1 2006-07-17 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/28238
4 * tree-inline.c (copy_bb): Check if we produced valid
5 gimple copying and substituting a stmt. If not, gimplify
8 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10 * optabs.c (maybe_encapsulate_block): New function extracted from...
11 (emit_libcall_block): ...here. Invoke it on the block of insns to
12 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
13 (emit_no_conflict_block): Likewise.
15 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
19 2006-07-15 Roger Sayle <roger@eyesopen.com>
21 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
22 a new NOP_EXPR case of the switch statement.
24 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
27 * stor-layout.c (place_field): Take the bit field with
28 an excessive size into account in the ms-bitfiled case.
31 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
32 the previous bit field.
34 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
37 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
39 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
41 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
42 signal frames correctly even when the signal was installed with
45 2006-07-14 Carlos O'Donell <carlos@codesourcery.com
47 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
48 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
49 (dbxout_source_line): Use local label LFBB.
50 (dbxout_block): Likewise.
51 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
52 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
53 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
56 2006-07-13 Janis Johnson <janis187@us.ibm.com>
58 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
60 2006-07-13 Jan Hubicka <jh@suse.cz>
62 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
64 * output.h (align_variable): Declare.
65 * varasm.c (align_variable): Export.
66 * value-prof.c (tree_value_profile_transformations): Recompute iterator
67 when basic block changed.
69 2006-07-13 Nick Clifton <nickc@redhat.com>
71 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
72 walking the LOG_LINKS chain.
74 2006-07-12 Geoffrey Keating <geoffk@apple.com>
76 * doc/invoke.texi (C++ Dialect Options): Explain difference
77 between -fvisibility-inlines-hidden and setting hidden
78 visibility explicitly.
80 2006-07-12 Eric Christopher <echristo@apple.com>
82 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
83 (stmp-lipo): Depend on libgcc.a.
85 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
87 * tree.c: Fix a comment typo.
89 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
91 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
93 (umulhisi3_r): Likewise.
95 2006-07-12 Paolo Carlini <pcarlini@suse.de>
98 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
99 x < 19, vs wchar_t support.
101 2006-07-12 Nick Clifton <nickc@redhat.com>
103 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
106 2006-07-12 Mike Stump <mrs@apple.com>
108 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
110 2006-07-10 Eric Christopher <echristo@apple.com>
112 * config/t-slibgcc-darwin: Rewrite.
114 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
117 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
120 2006-07-08 Matthias Klose <doko@debian.org>
122 * doc/sourcebuild.texi: Fix typo.
124 2006-07-07 Mike Stump <mrs@apple.com>
126 * toplev.c (process_options): Don't give -ffunction-sections may
127 affect debugging warning for Mach-O.
129 2006-07-07 James E Wilson <wilson@specifix.com>
131 * config/mips/mips.md (cpu): Add sb1a.
132 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
133 addition to sb1. Adjust comments to clarify SB-1A differences from
135 (ir_sb1a_load): New. Modify bypasses to use it.
136 (ir_sb1a_simple_alu): Likewise.
137 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
138 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
139 (mips_issue_rate): Add PROCESSOR_SB1A.
140 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
141 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
142 (TARGET_SB1): Add PROCESSOR_SB1A check.
143 (TUNE_SB1): Likewise.
145 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
146 * config/mips/mips.c (mips_store_data_bypass_p): New.
147 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
150 2006-07-08 Paul Brook <paul@codesourcery.com>
153 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
155 2006-07-07 Richard Guenther <rguenther@suse.de>
158 * tree.h (build_one_cst): Declare.
159 * tree.c (build_one_cst): New function.
160 * tree-ssa-math-opts.c (get_constant_one): Remove.
161 (insert_reciprocals): Use build_one_cst.
162 * fold-const.c (fold_plusminus_mult): Likewise.
164 2006-07-07 Roger Sayle <roger@eyesopen.com>
166 * pointer-set.c (pointer_set_destroy): Correct whitespace.
167 * cfgloopanal.c (dump_graph): Likewise.
168 * dojump.c (discard_pending_stack_adjust): Likewise.
169 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
171 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
172 * function.c (finalize_block_changes): Likewise.
173 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
174 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
175 * rtl.c (dump_rtx_statistics): Likewise.
176 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
178 * varray.c (dump_varray_statistics): Likewise.
179 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
180 decode_decimal64, encode_decimal128, decode_decimal128,
181 decimal_real_to_decimal): Likewise.
183 2006-07-07 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/28187
186 * tree-vrp.c (vrp_operand_equal_p): New function.
187 (vrp_bitmap_equal_p): Likewise.
188 (update_value_range): Use them to compare old and new
191 2006-07-06 Roger Sayle <roger@eyesopen.com>
193 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
194 a default case to switch statement to silence compiler warnings.
196 2006-07-06 Roger Sayle <roger@eyesopen.com>
199 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
200 the configured assembler supports the x87's ffreep mnemonic.
201 * configure: Regenerate.
202 * config.in: Regenerate.
204 * config/i386/i386.c (output_387_ffreep): New function.
205 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
206 (output_387_reg_move): Likewise.
208 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
210 Port to hosts whose 'sort' and 'tail' implementations
211 treat operands with leading '+' as file names, as POSIX
212 has required since 2001. However, make sure the code still
213 works on pre-POSIX hosts.
214 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
215 which says you should use "tail -c +N" rather than "tail +Nc".
216 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
218 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
220 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
223 2006-07-06 David Edelsohn <edelsohn@gnu.org>
226 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
227 PRE_{INC,DEC} of TFmode.
229 2006-07-06 David Edelsohn <edelsohn@gnu.org>
230 Alan Modra <amodra@bigpond.net.au>
233 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
236 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
239 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
240 Remove duplicate gtu.
242 2006-07-05 Jason Merrill <jason@redhat.com>
246 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
247 * c-common.c (handle_packed_attribute): So don't copy it here.
248 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
250 2006-07-05 Mike Stump <mrs@apple.com>
252 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
254 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
257 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
259 2006-07-05 Richard Guenther <rguenther@suse.de>
262 * config/i386/i386.md (*negdf2_1): Restrict pattern to
263 TARGET_SSE2 targets if using SSE math.
264 (*absdf2_1): Likewise.
266 2006-07-05 Richard Guenther <rguenther@suse.de>
268 PR tree-optimization/28162
269 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
270 make sure to convert the operands to the correct type.
272 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
274 PR tree-optimization/28218
276 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
277 to calculate and free the dominator information.
279 2006-07-04 Peter O'Gorman <peter@pogma.com>
281 * mklibgcc.in: chmod 644 before ranlib during install.
283 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
284 J"orn Rennecke <joern.rennecke@st.com>
286 * configure.ac (.eh_frame data check): Use diff -b.
288 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
291 * Makefile.in (BUILD_RTL): Add build/vec.o.
292 (build/gencondmd.o): Filter out -fkeep-inline-functions.
293 (build/genextract): Delete.
294 (build/genautomata): Likewise.
296 2006-07-04 Alan Modra <amodra@bigpond.net.au>
299 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
300 128-bit IBM long doubles for ABI_V4.
302 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
304 * tree.c (range_in_array_bounds_p): New predicate.
305 * tree.h (range_in_array_bounds_p): Declare it.
306 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
307 return a less conservative answer.
308 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
310 (IS_ELEMENT_FOR_GROUP): New macro.
311 (FOR_EACH_ACTUAL_CHILD): Likewise.
312 (next_child_for_group): New helper function.
313 (can_completely_scalarize_p): Take into account groups.
314 (sra_hash_tree): Handle RANGE_EXPR.
315 (sra_elt_eq): Likewise.
316 (lookup_element): Be prepared for handling groups.
317 (is_valid_const_index): Delete.
318 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
319 instead of is_valid_const_index.
320 <ARRAY_RANGE_REF>: New case.
321 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
322 is_valid_const_index.
323 <ARRAY_RANGE_REF>: Do not unconditionally punt.
324 (scan_dump): Dump info for groups too.
325 (decide_instantiation_1): Likewise.
326 (decide_block_copy): Assert that the element is not a group.
327 Propagate decision to groups.
328 (generate_one_element_ref): Handle RANGE_EXPR.
329 (mark_no_warning): Iterate over actual childs.
330 (generate_copy_inout): Likewise.
331 (generate_element_copy): Likewise.
332 (generate_element_zero): Likewise.
333 (generate_element_init_1): Likewise.
334 (dump_sra_elt_name): Handle RANGE_EXPR.
336 2006-07-03 Roger Sayle <roger@eyesopen.com>
338 PR tree-optimization/26251
339 * tree-ssa-threadupdate.c (redirection_block_p): New function.
340 (thread_block): When optimizing for size refuse to thread jumps
341 that would require duplication of blocks other than redirection
344 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
346 * configure.ac: Fix thinko in previous check-in.
347 * configure: Regenerate.
349 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
352 * configure.ac (for lang...): Simplify nesting of conditionals.
353 Test subdir_requires for non-enabled languages. Move processing
354 of lang_opt_files and lang_tree_fiels below that test.
355 * configure: Regenerate.
356 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
358 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
360 * doc/gcov.texi (Invoking Gcov): Add a missing word.
362 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
364 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
367 2006-06-29 Jason Merrill <jason@redhat.com>
374 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
375 * c-common.c (c_determine_visibility): Handle it here.
376 * c-decl.c (finish_decl): Call c_determine_visibility for
378 * flags.h (enum symbol_visibility): Sort from most to least visibility.
380 * varasm.c (default_assemble_visibility): Likewise.
381 * c-common.c (handle_visibility_attribute): Complain about trying
382 to give visibility to an already defined class, or trying to change
383 declared visibility. Always attach the attribute.
388 * attribs.c (decl_attributes): Ignore type-in-place attributes
389 once the type has been defined.
391 2006-06-29 Roger Sayle <roger@eyesopen.com>
394 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
395 to indicate the cpplib has issued an error message for us.
397 2006-06-29 Asher Langton <langton2@llnl.gov>
400 * config/i386/i386.c (ix86_output_function_epilogue): Don't
401 insert a label at the end of an function under Mach-O.
403 2006-06-29 Eric Christopher <echristo@apple.com>
404 Evan Cheng <evan.cheng@apple.com>
406 * predicates.md (vector_all_ones_operand): New.
407 (nonimmediate_or_sse_const_operand): Ditto.
408 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
409 * config/i386/i386.c (standard_sse_constant_opcode): Define.
410 (standard_sse_mode_p): Ditto.
411 (standard_sse_constant_p): Add case for -1 vector.
412 (ix86_expand_vector_move): Try to use.
413 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
414 Call standard_sse_constant_opcode.
415 (*movv4sf_internal): Ditto.
416 (*movv2df_internal): Ditto.
418 2006-06-29 Roger Sayle <roger@eyesopen.com>
420 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
421 of XEXP to extract the operands of a MATCH_CODE rtx.
423 2006-06-28 Andrew Pinski <pinskia@gmail.com>
425 * tree.c (tree_size): Do not waste tail padding in
426 struct tree_string and make the size be the same as
427 build_string will generate.
429 2006-06-28 Jason Merrill <jason@redhat.com>
432 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
433 may_aliases already in the tag's annotations to the bitmap.
435 2006-06-28 Roger Sayle <roger@eyesopen.com>
437 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
439 2006-06-28 Roger Sayle <roger@eyesopen.com>
441 * genpreds.c (generate_switch_p): New function.
442 (add_mode_tests): Push the new mode test down inside an AND expr
443 if this allows the switch-suitable MATCH_CODE to be near the root.
444 (write_match_code_switch): New function to write a MATCH_CODE as
446 (write_predicate_stmts): New function to write a predicate RTX
447 expression as a sequence of statements.
448 (write_one_predicate_function): Use write_predicate_stmts.
449 (write_tm_constrs_h): Likewise.
451 2006-06-26 Fred Fish <fnf@specifix.com>
453 * config/mips/t-sb1: New file.
454 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
457 2006-06-26 DJ Delorie <dj@redhat.com>
459 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
461 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
462 Jayant Sonar <jayants@kpitcummins.com>
463 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
465 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
466 (subsi3, subsi3_1, subsi3_2): New.
467 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
468 * config/m32c/mov.md (SI mov peephole): New.
469 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
470 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
472 2006-06-26 Olivier Hainque <hainque@adacore.com>
474 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
475 a CALL_EXPR target function declaration.
477 2006-06-26 Richard Guenther <rguenther@suse.de>
479 * tree.c (build_string): Do not waste tail padding in
482 2006-06-26 Richard Guenther <rguenther@suse.de>
484 * ggc-page.c (init_ggc): Add missing element to size_lookup
488 2006-06-23 Richard Guenther <rguenther@suse.de>
490 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
491 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
492 alignment requests instead. Add verification code.
493 Add struct tree_function_decl and struct tree_binfo size to
494 extra_order_size_table. Add missing element to size_lookup
497 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
500 * fold-const.c (const_binop): Be prepared for self returning zero.
501 Simplify code handling complex values.
503 2006-06-24 Olivier Hainque <hainque@adacore.com>
505 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
506 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
509 2006-06-24 Olivier Hainque <hainque@adacore.com>
511 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
512 ARRAY_REF, so have the callback called for the low bound expression.
514 2006-06-23 Janis Johnson <janis187@us.ibm.com>
516 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
517 * c-typeck.c (c_common_type): Disallow operations on decimal float
518 types and other float types.
519 * convert.c (convert_to_real): Don't ignore conversions involving
522 2006-06-23 Olivier Hainque <hainque@adacore.com>
524 * tree.c (max_int_size_in_bytes): New function, inspired from
525 code in function.c:assign_temp.
526 * tree.h (max_int_size_in_bytes): Declare.
527 * function.c (assign_temp): Use it.
528 * gimplify.c (create_tmp_var): Relax the assertions on the type
529 properties, not mandating constant size any more.
530 (force_constant_size): New static function.
531 (gimple_add_tmp_var): Use it, forcing variable size to a
532 constant upper bound if it is not constant on entry.
534 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
537 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
538 for initialization and setting of one_only flag to ...
539 (i386_pe_encode_section_info): ...here.
540 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
541 Recheck that the symbol has not been defined.
543 2006-06-23 Richard Guenther <rguenther@suse.de>
545 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
546 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
547 alignment requests instead. Add verification code.
548 Add struct tree_function_decl and struct tree_binfo size to
549 extra_order_size_table. Add missing element to size_lookup
552 2006-06-22 Roger Sayle <roger@eyesopen.com>
553 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
556 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
557 call to lang_hooks.types.type_for_mode returned NULL_TREE.
559 2006-06-23 Ben Elliston <bje@au.ibm.com>
561 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
562 negate dn -- manipulate it directly.
564 2006-06-22 Roger Sayle <roger@eyesopen.com>
565 Steven Bosscher <stevenb.gcc@gmail.com>
568 * reload1.c (gen_reload): Call mark_jump_label on the new insns
569 generated by gen_move_insn to add REG_LABEL notes if necessary.
571 2006-06-22 Bob Wilson <bob.wilson@acm.org>
573 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
574 (leaf_entry): Remove use of MIN_ESA.
576 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
578 PR rtl-optimization/28121
579 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
582 2006-06-21 DJ Delorie <dj@redhat.com>
584 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
586 (mulhisi3_r): Likewise.
588 2006-06-21 Richard Sandiford <richard@codesourcery.com>
591 * coverage.c (coverage_counter_alloc): Leave the index type
593 (coverage_counter_alloc): Use null arguments for operands 2 and 3
596 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
598 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
599 section from the "Options for Code Generation Conventions".
601 2006-06-21 Richard Henderson <rth@redhat.com>
605 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
607 (global_symbolic_operand): Allow weak symbols, even if local_p.
609 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
611 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
612 (find_interesting_uses_address): Punt if above function returns true.
614 2006-06-21 Richard Guenther <rguenther@suse.de>
616 * configure: Regenerated.
618 2006-06-21 Joseph Myers <joseph@codesourcery.com>
620 * config/mips/mips.c (function_arg): Where one part of a
621 complex argument is in registers and the other part in the stack,
622 return a REG not a PARALLEL.
624 2006-06-21 Mark Mitchell <mark@codesourcery.com>
626 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
627 when cross-compiling. Do not substitute libstdcxx_incdir.
628 * configure: Regenerated.
630 2006-06-21 Jakub Jelinek <jakub@redhat.com>
632 * varasm.c (mergeable_string_section): Check for embedded NULs and
633 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
634 rather than TREE_STRING_LENGTH bytes.
636 2006-06-21 Richard Guenther <rguenther@suse.de>
638 * ggc-page.c (extra_order_size_table): Add var_ann_d,
639 tree_ssa_name, bitmap_element and phi_node with 4 arguments
642 2006-06-21 Richrad Guenther <rguenther@suse.de>
644 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
645 Limit iteration over the dominators.
647 2006-06-20 Roger Sayle <roger@eyesopen.com>
649 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
650 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
652 2006-06-20 Richard Guenther <rguenther@suse.de>
653 Michael Matz <matz@suse.de>
655 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
657 * alloc-pool.c (free_alloc_pool_if_empty): New function.
658 * et-forest.h (et_free_pools): Prototype new function.
659 * et-forest.c (et_free_tree_force): Free parent occurrence.
660 (et_free_pools): New function.
661 * dominance.c (free_dominance_info): Free et-forest alloc
664 2006-06-20 Roger Sayle <roger@eyesopen.com>
666 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
667 integer modes, attempt to directly construct an integer constant.
669 * fold-const.c (native_encode_vector): Determine the size of each
670 element from the vector type instead of the first vector element.
672 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
673 if all of its elements/components are constant.
674 (build_constructor_from_list): Likewise.
676 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
678 PR tree-optimization/27331
679 * tree-data-ref.c (free_data_ref): New function.
680 (create_data_ref): Fail if the data reference has unknown access
682 (free_data_refs): Use free_data_ref.
684 2006-06-19 Andrew Pinski <pinskia@gmail.com>
687 * tree-inline.c (setup_one_parameter): Strip useless
688 type conversion before adding it to the IR.
689 (declare_return_variable): Likewise.
691 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
694 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
696 2006-06-19 Mike Stump <mrs@apple.com>
698 * tree.c (variably_modified_type_p): VM arguments don't make the
701 2006-06-19 Richard Guenther <rguenther@suse.de>
703 * tree-ssa-pre.c (try_combine_conversion): Strip useless
704 type conversions after folding.
706 2006-06-19 Richard Guenther <rguenther@suse.de>
708 * ggc-page.c (extra_order_size_tab): Add entries with
709 size of struct function and basic_block.
710 (size_lookup): Extend to cover sizes up to 511.
711 (ggc_alloc_stat): Adjust user.
712 (ggc_pch_count_object): Likewise.
713 (ggc_pch_alloc_object): Likewise.
714 (ggc_pch_write_object): Likewise.
716 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
718 * tree-ssa-loop-niter.c (implies_ge_p): New function.
719 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
722 2006-06-19 Denis Chertykov <denisc@overta.ru>
724 * config/avr/libgcc.S : Correct my wrong previous commit.
726 2006-06-19 Roger Sayle <roger@eyesopen.com>
729 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
730 have stripped a SUBREG from the shift count, so we may need to
731 convert_to_mode back to the type's mode before calling make_tree.
732 Use new_amount instead of amount to avoid expanding a tree twice.
734 2006-06-19 Richard Guenther <rguenther@suse.de>
737 * fold-const.c (operand_equal_p): Check if the argument types
738 have the same precision before stripping NOPs.
740 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
742 Fix PR tree-optimization/27341
743 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
745 * tree-complex.c (pass_lower_complex): Update SMT usage.
747 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
749 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
750 Add a new alternative to the constraint strings. Add move of
751 operand 1 to 3 to the splitter definition.
752 ("doloop_si_long"): Second contraint alternative removed.
754 2006-06-08 Anatoly Sokolov <aesok@post.ru>
756 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
757 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
759 (AVR_HAVE_MOVW) Define.
760 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
761 (ASM_SPEC): Add avr25.
762 (LINK_SPEC): Add avr25.
763 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
764 (base_arch_s): Add new member 'have_movw_lpmx'.
765 (avr_arch_types): Init 'have_movw_lpmx'.
766 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
767 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
768 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
769 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
770 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
772 (avr_file_start): Do not output '.arh' derective.
773 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
774 (__do_copy_data): Use __AVR_HAVE_LPMX__.
775 * config/avr/avr.md (mcu_enhanced): Delete.
776 (mcu_have_movw): Define.
777 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
778 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
779 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
780 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
781 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
782 attiny861 and at86rf401 devices.
784 2006-06-18 Jie Zhang <jie.zhang@analog.com>
786 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
789 2006-06-17 Karl Berry <karl@gnu.org>
791 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
792 doc/gccint.texi, doc/install.texi (@dircategory): Use
793 "Software development" instead of "Programming", following
794 the Free Software Directory.
796 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
798 * config/i386/i386.c (legitimate_tls_address)
799 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
800 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
801 (*tls_dynamic_gnu2_combine_64): Likewise.
803 2006-06-16 Richard Guenther <rguenther@suse.de>
806 * fold-const.c (negate_expr_p): Do not introduce undefined
807 overflow in negating INTEGER_CSTs.
808 (fold_negate_expr): Rename from negate_expr. Revert last
809 change for folding BIT_NOT_EXPR. Change semantics to
810 return NULL_TREE for non-simplified negations. Do not
811 strip type conversions and unify type handling.
812 (negate_expr): New function, wrap around fold_negate_expr
813 but ensure building a tree always. Strip type conversions
814 here, fold to result type.
815 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
817 2006-06-16 Roger Sayle <roger@eyesopen.com>
820 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
821 that (would) return their results in stack registers.
823 2006-06-16 Michael Matz <matz@suse.de>
824 Richard Guenther <rguenther@suse.de>
826 * fold-const.c (fold_truthop): Only return new tree node if
827 we canonicalized something.
829 2006-06-16 Richard Guenther <rguenther@suse.de>
831 * function.h (enum function_frequency): Move declaration
832 out of struct function.
833 (struct function): Move bool fields and the enum to the bitfield
834 section. Reorder elements to avoid padding. Remove unused
835 fields left over from the RTL inliner removal.
836 * function.c (free_after_compilation): Do not zero removed fields.
837 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
838 (ipa-type-escape.o): Likewise.
840 2006-06-16 Richard Guenther <rguenther@suse.de>
842 * cgraph.h (struct cgraph_local_info): Turn bool elements
844 (struct cgraph_node): Likewise.
845 (struct cgraph_varpool_node): Likewise.
847 2006-06-15 Richard Guenther <rguenther@suse.de>
849 * fold-const.c (fold_truth_not_expr): Rename from
850 invert_truthvalue. Give it fold_* semantics to avoid
852 (invert_truthvalue): New function. Wrapper around
854 (optimize_minmax_comparison): Avoid creating garbage.
855 (fold_unary): Use fold_truth_not_expr for folding
857 (fold_ternary): Replace uses of invert_truthvalue with
858 fold_truth_not_expr where applicable.
859 * tree.h (fold_truth_not_expr): Prototype.
861 2006-06-16 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/27781
864 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
865 * ipa-pure-const.c (target.h): Include.
866 (analyze_function): Do not analyze functions that do not
869 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
872 * tree-dfa.c (referenced_vars_dup_list): Remove.
873 (find_referenced_vars): Remove assert.
874 (referenced_var_check_and_insert): Replace dup list with assert.
875 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
876 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
878 2006-06-15 Richard Guenther <rguenther@suse.de>
880 * tree-ssa-structalias.c (alias_get_name): Avoid creating
881 extra unused identifiers if not dumping.
882 (create_variable_info_for): Likewise.
884 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
886 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
887 (derive_constant_upper_bound): Derive more precise upper bound in
888 common cases. Return type changed to double_int.
889 (record_estimate): Reflect the changed return type of
890 derive_constant_upper_bound.
891 * double-int.c (double_int_zext, double_int_sext): Fix.
893 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
895 * configure.ac (CFLAGS): Get them from the toplevel or from the
896 configure invocation.
897 * configure: Regenerate.
898 * Makefile.in (CFLAGS): Substitute value provided by configure.
900 2006-06-14 Mark Mitchell <mark@codesourcery.com>
903 * c-common.h (c_finish_omp_atomic): Adjust declaration.
904 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
905 rather than calling add_stmt on it.
906 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
908 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
911 * reload1.c (reload): Remove registers returned by update_eliminables
912 from used_spill_regs.
914 2006-06-13 DJ Delorie <dj@redhat.com>
916 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
918 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
920 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
921 html__strip_dir, html__mkdir_p. Enhance install-html target.
922 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
923 * configure: Regenerate.
925 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
927 * fold-const.c (fold_cond_expr_with_comparison): Check for
928 Objective-C++ as language in deciding COND_EXPR transformation.
930 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
933 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
934 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
935 * config/sh/lib1funcs.h (SL, SL1): Define.
936 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
937 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
938 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
939 (OBJS_Os_4_200): New variable.
940 ($(T)libgcc-Os-4-200.a): Use it.
941 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
942 when dividing 1 and/or by 0.
944 2006-06-13 Roger Sayle <roger@eyesopen.com>
946 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
947 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
948 * configure: Regenerate.
950 2006-06-13 Jie Zhang <jie.zhang@analog.com>
952 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
953 for real instruction.
955 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
958 * haifa-sched.c (check_cfg): Handle special case.
960 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
963 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
964 Add debug_info parameter. Chain the vars to the BLOCK instead
965 of the BIND_EXPR if debug info are requested for them.
966 (pop_gimplify_context): Adjust for above change.
967 (gimple_add_tmp_var): Likewise.
968 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
970 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
971 (convert_local_reference): Likewise.
972 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
973 (finalize_nesting_tree_1): Request that debug info be emitted
976 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
978 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
981 2006-06-13 Richard Guenther <rguenther@suse.de>
984 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
986 2006-06-13 Richard Guenther <rguenther@suse.de>
988 PR tree-optimization/27830
989 * tree-inline.c (copy_body_r): For copying the operand
990 of an ADDR_EXPR make sure to fold &* afterwards.
992 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
994 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
995 lvalues in the fb_none case with side-effects.
997 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
999 * tree-flow.h: Remove the prototype for
1000 compute_phi_arg_on_exit.
1001 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1002 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1005 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1007 * builtins.c (expand_builtin_return_addr): Only use
1008 frame_pointer_rtx when count == 0 and we are expanding
1009 __builtin_return_address.
1011 2006-06-12 Fred Fish <fnf@specifix.com>
1013 * config/mips/mips.c (mips_file_start): Create special section
1014 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1016 2006-06-11 Eric Christopher <echristo@apple.com>
1019 * stor-layout.c (place_field): Remove check for
1020 remaining_in_alignment when aligning at the end of a run.
1022 2006-06-11 Eric Christopher <echristo@apple.com>
1025 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1028 2006-06-11 Roger Sayle <roger@eyesopen.com>
1031 Revert incorrect fix for PR target/27158
1032 2006-05-08 Roger Sayle <roger@eyesopen.com>
1033 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1034 of a reg_equiv_constant if the result is a legitimate constant.
1036 2006-06-11 Roger Sayle <roger@eyesopen.com>
1039 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1040 extract a CONST_VECTOR element and interpret it as an integer.
1041 (vspltis_constant): Use const_vector_elt_as_int instead of the
1042 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1043 * config/rs6000/predicates.md (easy_vector_const): Consider
1044 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1046 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1049 * stor-layout.c (update_alignment_for_field): Don't add extra
1050 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1053 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1055 * config/mips/t-rtems: Add EL/EB multilib variants.
1057 2006-06-09 Mike Stump <mrs@apple.com>
1059 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1061 2006-06-09 David Daney <ddaney@avtrex.com>
1063 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1065 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1067 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1069 2006-06-09 Richard Guenther <rguenther@suse.de>
1071 PR tree-optimization/26998
1072 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1073 of signed types, only TYPE_MIN_VALUE is special, but for both,
1074 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1075 in this case, as is -fwrapv.
1077 2006-06-08 Mike Stump <mrs@apple.com>
1080 * config/darwin.c (darwin_asm_output_anchor): Disable
1081 -fsection-anchors on darwin for now.
1082 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1083 * rs6000/rs6000.c (optimization_options): Likewise.
1085 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1088 * config/i386/i386.c (classify_argument): Skip fields with invalid
1091 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1093 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1094 (cse_insn): Likewise for the stack_pointer_rtx.
1096 2006-06-08 Roger Sayle <roger@eyesopen.com>
1098 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1099 conditions from floating point comparisons.
1101 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1104 * expmed.c (struct alg_hash_entry): Fix type of field T
1105 to match synth_mult argument.
1106 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1108 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1111 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1114 2006-06-08 Richard Guenther <rguenther@suse.de>
1117 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1118 only, if overflow is defined and not trapping.
1119 (negate_expr): Likewise.
1121 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1123 PR tree-optimization/27872
1124 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1125 flag on the new exit edge of the unrolled loop.
1127 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1129 PR rtl-optimization/26449
1130 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1132 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1135 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1136 referenced_variables with matching DECL_UID's.
1137 (find_referenced_vars): Make sure duplicate list is empty to start.
1138 (referenced_var_p): Remove.
1139 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1140 Check if var is in the list, and add if needed. Update the duplicate
1141 list if a different var is in the list with the same DECL_UID.
1142 (add_referenced_var): Call routine to check and insert.
1143 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1144 * tree-flow.h (referenced_vars_dup_list): External declaration.
1146 2006-06-07 Fred Fish <fnf@specifix.com>
1148 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1151 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1154 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1155 the imaginary and real parts of a clobbered register.
1156 Emit insn to set the imaginary part.
1158 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1160 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1161 in lieu of unwind-dw2-fde.c.
1163 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1165 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1167 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1170 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1171 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1172 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1173 V4SImode temporaries and operations instead.
1175 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1177 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1180 2006-06-06 Mike Stump <mrs@apple.com>
1182 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1183 installing during build.
1185 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1187 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1189 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1190 * config/ia64/ia64.c (params.h): New header.
1191 (ia64_optimization_options): New function to adjust parameters.
1192 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1193 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1194 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1196 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1198 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1200 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1203 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1205 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1206 Victor Kaplansky <victork@il.ibm.com>
1208 PR tree-optimization/26360
1209 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1212 2006-06-04 Roger Sayle <roger@eyesopen.com>
1213 Andrew Pinski <pinskia@physics.uc.edu>
1216 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1217 for LABEL_DECL before calling DECL_WEAK.
1220 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1221 LABEL_DECL and PARM_DECL.
1223 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1227 * c-decl.c (grokdeclarator): Disallow variably modified types at
1228 file scope. Avoid marking shared array type of constant size as
1231 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1234 * c-common.c (fold_offsetof_1): Handle static members.
1236 2006-06-04 Eric Christopher <echristo@apple.com>
1238 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1239 (debug_rli): Output value for remaining_in_alignment.
1240 (update_alignment_for_field): Unconditionalize
1241 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1242 extra alignment code.
1243 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1244 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1245 * tree.h (record_layout_info_s): Remove prev_packed.
1246 * doc/extend.texi (ms_struct): Add documentation of format.
1248 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1250 * tree.h: Declare folding_initializer.
1251 * builtins.c (fold_builtin_constant_p): Give definite answer
1252 if folding inside an initializer.
1253 * fold-const.c: Define folding_initializer.
1254 (START_FOLD_INIT): Save and then set folding_initializer.
1255 (END_FOLD_INIT): Restore folding_initializer.
1257 2006-06-04 Richard Guenther <rguenther@suse.de>
1259 PR tree-optimization/27039
1260 * fold-const.c (fold_comparison): Handle pointer comparison
1261 again for all comparison codes. Compare offsets in signed
1263 (fold_binary): Move code from here.
1265 2006-06-03 Roger Sayle <roger@eyesopen.com>
1268 * config/i386/i386.c (construct_container): Split static issued_error
1269 flag into issued_sse_arg_error, issued_sse_ret_error and
1270 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1271 requires the use of x87 registers and the user explicitly
1272 specified the -mno-80387 command line option.
1274 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1276 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1277 HAVE_DECL_SIGALTSTACK.
1279 (segv_handler): Use MC_FLD.
1280 * configure.ac: Check for a sigaltstack declaration.
1281 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1282 * configure: Regenerate.
1283 * config.in: Regenerate.
1285 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1288 * Makefile.in (stmp-fixinc): Fix typo.
1290 2006-06-02 Roger Sayle <roger@eyesopen.com>
1292 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1293 are type correct. Clean-up.
1294 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1295 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1297 2006-06-01 DJ Delorie <dj@redhat.com>
1299 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1300 shift, as we've disabled the "switch" insn that needs it.
1302 2006-06-01 Per Bothner <bothner@bothner.com>
1304 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1305 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1306 * c-ppoutput.c (cb_define): Don't increment line 0.
1308 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1310 * doc/invoke.texi: Add cpu_type power6.
1311 * config.gcc: Add cpu_type power6.
1312 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1313 to power5+ with Altivec.
1314 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1315 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1317 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1319 * config/avr/avr.h (SET_ASM_OP): Define.
1321 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1323 * config/bfin/bfin.c: Fix comment typos.
1325 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1328 * doc/install.texi: Document --enable-bootstrap and
1329 --disable-bootstrap.
1331 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1333 * doc/install.texi: Document that InfoZIP can replace jar.
1335 2006-05-31 Roger Sayle <roger@eyesopen.com>
1337 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1338 isn't available, directly generate the simpler x87 patterns without
1339 the (use (const_int 0)).
1340 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1341 implementation isn't available.
1342 (*negdf2_1): Likewise.
1343 (*negxf2_1): XF mode negation is always done using the x87.
1344 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1346 2006-05-31 Roger Sayle <roger@eyesopen.com>
1348 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1349 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1351 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1353 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1355 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1356 * config/bfin/bfin.c (basic-block.h): Include.
1357 (struct machine_function): New.
1358 (bfin_init_machine_status): New.
1359 (override_options): Initialize init_machine_status.
1360 (bfin_hardware_loop): New.
1361 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1362 (DEF_VEC_P (loop_info)): New.
1363 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1364 (struct loop_info): New.
1365 (loop_info): New typedef.
1366 (struct loop_work): New.
1367 (loop_work): New typedef.
1368 (DEF_VEC_O (loop_work)): New.
1369 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1370 (bfin_dump_loops): New.
1371 (bfin_bb_in_loop): New.
1372 (bfin_scan_loop): New.
1373 (bfin_optimize_loop): New.
1374 (bfin_reorg_loops): New.
1375 (bfin_reorg): Use bfin_reorg_loops.
1376 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1378 (I_REGNO_P): Simplify.
1379 (DP_REGNO_P, DPREG_P): New macros.
1380 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1381 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1382 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1383 Add LT_REGS, LC_REGS, LB_REGS.
1384 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1386 (REGNO_REG_CLASS): Deal with loop registers.
1387 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1389 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1390 New constants for loop registers.
1391 (UNSPEC_LSETUP_END): New.
1392 (seq_insns): New define_attr. Set it for appropriate insns.
1393 (movsi_insn): Add alternatives for move from/to
1394 loop count registers.
1395 (doloop_end): New define_expand.
1396 (loop_end): New define_insn.
1397 (define_split for bad doloop_end): New.
1398 (lsetup_with_autoinit): New define_insn.
1399 (lsetup_without_autoinit): New define_insn.
1400 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1401 * config/bfin/predicates.md (lc_register_operand): New.
1402 (lt_register_operand): New.
1403 (lb_register_operand): New.
1404 (nondp_register_operand): New.
1405 (nondp_reg_or_memory_operand): New.
1406 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1408 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1410 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1411 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1413 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1415 * Makefile.in (CATALOGS): Add po/ prefix.
1416 * configure: Regenerated.
1418 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1421 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1422 a shift operand before calling shift_op. Avoid redundant call of
1425 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1426 DJ Delorie <dj@redhat.com>
1428 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1429 we're inserting is a singlt-bit constant.
1431 2006-05-30 Roger Sayle <roger@eyesopen.com>
1433 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1434 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1436 2006-05-30 Roger Sayle <roger@eyesopen.com>
1438 PR tree-optimization/23452
1439 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1440 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1441 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1442 complex values and with -ffast-math for FP complex values.
1444 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1446 * c-common.h: Remove the prototype for yyparse.
1447 * rtl.h: Remove the prototype for init_loop.
1449 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1451 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1454 2006-05-30 Roger Sayle <roger@eyesopen.com>
1456 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1458 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1459 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1461 2006-05-30 Dirk Mueller <dmueller@suse.de>
1464 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1465 for CONSTANT_CLASS_P expresisons.
1467 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1470 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1472 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1474 PR tree-optimization/27779
1475 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1476 initial_condition instead of CHREC_LEFT.
1478 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1480 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1481 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1482 Make prototypes ISO C90.
1484 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1485 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1487 * see.c (see_analyze_one_def): Correct check.
1488 (see_get_extension_data): Check if extension is parallel.
1489 (see_get_extension_reg): Likewise.
1491 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1494 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1495 into register for (code == GTU).
1497 2006-05-29 Roger Sayle <roger@eyesopen.com>
1499 PR tree-optimization/24964
1500 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1501 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1502 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1503 abs(x)*abs(x) as x*x for scalar floating point modes.
1505 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1508 * lambda-code.c (perfect_nestify): Don't copy statements
1509 in the inner loop: move them to the inner loop header.
1511 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1514 * c-tree.texi: Document OpenMP directives and clauses.
1516 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1518 * varasm.c (globalize_decl): Fix indentation.
1520 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1523 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1524 pass_fre, pass_store_ccp, pass_copy_prop,
1525 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1526 pass_return_slot, pass_object_size, pass_lim,
1527 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1528 pass_loop_prefetch and pass_stdarg.
1530 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1532 * config/bfin/bfin.opt (mfdpic): New option.
1533 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1534 (EXTRA_MULTILIB_PARTS): Likewise.
1535 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1536 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1538 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1539 (CRT_CALL_STATIC_FUNCTION): New.
1540 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1542 (CRT_CALL_STATIC_FUNCTION): New.
1543 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1545 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1546 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1547 (initialize_trampoline): Changed to handle FD-PIC code generation.
1548 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1549 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1550 (override_options): Disallow -mid-shared-library -mfdpic combination.
1551 Can't do unaligned ops if FD-PIC.
1552 Turn off flag_pic if trying to generate non-id-shared-library
1553 non-fdpic code, since it's not supported.
1554 (bfin_assemble_integer): New function.
1555 (TARGET_ASM_INTEGER): Define.
1556 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1558 * config/bfin/crtn.s: Restore them.
1559 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1561 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1562 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1563 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1564 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1565 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1567 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1568 FDPIC_REGS and FDPIC_FPTR_REGS.
1569 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1570 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1571 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1572 (load_funcdescsi): New pattern.
1573 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1574 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1575 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1577 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1579 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1582 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1584 * tree-flow.h: Remove the prototype for add_type_alias.
1585 * tree-ssa-alias.c (add_type_alias): Remove.
1587 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1589 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1590 config/fr30/fr30.md, config/i386/i386-interix.h,
1591 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1592 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1593 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1594 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1595 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1596 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1597 Follow spelling conventions.
1598 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1599 Follow spelling conventions.
1601 2006-05-27 Richard Guenther <rguenther@suse.de>
1604 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1605 to produce a constant of value 1 of generic type.
1607 2006-05-27 Dirk Mueller <dmueller@suse.de>
1609 * cgraphunit.c (decide_is_function_needed): Fix wrong
1612 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1614 PR rtl-optimization/27661
1615 * reload.c (find_reloads): When reloading a VOIDmode constant
1616 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1617 use Pmode as mode of the reload register.
1619 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1621 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1622 is enabled at -O and above.
1624 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1627 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1630 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1633 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1634 for anonymous variables explicitly declared by front ends.
1636 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1638 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1639 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1640 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1641 ref-all pointers, run a finalization pass for them.
1642 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1643 (finalize_ref_all_pointers): New function.
1644 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1645 regular pointer type to a ref-all pointer type.
1646 (get_tmt_for): Return the special memory tag for ref-all pointers.
1648 2006-05-25 Richard Guenther <rguenther@suse.de>
1651 * fold-const.c (fold_binary): Do not look at the stripped
1652 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1654 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1656 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1657 for LT and GT if the computed range is effectively empty.
1659 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1662 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1663 mips_quad_format formats instead of ieee_single_format,
1664 ieee_double_format and ieee_quad_format formats, respectively.
1666 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1668 PR tree-optimization/27639
1669 PR tree-optimization/26719
1670 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1671 call to scev_probably_wraps_p.
1672 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1673 used_in_pointer_arithmetic_p, convert_step): Removed.
1674 (nowrap_type_p): New function.
1675 (scev_probably_wraps_p): Rewritten.
1676 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1677 chrec_convert if chrec_convert_aggressive might have been used.
1678 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1679 scev_direction): New functions.
1680 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1681 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1682 instead of convert_step.
1683 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1684 (convert_step): Declaration removed.
1685 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1687 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1689 * df-core.c: Added to header comments.
1690 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1691 df_ur_bb_info, df_urec_bb_info): Added comments.
1692 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1693 urec, ri problems): Fixed header comments.
1694 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1695 code from df_rd_transfer_function.
1697 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1699 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1700 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1701 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1703 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1705 * expr.c (undefined_operand_subword_p): New.
1706 (emit_move_multi_word): Do not generate move from undefined bits
1707 of a paradoxical subreg.
1709 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1711 PR rtl-optimization/27736
1712 * combine.c (replaced_rhs_value): New variable.
1713 (combine_instructions): Set it.
1714 (distribute_notes): When distributing a note in replaced_rhs_insn,
1715 check whether the value was used in replaced_rhs_value.
1717 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1720 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1721 add_referenced_var instead of add_referenced_tmp_var.
1722 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1723 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1725 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1726 tree_optimize_tail_calls_1): Use add_referenced_var.
1727 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1728 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1729 Use add_referenced_var.
1730 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1731 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1732 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1733 Use add_referenced_var.
1734 * tree-dfa.c (struct walk_state): Remove.
1735 (find_referenced_vars): Remove walk state and vars_found hash table.
1736 (make_rename_temp): Use add_referenced_var.
1737 (find_vars_r): Pass less parameters to add_referenced_var.
1738 (referenced_var_p): New. Is var in referenced_var hash table.
1739 (referenced_var_insert): Assert var isn't already in hash table.
1740 (add_referenced_var): Don't need walk_state parameter. Add var if it
1741 isn't already in the hash table.
1742 (add_referenced_tmp_var): Remove.
1743 (find_new_referenced_vars_1): Use add_referenced_var.
1744 * tree-ssa-pre.c (create_expression_by_pieces,
1745 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1746 Use add_referenced_var.
1747 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1748 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1749 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1751 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1752 vect_create_data_ref_ptr, vect_create_destination_var,
1753 vect_init_vector, vect_build_loop_niters,
1754 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1755 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1756 Use add_referenced_var.
1757 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1758 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1759 (add_referenced_var): Add prototype.
1760 * tree-ssa-structalias.c (get_constraint_for,
1761 intra_create_variable_infos): Use add_referenced_var.
1763 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1765 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1766 big-endian paradoxical subregs.
1767 * var-tracking.c (struct micro_operation_def): Document that,
1768 for modify micro operations, insn is the subsequent instruction.
1769 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1770 (var_reg_set, var_mem_set): ... new functions.
1771 (add_stores): Record subsequent insn.
1772 (compute_bb_dataflow): Use new functions for MO_USE.
1773 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1774 notes after the insn, and modify notes before the insn known
1775 to be the subsequent one.
1776 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1778 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1781 * config/i386/i386.c (ix86_expand_builtin): Use
1782 gen_sse3_monitor64 for TARGET_64BIT.
1784 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1786 PR rtl-optimization/26375
1787 PR rtl-optimization/26855
1788 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1790 (df_ru_bb_local_compute): Reversed statements and removed bogus
1791 comment explaining why they should be in wrong order.
1792 (df_ru_dump, df_rd_dump): Enhanced debug info.
1793 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1795 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1796 reaching uses and fixed space problem.
1798 2006-05-23 Jan Hubicka <jh@suse.cz>
1800 * cgraphunit.c (decide_is_function_needed): Also nested functions
1801 and functions declared inline can be optimized out at -O0.
1803 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1805 * doc/install.texi (Configuration): Remove reference to CrossGCC
1809 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1812 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1813 ix86_compare_emitted is non-NULL.
1815 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1818 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1821 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1823 PR rtl-optimization/25514
1824 * combine.c (replaced_rhs_insn): New variable.
1825 (combine_instructions): Set replaced_rhs_insn when trying to replace
1826 a SET_SRC with a REG_EQUAL note.
1827 (distribute_notes): Use replaced_rhs_insn when determining the live
1828 range of a REG_DEAD register.
1830 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1831 Anatoly Sokolov <aesok@post.ru>
1833 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1834 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1835 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1836 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1837 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1838 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1839 at90usb647, at90usb1286 and at90usb1287 devices.
1840 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1841 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1843 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1845 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1847 2006-05-22 Richard Guenther <rguenther@suse.de>
1850 2006-01-31 Richard Guenther <rguenther@suse.de>
1851 Paolo Bonzini <bonzini@gnu.org>
1853 * doc/install.texi (--disable-libgcc-math): Document.
1855 2006-05-22 Richard Guenther <rguenther@suse.de>
1858 2006-01-31 Richard Guenther <rguenther@suse.de>
1860 * doc/invoke.texi (-msselibm): Document.
1861 * target.h (expand_library_builtin): New target hook.
1862 * builtins.c (expand_builtin): Use expand_library_builtin.
1863 (default_expand_library_builtin): New function.
1864 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1865 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1866 (link_gcc_math_spec): Declare.
1867 (static_specs): Add link_gcc_math_spec.
1868 * expr.h (default_expand_library_builtin): Declare.
1869 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1870 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1871 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1872 * config/i386/i386.opt (msselibm): New target option.
1873 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1874 (ix86_init_sse_abi_builtins): New function.
1875 (ix86_expand_library_builtin): Likewise.
1876 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1877 (override_options): Handle error conditions wrt -msselibm.
1878 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1879 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1880 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1883 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1886 * c-common.c (self_promoting_args_p): Skip erroneous args.
1889 * c-decl.c (finish_struct): Skip erroneous fields.
1891 2006-05-22 Nick Clifton <nickc@redhat.com>
1893 * config/cris/cris.opt (march): Remove VarExists attribute.
1894 (max-stackframe=): Likewise.
1896 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1898 * doc/rtl.texi: Fix a typo.
1899 * see.c: Fix comment typos.
1901 * tree-ssa-structalias.h (alias_info): Remove num_references.
1903 2006-05-21 Mike Stump <mrs@apple.com>
1905 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1907 (darwin_pragma_options): Use BAD instead.
1908 (darwin_pragma_unused): Likewise.
1909 (darwin_pragma_ms_struct): Likewise.
1911 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1913 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1915 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1917 PR rtl-optimization/27671
1918 * simplify-rtx.c (simplify_relational_operation_1): Fix
1919 simplifications of (eq/ne (xor x y) y) and
1920 (eq/ne (xor x y) x).
1922 PR tree-optimization/26622.
1923 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1926 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1928 * tree-cfg.c: Prune whitespace.
1929 (debug_tree_cfg): Point to correct header containing the
1932 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1935 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1937 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1940 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1941 or sorry count is non zero.
1943 2006-05-20 Andreas Schwab <schwab@suse.de>
1945 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1947 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1948 Kenneth Zadeck <zadeck@naturalbridge.com>
1950 PR rtl-optimization/26855
1952 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1954 (df_scan_alloc): Added code to properly handle multiword hard
1955 registers and add all_blocks parameter.
1956 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1957 code to properly handle multiword hard registers.
1958 (df_rescan_blocks): Added code to remove deleted blocks from
1960 (df_ref_create_structure, df_ref_record): Added code to properly
1962 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1963 and set DF_REF_PARTIAL.
1964 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1965 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1966 (df_scan_add_problem): Added flags parameter.
1967 (df_ref_create_structure): Changed switching structure.
1968 (df_bb_refs_record): Fixed case where duplicate artificial refs
1969 were created. Changed location of flags.
1970 (df_record_entry_block_defs): Added code to make stack pointer
1971 live in entry block. Refined cases where frame pointer is needed.
1972 Changed location of flags.
1973 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1974 (df_set_state): Removed function.
1975 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1976 df_insn_create_insn_record, df_insn_refs_delete,
1977 df_ref_create_structure): Formatting changes.
1978 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1979 df_delete_basic_block): New function.
1980 (df_init): Changed location of flags.
1981 (df_add_problem): Added flags parameter and the way flags are
1983 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1984 debug_df_chain): Improved debugging output.
1985 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1986 (df_refs_chain_dump): Removed df parameter.
1987 (df_iterative_dataflow): Added consistency check.
1988 (df_prune_to_subcfg): Made public.
1989 (df_analyze_problem): Added blocks_to_init parameter and made
1991 (df_ref_record, df_bb_refs_record, df_mark_reg,
1992 df_record_exit_block_uses): Whitespace changes.
1993 (df_dump): Whitespace changes.
1994 * df.h: Some reordering to remove forward references.
1995 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1996 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1997 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1998 (dataflow.flags): New field.
1999 (df.flag): Deleted field.
2000 (df_alloc_function): Added additional bitmap parameter.
2001 (df_dependent_problem_function): New type.
2002 (df_problem.changeable_flags): New field.
2003 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2004 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2005 (df_mw_hardreg): New struct.
2006 (DF_INSN_UID_MWS): New macro.
2007 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2009 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2010 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2011 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2012 (df_set_state): Removed function.
2013 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2014 * df-problems.c (df_chain_dump): Removed df parameter.
2015 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2016 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2018 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2019 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2020 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2021 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2022 DF_REF_MUST_CLOBBER cases.
2023 (df_ru_bb_local_compute_process_def,
2024 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2025 df_lr_bb_local_compute, df_ur_bb_local_compute,
2026 df_chain_create_bb): Made subreg aware.
2027 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2028 df_lr_bb_local_compute, df_lr_bb_local_compute,
2029 df_chain_create_bb): Cleanup to use proper macros.
2030 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2031 code to fixup bitvectors.
2032 (df_ri_alloc): Cleared lifetime.
2033 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2034 df_create_unused_note): New function.
2035 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2036 REG_DEAD and REG_UNUSED notes as well as register information.
2037 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2038 df_chains_dump): Fixed crash if problem was never run.
2039 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2040 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2041 df_ri_add_problem): Processes flags in uniform manner.
2042 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2043 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2044 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2045 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2046 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2047 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2048 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2049 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2050 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2051 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2052 * see.c (see_initialize_data): Ditto.
2053 * final.c (rest_of_clean_state) Added regstack_completed.
2054 * rtl.h (regstack_completed): Ditto.
2055 * reg-stack.c (regstack_completed): Ditto.
2057 2006-05-19 Mike Stump <mrs@apple.com>
2059 * c-tree.h (default_conversion): Remove.
2060 * c-common.h (default_conversion): Add.
2062 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2064 * tree-vrp.c (valid_value_p): New function.
2065 (adjust_range_with_scev): Fail if the value of bound is not
2068 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2070 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2071 (mips_fallback_frame_state): Use syscall numbers to determine
2072 the appropriate li instruction for the current ABI. Only use
2073 __NR_sigreturn for o32.
2075 2006-05-19 Nicolas Setton <setton@adacore.com>
2077 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2078 * langhooks.c (lhd_dwarf_name): New function.
2079 * langhooks-def.h (lhd_dwarf_name): Declare.
2080 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2081 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2082 * ada/misc.c (gnat_dwarf_name): New function.
2083 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2085 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2087 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2089 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2090 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2091 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2092 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2093 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2094 determine the size of Wtype, etc.
2095 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2096 (swfloatfuncs): New variable.
2097 (dwfloatfuncs): Likewise.
2098 (lib2funcs): Remove floating-point conversion functions from
2099 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2100 the set of conversion routines needed. Allow entries to specify
2101 an object name, filename and word size. Update users accordingly.
2102 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2103 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2107 2006-02-08 Roger Sayle <roger@eyesopen.com>
2110 * config/fixtfdi.c: New libgcc source file.
2111 * config/fixunstfdi.c: New source file.
2112 * config/floatditf.c: New source file.
2113 * config/floatunditf.c: New souce file.
2114 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2115 files above instead of config/mips/_tilib.c.
2116 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2118 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2120 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2121 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2123 2006-05-18 Mike Stump <mrs@apple.com>
2125 Fix up vla, vm and [*] sematics.
2131 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2132 (c_vla_unspec_p): Add.
2133 (c_vla_type_p): Add.
2134 * c-decl.c (struct c_scope): Add had_vla_unspec.
2135 (build_array_declarator): Add support for [*].
2136 (grokdeclarator): Likewise.
2137 (grokparms): Likewise.
2138 (get_parm_info): Likewise.
2139 * c-objc-common.c (c_vla_unspec_p): Likewise.
2140 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2141 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2142 typeof when argument is a variably modified type not inside sizeof or alignof.
2143 (c_parser_direct_declarator_inner): Propagate errors.
2144 (c_parser_sizeof_expression): Add support for [*].
2145 (c_parser_parms_declarator): Initialize had_vla_unspec.
2146 (c_parser_parms_list_declarator): Likewise.
2147 * c-typeck.c (c_vla_type_p): Add.
2148 (composite_type): Add support for vla compositing.
2149 (comptypes_internal): Add support for vla compatibility.
2150 (c_expr_sizeof_expr): Evaluate vla arguments.
2151 * tree.c (variably_modified_type_p): Update comment for [*].
2153 2006-05-18 Michael Matz <matz@suse.de>
2156 * config.host: Make assignments to host_xmake_file cumulative.
2157 * config.host (*-darwin*): Test $host, not $target.
2159 2006-05-12 Stuart Hastings <stuart@apple.com>
2161 * config/i386/i386.opt (-mstackrealign): New flag.
2162 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2163 (ix86_handle_cconv_attribute): Emit error when
2164 force_align_arg_pointer attribute collides with too many regparms.
2165 (ix86_function_regparm): Limit regparms when used with
2166 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2167 Support stack-realigning prologue in non-main functions. Emit
2168 warning for nested functions under -mstackrealign, emit error for
2169 nested functions with force_align_arg_pointer attribute.
2170 * doc/extend.texi (force_align_arg_pointer): Document it.
2171 * doc/invoke.texi (-mstackrealign): Document it.
2173 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2175 PR rtl-optimization/27477
2176 * combine.c (try_combine): Don't split a parallel consisting
2177 of two sets into two individual sets if both sets reference
2180 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2182 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2183 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2185 * doc/options.texi (VarExists): Updated.
2187 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2189 * unwind-dw2.c: Add declarations for uw_update_context and
2191 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2192 detected, advance frame state and context once to skip over stub.
2194 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2198 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2199 Call rewrite_into_loop_closed_ssa only when something changed.
2200 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2201 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2202 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2203 Test for perfect_nest_p here. Fix formating.
2204 (replace_uses_equiv_to_x_with_y): Fix formating.
2205 (stmt_uses_op): Removed.
2206 (can_convert_to_perfect_nest): Removed loopivs parameter.
2207 Complete the test by checking the scalar dependences.
2208 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2211 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2214 From Dan Kegel <dank@kegel.com>:
2215 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2217 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2219 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2220 if the element type is variably modified without recursing.
2222 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2225 * tree-loop-linear.c (try_interchange_loops): Test for
2226 no data dependences.
2228 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2230 PR tree-optimization/27548
2231 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2232 range of ssa names that appear on abnormal edges.
2233 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2234 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2236 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2239 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2241 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2244 * tree.h (OMP_PARALLEL_COMBINED): Define.
2245 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2246 (new_omp_context): Add is_combined_parallel argument.
2247 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2248 new_omp_context caller.
2249 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2250 Adjust gimplify_scan_omp_clauses callers.
2251 (omp_is_private): Issue errors if iteration variable is firstprivate
2252 or reduction in the current context.
2253 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2254 on combined parallel workshare constructs.
2256 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2258 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2259 (gcc-options.o): New rule.
2261 * optc-gen.awk: Protect variables for gcc-options.o with
2262 #ifdef GCC_DRIVER/#endif.
2264 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2266 Fix PR tree-optimization/27373
2267 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2268 (forward_propagate_addr_expr): Update call.
2270 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2272 * doc/options.texi: Move the Negative option.
2274 2006-05-16 Richard Guenther <rguenther@suse.de>
2276 PR tree-optimization/22303
2277 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2279 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2280 ccp_fold did not simplify the statement.
2282 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2285 * Makefile.in (GCC_OBJS): New.
2286 (OBJS-common): Add opts-common.o.
2287 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2288 (cpp$(exeext)): Likewise.
2289 (gcc.o): Also depend on opts.h.
2290 (opts-common.o): New.
2292 * common.opt (gcoff): Add Negative(gdwarf-2).
2293 (gdwarf-2): Add Negative(gstabs).
2294 (gstabs): Add Negative(gstabs+).
2295 (gstabs+): Add Negative(gvms).
2296 (gvms): Add Negative(gxcoff).
2297 (gxcoff): Add Negative(gxcoff+).
2298 (gxcoff+): Add Negative(gcoff).
2299 * config/i386/i386.opt (m32): Add Negative(m64).
2300 (m64): Add Negative(m32).
2302 * doc/options.texi: Document the Negative option.
2304 * gcc.c: Include "opts.h".
2305 (main): Call prune_options after expandargv.
2307 * optc-gen.awk: Generate common declarations for all flag
2308 variables in options.c. Output the neg_index field.
2310 * opts.c (find_opt): Moved to ...
2311 * opts-common.c: Here. New file.
2313 * opts.h (cl_option): Add a neg_index field.
2315 (prune_options): Likewise.
2317 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2320 * omp-low.c (expand_omp_parallel): Don't assert
2321 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2322 instead search for it.
2325 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2328 2006-05-16 Andreas Schwab <schwab@suse.de>
2330 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2333 2006-05-15 Roger Sayle <roger@eyesopen.com>
2336 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2337 integer constants other than zero are only legitimate on TARGET_64BIT.
2338 <CONST_VECTOR> Only zero vectors are legitimate.
2339 (ix86_cannot_force_const_mem): Integral and vector constants can
2340 always be put in the constant pool.
2342 2006-05-16 DJ Delorie <dj@redhat.com>
2344 * crtstuff.c (__dso_handle): Set section from
2345 TARGET_LBIGCC_SDATA_SECTION if defined.
2346 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2347 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2349 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2352 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2355 2006-05-16 Ben Elliston <bje@au.ibm.com>
2357 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2359 2006-05-15 Per Bothner <per@bothner.com>
2361 * tree.c: (last_annotated_node): Use source_locus typedef.
2362 This permits bootstrapping with --enable-mapped-location.
2364 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2366 PR tree-optimization/26830
2367 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2368 (info_for_ssa_name, current_info_for_ssa_name_age,
2369 blocks_to_update): New variables.
2370 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2371 (clear_ssa_name_info, initialize_flags_in_bb,
2372 mark_block_for_update): New functions.
2373 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2374 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2375 prepare_def_site_for): Use mark_block_for_update.
2376 (mark_def_interesting): Assert that the processed block is marked in
2377 blocks_to_update. Do not take blocks argument.
2378 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2380 (rewrite_update_init_block, rewrite_update_stmt): Only process
2381 blocks with statements to rewrite.
2382 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2383 (update_ssa): Initialize and free blocks_to_update. Do not
2384 clear flags on statements. Do not use blocks bitmap.
2385 * tree.h (SSA_NAME_AUX): Removed.
2386 (struct tree_ssa_name): Removed aux field.
2387 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2389 2006-05-15 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/27603
2392 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2393 Do computations in original type.
2395 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2397 * see.c: Code style changes such as redundant paranthesis,
2398 redundant intialization of local variables etc.
2399 (see_main): Declared now as static.
2400 * doc/invoke.texi: Update that -fsee is not enabled by
2403 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2405 * omp-low.c (check_omp_nesting_restrictions): New function.
2406 (scan_omp_1): Call it.
2409 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2410 construct, return *VAR.
2412 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2414 PR rtl-optimization/27406
2415 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2418 2006-05-14 Roger Sayle <roger@eyesopen.com>
2420 PR rtl-optimization/27538
2421 * combine.c (expand_compound_operation): Call gen_lowpart
2422 before calling simplify_shift_const.
2424 2006-05-14 Roger Sayle <roger@eyesopen.com>
2426 PR rtl-optimization/22563
2427 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2428 a fixed width bitfield, always force the intermediates into psuedos.
2430 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2433 * mkconfig.sh: Use operator = instead of == for test.
2435 2006-05-13 Nick Clifton <nickc@redhat.com>
2437 * dwarf2out.c (dbx_reg_number): Check return value from
2438 LEAF_REG_REMAP and only use it if it is valid.
2439 (multiple_reg_loc_descriptor): Likewise.
2441 2006-05-13 Richard Guenther <rguenther@suse.de>
2443 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2446 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2448 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2449 information attached to non-INSNs such as NOTEs.
2450 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2452 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2454 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2456 * config/s390/s390.md: Adjust comment describing On constraint.
2458 2006-05-11 Jan Hubicka <jh@suse.cz>
2460 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2461 to be output at -O0.
2463 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2466 * fold-const.c (size_binop): Move sanity check for arguments to
2467 the beginning of the function.
2470 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2473 2006-05-11 Richard Guenther <rguenther@suse.de>
2476 * fold-const.c (fold_unary): Handle intermediate conversion
2477 to a pointer type like intermediate conversion to an integer
2478 type in folding of (T1)(T2)var to var.
2479 Match the code to the comment in the final conversion for
2480 (T1)(T2)var to (T1)var regarding to type precision. Rather
2481 than disallow T1 being of pointer type, assert that both T1
2482 and var are of pointer type or not. Make sure not to fall
2483 over the frontends lazyness wrt array to pointer decay though.
2485 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2487 * arm.c (arm_struct_value_rtx): Delete.
2488 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2489 (arm_init_cumulative_args): Always initialize nregs to zero.
2491 2006-05-10 Richard Guenther <rguenther@suse.de>
2493 PR tree-optimization/27532
2494 * tree-object-size.c (plus_expr_object_size): Fix typo.
2496 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2499 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2500 ashrdi_const, ashrdi3): Use a scratch register.
2502 2006-05-10 Richard Guenther <rguenther@suse.de>
2504 PR tree-optimization/27302
2505 * fold-const.c (operand_equal_p): For two comparisons,
2506 try comparison of one comparison code swapped if that yields
2509 2006-05-10 Ben Elliston <bje@au.ibm.com>
2511 * tree-pretty-print.c (pretty_print_string): No need to handle
2512 '\0' as a special character.
2514 * tree.h: Include "hashtab.h".
2515 (iterative_hash_expr): Use hashval_t in its prototype.
2516 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2518 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2521 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2522 (hppa*64*-*-hpux11*): Ditto.
2523 (hppa[12]*-*-hpux11*): Ditto.
2525 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2528 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2530 2006-05-09 Michael Matz <matz@suse.de>
2532 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2533 host_extra_gcc_objs and host_xmake_file.
2534 (<*-*-linux*>): Don't overwrite host_xmake_file.
2535 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2536 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2537 (host_detect_local_cpu): Declare.
2538 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2539 * config/i386/i386.c (override_options): Handle -mtune=native
2541 * config/i386/x-i386: New file.
2542 * config/i386/driver-i386.c: New file.
2543 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2546 2006-05-09 Dirk Mueller <dmueller@suse.de>
2547 Richard Guenther <rguenther@suse.de>
2550 * fold-const.c (fold_read_from_constant_string): Relax check
2551 for matching types to matching modes.
2553 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2555 PR rtl-optimization/27335
2556 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2559 2006-05-08 Chao-ying Fu <fu@mips.com>
2560 Richard Sandiford <richard@codesourcery.com>
2562 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2563 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2564 * config/mips/mips.md (UNSPEC_SCC): New constant.
2565 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2566 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2567 (mips_emit_compare): Use it.
2568 (mips_expand_vcondv2sf): New function.
2570 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2572 Fix PR tree-optimization/27093
2573 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2574 renaming when they become not-used_alone.
2576 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2578 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2579 relocation and relocation stubs.
2581 2006-05-08 Eric Christopher <echristo@apple.com>
2583 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2586 2006-05-08 Jan Hubicka <jh@suse.cz>
2589 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2590 unused static functions are needed.
2592 2006-05-08 Roger Sayle <roger@eyesopen.com>
2595 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2596 of a reg_equiv_constant if the result is a legitimate constant.
2598 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2601 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2602 standard 80387 constants, raise the cost to prevent
2603 compress_float_constant() to generate load from memory.
2605 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2607 * config/arm/constraints.md (c): Fix a typo.
2609 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2612 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2615 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2617 (_mm_mwait): Likewise.
2619 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2621 (sse3_monitor): Make it 32bit only.
2622 (sse3_monitor64): New. 64bit monitor.
2624 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2627 * config/i386/i386.c (classify_argument): Skip fields with invalid
2630 2006-05-07 Richard Guenther <rguenther@suse.de>
2632 PR tree-optimization/27409
2633 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2634 Do not try to find zero-sized subvars.
2636 2006-05-07 Richard Guenther <rguenther@suse.de>
2638 PR tree-optimization/27136
2639 * tree-ssa-loop-niter.c (get_val_for): Correct function
2640 comment, assert requirements.
2641 (loop_niter_by_eval): Stop processing if the iterated
2642 value did not simplify.
2644 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2646 * opts.c (flag_see): remove its setting at -O3.
2648 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2650 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2651 * arm/constraints.md: New file.
2652 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2653 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2654 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2655 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2656 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2657 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2658 * arm.md: Include constraints.md.
2659 (thumb_movsi_insn): Use satisfies_constraint_J.
2660 (movhi, movqi): Use satisfies_constraint_I.
2662 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2664 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2665 for atmeg a645 device.
2667 2006-05-06 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/27151
2670 * tree-vect-transform.c (vectorizable_condition): Punt on
2671 values that have a different type than the condition.
2673 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2676 * c-parser.c (c_parser_cast_expression): Only insert casts into
2677 hash table if pointer.
2678 * function.c (used_types_insert_helper): Rename from
2680 (used_types_insert): Call used_types_insert_helper.
2681 * function.h (used_types_insert): Accept only one argument.
2683 2006-05-05 David Edelsohn <edesohn@gnu.org>
2685 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2686 scratch with output modifier.
2688 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2691 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2692 with output modifier.
2694 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2697 * config/mips/mips.c (mips_symbolic_address_p): Return true
2698 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2699 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2701 2006-05-04 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/14287
2704 PR tree-optimization/14844
2705 PR tree-optimization/19792
2706 PR tree-optimization/21608
2707 PR tree-optimization/27090
2708 * tree-ssa-pre.c (try_combine_conversion): New function.
2709 (compute_avail): After constructing the value-handle
2710 expression, use try_combine_conversion to combine NOP_EXPRs
2711 with previous value-handle expressions and use the result if it
2714 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2716 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2718 2006-05-04 Jan Hubicka <jh@suse.cz>
2721 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2723 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2725 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2726 that this only matches CONST_INTs. All users changed to VOIDmode
2729 * config/bfin/bfin.c: Include "optabs.h".
2730 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2732 (enum bfin_builtins): Add a number of fractional and vector builtins.
2733 (bfin_init_builtins): Likewise.
2734 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2735 (safe_vector_operand, bfin_expand_binop_builtin,
2736 bfin_expand_unop_builtin): New functions.
2737 (bfin_expand_builtin): Handle the new builtins.
2738 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2741 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2744 * Makefile.in (OBJS-common): Add see.o.
2745 (see.o): Add dependencies.
2746 * common.opt (fsee): New flag for the see optimization was added.
2747 * opts.c (flag_see): Initialized.
2748 * passes.c (init_optimization_passes, pass_see): New pass.
2749 * rtl.h (see_main): Declaration as extern.
2750 * timevar.def (TV_SEE): New.
2751 * tree-pass.h (pass_see): Declaration as extern.
2752 * invoke.texi (-fsee): Document.
2753 * recog.c (validate_simplify_insn): New function.
2754 * recog.h (validate_simplify_insn): Declaration as extern.
2755 * df-problems.c (df_chain_dump): Check for NULL.
2757 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2758 Daniel Berlin <dberlin@dberlin.org>
2760 * cfgrtl.c (insert_insn_bb_end_new): New function.
2761 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2763 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2765 * df.h (struct web_entry): Moved from web.c.
2766 (union_defs): Declaration as extern.
2767 (unionfind_root): Likewise.
2768 (unionfind_union): Likewise.
2769 * web.c (struct web_entry): Moved to df.h.
2770 (unionfind_root): Remove static declaration.
2771 (unionfind_union): Likewise.
2772 (union_defs): Likewise and generalize to use callback function.
2773 (web_main): Update arguments for union_defs function call.
2775 2006-05-04 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/26447
2778 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2779 produce SSA_NAME copies before the store stmt to avoid
2780 breaking exception handling.
2782 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2785 * gimplify.c (omp_is_private): If var is shared in some outer context,
2786 return false instead of true. Stop searching on parallel context
2789 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2792 * coverage.c: Use get_gcov_unsigned_t() instead of
2793 unsigned_type_node all over.
2795 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2797 PR tree-optimization/27381
2798 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2799 maintain the same immediate_use links.
2800 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2801 node rather than segfaulting.
2803 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2806 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2807 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2808 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2810 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2812 Fix PR tree-optimization/26626
2813 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2815 * tree-ssa-operands.c (access_can_touch_variable): Allow
2816 typecasting through union pointers.
2818 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2821 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2822 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2823 to find if var will be a global variable even in the nested context.
2824 (omp_copy_decl): Only check for global variable at the end, it might
2825 be overridden in outer contexts.
2826 (scan_sharing_clauses): For global variables don't create a field.
2827 (lower_rec_input_clauses): Do nothing for global shared variables.
2828 Emit a barrier at the end of ILIST if there were any decls in both
2829 firstprivate and lastprivate clauses.
2830 (lower_send_clauses): Do nothing for global variables except for
2833 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2835 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2836 of the correct signedness is returned.
2838 2006-05-02 Jeff Law <law@redhat.com>
2840 PR tree-optimization/27364
2841 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2842 multiply expressions.
2844 2006-05-02 Tom Tromey <tromey@redhat.com>
2846 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2848 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2851 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2852 -mthumb -fPIC are used.
2854 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2855 Joshua Kinard <kumba@gentoo.org>
2858 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2859 with 64-bit pointers.
2861 2006-05-02 Paul Brook <paul@codesourcery.com>
2863 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2865 (create_fix_barrier): Check that a suitable barrier location is
2867 (arm_reorg): Include ftmp->address in allowable range of addresses.
2869 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2872 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2875 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2878 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2879 around RESULT_DECL for result passed by reference.
2880 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2881 * omp-low.c (use_pointer_for_field): Don't look at
2882 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2883 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2884 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2885 time or var for passing by reference for
2886 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2887 TREE_ADDRESSABLE variables when passing by reference.
2889 * omp-low.c (dump_omp_region): Fix output formatting.
2892 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2893 (expand_omp_parallel): Likewise.
2894 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2897 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2898 on statement list containing also constructors and destructors.
2899 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2902 * except.c (duplicate_eh_regions): Fix clearing of
2903 cfun->eh->region_array entries.
2905 2006-05-01 DJ Delorie <dj@redhat.com>
2907 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2909 (gcc_cv_objdump): Likewise.
2910 * configure: Regenerated.
2912 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2915 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2916 templates for case 3 and 4.
2918 2006-05-01 DJ Delorie <dj@redhat.com>
2920 * vec.c: Include bconfig.h when appropriate.
2921 * Makefile.in (build/vec.o): Adjust dependencies.
2922 * mkconfig.sh: Make sure config.h isn't used for build machine
2925 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2927 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2929 (mark_phi_for_rewrite): New function.
2930 (insert_phi_nodes_for, mark_use_interesting): Call
2931 mark_phi_for_rewrite.
2932 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2933 (update_ssa): Initialize and free phis_to_rewrite.
2935 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2937 PR rtl-optimization/27291
2938 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2939 folded to a constant.
2941 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR tree-optimization/27283
2944 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2945 not whole # of iteration descriptions.
2946 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2947 uses abnormal ssa name.
2948 (niter_for_single_dom_exit): Ditto.
2949 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2950 return just the number of iterations.
2952 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2954 PR tree-optimization/27144
2955 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2956 (record_estimate): Only record constant upper bound.
2957 (infer_loop_bounds_from_undefined): Call
2958 compute_estimated_nb_iterations just once.
2959 (proved_non_wrapping_p): Renamed to ...
2960 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2961 (convert_step_widening, scev_probably_wraps_p): Call
2962 n_of_executions_at_most instead of proved_non_wrapping_p.
2963 (substitute_in_loop_info): Do not replace values in bounds.
2964 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2967 2006-05-01 Richard Henderson <rth@redhat.com>
2970 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2971 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2974 2006-05-01 Roger Sayle <roger@eyesopen.com>
2976 * c-typeck.c (parser_build_binary_op): Don't call the function
2977 unsigned_conversion_warning to spot operand/result type overflow.
2978 (build_binary_op): Instead, call convert_and_check instead of
2979 convert to report the problem when the operands are promoted.
2980 * c-common.c (unsigned_conversion_warning): Make static.
2981 * c-common.h (unsigned_conversion_warning): Delete prototype.
2983 2006-05-01 Richard Guenther <rguenther@suse.de>
2985 PR tree-optimization/26726
2986 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2988 (find_interesting_uses_address): ... we work around here
2989 by folding INDIRECT_REFs in the substituted base.
2991 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2993 * omp-low.c (dump_omp_region): Add newlines.
2995 2006-04-30 Roger Sayle <roger@eyesopen.com>
2997 * common.opt (Woverflow): New command line option.
2998 * c-common.c (constant_expression_warning): Check warn_overflow.
2999 (overflow_waring): Pass OPT_Woverflow to warning.
3000 (unsigned_conversion_warning): Likewise.
3001 (convert_and_check): Likewise.
3002 * doc/invoke.texi: Document new command line option.
3004 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3006 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3007 TARGET_NO_FP_IN_TOC for section anchors.
3008 (optimization_options): Enable section anchors for all
3009 non-"Objective" languages.
3011 2006-04-28 Eric Christopher <echristo@apple.com>
3013 * config/darwin-c.c (darwin_ms_struct): Move this
3014 (darwin_set_default_type_attributes): and this...
3015 * config/darwin.c: ... here.
3016 * config/darwin.h (darwin_ms_struct): Declare.
3018 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3020 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3022 2006-04-28 Roger Sayle <roger@eyesopen.com>
3025 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3026 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3027 an unsigned HOST_WIDE_INT.
3028 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3030 (really_start_incremental_init): No need to call convert because
3031 bitsize_zero_node is already of type bitsizetype.
3032 (push_init_level): Extract the value of constructor_index as an
3033 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3034 (process_init_element): Likewise.
3036 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3038 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3039 value before passing to make_relative_prefix.
3041 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3044 * builtins.c (expand_builtin_memset): Expand val in original mode.
3046 2006-04-27 Eric Christopher <echristo@apple.com>
3048 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3049 with #ifndef/#endif.
3050 * config/darwin-c.c (darwin_ms_struct): New.
3051 (darwin_pragma_ms_struct): Ditto.
3052 (darwin_set_default_type_attributes): Ditto.
3053 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3054 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3055 Register ms_struct pragma.
3056 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3057 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3058 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3059 darwin_set_default_type_attributes if TARGET_MACHO.
3061 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3063 PR tree-optimization/26854
3064 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3065 * doc/tree-ssa.texi: Update immuse iterator documentation.
3066 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3067 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3068 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3069 first_safe_imm_use, next_safe_imm_use): Remove.
3070 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3071 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3072 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3073 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3074 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3075 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3076 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3077 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3078 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3079 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3080 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3081 (perfect_nestify): Use new iterator.
3082 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3084 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3085 (next_imm_name): New field in struct immediate_use_iterator_d.
3086 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3087 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3088 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3089 * tree-cfg.c (replace_uses_by): Use new iterator.
3090 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3091 * tree-ssa-operands.c (correct_use_link): Remove.
3092 (finalize_ssa_use_ops): No longer call correct_use_link.
3094 2006-04-27 Stuart Hastings <stuart@apple.com>
3096 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3097 * config/t-darwin (crt3.o): Use it.
3098 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3099 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3100 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3101 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3102 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3105 2006-04-27 Roger Sayle <roger@eyesopen.com>
3107 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3108 size, force the intermediate into a new pseudo rather instead of
3109 performing both a bitwise AND and a bitwise IOR in memory.
3111 2006-04-27 Richard Guenther <rguenther@suse.de>
3113 PR rtl-optimization/26685
3114 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3115 this one "max-flow-memory-locations".
3117 2006-04-27 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/25148
3120 * tree-vrp.c (compare_values): Remove code dealing with
3121 comparisons against type min/max value. Honour overflow
3122 and negative constants in code dealing with comparisons
3123 of plus and minus expressions.
3124 (value_inside_range): Use fold_binary with LE_EXPR and
3125 GE_EXPR rather than compare_values.
3127 2006-04-27 Dirk Mueller <dmueller@suse.de>
3129 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3132 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3134 * basic-block.h (safe_insert_insn_on_edge): Removed.
3135 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3137 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3138 Paolo Bonzini <bonzini@gnu.org>
3141 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3142 (simplify_and_const_int): Same.
3144 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3146 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3148 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3151 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3152 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3153 cgraph_global_info_ready.
3156 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3159 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3160 either decl or init is error_mark_node.
3163 * tree-flow.h (struct omp_region): Add sched_kind.
3164 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3165 instead of extracting omp for data.
3166 (expand_omp_for): Save extracted sched_kind.
3168 2006-04-25 Roger Sayle <roger@eyesopen.com>
3170 * expmed.c (store_bit_field): Also check whether the bitsize is
3171 valid for the machine's "insv" instruction before moving the
3172 target into a pseudo for use with the insv.
3173 * config/i386/predicates.md (const8_operand): New predicate.
3174 * config/i386/i386.md (extv, extzv, insv): Use the new
3175 const8_operand predicate where appropriate.
3177 2006-04-25 DJ Delorie <dj@redhat.com>
3179 * doc/install.texi (Specific): Clarify that this is not a list of
3180 supported hosts or targets.
3182 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3184 PR rtl-optimization/26725
3185 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3186 block's BB_DIRTY flag.
3188 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3190 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3193 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3194 to print an integer.
3196 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3198 * varasm.c (align_variable): New function.
3199 (get_block_for_decl): Apply align_variable to DECL before
3200 calculating section information.
3201 (assemble_variable): Split out alignment computation.
3203 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3205 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3208 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3210 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3211 MODE_PARTIAL_INT mode.
3212 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3213 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3215 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3216 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3218 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3220 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3222 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3223 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3224 MACFLAG_IH): Likewise.
3225 (movstricthi_1): Renamed from "*movstricthi".
3226 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3227 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3228 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3229 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3230 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3231 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3232 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3233 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3234 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3235 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3236 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3237 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3238 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3239 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3240 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3242 * doc/rtl.texi (ss_ashift): Improve wording.
3244 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3246 * dwarf2out.c (verify_marks_clear): New.
3247 (prune_unused_types): Call verify_marks_clear initially, not
3250 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3252 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3253 * doc/rtl.texi: Document them.
3254 * simplify-rtx.c (simplify_unary_operation,
3255 simplify_binary_operation_1): Don't abort when we see them.
3257 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3260 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3261 * configure.ac: Completely disregard languages that are not
3263 * configure: Regenerated.
3265 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3266 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/27236
3269 * tree-inline.c (copy_body_r): Make sure to copy
3270 TREE_THIS_VOLATILE flag.
3272 2006-04-24 Richard Guenther <rguenther@suse.de>
3275 * tree-complex.c (update_parameter_components): Don't handle
3276 unused parameters which have no default def.
3278 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3279 Richard Guenther <rguenther@suse.de>
3281 PR tree-optimization/27218
3282 * tree-inline.c (expand_call_inline): Strip useless type
3283 conversions for the return slot address.
3285 2006-04-24 Richard Guenther <rguenther@suse.de>
3287 * cfgloop.h (struct loops): Remove unused field array. Reorder
3289 (LOOP_PREFETCH): Remove.
3291 2006-04-24 Richard Guenther <rguenther@suse.de>
3293 PR tree-optimization/22525
3294 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3295 variable, adjust types of generated expressions.
3297 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3299 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3300 (tree-vect-patterns.o): Likewise.
3302 (cselib.o): Likewise.
3303 (loop-doloop.o): Likewise.
3304 (regclass.o): Likewise.
3305 (reload1.o): Likewise.
3306 (explow.o): Replace target.h with $(TARGET_H).
3307 (ipa-prop.o): Likewise.
3308 (ipa-cp.o): Likewise.
3309 (ipa-inline.o): Likewise.
3310 (reorg.o): Likewise.
3311 (reg-stack.o): Likewise.
3313 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3315 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3317 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3319 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3321 * configure.ac: Completely disregard languages that are not
3323 * configure: Regenerated.
3326 * c-common.h (c_build_bitfield_integer_type): Declare.
3327 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3328 * c-common.c (c_build_bitfield_integer_type): ... here.
3330 2006-04-23 Roger Sayle <roger@eyesopen.com>
3333 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3334 a SImode SUBREG of a floating point register after no_new_pseudos.
3336 2006-04-23 Roger Sayle <roger@eyesopen.com>
3338 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3339 identify potentially eliminable registers to additionally catch
3340 VIRTUAL_INCOMING_ARGS_REGNUM.
3341 (addsi3): Update the conditions on when to use addsi_small_int.
3343 2006-04-23 Roger Sayle <roger@eyesopen.com>
3346 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3347 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3348 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3350 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3352 * fold-const.c (range_predecessor): Use operand_equal_p
3353 as the predicate for equality.
3354 (range_successor): Likewise.
3356 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3359 * config/soft-fp/op-common.h: Fix a typo.
3361 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3364 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3365 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3367 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3369 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3371 * doc/tm.texi: Fix a typo.
3373 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3375 * dwarf2out.c (struct die_struct): Document that die_sib makes
3376 a circular linked list.
3377 (FOR_EACH_CHILD): New.
3378 (reverse_die_lists): Delete.
3379 (reverse_all_dies): Delete.
3380 (add_dwarf_attr): Correct documentation.
3381 (remove_child_with_prev): New.
3382 (remove_child_TAG): Update for change to die_struct, use
3383 remove_child_with_prev.
3384 (add_child_die): Update for change to die_struct.
3385 (splice_child_die): Use remove_child_with_prev and add_child_die.
3386 (print_die): Use FOR_EACH_CHILD.
3387 (die_checksum): Likewise.
3388 (assign_symbol_names): Likewise.
3389 (output_location_lists): Likewise.
3390 (build_abbrev_table): Likewise.
3391 (calc_die_sizes): Likewise.
3392 (mark_dies): Likewise.
3393 (unmark_dies): Likewise.
3394 (unmark_all_dies): Likewise.
3395 (output_die): Likewise.
3396 (prune_unused_types_mark): Likewise.
3397 (prune_unused_types_walk): Likewise.
3398 (same_die_p): Update for change to die_struct.
3399 (break_out_includes): Likewise.
3400 (prune_unused_types_prune): Likewise.
3401 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3402 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3404 (dwarf2out_finish): Don't call reverse_all_dies.
3406 2006-04-21 Eric Christopher <echristo@apple.com>
3408 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3409 in comments and function names.
3411 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3414 * c-typeck.c (digest_init): Robustify.
3416 * c-typeck.c (pop_init_level): Simplify.
3418 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3420 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3422 2006-04-21 Paul Brook <paul@codesourcery.com>
3424 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3425 hardware floating point.
3427 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3429 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3432 2006-04-21 Nick Clifton <nickc@redhat.com>
3434 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3437 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3440 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3441 C++ lang type in traceback table for Objective-C++.
3443 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3445 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3447 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3449 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3452 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3453 were errors. Remove check for erroneous objects.
3455 2006-04-20 Jeff Law <law@redhat.com>
3457 PR tree-optimization/26854
3458 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3459 checking for zero or one use.
3460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3461 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3462 * tree-ssa-reassoc.c (negate_value): Similarly.
3463 (reassociate_bb): Similarly.
3465 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3467 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3468 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3469 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3471 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3473 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3474 fp regs if the last fp arg doesn't fit in regs.
3476 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3479 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3480 that the last insn has the REG_INC note.
3482 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3483 Nathan Sidwell <nathan@codesourcery.com>
3486 * stor-layout.c (update_alignment_for_field): Do not align
3488 (place_union_field): Place union field at the start of the union.
3489 (place_field): Move ERROR_MARK check later, and use the current
3490 allocation position to maintain monotonicity.
3492 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3494 * dominance.c: Include timevar.h.
3495 (calculate_dominance_info): Use TV_DOMINANCE.
3496 * timevar.def (TV_DOMINANCE): New timevar.
3497 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3499 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3501 PR rtl-optimization/14261
3502 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3503 move would be an INSV insn.
3504 (noce_process_if_block): Don't optimize if the destination is a
3505 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3507 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3509 * config/s390/s390.md: Add comments with the instructions emitted
3510 by an insn pattern if macros are used.
3512 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3514 PR rtl-optimization/26026
3515 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3516 is a known power of two shifted left a variable amount.
3518 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3520 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3521 to hash table twice when the debug_str section has SECTION_MERGE.
3523 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3525 * config/soft-fp: New directory. From glibc.
3526 * config/soft-fp/t-softfp: New.
3527 * config/soft-fp/README: New.
3528 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3529 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3530 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3531 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3532 * config.gcc: Use rs6000/t-fprules-fpbit or
3533 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3535 * config/rs6000/sfp-machine.h: New. Based on glibc.
3536 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3538 * config/rs6000/t-fprules: Remove fp-bit rules.
3539 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3540 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3541 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3542 (softfp_wrap_start, softfp_wrap_end): New.
3544 2006-04-18 DJ Delorie <dj@redhat.com>
3546 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3548 2006-04-18 Devang Patel <dpatel@apple.com>
3550 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3552 2006-04-18 Nick Clifton <nickc@redhat.com>
3554 * config/sh/t-symbian: Add rule to build sh-c.o
3555 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3556 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3557 (sh_symbian_encode_section_info): Likewise.
3559 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3561 * builtins.c (expand_builtin_strcmp): Cover label definition of
3562 do_libcall with HAVE_cmpstrnsi.
3564 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3566 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3568 * function.h (temp_slot_p): New.
3569 (function): Change the type of x_used_temp_slots to
3570 VEC(temp_slot_p,gc) *.
3572 2006-04-18 Nick Clifton <nickc@redhat.com>
3574 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3575 flag_strength_reduce.
3577 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3579 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3583 Partial revert of revision 112637
3584 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3585 Dale Johannesen <dalej@apple.com>
3588 * regclass.c (struct reg_pref): Update documentation.
3589 (regclass): Set prefclass to NO_REGS if memory is the best option.
3590 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3592 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3594 PR tree-optimization/26821
3595 * tree-ssa-math-opts.c (get_constant_one): New.
3596 (insert_reciprocals): Use it.
3598 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3600 * dwarf2out.c (free_AT): Delete.
3601 (remove_AT): Update string ref counts.
3602 (remove_child_TAG): Don't call free_die.
3604 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3605 or DW_TAG_GNU_EINCL.
3606 (prune_unused_types_walk_attribs): Reset string refcounts.
3607 (prune_unused_types_update_strings): New.
3608 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3609 call free_die. Do call prune_unused_types_update_strings.
3610 (prune_unused_types): Empty debug_str_hash.
3612 2006-04-17 Roger Sayle <roger@eyesopen.com>
3614 * expr.c (expand_assignment): Optimize away no-op moves where the
3615 source and destination are equal and have no side-effects.
3617 2006-04-17 Richard Guenther <rguenther@suse.de>
3620 * reload.c (push_reload): Guard calls to get_secondary_mem
3623 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3625 * alias.c (reg_base_value, old_reg_base_value): Change the
3626 type to VEC(rtx,gc) *.
3627 (REG_BASE_VALUE, find_base_value, record_set,
3628 init_alias_analysis): Use VEC instead of VARRAY.
3630 * alias.c (alias_sets): Change the type to
3631 VEC(alias_set_entry,gc) *.
3632 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3633 VEC instead of VARRAY.
3634 (last_alias_set): Remove.
3636 * cgraph.h (cgraph_edge_p): New.
3637 Update the prototype of cgraph_function_versioning.
3638 * cgraphunit.c (cgraph_copy_node_for_versioning,
3639 cgraph_function_versioning): Use VEC instead of VARRAY.
3640 * ipa-cp.c (ipcp_insert_stage): Likewise.
3642 2006-04-16 Roger Sayle <roger@eyesopen.com>
3645 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3646 "A op B" or "A op C", we may need to convert A to the type of B and C.
3648 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3650 * target.h (struct gcc_target): Add mode_rep_extended.
3651 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3652 (init_num_sign_bit_copies_in_rep): Initialize it using
3654 (truncate_to_mode): Use it.
3655 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3656 * targhooks.h (default_mode_rep_extended): Declare it.
3657 * targhooks.c (default_mode_rep_extended): Define it.
3658 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3659 default_mode_rep_extended.
3660 (TARGET_INITIALIZER): Include it.
3661 * doc/tm.texi (Misc): Document it.
3662 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3663 (mips_truncated_to_mode): New function.
3665 2006-04-16 Roger Sayle <roger@eyesopen.com>
3668 * expr.c (compress_float_constant): Copy the narrow constant into
3669 a new pseudo before extending it to its final width.
3671 2006-04-16 Roger Sayle <roger@eyesopen.com>
3672 Andrew Pinski <pinskia@gcc.gnu.org>
3673 Dale Johannesen <dalej@apple.com>
3676 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3677 special case code to implement V8HImode and V16QImode with SSE2.
3679 2006-04-15 Roger Sayle <roger@eyesopen.com>
3681 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3682 trees are constructed with a suitable tree type.
3684 2006-04-15 Roger Sayle <roger@eyesopen.com>
3686 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3687 (integer_onep): Likewise.
3688 (integer_all_onesp): Likewise.
3689 (integer_pow2p): Likewise.
3690 (integer_nonzerop): Likewise.
3691 (real_zerop): Likewise.
3692 (real_onep): Likewise.
3693 (real_twop): Likewise.
3694 (real_minus_onep): Likewise.
3695 (int_size_in_bytes): Likewise.
3696 (host_integerp): Likewise.
3698 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3700 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3701 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3702 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3704 * tree-ssa-structalias.h (alias_info): Remove num_references.
3706 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3708 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3709 (output_bvb patterns): Likewise.
3710 * pa.c (output_bb): Use 'bb' insn for long branch case.
3711 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3712 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3713 1. Correct length operand for alternatives 1 and 2.
3714 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3715 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3717 2006-04-14 Roger Sayle <roger@eyesopen.com>
3719 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3720 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3721 were accidentally reverted by r112959.
3723 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3726 * except.h (eh_region_outermost): New prototype.
3727 * except.c (eh_region_outermost): New function.
3728 * tree-cfg.c (find_outermost_region_in_block): Use it.
3730 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3732 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3734 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3735 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3736 (init_reload, reload): Use VEC instead of VARRAY.
3737 * reload.h: Update the prototype for
3738 reg_equiv_memory_loc_varray.
3740 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3741 Eric Botcazou <ebotcazou@libertysurf.fr>
3743 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3746 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3749 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3750 to expand fallback builtin function call.
3752 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3755 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3756 and emit libcall here in case the builtin fails.
3757 (expand_builtin_strcmp): Always emit the libcall here on failure.
3759 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3761 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3762 * flow.c (reg_n_info): Change the type to
3763 VEC(reg_info_p,heap) *.
3764 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3766 * regs.h (reg_info_p): New.
3767 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3768 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3769 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3772 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3774 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3776 * params.h (MAX_SCHED_READY_INSNS): New macro.
3777 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3778 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3779 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3780 the ready list for 1 cycle during the first scheduling pass.
3781 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3783 2006-04-13 Richard Henderson <rth@redhat.com>
3786 * gimple-low.c (lower_omp_directive): Remove dead code.
3787 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3788 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3789 * omp-low.c (struct omp_region): Move to tree-flow.h.
3790 (root_omp_region): Export.
3791 (omp_regions, lookup_omp_region): Remove.
3792 (determine_parallel_type): Update for struct omp_region changes.
3793 (dump_omp_region): Dump regions with block numbers.
3794 (new_omp_region): Take type and block instead of stmt; malloc
3796 (free_omp_region_1, free_omp_regions): New.
3797 (expand_parallel_call): Take entry_stmt as argument; update for
3798 changes to omp_region.
3799 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3800 (remove_exit_barriers): New.
3801 (expand_omp_parallel): Update for struct omp_region changes.
3802 (expand_omp_synch): Likewise.
3803 (expand_omp): Likewise.
3804 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3805 (expand_omp_for_static_chunk): Likewise.
3806 (expand_omp_for): Likewise.
3807 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3808 (expand_omp_sections): Similarly, with GOMP_sections_end.
3809 (expand_omp_single): New.
3810 (build_omp_regions_1): Update for OMP_CONTINUE.
3811 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3812 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3813 OMP_SECTIONS_SECTIONS.
3814 (lower_omp_single_simple): Don't emit barrier here.
3815 (lower_omp_single_copy): Likewise.
3816 (lower_omp_single): Fix bindings, and lower to straightline now.
3817 (lower_omp_master, lower_omp_ordered): Likewise.
3818 (lower_omp_critical): Likewise.
3819 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3820 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3821 omp edges, free it afterward.
3822 (make_omp_sections_edges): Remove.
3823 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3824 (move_stmt_r): Handle OMP_CONTINUE.
3825 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3826 statement pointers to basic blocks. Add type member.
3827 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3828 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3829 * tree-inline.c (estimate_num_insns_1): Likewise.
3830 * tree-pretty-print.c (dump_generic_node): Likewise.
3831 * tree-ssa-operands.c (get_expr_operands): Likewise.
3832 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3833 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3834 (OMP_CONTINUE): New.
3835 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3836 (OMP_SECTIONS_SECTIONS): Remove.
3837 (OMP_SECTION_LAST): New.
3838 (OMP_RETURN_NOWAIT): New.
3840 2006-04-13 Roger Sayle <roger@eyesopen.com>
3842 * fold-const.c (native_encode_vector, native_interpret_real):
3843 Correct obvious mistakes in the previous check-in.
3845 2006-04-13 Roger Sayle <roger@eyesopen.com>
3847 * fold-const.c (native_encode_expr): New function to encode
3848 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3849 or VECTOR_CST into a specified buffer.
3850 (native_encode_int): New function.
3851 (native_encode_real): New function.
3852 (native_encode_complex): New function.
3853 (native_encode_vector): New function.
3854 (native_interpret_expr): Inverse of native_encode_expr to convert
3855 a target representation into an INTEGER_CST, REAL_CST etc...
3856 (native_interpret_int): New function.
3857 (native_interpret_real): New function.
3858 (native_interpret_complex): New function.
3859 (native_interpret_vector): New function.
3860 (fold_view_convert_expr): New function to constant fold/evaluate
3861 a VIEW_CONVERT_EXPR of a suitable constant expression.
3862 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3863 Change call of build1 to fold_build1 when constructing a
3866 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3867 Ulrich Weigand <uweigand@de.ibm.com>
3870 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3873 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3876 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3877 optimize to lo_sum for DFmode if !TARGET_FPRS.
3879 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3881 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3882 delete_alias_info, compute_flow_sensitive_aliasing,
3883 group_aliases): Use VEC instead of VARRAY.
3884 * tree-ssa-structalias.c (update_alias_info): Likewise.
3885 * tree-ssa-structalias.h (alias_info): Change the type of
3886 processed_ptrs to VEC(tree,heap) *.
3888 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3891 * config/sh/lib1funcs.h: New file, broken out of:
3892 * config/sh/lib1funcs.asm.
3893 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3895 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3896 * config/sh/lib1funcs-Os-4-200.asm: New file.
3897 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3898 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3899 (EXTRA_MULTILIB_PARTS): Include it.
3900 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3901 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3902 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3903 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3906 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3908 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3909 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3910 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3912 * tree-ssa-live.h: Include vecprim.h.
3913 (tree_partition_associator_d): Change the type of
3914 first_partition to VEC(int,heap) *.
3915 (tpa_first_partition): Use VEC instead of VARRAY.
3917 * Makefile.in (GTFILES): Move functions.h after tree.h.
3918 * function.c (reset_block_changes, record_block_change,
3919 check_block_change, free_block_changes): Use VEC instead of
3921 * function.h (function): Change the type of
3922 ib_boundaries_block to VEC(tree,gc) *.
3923 * tree-inline.c (copy_cfg_body): Initialize
3924 ib_boundaries_block to NULL instead of (varray_type) 0.
3926 2006-04-12 Roger Sayle <roger@eyesopen.com>
3928 * expr.c (emit_group_store): Correct operand order in call to
3929 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3930 a SUBREG_BYTE of zero.
3932 2006-04-12 Richard Guenther <rguenther@suse.de>
3934 * profile.c (compute_branch_probabilities): Remove code
3935 encapsulated in !ir_type (), which are remanents of the
3936 removed RTL profiling code.
3937 * rtl-profile.c: Remove.
3939 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3941 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3942 magic NULL_RTX comment.
3943 (function_arg): Store entire fp arg to mem if any part should go
3945 (rs6000_arg_partial_bytes): Adjust for above change.
3947 2006-04-11 Roger Sayle <roger@eyesopen.com>
3949 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3950 if it hasn't been initialized by dwarf2out_init.
3952 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3954 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3955 symbolic constants in branch patterns.
3957 2006-04-11 Roger Sayle <roger@eyesopen.com>
3959 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3961 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3963 PR rtl-optimization/27073
3964 * gcse.c (try_replace_reg): Revert last change. Continue to search
3965 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3968 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3970 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3971 aggregate types other than record and union types.
3972 (function_arg): Likewise.
3973 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3975 (function_value): In 64-bit mode, return objects that require it
3978 2006-04-11 Roger Sayle <roger@eyesopen.com>
3980 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3982 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3984 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3986 2006-04-03 Jeff Law <law@redhat.com>
3989 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3990 alias information too.
3992 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3994 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3996 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3999 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4000 (premark_used_types_helper): New.
4001 (premark_used_types): New.
4002 (gen_subprogram_die): Call premark_used_types.
4003 (prune_unused_types_walk): Do not prune perennial dies.
4004 * function.c (used_types_insert): New.
4005 * function.h (struct function): Add used_types_hash field.
4006 (used_types_insert): Add prototype.
4007 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4008 * c-parser.c (c_parser_cast_expression): Save casted types in used
4011 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4014 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4015 rs6000_explicit_options.float_gprs.
4017 2006-04-10 Roger Sayle <roger@eyesopen.com>
4019 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4020 from ix86_expand_vector_init_low_nonzero. Take an additional
4021 one_var argument indicating which element is non-zero. Support
4022 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4023 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4024 with one_var instead of ix86_expand_vector_init_low_nonzero.
4026 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4028 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4029 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4030 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4031 build/genextract.o): Depend on vecprim.h.
4032 * cfglayout.c, df-problems.c, function.c, genextract.c,
4033 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4034 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4038 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4040 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4041 Declare VECs of this type.
4042 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4043 (remove_children): Delete.
4044 (add_dwarf_attr): Use VEC routines.
4045 (add_AT_flag): Update for changes to add_dwarf_attr.
4046 (add_AT_int): Likewise.
4047 (add_AT_unsigned): Likewise.
4048 (add_AT_long_long): Likewise.
4049 (add_AT_vec): Likewise.
4050 (add_AT_string): Likewise.
4051 (add_AT_die_ref): Likewise.
4052 (add_AT_fde_ref): Likewise.
4053 (add_AT_loc): Likewise.
4054 (add_AT_loc_list): Likewise.
4055 (add_AT_addr): Likewise.
4056 (add_AT_lbl_id): Likewise.
4057 (add_AT_lineptr): Likewise.
4058 (add_AT_macptr): Likewise.
4059 (add_AT_offset): Likewise.
4060 (add_AT_range_list): Likewise.
4061 (get_AT): Use VEC_iterate.
4062 (remove_AT): Use VEC_ordered_remove.
4063 (free_die): Fold remove_children into here; have it use VEC_iterate.
4064 (print_die): Use VEC_iterate on attrs.
4065 (reverse_die_lists): Don't reverse attr lists.
4066 (die_checksum): Use VEC_iterate on attrs.
4067 (same_die_p): Likewise.
4068 (output_location_lists): Likewise.
4069 (build_abbrev_table): Likewise.
4070 (size_of_die): Likewise.
4071 (unmark_all_dies): Likewise.
4072 (output_abbrev_section): Likewise.
4073 (output_die): Likewise.
4074 (prune_unused_types_walk_attribs): Likewise.
4076 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4078 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4080 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4083 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4085 2006-04-09 Roger Sayle <roger@eyesopen.com>
4087 * expr.c (store_constructor): Don't bother clearing target if
4088 we're about to assign a vector to it using vec_init_optab.
4090 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4092 * tree-ssa-alias.c (lhs_may_store_to): New function.
4093 (recalculate_used_alone): Handle LHS of calls.
4095 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4099 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4100 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4101 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4102 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4103 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4104 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4105 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4106 stubs. Add ".align 8" directives before all ".dword" directives.
4107 (GTHREAD_USE_WEAK): Revise comment.
4108 (TARGET_ATTRIBUTE_WEAK): Define.
4109 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4110 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4111 * stublib.c: New file.
4116 * pa.md (cbranch patterns): Revise arguments used in calls to
4117 output_cbranch, output_bb and output_bvd. Add long branch length
4119 (fbranch patterns): Handle long branches.
4120 (jump): Revise length check. Revise arguments for output_lbranch call.
4121 Add long branch length attributes.
4122 (decrement_and_branch_until_zero): Add long branch length attributes.
4123 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4124 Likewise. Revise arguments for output_parallel_addb and
4125 output_parallel_movb calls.
4126 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4127 output_parallel_movb and output_parallel_addb): Update prototypes.
4128 * pa.c (output_cbranch): Revise arguments. Correct handling of
4129 nullification in long branches.
4130 (output_lbranch): Add new argument to control extraction of delay
4132 (output_bb): Handle long branches.
4133 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4134 output_parallel_addb): Likewise.
4136 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4138 PR rtl-optimization/27073
4139 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4142 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4144 * tree.h (tree_memory_tag): Add old_used_alone.
4145 (SMT_OLD_USED_ALONE): New macro.
4146 * tree-ssa-alias.c (recalculate_used_alone): Stop
4147 marking things for renaming unnecessarily.
4149 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4151 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4152 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4153 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4154 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4155 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4156 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4157 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4158 spelling convensions.
4159 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4160 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4161 typos. Follow spelling conventions.
4163 2006-04-07 DJ Delorie <dj@redhat.com>
4165 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4166 passed on the stack.
4167 (m32c_init_cumulative_args): When a function returns a structure,
4168 always pass the pointer to that return area on the stack.
4169 (m32c_function_arg_advance): Don't increment the parameter number
4170 if we're processing the returned structure pointer.
4171 (pushm_info): Reverse order of registers.
4173 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4175 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4176 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4177 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4178 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4180 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4181 chrec_fold_multiply): Same.
4182 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4183 force_expr_to_var_cost): Same.
4184 * tree-mudflap.c (mf_xform_derefs_1): Same.
4185 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4187 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4189 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4190 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4193 2006-04-07 Jan Hubicka <jh@suse.cz>
4195 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4197 2006-04-07 Richard Guenther <rguenther@suse.de>
4199 PR tree-optimization/26135
4200 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4201 loads for store copy-prop.
4202 (copy_prop_visit_stmt): Likewise.
4204 2006-04-05 Robert Millan <robertmh@gnu.org>
4206 * config/i386/linux.h: Add a comment to mark macros that are
4207 being overriden in config/k*bsd-gnu.h.
4208 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4210 * config/knetbsd-gnu.h: Ditto.
4212 2006-04-06 Jan Hubicka <jh@suse.cz>
4216 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4219 2006-04-06 Mike Stump <mrs@apple.com>
4221 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4222 for HAVE_nonlocal_goto to be consistent.
4223 (expand_builtin_nonlocal_goto): Likewise.
4224 (expand_builtin_strcmp): Use #ifdef instead of #if
4225 for HAVE_cmpstrnsi to be consistent.
4227 2006-04-05 DJ Delorie <dj@redhat.com>
4229 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4232 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4234 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4235 got-relative addressing for anything but SImode.
4237 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4238 even if the calling function doesn't modify them.
4240 2006-04-05 Richard Guenther <rguenther@suse.de>
4242 PR tree-optimization/26919
4243 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4244 to cgraph_estimate_size_after_inlining.
4246 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4248 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4250 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4252 PR tree-optimization/26996
4253 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4254 VECTOR_TYPE variables.
4256 2006-04-05 Richard Guenther <rguenther@suse.de>
4258 PR tree-optimization/26763
4259 * fold-const.c (fold_comparison): Move folding of
4260 PTR + CST CMP PTR + CST ...
4261 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4263 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4265 * doc/install.texi (Prerequisites): Refine some wording on
4266 bootstrapping and ksh.
4267 Move the version numbers of DejaGnu here from the testing section
4268 and fix casing of names.
4269 Fix markup and clarify wording for autogen requirements.
4270 Refer to GCJ instead of just java.
4271 Refer to SVN instead of CVS.
4272 Describe diffutils as useful instead of necessary.
4273 (Downloading the source): Refer to SVN instead of CVS.
4274 Adjust a link to our web site accordingly.
4275 (Configuration): Fix casing of Bison.
4276 (Building): Refer to SVN instead of CVS.
4277 Fix a sentence on the use of Bison and remove duplicate (and
4278 incorrect) version number of Bison requirement.
4279 Remove one redundant list of packages needed for building.
4280 (Specific): Avoid reference to CVS.
4282 2006-04-04 Eric Christopher <echristo@apple.com>
4284 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4285 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4286 (rs6000_handle_struct_attribute): New.
4287 (rs6000_ms_bitfield_layout_p): Ditto.
4289 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4291 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4292 NULL for dso parameter to atexit_common.
4294 2006-04-04 Eric Christopher <echristo@apple.com>
4296 * config/i386/i386.c (machopic_output_stub): Output \t
4297 between instructions and operands.
4299 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4301 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4302 satisfies_constraint_[IL] to explicit tests on value.
4304 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4306 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4307 set_nb_iterations_in_loop): Use build_int_cst instead of
4309 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4310 build_int_cst instead of convert.
4312 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4314 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4315 new value 2 for incoming.
4316 * function.c (expand_function_start): Call struct_value_rtx
4318 * config/sparc/sparc.md: Comment updated_return.
4319 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4320 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4321 struct return if sparc_std_struct_return and incoming is 2.
4322 (print_operand): Do not adjust return if
4323 sparc_std_struct_return.
4325 2006-04-04 Roger Sayle <roger@eyesopen.com>
4327 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4328 convert in the middle-end.
4329 * expr.c (store_expr, store_constructor, get_inner_reference,
4330 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4332 * tree.c (build_range_type): Likewise.
4334 2006-04-04 Tom Tromey <tromey@redhat.com>
4336 * doc/install.texi (Prerequisites): Mention jar.
4338 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4340 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4343 2006-04-04 Matthias Klose <doko@debian.org>
4345 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4346 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4349 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4351 * doc/extend.texi (Function Attributes): Rewrite visibility
4352 attribute documentation.
4353 * doc/invoke.texi (C++ Dialect Options): Rewrite
4354 -fvisibility-inlines-hidden documentation to describe something
4355 entirely different, although in practise compatible.
4356 (Code Gen Options): Warn about system headers in -fvisibility=
4359 * doc/extend.texi (Other Builtins): Document that
4360 __builtin_nan is a compile-time constant only when its argument
4363 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4365 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4366 trying to remove TRUNCATE check if all bits outside the new mode
4367 are identical to the sign bit.
4369 2006-04-03 Jeff Law <law@redhat.com>
4371 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4372 and operand scanning in some common cases.
4374 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4375 Dale Johannesen <dalej@apple.com>
4378 * regclass.c (struct reg_pref): Update documentation.
4379 (regclass): Set prefclass to NO_REGS if memory is the best option.
4380 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4381 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4382 into account. For non-registers, equate an empty preferred
4383 reload class to a `!' in the constraint; move the if clause to
4384 do so after those that reject the insn.
4385 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4387 (find_dummy_reload): Likewise.
4388 * doc/tm.texi (Register Classes): Document what it means
4389 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4390 * config/i386/i386.c (ix86_preferred_reload_class): Force
4391 using SSE registers (and return NO_REGS for floating-point
4392 constants) if math is done with SSE.
4393 (ix86_preferred_output_reload_class): New.
4394 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4395 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4396 * config/i386/i386.md: Remove # register preferences.
4398 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4401 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4402 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4403 the type of nb_iter.
4404 (instantiate_parameters_1): Convert the operands before calling
4405 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4406 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4408 2006-04-02 Roger Sayle <roger@eyesopen.com>
4410 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4411 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4413 * dojump.c (do_jump): Likewise.
4414 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4415 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4416 gimplify_boolean_expr): Likewise.
4417 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4418 * varasm.c (array_size_for_constructor): Likewise.
4419 * tree-object-size.c (compute_object_offset): Likewise.
4421 2006-04-02 Roger Sayle <roger@eyesopen.com>
4424 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4425 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4427 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4429 PR tree-optimization/26939
4430 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4432 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4434 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4435 at_stmt. Convert the type of operands before calling
4436 build_polynomial_chrec.
4437 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4439 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4440 (instantiate_parameters_1): Convert the type of operands before calling
4441 build_polynomial_chrec.
4442 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4443 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4444 reset_evolution_in_loop): Insert asserts to check the types of the
4446 (chrec_type): Moved...
4447 (eq_evolutions_p): Use operand_equal_p.
4448 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4449 the types of the operands.
4450 (chrec_type): ...here.
4451 * tree-data-ref.c (create_data_ref): Convert the operands before
4452 calling chrec_replace_initial_condition.
4453 (same_access_functions, analyze_subscript_affine_affine,
4454 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4455 (compute_subscript_distance, analyze_ziv_subscript,
4456 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4457 analyze_miv_subscript): Convert the operands before calling
4458 chrec_fold_minus or chrec_fold_plus.
4460 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4462 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4463 the dependence_relations vector.
4464 (compute_data_dependences_for_loop): Adjust call to
4465 compute_all_dependences.
4467 2006-04-01 Roger Sayle <roger@eyesopen.com>
4468 Richard Henderson <rth@redhat.com>
4470 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4471 gimple_boolify on the condition before calling gimplify_expr.
4473 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4475 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4476 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4477 the frame size. Update to use the new macros.
4478 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4479 * config/xtensa/ieee754-df.S: Likewise.
4481 2006-03-31 Richard Henderson <rth@redhat.com>
4483 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4484 (make_edges): ... here. Control fallthru creation with a local
4485 variable. Do not play with fake edges.
4486 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4487 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4490 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4492 * dwarf2.h (DW64_CIE_ID): Define.
4493 * dwarf2out.c (DWARF_CIE_ID): Define.
4494 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4495 length header. Use DWARF_CIE_ID.
4496 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4497 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4499 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4501 * config/sh/linux-atomic.asm: New file.
4502 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4504 2006-03-31 DJ Delorie <dj@redhat.com>
4506 * config/m32c/cond.md: Set condition flags properly throughout.
4507 * config/m32c/minmax.md: Likewise.
4508 * config/m32c/prologue.md: Likewise.
4509 * config/m32c/bitops.md: Likewise.
4510 * config/m32c/muldiv.md: Likewise.
4511 * config/m32c/mov.md: Likewise.
4512 * config/m32c/addsub.md: Likewise.
4513 * config/m32c/m32c.md: Likewise.
4514 * config/m32c/jump.md: Likewise.
4515 * config/m32c/shift.md: Likewise.
4517 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4518 conditionally output the pattern for this.
4519 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4520 (m32c_compare_redundant): New.
4521 (m32c_output_compare): New.
4522 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4524 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4525 dest, not src. Allow other 4-byte modes.
4527 2006-03-30 Denis Chertykov <denisc@overta.ru>
4529 * doc/md.texi: Refer to avr/constraints.md instead of
4532 2006-03-30 Roger Sayle <roger@eyesopen.com>
4534 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4535 signed vs. unsigned comparison failures on some hosts.
4537 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4540 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4541 change to FLOAT_REGS.
4543 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4544 (rs6000_override_options): Use it.
4545 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4546 only for -mabi=spe/no-spe and -mabi=altivec.
4548 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4550 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4553 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4555 * Makefile.in: Rename docdir to gcc_docdir.
4557 2006-03-30 Roger Sayle <roger@eyesopen.com>
4560 * expr.c (emit_group_store): Optimize group stores into a pseudo
4561 register by using a paradoxical subreg to initialize the destination
4562 if the first or last member of the group specifies a "low part".
4564 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4567 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4568 * target.h (struct gcc_target.speculate_insn): Change type of the
4569 second parameter to 'int'.
4570 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4571 the second operand of the DEPS_LIST.
4572 (copy_DEPS_LIST_list): Update reference to the second operand of the
4574 * rtl.h (alloc_DEPS_LIST): Update signature.
4575 * sched-int.h (ds_t): Change typedef to 'int'.
4576 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4578 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4580 * haifa-sched.c (try_ready): Change condition to restore
4581 non-speculative pattern of the instruction.
4582 (process_insn_depend_be_in_spec): Code to keep probability of the
4583 speculative dependence non-decreasing.
4585 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4587 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4588 (single_move_for_movmem): ... this. Also change all uses.
4589 (bfin_expand_strmov): Renamed to...
4590 (bfin_expand_movmem): ... this. Also change all uses.
4591 * config/bfin/bfin.md (movstrsi): Renamed to...
4592 (movstrsi): ...this.
4594 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4596 PR tree-optimization/26830
4598 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4599 (copy_prop_visit_stmt): Remove write-only variable ann.
4600 (init_copy_prop): Check variable loop depth here. Do not simulate
4601 memory-tag and virtual operand PHIs except for store copy prop.
4603 2006-03-30 Richard Guenther <rguenther@suse.de>
4605 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4606 variants with double arguments.
4608 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4610 * genpreds.c (write_tm_constrs_h): Delete variable p.
4611 * genconditions.c (write_header): Add tm-constrs.h to included
4613 * genpeep.c (main): Add toplev.h to included headers.
4614 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4615 (build/genpeep.o): Add toplev.h dependency.
4616 * config/rs6000/constraints.md: Add "W" constraint.
4618 2006-03-29 Roger Sayle <roger@eyesopen.com>
4620 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4621 sizes by correctly testing whether the size fits a host integer.
4622 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4623 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4624 SImode range for the default sizetype and bitsizetype.
4626 2006-03-29 Roger Sayle <roger@eyesopen.com>
4628 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4629 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4630 quickly if the argument is already of the correct type.
4631 Call fold_build1 instead of build1. Tidy up blank lines.
4633 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4635 * genemit.c (main): Add tm-constrs.h to included headers.
4636 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4637 * genpeep.c (main): Add tm-constrs.h to included headers.
4638 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4639 (write_tm_constrs_h): this and write complete file.
4640 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4641 (write_insn_preds_c): Add tm-constrs.h to included headers.
4642 (gen_constrs): New variable.
4643 (parse_option): Parse "-c".
4644 (main): Invoke write_tm_constrs_h.
4645 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4646 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4647 (object_out_file): Add tm-constrs.h dependency.
4648 (insn-emit.o): Same.
4649 (insn-output.o): Same.
4650 (insn-peep.o): Same.
4651 (insn-preds.o): Same.
4652 (insn-recog.o): Same.
4653 (tm-constsr.h): New target.
4654 (s-constrs-h): New target.
4656 * config/rs6000/constraints.md: New file.
4657 * config/rs6000/rs6000.c: Include tm-constrs.h.
4658 (num_insn_constant_wide): Convert to satisfies_constraint.
4659 (rs6000_rtx_costs): Convert to satisfies_constraint.
4660 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4661 (CONST_OK_FOR_LETTER_P): Delete.
4662 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4663 (EXTRA_CONSTRAINT): Delete.
4664 (EXTRA_MEMORY_CONSTRAINT): Delete.
4665 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4666 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4667 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4668 satisfies_constraint.
4670 * config/i386/i386.c: Include tm-constrs.h.
4672 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4674 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4675 * tree-data-ref.c (find_data_references_in_loop,
4676 compute_data_dependences_for_loop): Use pointers to VEC.
4677 (analyze_all_data_dependences): Adjust calls.
4678 * tree-data-ref.h (find_data_references_in_loop,
4679 compute_data_dependences_for_loop): Adjust declarations.
4680 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4681 compute_data_dependences_for_loop.
4683 2006-03-29 Paul Brook <paul@codesourcery.com>
4685 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4688 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4690 PR tree-optimization/26859
4691 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4693 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4694 for the step after fold_convert.
4696 2006-03-29 Paul Brook <paul@codesourcery.com>
4698 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4699 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4701 2006-03-29 Paul Brook <paul@codesourcery.com>
4704 * targhooks.c (default_narrow_bitfield): New fuction.
4705 * targhooks.h (default_narrow_bitfield): add prototype.
4706 * target.h (gcc_target): Add narrow_volatile_bitfield.
4707 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4708 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4709 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4710 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4712 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4714 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4716 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4717 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4718 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4719 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4720 (s390_function_arg_float): Allow SDmode and DDmode values to be
4721 passed in floating point registers.
4722 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4723 check with SCALAR_FLOAT_MODE_P.
4724 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4726 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4728 PR tree-optimization/25985
4729 * tree-ssa-loop-niter.c (number_of_iterations_le,
4730 number_of_iterations_ne): Make comments more precise.
4731 (number_of_iterations_cond): Add only_exit argument. Use the
4732 fact that signed variables do not overflow only when only_exit
4734 (loop_only_exit_p): New.
4735 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4736 number_of_iterations_cond.
4738 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4740 PR tree-optimization/26643
4741 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4744 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4746 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4747 (divsi3_i4_int): Likewise.
4749 2006-03-28 Roger Sayle <roger@eyesopen.com>
4751 * expr.c (emit_group_store): Only create a new pseudo reg if the
4752 quantity it needs to hold isn't already a suitable pseudo.
4754 2006-03-28 Jeff Law <law@redhat.com>
4756 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4757 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4759 2006-03-28 Roger Sayle <roger@eyesopen.com>
4761 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4762 the equivalent ~X & Y, and the symmetry related transformations.
4763 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4764 ~X & Y, and symmetry related transforms.
4766 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4768 Revert my 2006-03-27 patches.
4770 2006-03-28 Roger Sayle <roger@eyesopen.com>
4772 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4773 ~(T1)X, when T1 and T2 are integer types of the same precision
4774 and (T2)X isn't an extension.
4776 2006-03-28 Jeff Law <law@redhat.com>
4778 PR tree-optimization/26796
4779 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4780 need EH edge cleanups rather than purging them immediately.
4781 (eliminate_degenerate_phis): Handle queued EH cleanups.
4783 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4785 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4788 2006-03-27 Roger Sayle <roger@eyesopen.com>
4791 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4792 cast BIT_NOT_EXPR operand to the correct type.
4794 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4796 * tree-loop-linear.c: Don't include varray.h.
4797 (gather_interchange_stats, try_interchange_loops,
4798 linear_transform_loops): Use VEC instead of VARRAY.
4799 * lambda-mat.c: Don't include varray.h.
4800 * tree-chrec.c: Same.
4801 * lambda-trans.c: Same.
4802 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4803 VEC instead of VARRAY.
4804 * tree-vectorizer.h: Idem.
4805 * tree-data-ref.c (dump_data_references,
4806 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4807 initialize_data_dependence_relation, finalize_ddr_dependent,
4808 compute_all_dependences, find_data_references_in_loop,
4809 compute_data_dependences_for_loop, analyze_all_data_dependences,
4810 free_dependence_relation, free_dependence_relations,
4811 free_data_refs): Idem.
4812 * tree-data-ref.h (data_reference_p, subscript_p): New.
4813 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4814 VEC instead of VARRAY.
4815 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4816 (find_data_references_in_loop, compute_data_dependences_for_loop,
4817 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4818 dump_data_dependence_relations, free_dependence_relations,
4819 free_data_refs): Adjust declaration.
4820 (lambda_transform_legal_p): Move declaration here...
4821 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4822 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4823 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4824 vect_analyze_data_refs): Use VEC instead of VARRAY.
4825 * lambda.h (lambda_transform_legal_p): ...from here.
4826 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4827 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4828 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4829 tree-chrec.o): Don't depend on VARRAY_H.
4831 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4833 * rtl.def (Copyright): Update date.
4834 (DEPS_LIST): Change type of the second operand to 'int'.
4835 * target.h (Copyright): Update date.
4836 (struct gcc_target.speculate_insn): Change type of the second parameter
4838 * lists.c (Copyright): Update date.
4839 (alloc_DEPS_LIST): Change signature. Update reference to the second
4840 operand of the DEPS_LIST.
4841 (copy_DEPS_LIST_list): Update reference to the second operand of the
4843 * rtl.h (Copyright): Update date.
4844 (alloc_DEPS_LIST): Update signature.
4845 * sched-int.h (Copyright): Update date.
4846 (ds_t): Change typedef to 'int'.
4847 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4849 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4851 * haifa-sched.c (Copyright): Update date.
4852 (try_ready): Change condition to restore non-speculative pattern
4854 (process_insn_depend_be_in_spec): Code to keep probability of the
4855 speculative dependence non-decreasing.
4857 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4859 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4860 shut up the compiler.
4862 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4864 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4865 to use lib prefix for target.
4866 ($(T)libic_invalidate_array_4-200.a): Likewise.
4867 ($(T)libic_invalidate_array_4a.a): Likewise.
4869 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4870 J"orn Rennecke <joern.rennecke@st.com>
4872 * superh.opt: New file.
4873 * sh.c (boardtype, osruntime): Remove.
4874 * superh.h (SUBTARGET_OPTIONS): Remove.
4875 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4877 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4878 arguments with ^ and/or [].
4880 * config.gcc (sh-*-*): Add quoting to account for quirk of
4882 Replace == with = in enable_incomplete_targets test.
4884 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4885 with MASK_LITTLE_ENDIAN.
4887 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4888 * config/sh/sh.opt: Added to some comments.
4889 * config/sh/superh.h: Removed some chaff.
4891 * config/sh/sh.opt: Add m4-[1234]00* options.
4892 * config/sh/sh.c (sh_handle_option): Likewise.
4893 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4894 (ic_invalidate_array_4-100.o): New rule.
4895 ($(T)libic_invalidate_array_4-100.a): Likewise.
4896 (ic_invalidate_array_4-200.o): Likewise.
4897 ($(T)libic_invalidate_array_4-200.a): Likewise.
4898 (ic_invalidate_array_4a.o): Likewise.
4899 ($(T)libic_invalidate_array_4a.a): Likewise.
4900 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4901 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4903 * config/sh/crt1.asm: Merged in profiling code.
4904 * config/sh/superh.h (STARTFILE_SPEC): Override.
4905 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4906 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4907 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4909 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4910 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4911 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4913 * sh.opt (mpretend-cmove): New option.
4914 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4915 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4916 (movsicc): Add TARGET_PRETEND_CMOVE code.
4918 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4920 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4921 s390_class_max_nregs): New function prototypes.
4922 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4923 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4924 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4925 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4927 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4929 * dwarf2out.c (add_location_or_const_value_attribute): Call
4930 tree_add_const_value_attribute if nothing else works.
4931 (reference_to_unused): New.
4932 (rtl_for_decl_init): Use reference_to_unused to decide whether
4933 to output an initializer.
4935 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4938 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4939 peephole removing spe frob_di_df_2.
4941 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4943 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4944 (subscript_dependence_tester_1): Declared.
4945 (print_dir_vectors, print_dist_vectors): New.
4946 (debug_data_dependence_relation): New.
4947 (dump_data_dependence_relation): Print more details.
4948 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4949 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4950 (save_dist_v, save_dir_v, add_outer_distances,
4951 build_classic_dist_vector_1): New.
4952 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4953 Don't test for lambda_vector_lexico_pos.
4954 (same_access_functions, add_multivariate_self_dist,
4955 add_other_self_distances, dir_from_dist): New.
4956 (build_classic_dir_vector): Replace implementation almost identical to
4957 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4959 (subscript_dependence_tester_1): New.
4960 (subscript_dependence_tester): Handle the lexicographically negative
4961 distance vectors by recomputing the dependence relation.
4962 (compute_affine_dependence): Remove parameter loop_nest_depth.
4963 (compute_self_dependence): Don't call compute_subscript_distance.
4964 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4965 Add a parameter for the loop_nest.
4966 (find_loop_nest_1, find_loop_nest): New.
4967 (compute_data_dependences_for_loop): Compute the loop nest, and give
4968 up if the nest is not well formed.
4969 * tree-data-ref.h (loop_p): New.
4970 (struct data_dependence_relation): Replace size_vect field with
4971 loop_nest, a vec of loops.
4972 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4973 (DDR_LOOP_NEST): New.
4974 (print_dir_vectors, print_dist_vectors,
4975 debug_data_dependence_relation): Declared.
4976 (index_in_loop_nest): New.
4977 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4978 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4981 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4983 * simplify-rtx.c (simplify_relational_operation): Call
4984 simplify_relational_operation_1 even if mode is VOIDmode.
4986 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4988 PR tree-optimization/26804
4989 * tree.h (DECL_CALL_CLOBBERED): New macro.
4990 (tree_decl_common): Add call_clobbered_flag.
4991 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4992 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4993 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4994 (mark_non_addressable): Ditto.
4995 * tree-ssa.c (verify_call_clobbered): New function.
4996 (verify_alias_info): Use it.
4997 * tree-pass.h (pass_reset_cc_flags): New prototype.
4998 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4999 (reset_cc_flags): New function.
5000 * passes.c (init_optimization_passes): Call reset_cc_flags after
5001 initializing referenced_vars.
5003 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5004 Roger Sayle <roger@eyesopen.com>
5007 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5008 to 1.0 for non-real operands. Implement A / A optimization for
5011 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5013 * config/i386/i386.c (size_cost): Correct the comment for
5014 cost of storing fp registers.
5015 (i386_cost): Likewise.
5016 (i486_cost): Likewise.
5017 (pentium_cost): Likewise.
5018 (pentiumpro_cost): Likewise.
5019 (k6_cost): Likewise.
5020 (athlon_cost): Likewise.
5021 (k8_cost): Likewise.
5022 (pentium4_cost): Likewise.
5023 (nocona_cost): Likewise.
5024 (generic64_cost): Likewise.
5025 (generic32_cost): Likewise.
5027 2006-03-24 Denis Chertykov <denisc@overta.ru>
5029 * config/avr/avr-protos.h (extra_constraint): Delete.
5030 (extra_constraint_Q): New declaration.
5031 * config/avr/constraints.md: New file.
5032 * config/avr/avr.md: Include it.
5033 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5034 (TMP_REGNO, ZERO_REGNO): Likewise.
5035 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5036 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5037 (extra_constraint): Delete.
5038 (extra_constraint_Q): Test for memory constraint 'Q'.
5039 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5040 (REG_CLASS_FROM_LETTER): Delete.
5041 (CONST_OK_FOR_LETTER_P): Delete.
5042 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5043 (EXTRA_CONSTRAINT): Delete.
5044 (TMP_REGNO): Delete.
5045 (ZERO_REGNO): Delete.
5047 2006-03-24 Jeff Law <law@redhat.com>
5049 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5050 directly. Call mark_new_vars_to_rename slightly earlier.
5052 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5054 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5056 (gen_compile_unit_die): Use new language types for Objective-C and
5058 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5059 DW_LANG_C_plus_plus.
5062 * config/t-darwin (crt3.o): Work around bug 26840.
5063 * config/darwin-crt3.c: Rewrite.
5064 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5066 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5068 * doc/invoke.texi: Document -femit-class-debug-always
5069 * common.opt: Add -femit-class-debug-always.
5071 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5073 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5074 index and base register.
5075 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5076 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5077 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5078 REGNO_OK_FOR_INDEX_P.
5079 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5081 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5082 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5083 REG_OK_FOR_BASE_P): Definitions removed.
5085 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5088 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5089 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5090 set yet or weren't marked as local yet.
5092 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5094 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5097 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5099 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5100 (rs6000_legitimate_small_data_p): Delete.
5101 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5102 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5103 and make static. Add forward declaration. Update uses.
5104 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5105 of offsettable_memref_p.
5106 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5107 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5109 2006-03-24 Jeff Law <law@redhat.com>
5111 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5112 around bug in immediate-use iterator.
5114 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5117 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5118 or __LITTLE_ENDIAN__.
5120 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5122 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5123 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5124 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5125 * config/sh/sh.opt (mdiv=): Amend description.
5126 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5127 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5128 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5129 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5130 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5131 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5132 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5133 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5134 TARGET_DIVIDE_CALL_FP.
5136 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5138 * haifa-sched.c (choose_ready): Fix type of the local variable.
5139 Move local variables. Add comment.
5140 (check_reg_live): Change signature. Make callable from debugger.
5141 * sched-int.h (check_reg_live): Update signature.
5142 * sched-ebb.c (check_reg_live): Update parameters.
5143 * sched-rgn.c (check_reg_live): Ditto.
5144 (region_head_or_leaf_p): Check pointer before dereferencing.
5145 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5146 before reload on optimization levels below 1.
5148 2006-03-23 Richard Henderson <rth@redhat.com>
5150 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5154 * config/alpha/predicates.md (local_symbolic_operand): Reject
5157 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5160 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5161 expressions which have overflowed constants.
5163 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5165 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5167 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5169 * cfgloopmanip.c (create_loop_notes): Removed.
5170 * final.c (final_scan_insn): Do not handle loop notes.
5171 * jump.c (squeeze_notes): Ditto.
5172 * cfglayout.c (skip_insns_after_block,
5173 duplicate_insn_chain): Ditto.
5174 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5176 * cfgloop.h (create_loop_notes): Declaration removed.
5178 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5180 * varasm.c (output_constant_pool): Restore fnname and fndecl
5182 (assemble_start_function): Adjust call accordingly.
5183 (assemble_end_function): Likewise.
5185 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5188 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5191 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5193 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5196 * system.h (ICE_EXIT_CODE): New macro.
5197 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5198 (diagnostic_action_after_output): Likewise.
5199 * gcc.c (fatal_ice): New function.
5200 (execute): Use it instead of fatal.
5201 (fancy_abort): Likewise.
5202 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5204 2006-03-22 Jeff Law <law@redhat.com>
5206 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5207 iv_analyze_result returning false.
5209 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5211 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5213 2006-03-22 Richard Henderson <rth@redhat.com>
5216 * except.c (duplicate_eh_regions_0): New.
5217 (duplicate_eh_region_1): Duplicate the children of the node as
5218 well as the node itself. Link them up properly.
5219 (duplicate_eh_region_2): Merge into ...
5220 (duplicate_eh_regions): ... here. Take copy_region argument, and
5221 copy only a sub-tree if asked. Simplify copying and fixup.
5222 (eh_region_outer_p): New.
5223 * except.h (duplicate_eh_regions): Update decl.
5224 (eh_region_outer_p): Declare.
5225 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5226 (lower_omp_master): Likewise.
5227 (lower_omp_ordered): Likewise.
5228 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5229 (move_stmt_r): Use it to remap labels. Handle recursion vs
5230 remap_decls_p properly.
5231 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5232 (find_outermost_region_in_block): New.
5233 (new_label_mapper): New.
5234 (move_sese_region_to_fn): Copy eh information to the new function
5236 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5238 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5241 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5243 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5244 into shared libraries.
5246 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5248 * doc/md.texi: Refer to i386/constraints.md instead of
5250 * config/i386/constraints.md: New file, extracted from...
5251 * config/i386/predicates.md: ...here.
5252 * config/i386/i386.md: Include constraints.md.
5254 2006-03-21 Jason Merrill <jason@redhat.com>
5256 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5259 * expr.c (init_block_move_fn): Force default visibility.
5260 (init_block_clear_fn): Likewise.
5261 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5262 * targhooks.c (default_external_stack_protect_fail): Likewise.
5264 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5266 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5267 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5268 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5269 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5270 (loadgp): Use mips_current_loadgp_style.
5271 (loadgp_noshared): New pattern.
5272 (sibcall_internal): Use MIPS_CALL.
5273 (sibcall_value_internal): Likewise.
5274 (sibcall_value_multiple_internal): Likewise.
5275 (call_internal): Likewise.
5276 (call_value_internal): Likewise.
5277 (call_value_multiple_internal): Likewise.
5278 (call_split): Use MIPS_CALL and add an 'S' constraint.
5279 (call_value_split): Likewise.
5280 (call_value_multiple_split): Likewise.
5281 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5282 (-mshared): New option.
5283 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5284 (mips_current_loadgp_style): Declare.
5285 * config/mips/mips.c (mips_classify_symbol): Avoid using
5286 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5287 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5288 TARGET_ABSOLUTE_ABICALLS.
5289 (override_options): Adjust comments. Improve the warning that is
5290 issued when -mabicalls and -G are used together.
5291 (mips_file_start): Remove comment.
5292 (mips_current_loadgp_style): New function.
5293 (mips_gnu_local_gp): New variable.
5294 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5296 (mips_output_function_prologue): Use mips_current_laodgp_style.
5297 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5298 the cprestore instruction.
5299 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5300 live for TARGET_ABSOLUTE_ABICALLS.
5301 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5302 (ASM_SPEC): Pass down -mshared and -mno-shared.
5303 (MIPS_CALL): New macro.
5304 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5306 * doc/invoke.texi (-mabicalls): Update documentation.
5307 (-mshared): Document.
5309 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5311 * config/ia64/unwind-hpux.c: New file.
5312 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5314 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5317 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5319 2006-03-21 Jeff Law <law@redhat.com>
5321 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5322 type conversions of a VR_VARYING source to a wider type.
5324 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5326 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5327 tm_file on Solaris 10 and later.
5328 (sparc64-*-solaris2*): Likewise.
5329 (sparc-*-solaris2*): Likewise.
5330 * config/sol26.h: Rename to config/sol2-6.h.
5331 * config/sol2-10.h: New file.
5333 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5336 * tree-ssa-pre.c (create_component_ref_by_pieces):
5339 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5342 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5343 return it immediately.
5345 2006-03-21 Michael Matz <matz@suse.de>
5347 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5349 (remove_arc, add_arc): Update num_out_arcs member.
5350 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5352 (cache_presence): New function.
5353 (compare_states_for_equiv): New function.
5354 (state_is_differed): Don't take number of outargs, adjust callers.
5355 Use new invariant for speeding up.
5356 (init_equiv_class): Create initial classes based on sorted
5358 (partition_equiv_class): Don't track out_arcs_num.
5359 (evaluate_equiv_classes): Call cache_presence on all states and
5362 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5364 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5365 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5366 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5367 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5369 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5370 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5371 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5372 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5373 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5375 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5376 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5377 (REGNO_REG_CLASS): ARGP is in PREGS.
5378 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5380 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5381 to deal with those addresses.
5382 * addresses.h: New file.
5383 * caller-save.c: Include "addresses.h".
5384 (init_caller_save): Use new base_reg_class function.
5385 * rtl-factoring.c: Include "addresses.h".
5386 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5387 * recog.c: Include "addresses.h".
5388 (preprocess_constraints): Use new base_reg_class function.
5389 * regrename.c: Include "addresses.h".
5390 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5391 functions. Keep track of a new var INDEX_CODE to compute valid
5393 (replace_oldest_value_addr): Likewise.
5394 (replace_oldest_value_mem): Use base_reg_class.
5395 * reload.c: Include "addresses.h".
5396 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5397 (find_reloads): Use new base_reg_class function.
5398 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5399 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5400 all callers and prototype changed.
5401 * reload1.c: Include "addresses.h".
5402 (maybe_fix_stack_asms): Use base_reg_class.
5403 * regclass.c: Include "addresses.h".
5404 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5405 (init_reg_autoinc): Use new base_reg_class function.
5406 (record_reg_classes): Likewise.
5407 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5408 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5409 Use new args to compute necessary class.
5411 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5412 regrename.o, rtl-factoring.o): Update dependencies.
5413 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5414 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5415 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5416 REG_OK_FOR_INDEX_P): Delete documentation.
5418 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5420 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5421 from V7 to V9 for Solaris 7 and above.
5423 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5425 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5426 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5427 argument pointers may not alias any other storage.
5428 * common.opt: Define option -fargument-noalias-anything.
5429 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5430 alias semantics is specified by flag_argument_noalias > 2.
5432 2006-03-20 Jeff Law <law@redhat.com>
5434 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5435 (pass_phi_only_cprop): Declare.
5436 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5438 * tree-ssa-dom.c (degenerate_phi_result): New function.
5439 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5440 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5441 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5442 (eliminate_degenerate_phis): Likewise.
5443 (pass_phi_only_cprop): New pass descriptor.
5444 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5445 support code. Callers updated.
5446 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5447 (store_copy_prop): Likewise.
5448 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5450 2006-03-20 Jason Merrill <jason@redhat.com>
5453 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5454 (push_visibility, pop_visibility): Likewise.
5455 * c-pragma.h: Declare them.
5457 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5459 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5461 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5462 parameter and use get_ebb_head_tail.
5463 (sh_md_init_global): Adjust uses of find_regmode_weight.
5465 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5467 * function.h (struct function) <x_tail_recursion_reentry>:
5468 Rename to x_stack_check_probe_note.
5469 (tail_recursion_reentry): Rename to stack_check_probe_note.
5470 * function.c: Replace tail_recursion_reentry with
5471 stack_check_probe_note everywhere.
5472 (expand_function_start): Only emit a note for
5473 stack_check_probe_note with -fstack-protect.
5474 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5476 * emit-rtl.c (remove_unnecessary_notes): Remove.
5477 (pass_remove_unnecessary_notes): Remove.
5478 * rtl.h (remove_unnecessary_notes): Remove prototype.
5479 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5480 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5481 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5483 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5486 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5487 (valid_in_set): Handle ARRAY_REF.
5488 Change "if min_variant or VH" to asserts.
5489 (create_component_ref_by_pieces): Handle ARRAY_REF.
5490 (create_expression_by_pieces): Likewise.
5491 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5493 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5495 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5496 is operand of switch, not str[0].
5498 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5500 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5501 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5503 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5505 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5506 end of insn_extra_address_constraint declaration.
5508 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5510 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5511 (no-sum-in-toc): Same.
5512 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5514 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5515 NO_FP_IN_TOC for -fPIC instead of mask.
5517 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5518 (BOOT_LDFLAGS): Delete.
5520 * config/rs6000/t-aix52: Same.
5522 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5523 (stmsi[345678]_power): New.
5525 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5527 * config/ia64/ia64.opt: Add empty line to end of file.
5529 2006-03-17 Richard Guenther <rguenther@suse.de>
5532 * builtins.c (get_pointer_alignment): For component style references
5533 adjust alignment to the component type alignment. Make sure
5534 to adjust alignment for component access of constants.
5536 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5538 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5541 2006-03-17 Paul Brook <paul@codesourcery.com>
5543 * doc/install.texi: Docuemnt --with-mode.
5544 * config.gcc: Add --with-mode for arm*-*-*.
5545 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5547 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5549 * sh.c (max_labelno_before_reorg): New variable.
5550 (sh_reorg): Initialize it.
5551 (find_barrier): Check max_labelno_before_reorg before using
5552 label_to_alignment. Take length of explicit alignment insns
5553 into account. When seeing a UNSPECV_CONST_END, return it.
5555 * sh.c (fixup_mova): Set mode of affected label to QImode.
5556 (untangle_mova): New function.
5557 (find_barrier): Use it. Check mode of label before decrementing
5559 (sh_reorg): Likewise.
5560 Set mode of all insns back to VOIDmode.
5562 * sh.c (MOVA_LABELREF): New macro.
5563 (mova_p, fixup_mova, sh_reorg): Use it.
5564 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5565 ADDR_DIFF_VEC matches mova.
5567 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5569 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5570 with ATTRIBUTE_UNUSED.
5572 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5574 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5575 pointer, instead of assuming it is possible to derive the
5576 correct args size from a call insn.
5578 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5580 * rtl.h (CONST_INT_P): Define.
5581 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5582 instead of GET_CODE(x) == CONST_INT.
5583 (vax_rtx_costs): Likewise.
5584 (vax_output_int_move): Likewise.
5585 (vax_output_int_add): Likewise.
5586 (legitimate_constant_address_p): Likewise.
5587 (index_term_p): Likewise.
5588 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5589 * config/vax/vax.md (and<mode>3): Likewise.
5590 (ashrsi3): Likewise.
5592 (movstricthi): Likewise.
5593 (movstrictqi): Likewise.
5594 (rotrsi3): Likewise.
5595 (five unnamed insns): Likewise.
5597 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5599 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5600 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5601 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5602 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5603 Pass to ASM_OUTPUT_DWARF_OFFSET.
5604 * dwarf2out.c (debug_frame_section): New.
5605 (output_call_frame_info): Use debug_frame_section. Pass it to
5606 dw2_asm_output_offset.
5607 (output_die): Pass appropriate section to dw2_asm_output_offset.
5608 (output_compilation_unit_header): Likewise.
5609 (output_pubnames): Likewise.
5610 (output_aranges): Likewise.
5611 (enum dw_val_class): Break dw_val_class_lbl_offset into
5612 dw_val_class_lineptr and dw_val_class_macptr.
5613 (add_AT_lbl_offset): Delete.
5614 (add_AT_lineptr): New.
5615 (add_AT_macptr): New.
5616 (AT_lbl): Expect a lineptr or macptr.
5617 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5618 (attr_checksum): Likewise.
5619 (same_dw_val_p): Likewise.
5620 (size_of_die): Likewise.
5621 (value_format): Likewise.
5622 (output_die): Likewise.
5623 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5625 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5626 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5627 * config/darwin-protos.h (darwin_file_start): New.
5628 (darwin_asm_output_dwarf_offset): New.
5629 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5630 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5632 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5633 if not EH section; simplify.
5634 (darwin_file_start): New.
5635 (darwin_asm_output_dwarf_offset): New.
5636 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5638 (DEBUG_INFO_SECTION): Likewise.
5639 (DEBUG_ABBREV_SECTION): Likewise.
5640 (DEBUG_ARANGES_SECTION): Likewise.
5641 (DEBUG_MACINFO_SECTION): Likewise.
5642 (DEBUG_LINE_SECTION): Likewise.
5643 (DEBUG_LOC_SECTION): Likewise.
5644 (DEBUG_PUBNAMES_SECTION): Likewise.
5645 (DEBUG_STR_SECTION): Likewise.
5646 (DEBUG_RANGES_SECTION): Likewise.
5647 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5648 (ASM_OUTPUT_DWARF_OFFSET): New.
5650 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5652 * config.gcc (tm_defines): Always add to previous value rather
5655 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5657 * config/mips/predicates.md (splittable_const_int_operand): New,
5658 split from move_operand.
5659 (splittable_symbolic_operand): New.
5660 (move_operand): Add commentary. Use splittable_const_int_operand.
5661 Inline mips_atomic_symbolic_constant_p.
5662 * config/mips/mips.md: Add combine splitters for handling moves
5663 of splittable_const_int_operands and splittable_symbolic_operands.
5664 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5665 (mips_split_symbol): Declare.
5666 (mips_move_integer): Declare.
5667 * config/mips/mips.c (mips_split_p): Make global.
5668 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5669 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5670 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5671 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5672 (mips_offset_within_object_p): Handle block symbols.
5673 (mips_atomic_symbolic_constant_p): Delete.
5674 (mips_cannot_force_const_mem): Return false for constants that
5675 mips_legitimize_move can handle.
5676 (mips_use_blocks_for_constant_p): New function.
5677 (mips_split_symbol): Make global.
5678 (mips_move_integer): Likewise. Add a temporary register argument.
5679 (mips_legitimize_const_move): Use splittable_const_int_operand and
5680 splittable_symbolic_operand.
5681 (mips_use_anchors_for_symbol_p): New function.
5682 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5683 (mips_split_p): Declare.
5685 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5687 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5688 (mips*-*-linux*): Likewise.
5690 2006-03-16 Roger Sayle <roger@eyesopen.com>
5691 Daniel Speyer <dspeyer@wam.umd.edu>
5694 * tree-dump.c (dump_real): New function.
5695 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5696 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5697 (tree-dump.o): Add $(REAL_H) to the dependencies.
5699 2006-03-16 Roger Sayle <roger@eyesopen.com>
5702 * real.c (real_from_string): If the mantissa is zero, don't bother
5703 parsing the exponent as the result should always be zero.
5705 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5707 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5711 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5712 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5713 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5714 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5715 ia64_sched_finish_global): New static functions to implement
5716 hooks from gcc_target.sched.
5717 (spec_check_no, max_uid, pending_data_specs): New static variables.
5718 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5719 ia64_spec_check_src_p): New static functions.
5720 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5721 (TARGET_SCHED_ADJUST_COST): Removed.
5722 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5723 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5724 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5725 TARGET_SCHED_GEN_CHECK,
5726 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5727 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5728 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5729 Fixed to handle speculation checks.
5730 (rtx_needs_barrier): Fixed to handle speculative loads and
5732 (ia64_variable_issue): Added code to count speculative loads and their
5734 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5736 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5738 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5740 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5741 (ia64_reorg): Reset stops_p to NULL after it is freed.
5742 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5743 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5744 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5746 (data_speculative, control_speculative, check_load): New attributes.
5747 (mov<mode>_advanced, mov<mode>_speculative,
5748 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5749 zero_extend<mode>di2_speculative,
5750 zero_extend<mode>di2_speculative_advanced): New patterns for
5751 data and control speculative loads.
5752 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5754 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5755 New pattern for data and control speculation checks.
5756 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5757 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5758 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5759 Auxiliary definitions for the patterns.
5760 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5761 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5763 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5765 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5766 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5767 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5768 New resource constraints.
5769 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5771 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5772 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5773 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5774 msched-in-control-spec, msched-ldc, msched-control-ldc,
5775 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5776 msched-prefer-non-control-spec-insns,
5777 msched-count-spec-in-critical-path): New flags to tune speculative
5779 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5780 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5781 msched-in-control-spec, msched-ldc, msched-control-ldc,
5782 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5783 msched-prefer-non-control-spec-insns,
5784 msched-count-spec-in-critical-path): Document new flags.
5786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5788 * target.h (struct spec_info_def): New opaque declaration.
5789 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5790 speculate_insn, needs_block_p, gen_check,
5791 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5792 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5793 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5794 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5795 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5796 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5798 (TARGET_SCHED): Use new macros.
5799 * rtl.h (copy_DEPS_LIST_list): New prototype.
5800 * sched-int.h (struct sched_info): Change signature of new_ready field,
5801 adjust all initializations. New fields: add_remove_insn,
5802 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5803 region_head_or_leaf_p.
5804 (struct spec_info_def): New structure declaration.
5805 (spec_info_t): New typedef.
5806 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5807 recovery_block, orig_pat.
5808 (glat_start, glat_end): New variables declaraions.
5809 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5811 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5812 DETACH_LIFE_INFO, USE_GLAT.
5813 (enum SPEC_SCHED_FLAGS): New enumeration.
5814 (NOTE_NOTE_BB_P): New macro.
5815 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5816 attach_life_info, debug_spec_status, check_reg_live): New functions.
5817 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5818 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5820 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5821 * ddg.c (get_block_head_tail): Adjust all uses.
5822 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5823 (sms_sched_info): Initialize new fields.
5824 (contributes_to_priority): Removed.
5825 * haifa-sched.c (params.h): New include.
5826 (get_block_head_tail): Adjust all uses.
5827 (ISSUE_POINTS): New macro.
5828 (glat_start, glat_end): New global variables.
5829 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5830 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5831 old_last_basic_block, before_recovery, current_sched_info_var,
5832 rgn_n_insns, luid): New static variables.
5833 (insn_cost1): New function. Move logic from insn_cost to here.
5834 (find_insn_reg_weight1): New function. Move logic from
5835 find_insn_reg_weight to here.
5836 (reemit_notes, move_insn, max_issue): Change signature.
5837 (move_insn1): Removed.
5838 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5839 extend_bb): New static functions to support extension of scheduler's
5841 (generate_recovery_code, process_insn_depend_be_in_spec,
5842 begin_speculative_block, add_to_speculative_block,
5843 init_before_recovery, create_recovery_block, create_check_block_twin,
5844 fix_recovery_deps): New static functions to support
5845 generation of recovery code.
5846 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5847 restore_bb_notes, move_block_after_check, move_succs): New static
5848 functions to support ebb scheduling.
5849 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5850 functions to support handling of register live information.
5851 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5852 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5853 add_jump_dependencies): New static functions.
5854 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5855 consistancy checking.
5856 (debug_spec_status): New function to call from debugger.
5857 (priority): Added code to handle speculation checks.
5858 (rank_for_schedule): Added code to distinguish speculative instructions.
5859 (schedule_insn): Added code to handle speculation checks.
5860 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5861 Fixed to handle ebbs.
5862 (move_insn): Added code to handle ebb scheduling.
5863 (max_issue): Added code to use ISSUE_POINTS of instructions.
5864 (choose_ready): Added code to choose between speculative and
5865 non-speculative instructions.
5866 (schedule_block): Added code to handle ebb scheduling and scheduling of
5867 speculative instructions.
5868 (sched_init): Initialize new variables.
5869 (sched_finish): Free new variables. Print statistics.
5870 (try_ready): Added code to handle speculative instructions.
5871 * lists.c (copy_DEPS_LIST_list): New function.
5872 * sched-deps.c (extend_dependency_caches): New function. Move logic
5873 from create_dependency_caches to here.
5874 (get_dep_weak, ds_merge): Make global.
5875 * genattr.c (main): Code to output prototype for
5876 dfa_clear_single_insn_cache.
5877 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5878 (output_dfa_clean_insn_cache_func): Code to output
5879 dfa_clear_single_insn_cache function.
5880 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5882 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5884 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5885 New static variables.
5886 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5887 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5889 (ebb_sched_info): Initialize new fields.
5890 (get_block_head_tail): Adjust all uses.
5891 (compute_jump_reg_dependencies): Fixed to use glat_start.
5892 (schedule_ebb): Code to remove unreachable last block.
5893 (schedule_ebbs): Added code to update register live information.
5894 * sched-rgn.c (region_sched_info): Initialize new fields.
5895 (get_block_head_tail): Adjust all uses.
5896 (last_was_jump): Removed. Adjust users.
5897 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5898 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5899 Implement new hooks.
5900 (check_dead_notes1): New static function.
5901 (struct region): New fields: dont_calc_deps, has_real_ebb.
5902 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5903 (BB_TO_BLOCK): Fixed to handle EBBs.
5904 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5905 (ebb_head): New static variable.
5906 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5907 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5909 (compute_dom_prob_ps): New assertion.
5910 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5911 global_live_at_start.
5912 (init_ready_list): New assertions.
5913 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5914 (new_ready): Add support for BEGIN_CONTROL speculation.
5915 (schedule_insns): Fixed code that updates register live information
5917 (schedule_region): Fixed to handle EBBs.
5918 (init_regions): Use extend_regions and check_dead_notes1.
5919 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5920 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5921 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5922 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5923 TARGET_SCHED_GEN_CHECK,
5924 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5925 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5926 * doc/invoke.texi (max-sched-insn-conflict-delay,
5927 sched-spec-prob-cutoff): Document.
5929 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5931 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5932 inter_tick, queue_index.
5933 (struct sched_info): Change signature of init_ready_list field.
5934 Adjust all initializations.
5935 (RESOLVED_DEPS): New access macro.
5936 (ready_add): Remove prototype.
5937 (try_ready): Add prototype.
5938 * sched-rgn.c (init_ready_list): Use try_ready.
5939 (schedule_region): Initialize
5940 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5941 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5942 (init_ready_list): Use try_ready.
5943 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5944 * lists.c (remove_list_elem): Remove `static'.
5945 (remove_free_INSN_LIST_elem): New function.
5946 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5947 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5948 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5950 (readyp): New variable.
5951 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5952 change_queue_index, resolve_dep): New static functions.
5953 (try_ready): New function. Adjust callers in sched-rgn.c and
5954 sched-ebb.c to use it instead of ready_add.
5955 (clock_var): Move at the begining of file.
5956 (rank_for_schedule): Fix typo.
5957 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5958 (ready_lastpos): Enforce assertion.
5959 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5961 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5962 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5963 (queue_to_ready): Use free_INSN_LIST_list.
5964 (early_queue_to_ready): Fix typo.
5965 (schedule_block): Init readyp. Move init_ready_list call after the
5966 initialization of clock_var. Fix error in rejecting insn by
5967 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5968 that previously corrected INSN_TICKs. Add code for handling
5970 (set_priorities): Fix typo.
5971 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5972 Clarify comment and code that keeps current_sched_info->next_tail
5975 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5977 * sched-rgn.c (extend_rgns): New static function.
5978 (find_rgns): Use it.
5979 (gather_region_statistics, print_region_statistics): New static
5981 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5982 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5984 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5985 Andrey Belevantsev <abel@ispras.ru>
5987 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5988 * lists.c (unused_deps_list): New variable.
5989 (free_list): Add assertions to verify the proper distinguishing
5990 between INSN_LISTs and DEPS_LISTs.
5991 (find_list_elem, remove_list_elem, remove_list_node): New static
5993 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5994 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5995 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5996 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5998 (free_INSN_LIST_node): Likewise.
5999 * modulo-sched.c (current_sched_info): Initialize flags field.
6000 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6001 * rtl.def (DEPS_LIST): Define.
6002 * rtl.h: Declare new functions from lists.c.
6003 * sched-deps.c (spec_dependency_cache): New static variable.
6004 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6005 (add_dependence): Change return type to void. Move the logic to ...
6006 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6007 (delete_all_dependences): Add comment about forward_dependency_cache.
6008 Handle spec_dependency_cache. Handle DEPS_LISTs.
6009 (fixup_sched_groups): Clarify the change of priority of output
6010 and anti dependencies.
6011 (sched_analyze_2): Adjust add_dependence calls to create data
6012 speculative dependence.
6013 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6014 Adjust all callers. Handle DEPS_LISTS.
6015 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6016 presence of speculation.
6017 (init_dependency_caches, free_dependency_caches):
6018 Handle spec_dependency_cache.
6019 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6020 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6021 New static functions.
6022 (add_or_update_back_dep, add_or_update_back_forw_dep,
6023 add_back_forw_dep, delete_back_forw_dep): New functions.
6024 * sched-int.h (ds_t, dw_t): New typedefs.
6025 (struct sched_info): Add new field flags.
6026 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6027 Prototype new sched-deps.c functions.
6028 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6029 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6030 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6031 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6032 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6033 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6035 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6037 * sched-rgn.c (current_sched_info): Initialize flags field.
6038 (schedule_insns): Initialize current_sched_info before the sched_init
6040 * sched-ebb.c (current_sched_info): Initialize flags field.
6041 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6042 Call add_or_update_back_dep instead of add_dependence.
6043 Create control speculative dependencies.
6044 (schedule_insns): Initialize current_sched_info before the sched_init
6047 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6049 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6051 (sh_fallback_frame_state): Likewise.
6053 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6055 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6056 Do switch on default_use_cxa_atexit.
6057 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6058 * config/darwin-crt3.o: New.
6059 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6060 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6061 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6063 * config/rs6000/t-darwin: Move crt2.o building to here.
6064 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6065 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6068 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6070 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6071 from '! xxx' to '!xxx' for coding-style conformance.
6072 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6073 (EXTRA_CONSTRAINT): Likewise.
6074 * config/vax/vax.md (four unnamed insns): Likewise.
6076 2006-03-15 Paul Brook <paul@codesourcery.com>
6078 * config/arm/arm.c (minipool_pad): New.
6079 (add_minipool_forward_ref): Include pool alignment padding in address
6081 (push_minipool_fix): Set minipool_pad.
6082 (minipool_pad): Ditto.
6084 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6086 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6087 instead of GET_CODE() == MEM and REG_P() instead of
6089 (print_operand_address): Likewise.
6090 (vax_address_cost): Likewise.
6091 (vax_rtx_costs): Likewise.
6092 (vax_notice_update_cc): Likewise.
6093 (vax_output_int_add): Likewise.
6094 (INDEX_REGISTER_P): Likewise.
6095 (BASE_REGISTER_P): Likewise.
6096 (nonindexed_address_p): Likewise.
6097 (vax_mode_dependent_address_p): Likewise.
6098 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6099 (PRINT_OPERAND): Likewise.
6100 * config/vax/vax.md (ashlsi3): Likewise.
6101 (ashlsi3): Likewise.
6102 (some more unnamed insns): Likewise.
6104 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6106 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6107 iterator-style macro.
6108 (mark_control_dependent_edges_necessary): Update the use of
6109 EXECUTE_IF_CONTROL_DEPENDENT.
6111 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6113 * config/sh/predicates.md (cache_address_operand): Special.
6114 (ua_address_operand): Likewise.
6116 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6118 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6120 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6122 2006-03-15 Andreas Schwab <schwab@suse.de>
6124 * gensupport.c (identify_predicable_attribute): Don't free p_false
6125 when it is still in use.
6127 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6129 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6130 the default setting here.
6132 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6134 * tree-pass.h (pass_cfg): Remove.
6135 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6136 * passes.c (pass_cfg): Don't run it.
6138 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6140 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6141 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6143 (stack_regs_mentioned): Update the uses of
6144 stack_regs_mentioned_data. Don't access the array beyond its
6146 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6147 Don't include gt-reg-stack.h.
6149 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6150 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6152 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6155 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6158 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6160 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6162 2006-03-14 Richard Guenther <rguenther@suse.de>
6164 PR tree-optimization/26672
6165 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6168 2006-03-14 Richard Guenther <rguenther@suse.de>
6170 PR tree-optimization/26667
6171 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6172 node for the callees. Always allow inlining if it will shrink
6175 2006-03-14 Richard Guenther <rguenther@suse.de>
6178 * builtins.c (get_pointer_alignment): Prefer alignment
6179 information from decls over that from types.
6181 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6184 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6186 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6188 * config/rs6000/rs6000.opt (mdlmzb): New option.
6189 (msched-prolog, msched-epilog): Use Var not Mask.
6190 * doc/invoke.texi (-mdlmzb): Document.
6191 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6193 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6194 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6196 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6198 PR rtl-optimization/25739
6199 * bt-load.c (augment_live_range): Free tos pointer.
6201 * gensupport.c (identify_predicable_attribute): Free
6203 * gcov.c (create_file_names): Free name pointer.
6205 2006-03-13 Roger Sayle <roger@eyesopen.com>
6208 * stmt.c (emit_case_nodes): Handle the case where the index is a
6209 CONST_INT, where the comparison mode is specified by the index type.
6211 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6213 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6216 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6218 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6219 (*branch_fp_inverted): Likewise.
6221 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6224 * omp-low.c (expand_omp_for_generic): Mark istart0
6225 and iend0 as addressable.
6227 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6229 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6231 2006-03-13 Jeff Law <law@redhat.com>
6233 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6234 virtual operands are interesting.
6235 (vrp_visit_stmt): Corresponding changes.
6237 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6239 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6241 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6242 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6243 * config/bfin/crti.S: Use it instead of __PIC__.
6244 * config/bfin/crtn.S: Likewise.
6246 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6247 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6249 Lose 'G' modifier for call operand.
6250 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6251 recognize 'G' modifier.
6253 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6256 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6257 * stmt.c (expand_case): Likewise.
6259 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6261 PR rtl-optimization/26254
6262 * loop-invariant.c (seq_insns_valid_p): New function.
6263 (move_invariant_reg): Only emit new code if it is valid.
6265 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6267 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6269 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6270 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6271 (commit_one_edge_insertion): Do not look for loop notes.
6273 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6275 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6276 flag_test_coverage out of loop.
6278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6280 * final.c (shorten_branches): Remove outdated comment, and turn
6281 the if branch that guards it to continue.
6283 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6285 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6286 * cfgloop.h (struct loop): Remove unused fields.
6288 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6290 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6291 (-dL, -fdump-rtl-loop2): Update the dump file names
6293 * doc/invoke.texi: Update dump file names.
6295 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6297 * predict.c (estimate_probability): Remove.
6298 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6299 * basic-block.h (estimate_probability): Remove prototype.
6300 * passes.c (finish_optimization_passes): Dump branch prediction or
6301 profiling heuristics to the .profile tree dump.
6302 (init_optimization_passes): Unqueue pass_branch_prob.
6304 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6306 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6308 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6309 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6311 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6313 * function.h (frame_offset_overflow): Declare.
6314 * function.c (frame_offset_overflow): New function.
6315 (assign_stack_local_1): Call it to detect that the offset overflows.
6316 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6318 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6320 * config/sh/sh.c: Include alloc-pool.h.
6321 (label_ref_list_pool): New alloc pool.
6322 (label_ref_list_t): New type for lists of labels.
6323 (struct pool_node): Make wend a label_ref_list_t.
6324 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6326 (dump_table): Likewise.
6327 (sh_reorg): Set up the alloc pool before using add_constant and
6328 dump_table, and destroy it when finishing.
6330 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6332 * config/mips/mips.c: Remove redundant comment.
6334 2006-03-10 Jason Merrill <jason@redhat.com>
6337 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6338 the target was declared 'register'.
6340 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6342 * genpreds.c (write_insn_constraint_len): Change definition of
6343 insn_constraint_len to return size_t to match the declaration.
6345 2006-03-10 DJ Delorie <dj@redhat.com>
6347 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6349 (m32c_expand_insv): Fix test for an AND mask.
6351 2006-03-10 Richard Guenther <rguenther@suse.de>
6354 * builtins.c (get_pointer_alignment): Handle component
6355 references for field alignment.
6357 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6359 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6360 when building with libgloss.
6361 (sh*elf): Implement --without-fp option.
6362 (sh64-superh-linux*): Don't multilib.
6364 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6366 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6368 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6370 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6371 Set it when one of the replacement functions returned true.
6372 Return TODO_cleanup_cfg if cfgchanged is true.
6373 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6375 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6377 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6378 instead of gen_lowpart.
6380 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6382 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6384 (mips_output_order_conditional_branch): Declare.
6385 * config/mips/mips.h (MIPS_BRANCH): New macro.
6386 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6387 for the comparison. Use gen_condjump.
6388 (mips_output_conditional_branch): Rework interface to take the
6389 asm templates for a direct branch and the inverse of a direct branch.
6390 (mips_output_order_conditional_branch): New function.
6391 (mips_builtin_branch_and_move): New function.
6392 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6393 branch condition. Use gen_single_cc as the condition for
6394 __builtin_mips_upper_* or __builtin_mips_lower_*.
6395 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6396 Use VOIDmode for the branch condition.
6397 * config/mips/predicates.md (order_operator): New predicate.
6398 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6399 (branch_fp): Rename to...
6400 (*branch_fp): ...this. Remove mode from comparison operator.
6401 Use new mips_output_conditional_branch interface.
6402 (branch_fp_inverted): Rename to...
6403 (*branch_fp_inverted): ...this and update as for *branch_fp.
6404 (*branch_zero<mode>): Rename to...
6405 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6406 Use mips_output_order_conditional_branch. Only accept ordered
6408 (*branch_zero<mode>_inverted): Rename to...
6409 (*branch_order<mode>_inverted): ...this and update as for
6410 *branch_order<mode>.
6411 (*branch_equality<mode>): Accept zero as the second operand to
6412 the equality operator. Use the new mips_output_conditional_branch
6414 (*branch_equality<mode>_inverted): Likewise.
6415 (condjump): New expander.
6416 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6418 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6419 (bc1any2t, bc1any2f): Likewise.
6420 (single_cc): New expander.
6421 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6423 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6425 * doc/md.texi: Update documentation of MIPS constraints.
6426 * config/mips/constraints.md: New file.
6427 * config/mips/mips.md: Include it.
6428 * config/mips/mips.c (mips_char_to_class): Delete.
6429 (override_options): Don't initialize mips_char_to_class.
6430 * config/mips/mips.h (mips_char_to_class): Delete.
6431 (REG_CLASS_FROM_LETTER): Delete.
6432 (CONST_OK_FOR_LETTER_P): Delete.
6433 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6434 (EXTRA_CONSTRAINT_Y): Delete.
6435 (EXTRA_CONSTRAINT_STR): Delete.
6436 (CONSTRAINT_LEN): Delete.
6437 (EXTRA_MEMORY_CONSTRAINT): Delete.
6439 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6441 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6442 original fn's eh regions.
6444 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6446 * fold-const.c (build_range_check): Make sure to use a valid type to
6447 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6450 (range_predecessor): New static function.
6451 (range_successor): Likewise.
6452 (merge_ranges): Use them to compute predecessors and successors of
6455 2006-03-09 Roger Sayle <roger@eyesopen.com>
6458 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6459 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6461 2006-03-08 DJ Delorie <dj@redhat.com>
6463 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6464 (addpsi3): Expand to include memory operands. Remove
6465 reload-specific splits.
6466 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6467 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6468 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6469 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6470 (shift1_qi, shift1_hi, insv): New.
6471 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6472 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6473 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6475 * config/m32c/m32c-protos.h: Update as needed.
6476 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6477 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6478 Fail for unrecognized R* constraints.
6479 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6480 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6481 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6483 (m32c_init_libfuncs): New.
6484 (m32c_legitimate_address_p): Add debug wrapper.
6485 (m32c_rtx_costs): New.
6486 (m32c_address_cost): New.
6487 (conversions): Add 'B' prefix.
6488 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6489 operands, or word regnames for QI operands. 'B' prints bit
6491 (m32c_expand_setmemhi): New.
6492 (m32c_expand_movmemhi): New.
6493 (m32c_expand_movstr): New.
6494 (m32c_expand_cmpstr): New.
6495 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6496 (m32c_expand_neg_mulpsi3): Handle non-ints.
6497 (m32c_cmp_flg_0): New.
6498 (m32c_expand_movcc): New.
6499 (m32c_expand_insv): New.
6500 (m32c_scc_pattern): New.
6501 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6502 a0/a1 out of SIregs.
6503 (STORE_FLAG_VALUE): New.
6504 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6507 * config/m32c/mov.md: Make constraints more liberal.
6508 (zero_extendqihi2): Optimize r0/r1 case.
6509 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6510 * config/m32c/predicates.md (m32c_any_operand): New.
6511 (m32c_nonimmediate_operand): New.
6512 (m32c_hl_operand): New.
6513 (m32c_r3_operand): New.
6516 (memsym_operand): New.
6517 (memimmed_operand): New.
6518 (a_qi_operand): New.
6519 (m32c_eqne_operator): New.
6520 (m32c_1bit8_operand): New.
6521 (m32c_1bit16_operand): New.
6522 (m32c_1mask8_operand): New.
6523 (m32c_1mask16_operand): New.
6524 * config/m32c/blkmov.md: New file.
6525 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6527 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6529 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6530 unsigned to fix signed/unsigned comparison issue in
6531 DWARF2_FRAME_REG_OUT.
6532 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6533 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6535 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6536 of ptr into the ENABLE_CHECKING section.
6538 2006-03-08 Jeff Law <law@redhat.com>
6540 * tree-vrp.c (infer_value_range): Only count pointer uses
6541 and dereferences if -fdelete-null-pointer-checks is enabled.
6543 * tree-vrp.c (find_assert_locations): Infer value ranges for
6544 single use pointers, but do not create ASSERT_EXPRs for them.
6545 When a non-null range is inferred for a pointer, backwards
6546 propagate that range to other equivalent pointers through the
6549 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6552 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6553 language hook targets.
6554 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6555 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6556 if language hook targets were missing.
6558 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6560 * tree-ssa-opfinalize.h: Removed.
6561 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6563 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6564 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6565 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6566 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6567 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6568 finalize_ssa_v_must_def_ops): New.
6570 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6572 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6575 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6577 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6579 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6580 addresses with offsets; reorganize.
6582 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6583 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6584 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6586 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6589 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6591 2006-03-08 Ben Elliston <bje@au.ibm.com>
6593 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6595 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6598 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6601 2006-03-07 Richard Guenther <rguenther@suse.de>
6603 PR tree-optimization/26587
6604 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6606 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6608 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6610 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6612 * hooks.c (hook_bool_mode_rtx_true): New function.
6613 * hooks.h (hook_bool_mode_rtx_true): Declare.
6614 * toplev.c (compile_file): Call output_shared_constant_pool.
6615 * varasm.c (shared_constant_pool): New variable.
6616 (assemble_start_function, assemble_end_function): Remove arguments
6617 from call to output_constant_pool.
6618 (create_constant_pool): New function, split out from...
6619 (init_varasm_status): ...here.
6620 (force_const_mem): Choose between the shared and per-function constant
6621 pools. Set current_function_uses_const_pool when reusing old entries
6622 as well as when creating new ones.
6623 (mark_constant): Ignore data argument.
6624 (mark_constants): Remove pool argument.
6625 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6626 to decide whether the function uses a constant pool.
6627 (output_constant_pool_contents): New function, split out from...
6628 (output_constant_pool): ...here.
6629 (output_shared_constant_pool): New function.
6630 (init_varasm_once): Initialize shared_constant_pool.
6631 * output.h (output_constant_pool): Delete.
6632 (output_shared_constant_pool): Declare.
6633 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6634 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6636 2006-03-06 Nick Clifton <nickc@redhat.com>
6638 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6639 flag_strength_reduce.
6641 2006-03-06 Ben Elliston <bje@au.ibm.com>
6643 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6644 x86_64-*-linux* configurations.
6646 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6647 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6649 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6651 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6653 * basic-block.h: Remove the extern for
6654 rediscover_loops_after_threading.
6656 * cfgloop.c (cancel_loop): Make it static.
6657 * cfgloop.h: Remove the prototype for cancel_loop.
6659 * flow.c (recompute_reg_usage): Make it static.
6660 * rtl.h: Remove the prototype for recompute_reg_usage.
6662 * function.c (use_return_register): Make it static.
6663 * function.h: Remove the prototype.
6665 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6667 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6669 * recog.h: Remove the prototype for
6670 validate_change_maybe_volatile.
6672 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6674 * rtlanal.c (replace_reg): Remove.
6675 * rtl.h: Remove the prototype for replace_reg.
6677 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6679 * regclass.c (reg_scan_update): Remove.
6680 (reg_scan_mark_refs): Remove the last argument.
6681 * rtl.h: Remove the prototype for reg_scan_update.
6683 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6685 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6686 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6687 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6688 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6689 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6690 loop-invariant.c, omp-low.c, opts.c, passes.c,
6691 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6692 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6693 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6694 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6695 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6696 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6700 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6701 * dwarf2out.h: Remove the prototype for
6702 dwarf2out_add_library_unit_info.
6704 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6706 * tree.c (add_var_to_bind_expr): Remove.
6707 * tree.h: Remove the prototype for add_var_to_bind_expr.
6709 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6711 * regclass.c (n_non_fixed_regs): Remove.
6712 (init_reg_sets_1, globalize_reg): Remove all uses of
6714 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6716 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6718 * rtlanal.c (insns_safe_to_move_p): Remove.
6719 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6721 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6723 * expmed.c (expand_mult_add): Remove.
6724 * expr.h: Remove the prototype for expand_mult_add.
6726 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6728 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6729 and REG_SAVED_VAL_EXP constants.
6730 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6731 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6732 Handle regs stored by value.
6733 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6734 (execute_cfa_program): Handle DW_CFA_val_offset,
6735 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6736 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6737 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6738 (uw_install_context_1): Handle target regs stored by value.
6740 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6742 * tree-sra.c (tree_sra): Return todoflags;
6743 (generate_one_element): Set TODO_update_smt_usage if needed.
6744 (pass_sra): Remove TODO_update_smt_usage.
6745 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6747 (tree_ssa_forward_propagate_single_use_vars): Return
6748 TODO_update_smt_usage if we need to update SMT usage.
6749 (pass_forwprop): Remove TODO_update_smt_usage.
6751 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6753 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6754 (correct_use_link): Remove reference to get_stmt_operands.
6755 (update_stmt_operands): Likewise.
6756 (get_modify_expr_operands): New function factored out of
6757 parse_ssa_operands and get_expr_operands.
6758 Try to create V_MUST_DEFs for LHS by default.
6759 (get_expr_operands) <case MODIFY_EXPR>: Call
6760 get_modify_expr_operands.
6761 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6762 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6763 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6764 get_modify_expr_operands.
6766 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6768 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6769 * tree-flow.h: Remove the prototype for
6770 referenced_var_lookup_if_exists.
6772 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6774 PR rtl-optimization/26345
6776 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6778 2006-03-03 Roger Sayle <roger@eyesopen.com>
6780 PR tree-optimization/26524
6781 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6782 fold_convert to create a constant of the appropriate type.
6784 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6786 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6787 SYMBOL_REF_IN_BLOCK_P.
6788 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6789 of SYMBOL_FLAG_IN_BLOCK.
6790 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6791 instead of SYMBOL_REF_IN_BLOCK_P.
6792 * explow.c (use_anchored_address): Likewise.
6793 * rtl.c (rtx_size): Likewise.
6794 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6795 instead of SYMBOL_FLAG_IN_BLOCK.
6796 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6797 SYMBOL_REF_IN_BLOCK_P.
6798 (assemble_variable): Likewise.
6799 (output_constant_def_contents): Likewise.
6800 (output_constant_pool): Likewise.
6801 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6802 instead of SYMBOL_FLAG_IN_BLOCK.
6803 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6804 SYMBOL_REF_IN_BLOCK_P.
6805 (SYMBOL_REF_BLOCK): Likewise.
6806 (SYMBOL_REF_OFFSET): Likewise.
6807 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6808 SYMBOL_REF_IN_BLOCK_P.
6809 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6810 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6811 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6812 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6814 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6816 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6818 2006-03-02 Roger Sayle <roger@eyesopen.com>
6820 * simplify-rtx.c (simplify_unary_operation): When simplifying
6821 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6822 that we perform the right shift in the appropriate mode, and
6823 then extend or truncate the result to requested mode.
6825 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6827 * gengtype.c (main): Handle double_int type.
6828 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6829 * double-int.c: New file.
6830 * double-int.h: New file.
6831 * system.h: Include doubleint.h.
6832 * Makefile.in (SYSTEM_H): Include double-int.h.
6833 (double-int.o): Add.
6835 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6838 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6841 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6843 * tree-vrp.c (remove_range_assertions): Do not update statements
6846 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6848 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6850 * gcse.c (rest_of_handle_gcse): Ditto.
6851 * except.c (gate_handle_eh): Ditto.
6852 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6853 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6855 2006-03-02 Eric Christopher <echristo@apple.com>
6857 * config/i386/i386.c (machopic_output_stub): Add indirection to
6860 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6864 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6866 Sun Niagara specific optimizations.
6867 * config.gcc: Recognize niagara as target.
6868 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6869 (TARGET_CPU_niagara): Define.
6870 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6871 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6872 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6873 (ASM_CPU_SPEC): Likewise.
6874 (PROCESSOR_NIAGARA): New enum entry.
6875 (REGISTER_MOVE_COST): Handle Niagara.
6876 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6877 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6878 (sparc_override_options): Recognize "niagara", set appropriate
6879 default MASK_* values for it, and align functions to 32-bytes
6880 by default just like ULTRASPARC/ULTRASPARC3.
6881 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6882 (sparc64_initialize_trampoline): Likewise.
6883 (sparc_use_sched_lookahead): Use zero for niagara.
6884 (sparc_issue_rate): Use one for niagara.
6885 * config/sparc/niagara.md: New file.
6886 * config/sparc/sparc.md: Include it.
6887 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6888 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6889 when default cpu is niagara.
6890 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6891 (ASM_CPU_SPEC): Likewise.
6892 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6893 when default cpu is niagara.
6894 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6895 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6896 just like v9/ultrasparc/ultrasparc3.
6897 * doc/invoke.texi: Add documentation for "niagara" and improve
6898 existing documentation for ultrasparc variants.
6900 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6902 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6904 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6906 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6907 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6908 and say that only one is needed.
6909 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6910 * target.h (have_switchable_bss_sections): New hook.
6911 * explow.c (use_anchored_address): Check that the symbol is in a block.
6912 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6913 (bss_noswitch_section): New variables.
6914 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6915 (get_noswitch_section): New function.
6916 (get_block_for_section): Allow SECT to be null.
6917 (unlikely_text_section_p): Use SECTION_STYLE.
6918 (bss_initializer_p): New function.
6919 (get_variable_section): Move earlier in file. Take a new argument,
6920 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6921 Return one of the new *_sections in such cases.
6922 (get_block_for_decl): New function, extracting some logic from
6923 use_blocks_for_decl_p.
6924 (change_symbol_section): Remove in favor of...
6925 (change_symbol_block): ...this new function.
6926 (use_blocks_for_decl_p): Remove checks now performed by
6928 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6929 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6930 (emit_local, emit_bss, emit_common): ...these new functions.
6931 Return true if the alignment was honored.
6932 (emit_tls_common): New function.
6933 (asm_emit_uninitialised): Delete.
6934 (assemble_variable_noswitch): New function, split out from...
6935 (assemble_variable): ...here. Don't make decisions about common
6936 variables here. Globalize all public decls that go into non-common
6937 sections. Check whether SYMBOL_REF_BLOCK is null.
6938 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6939 (output_constant_pool): Likewise.
6940 (init_varasm_once): Initialize the new section variables.
6941 (have_global_bss_p): New function.
6942 (categorize_decl_for_section): Use bss_initializer_p.
6943 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6944 (place_block_symbol): Assert that the symbol must be in a block.
6945 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6946 (TARGET_INITIALIZER): Include it.
6947 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6948 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6949 (SECTION_MACH_DEP): Bump by two.
6950 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6951 (unnamed_section): Mention SECTION_UNNAMED in comment.
6952 (named_section): Likewise SECTION_NAMED.
6953 (noswitch_section_callback): New type.
6954 (noswitch_section): New structure.
6955 (section): Add a noswitch_section alternative.
6956 (SECTION_STYLE): New macro.
6957 (tls_comm_section, comm_section, lcomm_section): Declare.
6958 (bss_noswitch_section, have_global_bss_p): Declare.
6959 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6960 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6962 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6963 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6966 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6968 * tree-vrp.c (execute_vrp): Return value.
6969 * regrename.c (rest_of_handle_regrename): Ditto.
6970 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6971 * tree-complex.c (tree_lower_complex): Ditto.
6972 (tree_lower_complex_O0): Ditto.
6973 * tracer.c (rest_of_handle_tracer): Ditto.
6974 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6975 * postreload.c (rest_of_handle_postreload): Ditto.
6976 * tree-tailcall.c (execute_tail_recursion): Ditto.
6977 (execute_tail_calls): Ditto.
6978 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6979 * tree.h (init_function_for_compilation): Ditto.
6980 * ipa-cp.c (ipcp_driver): Ditto.
6981 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6982 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6983 * final.c (compute_alignments): Ditto.
6984 (rest_of_handle_final): Ditto.
6985 (rest_of_handle_shorten_branches): Ditto.
6986 (rest_of_clean_state): Ditto.
6987 * omp-low.c (execute_expand_omp): Ditto.
6988 (execute_lower_omp): Ditto.
6989 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6990 * ipa-reference.c (static_execute): Ditto.
6991 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6992 * reorg.c (rest_of_handle_delay_slots): Ditto.
6993 (rest_of_handle_machine_reorg): Ditto.
6994 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6995 * flow.c (recompute_reg_usage): Ditto.
6996 (rest_of_handle_remove_death_notes): Ditto.
6997 (rest_of_handle_life): Ditto.
6998 (rest_of_handle_flow2): Ditto.
6999 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7000 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7001 (do_ssa_store_ccp): Ditto.
7002 (execute_fold_all_builtins): Ditto.
7003 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7004 * modulo-sched.c (rest_of_handle_sms): Ditto.
7005 * ipa-pure-const.c (static_execute): Ditto.
7006 * cse.c (rest_of_handle_cse): Ditto.
7007 (rest_of_handle_cse2): Ditto.
7008 * web.c (rest_of_handle_web): Ditto.
7009 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7010 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7011 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7012 * tree-nrv.c (tree_nrv): Ditto.
7013 (execute_return_slot_opt): Ditto.
7014 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7015 (create_structure_vars): Ditto.
7016 * loop-init.c (rtl_loop_init): Ditto.
7017 (rtl_loop_done): Ditto.
7018 (rtl_move_loop_invariants): Ditto.
7019 (rtl_unswitch): Ditto.
7020 (rtl_unroll_and_peel_loops): Ditto.
7021 (rtl_doloop): Ditto.
7022 * gimple-low.c (lower_function_body): Ditto.
7023 (mark_used_blocks): Ditto.
7024 * tree-ssa-sink.c (execute_sink_code): Ditto.
7025 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7026 (cgraph_early_inlining): Ditto.
7027 * global.c (rest_of_handle_global_alloc): Ditto.
7028 * jump.c (cleanup_barriers): Ditto.
7029 (purge_line_number_notes): Ditto.
7030 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7031 (rest_of_handle_if_after_reload): Ditto.
7032 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7033 (tree_ssa_loop_im): Ditto.
7034 (tree_ssa_loop_unswitch): Ditto.
7035 (tree_vectorize): Ditto.
7036 (tree_linear_transform): Ditto.
7037 (tree_ssa_loop_ivcanon): Ditto.
7038 (tree_ssa_empty_loop): Ditto.
7039 (tree_ssa_loop_bounds): Ditto.
7040 (tree_complete_unroll): Ditto.
7041 (tree_ssa_loop_prefetch): Ditto.
7042 (tree_ssa_loop_ivopts): Ditto.
7043 (tree_ssa_loop_done): Ditto.
7044 * predict.c (tree_estimate_probability): Ditto.
7045 * recog.c (split_all_insns_noflow): Ditto.
7046 (rest_of_handle_peephole2): Ditto.
7047 (rest_of_handle_split_all_insns): Ditto.
7048 * tree-eh.c (lower_eh_constructs): Ditto.
7049 * regmove.c (rest_of_handle_regmove): Ditto.
7050 (rest_of_handle_stack_adjustments): Ditto.
7051 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7052 * function.c (instantiate_virtual_regs): Ditto.
7053 (init_function_for_compilation): Ditto.
7054 (rest_of_handle_check_leaf_regs): Ditto.
7055 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7056 (rest_of_handle_gcse): Ditto.
7057 * ipa-type-escape.c (type_escape_execute): Ditto.
7058 * alias.c (rest_of_handle_cfg): Ditto.
7059 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7060 * profile.c (rest_of_handle_branch_prob): Ditto.
7061 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7062 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7063 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7064 * tree-dfa.c (find_referenced_vars): Ditto.
7065 * except.c (set_nothrow_function_flags): Ditto.
7066 (convert_to_eh_region_ranges): Ditto.
7067 (rest_of_handle_eh): Ditto.
7068 * emit-rtl.c (unshare_all_rtl): Ditto.
7069 (remove_unnecessary_notes): Ditto.
7070 * except.h (set_nothrow_function_flags): Ditto.
7071 (convert_to_eh_region_ranges): Ditto.
7072 * cfgexpand.c (tree_expand_cfg): Ditto.
7073 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7074 * tree-ssa-pre.c (do_pre): Ditto.
7075 (execute_fre): Ditto.
7076 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7077 (rest_of_handle_jump2): Ditto.
7078 * tree-sra.c (tree_sra): Ditto.
7079 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7080 (execute_mudflap_function_decls): Ditto.
7081 * tree-ssa-copy.c (do_copy_prop): Ditto.
7082 (do_store_copy_prop): Ditto.
7083 * ipa-prop.h (ipcp_driver): Ditto.
7084 * cfglayout.c (insn_locators_initialize): Ditto.
7085 * tree-ssa-forwprop.c
7086 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7087 * cfglayout.h (insn_locators_initialize): Ditto.
7088 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7089 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7090 (execute_late_warn_uninitialized): Ditto.
7091 * rtl.h (cleanup_barriers): Ditto.
7092 (split_all_insns_noflow): Ditto.
7093 (purge_line_number_notes): Ditto.
7094 (unshare_all_rtl): Ditto.
7095 (remove_unnecessary_notes): Ditto.
7096 (recompute_reg_usage): Ditto.
7097 (variable_tracking_main): Ditto.
7098 * integrate.c (emit_initial_value_sets): Ditto.
7099 * integrate.h (emit_initial_value_sets): Ditto.
7100 * tree-optimize.c (execute_free_datastructures): Ditto
7101 (execute_free_cfg_annotations): Ditto.
7102 (execute_fixup_cfg): Ditto.
7103 (execute_cleanup_cfg_pre_ipa): Ditto.
7104 (execute_cleanup_cfg_post_optimizing): Ditto.
7105 (execute_init_datastructures): Ditto.
7106 * tree-object-size.c (compute_object_sizes): Ditto.
7107 * combine.c (rest_of_handle_combine): Ditto.
7108 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7109 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7110 (rest_of_handle_reorder_blocks): Ditto.
7111 (rest_of_handle_partition_blocks): Ditto.
7112 * var-tracking.c (variable_tracking_main): Ditto.
7113 * tree-profile.c (tree_profiling): Ditto.
7114 * tree-vect-generic.c (expand_vector_operations): Ditto.
7115 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7116 * sched-rgn.c (rest_of_handle_sched): Ditto.
7117 (rest_of_handle_sched2): Ditto.
7118 * basic-block.h (free_bb_insn): Ditto.
7119 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7120 * tree-cfg.c (execute_build_cfg): Ditto.
7121 (remove_useless_stmts): Ditto.
7122 (split_critical_edges): Ditto.
7123 (execute_warn_function_return): Ditto.
7124 (execute_warn_function_noreturn): Ditto.
7125 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7126 * cfgrtl.c (free_bb_for_insn): Ditto.
7127 * passes.c (execute_one_pass): Run additional
7128 todos returned by execute function.
7129 * tree-pass.h (struct tree_opt_pass): Make execute
7132 2006-03-02 Richard Guenther <rguenther@suse.de>
7134 * tree-ssa-alias.c (find_used_portions): Consider taking
7135 the address as making the variable not write-only.
7137 2006-03-02 Nick Clifton <nickc@redhat.com>
7139 * config.gcc (default_use_cxa_atexit): Extend the description of
7140 this configure variable. Set its default value to "yes" for
7141 Linux, NetBSD and ELF targets on the assumption that they will
7142 use C libraries with the __cxa_atexit function.
7144 2006-03-02 Ben Elliston <bje@au.ibm.com>
7146 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7147 parameter as unused to suppress a build warning.
7149 2006-03-02 Ben Elliston <bje@au.ibm.com>
7151 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7154 2006-03-01 Roger Sayle <roger@eyesopen.com>
7157 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7158 declared name, the weak reference name, and the typeof name.
7159 (__gthrw): Avoid expanding the declared name suffix.
7160 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7162 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7164 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7166 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7167 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7168 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7169 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7170 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7171 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7172 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7173 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7174 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7175 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7176 (DW_END_default, DW_END_big, DW_END_little): New.
7177 (DW_END_lo_user, DW_END_hi_user): Define.
7178 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7179 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7180 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7185 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7187 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7189 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7191 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7193 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7194 to 'symbol_mem_tag'.
7196 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7199 2006-03-01 Roger Sayle <roger@eyesopen.com>
7201 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7203 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7206 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7207 MACHO_DYNAMIC_NO_PIC_P.
7208 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7210 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7213 * config/darwin-protos.h (darwin_asm_output_anchor):
7215 * config/darwin-sections.def (cstring_section):
7216 Add SECTION_MERGE to the flags.
7217 (literal4_section): Likewise.
7218 (literal8_section): Likewise.
7219 (objc_selector_refs_section): Likewise.
7220 (objc_cls_refs_section): Likewise.
7221 * config/darwin.c (darwin_asm_output_anchor): New
7223 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7225 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7227 Fix PR tree-optimization/26443
7228 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7229 to todo and PROP_tmt_usage to properties_destroyed.
7230 * tree-ssa-ccp.c (pass_ccp): Ditto.
7231 (pass_store_ccp): Ditto.
7232 * tree-ssa-dom.c (pass_dominator): Ditto.
7234 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7236 * tree-ssa-operands.c: Cleanup whitespace.
7237 (get_asm_expr_operands): Move before first invocation.
7238 (get_indirect_ref_operands): Likewise.
7239 (get_tmr_operands): Likewise.
7240 (get_call_expr_operands): Likewise.
7241 (append_def): Likewise.
7242 (append_use): Likewise.
7243 (append_v_may_def): Likewise.
7244 (append_v_must_def): Likewise.
7245 (add_call_clobber_ops): Likewise.
7246 (add_call_read_ops): Likewise.
7247 (add_stmt_operand): Likewise.
7248 (add_virtual_operand): Likewise.
7249 (build_ssa_operands): Likewise.
7251 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7256 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7257 with a call expr to ...
7258 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7260 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7262 * tree-vrp.c (extract_range_from_assert): Remove special
7263 handling for types with super-types.
7265 2006-03-01 Ben Elliston <bje@au.ibm.com>
7267 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7268 and powerpc64-*-linux* configurations.
7269 * config/t-dfprules: New file.
7271 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7272 Compile dfp-bit.c from the source directory using -DWIDTH and
7273 $DFP_CFLAGS to control the compilation of that file, rather than
7274 generating width-specific versions in the build directory.
7275 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7276 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7278 2006-02-28 Zack Weinberg <zackw@panix.com>
7280 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7283 2006-02-28 Eric Christopher <echristo@apple.com>
7285 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7286 Set up IN_LIBGCC definition of TARGET_64BIT.
7287 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7289 2006-02-28 Roger Sayle <roger@eyesopen.com>
7292 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7293 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7294 cases via the construction of "expr != 0".
7296 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7298 * alias.c (alias_invariant, alias_invariant_size): Remove.
7299 (record_base_value): Remove.
7300 (memrefs_conflict_p): Don't look at alias_invariant.
7301 (end_alias_analysis): Don't free it.
7302 * alias.h (record_base_value): Remove prototype.
7304 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7305 Adam Nemet <anemet@caviumnetworks.com>
7307 * rtl.h (truncated_to_mode): Declare it.
7308 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7309 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7310 (RTL_HOOKS_INITIALIZER): Include it.
7311 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7312 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7313 reg_truncated_to_mode.
7314 * rtlanal.c (truncated_to_mode): Define it.
7315 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7317 2006-02-28 Jeff Law <law@redhat.com>
7319 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7320 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7321 the range allowed by TYPE_PRECISION.
7323 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7325 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7327 PR tree-optimization/26419
7328 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7331 2006-02-27 Zack Weinberg <zackw@panix.com>
7333 * doc/md.texi: Fix typo in previous change.
7335 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7339 2006-02-27 Zack Weinberg <zackw@panix.com>
7341 * rtl.def (define_constraint, define_register_constraint)
7342 (define_memory_constraint, define_address_constraint): New MD forms.
7343 * gensupport.c (process_rtx): Put define_constraint etc on the
7345 * genpreds.c (process_define_predicate): Adjust comment. Validate
7346 the name, and call validate_exp to validate the expression.
7347 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7348 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7349 all callers changed.
7350 (validate_exp, needs_variable, struct constraint_data)
7351 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7352 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7353 (const_dbl_constraints, constraint_max_namelen)
7354 (have_register_constraints, have_memory_constraints)
7355 (have_address_constraints, have_address_constraints)
7356 (have_extra_constraints, have_const_int_constraints)
7357 (have_const_dbl_constraints, mangle, add_constraint)
7358 (process_define_constraint, process_define_register_constraint)
7359 (write_enum_constraint_num, write_lookup_constraint)
7360 (write_insn_constraint_len, write_regclass_for_constraint)
7361 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7362 (write_insn_extra_memory_constraint)
7363 (write_insn_extra_address_constraint)
7364 (write_satisfies_constraint_fns): New.
7365 (write_tm_preds_h): If we have new-style constraint definitions,
7366 prototype the functions generated from them, and define the
7367 old constraint interface (still used by generic code) in terms of
7369 (write_insn_preds_c): If we have new-style constraint definitions,
7370 generate all relevant functions from those definitions.
7371 (main): Handle define_constraint etc.
7372 * genoutput.c (struct constraint_data, indep_constraints)
7373 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7374 (mdep_constraint_len): New data structures and functions, defined
7375 #ifdef USE_MD_CONSTRAINTS.
7376 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7377 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7378 use new logic to validate operand constraints against constraint
7380 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7382 * defaults.h: If none of the old-style constraint macros are
7383 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7384 old-style macros; and poison REG_CLASS_FROM_LETTER,
7385 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7387 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7388 * doc/md.texi: Document new constraint-definition mechanism and the
7389 C interface it provides. Remove references to old mechanism
7390 elsewhere in the document.
7391 (Machine Constraints): Use pathnames relative to gcc directory,
7392 i.e. config/ARCH/FILE. Change i386 section to refer to
7393 config/i386/predicates.md; update that section to match docstrings.
7394 * doc/tm.texi: Move all documentation of the old constraint-
7395 definition macros to their own section, clearly mark as obsolete.
7397 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7398 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7400 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7401 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7402 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7404 (splits and peepholes): Use satisfies_constraint_*.
7405 * config/i386/i386.c (memory_address_length)
7406 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7408 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7410 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7411 scalar operation to be put back into the loop.
7413 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7416 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7417 (extract_cie_info): Handle S flag in augmentation string.
7418 (execute_cfa_program): If context->signal_frame, execute also
7419 fs->pc == context->ra instructions.
7420 (uw_frame_state_for): If context->signal_frame, don't subtract one
7421 from context->ra to find FDE.
7422 (uw_update_context_1): Set context->signal_frame to
7424 (_Unwind_GetIPInfo): New function.
7425 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7426 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7428 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7429 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7430 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7431 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7432 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7433 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7434 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7435 x86_64_fallback_frame_state): Set fs->signal_frame.
7436 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7437 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7438 (frob_update_context): Likewise. Workaround missing S flag in
7439 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7440 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7441 Remove the psw_addr + 1 hack.
7443 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7445 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7446 with aggregates here.
7447 (find_func_aliases): Remove code for &<aggregate> from here.
7449 2006-02-26 Roger Sayle <roger@eyesopen.com>
7451 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7452 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7453 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7456 2006-02-26 Roger Sayle <roger@eyesopen.com>
7459 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7461 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7463 * opts.c (decode_options): Do not handle flag_strength_reduce.
7464 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7465 and OPT_fstrength_reduce.
7466 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7467 flag_prefetch_loop_arrays for being nonzero.
7468 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7470 (fprefetch-loop-arrays-rtl): Removed.
7471 (flag_prefetch_loop_arrays): Do not specify the value.
7473 * doc/passes.texi: Update documentation of loop optimizer
7475 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7476 -frerun-loop-opt): Remove.
7478 2006-02-26 Richard Guenther <rguenther@suse.de>
7480 PR tree-optimization/26421
7481 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7482 in function calls that are ADDR_EXPRs as using the whole structure.
7484 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7486 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7487 * tree-pass.h (pass_loop_optimize): Remove.
7488 * passes.c (pass_loop_optimize): Never run it.
7489 * toplev.c (backend_init): Don't call init_loop.
7490 * opts.c (flag_loop_optimize_set): Remove.
7491 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7492 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7493 the old RTL loop optimizer when profiling enabled.
7494 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7495 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7496 pre-headers for the sake of the old RTL loop optimizer.
7497 * Makefile.in: Remove all references to loop.o.
7499 * doc/invoke.texi: Remove all references to -floop-optimize
7500 and -frerun-loop-opt.
7502 2006-02-26 Zack Weinberg <zackw@panix.com>
7504 * doc/md.texi (Machine Constraints): Refer to all files with paths
7505 relative to gcc directory (i.e. config/CPU/file). Add missing
7506 @table @code ... @end table to M32C subsection.
7508 2006-02-26 Roger Sayle <roger@eyesopen.com>
7510 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7512 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7514 2006-02-26 Roger Sayle <roger@eyesopen.com>
7515 James A. Morrison <phython@gcc.gnu.org>
7518 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7519 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7520 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7521 signedness of the shift operation.
7523 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7525 PR tree-optimization/26359
7526 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7528 2006-02-25 Roger Sayle <roger@eyesopen.com>
7530 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7531 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7532 as X == 0, and some symmetry related transformations.
7533 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7535 2006-02-25 Roger Sayle <roger@eyesopen.com>
7538 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7539 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7540 symmetry related transformations. Fold (X^C1) == C2 as
7543 2006-02-25 Juergen Weigert <jw@suse.de>
7544 Richard Guenther <rguenther@suse.de>
7546 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7548 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7550 * combine.c (gen_lowpart_or_truncate): Call
7551 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7553 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7555 * doc/invoke.texi: Move -fopenmp description to "Options for
7557 Remove reference to -lgomp.
7559 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7561 * doc/install.texi: Require GNU tar version 1.14.
7563 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7565 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7566 * doc/invoke.texi (C++ Dialect Options): Document
7567 -fno-use-cxa-get-exception-ptr.
7568 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7569 * configure: Regenerate.
7570 * c.opt (fuse-cxa-get-exception-ptr): New.
7571 * c-opts.c (c_common_handle_option): Handle
7572 OPT_fuse_cxa_get_exception_ptr.
7573 * c-common.c (flag_use_cxa_atexit): Update documentation.
7574 (flag_use_cxa_get_exception_ptr): New.
7575 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7576 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7578 (C_COMMON_OVERRIDE_OPTIONS): New.
7580 2006-02-24 Roger Sayle <roger@eyesopen.com>
7583 * combine.c (try_combine): Explicitly check whether GET_CODE is
7584 a SET or a CLOBBER, instead on checking that it isn't a USE.
7586 2006-02-24 Roger Sayle <roger@eyesopen.com>
7588 * fold-const.c (fold_comparison): New subroutine of fold_binary
7589 containing transformations common to both the equality and
7590 ordering relational operators, factored out of fold_binary.
7591 (fold_binary): Separate out the equality operators (EQ_EXPR
7592 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7593 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7594 transformations common to both.
7595 (fold_div_compare): Fix latent bugs in the previously unreachable
7596 LT_EXPR and GE_EXPR cases.
7598 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7600 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7601 decl libname for clog to __clog on AIX.
7603 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7605 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7608 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7609 output traceback table for thunks. Localise rs6000_stack_info call.
7611 2006-02-23 Roger Sayle <roger@eyesopen.com>
7612 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7614 * gthr-posix.h (__gthrw): Fix typo in comment.
7616 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7618 * doc/cpp.texi (Character sets): Document that we do support
7619 input files to be in any character set.
7621 2006-02-23 Jeff Law <law@redhat.com>
7623 * tree.h (PHI_ARG_NONZERO): Remove.
7624 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7625 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7626 node to the new node.
7628 PR tree-optimization/26425
7629 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7630 min/max, then assume its varying.
7632 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7634 PR rtl-optimization/26316
7635 * rtlanal.c (enum may_trap_p_flags): New.
7636 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7637 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7638 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7639 (may_trap_after_code_motion_p): New function.
7640 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7641 (find_invariant_insn): Use may_trap_after_code_motion_p.
7642 * rtl.h (may_trap_after_code_motion_p): Declare.
7644 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7646 * emit-rtl.c (immed_double_const): Cleanup.
7648 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7650 Fix PR tree-optimization/26376
7651 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7654 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7657 * gimplify.c (omp_add_variable): Guard variable size decl test with
7658 DECL_SIZE (decl) check.
7660 2006-02-23 Richard Guenther <rguenther@suse.de>
7663 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7664 like aggregate types.
7666 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7668 * configure.ac: Add --with{,out}-long-double-128 configure option.
7669 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7670 * configure: Rebuilt.
7671 * config.in: Rebuilt.
7672 * doc/install.texi (Options specification): Document
7673 --with-long-double-128.
7675 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7676 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7677 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7678 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7680 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7682 * config/s390/s390.c (override_options): Handle
7683 TARGET_DEFAULT_LONG_DOUBLE_128.
7685 * config/alpha/alpha.c (override_options): Handle
7686 TARGET_DEFAULT_LONG_DOUBLE_128.
7688 * config/sparc/sparc.c (sparc_override_options): Handle
7689 TARGET_DEFAULT_LONG_DOUBLE_128.
7691 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7693 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7694 (real-install-headers-tar, real-install-headers-cpio)
7695 (real-install-headers-cp): New targets.
7697 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7699 * tree.h (variable_section): Delete.
7700 * varasm.c (variable_section): Delete.
7702 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7704 * install.texi: Add notes on install.texi2html.
7705 (Building in parallel): Do not use footnotes.
7707 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7710 * doc/install.texi (Configuration): Document --disable-libgomp.
7712 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7714 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7716 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7718 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7719 (vec_extractv2df_0_sse): New.
7721 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7723 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7724 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7725 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7726 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7727 to the result of the expression.
7728 (def_cfa_1): Adjust.
7729 (frame_pointer_cfa_offset): Rename to...
7730 (frame_pointer_fb_offset): ... this. Adjust all uses.
7731 (convert_cfa_to_loc_list): Rename to...
7732 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7733 Pass it on to build_cfa_loc.
7734 (compute_frame_pointer_to_cfa_displacement): Rename to...
7735 (compute_frame_pointer_to_fb_displacement): ... this. New
7736 offset parameter. Use it in computation.
7737 (gen_subprogram_die): Compute cfa_fb_offset with the new
7738 macro, and use it to compute the fb loc list and the
7741 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7743 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7744 replaced with register_operand.
7745 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7746 non-DREG is expensive.
7747 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7748 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7751 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7753 * doc/install.texi2html: Use set -e.
7755 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7757 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7758 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7759 * doc/invoke.texi (-fshared-data): Delete.
7760 * common.opt (fshared-data): Delete.
7761 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7762 (assemble_static_space): Remove #if 0 code.
7763 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7764 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7765 * config/cris/cris.h: Remove FIXME.
7767 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7769 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7772 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7775 * combine.c (simplify_shift_const_1): Disable nested shifts
7776 optimization for vector shifts.
7778 2006-02-20 Roger Sayle <roger@eyesopen.com>
7780 PR tree-optimization/26361
7781 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7782 of unsigned integer types.
7784 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7786 * tree-chrec.c (eq_evolutions_p): New.
7787 * tree-chrec.h (eq_evolutions_p): Declared.
7788 * tree-data-ref.c: Fix formatting.
7789 (datadep_stats, dependence_stats): New.
7791 (print_direction_vector): New.
7792 (dump_data_dependence_relation): Use print_direction_vector.
7793 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7794 (compute_subscript_distance): Static.
7795 (initialize_data_dependence_relation): Static. Get the number
7796 of loops surrounding the references from the callers, and initialize
7797 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7798 base_object_differ_p analyzers.
7799 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7800 compute_overlap_steps_for_affine_1_2,
7801 analyze_subscript_affine_affine): Count the classified dependences.
7802 Print a message when a test failed.
7803 (can_use_analyze_subscript_affine_affine): New.
7804 (analyze_siv_subscript): Compute the data dependences on symbolic
7805 scevs that verify can_use_analyze_subscript_affine_affine.
7806 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7807 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7808 Handle symbolic scevs.
7809 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7811 (subscript_dependence_tester): Moved...
7812 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7813 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7814 DDR_SIZE_VECT instead of getting it in parameter.
7815 (subscript_dependence_tester): ... here. Take as a parameter
7816 loop_nest_depth. Call build_classic_dist_vector and
7817 build_classic_dir_vector.
7818 (compute_affine_dependence): Update subscript_dependence_tester
7819 parameters. Update datadep_stats counters. Call
7820 compute_subscript_distance.
7821 (compute_self_dependence): Save the dist and dir vectors. Call
7822 compute_subscript_distance.
7823 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7824 (compute_all_dependences): Reorder parameters as they were before
7825 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7826 compute_subscript_distance. Update the use of
7827 compute_affine_dependence and initialize_data_dependence_relation.
7828 (find_data_references_in_loop): Handle COMPONENT_REF.
7829 (compute_data_dependences_for_loop): Initialize dependence_stats.
7830 Don't call build_classic_dist_vector and build_classic_dir_vector.
7831 Update the parameters of initialize_data_dependence_relation and
7832 compute_all_dependences. Print the statistics from datadep_stats.
7833 (analyze_all_data_dependences): Static. Not used until the pass for
7834 checking the data dependences is contributed.
7835 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7836 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7837 (initialize_data_dependence_relation, compute_affine_dependence,
7838 analyze_all_data_dependences, compute_subscript_distance): Removed.
7839 (print_direction_vector): New.
7840 * lambda.h (gcd): ... here.
7841 (lambda_vector_gcd): Moved here from gcd_vector.
7842 * lambda-code.c (gcd, gcd_vector): Removed.
7843 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7844 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7846 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7848 * ipa-type-escape.c: Tidy some comments and white space.
7849 * tree-ssa-operands.c: Likewise.
7851 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7854 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7855 (dump_decl_name): Do not walk the decl tree chains.
7856 * tree-pass.h (TDF_CHAIN): Remove.
7858 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7860 * Makefile.in (C): Remove
7862 (.PHONY): Remove C and PROTO
7864 2006-02-20 Roger Sayle <roger@eyesopen.com>
7867 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7868 deprecated CHAR_TYPE tree code.
7870 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7872 * configure.ac (target_list): Add install-info, dvi, html.
7873 * configure: Regenerate.
7875 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7876 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7877 treelang/Make-lang.in: Do not use double-colon rules.
7879 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7881 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7882 (TMT_USED_ALONE): New macro.
7883 * tree-pass.h (PROP_tmt_usage): New property.
7884 (TODO_update_tmt_usage): New todo.
7885 * tree-ssa-alias.c (updating_used_alone): New variable.
7886 (recalculate_used_alone): New function.
7887 (compute_may_aliases): Set updating_used_alone, call
7888 recalculate_used_alone.
7889 * tree-sra.c (pass_sra): Note that this pass destroys
7890 PROP_tmt_usage, and add TODO_update_tmt_usage.
7891 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7892 * tree-flow.h (updating_used_alone): Prototype.
7893 (recalculate_used_alone): Ditto.
7894 * passes.c (execute_todo): Add code to set updating_used_alone,
7895 and call recalculate.
7896 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7897 for clobber if used alone, and add assert to verify used_alone
7900 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7902 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7903 for non tls symbols added.
7904 (legitimize_address): Do nothing for PLUS expressions if one of the
7905 addends is a tls symbol reference.
7907 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7911 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7913 * Makefile.in (BOOTSTRAPPING): New.
7914 (quickstrap): New definition if BOOTSTRAPPING=yes.
7916 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7917 * configure.ac: Substitute all_selected_languages with the languages
7918 that were configured. For all the other variables except
7919 lang_specs_files, include all the languages in the tree.
7920 * configure: Regenerate.
7922 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7923 if there is one. Run the commands to run fixincludes in the same
7926 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7927 * doc/install.texi: Document exact conventions for searching target tools.
7928 Document --with-build-time-tools. Document toplevel bootstrap. Document
7929 something more about building an Ada cross-compiler. Don't list GNU Make
7930 requirements which affect all platforms.
7932 2006-02-19 Roger Sayle <roger@eyesopen.com>
7935 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7936 only equivalent if the have both the same mode and precision.
7938 2006-02-20 Ben Elliston <bje@au.ibm.com>
7940 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7942 2006-02-19 Roger Sayle <roger@eyesopen.com>
7943 Steven Bosscher <stevenb.gcc@gmail.com>
7945 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7946 constant pool references to identify stack mode constants.
7947 * rtlanal.c (constant_pool_constant_p): New predicate to check
7948 whether operand is a floating point constant in the pool.
7949 * rtl.h (constant_pool_constant_p): Prototype here.
7950 * loop.c (scan_loop): Avoid hoisting constants from the constant
7951 pool on STACK_REGS targets.
7952 (load_mems): Likewise.
7953 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7954 loads into x87 registers expensive in terms of register pressure.
7956 2006-02-19 Roger Sayle <roger@eyesopen.com>
7958 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7959 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7961 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7963 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7964 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7966 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7968 * doc/invoke.texi: Document -fipa-pta.
7969 * common.opt: Add ipa-pta option.
7970 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7971 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7972 (do_ds_constraint): Ditto.
7973 (get_constraint_for): Only add to referenced_vars if
7974 referenced_vars exists.
7975 (insert_into_field_list): Rewrite to do this unsorted.
7976 (insert_into_field_list_sorted): Rename old insert_into_field_list
7978 (create_function_info_for): Use insert_into_field_list_sorted.
7979 (create_variable_info_for): Rewrite so it uses unsorted version,
7980 since the field list is sorted.
7981 (intra_create_variable_infos): Only add to referenced_vars if
7982 referenced_vars exists.
7983 (ipa_pta_execute): Init heapvars, and delete when done.
7984 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7986 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7988 * doc/install.texi: Add missing `@samp'.
7990 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7992 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7995 2006-02-18 Mark Wielaard <mark@klomp.org>
7997 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7998 who added new 4.1 features, bug fixes and integration support.
8000 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8003 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8006 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8008 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8009 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8010 (copy_insn_1): Likewise. Don't copy each field individually.
8012 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8014 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8015 * rtl.c (rtx_size): Rename variable to...
8016 (rtx_code_size): ...this.
8017 (rtx_size): New function.
8018 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8019 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8021 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8022 * rtl.h (rtx_code_size): New variable.
8023 (rtx_size): Change from a variable to a function.
8024 (RTX_SIZE): Rename to...
8025 (RTX_CODE_SIZE): ...this.
8028 PR tree-optimization/17106
8029 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8030 (Anchored Addresses): New section.
8031 * doc/invoke.texi (-fsection-anchors): Document.
8032 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8033 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8034 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8035 * hooks.c (hook_bool_mode_rtx_false): New function.
8036 * hooks.h (hook_bool_mode_rtx_false): Declare.
8037 * gengtype.c (create_optional_field): New function.
8038 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8039 SYMBOL_REF_IN_BLOCK_P is true.
8040 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8041 (min_anchor_offset, max_anchor_offset): Likewise.
8042 (use_anchors_for_symbol_p): New hook.
8043 * toplev.c (compile_file): Call output_object_blocks.
8044 (target_supports_section_anchors_p): New function.
8045 (process_options): Check that -fsection-anchors is only used on
8046 targets that support it and when -funit-at-a-time is in effect.
8047 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8048 if the decl doesn't have one.
8049 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8050 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8051 of force_const_mem through use_anchored_address.
8052 (expand_expr_constant): New function.
8053 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8054 calling expand_expr for INDIRECT_REF.
8055 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8056 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8057 * expr.h (use_anchored_address): Declare.
8058 * loop-unroll.c: Don't declare rtx vectors here.
8059 * explow.c: Include output.h.
8060 (validize_mem): Call use_anchored_address.
8061 (use_anchored_address): New function.
8062 * common.opt (-fsection-anchors): New switch.
8063 * varasm.c (object_block_htab, anchor_labelno): New variables.
8064 (hash_section, object_block_entry_eq, object_block_entry_hash)
8065 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8066 (use_blocks_for_decl_p, change_symbol_section): New functions.
8067 (get_variable_section): New function, split out from assemble_variable.
8068 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8069 use_blocks_for_decl_p say so. Use change_symbol_section if the
8070 symbol has already been created.
8071 (assemble_variable_contents): New function, split out from...
8072 (assemble_variable): ...here. Don't output any code for
8073 block symbols; just pass them to place_block_symbol.
8074 Use get_variable_section and assemble_variable_contents.
8075 (get_constant_alignment, get_constant_section, get_constant_size): New
8076 functions, split from output_constant_def_contents.
8077 (build_constant_desc): Create a block symbol if use_object_blocks_p
8078 says so. Or into SYMBOL_REF_FLAGS.
8079 (assemble_constant_contents): New function, split from...
8080 (output_constant_def_contents): ...here. Don't output any code
8081 for block symbols; just pass them to place_section_symbol.
8082 Use get_constant_section and get_constant_alignment.
8083 (force_const_mem): Create a block symbol if use_object_blocks_p and
8084 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8085 (output_constant_pool_1): Add an explicit alignment argument.
8086 Don't switch sections here.
8087 (output_constant_pool): Adjust call to output_constant_pool_1.
8088 Switch sections here instead. Don't output anything for block symbols;
8089 just pass them to place_block_symbol.
8090 (init_varasm_once): Initialize object_block_htab.
8091 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8092 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8093 (place_block_symbol, get_section_anchor, output_object_block)
8094 (output_object_block_htab, output_object_blocks): New functions.
8095 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8096 (TARGET_ASM_OUT): Include it.
8097 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8098 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8099 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8100 (TARGET_INITIALIZER): Include them.
8101 * rtl.c (rtl_check_failed_block_symbol): New function.
8102 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8103 (block_symbol, object_block): New structures.
8104 (rtx_def): Add a block_symbol field to the union.
8105 (BLOCK_SYMBOL_CHECK): New macro.
8106 (rtl_check_failed_block_symbol): Declare.
8107 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8108 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8109 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8110 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8111 * output.h (output_section_symbols): Declare.
8112 (object_block): Name structure.
8113 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8114 (default_use_anchors_for_symbol_p): Declare.
8115 * Makefile.in (RTL_BASE_H): Add vec.h.
8116 (explow.o): Depend on output.h.
8117 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8118 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8119 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8120 (rs6000_use_blocks_for_constant_p): New function.
8122 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8124 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8126 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8129 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8132 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8134 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8138 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8141 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8142 instead of DECL_REGISTER.
8144 2006-02-18 Olivier Hainque <hainque@adacore.com>
8147 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8149 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8152 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8153 * opth-gen.awk: Handle Var and InverseMask together.
8154 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8155 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8156 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8157 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8159 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8160 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8161 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8162 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8163 LINUX_DYNAMIC_LINKER): Define.
8164 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8165 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8167 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8168 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8169 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8171 (TARGET_C99_FUNCTIONS): Don't define.
8172 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8173 GLIBC_DYNAMIC_LINKER.
8174 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8175 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8176 GLIBC_DYNAMIC_LINKER64): Define.
8177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8178 LINUX_DYNAMIC_LINKER64.
8179 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8181 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8183 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8185 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8186 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8187 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8189 and LINUX_DYNAMIC_LINKER32.
8190 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8192 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8194 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8196 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8197 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8198 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8199 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8200 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8201 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8202 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8203 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8204 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8205 LINUX_DYNAMIC_LINKER): Define.
8206 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8207 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8208 GLIBC_DYNAMIC_LINKER64): Define.
8209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8210 LINUX_DYNAMIC_LINKER64.
8211 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8212 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8213 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8214 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8215 LINUX_DYNAMIC_LINKER): Define.
8216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8217 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8218 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8219 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8220 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8221 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8222 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8223 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8224 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8225 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8227 * doc/invoke.texi (-muclibc): Remove caveat about supported
8230 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8232 * doc/cpp.texi (__TIMESTAMP__): Document.
8234 2006-02-17 Roger Sayle <roger@eyesopen.com>
8237 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8238 C is one less than the width of X (and related transformations).
8239 * simplify-rtx.c (simplify_unary_operation_1): Transform
8240 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8241 depending on STORE_FLAG_VALUE, were C is one less then the
8244 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8246 Fix PR tree-optimization/26341
8247 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8248 about NAME_MEMORY_TAG's.
8250 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8253 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8254 with hardware float support, and software float support. Add fcpy
8255 alternative to hardware patterns. Add alternatives to copy between
8256 general and floating-point registers to the 32-bit pattern.
8257 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8258 secondary reload to load a QI or HI mode constant into a floating
8260 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8261 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8263 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8266 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8268 (load_macho_picbase_di): Likewise.
8270 2006-02-16 Jeff Law <law@redhat.com>
8272 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8273 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8274 (ssa_name_nonzero_p): Likewise.
8275 (get_value_range): Return NULL if VRP is not running.
8276 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8277 VRP routines do not discover a range.
8278 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8279 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8280 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8281 (tree_expr_nonnegative_p): Similarly.
8282 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8283 (restore_nonzero_vars_to_original_value): Remove.
8284 (unsafe_associative_fp_binop): Remove.
8285 (tree_ssa_dominator_optimize): Remove initialization and
8286 finalization of nonzero_vars and nonzero_vars_stack.
8287 (dom_opt_initialize_block): No longer push marker on
8289 (dom_opt_finalize_block): No longer call
8290 restore_nonzero_vars_to_original_value.
8291 (record_equivalences_from_phis): No longer look for
8292 nonzero PHI arguments.
8293 (cprop_into_successor_phis): No longer propagate nonzero
8294 property into PHI arguments. Lose unused argument. Caller
8296 (record_equivalences_from_stmt): No longer record nonzero
8297 values for SSA_NAMEs.
8298 (lookup_avail_expr): No longer use nonzero_vars.
8300 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8301 for sizetype when sizetype is unsigned.
8303 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8305 PR rtl-optimization/25603
8306 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8307 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8308 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8309 with new meaning of SETS.
8311 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8316 * config/linux.opt: New file.
8317 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8318 LINUX_DYNAMIC_LINKER): Define.
8319 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8320 * config.gcc (*-*-linux*): Define extra_options.
8321 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8322 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8323 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8324 GLIBC_DYNAMIC_LINKER.
8325 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8326 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8327 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8329 * doc/invoke.texi (GNU/Linux Options): New section.
8331 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8333 * config/sparc/sparc.md (setjmp): Rewrite.
8334 (setjmp_32): Delete.
8335 (setjmp_64): Likewise.
8337 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8339 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8342 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8344 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8347 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8349 PR rtl-optimization/26296
8350 * Makefile.in (loop-invariant.c): Add except.h dependency.
8351 * loop-invariant.c: Include except.h.
8352 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8354 2005-02-16 Paul Brook <paul@codesourcery.com>
8356 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8359 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8361 PR rtl-optimization/25636
8362 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8363 when deciding whether an insn is an initializing insn.
8365 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8367 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8368 (tree_code_size): Ditto.
8369 * tree.h (struct tree_memory_tag): Remove parent_var.
8370 (struct tree_struct_field_tag): New.
8373 (union tree_node): Add sft member.
8374 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8376 (create_sft): Add size and offset argument, set SFT_OFFSET and
8378 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8379 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8380 * tree-flow-inline.h (get_subvar_at): Update for
8381 SFT_OFFSET/SFT_SIZE.
8382 (var_can_have_subvars): Ditto.
8383 (overlap_subvar): Ditto.
8384 * print-tree.c (print_node): Print out interesting things for
8386 * tree-flow.h (struct subvar): Remove offset and size members.
8387 * tree-ssa-operands.c (get_expr_operands): Update for
8388 get_indirect_ref_operands changes.
8389 (get_indirect_ref_operands): Call add_virtual_operand instead of
8390 add_stmt_operand. Only recurse on base var if requested.
8391 (access_can_touch_variable): New function.
8392 (add_stmt_operand): Split virtual operand handling into ...
8393 (add_virtual_operand): Here. Add offset, size, and for_clobber
8394 arguments. Prune alias sets.
8395 (add_call_clobber_ops): Call add_virtual_operand.
8397 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8400 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8402 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8403 than TREE_CODE as index into omp_clause_num_ops array.
8405 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8407 PR rtl-optimization/26184
8408 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8410 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8411 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8412 must_precede, must_follow and tobe_scheduled.
8415 * opts.c (common_handle_option): Free new_option pointer.
8416 * df-core.c (df_analyze): Free postorder pointer.
8418 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8420 * Makefile.in: Fix the examples about the use of stamps
8422 2006-02-15 Michael Matz <matz@suse.de>
8426 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8427 influenced by maximum_field_alignment or DECL_PACKED.
8428 (update_alignment_for_field): Ditto.
8429 (place_field): Ditto.
8430 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8433 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8435 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8436 (debug_flow_info): Pass it.
8437 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8438 * bb-reorder.c (reorder_basic_blocks): Likewise.
8439 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8440 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8441 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8442 * gcse.c (gcse_main, bypass_jumps): Likewise.
8443 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8444 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8445 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8446 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8447 * rtl.h (dump_flow_info): Adjust prototype.
8448 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8449 * var-tracking.c (variable_tracking_main): Likewise.
8450 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8451 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8454 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8456 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8459 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8461 PR tree-optimization/26209
8462 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8463 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8465 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8467 2006-02-14 Roger Sayle <roger@eyesopen.com>
8470 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8471 (X,Y) and the corresponding symmetry related transformations.
8472 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8473 (X,Y) and its symmetry related transformations.
8475 2006-02-14 Roger Sayle <roger@eyesopen.com>
8477 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8480 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8482 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8484 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8487 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8488 support COMDAT group.
8489 * configure: Regenerate.
8491 2006-02-14 Roger Sayle <roger@eyesopen.com>
8496 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8498 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8500 Fix PR tree-optimization/26260
8502 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8504 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8505 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8506 * tree-ssa-structalias.c (create_variable_info_for): Use
8507 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8509 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8511 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8513 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8514 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8515 of the ending condition.
8516 * tree-ssa-loop-manip.c: Include params.h.
8517 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8518 tree_unroll_loop): New functions.
8519 * tree-pass.h (pass_loop_prefetch): Declare.
8520 * loop.c (rest_of_handle_loop_optimize): Test for
8521 -fprefetch-loop-arrays-rtl.
8522 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8523 * timevar.def (TV_TREE_PREFETCH): New timevar.
8524 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8525 pass_loop_prefetch): New.
8526 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8527 (cleanup_tree_cfg_loop): Call scev_reset.
8528 * common.opt (fprefetch-loop-arrays-rtl): Add.
8529 * tree-ssa-loop-prefetch.c: New file.
8530 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8531 (new_temp_expr_table): Initialize expr_vars.
8532 (free_temp_expr_table): Cleanup expr_vars.
8533 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8534 expressions from being merged into one.
8535 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8536 (struct tree_niter_desc): Add control, bound and cmp fields.
8537 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8539 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8540 (tree-cfgcleanup.o): Add SCEV_H dependency.
8541 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8542 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8544 2006-02-14 Richard Guenther <rguenther@suse.de>
8546 PR tree-optimization/26258
8547 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8548 in PHI argument processing.
8550 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8552 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8553 new expression in the requested machine mode.
8555 2006-02-13 Roger Sayle <roger@eyesopen.com>
8557 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8558 directly, instead let do_compare_rtx_and_jump handle this for us.
8559 * expr.c (expand_expr_real_1): Likewise.
8560 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8561 before do_jump_by_parts_greater.
8562 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8563 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8565 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8567 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8569 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8571 PR rtl-optimization/26235
8572 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8573 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8576 2006-02-13 Jeff Law <law@redhat.com>
8578 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8581 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8584 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8585 twice if decl is a builtin. When trying again, call get_callee_fndecl
8586 first to verify it is still a builtin.
8588 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8590 * dwarf2out.c (base_type_die): Don't add AT_name here.
8591 (subrange_type_die): Don't add AT_name here.
8592 (modified_type_die): Rearrange code flow. Do add AT_name here.
8594 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8596 PR rtl-optimization/26247
8597 PR rtl-optimization/26248
8598 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8600 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8602 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8603 * config/fixtfdi.c: Likewise.
8604 * config/fixunstfdi.c: Likewise.
8605 * config/floatditf.c: Likewise.
8607 2006-02-13 Roger Sayle <roger@eyesopen.com>
8610 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8611 into (X,C2) if C1 is a subset of the bits of C2. Transform
8612 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8614 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8616 2006-02-13 Josh Conner <jconner@apple.com>
8619 * varasm.c (function_section): Check for section name before
8620 calling select_section on targets that define
8621 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8622 unlikely_text_section instead of hot_function_section if
8623 first_function_block_is_cold.
8625 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8628 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8630 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8632 PR rtl-optimization/26222
8633 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8634 after tree->rtl expansion.
8635 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8636 before passing it to emit_move_insn.
8638 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8640 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8642 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8643 Clarify documentation.
8644 * c-common.h (warn_write_strings): Remove.
8645 * c-common.c (warn_write_strings): Likewise.
8646 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8649 2006-02-12 Roger Sayle <roger@eyesopen.com>
8652 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8653 (do_jump_parts_zero_rtx): New function renamed from
8654 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8655 (do_jump_parts_equality_rtx): New function split out from
8656 do_jump_parts_equality. Old implementation renamed as above.
8657 Call do_jump_parts_zero_rtx if either operand is zero.
8658 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8659 do all of the heavy lifting.
8660 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8661 calling either do_jump_by_parts_greater_rtx or
8662 do_jump_by_parts_equality_rtx.
8663 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8664 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8665 moved to do_compare_rtx_and_jump, call it directly.
8666 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8667 mode argument. Call do_compare_rtx_and_jump.
8668 (emit_case_nodes): Update calls to do_jump_if_equal.
8670 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8672 PR rtl-optimization/26225
8673 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8675 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8677 PR rtl-optimization/26232
8678 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8680 2006-02-11 Jason Merrill <jason@redhat.com>
8683 * tree-inline.c (declare_return_variable): Just don't use the
8684 modify target if it's a gimple complex reg and the return slot
8687 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8689 * doc/contrib.texi: Update my entry.
8691 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8693 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8695 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8697 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8700 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8702 * doc/invoke.texi (-floop-optimize2): Removed.
8703 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8704 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8705 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8706 * common.opt (floop-optimize2): Removed.
8707 (fmove-loop-invariants): Enabled by default.
8709 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8711 * tree-if-conv.c (combine_blocks): Free the result of
8712 get_loop_exit_edges.
8714 2006-02-10 Jeff Law <law@redhat.com>
8716 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8718 PR tree-optimization/26213
8719 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8720 loop trying to follow SSA_NAME_VALUE chains.
8722 2006-02-10 Richard Guenther <rguenther@suse.de>
8724 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8725 deal with structures that end in implicitly variable sized arrays.
8727 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8729 PR rtl-optimization/24762
8730 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8733 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8735 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8736 (struct ivopts_data): Add regs_used field.
8737 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8738 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8739 instead of loop_data->regs_used;
8740 (free_loop_data): Do not free aux fields for loops.
8741 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8742 and tree_ssa_iv_optimize_finalize.
8744 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8746 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8748 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8751 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8752 computing the effective result type.
8754 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8757 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8758 (tree_overlaps_hard_reg_set): Declare.
8759 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8760 type and signature to match function type expected by walk_tree.
8761 (tree_overlaps_hard_reg_set): New function.
8762 (decl_conflicts_with_clobbers_p): Rename to:
8763 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8764 Use tree_overlaps_hard_reg_set. Changed caller.
8765 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8766 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8767 * cris.c (cris_md_asm_clobbers): Likewise.
8769 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8771 * reload1.c (emit_input_reload_insns): Delete code that tries to
8772 inherit using find_equiv_reg.
8774 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8776 * c-common.h (flag_const_strings): Don't declare.
8777 * c-common.c (flag_const_strings): Remove.
8778 * c.opt (fconst_strings): Remove.
8779 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8780 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8781 (c_common_init_options): Don't set flag_const_strings.
8782 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8784 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8786 * arm.md (tlobits_cbranch): New pattern.
8787 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8788 testing a single bit.
8790 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8793 * tree-ssa-pre.c (create_component_ref_by_pieces):
8794 Handle RETURN_DECL like VAR_DECL.
8796 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8799 * fold-const.c (fold_indirect_ref_1): Fold
8800 "*(foo *)&complexfoo" to "__real__ complexfoo"
8801 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8803 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8805 * tree-flow-inline.h (var_can_have_subvars):
8806 Volatile variables should not have subvariables.
8808 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8811 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8812 multiplying unsigned values.
8815 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8817 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8819 2006-02-08 Jason Merrill <jason@redhat.com>
8822 * tree.def: Elaborate on difference from MODIFY_EXPR.
8823 * doc/c-tree.texi (INIT_EXPR): Likewise.
8824 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8825 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8826 (gimplify_target_expr): Likewise.
8827 (gimplify_cond_expr): Remove target handling.
8828 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8829 (gimplify_expr): Clobber it here.
8830 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8831 Do return slot optimization if we have an INIT_EXPR.
8834 * tree-inline.c (declare_return_variable): Also clear
8835 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8838 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8841 * gimplify.c (gimplify_one_sizepos): Fix typo.
8843 2006-02-08 Jeff Law <law@redhat.com>
8845 PR tree-optimization/21417
8846 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8847 across a backedge if the control statement at the end of the
8848 block is data dependent on other statements in the same block.
8849 (record_temporary_equivalences_from_stmts): Remove over-conservative
8850 test for threading across backedges.
8852 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8853 control statement, handle all three special cases in the same
8854 manner as they all have the same desired solution. No longer
8855 special case edge flag updating when the post dominator is
8858 2006-02-08 Roger Sayle <roger@eyesopen.com>
8860 * tree.def (CHAR_TYPE): Remove.
8861 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8862 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8863 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8864 (gen_string_type_die): Delete unreachable function.
8866 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8867 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8868 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8869 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8870 * builtins.c (type_to_class): Likewise.
8871 * fold-const.c (fold_convert, build_range_check,
8872 merge_ranges): Likewise.
8873 * expr.c (count_type_elements): Likewise.
8874 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8875 * stor-layout.c (layout_type): Likewise.
8876 * ipa-type-escape.c (type_to_consider): Likewise.
8877 * gimplify.c (omp_firstprivatize_type_sizes,
8878 gimplify_type_sizes): Likewise.
8879 * explow.c (promote_mode): Likewise.
8880 * tree-sra.c (is_sra_scalar_type): Likewise.
8881 * varasm.c (output_constant): Likewise.
8882 * tree-inline.c (remap_type_1): Likewise.
8883 * convert.c (convert_to_pointer, convert_to_real,
8884 convert_to_integer, convert_to_complex): Likewise.
8886 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8888 * df-scan.c (df_def_record_1): A set destination may
8889 be a parallel regardless of mode.
8891 2006-02-08 Roger Sayle <roger@eyesopen.com>
8894 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8895 * config/mips/_tilib.c: Remove.
8896 * config/fixtfdi.c: New libgcc source file.
8897 * config/fixunstfdi.c: New source file.
8898 * config/floatditf.c: New source file.
8899 * config/floatunditf.c: New souce file.
8900 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8901 files above instead of config/mips/_tilib.c.
8902 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8904 2006-02-08 Jeff Law <law@redhat.com>
8906 PR tree-optimization/26169
8907 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8910 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8912 * df.h (DF_REG_SIZE): Return the length of the initialized
8915 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8917 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8918 __muldf3): Return a correctly signed zero.
8920 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8922 * passes.c (register_one_dump_file): Accept the current properties
8923 instead of pass number. Adjust call to dump_register. Remove
8925 (register_dump_files): Now a wrapper around...
8926 (register_dump_files_1): ... this one. Do not modify the pass
8928 (next_pass_1): Cosmetic fix.
8929 (execute_todo): Keep second parameter only. Use curr_properties
8930 instead of fetching it from the pass structure. Check and set
8932 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8933 instead of fetching it from the pass structure. Fix calls to
8934 execute_todo. Update curr_properties and initialize .vcg RTL dump
8935 after running the pass. Reset last_verified.
8936 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8938 (FIRST_AUTO_NUMBERED_DUMP): New.
8939 (dump_register): Remove "num" parameter, assign it within the
8941 (get_dump_file_name): Modify template for dumps.
8942 * tree-dump.h (dump_register): Adjust prototype.
8943 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8944 (PROP_trees): Add PROP_gimple_lomp.
8945 (TODO_set_props): New.
8946 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8947 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8948 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8950 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8952 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8953 (sparc64-*-linux*): Likewise.
8954 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8955 * config/sparc/t-linux: New file.
8956 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8957 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8958 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8959 -m32 -mlong-double-128.
8961 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8962 * config/alpha/t-linux: New file.
8963 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8965 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8966 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8967 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8968 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8969 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8970 (CPP_ARCH32_SPEC): Remove.
8972 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8974 PR tree-optimization/26145
8975 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8978 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8981 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8982 >= 240000 when generating code for SOM runtime.
8983 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8984 to $$dyncall when generating code for SOM runtime..
8986 2006-02-07 Dirk Mueller <dmueller@suse.com>
8989 * doc/invoke.texi (-Wsequence-point): Update documentation
8990 that -Wsequence-point is implemented for C++ as well.
8992 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8994 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8995 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8996 (LIB_SPEC): Likewise.
8997 * doc/invoke.texi (SPARC options): Document -pthread.
8999 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9001 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9004 2006-02-07 Roger Sayle <roger@eyesopen.com>
9006 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9007 Correct comment describing BOOLEAN_TYPE.
9009 2006-02-07 Dirk Mueller <dmueller@suse.com>
9011 * c.opt: C++ frontend supports -Wdiv-by-zero.
9012 * c-opts.c (c_common_handle_option): Remove dead case.
9014 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9016 * configure.ac (TLS assembler check): Do not enable TLS by
9017 default on SPARC/Solaris before version 10.
9018 * configure: Regenerate.
9020 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9022 * doc/invoke.texi (xl-compat): Document conversion and support
9025 2006-02-07 Jeff Law <law@redhat.com>
9027 * tree-vrp.c (find_conditional_asserts): Update comments.
9028 (simplify_stmt_for_jump_threading): New.
9029 (identify_jump_threads, finalize_jump_threads): New.
9030 (vrp_finalize): Call identify_jump_threads.
9031 (execute_vrp): Call finalize_jump_threads.
9032 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9033 (vrp_element, vrp_data, vrp_element_p): Remove.
9034 (vrp_hash_elt, vrp_variables_stack): Remove.
9035 (vrp_hash, vrp_eq, record_range): Remove.
9036 (simplify_cond_and_lookup_avail_expr): Remove.
9037 (extract_range_from_cond): Remove.
9038 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9039 (simplify_stmt_for_jump_threading): New.
9040 (dom_thread_across_edge): New wrapper.
9041 (tree_ssa_dominator_optimize): No longer initialize or
9042 finalize any of the VRP datastructures. Remove iteration
9043 step and simplify as a result of removal of iteration step.
9044 (pass_dominator): Perform a cfg cleanup after DOM.
9045 (dom_opt_finalize_block): Use the new common routines
9046 for threading jumps. Simplify stack management slightly.
9047 No longer need to unwind VRP state.
9048 (record_equivalences_from_incoming_edge): No longer record
9050 (eliminate_redundant_computations): No longer call
9051 simplify_cond_and_lookup_avail_expr.
9052 * tree-flow.h (potentially_threadable_block): Prototype.
9053 (thread_across_edge): Likewise.
9054 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9055 (tree-ssa-threadedge.o): Add dependencies.
9056 * tree-ssa-threadedge.c: New file.
9057 * passes.c (init_optimization_passes): Merge PHIs before
9058 calling VRP. Run VRP again late in the SSA optimization pipeline.
9060 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9062 * df-core.c (df_set_blocks): Do not dereference function pointers.
9063 (df_finish1): Likewise.
9064 (df_hybrid_search_forward): Likewise.
9065 (df_hybrid_search_backward): Likewise.
9066 (df_iterative_dataflow): Likewise.
9067 (df_analyze_problem): Likewise.
9068 (df_compact_blocks): Likewise.
9069 (df_dump): Likewise.
9070 * df-scan.c (df_rescan_blocks): Likewise.
9071 (df_record_entry_block_defs): Likewise.
9073 * genconditions.c (write_conditions): Guard the definition of
9074 'insn_conditions' with the check on GCC version.
9075 (write_writer): Guard the traversal 'insn_conditions' with
9076 the check on GCC version.
9078 2006-02-07 Richard Guenther <rguenther@suse.de>
9082 2006-01-30 Richard Guenther <rguenther@suse.de>
9084 * gimplify.c (gimplify_target_expr): Handle easy cases
9085 without creating a temporary.
9087 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9089 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9090 use of float in probability computations. Use edge probabilities
9091 in place of statically computed probabilities.
9092 (min_spec_prob): New static variable.
9093 (schedule_insns): Initialize it.
9094 (GET_SRC_PROB): Removed.
9095 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9097 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9100 * config/ia64/unwind-ia64.c: Revert last change.
9101 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9102 (INCOMING_FRAME_SP_OFFSET): Define.
9104 2006-02-06 Roger Sayle <roger@eyesopen.com>
9106 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9108 2006-02-07 Ben Elliston <bje@au.ibm.com>
9110 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9111 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9112 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9113 (ix86_return_in_memory): Handle TDmode.
9114 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9115 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9117 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9119 * reorg.c (dbr_schedule): Use dump_file instead of file.
9121 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9124 * config/ia64/predicates.md (extr_len_operand): New predicate.
9125 * config/ia64/ia64.md (extv): Tighten constraints.
9127 (*tbit_and_2): Ditto.
9128 (*tbit_and_3): Ditto.
9129 (*tbit_or_2): Ditto.
9130 (*tbit_or_3): Ditto.
9134 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9137 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9139 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9141 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9142 loop_optimizer_init and loop_optimizer_finalize
9143 * tree-ssa-sink.c (execute_sink_code): Ditto.
9144 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9145 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9146 tree_ssa_loop_done): Ditto.
9147 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9148 * sched-ebb.c: Include output.h.
9149 (schedule_ebbs): Do not use dump argument.
9150 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9151 * loop.c (loop_dump_stream): Removed.
9152 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9154 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9155 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9156 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9157 loop_iterations, strength_reduce, record_biv, record_giv,
9158 final_giv_value, check_final_value, check_ext_dependent_givs,
9159 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9160 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9161 dump_file instead of loop_dump_stream.
9162 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9164 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9166 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9167 * haifa-sched.c: Include output.h
9168 (schedule_insns, sched_init): Do not use dump argument.
9169 * mode-switching.c (optimize_mode_switching): Ditto.
9170 * modulo-sched.c (stats_file): Removed.
9171 (print_node_sched_params): Do not call argument dump_file.
9172 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9173 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9175 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9177 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9178 rtl_loop_init, rtl_loop_done): Ditto.
9179 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9180 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9182 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9183 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9184 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9185 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9186 * emit-rtl.c (renumber_insns): Ditto.
9187 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9188 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9189 * regclass.c (regclass): Ditto.
9190 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9191 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9192 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9193 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9195 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9196 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9198 * gcse.c (gcse_file, debug_stderr): Removed.
9199 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9200 rest_of_handle_gcse): Do not use dump argument.
9201 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9202 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9203 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9204 compute_code_hoist_vbeinout, compute_code_hoist_data,
9205 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9206 compute_store_table, build_store_vectors, insert_insn_start_bb,
9207 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9208 store_motion): Use dump_file instead of gcse_file.
9209 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9210 * profile.c (profile_dump_file): Removed.
9211 (branch_prob): Use dump_file instead of profile_dump_file.
9212 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9214 * tree-ssa-copy.c (dump_copy_of): Ditto.
9215 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9216 dump file to life_analysis.
9217 * bt-load.c (branch_target_load_optimize): Ditto.
9218 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9220 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9221 regclass, dbr_schedule): Declaration changed.
9222 * sched-int.h (sched_init): Declaration changed.
9223 * tree-profile.c (tree_profile_dump_file): Removed.
9224 (tree_profile_hooks): Removed profile_dump_file hook.
9225 * rtl-profile (rtl_profile_dump_file): Removed.
9226 (rtl_profile_hooks): emoved profile_dump_file hook.
9227 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9229 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9230 * tree-cfg.c (build_tree_cfg): Ditto.
9231 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9232 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9233 Declaration changed.
9234 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9235 life_analysis and schedule_insns.
9236 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9238 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9240 * config/mips/mips.c (mips_reorg): Ditto.
9241 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9244 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9246 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9247 (s390_mangle_fundamental_type): New.
9248 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9251 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9252 (alpha_mangle_fundamental_type): New.
9253 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9256 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9258 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9260 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9261 (sparc_mangle_fundamental_type): New.
9263 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9265 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9266 (s390x-*-linux*): Likewise.
9267 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9268 * config/s390/t-linux: New file.
9270 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9272 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9273 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9275 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9277 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9278 (ANTIC_SAFE_LOADS): New macro.
9279 (find_or_generate_expression): Add prototype.
9280 (set_contains_value): Allow null set for sake of not always having
9281 to allocate ANTIC_SAFE_LOADS.
9282 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9283 Allow COMPONENT_REF too.
9284 (valid_in_set): Allow COMPONENT_REF.
9285 Check ANTIC_SAFE_LOADS too.
9286 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9287 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9289 (can_PRE_operation): Add COMPONENT_REF.
9290 (create_component_ref_by_pieces): New function.
9291 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9292 (insert_aux): Move AGGREGATE_TYPE_P check here.
9293 (compute_avail): Set bb local stmt uids.
9294 (pass_pre): Use TODO_update_ssa_only_virtuals.
9296 2006-02-06 Ben Elliston <bje@au.ibm.com>
9298 * configure.ac: Unconditionally disable decimal float by default.
9299 * configure: Regenerate.
9301 2006-02-06 Ben Elliston <bje@au.ibm.com>
9303 * read-rtl.c (read_name): Terminate reading on EOF.
9305 2006-02-06 Ben Elliston <bje@au.ibm.com>
9307 * dfp.c (decimal_real_arithmetic): Change second argument type
9308 from int to enum tree_code. Do not always return true, but now
9309 return result of any call to decimal_do helper functions.
9310 * dfp.h (decimal_real_arithmetic): Update prototype.
9312 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9314 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9316 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9319 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9322 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9324 * tree-vrp.c (cfg_loops): Removed.
9325 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9326 Use current_loops instead of cfg_loops. Pass flags to
9327 loop_optimizer_init.
9328 * cfgloopmanip.c (fix_loop_structure): Update only available
9330 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9331 loop_optimizer_init.
9332 * modulo-sched.c (build_loops_structure): Removed.
9333 (sms_schedule): Use loop_optimizer_init.
9334 * loop-init.c (loop_optimizer_init): Use flags to determine
9335 which properties of loops to prepare.
9336 (rtl_loop_init): Pass flags to loop_optimizer_init.
9337 * tree-ssa-sink.c (execute_sink_code): Ditto.
9338 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9339 * tree-ssa-pre.c (init_pre): Ditto.
9340 * cfgloop.h (LOOPS_NORMAL): New.
9341 (loop_optimizer_init): Declaration changed.
9343 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9345 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9346 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9348 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9350 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9352 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9353 * pa/t-pa64: Delete quadlib.c rule.
9354 * pa/x-ada: Revert last change.
9355 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9357 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9359 PR rtl-optimization/26087
9360 * rtlanal.c (canonicalize_condition): Do not cross basic block
9363 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9366 * config/ia64/ia64.c: Include debug.h.
9367 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9368 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9369 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9370 (process_epilogue, process_set, process_for_unwind_directive):
9371 Output unwind info only if requested. Add CFA info if requested.
9372 Add new arguments as needed. Adjust callers.
9373 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9375 (DWARF2_FRAME_INFO): Define to zero.
9376 * config/ia64/unwind-ia64.c: Remove code that compensated for
9377 the CFA offset error fixed above.
9378 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9379 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9380 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9381 -funwind-tables and -fexceptions to enable frame info.
9382 (dwarf2out_frame_init): Define initial CFA even if
9383 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9384 DWARF2_UNWIND_INFO is nonzero, not just defined.
9385 (dwarf2out_frame_finish): Output non-EH call frame info only
9386 if DWARF2_FRAME_INFO is nonzero.
9387 (convert_cfa_to_loc_list,
9388 compute_frame_pointer_to_cfa_displacement): Define even if
9389 unwind info is not supported.
9390 (gen_subprogram_die): Use the above unconditionally. Remove
9391 legacy alternate code.
9392 * toplev.c (compile_file): Compile in call to
9393 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9394 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9396 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9397 Jakub Jelinek <jakub@redhat.com>
9399 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9400 IBM extended float format long double as "g" on powerpc*-linux.
9402 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9405 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9406 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9408 2006-02-03 Jason Merrill <jason@redhat.com>
9411 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9414 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9415 on the return slot if it's an NRV.
9417 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9419 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9420 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9421 rewrite_use): Do not handle USE_OUTER.
9422 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9423 add_iv_outer_candidates, may_replace_final_value,
9424 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9425 (find_interesting_uses_op): Functionality of
9426 find_interesting_uses_outer_or_nonlin moved here.
9427 (find_interesting_uses_outside): Use find_interesting_uses_op.
9429 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9432 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9434 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9435 Ulrich Weigand <uweigand@de.ibm.com>
9438 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9439 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9440 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9441 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9443 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9444 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9445 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9446 Define secondary reloads for TFmode moves.
9447 (constant_modes): Add TFmode.
9448 (NR_C_MODES): Set to 8.
9449 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9451 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9452 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9453 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9454 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9455 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9456 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9457 (FPR mode macro): Add TFmode.
9458 (DSF mode macro): New.
9459 (<de>, <dee> mode attributes): Removed.
9460 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9461 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9462 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9463 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9464 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9465 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9466 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9467 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9468 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9469 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9470 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9471 "*negabs<mode>2", "sqrt<mode>2"):
9472 Changed <de> to <xde>. R constraint replaced by <Rf>.
9473 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9475 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9476 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9477 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9479 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9480 "extenddftf2", "extendsftf2"): New expanders.
9481 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9482 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9483 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9484 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9486 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9487 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9488 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9489 __floatditf): Add a GCC_4.1.0 symbol version tag.
9490 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9493 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9496 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9497 Use targetm.binds_local_p instead of TREE_PUBLIC.
9499 2006-02-02 Roger Sayle <roger@eyesopen.com>
9501 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9502 on INTEGER_TYPEs to indicate that it denotes a character type.
9503 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9504 signed_char_type_node, unsigned_char_type_node and char_type_node.
9505 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9506 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9507 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9509 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9510 Daniel Berlin <dberlin@dberlin.org>
9512 * tree-tailcall.c (arg_needs_copy_p): New function.
9513 (eliminate_tail_call): Use arg_needs_copy_p.
9514 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9515 (add_virtual_phis): New function.
9517 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9519 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9520 #ignore instead of #scratch for %g7 .register directive.
9522 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9524 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9527 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9529 * flow.c (calculate_global_regs_live): Assert that there aren't any
9532 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9534 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9536 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9537 bsi_after_labels iterator.
9538 * tree-if-conv.c (find_phi_replacement_condition,
9539 replace_phi_with_cond_modify_expr): Likewise.
9540 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9541 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9543 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9545 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9547 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9550 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9551 array after growing it.
9553 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9556 * fold-const.c (fold_checksum_tree): Change type of buf.
9558 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9560 * reload.c (push_secondary_reload): Initialize t_icode.
9562 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9564 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9565 -msoft-float -mlong-double-128 only issue a warning, but don't
9566 swich to DFmode long double.
9568 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9570 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9571 has a constant equivalent, iterate over equivalents for arg0,
9572 calling simplify_relational_operation and if there's a result
9573 cheaper than X, apply fold_rtx and return the result.
9575 2006-02-01 Jan Hubicka <jh@suse.cz>
9577 * opts.c (no_unit_at_a_time_default): New global variable.
9578 (decode_options): Use it.
9579 * opts.h (no_unit_at_a_time_default): Declare.
9581 2006-02-01 Paul Brook <paul@codesourcery.com>
9583 * function.c (assign_parm_setup_reg): Use function argument promotion
9585 * expr.c (expand_expr_real_1): Use function argument promotion rules
9588 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9590 * gcc.c (process_command): Change j to 'unsigned int'.
9592 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9595 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9596 Use the corrected index for the character
9597 out of the string constant.
9599 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9601 * mode-switching.c (optimize_mode_switching): Fix size
9602 allocated for bb_info[n_entities].
9604 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9606 * gcc.c (main): Correct type that is allocated for
9607 explicit_link_files.
9609 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9611 * config/s390/s390.c (init_alignment_context): Set
9612 ALIAS_SET_MEMORY_BARRIER on the MEM.
9613 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9615 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9618 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9620 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9623 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9625 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9626 * regrename.c: Ditto.
9627 * tree-ssa-loop-im.c: Ditto.
9628 * tree-dump.c: Ditto.
9629 * tree-complex.c: Ditto.
9630 * genrecog.c: Ditto.
9631 * tree-ssa-threadupdate.c: Ditto.
9633 * java/class.c: Ditto.
9634 * java/jcf-parse.c: Ditto.
9635 * java/resource.c: Ditto.
9636 * java/except.c: Ditto.
9637 * java/jvspec.c: Ditto.
9638 * java/jcf-write.c: Ditto.
9639 * java/jcf-path.c: Ditto.
9640 * java/gjavah.c: Ditto.
9641 * java/zextract.c: Ditto.
9642 * java/jcf-io.c: Ditto.
9643 * java/jcf.h: Ditto.
9644 * java/buffer.c: Ditto.
9645 * java/lang.c: Ditto.
9646 * java/parse-scan.y: Ditto.
9647 * java/lex.c: Ditto.
9648 * java/lex.h: Ditto.
9649 * cfgloopmanip.c: Ditto.
9650 * postreload-gcse.c: Ditto.
9651 * tree-ssa-loop-manip.c: Ditto.
9652 * postreload.c: Ditto.
9653 * tree-ssa-loop-ch.c: Ditto.
9657 * diagnostic.c: Ditto.
9659 * genoutput.c: Ditto.
9661 * cfghooks.c: Ditto.
9662 * cfgloopanal.c: Ditto.
9663 * objc/objc-act.c: Ditto.
9665 * genextract.c: Ditto.
9666 * genautomata.c: Ditto.
9667 * pretty-print.c: Ditto.
9669 * cgraphunit.c: Ditto.
9672 * haifa-sched.c: Ditto.
9673 * dominance.c: Ditto.
9675 * tree-ssa-loop-ivopts.c: Ditto.
9677 * mode-switching.c: Ditto.
9678 * modulo-sched.c: Ditto.
9680 * ipa-pure-const.c: Ditto.
9682 * fix-header.c: Ditto.
9684 * tree-stdarg.c: Ditto.
9685 * ipa-utils.c: Ditto.
9686 * loop-init.c: Ditto.
9687 * ipa-inline.c: Ditto.
9690 * alloc-pool.c: Ditto.
9691 * dwarf2out.c: Ditto.
9693 * genattrtab.c: Ditto.
9694 * tree-ssa-loop-ivcanon.c: Ditto.
9698 * fortran/gfortranspec.c: Ditto.
9700 * local-alloc.c: Ditto.
9701 * langhooks.c: Ditto.
9702 * function.c: Ditto.
9703 * tree-vectorizer.c: Ditto.
9705 * ipa-type-escape.c: Ditto.
9707 * tree-if-conv.c: Ditto.
9710 * tree-data-ref.c: Ditto.
9711 * loop-unroll.c: Ditto.
9712 * treelang/treetree.c: Ditto.
9715 * ggc-common.c: Ditto.
9717 * coverage.c: Ditto.
9719 * tree-cfgcleanup.c: Ditto.
9720 * tree-ssa-pre.c: Ditto.
9721 * cfgcleanup.c: Ditto.
9722 * loop-invariant.c: Ditto.
9724 * ipa-prop.c: Ditto.
9725 * print-tree.c: Ditto.
9726 * conflict.c: Ditto.
9727 * ggc-page.c: Ditto.
9728 * sched-deps.c: Ditto.
9729 * regclass.c: Ditto.
9730 * tree-object-size.c: Ditto.
9732 * bb-reorder.c: Ditto.
9733 * resource.c: Ditto.
9734 * var-tracking.c: Ditto.
9736 * df-problems.c: Ditto.
9737 * reg-stack.c: Ditto.
9740 * sched-rgn.c: Ditto.
9741 * tree-ssa-structalias.c: Ditto.
9742 * tree-ssa-reassoc.c: Ditto.
9743 * config/darwin-c.c: Ditto.
9744 * config/darwin.c: Ditto.
9745 * config/arm/arm.c: Ditto.
9747 * collect2.c: Ditto.
9750 2006-01-31 Nicolas Pitre <nico@cam.org>
9752 * arm.md (smaxsi3): Make aware of smax_m1.
9755 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9757 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9759 2006-01-31 Richard Guenther <rguenther@suse.de>
9761 * doc/invoke.texi (-msselibm): Document.
9762 * target.h (expand_library_builtin): New target hook.
9763 * builtins.c (expand_builtin): Use expand_library_builtin.
9764 (default_expand_library_builtin): New function.
9765 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9766 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9767 (link_gcc_math_spec): Declare.
9768 (static_specs): Add link_gcc_math_spec.
9769 * expr.h (default_expand_library_builtin): Declare.
9770 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9771 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9772 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9773 * config/i386/i386.opt (msselibm): New target option.
9774 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9775 (ix86_init_sse_abi_builtins): New function.
9776 (ix86_expand_library_builtin): Likewise.
9777 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9778 (override_options): Handle error conditions wrt -msselibm.
9779 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9780 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9781 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9784 2006-01-31 Richard Guenther <rguenther@suse.de>
9785 Paolo Bonzini <bonzini@gnu.org>
9787 * doc/install.texi (--disable-libgcc-math): Document.
9789 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9791 * expr.h (expand_normal): new inline function.
9792 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9794 * dwarf2out.c: use it.
9799 * config/sparc/sparc.c: use it.
9800 * config/i386/i386.c: use it.
9801 * config/rs6000/rs6000.c: use it.
9802 * config/arm/arm.c: use it.
9803 * config/mips/mips.c: use it.
9804 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9806 2006-01-30 Roger Sayle <roger@eyesopen.com>
9808 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9809 argv to the appropriate type.
9811 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9813 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9816 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9819 * config/s390/s390.c (struct machine_function): New flag
9820 decomposed_literal_pool_addresses_ok_p.
9821 (s390_reorg): Set it before final stage of literal pool transforms.
9822 (s390_decompose_address): Only accept displacements of the form
9823 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9825 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9827 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9828 the comparison routine return.
9830 2006-01-30 Michael Matz <matz@suse.de>
9832 * global.c (find_reg): Only evict for global regs.
9833 Take n_refs into account and dump more info.
9835 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9838 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9839 (pragma_trap, pragma_nosave_low_regs): Likewise.
9840 (current_function_anonymous_args): Likewise.
9841 (sh_deferred_function_attributes): New variable.
9842 (sh_deferred_function_attributes_tail): Likewise.
9843 (print_operand): For '@', look up trap_exit attribute.
9844 (calc_live_regs): Look up trapa_handler attribute. For trapa
9845 handlers, save/restore fpscr, but don't do any other
9846 interrupt-specific saves.
9847 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9848 Fix check for partially saved registers to check for SHmedia.
9849 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9850 (sh_output_function_epilogue): Don't clear any of the removed
9852 (sh_insert_attributes): Don't check pragma_interrupt.
9853 Insert deferred attributes. Check that interrupt attribute is
9854 present for other attributes that require its presence.
9855 (sh_attribute_table): Add new attributes trapa_handler and
9857 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9858 Don't check for pragma_interrupt. Don't store argument.
9859 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9860 (sh_deferred_function_attributes): Declare.
9861 (sh_deferred_function_attributes_tail): Likewise.
9862 * sh.md (sp_switch_1): Add operand. Change generator caller.
9863 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9864 (*return_i): Don't use when trap_exit attribute is in effect.
9865 (*return_trapa): New insn pattern.
9867 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9868 setting c_target_objs and cxx_target_objs.
9869 * t-sh: Add rule for sh-c.o.
9871 2006-01-30 Richard Guenther <rguenther@suse.de>
9874 * gimplify.c (gimplify_target_expr): Handle easy cases
9875 without creating a temporary.
9877 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9879 * vec.h (safe_grow): Remove duplicated line.
9881 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9884 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9885 (expand_omp): ... here.
9886 (expand_omp_parallel): Only remove barriers for combined
9887 parallel+workshare constructs.
9889 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9893 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9894 * tree.c (build_qualified_type): Chain the new type to the original
9895 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9896 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9897 (build_pointer_type_for_mode): Only return unqualified types.
9898 (build_reference_type_for_mode): Likewise.
9900 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9902 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9903 * Makefile.in (CXX_COMPAT_WARN): Define.
9904 * configure: Regenerate.
9906 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9909 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9912 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9914 * toplev.c: Fix thinko.
9916 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9917 Marcin Dalecki <martin@dalecki.de>
9919 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9920 (push_srcloc): Use XNEW.
9921 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9923 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9925 * df-core.c (df_set_blocks): Deleted all variable.
9927 2006-01-28 Ian Lance Taylor <ian@airs.com>
9929 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9930 cgraph_output_pending_asms.
9932 2006-01-28 Zack Weinberg <zackw@panix.com>
9934 * c.opt: Add -W(no-)overlength-strings.
9935 * doc/invoke.texi: Document it.
9936 * c-opts.c (c_common_handle_option): -pedantic implies
9937 -Woverlength-strings, if not explicitly disabled already.
9938 (c_common_post_options): -Woverlength-strings defaults to off, and
9939 is always off for C++.
9940 * c-common.c (fix_string_type): Issue warning about strings longer
9941 than is portable only if warn_overlength_strings. Rearrange code
9942 a little for clarity.
9943 * configure.in: Check for -Wno-overlength-strings as well before
9944 enabling -pedantic in stage 1.
9945 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9946 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9948 * genconditions.c (write_header, write_one_condition)
9949 (write_conditions, write_writer): Consolidate very long strings
9950 that were broken up to fit in C89 portable limit. Don't use
9951 printf when fputs will do.
9953 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9955 * combine.c (simplify_comparison <AND>): Check
9956 TRULY_NOOP_TRUNCATION before start using a subreg.
9958 * config/mips/mips.md (*branch_zero<mode>,
9959 *branch_zero<mode>_inverted, *branch_equality<mode>,
9960 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9961 Remove mode check from comparisons.
9963 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9965 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9967 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9969 * expmed.c (const_mult_add_overflow_p): Remove.
9970 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9972 * recog.c (validate_replace_rtx_subexp): Remove.
9973 * recog.h: Remove the prototype for
9974 validate_replace_rtx_subexp.
9976 * integrate.h: Remove the prototype for
9977 copy_decl_for_inlining.
9978 * rtl.h: Remove the prototype for mark_constant_function.
9979 * tree-vectorizer.h: Remove the prototype for
9980 vect_strip_conversion.
9982 * modulo-sched.c (create_partial_schedule,
9983 free_partial_schedule, reset_partial_schedule): Make them
9986 * hooks.c (hook_bool_rtx_int_false): Remove.
9987 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9989 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9991 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9992 and -mlong-double-128 are incompatible.
9993 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9994 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9995 (TARGET_LIBGCC2_CFLAGS): Define.
9996 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9997 (TARGET_LIBGCC2_CFLAGS): Same.
9998 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10000 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10003 * c-typeck.c (build_binary_op): Perform implicit casts of
10004 operands before shortening them.
10006 * cfgloopmanip.c (split_loop_bb): Remove.
10007 * cfgloop.h: Remove the prototype for split_loop_bb.
10009 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10010 * cfgloop.h: Remove the prototype for
10011 flow_loop_outside_edge_p.
10013 * emit-rtl.c (init_virtual_regs): Make it static.
10014 * function.h: Remove the prototype for init_virtual_regs.
10016 * recog.c (peephole2_optimize): Make it static.
10017 * recog.h: Remove the prototype for peephole2_optimize.
10019 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10021 * df-scan.c (df_record_entry_block_defs): Check if
10022 INCOMING_RETURN_ADDR_RTX is defined.
10024 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10025 Kenneth Zadeck <zadeck@naturalbridge.com>
10027 PR rtl-optimization/24762
10028 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10029 * targhooks.c (hook_void_bitmap): New hook prototype.
10030 * targhoohs.h (hook_void_bitmap): Ditto.
10031 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10032 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10033 * target.h (live_on_entry): New function pointer.
10034 * df-scan.c (df_all_hard_regs): Removed.
10035 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10036 (df_scan_free_internal): Added df->entry_block_defs.
10037 (df_scan_alloc): Ditto.
10038 (df_scan_dump): Ditto.
10039 (df_uses_record): Plumbed flag field properly thru calls.
10040 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10041 This part fixes PR24762.
10042 (df_bb_refs_record): Added code to make the frame and arg
10043 pointers live in EH blocks.
10044 (df_refs_record): Added call to df_record_entry_block_defs.
10045 (df_record_entry_block_defs): New function.
10046 * df-core.c: Added comments to describe new artifical defs.
10047 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10048 (entry_block_defs): New field in struct df.
10049 (df_all_hard_regs): Deleted.
10050 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10051 * df-problems.c (df_ru_bb_local_compute_process_def):
10052 Added code to handle artifical defs in the entry to a function.
10053 (df_ru_bb_local_compute): Ditto.
10054 (df_rd_bb_local_compute_process_def): Ditto.
10055 (df_rd_bb_local_compute): Ditto.
10056 (df_lr_bb_local_compute): Ditto.
10057 (df_ur_bb_local_compute): Ditto.
10058 (df_urec_bb_local_compute): Ditto.
10059 (df_chain_create_bb): Ditto.
10060 (df_ur_local_finalize): Removed entry.
10061 (df_urec_init): Ditto.
10062 (df_urec_local_finalize): Ditto.
10063 (df_ri_bb_compute): Added detection of last use of pseudos.
10064 * Makefile.in (df-scan.o): Updated dependencies.
10065 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10066 * config/mips/mips.c (mips_set_live_on_entry): Added.
10067 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10069 * dce.c (marked_insn_p): Added code to handle artifical defs.
10071 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10073 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10075 (_mm_cvtsi128_si64): Likewise.
10076 (_mm_cvtsd_si64): Likewise.
10077 (_mm_cvttsd_si64): Likewise.
10078 (_mm_cvtsi64_sd): Likewise.
10079 (_mm_cvtsi64_si128): Likewise.
10080 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10081 (_mm_cvtsi64_m64): Likewise.
10082 (_m_to_int64): Likewise.
10083 (_mm_cvtm64_si64): Likewise.
10084 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10085 (_mm_cvttss_si64): Likewise.
10086 (_mm_cvtsi64_ss): Likewise.
10087 (_mm_cvtss_f32): Likewise.
10089 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10091 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10092 for pragma redefine_extname.
10094 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10097 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10098 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10099 -mno-minimal-toc to previous content.
10100 (bispecs): Remove goal.
10101 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10102 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10103 compatibility aliases on powerpc-*-*gnu*.
10104 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10105 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10106 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10107 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10108 (ldblspecs): New goal.
10109 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10110 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10112 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10113 L_sf_to_tf or L_df_to_tf is defined.
10115 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10116 Alan Modra <amodra@bigpond.net.au>
10119 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10120 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10121 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10122 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10123 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10124 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10125 (rs6000_override_options): Initialize rs6000_ieeequad.
10126 Initialize TFmode format to ibm_extended_format if not
10128 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10130 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10131 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10132 (function_arg_advance): IBM long double passed in two FPRs, not
10134 (function_arg): IBM long double passed in FPRs.
10135 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10136 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10137 Only multireg GPR aligned.
10138 (rs6000_init_libfuncs): Enable IBM long double functions if not
10140 (rs6000_generate_compare): Use IBM long double compare if not
10142 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10143 (TARGET_IEEEQUAD): Define.
10144 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10145 not TARGET_IEEEQUAD.
10146 * config/rs6000/rs6000.md: Enable TFmode patterns if
10148 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10149 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10150 and -mlong-double-128 are incompatible.
10151 * doc/invoke.texi (-mabi): Collect options together. Add
10152 ibmlongdouble and ieeelongdouble.
10154 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10156 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10158 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10159 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10160 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10161 * rtl.h (rtunion_def): Remove rt_ptr.
10163 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10164 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10165 * config/i386/winnt.c (i386_pe_mark_dllexport)
10166 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10168 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10170 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10172 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10176 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10177 pthread_key_delete. From John David Anglin. gthrw-ify
10178 pthread_getunique_np only if it it's not a macro. Delete
10180 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10181 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10182 __gthread_objc_condition_signal, __gthread_key_delete): Add
10183 "__attribute__ ((__unused__))" to unused arguments.
10184 (__gthread_recursive_mutex_init_function): Add missing return.
10185 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10186 gthr-posix95.h: Use macro-based approach for name redirection
10187 on targets missing weakref.
10189 2006-01-26 Zack Weinberg <zackw@panix.com>
10191 * genconditions.c (write_header): In generated code, #ifdef out
10192 all includes and fake declarations, except includes of bconfig.h
10193 and system.h, unless GCC_VERSION >= 3001. Do not include
10194 gensupport.h in any case.
10195 (write_conditions): Generate a definition of struct c_test. Add
10196 a comment to the generated #endif.
10197 (write_one_condition): Escape backslashes in string too.
10198 (write_writer): Generated code must escape backslashes and quote
10199 marks (but not newlines) in the strings it writes.
10200 * Makefile.in (build/gencondmd.o): Update dependencies.
10202 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10205 * Makefile.in (insn-automata.o): Add header file dependencies.
10206 * genautomata.c: Add includes.
10208 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10211 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10213 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10215 * configure.ac: Expect target tools paths to be passed from the toplevel
10216 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10218 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10220 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10223 * c.opt (Wpointer-sign): Init to -1.
10224 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10225 OPT_pedantic, to 0 otherwise.
10226 * doc/invoke.texi: Update.
10228 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10230 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10231 constants provided by 80387 instructions in the destination mode.
10233 2006-01-26 Richard Guenther <rguenther@suse.de>
10234 Andrew Pinski <pinskia@physics.uc.edu>
10237 partial PR tree-opt/17064
10238 * tree-ssa-structalias.c (intra_create_variable_infos):
10239 Create heap variables for incoming parameters if
10240 flag_argument_noalias > 1.
10241 (find_what_p_points_to): Look through default defs of
10244 2006-01-26 Jeff Law <law@redhat.com>
10247 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10248 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10249 within the VR_RANGE, use the VR_RANGE as the result, not the
10251 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10252 bounds for the type.
10254 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10256 * tree-ssa-alias.c (maybe_create_global_var): Change
10257 subvar walking to an assertion that we don't have subvar'd variables.
10259 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10262 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10263 Use a new variable, inner. PARM_DECLs are always non-weak.
10265 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10267 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10268 --disable-checking.
10270 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10272 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10274 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10276 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10277 (smax_insn, smin_insn, smax_0, smin_0): New.
10279 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10282 * config/cris/cris.c (cris_order_for_addsi3): New function.
10283 * config/cris/cris-protos.h: Prototype it.
10284 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10285 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10286 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10287 (split for "op.S1 [rx=rx+i],ry (swapped)")
10288 (split for "op(s|u).S1 [rx=rx+i],ry")
10289 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10290 Apply cris_order_for_addsi3 when generating addsi3 insns.
10292 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10294 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10295 (TREE_BLOCK): Add call to EXPR_CHECK.
10297 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10300 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10301 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10302 (dump_omp_clauses): ... here.
10303 (dump_generic_node): Handle OMP_CLAUSE.
10304 * tree.c (omp_clause_num_ops): New.
10305 (omp_clause_code_name): New.
10306 (tree_code_size): Handle OMP_CLAUSE.
10307 (tree_size): Likewise.
10308 (make_node): Document handling of OMP_CLAUSE.
10309 (tree_node_structure): Handle OMP_CLAUSE.
10310 (omp_clause_check_failed): New.
10311 (omp_clause_range_check_failed): New.
10312 (omp_clause_operand_check_failed): New.
10313 (build_omp_clause): New.
10314 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10315 * tree.h (enum omp_clause_code): Declare.
10316 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10317 (OMP_CLAUSE_RANGE_CHECK): Define.
10318 (OMP_CLAUSE_ELT_CHECK): Define.
10319 (omp_clause_check_failed): Declare.
10320 (omp_clause_operand_check_failed): Declare.
10321 (omp_clause_range_check_failed): Declare.
10322 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10323 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10324 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10325 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10326 (OMP_CLAUSE_IF_EXPR): Likewise.
10327 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10328 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10329 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10330 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10331 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10332 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10333 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10334 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10335 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10336 (OMP_CLAUSE_CODE): Define.
10337 (OMP_CLAUSE_SET_CODE): Define.
10338 (OMP_CLAUSE_CODE): Define.
10339 (OMP_CLAUSE_OPERAND): Define.
10340 (struct tree_omp_clause): Declare.
10341 (union tree_node): Add field 'omp_clause'.
10342 * treestruct.def (TS_OMP_CLAUSE): Define.
10343 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10344 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10345 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10346 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10347 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10348 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10349 (OMP_CLAUSE): Define.
10350 * print-tree.c (print_node): Handle OMP_CLAUSE.
10351 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10352 * c-typeck.c: Likewise.
10353 * gimplify.c: Likewise.
10354 * c-omp.c: Likewise.
10355 * tree-nested.c: Likewise.
10356 * tree-inline.c: Likewise.
10357 * c-parser.c: Likewise.
10358 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10361 2006-01-25 Roger Sayle <roger@eyesopen.com>
10363 PR rtl-optimization/25703
10364 * combine.c (try_combine): Handle zero_extract and strict_low_part
10365 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10367 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10369 * global.c: Fix comment typos.
10371 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10374 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10375 Use output_addr_const instead of assemble_name.
10377 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10379 * Makefile.in (sched-vis.o): Update dependencies.
10380 * haifa-sched.c (sched_finish): Clear current_sched_info.
10381 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10382 (dump_flow_info): Call it.
10383 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10385 * basic-block.h (dump_bb_info): Declare.
10386 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10387 option, and apply options only for dump files whose TDF_RTL,
10388 TDF_TREE, or TDF_IPA bits match.
10389 * rtl.h: Declare new functions exported from sched-vis.c.
10390 * sched-vis.c: Enable also if scheduling is not used.
10391 (print_value): Print the mode of registers if not inside scheduling.
10392 (print_insn): Make it work outside the scheduler. Beautify the output
10394 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10396 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10398 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10399 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10400 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10401 depending on the value of CONSTANT_POOL_ADDRESS_P.
10402 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10404 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10405 rather than SYMBOL_REF_DECL.
10406 (rtx_constant_pool): Remove const_rtx_sym_htab.
10407 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10408 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10409 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10410 Remove handling of const_rtx_sym_htab.
10411 (find_pool_constant): Delete.
10412 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10413 rather than find_pool_constant.
10414 (get_pool_constant_for_function): Delete.
10415 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10416 find_pool_constant.
10417 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10418 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10419 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10420 (SYMBOL_REF_CONSTANT): New macro.
10421 (get_pool_constant_for_function): Delete.
10422 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10423 rather than SYMBOL_REF_DECL.
10424 (i386_pe_mark_dllimport): Likewise.
10425 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10426 rather than SYMBOL_REF_DECL.
10427 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10428 (machopic_indirect_call_target): Likewise.
10430 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10432 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10434 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10436 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10438 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10440 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10442 2006-01-24 David Daney <ddaney@avtrex.com>
10445 * configure.ac (enable_tls): New enable option.
10446 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10447 * configure: Regenerate.
10448 * doc/install.texi (--enable-tls): Document new option.
10449 (--disable-tls): Ditto.
10451 2006-01-24 Richard Henderson <rth@redehat.com>
10453 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10454 * alias.c (true_dependence): Respect it.
10455 (canon_true_dependence, write_dependence_p): Likewise.
10456 * builtins.c (get_builtin_sync_mem): Set it.
10458 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10460 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10463 2006-01-24 DJ Delorie <dj@redhat.com>
10465 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10466 for storing constants in single-bit bitfields.
10468 2006-01-25 Ben Elliston <bje@au.ibm.com>
10470 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10472 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10475 * tree-ssa-pre.c (phi_translate): Return NULL
10476 for AGGREGATE_TYPE's.
10478 2006-01-24 Zack Weinberg <zackw@panix.com>
10480 * genautomata.c (process_state_for_insn_equiv_partition):
10481 Use xcalloc for insn_arcs_array.
10482 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10483 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10485 2006-01-24 Richard Henderson <rth@redhat.com>
10487 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10488 update all callers.
10490 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10492 PR rtl-optimization/25890
10493 PR rtl-optimization/25905
10494 * combine.c (expand_compound_operation, expand_field_assignment):
10495 Fail if the bitfield's final position is out of bounds.
10497 2006-01-24 Ian Lance Taylor <ian@airs.com>
10499 PR middle-end/25930
10500 * cgraphunit.c (cgraph_output_in_order): Don't clear
10501 cgraph_asm_nodes until after asm strings have been output.
10503 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10505 * fix-header.c (read_scan_file): Add new parameter imultilib when
10506 calling register_include_chains.
10508 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10510 * omp-low.c: Update documentation.
10512 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10513 Daniel Berlin <dberlin@dberlin.org>
10517 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10518 return from the function.
10520 2006-01-22 Zack Weinberg <zackw@panix.com>
10522 * rtl.def (match_code): Add second argument.
10523 * genpreds.c (write_extract_subexp): New function.
10524 (write_match_code): Add path argument. Use write_extract_subexp.
10525 (write_predicate_expr): Pass path to write_match_code.
10526 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10527 not perform a mode test.
10528 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10529 a subexpression does not constrain the top-level code set.
10530 * read-rtl.c (read_rtx_variadic): New function.
10531 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10532 * doc/md.texi: Document new notation.
10533 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10534 (cmpsi_operand): ... here, using new notation.
10536 2006-01-22 Zack Weinberg <zackw@panix.com>
10538 * varray.c: Remove GENERATOR_FILE #ifdefs.
10540 2006-01-22 Zack Weinberg <zackw@panix.com>
10542 * genautomata.c (output_reserved_units_table): Emit nothing if
10543 description->query_units_num is zero. Remove extra blank line.
10544 (output_cpu_unit_reservation_p): Short circuit
10545 if description->query_units_num is zero.
10547 2006-01-22 Zack Weinberg <zackw@panix.com>
10549 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10550 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10551 nor any of the random handful of variables that used to be necessary
10552 when this program was linked with rtlanal.o. Prune set of forward
10553 function declarations.
10554 (struct attr_desc): Remove static_p field.
10555 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10556 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10557 (attr_string): Do not read the character one past the length of
10559 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10560 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10561 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10562 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10563 (make_automaton_attrs): New.
10564 (main): Do not call into genautomata. Call local gen_bypass
10565 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10566 Remove special case for insn_alts.
10567 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10568 varray.h (leftover from previous change). Prune set of forward
10569 function declarations. Remove state_alts fields from all
10570 structures. Remove state_alts_table from struct automaton.
10571 Make everything except main static. Do not maintain num_dfa_decls.
10572 Do not maintain state_alts fields of various structures.
10573 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10574 (add_arc): Remove state_alts argument. All callers updated.
10575 (output_reserved_units_table): Emit #ifdef here...
10576 (output_tables): ...not here. Don't generate state_alts tables.
10577 (expand_automata): Don't generate attributes.
10578 (write_automata): Don't generate state_alts functions.
10579 (main): New function.
10580 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10581 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10582 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10583 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10584 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10585 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10586 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10587 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10589 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10590 * genattrtab.h: Delete file.
10591 * Makefile.in (OBJS-common): Add insn-automata.o.
10592 (insn-automata.o): New rule.
10593 (simple_generated_c): Add insn-automata.c.
10594 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10595 (genprogmd): Add automata.
10596 (build/genattrtab): Needs no extra objects nor libraries.
10597 (build/genautomata): Needs build/vec.o and -lm.
10599 2006-01-22 Zack Weinberg <zackw@panix.com>
10601 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10602 (output_dfa_max_issue_rate, locked_states_num): Delete.
10603 (struct automaton): Add locked_states field.
10604 (output_dead_lock_vect): Save number of locked states in
10605 automaton->locked_states. If it is zero, don't print anything.
10606 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10607 (output_internal_dead_lock_func): Only test the dead_lock_vect
10608 for automata that have locked states.
10609 (output_statistics): Always print the number of locked states for
10610 each automaton. Calculate total number of locked states here.
10611 (write_automata): Don't call output_dfa_max_issue_rate.
10612 * genattrtab.c: Define length_unit_log as a const variable.
10613 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10614 max_insn_queue_index const.
10615 * final.c (length_unit_log): Declare const.
10616 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10618 2006-01-22 Zack Weinberg <zackw@panix.com>
10620 * genautomata.c: Include vec.h, not varray.h.
10621 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10622 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10623 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10624 VEC_* macros operating on appropriately typed vectors, or to
10625 malloced arrays when the size is known in advance. Const-ify
10626 many char* variables and function arguments. No functional changes.
10627 * Makefile.in (build/varray.o): Delete rule.
10628 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10629 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10631 2006-01-22 Zack Weinberg <zackw@panix.com>
10633 * gensupport.c: Define get_insn_name and record_insn_name here.
10634 (read_md_rtx): Call record_insn_name as appropriate.
10635 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10636 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10637 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10639 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10640 (BUILD_VARRAY): Delete.
10641 (genprognormal): Rename genprogmd. Fold in all programs from
10642 genprognoprint; also attrtab.
10643 (build/genattrtab): Just mention genautomata.o and varray.o.
10644 Reorganize a bit, add comments to make the categories clearer.
10646 2006-01-22 Zack Weinberg <zackw@panix.com>
10648 * genconditions.c (condition_table, add_condition): Delete.
10649 (write_conditions): Don't emit n_insn_conditions nor
10650 insn_elision_unavailable. Issue the gcc version #ifdef here,
10651 inside the table, with no #else clause ...
10652 (write_header): ...not here.
10653 (write_writer): New function.
10654 (main): Don't initialize condition_table. Use add_c_test.
10656 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10657 files on the command line.
10658 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10659 Return -1 if there is no entry in the table, don't abort.
10660 (add_c_test, traverse_c_tests): New functions.
10661 * gensupport.h (insn_elision_unavailable, insn_conditions)
10662 (n_insn_conditions): Delete declarations.
10663 (add_c_test, traverse_c_tests): Declare.
10664 * read-rtl.c: Include gensupport.h.
10665 (read_conditions): New function.
10666 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10667 (read_rtx_1): If we get EOF when we were looking for an initial
10668 open paren, return 0. Call read_conditions when appropriate.
10669 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10670 dummy-conditions.o. Eliminate references to insn-conditions.o,
10671 or change them to build/gencondmd.o, as appropriate. Remove
10672 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10673 from $(simple_generated_c). For all files remaining in those
10674 two lists, add insn-conditions.md to the generator command line.
10675 Give insn-constants.h/s-constants their own rules. Add rules
10676 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10677 (build/read-rtl.o): Depend on gensupport.h.
10678 (genprognormal): Include preds.
10679 (genprogearly): Rename genprognoprint; only difference is now that
10680 they don't link with $(BUILD_PRINT).
10681 * dummy-conditions.c: Delete.
10683 2006-01-22 Zack Weinberg <zackw@panix.com>
10685 * genextract.c: Don't include insn-config.h. Do include vec.h.
10686 Declare vectors of int, char, and locstr.
10687 (locstr): New typedef.
10688 (struct extraction): Make all array fields into bare pointers.
10689 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10690 (insn_code_number): Delete.
10691 (accum_extract): New struct.
10692 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10693 (gen_insn): Take insn_code_number as an argument. Use an
10694 accum_extract structure instead of loading data directly into
10695 a struct extraction, and having to know how big it might get.
10696 (walk_rtx): Operate entirely on an accum_extract structure.
10697 (print_path): Avoid unnecessary use of printf.
10698 (print_header): New function, split out of main. Distinguish
10699 more carefully between an unrecognizable insn and an insn that
10700 has the code number of a define_expand.
10701 (main): Pass insn_code_number to gen_insn. Call print_header
10702 only after parsing. Avoid unnecessary use of printf.
10703 * Makefile.in (build/vec.o): New rule.
10704 (build/genextract): Depend on build/vec.o.
10705 (build/genextract.o): Don't depend on insn-config.h.
10707 2006-01-22 Zack Weinberg <zackw@panix.com>
10709 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10710 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10711 practical. Eliminate per-generator-program link rules.
10713 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10715 PR middle-end/24437
10716 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10717 with a call expr to ...
10718 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10720 2006-01-23 Richard Guenther <rguenther@suse.de>
10722 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10723 before make_edge with conditional EDGE_TRUE_VALUE.
10725 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10726 Jan Hubicka <jh@suse.cz>
10727 Richard Guenther <rguenther@suse.de>
10729 PR rtl-optimization/25654
10730 * cfgexpand.c (aggregate_contains_union_type): New function.
10731 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10732 for structure variables that contain a union type.
10734 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10736 * gengtype.c (new_structure): Return the structure.
10737 (create_option): Add an extra "next" argument.
10738 (create_field): New function.
10739 (adjust_field_rtx_def): Use create_option and create_field.
10740 Remove a now-unnecessary call to find_structure.
10741 (adjust_field_tree_def): Likewise.
10742 (note_yacc_type): Remove an unnecessary call to find_structure.
10743 * gengtype.h (new_structure): Return the structure.
10744 (create_option): Add an extra argument.
10745 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10746 (option): Adjust calls to create_option.
10748 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10750 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10752 2006-01-22 Paul Brook <paul@codesourcery.com>
10753 Peter Barada <peter@the-baradas.com>
10755 * config/m68k/m68k.md: Add Coldfire FPU support.
10756 Define FP mode macro and associated attributes.
10757 Use it for float mode patterns.
10758 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10759 (LIBCALL_VALUE): Use m68k_libcall_value.
10760 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10761 (m68k_function_value): Ditto.
10762 (emit_move_sequence): Ditto.
10763 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10764 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10765 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10766 (MULTILIB_EXCEPTIONS): Ditto.
10767 * config/m68k/m68k.opt: Add mcfv4e.
10768 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10769 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10770 (m68k_output_function_prologue): Save ColdFire FPU registers.
10771 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10772 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10773 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10774 ColdFire FPU registers.
10775 (m68k_libcall_value, m68k_function_value): New functions.
10776 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10777 (LIBCALL_VALUE): Use m68k_libcall_value.
10778 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10779 (MASK_COLDFIRE): Add MASK_CFV4E.
10780 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10781 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10782 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10783 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10784 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10785 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10786 * doc/invoke.tex: Document -mcfv4e on m68k.
10788 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10790 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10793 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10796 * c-opts.c (c_common_handle_option): Don't include
10797 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10798 * doc/invoke.texi (C++ Dialect Options): Document that
10799 -Wnon-virtual-dtor is no longer included in -Wall.
10801 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10803 * gcov.c (print_version), gcov-dump.c (print_version),
10804 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10807 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10809 * df-scan.c (problem_SCAN): Added NULL reset function.
10810 (df_scan_reset_blocks): Added code to call reset block function
10811 (df_bb_refs_delete) Fixed comment.
10812 (df_insn_refs_delete): Made tolerant of deleting non existent info
10813 for dataflow problems that need to be reset.
10814 * df-core.c (df_set_blocks): Ditto.
10815 * df.h (struct df_problem): Added reset_fun.
10816 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10817 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10818 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10819 functions to clear out all references to def-use or use-def chains.
10821 2006-01-21 Ben Elliston <bje@au.ibm.com>
10823 * varasm.c (assemble_real): Initialise data array.
10825 2006-01-20 Paul Brook <paul@codesourcery.com>
10827 Merge from csl-arm-branch.
10828 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10829 * config/arm/arm.md (movdi): Force operands[1] to a register
10830 if we have a non-register source.
10831 (*arm_movdi, *movdf_soft_insn): Require that one of the
10832 operands be a register.
10833 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10834 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10836 2006-01-20 DJ Delorie <dj@redhat.com>
10838 * varasm.c (initializer_constant_valid_p): Allow pointers
10839 initialized from integer constants of lesser precision.
10840 (output_constant): Allow non-int-sized pointer modes to be
10841 initialized from integer constants.
10843 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10846 * cppdefault.h (struct default_include): Add multilib flag.
10847 * cppdefault.c (cpp_include_defaults): Set it.
10848 * c.opt (-imultilib): New option.
10849 * c-opts.c (imultilib): New.
10850 (c_common_handle_option): Handle -imultilib.
10851 (c_common_post_options): Likewise.
10852 * c-incpath.c (add_standard_paths, register_include_chains):
10854 * c-incpath.h (register_include_chains): Add extra parameter.
10855 * gcc.c (do_spec_1): Generate -imultilib option.
10856 (The Specs Language): Update %I description.
10857 (process_command): Update copyright notice.
10858 * doc/cppopts.texi (-imultilib): Document.
10859 * doc/invoke.texi (-imultilib): Include in option summary.
10860 (%I): Update specs documentation.
10862 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10864 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10866 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10868 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10871 2006-01-20 Richard Guenther <rguenther@suse.de>
10872 Steven Bosscher <stevenb.gcc@gmail.com>
10874 PR rtl-optimization/24626
10875 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10876 EDGE_TRUE_VALUE if in RTL mode.
10879 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10880 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10882 2006-01-20 Dirk Mueller <dmueller@suse.com>
10885 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10886 instead of a special NOP marker.
10887 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10888 NOP marker handling.
10889 * c-common.h (empty_body_warning): Add forward declaration.
10890 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10891 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10893 2006-01-20 Paul Brook <paul@codesourcery.com>
10895 * Makefile.in (lang_checks): Keep going if mkdir fails.
10897 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10899 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10900 be able to clean out basic block when not necessary.
10901 (df_scan_free): Fixed to properly delete information if df is
10902 unused before calling df_finish.
10903 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10904 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10906 (df_bb_refs_delete): New function.
10907 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10908 * df-core.c (df_set_blocks): Added code to properly clean out
10909 unused blocks if they are not part of the blocks to consider.
10910 Added additional null check.
10911 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10912 be able to clean out basic block when not necessary
10913 * df.h (df_free_bb_function): Ditto.
10914 (df_bb_refs_delete): New function.
10915 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10916 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10917 basic block parameter to be able to clean out basic block when not
10919 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10920 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10921 Fixed to properly delete information if df is unused before
10924 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10926 PR rtl-optimization/25799
10927 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10928 Corrected confluence operator to remove bits from op2 before oring
10929 with op1 rather than removing bits from op1.
10930 (df_ru_transfer_function): Corrected test on wrong bitmap which
10931 caused infinite loop. Both of these problems were introduced in
10932 the dataflow rewrite.
10934 2006-01-19 DJ Delorie <dj@redhat.com>
10936 * reload1.c (find_reload_regs): Note the details of reload
10937 failures in the dump file.
10938 (spill_failure): Likewise.
10940 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10942 * loop-iv.c: Include df.h and hashtab.h.
10943 (enum iv_grd_result): New enum.
10944 (DF_REF_IV, DF_REF_IV_SET): New macros.
10945 (struct biv_entry): New.
10946 (df, bivs): New global variables.
10947 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10948 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10950 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10951 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10952 analyzed_for_bivness_p, record_biv): New functions.
10953 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10954 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10955 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10957 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10959 (iv_number_of_iterations): Use new interface to iv analysis.
10960 * loop-unroll.c: Do not include varray.h.
10961 (analyze_iv_to_split_insn): Use new interface to iv
10963 * loop-unswitch.c (may_unswitch_on): Ditto.
10964 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10966 (df_bb_modify): Realloc tables to the new index.
10967 (df_find_use): New function.
10968 * df.h (df_find_use): Declare.
10969 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10971 * cfgloop.h (struct rtx_iv): Remove analysed field.
10972 (iv_get_reaching_def): Removed.
10973 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10974 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10975 (loop-iv.o): Add df.h and hashtab.h dependency.
10976 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10978 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10981 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10983 (__floatundisf, __floatundidf): Likewise.
10984 * libgcc2.h (IS_IBM_EXTENDED): Define.
10986 2006-01-19 DJ Delorie <dj@redhat.com>
10988 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10990 2006-01-19 Paul Brook <paul@codesourcery.com>
10992 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10993 as nothrow when unwinding tables are disabled.
10995 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10998 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10999 of bit-field" when in system header.
11001 2006-01-19 DJ Delorie <dj@redhat.com>
11003 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11004 the 16 bit shift limit of the m16c.
11006 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11009 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11010 * config/i386/i386.c (output_set_got): Output the label if we have one
11011 for the TARGET_DEEP_BRANCH_PREDICTION case.
11013 2006-01-19 Jan Hubicka <jh@suse.cz>
11014 H.J. Lu <hongjiu.lu@intel.com>
11015 Evandro Menezes <evandro.menezes@amd.com>
11017 * invoke.texi (generic): Document
11019 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11020 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11021 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11022 (x86_use_incdec, x86_pad_returns): New variables
11023 (TARGET_CPU_DEFAULT_generic): New constant
11024 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11025 (enum processor_type): Add generic32 and generic64.
11026 * i386.md (cpu attribute): Add generic32/generic64
11027 (movhi splitter): Behave sanely when both partial_reg_dependency and
11028 partial_reg_stall are set.
11029 (K8 splitters): Enable for generic as well.
11030 * predicates.md (incdec_operand): Use TARGET_INCDEC
11031 (aligned_operand): Avoid memory mismatch stalls.
11032 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11033 * ppro.md: Enable for generic32
11034 * i386.c (generic64_cost, generic32_cost): New.
11035 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11036 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11037 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11038 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11039 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11040 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11041 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11042 x86_accumulate_outgoing_args, x86_prologue_using_move,
11043 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11044 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11045 Enable for generic.
11046 (x86_use_incdec, x86_pad_returns): New.
11047 (override_options): Add generic32 and generic64, translate "generic"
11048 to generic32/generic64 and "i686" to "generic32", refuse
11049 "generic32"/"generic64" as arch target.
11050 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11051 (ix86_reorg): Honor PAD_RETURNS.
11053 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11055 * tree-pretty-print.c (dump_generic_node): Handle
11056 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11057 * cgraph.c (cgraph_expand_queue): Rename from
11058 cgraph_analyze_queue. Update all users.
11059 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11060 cgraph_expand_queue.
11061 (cgraph_expand_all_functions): Likewise.
11062 (cgraph_finalize_pending_functions): Remove. Update callers.
11064 * tree.h (OMP_DIRECTIVE_P): Define.
11065 (OMP_PARALLEL_FN): Define.
11066 (OMP_PARALLEL_DATA_ARG): Define.
11067 (OMP_SECTIONS_SECTIONS): Define.
11068 * tree-pass.h (pass_expand_omp): Declare.
11069 * omp-low.c (struct omp_region): Declare.
11070 (struct omp_context): Remove fields 'parallel_type',
11071 'parallel_start_ix' and 'parallel_start_additional_args'.
11073 (struct omp_for_data): Rename from struct expand_omp_for_data.
11074 (omp_regions): New static variable.
11075 (root_omp_region): New static variable.
11076 (find_omp_clause): Make static.
11077 (is_in_combined_parallel_ctx): Remove.
11078 (is_combined_parallel): New.
11079 (extract_omp_for_data): Move earlier in the file.
11080 (workshare_safe_to_combine_p): New.
11081 (get_ws_args_for): New.
11082 (determine_parallel_type): Move earlier in the file.
11083 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11085 (omp_copy_decl): Likewise.
11086 (create_omp_child_function): Likewise.
11087 (lookup_omp_region): New.
11088 (dump_omp_region): New.
11089 (debug_omp_region): New.
11090 (debug_all_omp_regions): New.
11091 (new_omp_region): New.
11092 (scan_omp_parallel): If parallel_nesting_level > 1, the
11093 directive is nested within another parallel directive.
11094 Set OMP_PARALLEL_FN.
11095 (scan_omp_for): Do not try to handle combined parallel+for
11097 Remove FIXME comment.
11098 (scan_omp_nested): Remove.
11099 (scan_omp_1): Do not call scan_omp_nested when
11100 parallel_nesting_level is > 1.
11101 Do not change the DECL_CONTEXT of local variables found.
11102 (lookup_decl_in_outer_ctx): New.
11103 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11104 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11105 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11106 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11107 If CTX is nested, lookup VAR in the outer context when
11108 building copy assignment.
11109 (lower_send_clauses): Rename from expand_send_clauses.
11110 If CTX is nested, lookup VAR in the outer context when
11111 building copy assignments.
11112 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11113 If CTX is nested, lookup VAR in the outer context when
11114 building copy assignments.
11115 (expand_parallel_call): Rename from build_parallel_call.
11116 Handle combined parallel+workshare cases.
11117 Re-implement to emit code into the CFG.
11119 (expand_omp_parallel): Re-implement to emit code into the CFG.
11120 Call move_sese_region_to_fn to outline the sub-graph
11121 containing the parallel region.
11122 (expand_omp_for_1): Remove.
11123 (expand_omp_for_generic): Re-implement to emit code into the
11125 (expand_omp_for_static_nochunk): Likewise.
11126 (expand_omp_for_static_chunk): Likewise.
11127 (expand_omp_for): Likewise.
11128 (expand_omp_sections): Likewise.
11129 (remove_exit_barriers): New.
11130 (expand_omp_synch): New.
11132 (build_omp_regions_1): New.
11133 (build_omp_regions): New.
11134 (execute_expand_omp): New.
11135 (gate_expand_omp): New.
11136 (pass_expand_omp): Define.
11137 (lower_omp_sections): Rename from expand_omp_sections.
11138 Set OMP_SECTIONS_SECTIONS.
11139 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11140 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11141 (lower_omp_single): Rename from expand_omp_simple.
11142 (lower_omp_master): Rename from expand_omp_master.
11143 (lower_omp_ordered): Rename from expand_omp_ordered.
11144 (lower_omp_critical): Rename from expand_omp_critical.
11145 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11146 (lower_omp_for): Re-implement.
11147 (lower_omp_parallel): Re-implement.
11148 (lower_regimplify): Rename from expand_regimplify.
11149 (lower_omp_1): Rename from expand_omp_1.
11150 If there are syntax errors in the program, replace every
11151 OpenMP directive with NOP.
11152 Call lower_omp_* instead of expand_omp_*.
11153 (lower_omp): Rename from expand_omp.
11155 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11156 * tree-gimple.h (enum omp_parallel_type): Remove.
11157 (gimple_boolify): Declare extern.
11158 (find_omp_clause, determine_parallel_type): Remove.
11160 * gimple-low.c (lower_omp_directive): New.
11161 (lower_stmt): Call it.
11162 (record_vars_into): Move from ...
11163 (record_vars): ... here.
11164 Call record_vars_into with current_function_decl.
11166 * gimplify.c (struct gimplify_ctx): Remove fields
11167 combined_pre_p and combined_ctxp. Update users.
11168 (get_formal_tmp_var): Add documentation.
11169 (gimple_boolify): Make extern.
11170 (gimplify_expr_in_ctx): Remove. Update callers.
11171 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11172 will always be a BIND_EXPR.
11173 (gimplify_expr): Handle OMP_RETURN_EXPR.
11174 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11175 (OMP_PARALLEL): Add 3 operands.
11176 (OMP_SECTIONS): Add 1 operand.
11177 (OMP_RETURN_EXPR): Define.
11179 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11180 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11181 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11182 creating a circular free list.
11183 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11185 * tree-flow.h (move_sese_region_to_fn): Declare.
11186 (record_vars_into): Declare.
11187 * tree-cfg.c (make_omp_sections_edges): New.
11188 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11189 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11190 OMP_SECTIONS and OMP_SECTION.
11191 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11192 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11193 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11194 (gather_blocks_in_sese_region): New.
11195 (struct move_stmt_d): Declare.
11196 (move_stmt_r): New.
11197 (move_block_to_fn): New.
11198 (move_sese_region_to_fn): New.
11200 * passes.c (init_optimization_passes): Schedule
11201 pass_expand_omp after pass_init_datastructures.
11203 * tree-ssa-operands.c (get_expr_operands): Handle
11204 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11205 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11207 2006-01-19 Jeff Law <law@redhat.com>
11209 * tree-vrp.c (extract_range_from_assert): Refine the result range
11210 if the variable referenced by the ASSERT_EXPR has a range and
11211 either the tentative result range or the previous range is a
11214 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11216 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11218 2006-01-19 Jan Hubicka <jh@suse.cz>
11220 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11222 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11224 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11225 (expand_compound_operation, expand_field_assignment): Fail if the
11226 bit lengths of an extract operation are out of range.
11227 (make_extraction): Compute wanted_inner_mode based on the position
11228 and length of the extraction. Make it extraction_mode for non-constant
11229 positions, and do not modify offset in that case. When generating a
11230 new MEM, use a mode that can hold the extraction while keeping correct
11231 alignment. Remove code that supported MEMs wrapped by USEs.
11232 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11234 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11236 * config/s390/s390.md ("Y", "y"): New mode attribute.
11237 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11238 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11239 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11240 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11241 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11242 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11243 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11244 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11245 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11246 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11247 "addsi3", "subsi3"): Insn patterns removed.
11248 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11249 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11250 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11251 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11252 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11253 "*sub<mode>3_cconly2"): New insn patterns.
11254 ("addsi3", "subsi3"): New expanders.
11256 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11258 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11259 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11260 existing STMT_VINFO_VECTYPE if available.
11261 (vect_mark_relevant): Add special handling for stmts that are
11262 marked as STMT_VINFO_IN_PATTERN_P.
11263 (vect_analyze_loop): Call vect_pattern_recog.
11264 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11265 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11267 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11268 (vect_recog_func_ptr): New function-pointer type.
11269 * tree-vect-patterns.c: New file.
11270 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11271 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11272 (vect_pattern_recog_1): New functions.
11273 (vect_pattern_recog_funcs): New array of function pointers.
11275 * tree-vectorizer.h (ternary_op): New enum value.
11276 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11277 declaration. Revised documentation. Removed redundant dump prints.
11278 Removed redundant argument. Added support for reduction patterns.
11279 (vectorizable_reduction): Added support for reduction patterns.
11280 (vect_transform_stmt): Added support for patterns.
11282 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11283 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11284 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11285 (expand_widen_pattern_expr): New function.
11286 (init_optabs): Initialize new optabs udot_prod_optab,
11288 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11289 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11290 (expand_widen_pattern_expr): New function declaration.
11291 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11293 * tree-inline.c (estimate_num_insns_1): Added cases for new
11294 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11295 * tree-pretty-print.c (dump_generic_node): Likewise.
11296 (op_prio): Likewise.
11297 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11298 * tree-ssa-operands.c (get_expr_operands): Added case for
11300 * tree-vect-patterns.c (widened_name_p): New function.
11301 (vect_recog_dot_prod_pattern): Added function implementation.
11302 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11303 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11304 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11305 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11307 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11308 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11309 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11310 (init_optabs): Initialize new optabs widen_ssum_optab,
11312 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11313 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11314 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11315 use instead of type of def.
11316 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11317 function implementation.
11318 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11319 widen_ssumv8hi): New.
11321 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11324 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11327 * c-decl.c (add_flexible_array_elts_to_size): New function.
11328 (finish_decl): Use it.
11330 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11332 * diagnostic.h: Include options.h.
11333 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11334 dependancies for diagnostic.h.
11335 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11337 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11339 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11340 (ssa_ro_call_cache_valid): Ditto.
11341 * tree-ssa-alias.c (sort_tags_by_id): New function.
11342 (init_transitive_clobber_worklist): Ditto.
11343 (add_to_worklist): Ditto.
11344 (mark_aliases_call_clobbered): Ditto.
11345 (compute_tag_properties): Ditto.
11346 (set_initial_properties): Ditto.
11347 (compute_call_clobbered): Ditto.
11348 (compute_may_aliases): Call compute_call_clobbered and grouping.
11349 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11350 (compute_flow_insensitive_aliasing): Grouping now happens in our
11352 (setup_pointers_and_addressables): Remove clobbering related code.
11353 (add_may_alias): Ditto.
11354 (replace_may_alias): Ditto.
11355 (get_nmt_for): Ditto.
11356 (create_global_var):
11357 (is_escape_site): Return an escape_type enumeration.
11358 * tree-flow-inline.h (is_call_clobbered): Global var does not
11359 imply call clobbered.
11360 (mark_call_clobbered): Take a reason for marking this. Remove
11361 marking of globalness, and cache invalidation.
11362 (clear_call_clobbered): Remove cache invalidation code.
11363 * tree-dfa.c (dump_variable): If details is on, dump the reason
11365 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11367 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11368 (struct var_ann_d): Ditto.
11369 (enum escape_type): New.
11370 (mark_call_clobbered): Adjust prototype.
11371 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11372 are never call clobbered.
11373 Record reasons for escaping.
11374 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11375 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11376 (ssa_ro_call_cache_valid): Ditto.
11377 (clobbered_v_may_defs): Ditto.
11378 (clobbered_vuses): Ditto.
11379 (ro_call_vuses): Ditto.
11380 (clobber_stats): New.
11381 (init_ssa_operands): Zero out clobber stats.
11382 (fini_ssa_operands): Print out clobber stats.
11383 (get_call_expr_operands): Pass callee fndecl to
11384 add_call_read_ops).
11385 (add_call_clobber_ops): Remove use of cache.
11386 Add use of PURE_CONST information.
11387 (add_call_read_ops): Remove use of cache.
11388 Add use of static not_read information.
11390 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11392 Introduce TLS descriptors for i386 and x86_64.
11393 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11394 (TARGET_ANY_GNU_TLS): New macro.
11395 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11396 (struct machine_function): Add tls_descriptor_call_expanded_p.
11397 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11398 (ix86_current_function_calls_tls_descriptor): Likewise.
11399 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11400 (override_options): Introduce gnu2 tls dialect.
11401 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11403 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11405 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11406 (ix86_init_machine_status): Initialize new field.
11407 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11408 (ix86_tls_module_base): New.
11409 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11410 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11411 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11412 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11413 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11414 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11415 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11416 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11417 * config/i386/predicates.md (tls_modbase_operand): New.
11418 (tp_or_register_operand): New.
11420 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11422 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11423 (look_for_address_of): Ditto.
11424 (ipa_init): Walk the function decls.
11425 (static_execute): Don't set readonly on FUNCTION_DECL's.
11427 2006-01-18 Roger Sayle <roger@eyesopen.com>
11429 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11430 for shifts where the source and destination registers are different.
11432 2006-01-18 Paul Brook <paul@codesourcery.com>
11434 Merge from csl-arm-branch.
11435 2005-03-14 Julian Brown <julian@codesourcery.com>
11436 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11437 (aeabi_llsl): Likewise.
11438 (ashrdi3): Likewise.
11439 (aeabi_lasr): Likewise.
11440 (lshrdi3): Likewise.
11441 (aeabi_llsr): Likewise.
11442 2005-03-10 Julian Brown <julian@codesourcery.com>
11443 * config.gcc: Disable shared libgcc for SymbianOS.
11444 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11446 2006-01-18 DJ Delorie <dj@redhat.com>
11448 * c-pragma.c (handle_pragma_diagnostic): New.
11449 (init_pragma): Register it.
11450 * doc/extend.texi: Document it.
11452 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11453 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11454 (diagnostic_context): Add classify_diagnostic[].
11455 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11456 as errors if they're overridden to DK_WARNING.
11457 (diagnostic_initialize): Initialize classify_diagnostic[].
11458 (diagnostic_set_kind_override): New.
11459 (diagnostic_report_diagnostic): Check for kind changes.
11460 * opts.c (common_handle_option): Take lang_mask. Update callers.
11461 Handle OPT_Werror_.
11462 * common.opt (Werror=): New.
11463 * doc/invoke.texi: Document -Werror=*
11465 2006-01-18 Jeff Law <law@redhat.com>
11467 * tree-vrp.c (test_for_singularity): Correct test for new
11468 min limit. Use operand_equal_p rather than pointer equality
11469 for testing if new min/max values are equal.
11471 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11472 using range information until after propagation and folding.
11474 2006-01-18 Richard Henderson <rth@redhat.com>
11475 Aldy Hernandez <aldyh@redhat.com>
11476 Jakub Jelinek <jakub@redhat.com>
11477 Diego Novillo <dnovillo@redhat.com>
11479 * omp-low.c: New file.
11480 * c-omp.c: New file.
11482 2006-01-18 Richard Henderson <rth@redhat.com>
11483 Jakub Jelinek <jakub@redhat.com>
11484 Diego Novillo <dnovillo@redhat.com>
11486 * doc/invoke.texi: Document -fopenmp.
11487 * tree-dump.h (debug_function): Declare.
11488 * hooks.c (hook_bool_tree_bool_false): New function.
11489 (hook_tree_tree_null): Remove.
11490 (hook_tree_tree_tree_null): New.
11491 * hooks.h: Update to match.
11492 * tree-pretty-print.c (debug_tree_chain): New.
11493 (print_generic_expr): Handle TDF_CHAIN.
11494 (dump_generic_node): Handle BLOCK.
11495 Do not abort with incomplete SWITCH_EXPRs.
11496 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11497 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11498 print space after directive name.
11499 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11500 Handle OMP_MASTER and OMP_ORDERED.
11501 Handle printing of OMP_BODY just in one place, goto
11502 dump_omp_body in the rest of OMP_* nodes that have
11504 Don't handle clause nodes here. Update omp statements to
11505 use dump_omp_clauses.
11506 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11507 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11508 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11509 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11510 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11511 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11512 Adjust output for GOMP_PARALLEL.
11513 (dump_omp_clauses): New.
11514 (print_declaration): Dump DECL_VALUE_EXPR.
11515 (op_symbol_1): Split out of op_symbol.
11516 (dumping_stmts): Remove. Update all users.
11517 * cgraph.c (cgraph_analyze_queue): New.
11518 (cgraph_add_new_function): New.
11519 * cgraph.h (cgraph_analyze_queue): Declare.
11520 (cgraph_add_new_function): Declare.
11521 (cgraph_lower_function): Remove.
11522 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11523 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11524 and TYPE_P nodes in its default clause.
11525 (empty_body_p): New.
11526 (tree_range_check_failed): New.
11527 (build5_stat): New.
11528 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11529 OMP_CLAUSE_REDUCTION_MERGE,
11530 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11531 OMP_CLAUSE_PRIVATE_DEBUG,
11532 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11533 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11534 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11535 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11536 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11537 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11538 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11539 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11540 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11541 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11542 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11543 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11544 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11545 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11546 (TREE_RANGE_CHECK): New.
11547 (empty_body_p): Declare.
11548 (enum omp_clause_default_kind): New.
11549 (build_string_literal): Declare.
11550 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11551 (build5_stat, build5): Declare.
11552 * tree-pass.h (TDF_CHAIN): Define.
11553 * tree-pass.h (PROP_gimple_lomp): Define.
11554 (pass_lower_omp): Declare.
11555 * diagnostic.h (debug_tree_chain): Declare.
11556 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11558 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11559 * builtins.c (build_string_literal): Make extern.
11560 * gcc.c (include_spec_function): New.
11561 (static_spec_functions): Add it.
11562 (main): Move load of libgomp.spec ...
11563 (LINK_COMMAND_SPEC): ... here.
11564 (link_gomp_spec): New.
11565 (static_specs): Include it.
11566 (LINK_COMMAND_SPEC): Add link_gomp.
11567 (GOMP_SELF_SPECS): New.
11568 (driver_self_specs): Include it.
11569 (switch_matches): Don't mark inline.
11570 (main): Load libgomp.spec.
11571 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11572 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11573 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11574 * tree-gimple.h (enum omp_parallel): Declare.
11575 (determine_parallel_type): Declare.
11576 (omp_firstprivatize_variable): Declare.
11577 (omp_reduction_init): Declare.
11578 (diagnose_omp_structured_block_errors): Declare.
11579 (struct walk_stmt_info): Add want_return_expr.
11580 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11581 (find_omp_clause): Declare.
11582 (insert_field_into_struct): Declare.
11583 (struct walk_stmt_info): Move from tree-nested.c
11584 (walk_stmts): Declare.
11585 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11587 * cgraphunit.c (cgraph_lower_function): Make static.
11588 (cgraph_finalize_pending_functions): New.
11589 (cgraph_finalize_function): Call it.
11590 (cgraph_finalize_compilation_unit): Likewise.
11591 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11592 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11593 (BT_FN_UINT_UINT): New.
11594 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11595 DEF_FUNCTION_TYPE_VAR_4): Document.
11596 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11597 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11598 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11599 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11600 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11601 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11602 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11603 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11604 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11605 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11606 into separate files.
11607 (DEF_GOMP_BUILTIN): New.
11608 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11609 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11610 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11611 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11612 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11613 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11614 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11615 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11616 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11617 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11618 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11619 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11620 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11621 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11622 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11623 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11624 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11625 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11626 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11627 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11628 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11629 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11630 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11631 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11632 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11633 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11634 * sync-builtins.def: New file, moved from builtins.def.
11635 * omp-builtins.def: New file, moved from builtins.def.
11636 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11637 * gimple-low.c (lower_function_body): Clear data.
11638 (lower_stmt): Do not handle COMPOUND_EXPR.
11639 Remove call to print_node_brief.
11640 * c-tree.h (c_finish_omp_clauses): New prototype.
11641 (C_DECL_THREADPRIVATE_P): Define.
11642 (lookup_name_no_remap, c_omp_remap_private): Remove
11643 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11644 (check_for_loop_decls): Update decl.
11645 (lookup_name_no_remap, c_omp_remap_private): Declare.
11646 (build_indirect_ref, build_modify_expr, pushdecl,
11647 pushdecl_top_level): Move to c-common.h.
11648 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11649 before the switch, but just in the 2 places that need it.
11650 * c-decl.c (diagnose_mismatched_decls): Do not check for
11651 mismatched thread-local attributes when OLDDECL is marked
11652 threadprivate and NEWDECL has no thread-local attributes.
11653 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11654 (c_gimple_diagnostics_recursively): Rename from
11655 c_warn_unused_result_recursively. Invoke
11656 diagnose_omp_structured_block_errors.
11657 (check_for_loop_decls): Return a singular decl found.
11658 * langhooks.c (lhd_omp_predetermined_sharing): Return
11659 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11660 (lhd_omp_firstprivatize_type_sizes): New.
11661 (lhd_omp_assignment): New.
11662 (lhd_omp_predetermined_sharing): New.
11663 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11664 (struct lang_hooks_for_types): Add
11665 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11666 omp_predetermined_sharing, omp_disregard_value_expr,
11667 omp_private_debug_clause, omp_clause_default_ctor,
11668 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11669 (c_finish_omp_clauses): New.
11670 (c_finish_bc_stmt): Diagnose break within omp for.
11671 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11672 (build_unary_op): Return error_mark after reporting
11674 (build_modify_expr): Likewise.
11675 * gimplify.c: Include optabs.h and pointer-set.h.
11676 (enum gimplify_omp_var_data): Declare.
11677 (struct gimplify_omp_ctx): Declare.
11678 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11680 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11681 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11682 (splay_tree_compare_decl_uid): New.
11683 (new_omp_context): New.
11684 (delete_omp_context): New.
11685 (gimple_add_tmp_var): Call omp_add_variable.
11686 (gimplify_bind_expr): Likewise.
11687 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11688 true, disregard DECL_VALUE_EXPR on the decl if any.
11689 (gimplify_expr_in_ctx): New.
11690 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11691 omp_add_variable, omp_notice_variable, omp_is_private
11692 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11693 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11694 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11695 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11696 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11697 gimplify_omp_atomic): New.
11698 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11699 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11700 OMP_CRITICAL and OMP_ATOMIC.
11701 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11702 * c-pragma.h (enum pragma_kind): Add
11703 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11704 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11705 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11706 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11707 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11708 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11709 PRAGMA_OMP_THREADPRIVATE.
11710 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11711 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11712 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11713 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11714 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11715 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11716 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11717 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11718 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11719 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11720 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11721 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11722 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11724 (struct nesting_info): Add field_map,
11725 suppress_expansion, debug_var_chain.
11726 (create_nesting_tree): Initialize them.
11727 (lookup_field_for_decl): Use field_map.
11728 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11729 (convert_local_omp_clauses): New.
11730 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11731 (walk_body): Split out of walk_function.
11732 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11733 (convert_nonlocal_reference): Handle omp statements.
11734 (convert_local_reference): Likewise.
11735 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11736 (unnest_nesting_tree): New.
11737 (lower_nested_functions): Call it.
11738 (insert_field_into_struct): Make extern.
11739 (struct walk_stmt_info): Move to tree-gimple.h.
11740 (walk_stmts): Make extern.
11741 * omp-builtins.def: New file.
11742 * tree-iterator.c (expr_only): Clarify comment.
11743 * c-common.h (pushdecl_top_level, pushdecl,
11744 build_modify_expr, build_indirect_ref,
11745 c_finish_omp_master, c_finish_omp_critical,
11746 c_finish_omp_ordered, c_finish_omp_barrier,
11747 c_finish_omp_atomic, c_finish_omp_flush,
11748 c_finish_omp_for, c_split_parallel_clauses,
11749 omp_clause_default_kind, c_omp_sharing_predetermined,
11750 c_omp_remap_decl): Declare.
11751 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11752 (OBJS-common): Add omp-low.o.
11753 (c-omp.o, omp-low.o): Add.
11754 (gimplify.o): Add dependency on $(OPTABS_H).
11755 (GTFILES): Add omp-low.c.
11756 (gt-stringpool.h): Add.
11757 * tree-cfg.c (set_bb_for_stmt): Do not update the
11758 block-to-labels map if we are currently expanding to RTL.
11759 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11761 Handle IDENTIFIER_NODE.
11762 (tree_verify_flow_info): Do not ICE when emitting error
11763 messages about invalid labels.
11764 (dump_function_to_file): Reset CFUN before emitting the body
11766 (debug_function): New.
11767 * passes.c (init_optimization_passes): Schedule
11769 * langhooks-def.h (lhd_omp_predetermined_sharing,
11770 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11772 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11773 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11774 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11775 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11776 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11777 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11778 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11779 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11780 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11781 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11782 (LANG_HOOK_DECLS): Use them.
11784 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11785 Richard Henderson <rth@redhat.com>
11786 Jakub Jelinek <jakub@redhat.com>
11787 Diego Novillo <dnovillo@redhat.com>
11789 * c-parser.c (pragma_omp_clause): Define.
11790 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11791 (c_parser_compound_statement): Likewise.
11792 (c_parser_statement): Likewise.
11793 (c_parser_pragma): Handle omp pragmas.
11794 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11795 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11796 (c_parser_omp_clause_name, check_no_duplicate_clause,
11797 c_parser_omp_variable_list,
11798 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11799 c_parser_omp_clause_copyprivate,
11800 c_parser_omp_clause_default,
11801 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11802 c_parser_omp_clause_lastprivate,
11803 c_parser_omp_clause_nowait,
11804 c_parser_omp_clause_num_threads,
11805 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11806 c_parser_omp_clause_reduction,
11807 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11808 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11809 c_parser_omp_atomic, c_parser_omp_barrier,
11810 c_parser_omp_critical, c_parser_omp_flush,
11811 c_parser_omp_for_loop, c_parser_omp_for,
11812 c_parser_omp_master, c_parser_omp_ordered,
11813 c_parser_omp_sections_scope, c_parser_omp_sections,
11814 c_parser_omp_parallel, c_parser_omp_single,
11815 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11816 * c-pragma.c (init_pragma): Do omp pragma registration here.
11817 * c.opt (fopenmp): New flag.
11819 2006-01-18 Eric Christopher <echristo@apple.com>
11821 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11822 * config/darwin.h (GOMP_SELF_SPECS): Define.
11824 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11826 * rtl.h: Remove the prototype for reg_alloc.
11828 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11831 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11832 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11833 sjlj and dwarf2 exception handling.
11834 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11835 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11836 * pa/pa.c (function_value): Treat complex and vector types as
11838 (function_arg): Likewise. Only pass scalar floats in the floating
11839 point argument registers.
11840 * pa/t-slibgcc-dwarf-ver: New file.
11841 * pa/t-slibgcc-sjlj-ver: New file.
11842 * pa/t-slibgcc-elf-ver: Delete file.
11844 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11846 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11847 unlikely_test_section_p test.
11849 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11851 * mode-switching.c (optimize_mode_switching): Make it static.
11852 * basic-block.h: Remove the prototype for
11853 optimize_mode_switching.
11855 * modulo-sched.c (sms_schedule): Make it static.
11856 * rtl.h: Remove the prototype for sms_schedule.
11858 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11859 * rtl.h: Remove the prototype for gcse_after_reload_main.
11861 * reg-stack.c (reg_to_stack): Make it static.
11862 * rtl.h: Remove the prototype for reg_to_stack.
11864 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11866 * rtl.h: Remove the prototypes for regrename_optimize and
11867 copyprop_hardreg_forward.
11869 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11871 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11872 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11873 Test against the appropriate null constant for the mode.
11874 If 'fixup_overlap' is true, swap the operands if they overlap.
11875 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11876 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11877 alpha_split_tmode_pair and adjust for above change.
11878 * config/alpha/alpha.md (movtf_internal): Adjust call to
11879 alpha_split_tfmode_pair and rely on it to swap the operands.
11880 (movti_internal): New insn and post-reload splitter.
11881 (movti): New expander.
11883 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11885 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11888 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11890 * rtlanal.c (global_reg_mentioned_p_1,
11891 global_reg_mentioned_p): Remove.
11892 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11894 * flow.c (initialize_uninitialized_subregs): Make it static.
11895 * rtl.h: Remove the prototype for
11896 initialize_uninitialized_subregs.
11898 * function.c (instantiate_virtual_regs): Make it static.
11899 * function.h: Remove the prototype for
11900 instantiate_virtual_regs.
11902 * regmove.c (regmove_optimize, combine_stack_adjustments):
11904 * rtl.h: Remove the prototypes for regmove_optimize and
11905 combine_stack_adjustments.
11907 2006-01-17 Roger Sayle <roger@eyesopen.com>
11909 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11910 (size_cost): Encode costs in bytes so that a reg-reg addition is
11911 equivalent to COSTS_N_INSNS(1).
11912 (override_options): Use the size_cost.branch_cost as the default
11913 ix86_branch_cost when optimizing for size.
11915 2006-01-18 Ben Elliston <bje@au.ibm.com>
11917 * Makefile.in (D32PBIT_FUNCS): New.
11918 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11919 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11920 D64PBIT_FUNCS and D128PBIT_FUNCS.
11921 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11922 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11924 (decnumber_dep): Define.
11925 * doc/libgcc.texi (Decimal float library routines): New node.
11926 * config/dfp-bit.h, config/dfp-bit.c: New files.
11928 2006-01-18 Ben Elliston <bje@au.ibm.com>
11930 * expr.c (emit_move_change_mode): Always adjust addresses, not
11931 just during reload. Copy replacements only during reload.
11932 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11933 emit_move_via_integer.
11935 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11937 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11938 instead of $(srcdir) and ${srcdir}.
11940 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11943 PR middle-end/11135
11944 * arm.h (struct machine_function): Add pic_reg.
11945 * arm.c (arm_pic_register): Make unsigned.
11946 (arm_override_options): Only set arm_pic_register if
11947 TARGET_SINGLE_PIC_BASE.
11948 (use_return_insn): Only test for a pic register if it is fixed.
11949 (arm_compute_save_reg0_reg12_mask): Likewise.
11950 (thumb_compute_save_reg_mask): Likewise.
11951 (legitimate_pic_operand): Factor out some known invariants.
11952 (legitimize_pic_address): If we don't have a fixed pic register,
11953 then set up a pseudo in the function entry sequence. Handle the
11954 pic base being in a pseudo.
11955 (arm_load_pic_register): Handle the pic register being in a pseudo.
11956 (arm_expand_prologue): Only set up the pic register if it is fixed.
11957 (thumb_expand_prologue): Likewise.
11958 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11959 (pic_load_addr_based_insn): Likewise.
11960 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11963 2006-01-18 Ben Elliston <bje@au.ibm.com>
11965 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11966 decimal float modes for all floating point registers.
11968 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11969 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11971 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11974 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11975 even when the pointer is not NULL.
11977 2006-01-16 Ian Lance Taylor <ian@airs.com>
11979 * common.opt (ftoplevel-reorder): New option.
11980 * cgraph.c (cgraph_asm_nodes): New global variable.
11981 (cgraph_asm_last_node): New static variable.
11982 (cgraph_order): New global variable.
11983 (cgraph_create_node): Set new order field.
11984 (cgraph_varpool_node): Likewise.
11985 (decide_is_variable_needed): Return true if not
11986 flag_toplevel_reorder.
11987 (cgraph_add_asm_node): New function.
11988 * cgraph.h (struct cgraph_node): Add order field.
11989 (struct cgraph_varpool_node): Add order field.
11990 (struct cgraph_asm_node): Define.
11991 (cgraph_asm_nodes, cgraph_order): Declare.
11992 (cgraph_add_asm_node): Declare.
11993 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11995 (cgraph_varpool_assemble_pending_decls): Call it.
11996 (cgraph_output_pending_asms): New static function.
11997 (cgraph_finalize_compilation_unit): Call it.
11998 (struct cgraph_order_sort): Define.
11999 (cgraph_output_in_order): New static function.
12000 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12001 !flag_toplevel_reorder case.
12002 * c-parser.c: Include "cgraph.h".
12003 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12005 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12006 than -fno-unit-at-a-time.
12007 * doc/invoke.texi (Option Summary): Mention
12008 -fno-toplevel-reorder.
12009 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12010 -funit-at-a-time documentation.
12012 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12013 Kazu Hirata <kazu@codesourcery.com>
12015 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12017 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12019 * Makefile.in (FUNCTION_H): New. Use it instead of
12020 function.h throughout the file.
12021 * function.h: Include tree.h.
12023 2006-01-17 Ben Elliston <bje@au.ibm.com>
12025 * recog.c: Separate some functions with whitespace.
12027 2006-01-16 Richard Henderson <rth@redhat.com>
12029 Merge from gomp branch:
12030 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12031 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12032 and rename from struct inline_data. Rename callee* to dst*;
12033 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12034 transform_new_cfg, transform_return_to_modify, and
12035 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12037 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12038 (copy_decl_for_dup): Remove.
12039 * tree-inline.c (struct inline_data): Move to header.
12040 (insert_decl_map): Export.
12041 (remap_decl): Update for member name changes. Use copy_decl hook.
12042 Allow for replacement to be a non-decl. Remove dead code.
12043 (remap_type_1): Check for existing mapping.
12044 (remap_type): Export.
12045 (remap_decls): Update for member name changes.
12046 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12047 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12048 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12049 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12050 (tree_function_versioning, build_duplicate_type): Likewise.
12051 (copy_body_r): Likewise. Export.
12052 (copy_decl_for_dup): Split into ...
12053 (copy_decl_for_dup_finish, copy_decl_to_var,
12054 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12055 (replace_ref_tree, inlining_p): Remove.
12057 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12059 * ifcvt.c (if_convert): Make it static.
12060 * rtl.h: Remove the prototype for if_convert.
12062 * local-alloc.c (local_alloc): Make it static.
12063 * rtl.h: Remove the prototype for local_alloc.
12065 * loop.c (loop_optimize): Make it static.
12066 * cfgloop.h: Remove the prototype for loop_optimize.
12069 2006-01-16 DJ Delorie <dj@redhat.com>
12071 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12074 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12076 * pa.md: Disparage copies between general and floating-point registers
12077 in 32-bit move patterns.
12079 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12082 * Makefile.in (check-%): Depend on site.exp instead of
12083 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12086 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12088 * global.c (global_alloc): Make it static.
12089 * rtl.h: Remove the prototype for global_alloc.
12091 2006-01-16 Richard Guenther <rguenther@suse.de>
12093 * tree-ssa-alias.c (struct used_part): Add write_only field.
12094 (get_or_create_used_part_for): Initialize it to true.
12095 (create_overlap_variables_for): Don't create structure variables
12096 for structures that only are written to.
12097 (find_used_portions): Handle MODIFY_EXPR to track whether a
12098 structure is only written to.
12100 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12102 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12104 * basic-block.h: Remove the prototype for
12105 partition_hot_cold_basic_blocks.
12107 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12109 * cppspec.c (lang_specific_spec_functions): Remove.
12110 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12111 * gcc.h (lang_specific_spec_functions): Remove.
12112 * gccspec.c (lang_specific_spec_functions): Remove.
12114 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12116 * combine.c (record_value_for_reg): Invalidate registers
12118 (record_dead_and_set_regs_1): Likewise, by passing them to
12119 record_value_for_reg.
12120 (record_dead_and_set_regs): Invalidate stores made by a
12121 call. We do not combine across a call, but we still
12122 relied on equivalences.
12124 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12126 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12127 vrp_int_const_binop returning non-constant nodes.
12129 2006-01-16 Paul Brook <paul@codesourcery.com>
12131 * config/m68k/m68k.c (output_move_const_into_data_reg):
12132 Output correct mnemonic for mvz and mvs.
12134 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12136 * rtl-factoring.c: Add sequence abstraction algorithm.
12137 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12138 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12140 (block_has_preserve_label): New function.
12141 * common.opt: Register new pass.
12142 * Makefile.in: Ditto.
12144 * timevar.def: Ditto.
12145 * tree-pass.h: Ditto.
12146 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12147 * rtl.h (make_jump_insn_raw): Add forward decl.
12148 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12150 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12151 Roger Sayle <roger@eyesopen.com>
12153 * fold-const.c (fold_minmax): New static function.
12154 (fold_binary) <MIN_EXPR>: Call it.
12155 <MAX_EXPR>: Likewise.
12156 * stor-layout.c (place_field): Use DECL_SIZE consistently
12157 in the computation of the new record size.
12159 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12161 * cse.c (cse_condition_code_reg): Make it static.
12162 * rtl.h: Remove the prototype for cse_condition_code_reg.
12164 * combine.c (combine_instructions): Make it static.
12165 * rtl.h: Remove the prototype for combine_instructions.
12167 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12170 * tree.c (get_file_function_name_long): Concatenate the first global
12171 object name with a string derived from the input filename of the object
12174 2006-01-16 Ben Elliston <bje@au.ibm.com>
12176 * config/i386/winnt-stubs.c: Update FSF address.
12177 * config/xtensa/ieee754-df.S: Ditto.
12178 * config/xtensa/ieee754-sf.S: Ditto.
12180 2006-01-14 Ian Lance Taylor <ian@airs.com>
12182 * ifcvt.c (noce_init_if_info): New static function, broken out of
12183 noce_process_if_block.
12184 (noce_process_if_block): Call noce_init_if_info.
12185 (check_cond_move_block): New static function.
12186 (cond_move_process_if_block): New static function.
12187 (process_if_block): Call cond_move_process_if_block.
12189 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12191 * cselib.c (hash_table): Rename to cselib_hash_table.
12192 (cselib_clear_table, discard_useless_values,
12193 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12194 cselib_init, cselib_finish): Adjust uses of hash_table.
12196 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12198 PR tree-optimization/25485
12199 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12200 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12201 is known to be false and true, respectively.
12203 2006-01-14 Richard Guenther <rguenther@suse.de>
12205 PR tree-optimization/22548
12206 PR tree-optimization/22555
12207 PR tree-optimization/22501
12208 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12209 * params.def (salias-max-array-elements): New parameter.
12210 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12211 * doc/invoke.texi (salias-max-array-elements): Document.
12212 * tree-flow-inline.h (var_can_have_subvars): We also handle
12214 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12216 * tree-ssa-structalias.c (params.h): Include.
12217 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12218 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12219 (get_constraint_for): For ADDR_EXPR operating on something
12220 containing an ARRAY_REF, add all subvars to the solution.
12221 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12222 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12223 for creating MUST_DEFs.
12224 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12226 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12228 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12230 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12231 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12232 number_of_iterations_le): New functions.
12233 (number_of_iterations_special): Removed.
12234 (number_of_iterations_exit): Do not use number_of_iterations_special.
12235 * tree.c (unsigned_type_for): Always return integer type.
12237 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12238 Richard Guenther <rguenther@suse.de>
12240 PR rtl-optimization/24257
12241 * gcse.c (find_moveable_store): Only consider a store movable
12242 when the SET_SRC of the insn can be assigned to a register.
12244 2006-01-14 Ian Lance Taylor <ian@airs.com>
12246 * tree.c (tree_not_class_check_failed): New function.
12247 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12248 (tree_not_class_check_failed): Declare.
12250 2006-01-13 Ian Lance Taylor <ian@airs.com>
12252 * reload1.c (do_output_reload): Add assertion rejecting a
12255 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12257 * combine.c (struct reg_stat): Add new fields truncation_label and
12259 (record_value_for_reg): Reset truncated_to_mode.
12260 (record_truncated_value): New function.
12261 (check_promoted_subreg): Call it. Rename to check_conversions.
12262 (combine_instructions): Rename check_promoted_subreg to
12264 (reg_truncated_to_mode): New function.
12265 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12266 (gen_lowpart_or_truncate): New function.
12267 (force_to_mode): Use it instead of gen_lowpart.
12269 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12271 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12272 VAR is a tag, not its type tag.
12274 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12276 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12277 alternatives to match style of other entries.
12278 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12280 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12282 PR tree-optimization/25771
12283 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12286 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12289 * tree-inline.c (declare_return_variable): If the return variable
12290 was marked as a non gimple complex, set the return slot variable
12291 to be a non gimple comple variable.
12293 2006-01-13 Richard Guenther <rguenther@suse.de>
12295 * builtins.c (expand_builtin_sincos): New function.
12296 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12298 (expand_builtin): Expand sincos using expand_builtin_sincos.
12300 2006-01-12 DJ Delorie <dj@redhat.com>
12302 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12303 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12304 so that constant shifts can be split.
12305 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12306 (m32c_valid_pointer_mode): Make static.
12307 (shift_gen_func_for): New.
12308 (m32c_prepare_shift): Use it. Split large const shifts into
12310 * config/m32c/predicates.md (shiftcount_operand): Allow more
12312 (longshiftcount_operand): New.
12313 * doc/md.texi (Machine Constraints): Document In6.
12315 2006-01-13 Ben Elliston <bje@au.ibm.com>
12317 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12318 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12321 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12323 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12324 to try to avoid clobbering pieces of structures when we know
12325 something about the whole structure.
12326 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12328 2006-01-13 Ben Elliston <bje@au.ibm.com>
12330 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12331 return in memory, as this is no limitation is no longer present.
12333 2006-01-12 DJ Delorie <dj@redhat.com>
12335 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12336 mova with fb, and for fb+0 -> An.
12338 * config/m32c/mov.md (peephole2): Fix enabling logic.
12340 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12341 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12342 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12343 FINI_ARRAY_SECTION_ASM_OP): Define.
12345 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12347 (m32c_legitimize_reload_address): New logic to reload FB to An.
12348 (m32c_output_reg_push): Add newline.
12349 (m32c_output_reg_pop): Likewise.
12351 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12353 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12355 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12357 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12359 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12361 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12364 2006-01-11 Ben Elliston <bje@au.ibm.com>
12366 * rtlanal.c (find_reg_note): Assert insn is not null.
12368 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12370 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12373 2006-01-11 Jeff Law <law@redhat.com>
12375 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12377 (mark_threaded_blocks, register_jump_thread): New functions.
12378 (thread_through_all_blocks): Remove unwanted argument. No
12379 longer rely on e->aux to communicate thread target info.
12380 Call mark_threaded_blocks. Release the threaded_blocks
12381 bitmap and threaded_edges vector when complete.
12382 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12383 (threaded_blocks): Remove.
12384 (tree_ssa_dominator_optimize): Remove initialization and
12385 finalization of threaded_blocks. Simplify call to
12386 thread_through_all_blocks.
12387 (thread_across_edge): Call register_jump_thread rather than
12388 storing thread information into e->aux.
12389 (free_all_edge_infos): Simplify now that e->aux is no longer
12390 used to communicate with thread_through_all_blocks.
12391 * tree-flow.h (thread_through_all_blocks): Update prototype.
12392 (register_jump_thread): Prototype.
12394 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12396 * df-core.c (df_compact_blocks, df_bb_replace): Use
12397 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12399 2006-01-11 Richard Guenther <rguenther@suse.de>
12401 PR tree-optimization/25734
12402 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12403 stop propagation after successful propagation to the LHS.
12405 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12407 * basic-block.h (control_flow_graph): Change the type of
12408 x_basic_block_info to VEC(basic_block,gc) *.
12409 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12411 (SET_BASIC_BLOCK): New.
12412 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12413 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12414 * cfgbuild.c (find_basic_blocks): Likewise.
12415 * cfglayout.c (fixup_reorder_chain): Likewise.
12416 * cfgrtl.c (create_basic_block_structure,
12417 rtl_create_basic_block): Likewise.
12418 * ifcvt.c (find_if_case_1): Likewise.
12419 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12422 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12424 * Makefile.in: Removed rotted odf.c entry.
12426 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12429 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12430 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12431 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12432 output pattern modifier, not %e.
12433 * config/cris/cris.c (cris_op_str): Update comment about pattern
12435 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12436 before falling through into...
12437 <case 'E'>: Redefined from old 'e' case.
12439 2006-01-11 Jan Hubicka <jh@suse.cz>
12442 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12444 2006-01-11 Jan Hubicka <jh@suse.cz>
12446 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12447 * i386.c (x86_decompose_lea): Kill.
12448 (ix86_rtx_costs): Kill.
12450 2006-01-11 Jan Hubicka <jh@suse.cz>
12452 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12453 * cgraph.h (cgraph_node): Add inline_decl.
12454 (cgraph_insert_node_to_hashtable): Declare.
12455 (save_inline_function_body): Declare.
12456 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12458 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12459 (cgraph_function_versioning): Update call of tree_function_versioning.
12460 (save_inline_function_body): New function.
12461 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12462 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12463 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12464 (cgraph_default_inline_p): Likewise.
12465 (cgraph_decide_inlining_incrementally): Likewise.
12466 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12467 (copy_bb): Kill saving; do updating of clones.
12468 (copy_cfg_body): Kill saving.
12469 (initialize_inlined-parameters): Likewise.
12470 (expand_call_inline): Likewise.
12472 (tree_function_versioning): New parameter "update_clones".
12473 (inlining_p): Kill saving.
12474 * tree-inline.h (tree_function_versioning): Update prototype.
12475 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12478 2006-01-11 Ian Lance Taylor <ian@airs.com>
12480 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12481 Allow undoing set of machine mode.
12482 (do_SUBST): Use enums instead of is_int.
12483 (do_SUBST_MODE): New function.
12484 (SUBST_MODE): New macro.
12485 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12486 reg and trying to replace reg_regno_rtx with a new register.
12487 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12488 (simplify_set): Use SUBST_MODE.
12489 (distribute_notes): Remove code that tried to update reg notes
12490 for regno_reg_rtx changes.
12492 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12494 PR tree-optimization/23109
12495 PR tree-optimization/23948
12496 PR tree-optimization/24123
12498 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12499 * tree-cfg.c (single_noncomplex_succ): New.
12500 * tree-flow.h (single_noncomplex_succ): Declare it.
12501 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12502 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12503 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12504 insert_bb, register_division_in, insert_reciprocals,
12505 replace_reciprocal, free_bb): New.
12506 (execute_cse_reciprocals_1): Rewritten.
12507 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12508 Do not commit any edge insertion. Always compute dominators and
12509 create the allocation pool.
12510 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12511 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12512 * targhooks.c (default_min_divistions_for_recip_mul): New.
12513 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12514 * passes.c (init_optimization_passes): Run recip after tree loop
12516 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12518 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12519 Kenneth Zadeck <zadeck@naturalbridge.com>
12521 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12522 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12523 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12524 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12525 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12526 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12527 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12528 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12529 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12530 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12531 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12532 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12533 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12534 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12535 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12536 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12537 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12538 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12539 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12540 DF_SCAN_POST_ALLOC): New macros.
12541 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12542 df_free_bb_function, df_local_compute_function, df_init_function,
12543 df_dataflow_function, df_confluence_function_0,
12544 df_confluence_function_n, df_transfer_function,
12545 df_finalizer_function, df_free_function, df_dump_problem_function,
12546 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12547 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12548 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12549 df_urec_bb_info, ) New types.
12550 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12552 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12553 df_analyze_simple_change_some_blocks,
12554 df_analyze_simple_change_one_block, df_compact_blocks,
12555 df_bb_replace, df_bb_regno_last_use_find,
12556 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12557 df_insn_regno_def_p, df_find_def, df_find_use,
12558 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12559 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12560 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12561 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12562 debug_df_chain, df_get_dependent_problem, df_chain_create,
12563 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12564 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12565 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12566 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12567 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12568 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12569 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12570 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12571 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12572 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12573 df_reorganize_refs, df_set_state, df_hard_reg_init,
12574 df_read_modify_subreg_p) New public functions.
12575 * df-core.c: The core dataflow solver and glue routines for rtl
12577 (df_init, df_add_problem, df_set_blocks, df_finish,
12578 df_hybrid_search_forward, df_hybrid_search_backward,
12579 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12580 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12581 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12582 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12583 df_reg_defined, df_find_use, df_reg_used, df_dump,
12584 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12585 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12586 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12587 debug_df_useno, reset_df_after_reload): New functions.
12588 * df-scan.c: The scanning fuctions, once in df.c, completely
12589 rewritten so that they now fully model the functionality of
12590 register usage at the backend.
12591 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12592 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12593 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12594 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12595 df_get_artificial_defs, df_get_artificial_uses,
12596 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12597 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12598 df_refs_delete, df_reorganize_refs, df_set_state,
12599 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12600 df_def_record_1, df_defs_record, df_uses_record,
12601 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12602 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12603 df_record_exit_block_uses, df_hard_reg_init): New functions.
12605 * df-problems.c: Seven concrete dataflow problems that use the
12606 scanning in df-scan.c and are solved by the engine in df-core.c.
12607 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12608 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12609 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12610 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12611 df_ru_free_bb_info, df_ru_alloc,
12612 df_ru_bb_local_compute_process_def,
12613 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12614 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12615 df_ru_transfer_function, df_ru_free, df_ru_dump,
12616 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12617 df_rd_free_bb_info, df_rd_alloc,
12618 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12619 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12620 df_rd_transfer_function, df_rd_free, df_rd_dump,
12621 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12622 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12623 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12624 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12625 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12626 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12627 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12628 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12629 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12630 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12631 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12632 df_urec_mark_reg_use_for_earlyclobber,
12633 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12634 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12635 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12636 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12637 df_chain_create_bb_process_use, df_chain_create_bb,
12638 df_chain_finalize, df_chain_free, df_chains_dump,
12639 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12640 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12641 df_reg_lifetime): New functions.
12642 * df.c: Deleted file.
12643 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12644 consistent with new df api.
12645 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12646 rest_of_handle_sms): Ditto.
12647 * web.c (unionfind_union, union_defs, entry_register, web_main):
12649 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12650 invariant_expr_equal_p, find_defs, check_dependencies,
12651 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12652 free_inv_motion_data, move_loop_invariants): Ditto.
12653 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12654 Update dependencies.
12655 (odf.c): Added defective entry that was deleted later in day.
12656 * sched-deps.c (sched_analyze_1): Ditto.
12658 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12660 * tree-ssa-operands.c (get_expr_operands): Record addressable
12661 variables directly. Do not call add_stmt_operands for CONST_DECLs
12663 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12664 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12666 2006-01-11 Ben Elliston <bje@au.ibm.com>
12668 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12669 function returns true in the positive case.
12671 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12674 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12675 for SI, DI, SF and DF modes. Add alternatives to copy between
12676 general and floating point registers to the 32-bit patterns.
12677 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12678 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12679 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12680 generating 64-bit code.
12681 * config/pa/pa.c (output_move_double): Handle copies between general
12682 and floating registers.
12684 2006-01-10 Stuart Hastings <stuart@apple.com>
12686 * config/i386/i386.md (set_got): Update.
12687 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12688 (builtin_setjmp_receiver): Mach-O support.
12689 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12690 (GOT_SYMBOL_NAME): Define.
12691 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12692 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12693 * config/i386/i386.c (override_options): Revise for Darwin.
12694 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12695 support. (darwin_x86_file_end): New. (output_set_got): Add label
12696 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12697 * config/i386/i386-protos.h (output_set_got): Likewise.
12698 * config/darwin.c (machopic_legitimize_pic_address): Update
12701 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12703 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12704 when MODE isn't BLKmode.
12706 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12708 PR rtl-optimization/25367
12709 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12711 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12714 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12715 for a negative bound.
12717 2006-01-10 Richard Guenther <rguenther@suse.de>
12719 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12720 Never override with anything constraint.
12722 2006-01-10 Jan Beulich <jbeulich@novell.com>
12724 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12725 256 bits when optimize_size.
12727 2006-01-10 Jan Beulich <jbeulich@novell.com>
12729 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12731 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12732 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12735 2006-01-10 Ben Elliston <bje@au.ibm.com>
12737 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12739 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12740 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12741 (USE_FP_FOR_ARG): Reject decimal float modes.
12742 (function_arg_advance): Likewise.
12743 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12744 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12745 point types in AltiVec vectors.
12746 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12747 (rs6000_libcall_value): Likewise.
12749 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12751 * config/xtensa/ieee754-df.S: New file.
12752 * config/xtensa/ieee754-sf.S: New file.
12753 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12754 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12755 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12757 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12759 * config/sh/predicates.md (binary_float_operator,
12760 binary_logical_operator, commutative_float_operator,
12761 equality_comparison_operator, greater_comparison_operator,
12762 less_comparison_operator, logical_operator,
12763 noncommutative_float_operator, shift_operator,
12764 symbol_ref_operand, unary_float_operator): Remove redundant
12767 2006-01-09 Jeff Law <law@redhat.com>
12769 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12770 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12771 now unused arguments. Callers updated.
12772 (eliminate_redundant_computations): Remove now unused arguments,
12774 (local_fold): Remove, no longer used.
12775 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12777 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12778 (simplify_cond): New function.
12779 (forward_propagate_into_cond): Call simplify_cond.
12781 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12783 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12784 (*vec_extractv2di_1_sse): New.
12786 2006-01-09 Ben Elliston <bje@au.ibm.com>
12788 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12790 2006-01-08 Richard Guenther <rguenther@suse.de>
12792 * tree-ssa-structalias.c (get_constraint_for): Remove
12793 anyoffset argument.
12794 (get_constraint_for_component_ref): Likewise.
12795 (do_deref): Likewise.
12796 (get_constraint_for): Likewise.
12797 (do_structure_copy): Likewise.
12798 (handle_ptr_arith): Likewise.
12799 (find_func_aliases): Likewise. Remove unused need_anyoffset
12802 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12803 Kaz Kojima <kkojima@gcc.gnu.org>
12805 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12806 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12807 (EXTRA_CONSTRAINT_C16): Remove.
12808 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12809 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12810 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12811 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12812 constants of SHmedia. Handle nested constant expressions of
12814 (andcosts): Fix the costs for SHmedia constants.
12815 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12816 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12817 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12818 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12819 (movv4hi_i, movv2si_i): Likewise.
12820 (movsi_const): Adjust the second operand of ior so to match with
12821 the Csu constraint.
12822 (movdi_const, movdi_const_32bit): Likewise.
12823 (movdi_const_16bit+1): Don't sign-extend LOW.
12824 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12826 (*double_shori): Fix the split condition. Use GEN_INT instead
12827 of get_int_mode calls. Mask lower 16-bit of the argument of
12829 (sym2GOTPLT): Remove.
12830 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12832 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12833 instead of EXTRA_CONSTRAINT_C16.
12835 2006-01-07 Ian Lance Taylor <ian@airs.com>
12836 David Edelsohn <edelsohn@gnu.org>
12838 PR rtl-optimization/25662
12839 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12840 for constant operands instead of simplify_gen_binary.
12841 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12842 after trying simplify_binary_operation
12844 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12846 * tree.c (iterative_hash_expr): Hash decls based on UID.
12848 2006-01-06 Eric Christopher <echristo@apple.com>
12850 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12851 (TARGET_UNWIND_EMIT): Fix spelling.
12852 * target.h (gcc_target): Add except_table_label.
12853 * except.c (output_function_exception_table): Use.
12854 * varasm.c (default_emit_except_table_label): New.
12855 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12857 (asm_out): Add here.
12858 * output.h (default_emit_except_table_label): Prototype.
12859 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12860 * config/darwin.c (darwin_emit_except_table_label): Define.
12861 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12863 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12865 PR tree-optimization/18527
12866 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12867 number_of_iterations_special, number_of_iterations_exit):
12868 Move base and step of an iv to a single structure. Add
12869 no_overflow flag, and use it in # of iterations analysis.
12870 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12871 folded_casts argument.
12872 (simple_iv): Pass base and step in a structure. Set no_overflow
12874 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12875 Evaluate expensiveness of computing # of iterations instead of
12876 the final expression.
12877 * tree-scalar-evolution.h (affine_iv): New structure.
12878 (simple_iv): Declaration changed.
12879 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12880 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12881 find_givs_in_stmt): Changed due to simple_iv change.
12883 2006-01-06 Jeff Law <law@redhat.com>
12886 * tree-cfg.c (bsi_replace): Rename final argument from
12887 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12888 change (stmt -> orig_stmt).
12889 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12890 (bsi_remove): Add new argument. Remove EH information
12892 (verify_eh_throw_table_statements): New function.
12893 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12895 * tree-optimize.c (execute_free_cfg_annotations): Verify
12896 the EH throw statement table after removing annotations.
12897 * except.h (verify_eh_throw_table_statements): Prototype.
12898 * tree-flow.h (bsi_remove): Update prototype.
12899 * tree-vrp.c (remove_range_assertions): Add new argument to
12901 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12902 * tree-complex.c (expand_complex_div_wide): Likewise.
12903 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12904 * tree-tailcall.c (eliminate_tailcall): Likewise.
12905 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12906 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12907 * tree-nrv.c (tree_nrv): Likewise.
12908 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12909 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12910 (combine_blocks): Likewise.
12911 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12912 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12913 (cleanup_control_flow): Likewise.
12914 (remove_forwarder_block): Likewise.
12915 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12916 * tree-sra.c (sra_replace): Likewise.
12917 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12918 (forward_propagate_single_use_vars): Likewise.
12919 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12920 * tree-inline.c (expand_call_inline): Likewise.
12921 * tree-vect-transform.c (vect_transform_loop): Likewise.
12922 * tree-outof-ssa.c (rewrite_trees): Likewise.
12923 * tree-cfg.c (make_goto_expr_edges): Likewise.
12924 (cleanup_dead_labels): Likewise.
12925 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12926 (bsi_move_before, bsi_move_after): Likewise.
12927 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12928 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12930 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12933 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12935 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12936 on non gimple variables. Also add checks at the top for decls and
12938 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12940 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12941 and IMAGPART_EXPR for creating MUST_DEFs.
12942 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12943 and NAME_MEMORY_TAG separately from the DECLs.
12945 2006-01-06 Richard Guenther <rguenther@suse.de>
12947 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12948 annotation, if necessary.
12949 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12950 redundant calls to update_stmt.
12951 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12954 2006-01-05 Richard Henderson <rth@redhat.com>
12956 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12958 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12960 * c-typeck.c: Update copyright date.
12962 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12964 * c-typeck.c (build_c_cast): Always warn when casting
12965 from a pointer to an integer of different size, even if
12966 the node was constant.
12968 2006-01-05 Richard Guenther <rguenther@suse.de>
12970 PR tree-optimization/22555
12971 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12972 if one structure field is an array.
12973 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12974 operands even if we found a subvar, but ignore VOPs in this
12976 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12978 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12980 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12982 PR middle-end/24998
12983 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12985 2006-01-05 Richard Guenther <rguenther@suse.de>
12986 Diego Novillo <dnovillo@redhat.com>
12988 * tree-pass.h (TODO_remove_unused_locals): Define.
12989 * gimple-low.c (expand_var_p, remove_useless_vars,
12990 pass_remove_useless_vars): Remove. Update all users.
12991 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12992 (remove_unused_locals): New function.
12993 * tree-flow.h (remove_unused_locals): Declare.
12994 * passes.c (execute_todo): Call remove_unused_locals if
12995 TODO_remove_unused_locals is set.
12996 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12997 * tree-ssa-dce.c (pass_dce): Likewise.
12998 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13000 2006-01-05 Richard Guenther <rguenther@suse.de>
13002 * tree-flow.h (struct fieldoff): Decompose field to
13003 type, size and decl.
13004 * tree-ssa-alias.c (create_sft): Take type as parameter.
13005 (create_overlap_variables_for): Store type, size and decl
13006 in the fieldoff structure.
13007 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13008 of struct fieldoff.
13009 (push_fields_onto_fieldstack): Likewise.
13010 (create_variable_info_for): Likewise. Use offset for the
13011 SFT name if the decl is not available.
13013 2006-01-04 Paul Brook <paul@codesourcery.com>
13015 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13017 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13019 * lambda-code.c (can_put_in_inner_loop): Relax
13021 (can_put_after_inner_loop): New function.
13022 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13023 (perfect_nestify): Change to make copies and modify uses.
13025 2006-01-04 Richard Henderson <rth@redhat.com>
13027 Merge from gomp branch:
13028 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13029 via integer constant.
13030 (pragma_lex): Remove.
13031 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13032 rather than parsing it.
13033 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13034 handle_pragma_extern_prefix): Add %< %> quotes.
13035 (registered_pragmas): New.
13036 (c_register_pragma_1): New.
13037 (c_register_pragma): Use it.
13038 (c_register_pragma_with_expansion): Likewise.
13039 (c_invoke_pragma_handler): New.
13040 (init_pragma): Use cpp_register_deferred_pragma directly for
13042 * c-pragma.h (enum pragma_kind): New.
13043 (pragma_handler): New.
13044 (c_invoke_pragma_handler): Declare.
13045 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13047 * c-common.h (c_common_pch_pragma): Update decl.
13048 * Makefile.in (c-parser.o): Update dependencies.
13049 (GTFILES): Add c-pragma.h.
13050 * c-parser.c (struct c_token): Add pragma_kind.
13051 (struct c_parser): Add in_pragma.
13052 (c_lex_one_token): Always initialize keyword and pragma_kind.
13053 Extract data for CPP_PRAGMA.
13054 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13055 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13056 Don't allow CPP_PRAGMA_EOL if in_pragma.
13057 (c_parser_consume_pragma): New.
13058 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13059 (c_parser_skip_to_end_of_parameter): Likewise.
13060 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13061 (c_parser_skip_to_pragma_eol): New.
13062 (c_parser_external_declaration): Handle CPP_PRAGMA.
13063 (c_parser_compound_statement_nostart): Likewise.
13064 (c_parser_statement_after_labels): Likewise.
13065 (c_parser_pragma): New.
13066 (pragma_lex): Likewise.
13067 (c_parser_pragma_pch_preprocess): New.
13068 (c_parser_new): Merge into ...
13069 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13071 2006-01-04 Jeff Law <law@redhat.com>
13074 * tree-cfg.c (bsi_replace): Remove the original statement
13075 from the EH throw statement table.
13077 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13079 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13080 make the prototype extern "C" and add throw ().
13083 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13084 and pos non-negative and pos + len <= 32.
13085 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13086 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13087 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13090 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13091 as well as sizes not multiple of component size.
13094 * function.c (instantiate_expr): New function.
13095 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13096 walk its DECL_VALUE_EXPR with instantiate_expr.
13098 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13099 DW_OP_deref{,_size} if address isn't going to be added.
13101 2006-01-04 Ben Elliston <bje@au.ibm.com>
13103 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13104 * config/fp-bit.c: Likewise.
13106 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13108 * dominance.c: Add comment about why we use DFS numbering
13111 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13112 Richard Henderson <rth@redhat.com>
13114 Merge from gomp-branch:
13115 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13116 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13118 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13120 PR rtl-optimization/25578
13121 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13122 pass a parameter to simplify_shift_const if changing ASHIFTRT
13125 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13127 * builtins.c (get_builtin_sync_mem): New function.
13128 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13129 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13130 Call get_builtin_sync_mem to generate mem rtx.
13132 2006-01-03 Richard Guenther <rguenther@suse.de>
13135 * stmt.c (add_case_node): Make sure to clear overflow flags
13138 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13140 Merge from gomp-branch.
13141 * config/sparc/sync.md: New file.
13142 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13143 UNSPECV_LDSTUB): New constants.
13144 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13145 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13146 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13149 2006-01-03 Roger Sayle <roger@eyesopen.com>
13151 * combine.c (reg_subword_p): New predicate to test whether the
13152 destination of a set refers to a subword/piece of a register.
13153 (try_combine): Generalize the code to merge the setting of a
13154 pseudo to a constant followed by a set of a subword of that
13155 register to a constant.
13157 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13159 * basic-block.h (control_flow_graph): Change the type of
13160 x_label_to_block_map to VEC(basic_block,gc) *.
13161 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13162 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13164 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13165 VEC(basic_block,heap) *.
13166 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13167 ssa_prop_fini): Adjust the uses of cfg_blocks.
13169 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13171 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13173 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13174 hashing trees instead of a pointer hash.
13175 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13176 compare for MEM_EXPR.
13178 PR rtl-optimization/25130
13179 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13180 when comparing MEMs for GCSE
13182 2006-01-03 Ben Elliston <bje@au.ibm.com>
13184 * targhooks.h (default_decimal_float_supported_p): Declare.
13185 * targhooks.c (default_decimal_float_supported_p): Define.
13186 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13187 `default_decimal_float_supported_p'.
13188 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13190 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13192 * combine.c (apply_distributive_law <SUBREG>): Check
13193 TRULY_NOOP_TRUNCATION.
13195 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13197 * dwarf2out.c (have_switched_text_section): Delete.
13198 (have_multiple_function_sections): New.
13199 (have_location_lists): Make 'bool'.
13200 (add_AT_loc_list): Use 'true' not '1'.
13201 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13202 (output_loc_list): Use have_multiple_function_sections.
13203 (output_ranges): Likewise.
13204 (dwarf2out_begin_function): Set have_multiple_function_sections if
13206 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13207 Check function_section rather than DECL_SECTION_NAME.
13208 (dwarf2out_finish): Use have_multiple_function_sections.
13209 Don't clear have_location_lists.
13211 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13212 Jan Hubicka <jh@suse.cz>
13214 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13215 case of conditional jump jumping to the next instruction.
13216 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13217 cases of conditional jump jumping to the next instruction.
13219 2006-01-02 Jan Hubicka <jh@suse.cz>
13221 * i386.c (*_cost): Add COSTS_N_INSNS.
13222 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13224 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13227 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13229 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13231 * config/arm/arm.c (all_fpus): Fix comment typo.
13232 * config/darwin.c: Likewise.
13233 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13234 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13235 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13237 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13239 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13240 (rs6000_split_compare_and_swapqhi): New.
13241 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13242 (sync_compare_and_swapqhi_internal): New.
13243 * config/rs6000/rs6000-protos.h: Declare.