1 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3 * optabs.c (maybe_encapsulate_block): New function extracted from...
4 (emit_libcall_block): ...here. Invoke it on the block of insns to
5 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6 (emit_no_conflict_block): Likewise.
8 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
12 2006-07-15 Roger Sayle <roger@eyesopen.com>
14 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
15 a new NOP_EXPR case of the switch statement.
17 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
20 * stor-layout.c (place_field): Take the bit field with
21 an excessive size into account in the ms-bitfiled case.
24 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
25 the previous bit field.
27 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
30 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
32 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
34 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
35 signal frames correctly even when the signal was installed with
38 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
41 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
42 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
43 (dbxout_source_line): Use local label LFBB.
44 (dbxout_block): Likewise.
45 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
46 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
47 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
50 2006-07-13 Janis Johnson <janis187@us.ibm.com>
52 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
54 2006-07-13 Jan Hubicka <jh@suse.cz>
56 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
58 * output.h (align_variable): Declare.
59 * varasm.c (align_variable): Export.
60 * value-prof.c (tree_value_profile_transformations): Recompute iterator
61 when basic block changed.
63 2006-07-13 Nick Clifton <nickc@redhat.com>
65 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
66 walking the LOG_LINKS chain.
68 2006-07-12 Geoffrey Keating <geoffk@apple.com>
70 * doc/invoke.texi (C++ Dialect Options): Explain difference
71 between -fvisibility-inlines-hidden and setting hidden
72 visibility explicitly.
74 2006-07-12 Eric Christopher <echristo@apple.com>
76 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
77 (stmp-lipo): Depend on libgcc.a.
79 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
81 * tree.c: Fix a comment typo.
83 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
85 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
87 (umulhisi3_r): Likewise.
89 2006-07-12 Paolo Carlini <pcarlini@suse.de>
92 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
93 x < 19, vs wchar_t support.
95 2006-07-12 Nick Clifton <nickc@redhat.com>
97 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
100 2006-07-12 Mike Stump <mrs@apple.com>
102 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
104 2006-07-10 Eric Christopher <echristo@apple.com>
106 * config/t-slibgcc-darwin: Rewrite.
108 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
111 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
114 2006-07-08 Matthias Klose <doko@debian.org>
116 * doc/sourcebuild.texi: Fix typo.
118 2006-07-07 Mike Stump <mrs@apple.com>
120 * toplev.c (process_options): Don't give -ffunction-sections may
121 affect debugging warning for Mach-O.
123 2006-07-07 James E Wilson <wilson@specifix.com>
125 * config/mips/mips.md (cpu): Add sb1a.
126 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
127 addition to sb1. Adjust comments to clarify SB-1A differences from
129 (ir_sb1a_load): New. Modify bypasses to use it.
130 (ir_sb1a_simple_alu): Likewise.
131 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
132 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
133 (mips_issue_rate): Add PROCESSOR_SB1A.
134 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
135 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
136 (TARGET_SB1): Add PROCESSOR_SB1A check.
137 (TUNE_SB1): Likewise.
139 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
140 * config/mips/mips.c (mips_store_data_bypass_p): New.
141 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
144 2006-07-08 Paul Brook <paul@codesourcery.com>
147 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
149 2006-07-07 Richard Guenther <rguenther@suse.de>
152 * tree.h (build_one_cst): Declare.
153 * tree.c (build_one_cst): New function.
154 * tree-ssa-math-opts.c (get_constant_one): Remove.
155 (insert_reciprocals): Use build_one_cst.
156 * fold-const.c (fold_plusminus_mult): Likewise.
158 2006-07-07 Roger Sayle <roger@eyesopen.com>
160 * pointer-set.c (pointer_set_destroy): Correct whitespace.
161 * cfgloopanal.c (dump_graph): Likewise.
162 * dojump.c (discard_pending_stack_adjust): Likewise.
163 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
165 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
166 * function.c (finalize_block_changes): Likewise.
167 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
168 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
169 * rtl.c (dump_rtx_statistics): Likewise.
170 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
172 * varray.c (dump_varray_statistics): Likewise.
173 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
174 decode_decimal64, encode_decimal128, decode_decimal128,
175 decimal_real_to_decimal): Likewise.
177 2006-07-07 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/28187
180 * tree-vrp.c (vrp_operand_equal_p): New function.
181 (vrp_bitmap_equal_p): Likewise.
182 (update_value_range): Use them to compare old and new
185 2006-07-06 Roger Sayle <roger@eyesopen.com>
187 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
188 a default case to switch statement to silence compiler warnings.
190 2006-07-06 Roger Sayle <roger@eyesopen.com>
193 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
194 the configured assembler supports the x87's ffreep mnemonic.
195 * configure: Regenerate.
196 * config.in: Regenerate.
198 * config/i386/i386.c (output_387_ffreep): New function.
199 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
200 (output_387_reg_move): Likewise.
202 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
204 Port to hosts whose 'sort' and 'tail' implementations
205 treat operands with leading '+' as file names, as POSIX
206 has required since 2001. However, make sure the code still
207 works on pre-POSIX hosts.
208 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
209 which says you should use "tail -c +N" rather than "tail +Nc".
210 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
212 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
214 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
217 2006-07-06 David Edelsohn <edelsohn@gnu.org>
220 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
221 PRE_{INC,DEC} of TFmode.
223 2006-07-06 David Edelsohn <edelsohn@gnu.org>
224 Alan Modra <amodra@bigpond.net.au>
227 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
230 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
233 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
234 Remove duplicate gtu.
236 2006-07-05 Jason Merrill <jason@redhat.com>
240 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
241 * c-common.c (handle_packed_attribute): So don't copy it here.
242 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
244 2006-07-05 Mike Stump <mrs@apple.com>
246 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
248 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
251 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
253 2006-07-05 Richard Guenther <rguenther@suse.de>
256 * config/i386/i386.md (*negdf2_1): Restrict pattern to
257 TARGET_SSE2 targets if using SSE math.
258 (*absdf2_1): Likewise.
260 2006-07-05 Richard Guenther <rguenther@suse.de>
262 PR tree-optimization/28162
263 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
264 make sure to convert the operands to the correct type.
266 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
268 PR tree-optimization/28218
270 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
271 to calculate and free the dominator information.
273 2006-07-04 Peter O'Gorman <peter@pogma.com>
275 * mklibgcc.in: chmod 644 before ranlib during install.
277 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
278 J"orn Rennecke <joern.rennecke@st.com>
280 * configure.ac (.eh_frame data check): Use diff -b.
282 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
285 * Makefile.in (BUILD_RTL): Add build/vec.o.
286 (build/gencondmd.o): Filter out -fkeep-inline-functions.
287 (build/genextract): Delete.
288 (build/genautomata): Likewise.
290 2006-07-04 Alan Modra <amodra@bigpond.net.au>
293 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
294 128-bit IBM long doubles for ABI_V4.
296 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
298 * tree.c (range_in_array_bounds_p): New predicate.
299 * tree.h (range_in_array_bounds_p): Declare it.
300 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
301 return a less conservative answer.
302 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
304 (IS_ELEMENT_FOR_GROUP): New macro.
305 (FOR_EACH_ACTUAL_CHILD): Likewise.
306 (next_child_for_group): New helper function.
307 (can_completely_scalarize_p): Take into account groups.
308 (sra_hash_tree): Handle RANGE_EXPR.
309 (sra_elt_eq): Likewise.
310 (lookup_element): Be prepared for handling groups.
311 (is_valid_const_index): Delete.
312 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
313 instead of is_valid_const_index.
314 <ARRAY_RANGE_REF>: New case.
315 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
316 is_valid_const_index.
317 <ARRAY_RANGE_REF>: Do not unconditionally punt.
318 (scan_dump): Dump info for groups too.
319 (decide_instantiation_1): Likewise.
320 (decide_block_copy): Assert that the element is not a group.
321 Propagate decision to groups.
322 (generate_one_element_ref): Handle RANGE_EXPR.
323 (mark_no_warning): Iterate over actual childs.
324 (generate_copy_inout): Likewise.
325 (generate_element_copy): Likewise.
326 (generate_element_zero): Likewise.
327 (generate_element_init_1): Likewise.
328 (dump_sra_elt_name): Handle RANGE_EXPR.
330 2006-07-03 Roger Sayle <roger@eyesopen.com>
332 PR tree-optimization/26251
333 * tree-ssa-threadupdate.c (redirection_block_p): New function.
334 (thread_block): When optimizing for size refuse to thread jumps
335 that would require duplication of blocks other than redirection
338 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
340 * configure.ac: Fix thinko in previous check-in.
341 * configure: Regenerate.
343 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
346 * configure.ac (for lang...): Simplify nesting of conditionals.
347 Test subdir_requires for non-enabled languages. Move processing
348 of lang_opt_files and lang_tree_fiels below that test.
349 * configure: Regenerate.
350 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
352 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
354 * doc/gcov.texi (Invoking Gcov): Add a missing word.
356 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
358 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
361 2006-06-29 Jason Merrill <jason@redhat.com>
368 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
369 * c-common.c (c_determine_visibility): Handle it here.
370 * c-decl.c (finish_decl): Call c_determine_visibility for
372 * flags.h (enum symbol_visibility): Sort from most to least visibility.
374 * varasm.c (default_assemble_visibility): Likewise.
375 * c-common.c (handle_visibility_attribute): Complain about trying
376 to give visibility to an already defined class, or trying to change
377 declared visibility. Always attach the attribute.
382 * attribs.c (decl_attributes): Ignore type-in-place attributes
383 once the type has been defined.
385 2006-06-29 Roger Sayle <roger@eyesopen.com>
388 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
389 to indicate the cpplib has issued an error message for us.
391 2006-06-29 Asher Langton <langton2@llnl.gov>
394 * config/i386/i386.c (ix86_output_function_epilogue): Don't
395 insert a label at the end of an function under Mach-O.
397 2006-06-29 Eric Christopher <echristo@apple.com>
398 Evan Cheng <evan.cheng@apple.com>
400 * predicates.md (vector_all_ones_operand): New.
401 (nonimmediate_or_sse_const_operand): Ditto.
402 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
403 * config/i386/i386.c (standard_sse_constant_opcode): Define.
404 (standard_sse_mode_p): Ditto.
405 (standard_sse_constant_p): Add case for -1 vector.
406 (ix86_expand_vector_move): Try to use.
407 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
408 Call standard_sse_constant_opcode.
409 (*movv4sf_internal): Ditto.
410 (*movv2df_internal): Ditto.
412 2006-06-29 Roger Sayle <roger@eyesopen.com>
414 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
415 of XEXP to extract the operands of a MATCH_CODE rtx.
417 2006-06-28 Andrew Pinski <pinskia@gmail.com>
419 * tree.c (tree_size): Do not waste tail padding in
420 struct tree_string and make the size be the same as
421 build_string will generate.
423 2006-06-28 Jason Merrill <jason@redhat.com>
426 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
427 may_aliases already in the tag's annotations to the bitmap.
429 2006-06-28 Roger Sayle <roger@eyesopen.com>
431 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
433 2006-06-28 Roger Sayle <roger@eyesopen.com>
435 * genpreds.c (generate_switch_p): New function.
436 (add_mode_tests): Push the new mode test down inside an AND expr
437 if this allows the switch-suitable MATCH_CODE to be near the root.
438 (write_match_code_switch): New function to write a MATCH_CODE as
440 (write_predicate_stmts): New function to write a predicate RTX
441 expression as a sequence of statements.
442 (write_one_predicate_function): Use write_predicate_stmts.
443 (write_tm_constrs_h): Likewise.
445 2006-06-26 Fred Fish <fnf@specifix.com>
447 * config/mips/t-sb1: New file.
448 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
451 2006-06-26 DJ Delorie <dj@redhat.com>
453 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
455 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
456 Jayant Sonar <jayants@kpitcummins.com>
457 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
459 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
460 (subsi3, subsi3_1, subsi3_2): New.
461 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
462 * config/m32c/mov.md (SI mov peephole): New.
463 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
464 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
466 2006-06-26 Olivier Hainque <hainque@adacore.com>
468 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
469 a CALL_EXPR target function declaration.
471 2006-06-26 Richard Guenther <rguenther@suse.de>
473 * tree.c (build_string): Do not waste tail padding in
476 2006-06-26 Richard Guenther <rguenther@suse.de>
478 * ggc-page.c (init_ggc): Add missing element to size_lookup
482 2006-06-23 Richard Guenther <rguenther@suse.de>
484 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
485 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
486 alignment requests instead. Add verification code.
487 Add struct tree_function_decl and struct tree_binfo size to
488 extra_order_size_table. Add missing element to size_lookup
491 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
494 * fold-const.c (const_binop): Be prepared for self returning zero.
495 Simplify code handling complex values.
497 2006-06-24 Olivier Hainque <hainque@adacore.com>
499 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
500 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
503 2006-06-24 Olivier Hainque <hainque@adacore.com>
505 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
506 ARRAY_REF, so have the callback called for the low bound expression.
508 2006-06-23 Janis Johnson <janis187@us.ibm.com>
510 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
511 * c-typeck.c (c_common_type): Disallow operations on decimal float
512 types and other float types.
513 * convert.c (convert_to_real): Don't ignore conversions involving
516 2006-06-23 Olivier Hainque <hainque@adacore.com>
518 * tree.c (max_int_size_in_bytes): New function, inspired from
519 code in function.c:assign_temp.
520 * tree.h (max_int_size_in_bytes): Declare.
521 * function.c (assign_temp): Use it.
522 * gimplify.c (create_tmp_var): Relax the assertions on the type
523 properties, not mandating constant size any more.
524 (force_constant_size): New static function.
525 (gimple_add_tmp_var): Use it, forcing variable size to a
526 constant upper bound if it is not constant on entry.
528 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
531 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
532 for initialization and setting of one_only flag to ...
533 (i386_pe_encode_section_info): ...here.
534 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
535 Recheck that the symbol has not been defined.
537 2006-06-23 Richard Guenther <rguenther@suse.de>
539 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
540 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
541 alignment requests instead. Add verification code.
542 Add struct tree_function_decl and struct tree_binfo size to
543 extra_order_size_table. Add missing element to size_lookup
546 2006-06-22 Roger Sayle <roger@eyesopen.com>
547 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
550 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
551 call to lang_hooks.types.type_for_mode returned NULL_TREE.
553 2006-06-23 Ben Elliston <bje@au.ibm.com>
555 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
556 negate dn -- manipulate it directly.
558 2006-06-22 Roger Sayle <roger@eyesopen.com>
559 Steven Bosscher <stevenb.gcc@gmail.com>
562 * reload1.c (gen_reload): Call mark_jump_label on the new insns
563 generated by gen_move_insn to add REG_LABEL notes if necessary.
565 2006-06-22 Bob Wilson <bob.wilson@acm.org>
567 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
568 (leaf_entry): Remove use of MIN_ESA.
570 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
572 PR rtl-optimization/28121
573 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
576 2006-06-21 DJ Delorie <dj@redhat.com>
578 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
580 (mulhisi3_r): Likewise.
582 2006-06-21 Richard Sandiford <richard@codesourcery.com>
585 * coverage.c (coverage_counter_alloc): Leave the index type
587 (coverage_counter_alloc): Use null arguments for operands 2 and 3
590 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
592 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
593 section from the "Options for Code Generation Conventions".
595 2006-06-21 Richard Henderson <rth@redhat.com>
599 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
601 (global_symbolic_operand): Allow weak symbols, even if local_p.
603 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
605 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
606 (find_interesting_uses_address): Punt if above function returns true.
608 2006-06-21 Richard Guenther <rguenther@suse.de>
610 * configure: Regenerated.
612 2006-06-21 Joseph Myers <joseph@codesourcery.com>
614 * config/mips/mips.c (function_arg): Where one part of a
615 complex argument is in registers and the other part in the stack,
616 return a REG not a PARALLEL.
618 2006-06-21 Mark Mitchell <mark@codesourcery.com>
620 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
621 when cross-compiling. Do not substitute libstdcxx_incdir.
622 * configure: Regenerated.
624 2006-06-21 Jakub Jelinek <jakub@redhat.com>
626 * varasm.c (mergeable_string_section): Check for embedded NULs and
627 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
628 rather than TREE_STRING_LENGTH bytes.
630 2006-06-21 Richard Guenther <rguenther@suse.de>
632 * ggc-page.c (extra_order_size_table): Add var_ann_d,
633 tree_ssa_name, bitmap_element and phi_node with 4 arguments
636 2006-06-21 Richrad Guenther <rguenther@suse.de>
638 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
639 Limit iteration over the dominators.
641 2006-06-20 Roger Sayle <roger@eyesopen.com>
643 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
644 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
646 2006-06-20 Richard Guenther <rguenther@suse.de>
647 Michael Matz <matz@suse.de>
649 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
651 * alloc-pool.c (free_alloc_pool_if_empty): New function.
652 * et-forest.h (et_free_pools): Prototype new function.
653 * et-forest.c (et_free_tree_force): Free parent occurrence.
654 (et_free_pools): New function.
655 * dominance.c (free_dominance_info): Free et-forest alloc
658 2006-06-20 Roger Sayle <roger@eyesopen.com>
660 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
661 integer modes, attempt to directly construct an integer constant.
663 * fold-const.c (native_encode_vector): Determine the size of each
664 element from the vector type instead of the first vector element.
666 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
667 if all of its elements/components are constant.
668 (build_constructor_from_list): Likewise.
670 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
672 PR tree-optimization/27331
673 * tree-data-ref.c (free_data_ref): New function.
674 (create_data_ref): Fail if the data reference has unknown access
676 (free_data_refs): Use free_data_ref.
678 2006-06-19 Andrew Pinski <pinskia@gmail.com>
681 * tree-inline.c (setup_one_parameter): Strip useless
682 type conversion before adding it to the IR.
683 (declare_return_variable): Likewise.
685 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
688 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
690 2006-06-19 Mike Stump <mrs@apple.com>
692 * tree.c (variably_modified_type_p): VM arguments don't make the
695 2006-06-19 Richard Guenther <rguenther@suse.de>
697 * tree-ssa-pre.c (try_combine_conversion): Strip useless
698 type conversions after folding.
700 2006-06-19 Richard Guenther <rguenther@suse.de>
702 * ggc-page.c (extra_order_size_tab): Add entries with
703 size of struct function and basic_block.
704 (size_lookup): Extend to cover sizes up to 511.
705 (ggc_alloc_stat): Adjust user.
706 (ggc_pch_count_object): Likewise.
707 (ggc_pch_alloc_object): Likewise.
708 (ggc_pch_write_object): Likewise.
710 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
712 * tree-ssa-loop-niter.c (implies_ge_p): New function.
713 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
716 2006-06-19 Denis Chertykov <denisc@overta.ru>
718 * config/avr/libgcc.S : Correct my wrong previous commit.
720 2006-06-19 Roger Sayle <roger@eyesopen.com>
723 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
724 have stripped a SUBREG from the shift count, so we may need to
725 convert_to_mode back to the type's mode before calling make_tree.
726 Use new_amount instead of amount to avoid expanding a tree twice.
728 2006-06-19 Richard Guenther <rguenther@suse.de>
731 * fold-const.c (operand_equal_p): Check if the argument types
732 have the same precision before stripping NOPs.
734 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
736 Fix PR tree-optimization/27341
737 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
739 * tree-complex.c (pass_lower_complex): Update SMT usage.
741 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
743 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
744 Add a new alternative to the constraint strings. Add move of
745 operand 1 to 3 to the splitter definition.
746 ("doloop_si_long"): Second contraint alternative removed.
748 2006-06-08 Anatoly Sokolov <aesok@post.ru>
750 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
751 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
753 (AVR_HAVE_MOVW) Define.
754 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
755 (ASM_SPEC): Add avr25.
756 (LINK_SPEC): Add avr25.
757 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
758 (base_arch_s): Add new member 'have_movw_lpmx'.
759 (avr_arch_types): Init 'have_movw_lpmx'.
760 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
761 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
762 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
763 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
764 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
766 (avr_file_start): Do not output '.arh' derective.
767 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
768 (__do_copy_data): Use __AVR_HAVE_LPMX__.
769 * config/avr/avr.md (mcu_enhanced): Delete.
770 (mcu_have_movw): Define.
771 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
772 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
773 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
774 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
775 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
776 attiny861 and at86rf401 devices.
778 2006-06-18 Jie Zhang <jie.zhang@analog.com>
780 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
783 2006-06-17 Karl Berry <karl@gnu.org>
785 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
786 doc/gccint.texi, doc/install.texi (@dircategory): Use
787 "Software development" instead of "Programming", following
788 the Free Software Directory.
790 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
792 * config/i386/i386.c (legitimate_tls_address)
793 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
794 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
795 (*tls_dynamic_gnu2_combine_64): Likewise.
797 2006-06-16 Richard Guenther <rguenther@suse.de>
800 * fold-const.c (negate_expr_p): Do not introduce undefined
801 overflow in negating INTEGER_CSTs.
802 (fold_negate_expr): Rename from negate_expr. Revert last
803 change for folding BIT_NOT_EXPR. Change semantics to
804 return NULL_TREE for non-simplified negations. Do not
805 strip type conversions and unify type handling.
806 (negate_expr): New function, wrap around fold_negate_expr
807 but ensure building a tree always. Strip type conversions
808 here, fold to result type.
809 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
811 2006-06-16 Roger Sayle <roger@eyesopen.com>
814 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
815 that (would) return their results in stack registers.
817 2006-06-16 Michael Matz <matz@suse.de>
818 Richard Guenther <rguenther@suse.de>
820 * fold-const.c (fold_truthop): Only return new tree node if
821 we canonicalized something.
823 2006-06-16 Richard Guenther <rguenther@suse.de>
825 * function.h (enum function_frequency): Move declaration
826 out of struct function.
827 (struct function): Move bool fields and the enum to the bitfield
828 section. Reorder elements to avoid padding. Remove unused
829 fields left over from the RTL inliner removal.
830 * function.c (free_after_compilation): Do not zero removed fields.
831 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
832 (ipa-type-escape.o): Likewise.
834 2006-06-16 Richard Guenther <rguenther@suse.de>
836 * cgraph.h (struct cgraph_local_info): Turn bool elements
838 (struct cgraph_node): Likewise.
839 (struct cgraph_varpool_node): Likewise.
841 2006-06-15 Richard Guenther <rguenther@suse.de>
843 * fold-const.c (fold_truth_not_expr): Rename from
844 invert_truthvalue. Give it fold_* semantics to avoid
846 (invert_truthvalue): New function. Wrapper around
848 (optimize_minmax_comparison): Avoid creating garbage.
849 (fold_unary): Use fold_truth_not_expr for folding
851 (fold_ternary): Replace uses of invert_truthvalue with
852 fold_truth_not_expr where applicable.
853 * tree.h (fold_truth_not_expr): Prototype.
855 2006-06-16 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/27781
858 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
859 * ipa-pure-const.c (target.h): Include.
860 (analyze_function): Do not analyze functions that do not
863 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
866 * tree-dfa.c (referenced_vars_dup_list): Remove.
867 (find_referenced_vars): Remove assert.
868 (referenced_var_check_and_insert): Replace dup list with assert.
869 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
870 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
872 2006-06-15 Richard Guenther <rguenther@suse.de>
874 * tree-ssa-structalias.c (alias_get_name): Avoid creating
875 extra unused identifiers if not dumping.
876 (create_variable_info_for): Likewise.
878 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
880 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
881 (derive_constant_upper_bound): Derive more precise upper bound in
882 common cases. Return type changed to double_int.
883 (record_estimate): Reflect the changed return type of
884 derive_constant_upper_bound.
885 * double-int.c (double_int_zext, double_int_sext): Fix.
887 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
889 * configure.ac (CFLAGS): Get them from the toplevel or from the
890 configure invocation.
891 * configure: Regenerate.
892 * Makefile.in (CFLAGS): Substitute value provided by configure.
894 2006-06-14 Mark Mitchell <mark@codesourcery.com>
897 * c-common.h (c_finish_omp_atomic): Adjust declaration.
898 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
899 rather than calling add_stmt on it.
900 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
902 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
905 * reload1.c (reload): Remove registers returned by update_eliminables
906 from used_spill_regs.
908 2006-06-13 DJ Delorie <dj@redhat.com>
910 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
912 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
914 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
915 html__strip_dir, html__mkdir_p. Enhance install-html target.
916 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
917 * configure: Regenerate.
919 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
921 * fold-const.c (fold_cond_expr_with_comparison): Check for
922 Objective-C++ as language in deciding COND_EXPR transformation.
924 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
927 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
928 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
929 * config/sh/lib1funcs.h (SL, SL1): Define.
930 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
931 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
932 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
933 (OBJS_Os_4_200): New variable.
934 ($(T)libgcc-Os-4-200.a): Use it.
935 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
936 when dividing 1 and/or by 0.
938 2006-06-13 Roger Sayle <roger@eyesopen.com>
940 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
941 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
942 * configure: Regenerate.
944 2006-06-13 Jie Zhang <jie.zhang@analog.com>
946 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
947 for real instruction.
949 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
952 * haifa-sched.c (check_cfg): Handle special case.
954 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
957 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
958 Add debug_info parameter. Chain the vars to the BLOCK instead
959 of the BIND_EXPR if debug info are requested for them.
960 (pop_gimplify_context): Adjust for above change.
961 (gimple_add_tmp_var): Likewise.
962 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
964 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
965 (convert_local_reference): Likewise.
966 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
967 (finalize_nesting_tree_1): Request that debug info be emitted
970 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
972 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
975 2006-06-13 Richard Guenther <rguenther@suse.de>
978 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
980 2006-06-13 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/27830
983 * tree-inline.c (copy_body_r): For copying the operand
984 of an ADDR_EXPR make sure to fold &* afterwards.
986 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
988 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
989 lvalues in the fb_none case with side-effects.
991 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
993 * tree-flow.h: Remove the prototype for
994 compute_phi_arg_on_exit.
995 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
996 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
999 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1001 * builtins.c (expand_builtin_return_addr): Only use
1002 frame_pointer_rtx when count == 0 and we are expanding
1003 __builtin_return_address.
1005 2006-06-12 Fred Fish <fnf@specifix.com>
1007 * config/mips/mips.c (mips_file_start): Create special section
1008 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1010 2006-06-11 Eric Christopher <echristo@apple.com>
1013 * stor-layout.c (place_field): Remove check for
1014 remaining_in_alignment when aligning at the end of a run.
1016 2006-06-11 Eric Christopher <echristo@apple.com>
1019 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1022 2006-06-11 Roger Sayle <roger@eyesopen.com>
1025 Revert incorrect fix for PR target/27158
1026 2006-05-08 Roger Sayle <roger@eyesopen.com>
1027 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1028 of a reg_equiv_constant if the result is a legitimate constant.
1030 2006-06-11 Roger Sayle <roger@eyesopen.com>
1033 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1034 extract a CONST_VECTOR element and interpret it as an integer.
1035 (vspltis_constant): Use const_vector_elt_as_int instead of the
1036 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1037 * config/rs6000/predicates.md (easy_vector_const): Consider
1038 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1040 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1043 * stor-layout.c (update_alignment_for_field): Don't add extra
1044 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1047 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1049 * config/mips/t-rtems: Add EL/EB multilib variants.
1051 2006-06-09 Mike Stump <mrs@apple.com>
1053 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1055 2006-06-09 David Daney <ddaney@avtrex.com>
1057 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1059 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1061 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1063 2006-06-09 Richard Guenther <rguenther@suse.de>
1065 PR tree-optimization/26998
1066 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1067 of signed types, only TYPE_MIN_VALUE is special, but for both,
1068 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1069 in this case, as is -fwrapv.
1071 2006-06-08 Mike Stump <mrs@apple.com>
1074 * config/darwin.c (darwin_asm_output_anchor): Disable
1075 -fsection-anchors on darwin for now.
1076 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1077 * rs6000/rs6000.c (optimization_options): Likewise.
1079 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1082 * config/i386/i386.c (classify_argument): Skip fields with invalid
1085 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1087 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1088 (cse_insn): Likewise for the stack_pointer_rtx.
1090 2006-06-08 Roger Sayle <roger@eyesopen.com>
1092 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1093 conditions from floating point comparisons.
1095 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1098 * expmed.c (struct alg_hash_entry): Fix type of field T
1099 to match synth_mult argument.
1100 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1102 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1105 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1108 2006-06-08 Richard Guenther <rguenther@suse.de>
1111 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1112 only, if overflow is defined and not trapping.
1113 (negate_expr): Likewise.
1115 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1117 PR tree-optimization/27872
1118 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1119 flag on the new exit edge of the unrolled loop.
1121 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1123 PR rtl-optimization/26449
1124 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1126 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1129 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1130 referenced_variables with matching DECL_UID's.
1131 (find_referenced_vars): Make sure duplicate list is empty to start.
1132 (referenced_var_p): Remove.
1133 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1134 Check if var is in the list, and add if needed. Update the duplicate
1135 list if a different var is in the list with the same DECL_UID.
1136 (add_referenced_var): Call routine to check and insert.
1137 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1138 * tree-flow.h (referenced_vars_dup_list): External declaration.
1140 2006-06-07 Fred Fish <fnf@specifix.com>
1142 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1145 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1148 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1149 the imaginary and real parts of a clobbered register.
1150 Emit insn to set the imaginary part.
1152 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1154 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1155 in lieu of unwind-dw2-fde.c.
1157 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1159 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1161 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1164 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1165 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1166 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1167 V4SImode temporaries and operations instead.
1169 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1171 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1174 2006-06-06 Mike Stump <mrs@apple.com>
1176 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1177 installing during build.
1179 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1181 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1183 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1184 * config/ia64/ia64.c (params.h): New header.
1185 (ia64_optimization_options): New function to adjust parameters.
1186 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1187 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1188 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1190 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1192 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1194 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1197 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1199 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1200 Victor Kaplansky <victork@il.ibm.com>
1202 PR tree-optimization/26360
1203 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1206 2006-06-04 Roger Sayle <roger@eyesopen.com>
1207 Andrew Pinski <pinskia@physics.uc.edu>
1210 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1211 for LABEL_DECL before calling DECL_WEAK.
1214 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1215 LABEL_DECL and PARM_DECL.
1217 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1221 * c-decl.c (grokdeclarator): Disallow variably modified types at
1222 file scope. Avoid marking shared array type of constant size as
1225 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1228 * c-common.c (fold_offsetof_1): Handle static members.
1230 2006-06-04 Eric Christopher <echristo@apple.com>
1232 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1233 (debug_rli): Output value for remaining_in_alignment.
1234 (update_alignment_for_field): Unconditionalize
1235 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1236 extra alignment code.
1237 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1238 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1239 * tree.h (record_layout_info_s): Remove prev_packed.
1240 * doc/extend.texi (ms_struct): Add documentation of format.
1242 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1244 * tree.h: Declare folding_initializer.
1245 * builtins.c (fold_builtin_constant_p): Give definite answer
1246 if folding inside an initializer.
1247 * fold-const.c: Define folding_initializer.
1248 (START_FOLD_INIT): Save and then set folding_initializer.
1249 (END_FOLD_INIT): Restore folding_initializer.
1251 2006-06-04 Richard Guenther <rguenther@suse.de>
1253 PR tree-optimization/27039
1254 * fold-const.c (fold_comparison): Handle pointer comparison
1255 again for all comparison codes. Compare offsets in signed
1257 (fold_binary): Move code from here.
1259 2006-06-03 Roger Sayle <roger@eyesopen.com>
1262 * config/i386/i386.c (construct_container): Split static issued_error
1263 flag into issued_sse_arg_error, issued_sse_ret_error and
1264 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1265 requires the use of x87 registers and the user explicitly
1266 specified the -mno-80387 command line option.
1268 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1270 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1271 HAVE_DECL_SIGALTSTACK.
1273 (segv_handler): Use MC_FLD.
1274 * configure.ac: Check for a sigaltstack declaration.
1275 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1276 * configure: Regenerate.
1277 * config.in: Regenerate.
1279 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1282 * Makefile.in (stmp-fixinc): Fix typo.
1284 2006-06-02 Roger Sayle <roger@eyesopen.com>
1286 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1287 are type correct. Clean-up.
1288 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1289 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1291 2006-06-01 DJ Delorie <dj@redhat.com>
1293 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1294 shift, as we've disabled the "switch" insn that needs it.
1296 2006-06-01 Per Bothner <bothner@bothner.com>
1298 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1299 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1300 * c-ppoutput.c (cb_define): Don't increment line 0.
1302 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1304 * doc/invoke.texi: Add cpu_type power6.
1305 * config.gcc: Add cpu_type power6.
1306 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1307 to power5+ with Altivec.
1308 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1309 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1311 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1313 * config/avr/avr.h (SET_ASM_OP): Define.
1315 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1317 * config/bfin/bfin.c: Fix comment typos.
1319 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1322 * doc/install.texi: Document --enable-bootstrap and
1323 --disable-bootstrap.
1325 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1327 * doc/install.texi: Document that InfoZIP can replace jar.
1329 2006-05-31 Roger Sayle <roger@eyesopen.com>
1331 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1332 isn't available, directly generate the simpler x87 patterns without
1333 the (use (const_int 0)).
1334 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1335 implementation isn't available.
1336 (*negdf2_1): Likewise.
1337 (*negxf2_1): XF mode negation is always done using the x87.
1338 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1340 2006-05-31 Roger Sayle <roger@eyesopen.com>
1342 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1343 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1345 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1347 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1349 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1350 * config/bfin/bfin.c (basic-block.h): Include.
1351 (struct machine_function): New.
1352 (bfin_init_machine_status): New.
1353 (override_options): Initialize init_machine_status.
1354 (bfin_hardware_loop): New.
1355 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1356 (DEF_VEC_P (loop_info)): New.
1357 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1358 (struct loop_info): New.
1359 (loop_info): New typedef.
1360 (struct loop_work): New.
1361 (loop_work): New typedef.
1362 (DEF_VEC_O (loop_work)): New.
1363 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1364 (bfin_dump_loops): New.
1365 (bfin_bb_in_loop): New.
1366 (bfin_scan_loop): New.
1367 (bfin_optimize_loop): New.
1368 (bfin_reorg_loops): New.
1369 (bfin_reorg): Use bfin_reorg_loops.
1370 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1372 (I_REGNO_P): Simplify.
1373 (DP_REGNO_P, DPREG_P): New macros.
1374 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1375 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1376 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1377 Add LT_REGS, LC_REGS, LB_REGS.
1378 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1380 (REGNO_REG_CLASS): Deal with loop registers.
1381 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1383 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1384 New constants for loop registers.
1385 (UNSPEC_LSETUP_END): New.
1386 (seq_insns): New define_attr. Set it for appropriate insns.
1387 (movsi_insn): Add alternatives for move from/to
1388 loop count registers.
1389 (doloop_end): New define_expand.
1390 (loop_end): New define_insn.
1391 (define_split for bad doloop_end): New.
1392 (lsetup_with_autoinit): New define_insn.
1393 (lsetup_without_autoinit): New define_insn.
1394 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1395 * config/bfin/predicates.md (lc_register_operand): New.
1396 (lt_register_operand): New.
1397 (lb_register_operand): New.
1398 (nondp_register_operand): New.
1399 (nondp_reg_or_memory_operand): New.
1400 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1402 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1404 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1405 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1407 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1409 * Makefile.in (CATALOGS): Add po/ prefix.
1410 * configure: Regenerated.
1412 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1415 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1416 a shift operand before calling shift_op. Avoid redundant call of
1419 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1420 DJ Delorie <dj@redhat.com>
1422 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1423 we're inserting is a singlt-bit constant.
1425 2006-05-30 Roger Sayle <roger@eyesopen.com>
1427 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1428 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1430 2006-05-30 Roger Sayle <roger@eyesopen.com>
1432 PR tree-optimization/23452
1433 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1434 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1435 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1436 complex values and with -ffast-math for FP complex values.
1438 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1440 * c-common.h: Remove the prototype for yyparse.
1441 * rtl.h: Remove the prototype for init_loop.
1443 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1445 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1448 2006-05-30 Roger Sayle <roger@eyesopen.com>
1450 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1452 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1453 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1455 2006-05-30 Dirk Mueller <dmueller@suse.de>
1458 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1459 for CONSTANT_CLASS_P expresisons.
1461 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1464 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1466 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1468 PR tree-optimization/27779
1469 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1470 initial_condition instead of CHREC_LEFT.
1472 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1474 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1475 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1476 Make prototypes ISO C90.
1478 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1479 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1481 * see.c (see_analyze_one_def): Correct check.
1482 (see_get_extension_data): Check if extension is parallel.
1483 (see_get_extension_reg): Likewise.
1485 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1488 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1489 into register for (code == GTU).
1491 2006-05-29 Roger Sayle <roger@eyesopen.com>
1493 PR tree-optimization/24964
1494 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1495 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1496 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1497 abs(x)*abs(x) as x*x for scalar floating point modes.
1499 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1502 * lambda-code.c (perfect_nestify): Don't copy statements
1503 in the inner loop: move them to the inner loop header.
1505 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1508 * c-tree.texi: Document OpenMP directives and clauses.
1510 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1512 * varasm.c (globalize_decl): Fix indentation.
1514 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1517 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1518 pass_fre, pass_store_ccp, pass_copy_prop,
1519 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1520 pass_return_slot, pass_object_size, pass_lim,
1521 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1522 pass_loop_prefetch and pass_stdarg.
1524 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1526 * config/bfin/bfin.opt (mfdpic): New option.
1527 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1528 (EXTRA_MULTILIB_PARTS): Likewise.
1529 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1530 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1532 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1533 (CRT_CALL_STATIC_FUNCTION): New.
1534 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1536 (CRT_CALL_STATIC_FUNCTION): New.
1537 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1539 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1540 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1541 (initialize_trampoline): Changed to handle FD-PIC code generation.
1542 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1543 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1544 (override_options): Disallow -mid-shared-library -mfdpic combination.
1545 Can't do unaligned ops if FD-PIC.
1546 Turn off flag_pic if trying to generate non-id-shared-library
1547 non-fdpic code, since it's not supported.
1548 (bfin_assemble_integer): New function.
1549 (TARGET_ASM_INTEGER): Define.
1550 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1552 * config/bfin/crtn.s: Restore them.
1553 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1555 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1556 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1557 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1558 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1559 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1561 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1562 FDPIC_REGS and FDPIC_FPTR_REGS.
1563 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1564 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1565 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1566 (load_funcdescsi): New pattern.
1567 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1568 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1569 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1571 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1573 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1576 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1578 * tree-flow.h: Remove the prototype for add_type_alias.
1579 * tree-ssa-alias.c (add_type_alias): Remove.
1581 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1583 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1584 config/fr30/fr30.md, config/i386/i386-interix.h,
1585 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1586 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1587 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1588 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1589 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1590 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1591 Follow spelling conventions.
1592 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1593 Follow spelling conventions.
1595 2006-05-27 Richard Guenther <rguenther@suse.de>
1598 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1599 to produce a constant of value 1 of generic type.
1601 2006-05-27 Dirk Mueller <dmueller@suse.de>
1603 * cgraphunit.c (decide_is_function_needed): Fix wrong
1606 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1608 PR rtl-optimization/27661
1609 * reload.c (find_reloads): When reloading a VOIDmode constant
1610 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1611 use Pmode as mode of the reload register.
1613 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1615 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1616 is enabled at -O and above.
1618 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1621 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1624 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1627 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1628 for anonymous variables explicitly declared by front ends.
1630 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1632 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1633 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1634 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1635 ref-all pointers, run a finalization pass for them.
1636 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1637 (finalize_ref_all_pointers): New function.
1638 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1639 regular pointer type to a ref-all pointer type.
1640 (get_tmt_for): Return the special memory tag for ref-all pointers.
1642 2006-05-25 Richard Guenther <rguenther@suse.de>
1645 * fold-const.c (fold_binary): Do not look at the stripped
1646 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1648 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1650 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1651 for LT and GT if the computed range is effectively empty.
1653 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1656 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1657 mips_quad_format formats instead of ieee_single_format,
1658 ieee_double_format and ieee_quad_format formats, respectively.
1660 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1662 PR tree-optimization/27639
1663 PR tree-optimization/26719
1664 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1665 call to scev_probably_wraps_p.
1666 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1667 used_in_pointer_arithmetic_p, convert_step): Removed.
1668 (nowrap_type_p): New function.
1669 (scev_probably_wraps_p): Rewritten.
1670 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1671 chrec_convert if chrec_convert_aggressive might have been used.
1672 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1673 scev_direction): New functions.
1674 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1675 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1676 instead of convert_step.
1677 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1678 (convert_step): Declaration removed.
1679 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1681 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1683 * df-core.c: Added to header comments.
1684 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1685 df_ur_bb_info, df_urec_bb_info): Added comments.
1686 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1687 urec, ri problems): Fixed header comments.
1688 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1689 code from df_rd_transfer_function.
1691 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1693 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1694 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1695 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1697 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1699 * expr.c (undefined_operand_subword_p): New.
1700 (emit_move_multi_word): Do not generate move from undefined bits
1701 of a paradoxical subreg.
1703 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1705 PR rtl-optimization/27736
1706 * combine.c (replaced_rhs_value): New variable.
1707 (combine_instructions): Set it.
1708 (distribute_notes): When distributing a note in replaced_rhs_insn,
1709 check whether the value was used in replaced_rhs_value.
1711 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1714 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1715 add_referenced_var instead of add_referenced_tmp_var.
1716 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1717 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1719 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1720 tree_optimize_tail_calls_1): Use add_referenced_var.
1721 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1722 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1723 Use add_referenced_var.
1724 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1725 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1726 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1727 Use add_referenced_var.
1728 * tree-dfa.c (struct walk_state): Remove.
1729 (find_referenced_vars): Remove walk state and vars_found hash table.
1730 (make_rename_temp): Use add_referenced_var.
1731 (find_vars_r): Pass less parameters to add_referenced_var.
1732 (referenced_var_p): New. Is var in referenced_var hash table.
1733 (referenced_var_insert): Assert var isn't already in hash table.
1734 (add_referenced_var): Don't need walk_state parameter. Add var if it
1735 isn't already in the hash table.
1736 (add_referenced_tmp_var): Remove.
1737 (find_new_referenced_vars_1): Use add_referenced_var.
1738 * tree-ssa-pre.c (create_expression_by_pieces,
1739 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1740 Use add_referenced_var.
1741 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1742 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1743 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1745 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1746 vect_create_data_ref_ptr, vect_create_destination_var,
1747 vect_init_vector, vect_build_loop_niters,
1748 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1749 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1750 Use add_referenced_var.
1751 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1752 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1753 (add_referenced_var): Add prototype.
1754 * tree-ssa-structalias.c (get_constraint_for,
1755 intra_create_variable_infos): Use add_referenced_var.
1757 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1759 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1760 big-endian paradoxical subregs.
1761 * var-tracking.c (struct micro_operation_def): Document that,
1762 for modify micro operations, insn is the subsequent instruction.
1763 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1764 (var_reg_set, var_mem_set): ... new functions.
1765 (add_stores): Record subsequent insn.
1766 (compute_bb_dataflow): Use new functions for MO_USE.
1767 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1768 notes after the insn, and modify notes before the insn known
1769 to be the subsequent one.
1770 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1772 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1775 * config/i386/i386.c (ix86_expand_builtin): Use
1776 gen_sse3_monitor64 for TARGET_64BIT.
1778 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1780 PR rtl-optimization/26375
1781 PR rtl-optimization/26855
1782 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1784 (df_ru_bb_local_compute): Reversed statements and removed bogus
1785 comment explaining why they should be in wrong order.
1786 (df_ru_dump, df_rd_dump): Enhanced debug info.
1787 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1789 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1790 reaching uses and fixed space problem.
1792 2006-05-23 Jan Hubicka <jh@suse.cz>
1794 * cgraphunit.c (decide_is_function_needed): Also nested functions
1795 and functions declared inline can be optimized out at -O0.
1797 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1799 * doc/install.texi (Configuration): Remove reference to CrossGCC
1803 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1806 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1807 ix86_compare_emitted is non-NULL.
1809 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1812 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1815 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1817 PR rtl-optimization/25514
1818 * combine.c (replaced_rhs_insn): New variable.
1819 (combine_instructions): Set replaced_rhs_insn when trying to replace
1820 a SET_SRC with a REG_EQUAL note.
1821 (distribute_notes): Use replaced_rhs_insn when determining the live
1822 range of a REG_DEAD register.
1824 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1825 Anatoly Sokolov <aesok@post.ru>
1827 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1828 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1829 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1830 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1831 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1832 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1833 at90usb647, at90usb1286 and at90usb1287 devices.
1834 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1835 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1837 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1839 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1841 2006-05-22 Richard Guenther <rguenther@suse.de>
1844 2006-01-31 Richard Guenther <rguenther@suse.de>
1845 Paolo Bonzini <bonzini@gnu.org>
1847 * doc/install.texi (--disable-libgcc-math): Document.
1849 2006-05-22 Richard Guenther <rguenther@suse.de>
1852 2006-01-31 Richard Guenther <rguenther@suse.de>
1854 * doc/invoke.texi (-msselibm): Document.
1855 * target.h (expand_library_builtin): New target hook.
1856 * builtins.c (expand_builtin): Use expand_library_builtin.
1857 (default_expand_library_builtin): New function.
1858 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1859 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1860 (link_gcc_math_spec): Declare.
1861 (static_specs): Add link_gcc_math_spec.
1862 * expr.h (default_expand_library_builtin): Declare.
1863 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1864 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1865 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1866 * config/i386/i386.opt (msselibm): New target option.
1867 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1868 (ix86_init_sse_abi_builtins): New function.
1869 (ix86_expand_library_builtin): Likewise.
1870 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1871 (override_options): Handle error conditions wrt -msselibm.
1872 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1873 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1874 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1877 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1880 * c-common.c (self_promoting_args_p): Skip erroneous args.
1883 * c-decl.c (finish_struct): Skip erroneous fields.
1885 2006-05-22 Nick Clifton <nickc@redhat.com>
1887 * config/cris/cris.opt (march): Remove VarExists attribute.
1888 (max-stackframe=): Likewise.
1890 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1892 * doc/rtl.texi: Fix a typo.
1893 * see.c: Fix comment typos.
1895 * tree-ssa-structalias.h (alias_info): Remove num_references.
1897 2006-05-21 Mike Stump <mrs@apple.com>
1899 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1901 (darwin_pragma_options): Use BAD instead.
1902 (darwin_pragma_unused): Likewise.
1903 (darwin_pragma_ms_struct): Likewise.
1905 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1907 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1909 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1911 PR rtl-optimization/27671
1912 * simplify-rtx.c (simplify_relational_operation_1): Fix
1913 simplifications of (eq/ne (xor x y) y) and
1914 (eq/ne (xor x y) x).
1916 PR tree-optimization/26622.
1917 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1920 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1922 * tree-cfg.c: Prune whitespace.
1923 (debug_tree_cfg): Point to correct header containing the
1926 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1929 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1931 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1934 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1935 or sorry count is non zero.
1937 2006-05-20 Andreas Schwab <schwab@suse.de>
1939 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1941 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1942 Kenneth Zadeck <zadeck@naturalbridge.com>
1944 PR rtl-optimization/26855
1946 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1948 (df_scan_alloc): Added code to properly handle multiword hard
1949 registers and add all_blocks parameter.
1950 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1951 code to properly handle multiword hard registers.
1952 (df_rescan_blocks): Added code to remove deleted blocks from
1954 (df_ref_create_structure, df_ref_record): Added code to properly
1956 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1957 and set DF_REF_PARTIAL.
1958 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1959 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1960 (df_scan_add_problem): Added flags parameter.
1961 (df_ref_create_structure): Changed switching structure.
1962 (df_bb_refs_record): Fixed case where duplicate artificial refs
1963 were created. Changed location of flags.
1964 (df_record_entry_block_defs): Added code to make stack pointer
1965 live in entry block. Refined cases where frame pointer is needed.
1966 Changed location of flags.
1967 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1968 (df_set_state): Removed function.
1969 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1970 df_insn_create_insn_record, df_insn_refs_delete,
1971 df_ref_create_structure): Formatting changes.
1972 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1973 df_delete_basic_block): New function.
1974 (df_init): Changed location of flags.
1975 (df_add_problem): Added flags parameter and the way flags are
1977 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1978 debug_df_chain): Improved debugging output.
1979 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1980 (df_refs_chain_dump): Removed df parameter.
1981 (df_iterative_dataflow): Added consistency check.
1982 (df_prune_to_subcfg): Made public.
1983 (df_analyze_problem): Added blocks_to_init parameter and made
1985 (df_ref_record, df_bb_refs_record, df_mark_reg,
1986 df_record_exit_block_uses): Whitespace changes.
1987 (df_dump): Whitespace changes.
1988 * df.h: Some reordering to remove forward references.
1989 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1990 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1991 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1992 (dataflow.flags): New field.
1993 (df.flag): Deleted field.
1994 (df_alloc_function): Added additional bitmap parameter.
1995 (df_dependent_problem_function): New type.
1996 (df_problem.changeable_flags): New field.
1997 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1998 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1999 (df_mw_hardreg): New struct.
2000 (DF_INSN_UID_MWS): New macro.
2001 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2003 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2004 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2005 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2006 (df_set_state): Removed function.
2007 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2008 * df-problems.c (df_chain_dump): Removed df parameter.
2009 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2010 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2012 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2013 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2014 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2015 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2016 DF_REF_MUST_CLOBBER cases.
2017 (df_ru_bb_local_compute_process_def,
2018 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2019 df_lr_bb_local_compute, df_ur_bb_local_compute,
2020 df_chain_create_bb): Made subreg aware.
2021 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2022 df_lr_bb_local_compute, df_lr_bb_local_compute,
2023 df_chain_create_bb): Cleanup to use proper macros.
2024 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2025 code to fixup bitvectors.
2026 (df_ri_alloc): Cleared lifetime.
2027 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2028 df_create_unused_note): New function.
2029 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2030 REG_DEAD and REG_UNUSED notes as well as register information.
2031 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2032 df_chains_dump): Fixed crash if problem was never run.
2033 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2034 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2035 df_ri_add_problem): Processes flags in uniform manner.
2036 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2037 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2038 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2039 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2040 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2041 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2042 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2043 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2044 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2045 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2046 * see.c (see_initialize_data): Ditto.
2047 * final.c (rest_of_clean_state) Added regstack_completed.
2048 * rtl.h (regstack_completed): Ditto.
2049 * reg-stack.c (regstack_completed): Ditto.
2051 2006-05-19 Mike Stump <mrs@apple.com>
2053 * c-tree.h (default_conversion): Remove.
2054 * c-common.h (default_conversion): Add.
2056 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2058 * tree-vrp.c (valid_value_p): New function.
2059 (adjust_range_with_scev): Fail if the value of bound is not
2062 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2064 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2065 (mips_fallback_frame_state): Use syscall numbers to determine
2066 the appropriate li instruction for the current ABI. Only use
2067 __NR_sigreturn for o32.
2069 2006-05-19 Nicolas Setton <setton@adacore.com>
2071 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2072 * langhooks.c (lhd_dwarf_name): New function.
2073 * langhooks-def.h (lhd_dwarf_name): Declare.
2074 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2075 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2076 * ada/misc.c (gnat_dwarf_name): New function.
2077 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2079 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2081 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2083 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2084 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2085 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2086 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2087 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2088 determine the size of Wtype, etc.
2089 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2090 (swfloatfuncs): New variable.
2091 (dwfloatfuncs): Likewise.
2092 (lib2funcs): Remove floating-point conversion functions from
2093 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2094 the set of conversion routines needed. Allow entries to specify
2095 an object name, filename and word size. Update users accordingly.
2096 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2097 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2101 2006-02-08 Roger Sayle <roger@eyesopen.com>
2104 * config/fixtfdi.c: New libgcc source file.
2105 * config/fixunstfdi.c: New source file.
2106 * config/floatditf.c: New source file.
2107 * config/floatunditf.c: New souce file.
2108 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2109 files above instead of config/mips/_tilib.c.
2110 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2112 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2114 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2115 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2117 2006-05-18 Mike Stump <mrs@apple.com>
2119 Fix up vla, vm and [*] sematics.
2125 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2126 (c_vla_unspec_p): Add.
2127 (c_vla_type_p): Add.
2128 * c-decl.c (struct c_scope): Add had_vla_unspec.
2129 (build_array_declarator): Add support for [*].
2130 (grokdeclarator): Likewise.
2131 (grokparms): Likewise.
2132 (get_parm_info): Likewise.
2133 * c-objc-common.c (c_vla_unspec_p): Likewise.
2134 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2135 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2136 typeof when argument is a variably modified type not inside sizeof or alignof.
2137 (c_parser_direct_declarator_inner): Propagate errors.
2138 (c_parser_sizeof_expression): Add support for [*].
2139 (c_parser_parms_declarator): Initialize had_vla_unspec.
2140 (c_parser_parms_list_declarator): Likewise.
2141 * c-typeck.c (c_vla_type_p): Add.
2142 (composite_type): Add support for vla compositing.
2143 (comptypes_internal): Add support for vla compatibility.
2144 (c_expr_sizeof_expr): Evaluate vla arguments.
2145 * tree.c (variably_modified_type_p): Update comment for [*].
2147 2006-05-18 Michael Matz <matz@suse.de>
2150 * config.host: Make assignments to host_xmake_file cumulative.
2151 * config.host (*-darwin*): Test $host, not $target.
2153 2006-05-12 Stuart Hastings <stuart@apple.com>
2155 * config/i386/i386.opt (-mstackrealign): New flag.
2156 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2157 (ix86_handle_cconv_attribute): Emit error when
2158 force_align_arg_pointer attribute collides with too many regparms.
2159 (ix86_function_regparm): Limit regparms when used with
2160 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2161 Support stack-realigning prologue in non-main functions. Emit
2162 warning for nested functions under -mstackrealign, emit error for
2163 nested functions with force_align_arg_pointer attribute.
2164 * doc/extend.texi (force_align_arg_pointer): Document it.
2165 * doc/invoke.texi (-mstackrealign): Document it.
2167 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2169 PR rtl-optimization/27477
2170 * combine.c (try_combine): Don't split a parallel consisting
2171 of two sets into two individual sets if both sets reference
2174 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2176 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2177 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2179 * doc/options.texi (VarExists): Updated.
2181 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2183 * unwind-dw2.c: Add declarations for uw_update_context and
2185 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2186 detected, advance frame state and context once to skip over stub.
2188 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2192 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2193 Call rewrite_into_loop_closed_ssa only when something changed.
2194 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2195 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2196 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2197 Test for perfect_nest_p here. Fix formating.
2198 (replace_uses_equiv_to_x_with_y): Fix formating.
2199 (stmt_uses_op): Removed.
2200 (can_convert_to_perfect_nest): Removed loopivs parameter.
2201 Complete the test by checking the scalar dependences.
2202 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2205 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2208 From Dan Kegel <dank@kegel.com>:
2209 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2211 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2213 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2214 if the element type is variably modified without recursing.
2216 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2219 * tree-loop-linear.c (try_interchange_loops): Test for
2220 no data dependences.
2222 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2224 PR tree-optimization/27548
2225 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2226 range of ssa names that appear on abnormal edges.
2227 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2228 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2230 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2233 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2235 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2238 * tree.h (OMP_PARALLEL_COMBINED): Define.
2239 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2240 (new_omp_context): Add is_combined_parallel argument.
2241 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2242 new_omp_context caller.
2243 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2244 Adjust gimplify_scan_omp_clauses callers.
2245 (omp_is_private): Issue errors if iteration variable is firstprivate
2246 or reduction in the current context.
2247 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2248 on combined parallel workshare constructs.
2250 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2252 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2253 (gcc-options.o): New rule.
2255 * optc-gen.awk: Protect variables for gcc-options.o with
2256 #ifdef GCC_DRIVER/#endif.
2258 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2260 Fix PR tree-optimization/27373
2261 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2262 (forward_propagate_addr_expr): Update call.
2264 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2266 * doc/options.texi: Move the Negative option.
2268 2006-05-16 Richard Guenther <rguenther@suse.de>
2270 PR tree-optimization/22303
2271 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2273 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2274 ccp_fold did not simplify the statement.
2276 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2279 * Makefile.in (GCC_OBJS): New.
2280 (OBJS-common): Add opts-common.o.
2281 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2282 (cpp$(exeext)): Likewise.
2283 (gcc.o): Also depend on opts.h.
2284 (opts-common.o): New.
2286 * common.opt (gcoff): Add Negative(gdwarf-2).
2287 (gdwarf-2): Add Negative(gstabs).
2288 (gstabs): Add Negative(gstabs+).
2289 (gstabs+): Add Negative(gvms).
2290 (gvms): Add Negative(gxcoff).
2291 (gxcoff): Add Negative(gxcoff+).
2292 (gxcoff+): Add Negative(gcoff).
2293 * config/i386/i386.opt (m32): Add Negative(m64).
2294 (m64): Add Negative(m32).
2296 * doc/options.texi: Document the Negative option.
2298 * gcc.c: Include "opts.h".
2299 (main): Call prune_options after expandargv.
2301 * optc-gen.awk: Generate common declarations for all flag
2302 variables in options.c. Output the neg_index field.
2304 * opts.c (find_opt): Moved to ...
2305 * opts-common.c: Here. New file.
2307 * opts.h (cl_option): Add a neg_index field.
2309 (prune_options): Likewise.
2311 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2314 * omp-low.c (expand_omp_parallel): Don't assert
2315 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2316 instead search for it.
2319 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2322 2006-05-16 Andreas Schwab <schwab@suse.de>
2324 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2327 2006-05-15 Roger Sayle <roger@eyesopen.com>
2330 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2331 integer constants other than zero are only legitimate on TARGET_64BIT.
2332 <CONST_VECTOR> Only zero vectors are legitimate.
2333 (ix86_cannot_force_const_mem): Integral and vector constants can
2334 always be put in the constant pool.
2336 2006-05-16 DJ Delorie <dj@redhat.com>
2338 * crtstuff.c (__dso_handle): Set section from
2339 TARGET_LBIGCC_SDATA_SECTION if defined.
2340 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2341 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2343 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2346 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2349 2006-05-16 Ben Elliston <bje@au.ibm.com>
2351 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2353 2006-05-15 Per Bothner <per@bothner.com>
2355 * tree.c: (last_annotated_node): Use source_locus typedef.
2356 This permits bootstrapping with --enable-mapped-location.
2358 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR tree-optimization/26830
2361 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2362 (info_for_ssa_name, current_info_for_ssa_name_age,
2363 blocks_to_update): New variables.
2364 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2365 (clear_ssa_name_info, initialize_flags_in_bb,
2366 mark_block_for_update): New functions.
2367 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2368 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2369 prepare_def_site_for): Use mark_block_for_update.
2370 (mark_def_interesting): Assert that the processed block is marked in
2371 blocks_to_update. Do not take blocks argument.
2372 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2374 (rewrite_update_init_block, rewrite_update_stmt): Only process
2375 blocks with statements to rewrite.
2376 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2377 (update_ssa): Initialize and free blocks_to_update. Do not
2378 clear flags on statements. Do not use blocks bitmap.
2379 * tree.h (SSA_NAME_AUX): Removed.
2380 (struct tree_ssa_name): Removed aux field.
2381 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2383 2006-05-15 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/27603
2386 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2387 Do computations in original type.
2389 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2391 * see.c: Code style changes such as redundant paranthesis,
2392 redundant intialization of local variables etc.
2393 (see_main): Declared now as static.
2394 * doc/invoke.texi: Update that -fsee is not enabled by
2397 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2399 * omp-low.c (check_omp_nesting_restrictions): New function.
2400 (scan_omp_1): Call it.
2403 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2404 construct, return *VAR.
2406 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2408 PR rtl-optimization/27406
2409 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2412 2006-05-14 Roger Sayle <roger@eyesopen.com>
2414 PR rtl-optimization/27538
2415 * combine.c (expand_compound_operation): Call gen_lowpart
2416 before calling simplify_shift_const.
2418 2006-05-14 Roger Sayle <roger@eyesopen.com>
2420 PR rtl-optimization/22563
2421 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2422 a fixed width bitfield, always force the intermediates into psuedos.
2424 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2427 * mkconfig.sh: Use operator = instead of == for test.
2429 2006-05-13 Nick Clifton <nickc@redhat.com>
2431 * dwarf2out.c (dbx_reg_number): Check return value from
2432 LEAF_REG_REMAP and only use it if it is valid.
2433 (multiple_reg_loc_descriptor): Likewise.
2435 2006-05-13 Richard Guenther <rguenther@suse.de>
2437 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2440 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2442 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2443 information attached to non-INSNs such as NOTEs.
2444 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2446 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2448 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2450 * config/s390/s390.md: Adjust comment describing On constraint.
2452 2006-05-11 Jan Hubicka <jh@suse.cz>
2454 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2455 to be output at -O0.
2457 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2460 * fold-const.c (size_binop): Move sanity check for arguments to
2461 the beginning of the function.
2464 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2467 2006-05-11 Richard Guenther <rguenther@suse.de>
2470 * fold-const.c (fold_unary): Handle intermediate conversion
2471 to a pointer type like intermediate conversion to an integer
2472 type in folding of (T1)(T2)var to var.
2473 Match the code to the comment in the final conversion for
2474 (T1)(T2)var to (T1)var regarding to type precision. Rather
2475 than disallow T1 being of pointer type, assert that both T1
2476 and var are of pointer type or not. Make sure not to fall
2477 over the frontends lazyness wrt array to pointer decay though.
2479 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2481 * arm.c (arm_struct_value_rtx): Delete.
2482 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2483 (arm_init_cumulative_args): Always initialize nregs to zero.
2485 2006-05-10 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/27532
2488 * tree-object-size.c (plus_expr_object_size): Fix typo.
2490 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2493 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2494 ashrdi_const, ashrdi3): Use a scratch register.
2496 2006-05-10 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/27302
2499 * fold-const.c (operand_equal_p): For two comparisons,
2500 try comparison of one comparison code swapped if that yields
2503 2006-05-10 Ben Elliston <bje@au.ibm.com>
2505 * tree-pretty-print.c (pretty_print_string): No need to handle
2506 '\0' as a special character.
2508 * tree.h: Include "hashtab.h".
2509 (iterative_hash_expr): Use hashval_t in its prototype.
2510 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2512 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2515 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2516 (hppa*64*-*-hpux11*): Ditto.
2517 (hppa[12]*-*-hpux11*): Ditto.
2519 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2522 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2524 2006-05-09 Michael Matz <matz@suse.de>
2526 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2527 host_extra_gcc_objs and host_xmake_file.
2528 (<*-*-linux*>): Don't overwrite host_xmake_file.
2529 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2530 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2531 (host_detect_local_cpu): Declare.
2532 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2533 * config/i386/i386.c (override_options): Handle -mtune=native
2535 * config/i386/x-i386: New file.
2536 * config/i386/driver-i386.c: New file.
2537 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2540 2006-05-09 Dirk Mueller <dmueller@suse.de>
2541 Richard Guenther <rguenther@suse.de>
2544 * fold-const.c (fold_read_from_constant_string): Relax check
2545 for matching types to matching modes.
2547 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2549 PR rtl-optimization/27335
2550 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2553 2006-05-08 Chao-ying Fu <fu@mips.com>
2554 Richard Sandiford <richard@codesourcery.com>
2556 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2557 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2558 * config/mips/mips.md (UNSPEC_SCC): New constant.
2559 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2560 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2561 (mips_emit_compare): Use it.
2562 (mips_expand_vcondv2sf): New function.
2564 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2566 Fix PR tree-optimization/27093
2567 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2568 renaming when they become not-used_alone.
2570 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2572 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2573 relocation and relocation stubs.
2575 2006-05-08 Eric Christopher <echristo@apple.com>
2577 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2580 2006-05-08 Jan Hubicka <jh@suse.cz>
2583 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2584 unused static functions are needed.
2586 2006-05-08 Roger Sayle <roger@eyesopen.com>
2589 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2590 of a reg_equiv_constant if the result is a legitimate constant.
2592 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2595 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2596 standard 80387 constants, raise the cost to prevent
2597 compress_float_constant() to generate load from memory.
2599 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2601 * config/arm/constraints.md (c): Fix a typo.
2603 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2606 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2609 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2611 (_mm_mwait): Likewise.
2613 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2615 (sse3_monitor): Make it 32bit only.
2616 (sse3_monitor64): New. 64bit monitor.
2618 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2621 * config/i386/i386.c (classify_argument): Skip fields with invalid
2624 2006-05-07 Richard Guenther <rguenther@suse.de>
2626 PR tree-optimization/27409
2627 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2628 Do not try to find zero-sized subvars.
2630 2006-05-07 Richard Guenther <rguenther@suse.de>
2632 PR tree-optimization/27136
2633 * tree-ssa-loop-niter.c (get_val_for): Correct function
2634 comment, assert requirements.
2635 (loop_niter_by_eval): Stop processing if the iterated
2636 value did not simplify.
2638 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2640 * opts.c (flag_see): remove its setting at -O3.
2642 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2644 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2645 * arm/constraints.md: New file.
2646 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2647 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2648 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2649 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2650 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2651 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2652 * arm.md: Include constraints.md.
2653 (thumb_movsi_insn): Use satisfies_constraint_J.
2654 (movhi, movqi): Use satisfies_constraint_I.
2656 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2658 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2659 for atmeg a645 device.
2661 2006-05-06 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/27151
2664 * tree-vect-transform.c (vectorizable_condition): Punt on
2665 values that have a different type than the condition.
2667 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2670 * c-parser.c (c_parser_cast_expression): Only insert casts into
2671 hash table if pointer.
2672 * function.c (used_types_insert_helper): Rename from
2674 (used_types_insert): Call used_types_insert_helper.
2675 * function.h (used_types_insert): Accept only one argument.
2677 2006-05-05 David Edelsohn <edesohn@gnu.org>
2679 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2680 scratch with output modifier.
2682 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2685 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2686 with output modifier.
2688 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2691 * config/mips/mips.c (mips_symbolic_address_p): Return true
2692 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2693 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2695 2006-05-04 Richard Guenther <rguenther@suse.de>
2697 PR tree-optimization/14287
2698 PR tree-optimization/14844
2699 PR tree-optimization/19792
2700 PR tree-optimization/21608
2701 PR tree-optimization/27090
2702 * tree-ssa-pre.c (try_combine_conversion): New function.
2703 (compute_avail): After constructing the value-handle
2704 expression, use try_combine_conversion to combine NOP_EXPRs
2705 with previous value-handle expressions and use the result if it
2708 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2710 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2712 2006-05-04 Jan Hubicka <jh@suse.cz>
2715 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2717 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2719 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2720 that this only matches CONST_INTs. All users changed to VOIDmode
2723 * config/bfin/bfin.c: Include "optabs.h".
2724 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2726 (enum bfin_builtins): Add a number of fractional and vector builtins.
2727 (bfin_init_builtins): Likewise.
2728 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2729 (safe_vector_operand, bfin_expand_binop_builtin,
2730 bfin_expand_unop_builtin): New functions.
2731 (bfin_expand_builtin): Handle the new builtins.
2732 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2735 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2738 * Makefile.in (OBJS-common): Add see.o.
2739 (see.o): Add dependencies.
2740 * common.opt (fsee): New flag for the see optimization was added.
2741 * opts.c (flag_see): Initialized.
2742 * passes.c (init_optimization_passes, pass_see): New pass.
2743 * rtl.h (see_main): Declaration as extern.
2744 * timevar.def (TV_SEE): New.
2745 * tree-pass.h (pass_see): Declaration as extern.
2746 * invoke.texi (-fsee): Document.
2747 * recog.c (validate_simplify_insn): New function.
2748 * recog.h (validate_simplify_insn): Declaration as extern.
2749 * df-problems.c (df_chain_dump): Check for NULL.
2751 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2752 Daniel Berlin <dberlin@dberlin.org>
2754 * cfgrtl.c (insert_insn_bb_end_new): New function.
2755 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2757 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2759 * df.h (struct web_entry): Moved from web.c.
2760 (union_defs): Declaration as extern.
2761 (unionfind_root): Likewise.
2762 (unionfind_union): Likewise.
2763 * web.c (struct web_entry): Moved to df.h.
2764 (unionfind_root): Remove static declaration.
2765 (unionfind_union): Likewise.
2766 (union_defs): Likewise and generalize to use callback function.
2767 (web_main): Update arguments for union_defs function call.
2769 2006-05-04 Richard Guenther <rguenther@suse.de>
2771 PR tree-optimization/26447
2772 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2773 produce SSA_NAME copies before the store stmt to avoid
2774 breaking exception handling.
2776 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2779 * gimplify.c (omp_is_private): If var is shared in some outer context,
2780 return false instead of true. Stop searching on parallel context
2783 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2786 * coverage.c: Use get_gcov_unsigned_t() instead of
2787 unsigned_type_node all over.
2789 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2791 PR tree-optimization/27381
2792 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2793 maintain the same immediate_use links.
2794 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2795 node rather than segfaulting.
2797 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2800 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2801 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2802 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2804 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2806 Fix PR tree-optimization/26626
2807 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2809 * tree-ssa-operands.c (access_can_touch_variable): Allow
2810 typecasting through union pointers.
2812 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2815 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2816 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2817 to find if var will be a global variable even in the nested context.
2818 (omp_copy_decl): Only check for global variable at the end, it might
2819 be overridden in outer contexts.
2820 (scan_sharing_clauses): For global variables don't create a field.
2821 (lower_rec_input_clauses): Do nothing for global shared variables.
2822 Emit a barrier at the end of ILIST if there were any decls in both
2823 firstprivate and lastprivate clauses.
2824 (lower_send_clauses): Do nothing for global variables except for
2827 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2829 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2830 of the correct signedness is returned.
2832 2006-05-02 Jeff Law <law@redhat.com>
2834 PR tree-optimization/27364
2835 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2836 multiply expressions.
2838 2006-05-02 Tom Tromey <tromey@redhat.com>
2840 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2842 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2845 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2846 -mthumb -fPIC are used.
2848 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2849 Joshua Kinard <kumba@gentoo.org>
2852 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2853 with 64-bit pointers.
2855 2006-05-02 Paul Brook <paul@codesourcery.com>
2857 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2859 (create_fix_barrier): Check that a suitable barrier location is
2861 (arm_reorg): Include ftmp->address in allowable range of addresses.
2863 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2866 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2869 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2872 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2873 around RESULT_DECL for result passed by reference.
2874 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2875 * omp-low.c (use_pointer_for_field): Don't look at
2876 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2877 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2878 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2879 time or var for passing by reference for
2880 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2881 TREE_ADDRESSABLE variables when passing by reference.
2883 * omp-low.c (dump_omp_region): Fix output formatting.
2886 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2887 (expand_omp_parallel): Likewise.
2888 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2891 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2892 on statement list containing also constructors and destructors.
2893 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2896 * except.c (duplicate_eh_regions): Fix clearing of
2897 cfun->eh->region_array entries.
2899 2006-05-01 DJ Delorie <dj@redhat.com>
2901 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2903 (gcc_cv_objdump): Likewise.
2904 * configure: Regenerated.
2906 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2909 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2910 templates for case 3 and 4.
2912 2006-05-01 DJ Delorie <dj@redhat.com>
2914 * vec.c: Include bconfig.h when appropriate.
2915 * Makefile.in (build/vec.o): Adjust dependencies.
2916 * mkconfig.sh: Make sure config.h isn't used for build machine
2919 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2921 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2923 (mark_phi_for_rewrite): New function.
2924 (insert_phi_nodes_for, mark_use_interesting): Call
2925 mark_phi_for_rewrite.
2926 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2927 (update_ssa): Initialize and free phis_to_rewrite.
2929 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2931 PR rtl-optimization/27291
2932 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2933 folded to a constant.
2935 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2937 PR tree-optimization/27283
2938 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2939 not whole # of iteration descriptions.
2940 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2941 uses abnormal ssa name.
2942 (niter_for_single_dom_exit): Ditto.
2943 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2944 return just the number of iterations.
2946 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2948 PR tree-optimization/27144
2949 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2950 (record_estimate): Only record constant upper bound.
2951 (infer_loop_bounds_from_undefined): Call
2952 compute_estimated_nb_iterations just once.
2953 (proved_non_wrapping_p): Renamed to ...
2954 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2955 (convert_step_widening, scev_probably_wraps_p): Call
2956 n_of_executions_at_most instead of proved_non_wrapping_p.
2957 (substitute_in_loop_info): Do not replace values in bounds.
2958 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2961 2006-05-01 Richard Henderson <rth@redhat.com>
2964 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2965 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2968 2006-05-01 Roger Sayle <roger@eyesopen.com>
2970 * c-typeck.c (parser_build_binary_op): Don't call the function
2971 unsigned_conversion_warning to spot operand/result type overflow.
2972 (build_binary_op): Instead, call convert_and_check instead of
2973 convert to report the problem when the operands are promoted.
2974 * c-common.c (unsigned_conversion_warning): Make static.
2975 * c-common.h (unsigned_conversion_warning): Delete prototype.
2977 2006-05-01 Richard Guenther <rguenther@suse.de>
2979 PR tree-optimization/26726
2980 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2982 (find_interesting_uses_address): ... we work around here
2983 by folding INDIRECT_REFs in the substituted base.
2985 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2987 * omp-low.c (dump_omp_region): Add newlines.
2989 2006-04-30 Roger Sayle <roger@eyesopen.com>
2991 * common.opt (Woverflow): New command line option.
2992 * c-common.c (constant_expression_warning): Check warn_overflow.
2993 (overflow_waring): Pass OPT_Woverflow to warning.
2994 (unsigned_conversion_warning): Likewise.
2995 (convert_and_check): Likewise.
2996 * doc/invoke.texi: Document new command line option.
2998 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3000 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3001 TARGET_NO_FP_IN_TOC for section anchors.
3002 (optimization_options): Enable section anchors for all
3003 non-"Objective" languages.
3005 2006-04-28 Eric Christopher <echristo@apple.com>
3007 * config/darwin-c.c (darwin_ms_struct): Move this
3008 (darwin_set_default_type_attributes): and this...
3009 * config/darwin.c: ... here.
3010 * config/darwin.h (darwin_ms_struct): Declare.
3012 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3014 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3016 2006-04-28 Roger Sayle <roger@eyesopen.com>
3019 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3020 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3021 an unsigned HOST_WIDE_INT.
3022 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3024 (really_start_incremental_init): No need to call convert because
3025 bitsize_zero_node is already of type bitsizetype.
3026 (push_init_level): Extract the value of constructor_index as an
3027 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3028 (process_init_element): Likewise.
3030 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3032 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3033 value before passing to make_relative_prefix.
3035 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3038 * builtins.c (expand_builtin_memset): Expand val in original mode.
3040 2006-04-27 Eric Christopher <echristo@apple.com>
3042 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3043 with #ifndef/#endif.
3044 * config/darwin-c.c (darwin_ms_struct): New.
3045 (darwin_pragma_ms_struct): Ditto.
3046 (darwin_set_default_type_attributes): Ditto.
3047 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3048 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3049 Register ms_struct pragma.
3050 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3051 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3052 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3053 darwin_set_default_type_attributes if TARGET_MACHO.
3055 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3057 PR tree-optimization/26854
3058 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3059 * doc/tree-ssa.texi: Update immuse iterator documentation.
3060 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3061 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3062 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3063 first_safe_imm_use, next_safe_imm_use): Remove.
3064 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3065 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3066 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3067 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3068 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3069 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3070 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3071 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3072 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3073 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3074 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3075 (perfect_nestify): Use new iterator.
3076 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3078 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3079 (next_imm_name): New field in struct immediate_use_iterator_d.
3080 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3081 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3082 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3083 * tree-cfg.c (replace_uses_by): Use new iterator.
3084 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3085 * tree-ssa-operands.c (correct_use_link): Remove.
3086 (finalize_ssa_use_ops): No longer call correct_use_link.
3088 2006-04-27 Stuart Hastings <stuart@apple.com>
3090 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3091 * config/t-darwin (crt3.o): Use it.
3092 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3093 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3094 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3095 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3096 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3099 2006-04-27 Roger Sayle <roger@eyesopen.com>
3101 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3102 size, force the intermediate into a new pseudo rather instead of
3103 performing both a bitwise AND and a bitwise IOR in memory.
3105 2006-04-27 Richard Guenther <rguenther@suse.de>
3107 PR rtl-optimization/26685
3108 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3109 this one "max-flow-memory-locations".
3111 2006-04-27 Richard Guenther <rguenther@suse.de>
3113 PR tree-optimization/25148
3114 * tree-vrp.c (compare_values): Remove code dealing with
3115 comparisons against type min/max value. Honour overflow
3116 and negative constants in code dealing with comparisons
3117 of plus and minus expressions.
3118 (value_inside_range): Use fold_binary with LE_EXPR and
3119 GE_EXPR rather than compare_values.
3121 2006-04-27 Dirk Mueller <dmueller@suse.de>
3123 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3126 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3128 * basic-block.h (safe_insert_insn_on_edge): Removed.
3129 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3131 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3132 Paolo Bonzini <bonzini@gnu.org>
3135 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3136 (simplify_and_const_int): Same.
3138 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3140 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3142 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3145 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3146 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3147 cgraph_global_info_ready.
3150 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3153 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3154 either decl or init is error_mark_node.
3157 * tree-flow.h (struct omp_region): Add sched_kind.
3158 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3159 instead of extracting omp for data.
3160 (expand_omp_for): Save extracted sched_kind.
3162 2006-04-25 Roger Sayle <roger@eyesopen.com>
3164 * expmed.c (store_bit_field): Also check whether the bitsize is
3165 valid for the machine's "insv" instruction before moving the
3166 target into a pseudo for use with the insv.
3167 * config/i386/predicates.md (const8_operand): New predicate.
3168 * config/i386/i386.md (extv, extzv, insv): Use the new
3169 const8_operand predicate where appropriate.
3171 2006-04-25 DJ Delorie <dj@redhat.com>
3173 * doc/install.texi (Specific): Clarify that this is not a list of
3174 supported hosts or targets.
3176 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3178 PR rtl-optimization/26725
3179 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3180 block's BB_DIRTY flag.
3182 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3184 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3187 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3188 to print an integer.
3190 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3192 * varasm.c (align_variable): New function.
3193 (get_block_for_decl): Apply align_variable to DECL before
3194 calculating section information.
3195 (assemble_variable): Split out alignment computation.
3197 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3199 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3202 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3204 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3205 MODE_PARTIAL_INT mode.
3206 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3207 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3209 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3210 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3212 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3214 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3216 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3217 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3218 MACFLAG_IH): Likewise.
3219 (movstricthi_1): Renamed from "*movstricthi".
3220 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3221 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3222 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3223 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3224 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3225 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3226 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3227 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3228 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3229 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3230 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3231 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3232 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3233 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3234 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3236 * doc/rtl.texi (ss_ashift): Improve wording.
3238 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3240 * dwarf2out.c (verify_marks_clear): New.
3241 (prune_unused_types): Call verify_marks_clear initially, not
3244 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3246 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3247 * doc/rtl.texi: Document them.
3248 * simplify-rtx.c (simplify_unary_operation,
3249 simplify_binary_operation_1): Don't abort when we see them.
3251 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3254 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3255 * configure.ac: Completely disregard languages that are not
3257 * configure: Regenerated.
3259 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3260 Richard Guenther <rguenther@suse.de>
3262 PR tree-optimization/27236
3263 * tree-inline.c (copy_body_r): Make sure to copy
3264 TREE_THIS_VOLATILE flag.
3266 2006-04-24 Richard Guenther <rguenther@suse.de>
3269 * tree-complex.c (update_parameter_components): Don't handle
3270 unused parameters which have no default def.
3272 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3273 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/27218
3276 * tree-inline.c (expand_call_inline): Strip useless type
3277 conversions for the return slot address.
3279 2006-04-24 Richard Guenther <rguenther@suse.de>
3281 * cfgloop.h (struct loops): Remove unused field array. Reorder
3283 (LOOP_PREFETCH): Remove.
3285 2006-04-24 Richard Guenther <rguenther@suse.de>
3287 PR tree-optimization/22525
3288 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3289 variable, adjust types of generated expressions.
3291 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3293 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3294 (tree-vect-patterns.o): Likewise.
3296 (cselib.o): Likewise.
3297 (loop-doloop.o): Likewise.
3298 (regclass.o): Likewise.
3299 (reload1.o): Likewise.
3300 (explow.o): Replace target.h with $(TARGET_H).
3301 (ipa-prop.o): Likewise.
3302 (ipa-cp.o): Likewise.
3303 (ipa-inline.o): Likewise.
3304 (reorg.o): Likewise.
3305 (reg-stack.o): Likewise.
3307 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3309 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3311 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3313 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3315 * configure.ac: Completely disregard languages that are not
3317 * configure: Regenerated.
3320 * c-common.h (c_build_bitfield_integer_type): Declare.
3321 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3322 * c-common.c (c_build_bitfield_integer_type): ... here.
3324 2006-04-23 Roger Sayle <roger@eyesopen.com>
3327 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3328 a SImode SUBREG of a floating point register after no_new_pseudos.
3330 2006-04-23 Roger Sayle <roger@eyesopen.com>
3332 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3333 identify potentially eliminable registers to additionally catch
3334 VIRTUAL_INCOMING_ARGS_REGNUM.
3335 (addsi3): Update the conditions on when to use addsi_small_int.
3337 2006-04-23 Roger Sayle <roger@eyesopen.com>
3340 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3341 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3342 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3344 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3346 * fold-const.c (range_predecessor): Use operand_equal_p
3347 as the predicate for equality.
3348 (range_successor): Likewise.
3350 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3353 * config/soft-fp/op-common.h: Fix a typo.
3355 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3358 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3359 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3361 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3363 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3365 * doc/tm.texi: Fix a typo.
3367 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3369 * dwarf2out.c (struct die_struct): Document that die_sib makes
3370 a circular linked list.
3371 (FOR_EACH_CHILD): New.
3372 (reverse_die_lists): Delete.
3373 (reverse_all_dies): Delete.
3374 (add_dwarf_attr): Correct documentation.
3375 (remove_child_with_prev): New.
3376 (remove_child_TAG): Update for change to die_struct, use
3377 remove_child_with_prev.
3378 (add_child_die): Update for change to die_struct.
3379 (splice_child_die): Use remove_child_with_prev and add_child_die.
3380 (print_die): Use FOR_EACH_CHILD.
3381 (die_checksum): Likewise.
3382 (assign_symbol_names): Likewise.
3383 (output_location_lists): Likewise.
3384 (build_abbrev_table): Likewise.
3385 (calc_die_sizes): Likewise.
3386 (mark_dies): Likewise.
3387 (unmark_dies): Likewise.
3388 (unmark_all_dies): Likewise.
3389 (output_die): Likewise.
3390 (prune_unused_types_mark): Likewise.
3391 (prune_unused_types_walk): Likewise.
3392 (same_die_p): Update for change to die_struct.
3393 (break_out_includes): Likewise.
3394 (prune_unused_types_prune): Likewise.
3395 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3396 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3398 (dwarf2out_finish): Don't call reverse_all_dies.
3400 2006-04-21 Eric Christopher <echristo@apple.com>
3402 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3403 in comments and function names.
3405 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3408 * c-typeck.c (digest_init): Robustify.
3410 * c-typeck.c (pop_init_level): Simplify.
3412 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3414 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3416 2006-04-21 Paul Brook <paul@codesourcery.com>
3418 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3419 hardware floating point.
3421 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3423 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3426 2006-04-21 Nick Clifton <nickc@redhat.com>
3428 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3431 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3434 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3435 C++ lang type in traceback table for Objective-C++.
3437 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3439 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3441 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3443 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3446 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3447 were errors. Remove check for erroneous objects.
3449 2006-04-20 Jeff Law <law@redhat.com>
3451 PR tree-optimization/26854
3452 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3453 checking for zero or one use.
3454 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3455 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3456 * tree-ssa-reassoc.c (negate_value): Similarly.
3457 (reassociate_bb): Similarly.
3459 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3461 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3462 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3463 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3465 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3467 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3468 fp regs if the last fp arg doesn't fit in regs.
3470 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3473 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3474 that the last insn has the REG_INC note.
3476 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3477 Nathan Sidwell <nathan@codesourcery.com>
3480 * stor-layout.c (update_alignment_for_field): Do not align
3482 (place_union_field): Place union field at the start of the union.
3483 (place_field): Move ERROR_MARK check later, and use the current
3484 allocation position to maintain monotonicity.
3486 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3488 * dominance.c: Include timevar.h.
3489 (calculate_dominance_info): Use TV_DOMINANCE.
3490 * timevar.def (TV_DOMINANCE): New timevar.
3491 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3493 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3495 PR rtl-optimization/14261
3496 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3497 move would be an INSV insn.
3498 (noce_process_if_block): Don't optimize if the destination is a
3499 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3501 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3503 * config/s390/s390.md: Add comments with the instructions emitted
3504 by an insn pattern if macros are used.
3506 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3508 PR rtl-optimization/26026
3509 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3510 is a known power of two shifted left a variable amount.
3512 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3514 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3515 to hash table twice when the debug_str section has SECTION_MERGE.
3517 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3519 * config/soft-fp: New directory. From glibc.
3520 * config/soft-fp/t-softfp: New.
3521 * config/soft-fp/README: New.
3522 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3523 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3524 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3525 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3526 * config.gcc: Use rs6000/t-fprules-fpbit or
3527 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3529 * config/rs6000/sfp-machine.h: New. Based on glibc.
3530 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3532 * config/rs6000/t-fprules: Remove fp-bit rules.
3533 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3534 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3535 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3536 (softfp_wrap_start, softfp_wrap_end): New.
3538 2006-04-18 DJ Delorie <dj@redhat.com>
3540 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3542 2006-04-18 Devang Patel <dpatel@apple.com>
3544 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3546 2006-04-18 Nick Clifton <nickc@redhat.com>
3548 * config/sh/t-symbian: Add rule to build sh-c.o
3549 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3550 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3551 (sh_symbian_encode_section_info): Likewise.
3553 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3555 * builtins.c (expand_builtin_strcmp): Cover label definition of
3556 do_libcall with HAVE_cmpstrnsi.
3558 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3560 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3562 * function.h (temp_slot_p): New.
3563 (function): Change the type of x_used_temp_slots to
3564 VEC(temp_slot_p,gc) *.
3566 2006-04-18 Nick Clifton <nickc@redhat.com>
3568 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3569 flag_strength_reduce.
3571 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3573 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3577 Partial revert of revision 112637
3578 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3579 Dale Johannesen <dalej@apple.com>
3582 * regclass.c (struct reg_pref): Update documentation.
3583 (regclass): Set prefclass to NO_REGS if memory is the best option.
3584 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3586 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3588 PR tree-optimization/26821
3589 * tree-ssa-math-opts.c (get_constant_one): New.
3590 (insert_reciprocals): Use it.
3592 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3594 * dwarf2out.c (free_AT): Delete.
3595 (remove_AT): Update string ref counts.
3596 (remove_child_TAG): Don't call free_die.
3598 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3599 or DW_TAG_GNU_EINCL.
3600 (prune_unused_types_walk_attribs): Reset string refcounts.
3601 (prune_unused_types_update_strings): New.
3602 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3603 call free_die. Do call prune_unused_types_update_strings.
3604 (prune_unused_types): Empty debug_str_hash.
3606 2006-04-17 Roger Sayle <roger@eyesopen.com>
3608 * expr.c (expand_assignment): Optimize away no-op moves where the
3609 source and destination are equal and have no side-effects.
3611 2006-04-17 Richard Guenther <rguenther@suse.de>
3614 * reload.c (push_reload): Guard calls to get_secondary_mem
3617 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3619 * alias.c (reg_base_value, old_reg_base_value): Change the
3620 type to VEC(rtx,gc) *.
3621 (REG_BASE_VALUE, find_base_value, record_set,
3622 init_alias_analysis): Use VEC instead of VARRAY.
3624 * alias.c (alias_sets): Change the type to
3625 VEC(alias_set_entry,gc) *.
3626 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3627 VEC instead of VARRAY.
3628 (last_alias_set): Remove.
3630 * cgraph.h (cgraph_edge_p): New.
3631 Update the prototype of cgraph_function_versioning.
3632 * cgraphunit.c (cgraph_copy_node_for_versioning,
3633 cgraph_function_versioning): Use VEC instead of VARRAY.
3634 * ipa-cp.c (ipcp_insert_stage): Likewise.
3636 2006-04-16 Roger Sayle <roger@eyesopen.com>
3639 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3640 "A op B" or "A op C", we may need to convert A to the type of B and C.
3642 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3644 * target.h (struct gcc_target): Add mode_rep_extended.
3645 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3646 (init_num_sign_bit_copies_in_rep): Initialize it using
3648 (truncate_to_mode): Use it.
3649 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3650 * targhooks.h (default_mode_rep_extended): Declare it.
3651 * targhooks.c (default_mode_rep_extended): Define it.
3652 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3653 default_mode_rep_extended.
3654 (TARGET_INITIALIZER): Include it.
3655 * doc/tm.texi (Misc): Document it.
3656 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3657 (mips_truncated_to_mode): New function.
3659 2006-04-16 Roger Sayle <roger@eyesopen.com>
3662 * expr.c (compress_float_constant): Copy the narrow constant into
3663 a new pseudo before extending it to its final width.
3665 2006-04-16 Roger Sayle <roger@eyesopen.com>
3666 Andrew Pinski <pinskia@gcc.gnu.org>
3667 Dale Johannesen <dalej@apple.com>
3670 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3671 special case code to implement V8HImode and V16QImode with SSE2.
3673 2006-04-15 Roger Sayle <roger@eyesopen.com>
3675 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3676 trees are constructed with a suitable tree type.
3678 2006-04-15 Roger Sayle <roger@eyesopen.com>
3680 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3681 (integer_onep): Likewise.
3682 (integer_all_onesp): Likewise.
3683 (integer_pow2p): Likewise.
3684 (integer_nonzerop): Likewise.
3685 (real_zerop): Likewise.
3686 (real_onep): Likewise.
3687 (real_twop): Likewise.
3688 (real_minus_onep): Likewise.
3689 (int_size_in_bytes): Likewise.
3690 (host_integerp): Likewise.
3692 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3694 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3695 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3696 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3698 * tree-ssa-structalias.h (alias_info): Remove num_references.
3700 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3702 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3703 (output_bvb patterns): Likewise.
3704 * pa.c (output_bb): Use 'bb' insn for long branch case.
3705 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3706 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3707 1. Correct length operand for alternatives 1 and 2.
3708 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3709 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3711 2006-04-14 Roger Sayle <roger@eyesopen.com>
3713 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3714 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3715 were accidentally reverted by r112959.
3717 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3720 * except.h (eh_region_outermost): New prototype.
3721 * except.c (eh_region_outermost): New function.
3722 * tree-cfg.c (find_outermost_region_in_block): Use it.
3724 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3726 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3728 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3729 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3730 (init_reload, reload): Use VEC instead of VARRAY.
3731 * reload.h: Update the prototype for
3732 reg_equiv_memory_loc_varray.
3734 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3735 Eric Botcazou <ebotcazou@libertysurf.fr>
3737 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3740 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3743 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3744 to expand fallback builtin function call.
3746 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3749 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3750 and emit libcall here in case the builtin fails.
3751 (expand_builtin_strcmp): Always emit the libcall here on failure.
3753 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3755 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3756 * flow.c (reg_n_info): Change the type to
3757 VEC(reg_info_p,heap) *.
3758 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3760 * regs.h (reg_info_p): New.
3761 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3762 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3763 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3766 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3768 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3770 * params.h (MAX_SCHED_READY_INSNS): New macro.
3771 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3772 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3773 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3774 the ready list for 1 cycle during the first scheduling pass.
3775 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3777 2006-04-13 Richard Henderson <rth@redhat.com>
3780 * gimple-low.c (lower_omp_directive): Remove dead code.
3781 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3782 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3783 * omp-low.c (struct omp_region): Move to tree-flow.h.
3784 (root_omp_region): Export.
3785 (omp_regions, lookup_omp_region): Remove.
3786 (determine_parallel_type): Update for struct omp_region changes.
3787 (dump_omp_region): Dump regions with block numbers.
3788 (new_omp_region): Take type and block instead of stmt; malloc
3790 (free_omp_region_1, free_omp_regions): New.
3791 (expand_parallel_call): Take entry_stmt as argument; update for
3792 changes to omp_region.
3793 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3794 (remove_exit_barriers): New.
3795 (expand_omp_parallel): Update for struct omp_region changes.
3796 (expand_omp_synch): Likewise.
3797 (expand_omp): Likewise.
3798 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3799 (expand_omp_for_static_chunk): Likewise.
3800 (expand_omp_for): Likewise.
3801 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3802 (expand_omp_sections): Similarly, with GOMP_sections_end.
3803 (expand_omp_single): New.
3804 (build_omp_regions_1): Update for OMP_CONTINUE.
3805 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3806 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3807 OMP_SECTIONS_SECTIONS.
3808 (lower_omp_single_simple): Don't emit barrier here.
3809 (lower_omp_single_copy): Likewise.
3810 (lower_omp_single): Fix bindings, and lower to straightline now.
3811 (lower_omp_master, lower_omp_ordered): Likewise.
3812 (lower_omp_critical): Likewise.
3813 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3814 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3815 omp edges, free it afterward.
3816 (make_omp_sections_edges): Remove.
3817 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3818 (move_stmt_r): Handle OMP_CONTINUE.
3819 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3820 statement pointers to basic blocks. Add type member.
3821 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3822 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3823 * tree-inline.c (estimate_num_insns_1): Likewise.
3824 * tree-pretty-print.c (dump_generic_node): Likewise.
3825 * tree-ssa-operands.c (get_expr_operands): Likewise.
3826 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3827 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3828 (OMP_CONTINUE): New.
3829 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3830 (OMP_SECTIONS_SECTIONS): Remove.
3831 (OMP_SECTION_LAST): New.
3832 (OMP_RETURN_NOWAIT): New.
3834 2006-04-13 Roger Sayle <roger@eyesopen.com>
3836 * fold-const.c (native_encode_vector, native_interpret_real):
3837 Correct obvious mistakes in the previous check-in.
3839 2006-04-13 Roger Sayle <roger@eyesopen.com>
3841 * fold-const.c (native_encode_expr): New function to encode
3842 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3843 or VECTOR_CST into a specified buffer.
3844 (native_encode_int): New function.
3845 (native_encode_real): New function.
3846 (native_encode_complex): New function.
3847 (native_encode_vector): New function.
3848 (native_interpret_expr): Inverse of native_encode_expr to convert
3849 a target representation into an INTEGER_CST, REAL_CST etc...
3850 (native_interpret_int): New function.
3851 (native_interpret_real): New function.
3852 (native_interpret_complex): New function.
3853 (native_interpret_vector): New function.
3854 (fold_view_convert_expr): New function to constant fold/evaluate
3855 a VIEW_CONVERT_EXPR of a suitable constant expression.
3856 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3857 Change call of build1 to fold_build1 when constructing a
3860 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3861 Ulrich Weigand <uweigand@de.ibm.com>
3864 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3867 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3870 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3871 optimize to lo_sum for DFmode if !TARGET_FPRS.
3873 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3875 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3876 delete_alias_info, compute_flow_sensitive_aliasing,
3877 group_aliases): Use VEC instead of VARRAY.
3878 * tree-ssa-structalias.c (update_alias_info): Likewise.
3879 * tree-ssa-structalias.h (alias_info): Change the type of
3880 processed_ptrs to VEC(tree,heap) *.
3882 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3885 * config/sh/lib1funcs.h: New file, broken out of:
3886 * config/sh/lib1funcs.asm.
3887 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3889 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3890 * config/sh/lib1funcs-Os-4-200.asm: New file.
3891 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3892 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3893 (EXTRA_MULTILIB_PARTS): Include it.
3894 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3895 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3896 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3897 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3900 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3902 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3903 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3904 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3906 * tree-ssa-live.h: Include vecprim.h.
3907 (tree_partition_associator_d): Change the type of
3908 first_partition to VEC(int,heap) *.
3909 (tpa_first_partition): Use VEC instead of VARRAY.
3911 * Makefile.in (GTFILES): Move functions.h after tree.h.
3912 * function.c (reset_block_changes, record_block_change,
3913 check_block_change, free_block_changes): Use VEC instead of
3915 * function.h (function): Change the type of
3916 ib_boundaries_block to VEC(tree,gc) *.
3917 * tree-inline.c (copy_cfg_body): Initialize
3918 ib_boundaries_block to NULL instead of (varray_type) 0.
3920 2006-04-12 Roger Sayle <roger@eyesopen.com>
3922 * expr.c (emit_group_store): Correct operand order in call to
3923 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3924 a SUBREG_BYTE of zero.
3926 2006-04-12 Richard Guenther <rguenther@suse.de>
3928 * profile.c (compute_branch_probabilities): Remove code
3929 encapsulated in !ir_type (), which are remanents of the
3930 removed RTL profiling code.
3931 * rtl-profile.c: Remove.
3933 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3935 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3936 magic NULL_RTX comment.
3937 (function_arg): Store entire fp arg to mem if any part should go
3939 (rs6000_arg_partial_bytes): Adjust for above change.
3941 2006-04-11 Roger Sayle <roger@eyesopen.com>
3943 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3944 if it hasn't been initialized by dwarf2out_init.
3946 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3948 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3949 symbolic constants in branch patterns.
3951 2006-04-11 Roger Sayle <roger@eyesopen.com>
3953 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3955 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3957 PR rtl-optimization/27073
3958 * gcse.c (try_replace_reg): Revert last change. Continue to search
3959 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3962 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3964 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3965 aggregate types other than record and union types.
3966 (function_arg): Likewise.
3967 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3969 (function_value): In 64-bit mode, return objects that require it
3972 2006-04-11 Roger Sayle <roger@eyesopen.com>
3974 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3976 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3978 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3980 2006-04-03 Jeff Law <law@redhat.com>
3983 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3984 alias information too.
3986 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3988 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3990 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3993 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3994 (premark_used_types_helper): New.
3995 (premark_used_types): New.
3996 (gen_subprogram_die): Call premark_used_types.
3997 (prune_unused_types_walk): Do not prune perennial dies.
3998 * function.c (used_types_insert): New.
3999 * function.h (struct function): Add used_types_hash field.
4000 (used_types_insert): Add prototype.
4001 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4002 * c-parser.c (c_parser_cast_expression): Save casted types in used
4005 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4008 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4009 rs6000_explicit_options.float_gprs.
4011 2006-04-10 Roger Sayle <roger@eyesopen.com>
4013 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4014 from ix86_expand_vector_init_low_nonzero. Take an additional
4015 one_var argument indicating which element is non-zero. Support
4016 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4017 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4018 with one_var instead of ix86_expand_vector_init_low_nonzero.
4020 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4022 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4023 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4024 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4025 build/genextract.o): Depend on vecprim.h.
4026 * cfglayout.c, df-problems.c, function.c, genextract.c,
4027 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4028 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4032 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4034 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4035 Declare VECs of this type.
4036 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4037 (remove_children): Delete.
4038 (add_dwarf_attr): Use VEC routines.
4039 (add_AT_flag): Update for changes to add_dwarf_attr.
4040 (add_AT_int): Likewise.
4041 (add_AT_unsigned): Likewise.
4042 (add_AT_long_long): Likewise.
4043 (add_AT_vec): Likewise.
4044 (add_AT_string): Likewise.
4045 (add_AT_die_ref): Likewise.
4046 (add_AT_fde_ref): Likewise.
4047 (add_AT_loc): Likewise.
4048 (add_AT_loc_list): Likewise.
4049 (add_AT_addr): Likewise.
4050 (add_AT_lbl_id): Likewise.
4051 (add_AT_lineptr): Likewise.
4052 (add_AT_macptr): Likewise.
4053 (add_AT_offset): Likewise.
4054 (add_AT_range_list): Likewise.
4055 (get_AT): Use VEC_iterate.
4056 (remove_AT): Use VEC_ordered_remove.
4057 (free_die): Fold remove_children into here; have it use VEC_iterate.
4058 (print_die): Use VEC_iterate on attrs.
4059 (reverse_die_lists): Don't reverse attr lists.
4060 (die_checksum): Use VEC_iterate on attrs.
4061 (same_die_p): Likewise.
4062 (output_location_lists): Likewise.
4063 (build_abbrev_table): Likewise.
4064 (size_of_die): Likewise.
4065 (unmark_all_dies): Likewise.
4066 (output_abbrev_section): Likewise.
4067 (output_die): Likewise.
4068 (prune_unused_types_walk_attribs): Likewise.
4070 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4072 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4074 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4077 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4079 2006-04-09 Roger Sayle <roger@eyesopen.com>
4081 * expr.c (store_constructor): Don't bother clearing target if
4082 we're about to assign a vector to it using vec_init_optab.
4084 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4086 * tree-ssa-alias.c (lhs_may_store_to): New function.
4087 (recalculate_used_alone): Handle LHS of calls.
4089 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4093 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4094 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4095 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4096 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4097 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4098 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4099 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4100 stubs. Add ".align 8" directives before all ".dword" directives.
4101 (GTHREAD_USE_WEAK): Revise comment.
4102 (TARGET_ATTRIBUTE_WEAK): Define.
4103 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4104 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4105 * stublib.c: New file.
4110 * pa.md (cbranch patterns): Revise arguments used in calls to
4111 output_cbranch, output_bb and output_bvd. Add long branch length
4113 (fbranch patterns): Handle long branches.
4114 (jump): Revise length check. Revise arguments for output_lbranch call.
4115 Add long branch length attributes.
4116 (decrement_and_branch_until_zero): Add long branch length attributes.
4117 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4118 Likewise. Revise arguments for output_parallel_addb and
4119 output_parallel_movb calls.
4120 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4121 output_parallel_movb and output_parallel_addb): Update prototypes.
4122 * pa.c (output_cbranch): Revise arguments. Correct handling of
4123 nullification in long branches.
4124 (output_lbranch): Add new argument to control extraction of delay
4126 (output_bb): Handle long branches.
4127 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4128 output_parallel_addb): Likewise.
4130 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4132 PR rtl-optimization/27073
4133 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4136 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4138 * tree.h (tree_memory_tag): Add old_used_alone.
4139 (SMT_OLD_USED_ALONE): New macro.
4140 * tree-ssa-alias.c (recalculate_used_alone): Stop
4141 marking things for renaming unnecessarily.
4143 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4145 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4146 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4147 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4148 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4149 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4150 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4151 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4152 spelling convensions.
4153 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4154 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4155 typos. Follow spelling conventions.
4157 2006-04-07 DJ Delorie <dj@redhat.com>
4159 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4160 passed on the stack.
4161 (m32c_init_cumulative_args): When a function returns a structure,
4162 always pass the pointer to that return area on the stack.
4163 (m32c_function_arg_advance): Don't increment the parameter number
4164 if we're processing the returned structure pointer.
4165 (pushm_info): Reverse order of registers.
4167 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4169 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4170 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4171 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4172 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4174 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4175 chrec_fold_multiply): Same.
4176 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4177 force_expr_to_var_cost): Same.
4178 * tree-mudflap.c (mf_xform_derefs_1): Same.
4179 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4181 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4183 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4184 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4187 2006-04-07 Jan Hubicka <jh@suse.cz>
4189 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4191 2006-04-07 Richard Guenther <rguenther@suse.de>
4193 PR tree-optimization/26135
4194 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4195 loads for store copy-prop.
4196 (copy_prop_visit_stmt): Likewise.
4198 2006-04-05 Robert Millan <robertmh@gnu.org>
4200 * config/i386/linux.h: Add a comment to mark macros that are
4201 being overriden in config/k*bsd-gnu.h.
4202 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4204 * config/knetbsd-gnu.h: Ditto.
4206 2006-04-06 Jan Hubicka <jh@suse.cz>
4210 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4213 2006-04-06 Mike Stump <mrs@apple.com>
4215 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4216 for HAVE_nonlocal_goto to be consistent.
4217 (expand_builtin_nonlocal_goto): Likewise.
4218 (expand_builtin_strcmp): Use #ifdef instead of #if
4219 for HAVE_cmpstrnsi to be consistent.
4221 2006-04-05 DJ Delorie <dj@redhat.com>
4223 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4226 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4228 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4229 got-relative addressing for anything but SImode.
4231 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4232 even if the calling function doesn't modify them.
4234 2006-04-05 Richard Guenther <rguenther@suse.de>
4236 PR tree-optimization/26919
4237 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4238 to cgraph_estimate_size_after_inlining.
4240 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4242 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4244 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4246 PR tree-optimization/26996
4247 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4248 VECTOR_TYPE variables.
4250 2006-04-05 Richard Guenther <rguenther@suse.de>
4252 PR tree-optimization/26763
4253 * fold-const.c (fold_comparison): Move folding of
4254 PTR + CST CMP PTR + CST ...
4255 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4257 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4259 * doc/install.texi (Prerequisites): Refine some wording on
4260 bootstrapping and ksh.
4261 Move the version numbers of DejaGnu here from the testing section
4262 and fix casing of names.
4263 Fix markup and clarify wording for autogen requirements.
4264 Refer to GCJ instead of just java.
4265 Refer to SVN instead of CVS.
4266 Describe diffutils as useful instead of necessary.
4267 (Downloading the source): Refer to SVN instead of CVS.
4268 Adjust a link to our web site accordingly.
4269 (Configuration): Fix casing of Bison.
4270 (Building): Refer to SVN instead of CVS.
4271 Fix a sentence on the use of Bison and remove duplicate (and
4272 incorrect) version number of Bison requirement.
4273 Remove one redundant list of packages needed for building.
4274 (Specific): Avoid reference to CVS.
4276 2006-04-04 Eric Christopher <echristo@apple.com>
4278 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4279 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4280 (rs6000_handle_struct_attribute): New.
4281 (rs6000_ms_bitfield_layout_p): Ditto.
4283 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4285 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4286 NULL for dso parameter to atexit_common.
4288 2006-04-04 Eric Christopher <echristo@apple.com>
4290 * config/i386/i386.c (machopic_output_stub): Output \t
4291 between instructions and operands.
4293 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4295 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4296 satisfies_constraint_[IL] to explicit tests on value.
4298 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4300 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4301 set_nb_iterations_in_loop): Use build_int_cst instead of
4303 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4304 build_int_cst instead of convert.
4306 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4308 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4309 new value 2 for incoming.
4310 * function.c (expand_function_start): Call struct_value_rtx
4312 * config/sparc/sparc.md: Comment updated_return.
4313 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4314 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4315 struct return if sparc_std_struct_return and incoming is 2.
4316 (print_operand): Do not adjust return if
4317 sparc_std_struct_return.
4319 2006-04-04 Roger Sayle <roger@eyesopen.com>
4321 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4322 convert in the middle-end.
4323 * expr.c (store_expr, store_constructor, get_inner_reference,
4324 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4326 * tree.c (build_range_type): Likewise.
4328 2006-04-04 Tom Tromey <tromey@redhat.com>
4330 * doc/install.texi (Prerequisites): Mention jar.
4332 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4334 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4337 2006-04-04 Matthias Klose <doko@debian.org>
4339 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4340 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4343 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4345 * doc/extend.texi (Function Attributes): Rewrite visibility
4346 attribute documentation.
4347 * doc/invoke.texi (C++ Dialect Options): Rewrite
4348 -fvisibility-inlines-hidden documentation to describe something
4349 entirely different, although in practise compatible.
4350 (Code Gen Options): Warn about system headers in -fvisibility=
4353 * doc/extend.texi (Other Builtins): Document that
4354 __builtin_nan is a compile-time constant only when its argument
4357 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4359 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4360 trying to remove TRUNCATE check if all bits outside the new mode
4361 are identical to the sign bit.
4363 2006-04-03 Jeff Law <law@redhat.com>
4365 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4366 and operand scanning in some common cases.
4368 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4369 Dale Johannesen <dalej@apple.com>
4372 * regclass.c (struct reg_pref): Update documentation.
4373 (regclass): Set prefclass to NO_REGS if memory is the best option.
4374 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4375 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4376 into account. For non-registers, equate an empty preferred
4377 reload class to a `!' in the constraint; move the if clause to
4378 do so after those that reject the insn.
4379 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4381 (find_dummy_reload): Likewise.
4382 * doc/tm.texi (Register Classes): Document what it means
4383 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4384 * config/i386/i386.c (ix86_preferred_reload_class): Force
4385 using SSE registers (and return NO_REGS for floating-point
4386 constants) if math is done with SSE.
4387 (ix86_preferred_output_reload_class): New.
4388 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4389 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4390 * config/i386/i386.md: Remove # register preferences.
4392 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4395 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4396 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4397 the type of nb_iter.
4398 (instantiate_parameters_1): Convert the operands before calling
4399 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4400 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4402 2006-04-02 Roger Sayle <roger@eyesopen.com>
4404 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4405 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4407 * dojump.c (do_jump): Likewise.
4408 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4409 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4410 gimplify_boolean_expr): Likewise.
4411 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4412 * varasm.c (array_size_for_constructor): Likewise.
4413 * tree-object-size.c (compute_object_offset): Likewise.
4415 2006-04-02 Roger Sayle <roger@eyesopen.com>
4418 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4419 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4423 PR tree-optimization/26939
4424 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4426 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4428 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4429 at_stmt. Convert the type of operands before calling
4430 build_polynomial_chrec.
4431 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4433 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4434 (instantiate_parameters_1): Convert the type of operands before calling
4435 build_polynomial_chrec.
4436 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4437 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4438 reset_evolution_in_loop): Insert asserts to check the types of the
4440 (chrec_type): Moved...
4441 (eq_evolutions_p): Use operand_equal_p.
4442 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4443 the types of the operands.
4444 (chrec_type): ...here.
4445 * tree-data-ref.c (create_data_ref): Convert the operands before
4446 calling chrec_replace_initial_condition.
4447 (same_access_functions, analyze_subscript_affine_affine,
4448 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4449 (compute_subscript_distance, analyze_ziv_subscript,
4450 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4451 analyze_miv_subscript): Convert the operands before calling
4452 chrec_fold_minus or chrec_fold_plus.
4454 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4456 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4457 the dependence_relations vector.
4458 (compute_data_dependences_for_loop): Adjust call to
4459 compute_all_dependences.
4461 2006-04-01 Roger Sayle <roger@eyesopen.com>
4462 Richard Henderson <rth@redhat.com>
4464 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4465 gimple_boolify on the condition before calling gimplify_expr.
4467 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4469 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4470 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4471 the frame size. Update to use the new macros.
4472 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4473 * config/xtensa/ieee754-df.S: Likewise.
4475 2006-03-31 Richard Henderson <rth@redhat.com>
4477 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4478 (make_edges): ... here. Control fallthru creation with a local
4479 variable. Do not play with fake edges.
4480 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4481 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4484 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4486 * dwarf2.h (DW64_CIE_ID): Define.
4487 * dwarf2out.c (DWARF_CIE_ID): Define.
4488 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4489 length header. Use DWARF_CIE_ID.
4490 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4491 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4493 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4495 * config/sh/linux-atomic.asm: New file.
4496 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4498 2006-03-31 DJ Delorie <dj@redhat.com>
4500 * config/m32c/cond.md: Set condition flags properly throughout.
4501 * config/m32c/minmax.md: Likewise.
4502 * config/m32c/prologue.md: Likewise.
4503 * config/m32c/bitops.md: Likewise.
4504 * config/m32c/muldiv.md: Likewise.
4505 * config/m32c/mov.md: Likewise.
4506 * config/m32c/addsub.md: Likewise.
4507 * config/m32c/m32c.md: Likewise.
4508 * config/m32c/jump.md: Likewise.
4509 * config/m32c/shift.md: Likewise.
4511 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4512 conditionally output the pattern for this.
4513 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4514 (m32c_compare_redundant): New.
4515 (m32c_output_compare): New.
4516 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4518 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4519 dest, not src. Allow other 4-byte modes.
4521 2006-03-30 Denis Chertykov <denisc@overta.ru>
4523 * doc/md.texi: Refer to avr/constraints.md instead of
4526 2006-03-30 Roger Sayle <roger@eyesopen.com>
4528 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4529 signed vs. unsigned comparison failures on some hosts.
4531 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4534 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4535 change to FLOAT_REGS.
4537 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4538 (rs6000_override_options): Use it.
4539 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4540 only for -mabi=spe/no-spe and -mabi=altivec.
4542 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4544 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4547 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4549 * Makefile.in: Rename docdir to gcc_docdir.
4551 2006-03-30 Roger Sayle <roger@eyesopen.com>
4554 * expr.c (emit_group_store): Optimize group stores into a pseudo
4555 register by using a paradoxical subreg to initialize the destination
4556 if the first or last member of the group specifies a "low part".
4558 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4561 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4562 * target.h (struct gcc_target.speculate_insn): Change type of the
4563 second parameter to 'int'.
4564 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4565 the second operand of the DEPS_LIST.
4566 (copy_DEPS_LIST_list): Update reference to the second operand of the
4568 * rtl.h (alloc_DEPS_LIST): Update signature.
4569 * sched-int.h (ds_t): Change typedef to 'int'.
4570 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4572 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4574 * haifa-sched.c (try_ready): Change condition to restore
4575 non-speculative pattern of the instruction.
4576 (process_insn_depend_be_in_spec): Code to keep probability of the
4577 speculative dependence non-decreasing.
4579 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4581 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4582 (single_move_for_movmem): ... this. Also change all uses.
4583 (bfin_expand_strmov): Renamed to...
4584 (bfin_expand_movmem): ... this. Also change all uses.
4585 * config/bfin/bfin.md (movstrsi): Renamed to...
4586 (movstrsi): ...this.
4588 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4590 PR tree-optimization/26830
4592 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4593 (copy_prop_visit_stmt): Remove write-only variable ann.
4594 (init_copy_prop): Check variable loop depth here. Do not simulate
4595 memory-tag and virtual operand PHIs except for store copy prop.
4597 2006-03-30 Richard Guenther <rguenther@suse.de>
4599 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4600 variants with double arguments.
4602 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4604 * genpreds.c (write_tm_constrs_h): Delete variable p.
4605 * genconditions.c (write_header): Add tm-constrs.h to included
4607 * genpeep.c (main): Add toplev.h to included headers.
4608 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4609 (build/genpeep.o): Add toplev.h dependency.
4610 * config/rs6000/constraints.md: Add "W" constraint.
4612 2006-03-29 Roger Sayle <roger@eyesopen.com>
4614 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4615 sizes by correctly testing whether the size fits a host integer.
4616 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4617 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4618 SImode range for the default sizetype and bitsizetype.
4620 2006-03-29 Roger Sayle <roger@eyesopen.com>
4622 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4623 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4624 quickly if the argument is already of the correct type.
4625 Call fold_build1 instead of build1. Tidy up blank lines.
4627 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4629 * genemit.c (main): Add tm-constrs.h to included headers.
4630 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4631 * genpeep.c (main): Add tm-constrs.h to included headers.
4632 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4633 (write_tm_constrs_h): this and write complete file.
4634 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4635 (write_insn_preds_c): Add tm-constrs.h to included headers.
4636 (gen_constrs): New variable.
4637 (parse_option): Parse "-c".
4638 (main): Invoke write_tm_constrs_h.
4639 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4640 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4641 (object_out_file): Add tm-constrs.h dependency.
4642 (insn-emit.o): Same.
4643 (insn-output.o): Same.
4644 (insn-peep.o): Same.
4645 (insn-preds.o): Same.
4646 (insn-recog.o): Same.
4647 (tm-constsr.h): New target.
4648 (s-constrs-h): New target.
4650 * config/rs6000/constraints.md: New file.
4651 * config/rs6000/rs6000.c: Include tm-constrs.h.
4652 (num_insn_constant_wide): Convert to satisfies_constraint.
4653 (rs6000_rtx_costs): Convert to satisfies_constraint.
4654 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4655 (CONST_OK_FOR_LETTER_P): Delete.
4656 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4657 (EXTRA_CONSTRAINT): Delete.
4658 (EXTRA_MEMORY_CONSTRAINT): Delete.
4659 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4660 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4661 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4662 satisfies_constraint.
4664 * config/i386/i386.c: Include tm-constrs.h.
4666 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4668 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4669 * tree-data-ref.c (find_data_references_in_loop,
4670 compute_data_dependences_for_loop): Use pointers to VEC.
4671 (analyze_all_data_dependences): Adjust calls.
4672 * tree-data-ref.h (find_data_references_in_loop,
4673 compute_data_dependences_for_loop): Adjust declarations.
4674 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4675 compute_data_dependences_for_loop.
4677 2006-03-29 Paul Brook <paul@codesourcery.com>
4679 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4682 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4684 PR tree-optimization/26859
4685 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4687 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4688 for the step after fold_convert.
4690 2006-03-29 Paul Brook <paul@codesourcery.com>
4692 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4693 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4695 2006-03-29 Paul Brook <paul@codesourcery.com>
4698 * targhooks.c (default_narrow_bitfield): New fuction.
4699 * targhooks.h (default_narrow_bitfield): add prototype.
4700 * target.h (gcc_target): Add narrow_volatile_bitfield.
4701 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4702 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4703 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4704 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4706 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4708 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4710 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4711 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4712 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4713 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4714 (s390_function_arg_float): Allow SDmode and DDmode values to be
4715 passed in floating point registers.
4716 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4717 check with SCALAR_FLOAT_MODE_P.
4718 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4720 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4722 PR tree-optimization/25985
4723 * tree-ssa-loop-niter.c (number_of_iterations_le,
4724 number_of_iterations_ne): Make comments more precise.
4725 (number_of_iterations_cond): Add only_exit argument. Use the
4726 fact that signed variables do not overflow only when only_exit
4728 (loop_only_exit_p): New.
4729 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4730 number_of_iterations_cond.
4732 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4734 PR tree-optimization/26643
4735 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4738 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4740 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4741 (divsi3_i4_int): Likewise.
4743 2006-03-28 Roger Sayle <roger@eyesopen.com>
4745 * expr.c (emit_group_store): Only create a new pseudo reg if the
4746 quantity it needs to hold isn't already a suitable pseudo.
4748 2006-03-28 Jeff Law <law@redhat.com>
4750 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4751 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4753 2006-03-28 Roger Sayle <roger@eyesopen.com>
4755 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4756 the equivalent ~X & Y, and the symmetry related transformations.
4757 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4758 ~X & Y, and symmetry related transforms.
4760 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4762 Revert my 2006-03-27 patches.
4764 2006-03-28 Roger Sayle <roger@eyesopen.com>
4766 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4767 ~(T1)X, when T1 and T2 are integer types of the same precision
4768 and (T2)X isn't an extension.
4770 2006-03-28 Jeff Law <law@redhat.com>
4772 PR tree-optimization/26796
4773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4774 need EH edge cleanups rather than purging them immediately.
4775 (eliminate_degenerate_phis): Handle queued EH cleanups.
4777 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4779 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4782 2006-03-27 Roger Sayle <roger@eyesopen.com>
4785 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4786 cast BIT_NOT_EXPR operand to the correct type.
4788 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4790 * tree-loop-linear.c: Don't include varray.h.
4791 (gather_interchange_stats, try_interchange_loops,
4792 linear_transform_loops): Use VEC instead of VARRAY.
4793 * lambda-mat.c: Don't include varray.h.
4794 * tree-chrec.c: Same.
4795 * lambda-trans.c: Same.
4796 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4797 VEC instead of VARRAY.
4798 * tree-vectorizer.h: Idem.
4799 * tree-data-ref.c (dump_data_references,
4800 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4801 initialize_data_dependence_relation, finalize_ddr_dependent,
4802 compute_all_dependences, find_data_references_in_loop,
4803 compute_data_dependences_for_loop, analyze_all_data_dependences,
4804 free_dependence_relation, free_dependence_relations,
4805 free_data_refs): Idem.
4806 * tree-data-ref.h (data_reference_p, subscript_p): New.
4807 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4808 VEC instead of VARRAY.
4809 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4810 (find_data_references_in_loop, compute_data_dependences_for_loop,
4811 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4812 dump_data_dependence_relations, free_dependence_relations,
4813 free_data_refs): Adjust declaration.
4814 (lambda_transform_legal_p): Move declaration here...
4815 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4816 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4817 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4818 vect_analyze_data_refs): Use VEC instead of VARRAY.
4819 * lambda.h (lambda_transform_legal_p): ...from here.
4820 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4821 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4822 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4823 tree-chrec.o): Don't depend on VARRAY_H.
4825 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4827 * rtl.def (Copyright): Update date.
4828 (DEPS_LIST): Change type of the second operand to 'int'.
4829 * target.h (Copyright): Update date.
4830 (struct gcc_target.speculate_insn): Change type of the second parameter
4832 * lists.c (Copyright): Update date.
4833 (alloc_DEPS_LIST): Change signature. Update reference to the second
4834 operand of the DEPS_LIST.
4835 (copy_DEPS_LIST_list): Update reference to the second operand of the
4837 * rtl.h (Copyright): Update date.
4838 (alloc_DEPS_LIST): Update signature.
4839 * sched-int.h (Copyright): Update date.
4840 (ds_t): Change typedef to 'int'.
4841 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4843 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4845 * haifa-sched.c (Copyright): Update date.
4846 (try_ready): Change condition to restore non-speculative pattern
4848 (process_insn_depend_be_in_spec): Code to keep probability of the
4849 speculative dependence non-decreasing.
4851 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4853 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4854 shut up the compiler.
4856 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4858 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4859 to use lib prefix for target.
4860 ($(T)libic_invalidate_array_4-200.a): Likewise.
4861 ($(T)libic_invalidate_array_4a.a): Likewise.
4863 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4864 J"orn Rennecke <joern.rennecke@st.com>
4866 * superh.opt: New file.
4867 * sh.c (boardtype, osruntime): Remove.
4868 * superh.h (SUBTARGET_OPTIONS): Remove.
4869 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4871 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4872 arguments with ^ and/or [].
4874 * config.gcc (sh-*-*): Add quoting to account for quirk of
4876 Replace == with = in enable_incomplete_targets test.
4878 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4879 with MASK_LITTLE_ENDIAN.
4881 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4882 * config/sh/sh.opt: Added to some comments.
4883 * config/sh/superh.h: Removed some chaff.
4885 * config/sh/sh.opt: Add m4-[1234]00* options.
4886 * config/sh/sh.c (sh_handle_option): Likewise.
4887 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4888 (ic_invalidate_array_4-100.o): New rule.
4889 ($(T)libic_invalidate_array_4-100.a): Likewise.
4890 (ic_invalidate_array_4-200.o): Likewise.
4891 ($(T)libic_invalidate_array_4-200.a): Likewise.
4892 (ic_invalidate_array_4a.o): Likewise.
4893 ($(T)libic_invalidate_array_4a.a): Likewise.
4894 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4895 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4897 * config/sh/crt1.asm: Merged in profiling code.
4898 * config/sh/superh.h (STARTFILE_SPEC): Override.
4899 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4900 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4901 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4903 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4904 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4905 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4907 * sh.opt (mpretend-cmove): New option.
4908 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4909 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4910 (movsicc): Add TARGET_PRETEND_CMOVE code.
4912 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4914 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4915 s390_class_max_nregs): New function prototypes.
4916 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4917 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4918 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4919 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4921 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4923 * dwarf2out.c (add_location_or_const_value_attribute): Call
4924 tree_add_const_value_attribute if nothing else works.
4925 (reference_to_unused): New.
4926 (rtl_for_decl_init): Use reference_to_unused to decide whether
4927 to output an initializer.
4929 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4932 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4933 peephole removing spe frob_di_df_2.
4935 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4937 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4938 (subscript_dependence_tester_1): Declared.
4939 (print_dir_vectors, print_dist_vectors): New.
4940 (debug_data_dependence_relation): New.
4941 (dump_data_dependence_relation): Print more details.
4942 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4943 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4944 (save_dist_v, save_dir_v, add_outer_distances,
4945 build_classic_dist_vector_1): New.
4946 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4947 Don't test for lambda_vector_lexico_pos.
4948 (same_access_functions, add_multivariate_self_dist,
4949 add_other_self_distances, dir_from_dist): New.
4950 (build_classic_dir_vector): Replace implementation almost identical to
4951 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4953 (subscript_dependence_tester_1): New.
4954 (subscript_dependence_tester): Handle the lexicographically negative
4955 distance vectors by recomputing the dependence relation.
4956 (compute_affine_dependence): Remove parameter loop_nest_depth.
4957 (compute_self_dependence): Don't call compute_subscript_distance.
4958 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4959 Add a parameter for the loop_nest.
4960 (find_loop_nest_1, find_loop_nest): New.
4961 (compute_data_dependences_for_loop): Compute the loop nest, and give
4962 up if the nest is not well formed.
4963 * tree-data-ref.h (loop_p): New.
4964 (struct data_dependence_relation): Replace size_vect field with
4965 loop_nest, a vec of loops.
4966 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4967 (DDR_LOOP_NEST): New.
4968 (print_dir_vectors, print_dist_vectors,
4969 debug_data_dependence_relation): Declared.
4970 (index_in_loop_nest): New.
4971 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4972 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4975 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4977 * simplify-rtx.c (simplify_relational_operation): Call
4978 simplify_relational_operation_1 even if mode is VOIDmode.
4980 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4982 PR tree-optimization/26804
4983 * tree.h (DECL_CALL_CLOBBERED): New macro.
4984 (tree_decl_common): Add call_clobbered_flag.
4985 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4986 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4987 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4988 (mark_non_addressable): Ditto.
4989 * tree-ssa.c (verify_call_clobbered): New function.
4990 (verify_alias_info): Use it.
4991 * tree-pass.h (pass_reset_cc_flags): New prototype.
4992 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4993 (reset_cc_flags): New function.
4994 * passes.c (init_optimization_passes): Call reset_cc_flags after
4995 initializing referenced_vars.
4997 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4998 Roger Sayle <roger@eyesopen.com>
5001 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5002 to 1.0 for non-real operands. Implement A / A optimization for
5005 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5007 * config/i386/i386.c (size_cost): Correct the comment for
5008 cost of storing fp registers.
5009 (i386_cost): Likewise.
5010 (i486_cost): Likewise.
5011 (pentium_cost): Likewise.
5012 (pentiumpro_cost): Likewise.
5013 (k6_cost): Likewise.
5014 (athlon_cost): Likewise.
5015 (k8_cost): Likewise.
5016 (pentium4_cost): Likewise.
5017 (nocona_cost): Likewise.
5018 (generic64_cost): Likewise.
5019 (generic32_cost): Likewise.
5021 2006-03-24 Denis Chertykov <denisc@overta.ru>
5023 * config/avr/avr-protos.h (extra_constraint): Delete.
5024 (extra_constraint_Q): New declaration.
5025 * config/avr/constraints.md: New file.
5026 * config/avr/avr.md: Include it.
5027 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5028 (TMP_REGNO, ZERO_REGNO): Likewise.
5029 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5030 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5031 (extra_constraint): Delete.
5032 (extra_constraint_Q): Test for memory constraint 'Q'.
5033 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5034 (REG_CLASS_FROM_LETTER): Delete.
5035 (CONST_OK_FOR_LETTER_P): Delete.
5036 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5037 (EXTRA_CONSTRAINT): Delete.
5038 (TMP_REGNO): Delete.
5039 (ZERO_REGNO): Delete.
5041 2006-03-24 Jeff Law <law@redhat.com>
5043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5044 directly. Call mark_new_vars_to_rename slightly earlier.
5046 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5048 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5050 (gen_compile_unit_die): Use new language types for Objective-C and
5052 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5053 DW_LANG_C_plus_plus.
5056 * config/t-darwin (crt3.o): Work around bug 26840.
5057 * config/darwin-crt3.c: Rewrite.
5058 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5060 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5062 * doc/invoke.texi: Document -femit-class-debug-always
5063 * common.opt: Add -femit-class-debug-always.
5065 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5067 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5068 index and base register.
5069 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5070 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5071 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5072 REGNO_OK_FOR_INDEX_P.
5073 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5075 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5076 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5077 REG_OK_FOR_BASE_P): Definitions removed.
5079 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5082 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5083 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5084 set yet or weren't marked as local yet.
5086 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5088 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5091 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5093 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5094 (rs6000_legitimate_small_data_p): Delete.
5095 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5096 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5097 and make static. Add forward declaration. Update uses.
5098 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5099 of offsettable_memref_p.
5100 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5101 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5103 2006-03-24 Jeff Law <law@redhat.com>
5105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5106 around bug in immediate-use iterator.
5108 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5111 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5112 or __LITTLE_ENDIAN__.
5114 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5116 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5117 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5118 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5119 * config/sh/sh.opt (mdiv=): Amend description.
5120 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5121 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5122 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5123 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5124 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5125 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5126 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5127 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5128 TARGET_DIVIDE_CALL_FP.
5130 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5132 * haifa-sched.c (choose_ready): Fix type of the local variable.
5133 Move local variables. Add comment.
5134 (check_reg_live): Change signature. Make callable from debugger.
5135 * sched-int.h (check_reg_live): Update signature.
5136 * sched-ebb.c (check_reg_live): Update parameters.
5137 * sched-rgn.c (check_reg_live): Ditto.
5138 (region_head_or_leaf_p): Check pointer before dereferencing.
5139 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5140 before reload on optimization levels below 1.
5142 2006-03-23 Richard Henderson <rth@redhat.com>
5144 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5148 * config/alpha/predicates.md (local_symbolic_operand): Reject
5151 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5154 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5155 expressions which have overflowed constants.
5157 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5159 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5161 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5163 * cfgloopmanip.c (create_loop_notes): Removed.
5164 * final.c (final_scan_insn): Do not handle loop notes.
5165 * jump.c (squeeze_notes): Ditto.
5166 * cfglayout.c (skip_insns_after_block,
5167 duplicate_insn_chain): Ditto.
5168 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5170 * cfgloop.h (create_loop_notes): Declaration removed.
5172 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5174 * varasm.c (output_constant_pool): Restore fnname and fndecl
5176 (assemble_start_function): Adjust call accordingly.
5177 (assemble_end_function): Likewise.
5179 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5182 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5185 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5187 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5190 * system.h (ICE_EXIT_CODE): New macro.
5191 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5192 (diagnostic_action_after_output): Likewise.
5193 * gcc.c (fatal_ice): New function.
5194 (execute): Use it instead of fatal.
5195 (fancy_abort): Likewise.
5196 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5198 2006-03-22 Jeff Law <law@redhat.com>
5200 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5201 iv_analyze_result returning false.
5203 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5205 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5207 2006-03-22 Richard Henderson <rth@redhat.com>
5210 * except.c (duplicate_eh_regions_0): New.
5211 (duplicate_eh_region_1): Duplicate the children of the node as
5212 well as the node itself. Link them up properly.
5213 (duplicate_eh_region_2): Merge into ...
5214 (duplicate_eh_regions): ... here. Take copy_region argument, and
5215 copy only a sub-tree if asked. Simplify copying and fixup.
5216 (eh_region_outer_p): New.
5217 * except.h (duplicate_eh_regions): Update decl.
5218 (eh_region_outer_p): Declare.
5219 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5220 (lower_omp_master): Likewise.
5221 (lower_omp_ordered): Likewise.
5222 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5223 (move_stmt_r): Use it to remap labels. Handle recursion vs
5224 remap_decls_p properly.
5225 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5226 (find_outermost_region_in_block): New.
5227 (new_label_mapper): New.
5228 (move_sese_region_to_fn): Copy eh information to the new function
5230 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5232 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5235 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5237 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5238 into shared libraries.
5240 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5242 * doc/md.texi: Refer to i386/constraints.md instead of
5244 * config/i386/constraints.md: New file, extracted from...
5245 * config/i386/predicates.md: ...here.
5246 * config/i386/i386.md: Include constraints.md.
5248 2006-03-21 Jason Merrill <jason@redhat.com>
5250 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5253 * expr.c (init_block_move_fn): Force default visibility.
5254 (init_block_clear_fn): Likewise.
5255 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5256 * targhooks.c (default_external_stack_protect_fail): Likewise.
5258 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5260 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5261 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5262 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5263 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5264 (loadgp): Use mips_current_loadgp_style.
5265 (loadgp_noshared): New pattern.
5266 (sibcall_internal): Use MIPS_CALL.
5267 (sibcall_value_internal): Likewise.
5268 (sibcall_value_multiple_internal): Likewise.
5269 (call_internal): Likewise.
5270 (call_value_internal): Likewise.
5271 (call_value_multiple_internal): Likewise.
5272 (call_split): Use MIPS_CALL and add an 'S' constraint.
5273 (call_value_split): Likewise.
5274 (call_value_multiple_split): Likewise.
5275 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5276 (-mshared): New option.
5277 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5278 (mips_current_loadgp_style): Declare.
5279 * config/mips/mips.c (mips_classify_symbol): Avoid using
5280 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5281 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5282 TARGET_ABSOLUTE_ABICALLS.
5283 (override_options): Adjust comments. Improve the warning that is
5284 issued when -mabicalls and -G are used together.
5285 (mips_file_start): Remove comment.
5286 (mips_current_loadgp_style): New function.
5287 (mips_gnu_local_gp): New variable.
5288 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5290 (mips_output_function_prologue): Use mips_current_laodgp_style.
5291 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5292 the cprestore instruction.
5293 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5294 live for TARGET_ABSOLUTE_ABICALLS.
5295 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5296 (ASM_SPEC): Pass down -mshared and -mno-shared.
5297 (MIPS_CALL): New macro.
5298 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5300 * doc/invoke.texi (-mabicalls): Update documentation.
5301 (-mshared): Document.
5303 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5305 * config/ia64/unwind-hpux.c: New file.
5306 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5308 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5311 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5313 2006-03-21 Jeff Law <law@redhat.com>
5315 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5316 type conversions of a VR_VARYING source to a wider type.
5318 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5320 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5321 tm_file on Solaris 10 and later.
5322 (sparc64-*-solaris2*): Likewise.
5323 (sparc-*-solaris2*): Likewise.
5324 * config/sol26.h: Rename to config/sol2-6.h.
5325 * config/sol2-10.h: New file.
5327 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5330 * tree-ssa-pre.c (create_component_ref_by_pieces):
5333 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5336 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5337 return it immediately.
5339 2006-03-21 Michael Matz <matz@suse.de>
5341 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5343 (remove_arc, add_arc): Update num_out_arcs member.
5344 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5346 (cache_presence): New function.
5347 (compare_states_for_equiv): New function.
5348 (state_is_differed): Don't take number of outargs, adjust callers.
5349 Use new invariant for speeding up.
5350 (init_equiv_class): Create initial classes based on sorted
5352 (partition_equiv_class): Don't track out_arcs_num.
5353 (evaluate_equiv_classes): Call cache_presence on all states and
5356 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5358 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5359 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5360 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5361 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5363 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5364 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5365 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5366 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5367 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5369 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5370 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5371 (REGNO_REG_CLASS): ARGP is in PREGS.
5372 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5374 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5375 to deal with those addresses.
5376 * addresses.h: New file.
5377 * caller-save.c: Include "addresses.h".
5378 (init_caller_save): Use new base_reg_class function.
5379 * rtl-factoring.c: Include "addresses.h".
5380 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5381 * recog.c: Include "addresses.h".
5382 (preprocess_constraints): Use new base_reg_class function.
5383 * regrename.c: Include "addresses.h".
5384 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5385 functions. Keep track of a new var INDEX_CODE to compute valid
5387 (replace_oldest_value_addr): Likewise.
5388 (replace_oldest_value_mem): Use base_reg_class.
5389 * reload.c: Include "addresses.h".
5390 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5391 (find_reloads): Use new base_reg_class function.
5392 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5393 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5394 all callers and prototype changed.
5395 * reload1.c: Include "addresses.h".
5396 (maybe_fix_stack_asms): Use base_reg_class.
5397 * regclass.c: Include "addresses.h".
5398 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5399 (init_reg_autoinc): Use new base_reg_class function.
5400 (record_reg_classes): Likewise.
5401 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5402 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5403 Use new args to compute necessary class.
5405 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5406 regrename.o, rtl-factoring.o): Update dependencies.
5407 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5408 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5409 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5410 REG_OK_FOR_INDEX_P): Delete documentation.
5412 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5414 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5415 from V7 to V9 for Solaris 7 and above.
5417 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5419 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5420 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5421 argument pointers may not alias any other storage.
5422 * common.opt: Define option -fargument-noalias-anything.
5423 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5424 alias semantics is specified by flag_argument_noalias > 2.
5426 2006-03-20 Jeff Law <law@redhat.com>
5428 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5429 (pass_phi_only_cprop): Declare.
5430 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5432 * tree-ssa-dom.c (degenerate_phi_result): New function.
5433 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5434 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5435 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5436 (eliminate_degenerate_phis): Likewise.
5437 (pass_phi_only_cprop): New pass descriptor.
5438 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5439 support code. Callers updated.
5440 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5441 (store_copy_prop): Likewise.
5442 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5444 2006-03-20 Jason Merrill <jason@redhat.com>
5447 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5448 (push_visibility, pop_visibility): Likewise.
5449 * c-pragma.h: Declare them.
5451 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5453 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5455 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5456 parameter and use get_ebb_head_tail.
5457 (sh_md_init_global): Adjust uses of find_regmode_weight.
5459 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5461 * function.h (struct function) <x_tail_recursion_reentry>:
5462 Rename to x_stack_check_probe_note.
5463 (tail_recursion_reentry): Rename to stack_check_probe_note.
5464 * function.c: Replace tail_recursion_reentry with
5465 stack_check_probe_note everywhere.
5466 (expand_function_start): Only emit a note for
5467 stack_check_probe_note with -fstack-protect.
5468 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5470 * emit-rtl.c (remove_unnecessary_notes): Remove.
5471 (pass_remove_unnecessary_notes): Remove.
5472 * rtl.h (remove_unnecessary_notes): Remove prototype.
5473 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5474 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5475 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5477 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5480 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5481 (valid_in_set): Handle ARRAY_REF.
5482 Change "if min_variant or VH" to asserts.
5483 (create_component_ref_by_pieces): Handle ARRAY_REF.
5484 (create_expression_by_pieces): Likewise.
5485 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5487 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5489 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5490 is operand of switch, not str[0].
5492 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5494 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5495 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5497 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5499 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5500 end of insn_extra_address_constraint declaration.
5502 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5504 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5505 (no-sum-in-toc): Same.
5506 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5508 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5509 NO_FP_IN_TOC for -fPIC instead of mask.
5511 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5512 (BOOT_LDFLAGS): Delete.
5514 * config/rs6000/t-aix52: Same.
5516 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5517 (stmsi[345678]_power): New.
5519 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5521 * config/ia64/ia64.opt: Add empty line to end of file.
5523 2006-03-17 Richard Guenther <rguenther@suse.de>
5526 * builtins.c (get_pointer_alignment): For component style references
5527 adjust alignment to the component type alignment. Make sure
5528 to adjust alignment for component access of constants.
5530 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5532 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5535 2006-03-17 Paul Brook <paul@codesourcery.com>
5537 * doc/install.texi: Docuemnt --with-mode.
5538 * config.gcc: Add --with-mode for arm*-*-*.
5539 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5541 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5543 * sh.c (max_labelno_before_reorg): New variable.
5544 (sh_reorg): Initialize it.
5545 (find_barrier): Check max_labelno_before_reorg before using
5546 label_to_alignment. Take length of explicit alignment insns
5547 into account. When seeing a UNSPECV_CONST_END, return it.
5549 * sh.c (fixup_mova): Set mode of affected label to QImode.
5550 (untangle_mova): New function.
5551 (find_barrier): Use it. Check mode of label before decrementing
5553 (sh_reorg): Likewise.
5554 Set mode of all insns back to VOIDmode.
5556 * sh.c (MOVA_LABELREF): New macro.
5557 (mova_p, fixup_mova, sh_reorg): Use it.
5558 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5559 ADDR_DIFF_VEC matches mova.
5561 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5563 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5564 with ATTRIBUTE_UNUSED.
5566 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5568 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5569 pointer, instead of assuming it is possible to derive the
5570 correct args size from a call insn.
5572 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5574 * rtl.h (CONST_INT_P): Define.
5575 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5576 instead of GET_CODE(x) == CONST_INT.
5577 (vax_rtx_costs): Likewise.
5578 (vax_output_int_move): Likewise.
5579 (vax_output_int_add): Likewise.
5580 (legitimate_constant_address_p): Likewise.
5581 (index_term_p): Likewise.
5582 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5583 * config/vax/vax.md (and<mode>3): Likewise.
5584 (ashrsi3): Likewise.
5586 (movstricthi): Likewise.
5587 (movstrictqi): Likewise.
5588 (rotrsi3): Likewise.
5589 (five unnamed insns): Likewise.
5591 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5593 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5594 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5595 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5596 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5597 Pass to ASM_OUTPUT_DWARF_OFFSET.
5598 * dwarf2out.c (debug_frame_section): New.
5599 (output_call_frame_info): Use debug_frame_section. Pass it to
5600 dw2_asm_output_offset.
5601 (output_die): Pass appropriate section to dw2_asm_output_offset.
5602 (output_compilation_unit_header): Likewise.
5603 (output_pubnames): Likewise.
5604 (output_aranges): Likewise.
5605 (enum dw_val_class): Break dw_val_class_lbl_offset into
5606 dw_val_class_lineptr and dw_val_class_macptr.
5607 (add_AT_lbl_offset): Delete.
5608 (add_AT_lineptr): New.
5609 (add_AT_macptr): New.
5610 (AT_lbl): Expect a lineptr or macptr.
5611 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5612 (attr_checksum): Likewise.
5613 (same_dw_val_p): Likewise.
5614 (size_of_die): Likewise.
5615 (value_format): Likewise.
5616 (output_die): Likewise.
5617 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5619 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5620 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5621 * config/darwin-protos.h (darwin_file_start): New.
5622 (darwin_asm_output_dwarf_offset): New.
5623 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5624 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5626 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5627 if not EH section; simplify.
5628 (darwin_file_start): New.
5629 (darwin_asm_output_dwarf_offset): New.
5630 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5632 (DEBUG_INFO_SECTION): Likewise.
5633 (DEBUG_ABBREV_SECTION): Likewise.
5634 (DEBUG_ARANGES_SECTION): Likewise.
5635 (DEBUG_MACINFO_SECTION): Likewise.
5636 (DEBUG_LINE_SECTION): Likewise.
5637 (DEBUG_LOC_SECTION): Likewise.
5638 (DEBUG_PUBNAMES_SECTION): Likewise.
5639 (DEBUG_STR_SECTION): Likewise.
5640 (DEBUG_RANGES_SECTION): Likewise.
5641 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5642 (ASM_OUTPUT_DWARF_OFFSET): New.
5644 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5646 * config.gcc (tm_defines): Always add to previous value rather
5649 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5651 * config/mips/predicates.md (splittable_const_int_operand): New,
5652 split from move_operand.
5653 (splittable_symbolic_operand): New.
5654 (move_operand): Add commentary. Use splittable_const_int_operand.
5655 Inline mips_atomic_symbolic_constant_p.
5656 * config/mips/mips.md: Add combine splitters for handling moves
5657 of splittable_const_int_operands and splittable_symbolic_operands.
5658 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5659 (mips_split_symbol): Declare.
5660 (mips_move_integer): Declare.
5661 * config/mips/mips.c (mips_split_p): Make global.
5662 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5663 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5664 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5665 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5666 (mips_offset_within_object_p): Handle block symbols.
5667 (mips_atomic_symbolic_constant_p): Delete.
5668 (mips_cannot_force_const_mem): Return false for constants that
5669 mips_legitimize_move can handle.
5670 (mips_use_blocks_for_constant_p): New function.
5671 (mips_split_symbol): Make global.
5672 (mips_move_integer): Likewise. Add a temporary register argument.
5673 (mips_legitimize_const_move): Use splittable_const_int_operand and
5674 splittable_symbolic_operand.
5675 (mips_use_anchors_for_symbol_p): New function.
5676 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5677 (mips_split_p): Declare.
5679 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5681 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5682 (mips*-*-linux*): Likewise.
5684 2006-03-16 Roger Sayle <roger@eyesopen.com>
5685 Daniel Speyer <dspeyer@wam.umd.edu>
5688 * tree-dump.c (dump_real): New function.
5689 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5690 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5691 (tree-dump.o): Add $(REAL_H) to the dependencies.
5693 2006-03-16 Roger Sayle <roger@eyesopen.com>
5696 * real.c (real_from_string): If the mantissa is zero, don't bother
5697 parsing the exponent as the result should always be zero.
5699 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5701 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5705 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5706 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5707 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5708 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5709 ia64_sched_finish_global): New static functions to implement
5710 hooks from gcc_target.sched.
5711 (spec_check_no, max_uid, pending_data_specs): New static variables.
5712 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5713 ia64_spec_check_src_p): New static functions.
5714 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5715 (TARGET_SCHED_ADJUST_COST): Removed.
5716 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5717 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5718 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5719 TARGET_SCHED_GEN_CHECK,
5720 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5721 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5722 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5723 Fixed to handle speculation checks.
5724 (rtx_needs_barrier): Fixed to handle speculative loads and
5726 (ia64_variable_issue): Added code to count speculative loads and their
5728 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5730 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5732 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5734 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5735 (ia64_reorg): Reset stops_p to NULL after it is freed.
5736 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5737 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5738 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5740 (data_speculative, control_speculative, check_load): New attributes.
5741 (mov<mode>_advanced, mov<mode>_speculative,
5742 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5743 zero_extend<mode>di2_speculative,
5744 zero_extend<mode>di2_speculative_advanced): New patterns for
5745 data and control speculative loads.
5746 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5748 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5749 New pattern for data and control speculation checks.
5750 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5751 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5752 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5753 Auxiliary definitions for the patterns.
5754 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5755 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5757 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5759 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5760 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5761 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5762 New resource constraints.
5763 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5765 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5766 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5767 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5768 msched-in-control-spec, msched-ldc, msched-control-ldc,
5769 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5770 msched-prefer-non-control-spec-insns,
5771 msched-count-spec-in-critical-path): New flags to tune speculative
5773 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5774 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5775 msched-in-control-spec, msched-ldc, msched-control-ldc,
5776 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5777 msched-prefer-non-control-spec-insns,
5778 msched-count-spec-in-critical-path): Document new flags.
5780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5782 * target.h (struct spec_info_def): New opaque declaration.
5783 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5784 speculate_insn, needs_block_p, gen_check,
5785 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5786 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5787 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5788 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5789 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5790 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5792 (TARGET_SCHED): Use new macros.
5793 * rtl.h (copy_DEPS_LIST_list): New prototype.
5794 * sched-int.h (struct sched_info): Change signature of new_ready field,
5795 adjust all initializations. New fields: add_remove_insn,
5796 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5797 region_head_or_leaf_p.
5798 (struct spec_info_def): New structure declaration.
5799 (spec_info_t): New typedef.
5800 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5801 recovery_block, orig_pat.
5802 (glat_start, glat_end): New variables declaraions.
5803 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5805 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5806 DETACH_LIFE_INFO, USE_GLAT.
5807 (enum SPEC_SCHED_FLAGS): New enumeration.
5808 (NOTE_NOTE_BB_P): New macro.
5809 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5810 attach_life_info, debug_spec_status, check_reg_live): New functions.
5811 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5812 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5814 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5815 * ddg.c (get_block_head_tail): Adjust all uses.
5816 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5817 (sms_sched_info): Initialize new fields.
5818 (contributes_to_priority): Removed.
5819 * haifa-sched.c (params.h): New include.
5820 (get_block_head_tail): Adjust all uses.
5821 (ISSUE_POINTS): New macro.
5822 (glat_start, glat_end): New global variables.
5823 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5824 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5825 old_last_basic_block, before_recovery, current_sched_info_var,
5826 rgn_n_insns, luid): New static variables.
5827 (insn_cost1): New function. Move logic from insn_cost to here.
5828 (find_insn_reg_weight1): New function. Move logic from
5829 find_insn_reg_weight to here.
5830 (reemit_notes, move_insn, max_issue): Change signature.
5831 (move_insn1): Removed.
5832 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5833 extend_bb): New static functions to support extension of scheduler's
5835 (generate_recovery_code, process_insn_depend_be_in_spec,
5836 begin_speculative_block, add_to_speculative_block,
5837 init_before_recovery, create_recovery_block, create_check_block_twin,
5838 fix_recovery_deps): New static functions to support
5839 generation of recovery code.
5840 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5841 restore_bb_notes, move_block_after_check, move_succs): New static
5842 functions to support ebb scheduling.
5843 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5844 functions to support handling of register live information.
5845 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5846 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5847 add_jump_dependencies): New static functions.
5848 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5849 consistancy checking.
5850 (debug_spec_status): New function to call from debugger.
5851 (priority): Added code to handle speculation checks.
5852 (rank_for_schedule): Added code to distinguish speculative instructions.
5853 (schedule_insn): Added code to handle speculation checks.
5854 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5855 Fixed to handle ebbs.
5856 (move_insn): Added code to handle ebb scheduling.
5857 (max_issue): Added code to use ISSUE_POINTS of instructions.
5858 (choose_ready): Added code to choose between speculative and
5859 non-speculative instructions.
5860 (schedule_block): Added code to handle ebb scheduling and scheduling of
5861 speculative instructions.
5862 (sched_init): Initialize new variables.
5863 (sched_finish): Free new variables. Print statistics.
5864 (try_ready): Added code to handle speculative instructions.
5865 * lists.c (copy_DEPS_LIST_list): New function.
5866 * sched-deps.c (extend_dependency_caches): New function. Move logic
5867 from create_dependency_caches to here.
5868 (get_dep_weak, ds_merge): Make global.
5869 * genattr.c (main): Code to output prototype for
5870 dfa_clear_single_insn_cache.
5871 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5872 (output_dfa_clean_insn_cache_func): Code to output
5873 dfa_clear_single_insn_cache function.
5874 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5876 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5878 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5879 New static variables.
5880 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5881 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5883 (ebb_sched_info): Initialize new fields.
5884 (get_block_head_tail): Adjust all uses.
5885 (compute_jump_reg_dependencies): Fixed to use glat_start.
5886 (schedule_ebb): Code to remove unreachable last block.
5887 (schedule_ebbs): Added code to update register live information.
5888 * sched-rgn.c (region_sched_info): Initialize new fields.
5889 (get_block_head_tail): Adjust all uses.
5890 (last_was_jump): Removed. Adjust users.
5891 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5892 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5893 Implement new hooks.
5894 (check_dead_notes1): New static function.
5895 (struct region): New fields: dont_calc_deps, has_real_ebb.
5896 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5897 (BB_TO_BLOCK): Fixed to handle EBBs.
5898 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5899 (ebb_head): New static variable.
5900 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5901 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5903 (compute_dom_prob_ps): New assertion.
5904 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5905 global_live_at_start.
5906 (init_ready_list): New assertions.
5907 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5908 (new_ready): Add support for BEGIN_CONTROL speculation.
5909 (schedule_insns): Fixed code that updates register live information
5911 (schedule_region): Fixed to handle EBBs.
5912 (init_regions): Use extend_regions and check_dead_notes1.
5913 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5914 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5915 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5916 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5917 TARGET_SCHED_GEN_CHECK,
5918 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5919 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5920 * doc/invoke.texi (max-sched-insn-conflict-delay,
5921 sched-spec-prob-cutoff): Document.
5923 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5925 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5926 inter_tick, queue_index.
5927 (struct sched_info): Change signature of init_ready_list field.
5928 Adjust all initializations.
5929 (RESOLVED_DEPS): New access macro.
5930 (ready_add): Remove prototype.
5931 (try_ready): Add prototype.
5932 * sched-rgn.c (init_ready_list): Use try_ready.
5933 (schedule_region): Initialize
5934 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5935 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5936 (init_ready_list): Use try_ready.
5937 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5938 * lists.c (remove_list_elem): Remove `static'.
5939 (remove_free_INSN_LIST_elem): New function.
5940 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5941 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5942 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5944 (readyp): New variable.
5945 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5946 change_queue_index, resolve_dep): New static functions.
5947 (try_ready): New function. Adjust callers in sched-rgn.c and
5948 sched-ebb.c to use it instead of ready_add.
5949 (clock_var): Move at the begining of file.
5950 (rank_for_schedule): Fix typo.
5951 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5952 (ready_lastpos): Enforce assertion.
5953 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5955 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5956 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5957 (queue_to_ready): Use free_INSN_LIST_list.
5958 (early_queue_to_ready): Fix typo.
5959 (schedule_block): Init readyp. Move init_ready_list call after the
5960 initialization of clock_var. Fix error in rejecting insn by
5961 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5962 that previously corrected INSN_TICKs. Add code for handling
5964 (set_priorities): Fix typo.
5965 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5966 Clarify comment and code that keeps current_sched_info->next_tail
5969 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5971 * sched-rgn.c (extend_rgns): New static function.
5972 (find_rgns): Use it.
5973 (gather_region_statistics, print_region_statistics): New static
5975 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5976 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5978 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5979 Andrey Belevantsev <abel@ispras.ru>
5981 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5982 * lists.c (unused_deps_list): New variable.
5983 (free_list): Add assertions to verify the proper distinguishing
5984 between INSN_LISTs and DEPS_LISTs.
5985 (find_list_elem, remove_list_elem, remove_list_node): New static
5987 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5988 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5989 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5990 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5992 (free_INSN_LIST_node): Likewise.
5993 * modulo-sched.c (current_sched_info): Initialize flags field.
5994 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5995 * rtl.def (DEPS_LIST): Define.
5996 * rtl.h: Declare new functions from lists.c.
5997 * sched-deps.c (spec_dependency_cache): New static variable.
5998 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5999 (add_dependence): Change return type to void. Move the logic to ...
6000 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6001 (delete_all_dependences): Add comment about forward_dependency_cache.
6002 Handle spec_dependency_cache. Handle DEPS_LISTs.
6003 (fixup_sched_groups): Clarify the change of priority of output
6004 and anti dependencies.
6005 (sched_analyze_2): Adjust add_dependence calls to create data
6006 speculative dependence.
6007 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6008 Adjust all callers. Handle DEPS_LISTS.
6009 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6010 presence of speculation.
6011 (init_dependency_caches, free_dependency_caches):
6012 Handle spec_dependency_cache.
6013 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6014 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6015 New static functions.
6016 (add_or_update_back_dep, add_or_update_back_forw_dep,
6017 add_back_forw_dep, delete_back_forw_dep): New functions.
6018 * sched-int.h (ds_t, dw_t): New typedefs.
6019 (struct sched_info): Add new field flags.
6020 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6021 Prototype new sched-deps.c functions.
6022 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6023 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6024 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6025 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6026 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6027 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6029 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6031 * sched-rgn.c (current_sched_info): Initialize flags field.
6032 (schedule_insns): Initialize current_sched_info before the sched_init
6034 * sched-ebb.c (current_sched_info): Initialize flags field.
6035 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6036 Call add_or_update_back_dep instead of add_dependence.
6037 Create control speculative dependencies.
6038 (schedule_insns): Initialize current_sched_info before the sched_init
6041 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6043 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6045 (sh_fallback_frame_state): Likewise.
6047 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6049 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6050 Do switch on default_use_cxa_atexit.
6051 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6052 * config/darwin-crt3.o: New.
6053 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6054 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6055 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6057 * config/rs6000/t-darwin: Move crt2.o building to here.
6058 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6059 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6062 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6064 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6065 from '! xxx' to '!xxx' for coding-style conformance.
6066 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6067 (EXTRA_CONSTRAINT): Likewise.
6068 * config/vax/vax.md (four unnamed insns): Likewise.
6070 2006-03-15 Paul Brook <paul@codesourcery.com>
6072 * config/arm/arm.c (minipool_pad): New.
6073 (add_minipool_forward_ref): Include pool alignment padding in address
6075 (push_minipool_fix): Set minipool_pad.
6076 (minipool_pad): Ditto.
6078 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6080 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6081 instead of GET_CODE() == MEM and REG_P() instead of
6083 (print_operand_address): Likewise.
6084 (vax_address_cost): Likewise.
6085 (vax_rtx_costs): Likewise.
6086 (vax_notice_update_cc): Likewise.
6087 (vax_output_int_add): Likewise.
6088 (INDEX_REGISTER_P): Likewise.
6089 (BASE_REGISTER_P): Likewise.
6090 (nonindexed_address_p): Likewise.
6091 (vax_mode_dependent_address_p): Likewise.
6092 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6093 (PRINT_OPERAND): Likewise.
6094 * config/vax/vax.md (ashlsi3): Likewise.
6095 (ashlsi3): Likewise.
6096 (some more unnamed insns): Likewise.
6098 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6100 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6101 iterator-style macro.
6102 (mark_control_dependent_edges_necessary): Update the use of
6103 EXECUTE_IF_CONTROL_DEPENDENT.
6105 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6107 * config/sh/predicates.md (cache_address_operand): Special.
6108 (ua_address_operand): Likewise.
6110 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6112 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6114 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6116 2006-03-15 Andreas Schwab <schwab@suse.de>
6118 * gensupport.c (identify_predicable_attribute): Don't free p_false
6119 when it is still in use.
6121 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6123 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6124 the default setting here.
6126 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6128 * tree-pass.h (pass_cfg): Remove.
6129 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6130 * passes.c (pass_cfg): Don't run it.
6132 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6134 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6135 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6137 (stack_regs_mentioned): Update the uses of
6138 stack_regs_mentioned_data. Don't access the array beyond its
6140 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6141 Don't include gt-reg-stack.h.
6143 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6144 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6146 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6149 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6152 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6154 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6156 2006-03-14 Richard Guenther <rguenther@suse.de>
6158 PR tree-optimization/26672
6159 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6162 2006-03-14 Richard Guenther <rguenther@suse.de>
6164 PR tree-optimization/26667
6165 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6166 node for the callees. Always allow inlining if it will shrink
6169 2006-03-14 Richard Guenther <rguenther@suse.de>
6172 * builtins.c (get_pointer_alignment): Prefer alignment
6173 information from decls over that from types.
6175 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6178 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6180 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6182 * config/rs6000/rs6000.opt (mdlmzb): New option.
6183 (msched-prolog, msched-epilog): Use Var not Mask.
6184 * doc/invoke.texi (-mdlmzb): Document.
6185 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6187 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6188 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6190 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6192 PR rtl-optimization/25739
6193 * bt-load.c (augment_live_range): Free tos pointer.
6195 * gensupport.c (identify_predicable_attribute): Free
6197 * gcov.c (create_file_names): Free name pointer.
6199 2006-03-13 Roger Sayle <roger@eyesopen.com>
6202 * stmt.c (emit_case_nodes): Handle the case where the index is a
6203 CONST_INT, where the comparison mode is specified by the index type.
6205 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6207 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6210 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6212 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6213 (*branch_fp_inverted): Likewise.
6215 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6218 * omp-low.c (expand_omp_for_generic): Mark istart0
6219 and iend0 as addressable.
6221 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6223 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6225 2006-03-13 Jeff Law <law@redhat.com>
6227 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6228 virtual operands are interesting.
6229 (vrp_visit_stmt): Corresponding changes.
6231 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6233 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6235 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6236 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6237 * config/bfin/crti.S: Use it instead of __PIC__.
6238 * config/bfin/crtn.S: Likewise.
6240 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6241 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6243 Lose 'G' modifier for call operand.
6244 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6245 recognize 'G' modifier.
6247 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6250 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6251 * stmt.c (expand_case): Likewise.
6253 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6255 PR rtl-optimization/26254
6256 * loop-invariant.c (seq_insns_valid_p): New function.
6257 (move_invariant_reg): Only emit new code if it is valid.
6259 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6261 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6263 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6264 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6265 (commit_one_edge_insertion): Do not look for loop notes.
6267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6269 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6270 flag_test_coverage out of loop.
6272 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6274 * final.c (shorten_branches): Remove outdated comment, and turn
6275 the if branch that guards it to continue.
6277 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6279 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6280 * cfgloop.h (struct loop): Remove unused fields.
6282 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6284 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6285 (-dL, -fdump-rtl-loop2): Update the dump file names
6287 * doc/invoke.texi: Update dump file names.
6289 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6291 * predict.c (estimate_probability): Remove.
6292 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6293 * basic-block.h (estimate_probability): Remove prototype.
6294 * passes.c (finish_optimization_passes): Dump branch prediction or
6295 profiling heuristics to the .profile tree dump.
6296 (init_optimization_passes): Unqueue pass_branch_prob.
6298 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6300 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6302 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6303 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6305 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6307 * function.h (frame_offset_overflow): Declare.
6308 * function.c (frame_offset_overflow): New function.
6309 (assign_stack_local_1): Call it to detect that the offset overflows.
6310 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6312 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6314 * config/sh/sh.c: Include alloc-pool.h.
6315 (label_ref_list_pool): New alloc pool.
6316 (label_ref_list_t): New type for lists of labels.
6317 (struct pool_node): Make wend a label_ref_list_t.
6318 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6320 (dump_table): Likewise.
6321 (sh_reorg): Set up the alloc pool before using add_constant and
6322 dump_table, and destroy it when finishing.
6324 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6326 * config/mips/mips.c: Remove redundant comment.
6328 2006-03-10 Jason Merrill <jason@redhat.com>
6331 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6332 the target was declared 'register'.
6334 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6336 * genpreds.c (write_insn_constraint_len): Change definition of
6337 insn_constraint_len to return size_t to match the declaration.
6339 2006-03-10 DJ Delorie <dj@redhat.com>
6341 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6343 (m32c_expand_insv): Fix test for an AND mask.
6345 2006-03-10 Richard Guenther <rguenther@suse.de>
6348 * builtins.c (get_pointer_alignment): Handle component
6349 references for field alignment.
6351 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6353 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6354 when building with libgloss.
6355 (sh*elf): Implement --without-fp option.
6356 (sh64-superh-linux*): Don't multilib.
6358 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6360 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6362 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6364 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6365 Set it when one of the replacement functions returned true.
6366 Return TODO_cleanup_cfg if cfgchanged is true.
6367 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6369 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6371 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6372 instead of gen_lowpart.
6374 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6376 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6378 (mips_output_order_conditional_branch): Declare.
6379 * config/mips/mips.h (MIPS_BRANCH): New macro.
6380 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6381 for the comparison. Use gen_condjump.
6382 (mips_output_conditional_branch): Rework interface to take the
6383 asm templates for a direct branch and the inverse of a direct branch.
6384 (mips_output_order_conditional_branch): New function.
6385 (mips_builtin_branch_and_move): New function.
6386 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6387 branch condition. Use gen_single_cc as the condition for
6388 __builtin_mips_upper_* or __builtin_mips_lower_*.
6389 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6390 Use VOIDmode for the branch condition.
6391 * config/mips/predicates.md (order_operator): New predicate.
6392 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6393 (branch_fp): Rename to...
6394 (*branch_fp): ...this. Remove mode from comparison operator.
6395 Use new mips_output_conditional_branch interface.
6396 (branch_fp_inverted): Rename to...
6397 (*branch_fp_inverted): ...this and update as for *branch_fp.
6398 (*branch_zero<mode>): Rename to...
6399 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6400 Use mips_output_order_conditional_branch. Only accept ordered
6402 (*branch_zero<mode>_inverted): Rename to...
6403 (*branch_order<mode>_inverted): ...this and update as for
6404 *branch_order<mode>.
6405 (*branch_equality<mode>): Accept zero as the second operand to
6406 the equality operator. Use the new mips_output_conditional_branch
6408 (*branch_equality<mode>_inverted): Likewise.
6409 (condjump): New expander.
6410 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6412 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6413 (bc1any2t, bc1any2f): Likewise.
6414 (single_cc): New expander.
6415 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6417 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6419 * doc/md.texi: Update documentation of MIPS constraints.
6420 * config/mips/constraints.md: New file.
6421 * config/mips/mips.md: Include it.
6422 * config/mips/mips.c (mips_char_to_class): Delete.
6423 (override_options): Don't initialize mips_char_to_class.
6424 * config/mips/mips.h (mips_char_to_class): Delete.
6425 (REG_CLASS_FROM_LETTER): Delete.
6426 (CONST_OK_FOR_LETTER_P): Delete.
6427 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6428 (EXTRA_CONSTRAINT_Y): Delete.
6429 (EXTRA_CONSTRAINT_STR): Delete.
6430 (CONSTRAINT_LEN): Delete.
6431 (EXTRA_MEMORY_CONSTRAINT): Delete.
6433 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6435 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6436 original fn's eh regions.
6438 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6440 * fold-const.c (build_range_check): Make sure to use a valid type to
6441 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6444 (range_predecessor): New static function.
6445 (range_successor): Likewise.
6446 (merge_ranges): Use them to compute predecessors and successors of
6449 2006-03-09 Roger Sayle <roger@eyesopen.com>
6452 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6453 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6455 2006-03-08 DJ Delorie <dj@redhat.com>
6457 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6458 (addpsi3): Expand to include memory operands. Remove
6459 reload-specific splits.
6460 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6461 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6462 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6463 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6464 (shift1_qi, shift1_hi, insv): New.
6465 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6466 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6467 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6469 * config/m32c/m32c-protos.h: Update as needed.
6470 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6471 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6472 Fail for unrecognized R* constraints.
6473 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6474 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6475 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6477 (m32c_init_libfuncs): New.
6478 (m32c_legitimate_address_p): Add debug wrapper.
6479 (m32c_rtx_costs): New.
6480 (m32c_address_cost): New.
6481 (conversions): Add 'B' prefix.
6482 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6483 operands, or word regnames for QI operands. 'B' prints bit
6485 (m32c_expand_setmemhi): New.
6486 (m32c_expand_movmemhi): New.
6487 (m32c_expand_movstr): New.
6488 (m32c_expand_cmpstr): New.
6489 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6490 (m32c_expand_neg_mulpsi3): Handle non-ints.
6491 (m32c_cmp_flg_0): New.
6492 (m32c_expand_movcc): New.
6493 (m32c_expand_insv): New.
6494 (m32c_scc_pattern): New.
6495 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6496 a0/a1 out of SIregs.
6497 (STORE_FLAG_VALUE): New.
6498 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6501 * config/m32c/mov.md: Make constraints more liberal.
6502 (zero_extendqihi2): Optimize r0/r1 case.
6503 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6504 * config/m32c/predicates.md (m32c_any_operand): New.
6505 (m32c_nonimmediate_operand): New.
6506 (m32c_hl_operand): New.
6507 (m32c_r3_operand): New.
6510 (memsym_operand): New.
6511 (memimmed_operand): New.
6512 (a_qi_operand): New.
6513 (m32c_eqne_operator): New.
6514 (m32c_1bit8_operand): New.
6515 (m32c_1bit16_operand): New.
6516 (m32c_1mask8_operand): New.
6517 (m32c_1mask16_operand): New.
6518 * config/m32c/blkmov.md: New file.
6519 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6521 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6523 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6524 unsigned to fix signed/unsigned comparison issue in
6525 DWARF2_FRAME_REG_OUT.
6526 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6527 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6529 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6530 of ptr into the ENABLE_CHECKING section.
6532 2006-03-08 Jeff Law <law@redhat.com>
6534 * tree-vrp.c (infer_value_range): Only count pointer uses
6535 and dereferences if -fdelete-null-pointer-checks is enabled.
6537 * tree-vrp.c (find_assert_locations): Infer value ranges for
6538 single use pointers, but do not create ASSERT_EXPRs for them.
6539 When a non-null range is inferred for a pointer, backwards
6540 propagate that range to other equivalent pointers through the
6543 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6546 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6547 language hook targets.
6548 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6549 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6550 if language hook targets were missing.
6552 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6554 * tree-ssa-opfinalize.h: Removed.
6555 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6557 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6558 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6559 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6560 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6561 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6562 finalize_ssa_v_must_def_ops): New.
6564 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6566 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6569 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6571 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6573 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6574 addresses with offsets; reorganize.
6576 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6577 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6578 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6580 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6583 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6585 2006-03-08 Ben Elliston <bje@au.ibm.com>
6587 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6589 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6592 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6595 2006-03-07 Richard Guenther <rguenther@suse.de>
6597 PR tree-optimization/26587
6598 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6600 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6602 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6604 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6606 * hooks.c (hook_bool_mode_rtx_true): New function.
6607 * hooks.h (hook_bool_mode_rtx_true): Declare.
6608 * toplev.c (compile_file): Call output_shared_constant_pool.
6609 * varasm.c (shared_constant_pool): New variable.
6610 (assemble_start_function, assemble_end_function): Remove arguments
6611 from call to output_constant_pool.
6612 (create_constant_pool): New function, split out from...
6613 (init_varasm_status): ...here.
6614 (force_const_mem): Choose between the shared and per-function constant
6615 pools. Set current_function_uses_const_pool when reusing old entries
6616 as well as when creating new ones.
6617 (mark_constant): Ignore data argument.
6618 (mark_constants): Remove pool argument.
6619 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6620 to decide whether the function uses a constant pool.
6621 (output_constant_pool_contents): New function, split out from...
6622 (output_constant_pool): ...here.
6623 (output_shared_constant_pool): New function.
6624 (init_varasm_once): Initialize shared_constant_pool.
6625 * output.h (output_constant_pool): Delete.
6626 (output_shared_constant_pool): Declare.
6627 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6628 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6630 2006-03-06 Nick Clifton <nickc@redhat.com>
6632 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6633 flag_strength_reduce.
6635 2006-03-06 Ben Elliston <bje@au.ibm.com>
6637 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6638 x86_64-*-linux* configurations.
6640 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6641 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6643 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6645 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6647 * basic-block.h: Remove the extern for
6648 rediscover_loops_after_threading.
6650 * cfgloop.c (cancel_loop): Make it static.
6651 * cfgloop.h: Remove the prototype for cancel_loop.
6653 * flow.c (recompute_reg_usage): Make it static.
6654 * rtl.h: Remove the prototype for recompute_reg_usage.
6656 * function.c (use_return_register): Make it static.
6657 * function.h: Remove the prototype.
6659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6661 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6663 * recog.h: Remove the prototype for
6664 validate_change_maybe_volatile.
6666 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6668 * rtlanal.c (replace_reg): Remove.
6669 * rtl.h: Remove the prototype for replace_reg.
6671 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6673 * regclass.c (reg_scan_update): Remove.
6674 (reg_scan_mark_refs): Remove the last argument.
6675 * rtl.h: Remove the prototype for reg_scan_update.
6677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6679 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6680 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6681 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6682 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6683 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6684 loop-invariant.c, omp-low.c, opts.c, passes.c,
6685 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6686 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6687 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6688 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6689 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6690 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6692 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6694 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6695 * dwarf2out.h: Remove the prototype for
6696 dwarf2out_add_library_unit_info.
6698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6700 * tree.c (add_var_to_bind_expr): Remove.
6701 * tree.h: Remove the prototype for add_var_to_bind_expr.
6703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6705 * regclass.c (n_non_fixed_regs): Remove.
6706 (init_reg_sets_1, globalize_reg): Remove all uses of
6708 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6710 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6712 * rtlanal.c (insns_safe_to_move_p): Remove.
6713 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6715 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6717 * expmed.c (expand_mult_add): Remove.
6718 * expr.h: Remove the prototype for expand_mult_add.
6720 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6722 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6723 and REG_SAVED_VAL_EXP constants.
6724 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6725 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6726 Handle regs stored by value.
6727 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6728 (execute_cfa_program): Handle DW_CFA_val_offset,
6729 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6730 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6731 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6732 (uw_install_context_1): Handle target regs stored by value.
6734 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6736 * tree-sra.c (tree_sra): Return todoflags;
6737 (generate_one_element): Set TODO_update_smt_usage if needed.
6738 (pass_sra): Remove TODO_update_smt_usage.
6739 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6741 (tree_ssa_forward_propagate_single_use_vars): Return
6742 TODO_update_smt_usage if we need to update SMT usage.
6743 (pass_forwprop): Remove TODO_update_smt_usage.
6745 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6747 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6748 (correct_use_link): Remove reference to get_stmt_operands.
6749 (update_stmt_operands): Likewise.
6750 (get_modify_expr_operands): New function factored out of
6751 parse_ssa_operands and get_expr_operands.
6752 Try to create V_MUST_DEFs for LHS by default.
6753 (get_expr_operands) <case MODIFY_EXPR>: Call
6754 get_modify_expr_operands.
6755 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6756 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6757 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6758 get_modify_expr_operands.
6760 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6762 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6763 * tree-flow.h: Remove the prototype for
6764 referenced_var_lookup_if_exists.
6766 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6768 PR rtl-optimization/26345
6770 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6772 2006-03-03 Roger Sayle <roger@eyesopen.com>
6774 PR tree-optimization/26524
6775 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6776 fold_convert to create a constant of the appropriate type.
6778 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6780 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6781 SYMBOL_REF_IN_BLOCK_P.
6782 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6783 of SYMBOL_FLAG_IN_BLOCK.
6784 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6785 instead of SYMBOL_REF_IN_BLOCK_P.
6786 * explow.c (use_anchored_address): Likewise.
6787 * rtl.c (rtx_size): Likewise.
6788 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6789 instead of SYMBOL_FLAG_IN_BLOCK.
6790 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6791 SYMBOL_REF_IN_BLOCK_P.
6792 (assemble_variable): Likewise.
6793 (output_constant_def_contents): Likewise.
6794 (output_constant_pool): Likewise.
6795 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6796 instead of SYMBOL_FLAG_IN_BLOCK.
6797 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6798 SYMBOL_REF_IN_BLOCK_P.
6799 (SYMBOL_REF_BLOCK): Likewise.
6800 (SYMBOL_REF_OFFSET): Likewise.
6801 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6802 SYMBOL_REF_IN_BLOCK_P.
6803 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6804 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6805 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6806 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6808 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6810 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6812 2006-03-02 Roger Sayle <roger@eyesopen.com>
6814 * simplify-rtx.c (simplify_unary_operation): When simplifying
6815 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6816 that we perform the right shift in the appropriate mode, and
6817 then extend or truncate the result to requested mode.
6819 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6821 * gengtype.c (main): Handle double_int type.
6822 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6823 * double-int.c: New file.
6824 * double-int.h: New file.
6825 * system.h: Include doubleint.h.
6826 * Makefile.in (SYSTEM_H): Include double-int.h.
6827 (double-int.o): Add.
6829 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6832 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6835 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6837 * tree-vrp.c (remove_range_assertions): Do not update statements
6840 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6842 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6844 * gcse.c (rest_of_handle_gcse): Ditto.
6845 * except.c (gate_handle_eh): Ditto.
6846 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6847 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6849 2006-03-02 Eric Christopher <echristo@apple.com>
6851 * config/i386/i386.c (machopic_output_stub): Add indirection to
6854 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6858 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6860 Sun Niagara specific optimizations.
6861 * config.gcc: Recognize niagara as target.
6862 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6863 (TARGET_CPU_niagara): Define.
6864 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6865 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6866 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6867 (ASM_CPU_SPEC): Likewise.
6868 (PROCESSOR_NIAGARA): New enum entry.
6869 (REGISTER_MOVE_COST): Handle Niagara.
6870 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6871 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6872 (sparc_override_options): Recognize "niagara", set appropriate
6873 default MASK_* values for it, and align functions to 32-bytes
6874 by default just like ULTRASPARC/ULTRASPARC3.
6875 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6876 (sparc64_initialize_trampoline): Likewise.
6877 (sparc_use_sched_lookahead): Use zero for niagara.
6878 (sparc_issue_rate): Use one for niagara.
6879 * config/sparc/niagara.md: New file.
6880 * config/sparc/sparc.md: Include it.
6881 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6882 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6883 when default cpu is niagara.
6884 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6885 (ASM_CPU_SPEC): Likewise.
6886 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6887 when default cpu is niagara.
6888 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6889 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6890 just like v9/ultrasparc/ultrasparc3.
6891 * doc/invoke.texi: Add documentation for "niagara" and improve
6892 existing documentation for ultrasparc variants.
6894 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6896 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6898 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6900 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6901 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6902 and say that only one is needed.
6903 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6904 * target.h (have_switchable_bss_sections): New hook.
6905 * explow.c (use_anchored_address): Check that the symbol is in a block.
6906 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6907 (bss_noswitch_section): New variables.
6908 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6909 (get_noswitch_section): New function.
6910 (get_block_for_section): Allow SECT to be null.
6911 (unlikely_text_section_p): Use SECTION_STYLE.
6912 (bss_initializer_p): New function.
6913 (get_variable_section): Move earlier in file. Take a new argument,
6914 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6915 Return one of the new *_sections in such cases.
6916 (get_block_for_decl): New function, extracting some logic from
6917 use_blocks_for_decl_p.
6918 (change_symbol_section): Remove in favor of...
6919 (change_symbol_block): ...this new function.
6920 (use_blocks_for_decl_p): Remove checks now performed by
6922 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6923 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6924 (emit_local, emit_bss, emit_common): ...these new functions.
6925 Return true if the alignment was honored.
6926 (emit_tls_common): New function.
6927 (asm_emit_uninitialised): Delete.
6928 (assemble_variable_noswitch): New function, split out from...
6929 (assemble_variable): ...here. Don't make decisions about common
6930 variables here. Globalize all public decls that go into non-common
6931 sections. Check whether SYMBOL_REF_BLOCK is null.
6932 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6933 (output_constant_pool): Likewise.
6934 (init_varasm_once): Initialize the new section variables.
6935 (have_global_bss_p): New function.
6936 (categorize_decl_for_section): Use bss_initializer_p.
6937 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6938 (place_block_symbol): Assert that the symbol must be in a block.
6939 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6940 (TARGET_INITIALIZER): Include it.
6941 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6942 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6943 (SECTION_MACH_DEP): Bump by two.
6944 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6945 (unnamed_section): Mention SECTION_UNNAMED in comment.
6946 (named_section): Likewise SECTION_NAMED.
6947 (noswitch_section_callback): New type.
6948 (noswitch_section): New structure.
6949 (section): Add a noswitch_section alternative.
6950 (SECTION_STYLE): New macro.
6951 (tls_comm_section, comm_section, lcomm_section): Declare.
6952 (bss_noswitch_section, have_global_bss_p): Declare.
6953 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6954 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6956 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6957 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6960 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6962 * tree-vrp.c (execute_vrp): Return value.
6963 * regrename.c (rest_of_handle_regrename): Ditto.
6964 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6965 * tree-complex.c (tree_lower_complex): Ditto.
6966 (tree_lower_complex_O0): Ditto.
6967 * tracer.c (rest_of_handle_tracer): Ditto.
6968 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6969 * postreload.c (rest_of_handle_postreload): Ditto.
6970 * tree-tailcall.c (execute_tail_recursion): Ditto.
6971 (execute_tail_calls): Ditto.
6972 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6973 * tree.h (init_function_for_compilation): Ditto.
6974 * ipa-cp.c (ipcp_driver): Ditto.
6975 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6976 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6977 * final.c (compute_alignments): Ditto.
6978 (rest_of_handle_final): Ditto.
6979 (rest_of_handle_shorten_branches): Ditto.
6980 (rest_of_clean_state): Ditto.
6981 * omp-low.c (execute_expand_omp): Ditto.
6982 (execute_lower_omp): Ditto.
6983 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6984 * ipa-reference.c (static_execute): Ditto.
6985 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6986 * reorg.c (rest_of_handle_delay_slots): Ditto.
6987 (rest_of_handle_machine_reorg): Ditto.
6988 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6989 * flow.c (recompute_reg_usage): Ditto.
6990 (rest_of_handle_remove_death_notes): Ditto.
6991 (rest_of_handle_life): Ditto.
6992 (rest_of_handle_flow2): Ditto.
6993 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6994 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6995 (do_ssa_store_ccp): Ditto.
6996 (execute_fold_all_builtins): Ditto.
6997 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6998 * modulo-sched.c (rest_of_handle_sms): Ditto.
6999 * ipa-pure-const.c (static_execute): Ditto.
7000 * cse.c (rest_of_handle_cse): Ditto.
7001 (rest_of_handle_cse2): Ditto.
7002 * web.c (rest_of_handle_web): Ditto.
7003 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7004 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7005 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7006 * tree-nrv.c (tree_nrv): Ditto.
7007 (execute_return_slot_opt): Ditto.
7008 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7009 (create_structure_vars): Ditto.
7010 * loop-init.c (rtl_loop_init): Ditto.
7011 (rtl_loop_done): Ditto.
7012 (rtl_move_loop_invariants): Ditto.
7013 (rtl_unswitch): Ditto.
7014 (rtl_unroll_and_peel_loops): Ditto.
7015 (rtl_doloop): Ditto.
7016 * gimple-low.c (lower_function_body): Ditto.
7017 (mark_used_blocks): Ditto.
7018 * tree-ssa-sink.c (execute_sink_code): Ditto.
7019 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7020 (cgraph_early_inlining): Ditto.
7021 * global.c (rest_of_handle_global_alloc): Ditto.
7022 * jump.c (cleanup_barriers): Ditto.
7023 (purge_line_number_notes): Ditto.
7024 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7025 (rest_of_handle_if_after_reload): Ditto.
7026 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7027 (tree_ssa_loop_im): Ditto.
7028 (tree_ssa_loop_unswitch): Ditto.
7029 (tree_vectorize): Ditto.
7030 (tree_linear_transform): Ditto.
7031 (tree_ssa_loop_ivcanon): Ditto.
7032 (tree_ssa_empty_loop): Ditto.
7033 (tree_ssa_loop_bounds): Ditto.
7034 (tree_complete_unroll): Ditto.
7035 (tree_ssa_loop_prefetch): Ditto.
7036 (tree_ssa_loop_ivopts): Ditto.
7037 (tree_ssa_loop_done): Ditto.
7038 * predict.c (tree_estimate_probability): Ditto.
7039 * recog.c (split_all_insns_noflow): Ditto.
7040 (rest_of_handle_peephole2): Ditto.
7041 (rest_of_handle_split_all_insns): Ditto.
7042 * tree-eh.c (lower_eh_constructs): Ditto.
7043 * regmove.c (rest_of_handle_regmove): Ditto.
7044 (rest_of_handle_stack_adjustments): Ditto.
7045 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7046 * function.c (instantiate_virtual_regs): Ditto.
7047 (init_function_for_compilation): Ditto.
7048 (rest_of_handle_check_leaf_regs): Ditto.
7049 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7050 (rest_of_handle_gcse): Ditto.
7051 * ipa-type-escape.c (type_escape_execute): Ditto.
7052 * alias.c (rest_of_handle_cfg): Ditto.
7053 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7054 * profile.c (rest_of_handle_branch_prob): Ditto.
7055 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7056 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7057 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7058 * tree-dfa.c (find_referenced_vars): Ditto.
7059 * except.c (set_nothrow_function_flags): Ditto.
7060 (convert_to_eh_region_ranges): Ditto.
7061 (rest_of_handle_eh): Ditto.
7062 * emit-rtl.c (unshare_all_rtl): Ditto.
7063 (remove_unnecessary_notes): Ditto.
7064 * except.h (set_nothrow_function_flags): Ditto.
7065 (convert_to_eh_region_ranges): Ditto.
7066 * cfgexpand.c (tree_expand_cfg): Ditto.
7067 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7068 * tree-ssa-pre.c (do_pre): Ditto.
7069 (execute_fre): Ditto.
7070 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7071 (rest_of_handle_jump2): Ditto.
7072 * tree-sra.c (tree_sra): Ditto.
7073 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7074 (execute_mudflap_function_decls): Ditto.
7075 * tree-ssa-copy.c (do_copy_prop): Ditto.
7076 (do_store_copy_prop): Ditto.
7077 * ipa-prop.h (ipcp_driver): Ditto.
7078 * cfglayout.c (insn_locators_initialize): Ditto.
7079 * tree-ssa-forwprop.c
7080 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7081 * cfglayout.h (insn_locators_initialize): Ditto.
7082 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7083 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7084 (execute_late_warn_uninitialized): Ditto.
7085 * rtl.h (cleanup_barriers): Ditto.
7086 (split_all_insns_noflow): Ditto.
7087 (purge_line_number_notes): Ditto.
7088 (unshare_all_rtl): Ditto.
7089 (remove_unnecessary_notes): Ditto.
7090 (recompute_reg_usage): Ditto.
7091 (variable_tracking_main): Ditto.
7092 * integrate.c (emit_initial_value_sets): Ditto.
7093 * integrate.h (emit_initial_value_sets): Ditto.
7094 * tree-optimize.c (execute_free_datastructures): Ditto
7095 (execute_free_cfg_annotations): Ditto.
7096 (execute_fixup_cfg): Ditto.
7097 (execute_cleanup_cfg_pre_ipa): Ditto.
7098 (execute_cleanup_cfg_post_optimizing): Ditto.
7099 (execute_init_datastructures): Ditto.
7100 * tree-object-size.c (compute_object_sizes): Ditto.
7101 * combine.c (rest_of_handle_combine): Ditto.
7102 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7103 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7104 (rest_of_handle_reorder_blocks): Ditto.
7105 (rest_of_handle_partition_blocks): Ditto.
7106 * var-tracking.c (variable_tracking_main): Ditto.
7107 * tree-profile.c (tree_profiling): Ditto.
7108 * tree-vect-generic.c (expand_vector_operations): Ditto.
7109 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7110 * sched-rgn.c (rest_of_handle_sched): Ditto.
7111 (rest_of_handle_sched2): Ditto.
7112 * basic-block.h (free_bb_insn): Ditto.
7113 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7114 * tree-cfg.c (execute_build_cfg): Ditto.
7115 (remove_useless_stmts): Ditto.
7116 (split_critical_edges): Ditto.
7117 (execute_warn_function_return): Ditto.
7118 (execute_warn_function_noreturn): Ditto.
7119 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7120 * cfgrtl.c (free_bb_for_insn): Ditto.
7121 * passes.c (execute_one_pass): Run additional
7122 todos returned by execute function.
7123 * tree-pass.h (struct tree_opt_pass): Make execute
7126 2006-03-02 Richard Guenther <rguenther@suse.de>
7128 * tree-ssa-alias.c (find_used_portions): Consider taking
7129 the address as making the variable not write-only.
7131 2006-03-02 Nick Clifton <nickc@redhat.com>
7133 * config.gcc (default_use_cxa_atexit): Extend the description of
7134 this configure variable. Set its default value to "yes" for
7135 Linux, NetBSD and ELF targets on the assumption that they will
7136 use C libraries with the __cxa_atexit function.
7138 2006-03-02 Ben Elliston <bje@au.ibm.com>
7140 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7141 parameter as unused to suppress a build warning.
7143 2006-03-02 Ben Elliston <bje@au.ibm.com>
7145 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7148 2006-03-01 Roger Sayle <roger@eyesopen.com>
7151 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7152 declared name, the weak reference name, and the typeof name.
7153 (__gthrw): Avoid expanding the declared name suffix.
7154 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7156 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7158 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7160 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7161 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7162 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7163 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7164 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7165 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7166 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7167 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7168 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7169 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7170 (DW_END_default, DW_END_big, DW_END_little): New.
7171 (DW_END_lo_user, DW_END_hi_user): Define.
7172 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7173 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7174 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7177 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7179 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7181 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7183 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7185 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7187 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7188 to 'symbol_mem_tag'.
7190 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7193 2006-03-01 Roger Sayle <roger@eyesopen.com>
7195 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7197 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7200 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7201 MACHO_DYNAMIC_NO_PIC_P.
7202 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7204 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7207 * config/darwin-protos.h (darwin_asm_output_anchor):
7209 * config/darwin-sections.def (cstring_section):
7210 Add SECTION_MERGE to the flags.
7211 (literal4_section): Likewise.
7212 (literal8_section): Likewise.
7213 (objc_selector_refs_section): Likewise.
7214 (objc_cls_refs_section): Likewise.
7215 * config/darwin.c (darwin_asm_output_anchor): New
7217 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7219 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7221 Fix PR tree-optimization/26443
7222 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7223 to todo and PROP_tmt_usage to properties_destroyed.
7224 * tree-ssa-ccp.c (pass_ccp): Ditto.
7225 (pass_store_ccp): Ditto.
7226 * tree-ssa-dom.c (pass_dominator): Ditto.
7228 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7230 * tree-ssa-operands.c: Cleanup whitespace.
7231 (get_asm_expr_operands): Move before first invocation.
7232 (get_indirect_ref_operands): Likewise.
7233 (get_tmr_operands): Likewise.
7234 (get_call_expr_operands): Likewise.
7235 (append_def): Likewise.
7236 (append_use): Likewise.
7237 (append_v_may_def): Likewise.
7238 (append_v_must_def): Likewise.
7239 (add_call_clobber_ops): Likewise.
7240 (add_call_read_ops): Likewise.
7241 (add_stmt_operand): Likewise.
7242 (add_virtual_operand): Likewise.
7243 (build_ssa_operands): Likewise.
7245 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7251 with a call expr to ...
7252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7254 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7256 * tree-vrp.c (extract_range_from_assert): Remove special
7257 handling for types with super-types.
7259 2006-03-01 Ben Elliston <bje@au.ibm.com>
7261 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7262 and powerpc64-*-linux* configurations.
7263 * config/t-dfprules: New file.
7265 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7266 Compile dfp-bit.c from the source directory using -DWIDTH and
7267 $DFP_CFLAGS to control the compilation of that file, rather than
7268 generating width-specific versions in the build directory.
7269 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7270 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7272 2006-02-28 Zack Weinberg <zackw@panix.com>
7274 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7277 2006-02-28 Eric Christopher <echristo@apple.com>
7279 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7280 Set up IN_LIBGCC definition of TARGET_64BIT.
7281 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7283 2006-02-28 Roger Sayle <roger@eyesopen.com>
7286 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7287 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7288 cases via the construction of "expr != 0".
7290 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7292 * alias.c (alias_invariant, alias_invariant_size): Remove.
7293 (record_base_value): Remove.
7294 (memrefs_conflict_p): Don't look at alias_invariant.
7295 (end_alias_analysis): Don't free it.
7296 * alias.h (record_base_value): Remove prototype.
7298 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7299 Adam Nemet <anemet@caviumnetworks.com>
7301 * rtl.h (truncated_to_mode): Declare it.
7302 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7303 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7304 (RTL_HOOKS_INITIALIZER): Include it.
7305 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7306 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7307 reg_truncated_to_mode.
7308 * rtlanal.c (truncated_to_mode): Define it.
7309 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7311 2006-02-28 Jeff Law <law@redhat.com>
7313 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7314 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7315 the range allowed by TYPE_PRECISION.
7317 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7319 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7321 PR tree-optimization/26419
7322 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7325 2006-02-27 Zack Weinberg <zackw@panix.com>
7327 * doc/md.texi: Fix typo in previous change.
7329 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7333 2006-02-27 Zack Weinberg <zackw@panix.com>
7335 * rtl.def (define_constraint, define_register_constraint)
7336 (define_memory_constraint, define_address_constraint): New MD forms.
7337 * gensupport.c (process_rtx): Put define_constraint etc on the
7339 * genpreds.c (process_define_predicate): Adjust comment. Validate
7340 the name, and call validate_exp to validate the expression.
7341 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7342 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7343 all callers changed.
7344 (validate_exp, needs_variable, struct constraint_data)
7345 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7346 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7347 (const_dbl_constraints, constraint_max_namelen)
7348 (have_register_constraints, have_memory_constraints)
7349 (have_address_constraints, have_address_constraints)
7350 (have_extra_constraints, have_const_int_constraints)
7351 (have_const_dbl_constraints, mangle, add_constraint)
7352 (process_define_constraint, process_define_register_constraint)
7353 (write_enum_constraint_num, write_lookup_constraint)
7354 (write_insn_constraint_len, write_regclass_for_constraint)
7355 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7356 (write_insn_extra_memory_constraint)
7357 (write_insn_extra_address_constraint)
7358 (write_satisfies_constraint_fns): New.
7359 (write_tm_preds_h): If we have new-style constraint definitions,
7360 prototype the functions generated from them, and define the
7361 old constraint interface (still used by generic code) in terms of
7363 (write_insn_preds_c): If we have new-style constraint definitions,
7364 generate all relevant functions from those definitions.
7365 (main): Handle define_constraint etc.
7366 * genoutput.c (struct constraint_data, indep_constraints)
7367 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7368 (mdep_constraint_len): New data structures and functions, defined
7369 #ifdef USE_MD_CONSTRAINTS.
7370 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7371 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7372 use new logic to validate operand constraints against constraint
7374 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7376 * defaults.h: If none of the old-style constraint macros are
7377 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7378 old-style macros; and poison REG_CLASS_FROM_LETTER,
7379 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7381 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7382 * doc/md.texi: Document new constraint-definition mechanism and the
7383 C interface it provides. Remove references to old mechanism
7384 elsewhere in the document.
7385 (Machine Constraints): Use pathnames relative to gcc directory,
7386 i.e. config/ARCH/FILE. Change i386 section to refer to
7387 config/i386/predicates.md; update that section to match docstrings.
7388 * doc/tm.texi: Move all documentation of the old constraint-
7389 definition macros to their own section, clearly mark as obsolete.
7391 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7392 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7394 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7395 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7396 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7398 (splits and peepholes): Use satisfies_constraint_*.
7399 * config/i386/i386.c (memory_address_length)
7400 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7402 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7404 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7405 scalar operation to be put back into the loop.
7407 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7410 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7411 (extract_cie_info): Handle S flag in augmentation string.
7412 (execute_cfa_program): If context->signal_frame, execute also
7413 fs->pc == context->ra instructions.
7414 (uw_frame_state_for): If context->signal_frame, don't subtract one
7415 from context->ra to find FDE.
7416 (uw_update_context_1): Set context->signal_frame to
7418 (_Unwind_GetIPInfo): New function.
7419 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7420 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7422 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7423 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7424 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7425 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7426 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7427 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7428 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7429 x86_64_fallback_frame_state): Set fs->signal_frame.
7430 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7431 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7432 (frob_update_context): Likewise. Workaround missing S flag in
7433 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7434 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7435 Remove the psw_addr + 1 hack.
7437 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7439 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7440 with aggregates here.
7441 (find_func_aliases): Remove code for &<aggregate> from here.
7443 2006-02-26 Roger Sayle <roger@eyesopen.com>
7445 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7446 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7447 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7450 2006-02-26 Roger Sayle <roger@eyesopen.com>
7453 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7455 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7457 * opts.c (decode_options): Do not handle flag_strength_reduce.
7458 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7459 and OPT_fstrength_reduce.
7460 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7461 flag_prefetch_loop_arrays for being nonzero.
7462 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7464 (fprefetch-loop-arrays-rtl): Removed.
7465 (flag_prefetch_loop_arrays): Do not specify the value.
7467 * doc/passes.texi: Update documentation of loop optimizer
7469 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7470 -frerun-loop-opt): Remove.
7472 2006-02-26 Richard Guenther <rguenther@suse.de>
7474 PR tree-optimization/26421
7475 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7476 in function calls that are ADDR_EXPRs as using the whole structure.
7478 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7480 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7481 * tree-pass.h (pass_loop_optimize): Remove.
7482 * passes.c (pass_loop_optimize): Never run it.
7483 * toplev.c (backend_init): Don't call init_loop.
7484 * opts.c (flag_loop_optimize_set): Remove.
7485 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7486 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7487 the old RTL loop optimizer when profiling enabled.
7488 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7489 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7490 pre-headers for the sake of the old RTL loop optimizer.
7491 * Makefile.in: Remove all references to loop.o.
7493 * doc/invoke.texi: Remove all references to -floop-optimize
7494 and -frerun-loop-opt.
7496 2006-02-26 Zack Weinberg <zackw@panix.com>
7498 * doc/md.texi (Machine Constraints): Refer to all files with paths
7499 relative to gcc directory (i.e. config/CPU/file). Add missing
7500 @table @code ... @end table to M32C subsection.
7502 2006-02-26 Roger Sayle <roger@eyesopen.com>
7504 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7506 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7508 2006-02-26 Roger Sayle <roger@eyesopen.com>
7509 James A. Morrison <phython@gcc.gnu.org>
7512 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7513 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7514 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7515 signedness of the shift operation.
7517 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7519 PR tree-optimization/26359
7520 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7522 2006-02-25 Roger Sayle <roger@eyesopen.com>
7524 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7525 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7526 as X == 0, and some symmetry related transformations.
7527 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7529 2006-02-25 Roger Sayle <roger@eyesopen.com>
7532 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7533 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7534 symmetry related transformations. Fold (X^C1) == C2 as
7537 2006-02-25 Juergen Weigert <jw@suse.de>
7538 Richard Guenther <rguenther@suse.de>
7540 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7542 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7544 * combine.c (gen_lowpart_or_truncate): Call
7545 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7547 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7549 * doc/invoke.texi: Move -fopenmp description to "Options for
7551 Remove reference to -lgomp.
7553 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7555 * doc/install.texi: Require GNU tar version 1.14.
7557 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7559 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7560 * doc/invoke.texi (C++ Dialect Options): Document
7561 -fno-use-cxa-get-exception-ptr.
7562 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7563 * configure: Regenerate.
7564 * c.opt (fuse-cxa-get-exception-ptr): New.
7565 * c-opts.c (c_common_handle_option): Handle
7566 OPT_fuse_cxa_get_exception_ptr.
7567 * c-common.c (flag_use_cxa_atexit): Update documentation.
7568 (flag_use_cxa_get_exception_ptr): New.
7569 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7570 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7572 (C_COMMON_OVERRIDE_OPTIONS): New.
7574 2006-02-24 Roger Sayle <roger@eyesopen.com>
7577 * combine.c (try_combine): Explicitly check whether GET_CODE is
7578 a SET or a CLOBBER, instead on checking that it isn't a USE.
7580 2006-02-24 Roger Sayle <roger@eyesopen.com>
7582 * fold-const.c (fold_comparison): New subroutine of fold_binary
7583 containing transformations common to both the equality and
7584 ordering relational operators, factored out of fold_binary.
7585 (fold_binary): Separate out the equality operators (EQ_EXPR
7586 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7587 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7588 transformations common to both.
7589 (fold_div_compare): Fix latent bugs in the previously unreachable
7590 LT_EXPR and GE_EXPR cases.
7592 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7594 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7595 decl libname for clog to __clog on AIX.
7597 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7599 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7602 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7603 output traceback table for thunks. Localise rs6000_stack_info call.
7605 2006-02-23 Roger Sayle <roger@eyesopen.com>
7606 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7608 * gthr-posix.h (__gthrw): Fix typo in comment.
7610 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7612 * doc/cpp.texi (Character sets): Document that we do support
7613 input files to be in any character set.
7615 2006-02-23 Jeff Law <law@redhat.com>
7617 * tree.h (PHI_ARG_NONZERO): Remove.
7618 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7619 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7620 node to the new node.
7622 PR tree-optimization/26425
7623 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7624 min/max, then assume its varying.
7626 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7628 PR rtl-optimization/26316
7629 * rtlanal.c (enum may_trap_p_flags): New.
7630 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7631 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7632 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7633 (may_trap_after_code_motion_p): New function.
7634 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7635 (find_invariant_insn): Use may_trap_after_code_motion_p.
7636 * rtl.h (may_trap_after_code_motion_p): Declare.
7638 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7640 * emit-rtl.c (immed_double_const): Cleanup.
7642 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7644 Fix PR tree-optimization/26376
7645 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7648 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7651 * gimplify.c (omp_add_variable): Guard variable size decl test with
7652 DECL_SIZE (decl) check.
7654 2006-02-23 Richard Guenther <rguenther@suse.de>
7657 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7658 like aggregate types.
7660 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7662 * configure.ac: Add --with{,out}-long-double-128 configure option.
7663 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7664 * configure: Rebuilt.
7665 * config.in: Rebuilt.
7666 * doc/install.texi (Options specification): Document
7667 --with-long-double-128.
7669 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7670 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7671 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7672 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7674 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7676 * config/s390/s390.c (override_options): Handle
7677 TARGET_DEFAULT_LONG_DOUBLE_128.
7679 * config/alpha/alpha.c (override_options): Handle
7680 TARGET_DEFAULT_LONG_DOUBLE_128.
7682 * config/sparc/sparc.c (sparc_override_options): Handle
7683 TARGET_DEFAULT_LONG_DOUBLE_128.
7685 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7687 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7688 (real-install-headers-tar, real-install-headers-cpio)
7689 (real-install-headers-cp): New targets.
7691 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7693 * tree.h (variable_section): Delete.
7694 * varasm.c (variable_section): Delete.
7696 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7698 * install.texi: Add notes on install.texi2html.
7699 (Building in parallel): Do not use footnotes.
7701 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7704 * doc/install.texi (Configuration): Document --disable-libgomp.
7706 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7708 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7710 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7712 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7713 (vec_extractv2df_0_sse): New.
7715 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7717 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7718 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7719 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7720 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7721 to the result of the expression.
7722 (def_cfa_1): Adjust.
7723 (frame_pointer_cfa_offset): Rename to...
7724 (frame_pointer_fb_offset): ... this. Adjust all uses.
7725 (convert_cfa_to_loc_list): Rename to...
7726 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7727 Pass it on to build_cfa_loc.
7728 (compute_frame_pointer_to_cfa_displacement): Rename to...
7729 (compute_frame_pointer_to_fb_displacement): ... this. New
7730 offset parameter. Use it in computation.
7731 (gen_subprogram_die): Compute cfa_fb_offset with the new
7732 macro, and use it to compute the fb loc list and the
7735 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7737 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7738 replaced with register_operand.
7739 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7740 non-DREG is expensive.
7741 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7742 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7745 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7747 * doc/install.texi2html: Use set -e.
7749 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7751 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7752 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7753 * doc/invoke.texi (-fshared-data): Delete.
7754 * common.opt (fshared-data): Delete.
7755 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7756 (assemble_static_space): Remove #if 0 code.
7757 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7758 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7759 * config/cris/cris.h: Remove FIXME.
7761 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7763 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7766 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7769 * combine.c (simplify_shift_const_1): Disable nested shifts
7770 optimization for vector shifts.
7772 2006-02-20 Roger Sayle <roger@eyesopen.com>
7774 PR tree-optimization/26361
7775 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7776 of unsigned integer types.
7778 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7780 * tree-chrec.c (eq_evolutions_p): New.
7781 * tree-chrec.h (eq_evolutions_p): Declared.
7782 * tree-data-ref.c: Fix formatting.
7783 (datadep_stats, dependence_stats): New.
7785 (print_direction_vector): New.
7786 (dump_data_dependence_relation): Use print_direction_vector.
7787 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7788 (compute_subscript_distance): Static.
7789 (initialize_data_dependence_relation): Static. Get the number
7790 of loops surrounding the references from the callers, and initialize
7791 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7792 base_object_differ_p analyzers.
7793 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7794 compute_overlap_steps_for_affine_1_2,
7795 analyze_subscript_affine_affine): Count the classified dependences.
7796 Print a message when a test failed.
7797 (can_use_analyze_subscript_affine_affine): New.
7798 (analyze_siv_subscript): Compute the data dependences on symbolic
7799 scevs that verify can_use_analyze_subscript_affine_affine.
7800 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7801 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7802 Handle symbolic scevs.
7803 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7805 (subscript_dependence_tester): Moved...
7806 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7807 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7808 DDR_SIZE_VECT instead of getting it in parameter.
7809 (subscript_dependence_tester): ... here. Take as a parameter
7810 loop_nest_depth. Call build_classic_dist_vector and
7811 build_classic_dir_vector.
7812 (compute_affine_dependence): Update subscript_dependence_tester
7813 parameters. Update datadep_stats counters. Call
7814 compute_subscript_distance.
7815 (compute_self_dependence): Save the dist and dir vectors. Call
7816 compute_subscript_distance.
7817 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7818 (compute_all_dependences): Reorder parameters as they were before
7819 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7820 compute_subscript_distance. Update the use of
7821 compute_affine_dependence and initialize_data_dependence_relation.
7822 (find_data_references_in_loop): Handle COMPONENT_REF.
7823 (compute_data_dependences_for_loop): Initialize dependence_stats.
7824 Don't call build_classic_dist_vector and build_classic_dir_vector.
7825 Update the parameters of initialize_data_dependence_relation and
7826 compute_all_dependences. Print the statistics from datadep_stats.
7827 (analyze_all_data_dependences): Static. Not used until the pass for
7828 checking the data dependences is contributed.
7829 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7830 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7831 (initialize_data_dependence_relation, compute_affine_dependence,
7832 analyze_all_data_dependences, compute_subscript_distance): Removed.
7833 (print_direction_vector): New.
7834 * lambda.h (gcd): ... here.
7835 (lambda_vector_gcd): Moved here from gcd_vector.
7836 * lambda-code.c (gcd, gcd_vector): Removed.
7837 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7838 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7840 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7842 * ipa-type-escape.c: Tidy some comments and white space.
7843 * tree-ssa-operands.c: Likewise.
7845 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7848 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7849 (dump_decl_name): Do not walk the decl tree chains.
7850 * tree-pass.h (TDF_CHAIN): Remove.
7852 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7854 * Makefile.in (C): Remove
7856 (.PHONY): Remove C and PROTO
7858 2006-02-20 Roger Sayle <roger@eyesopen.com>
7861 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7862 deprecated CHAR_TYPE tree code.
7864 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7866 * configure.ac (target_list): Add install-info, dvi, html.
7867 * configure: Regenerate.
7869 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7870 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7871 treelang/Make-lang.in: Do not use double-colon rules.
7873 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7875 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7876 (TMT_USED_ALONE): New macro.
7877 * tree-pass.h (PROP_tmt_usage): New property.
7878 (TODO_update_tmt_usage): New todo.
7879 * tree-ssa-alias.c (updating_used_alone): New variable.
7880 (recalculate_used_alone): New function.
7881 (compute_may_aliases): Set updating_used_alone, call
7882 recalculate_used_alone.
7883 * tree-sra.c (pass_sra): Note that this pass destroys
7884 PROP_tmt_usage, and add TODO_update_tmt_usage.
7885 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7886 * tree-flow.h (updating_used_alone): Prototype.
7887 (recalculate_used_alone): Ditto.
7888 * passes.c (execute_todo): Add code to set updating_used_alone,
7889 and call recalculate.
7890 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7891 for clobber if used alone, and add assert to verify used_alone
7894 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7896 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7897 for non tls symbols added.
7898 (legitimize_address): Do nothing for PLUS expressions if one of the
7899 addends is a tls symbol reference.
7901 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7905 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7907 * Makefile.in (BOOTSTRAPPING): New.
7908 (quickstrap): New definition if BOOTSTRAPPING=yes.
7910 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7911 * configure.ac: Substitute all_selected_languages with the languages
7912 that were configured. For all the other variables except
7913 lang_specs_files, include all the languages in the tree.
7914 * configure: Regenerate.
7916 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7917 if there is one. Run the commands to run fixincludes in the same
7920 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7921 * doc/install.texi: Document exact conventions for searching target tools.
7922 Document --with-build-time-tools. Document toplevel bootstrap. Document
7923 something more about building an Ada cross-compiler. Don't list GNU Make
7924 requirements which affect all platforms.
7926 2006-02-19 Roger Sayle <roger@eyesopen.com>
7929 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7930 only equivalent if the have both the same mode and precision.
7932 2006-02-20 Ben Elliston <bje@au.ibm.com>
7934 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7936 2006-02-19 Roger Sayle <roger@eyesopen.com>
7937 Steven Bosscher <stevenb.gcc@gmail.com>
7939 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7940 constant pool references to identify stack mode constants.
7941 * rtlanal.c (constant_pool_constant_p): New predicate to check
7942 whether operand is a floating point constant in the pool.
7943 * rtl.h (constant_pool_constant_p): Prototype here.
7944 * loop.c (scan_loop): Avoid hoisting constants from the constant
7945 pool on STACK_REGS targets.
7946 (load_mems): Likewise.
7947 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7948 loads into x87 registers expensive in terms of register pressure.
7950 2006-02-19 Roger Sayle <roger@eyesopen.com>
7952 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7953 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7955 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7957 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7958 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7960 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7962 * doc/invoke.texi: Document -fipa-pta.
7963 * common.opt: Add ipa-pta option.
7964 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7965 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7966 (do_ds_constraint): Ditto.
7967 (get_constraint_for): Only add to referenced_vars if
7968 referenced_vars exists.
7969 (insert_into_field_list): Rewrite to do this unsorted.
7970 (insert_into_field_list_sorted): Rename old insert_into_field_list
7972 (create_function_info_for): Use insert_into_field_list_sorted.
7973 (create_variable_info_for): Rewrite so it uses unsorted version,
7974 since the field list is sorted.
7975 (intra_create_variable_infos): Only add to referenced_vars if
7976 referenced_vars exists.
7977 (ipa_pta_execute): Init heapvars, and delete when done.
7978 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7980 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7982 * doc/install.texi: Add missing `@samp'.
7984 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7986 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7989 2006-02-18 Mark Wielaard <mark@klomp.org>
7991 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7992 who added new 4.1 features, bug fixes and integration support.
7994 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7997 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8000 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8002 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8003 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8004 (copy_insn_1): Likewise. Don't copy each field individually.
8006 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8008 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8009 * rtl.c (rtx_size): Rename variable to...
8010 (rtx_code_size): ...this.
8011 (rtx_size): New function.
8012 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8013 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8015 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8016 * rtl.h (rtx_code_size): New variable.
8017 (rtx_size): Change from a variable to a function.
8018 (RTX_SIZE): Rename to...
8019 (RTX_CODE_SIZE): ...this.
8022 PR tree-optimization/17106
8023 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8024 (Anchored Addresses): New section.
8025 * doc/invoke.texi (-fsection-anchors): Document.
8026 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8027 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8028 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8029 * hooks.c (hook_bool_mode_rtx_false): New function.
8030 * hooks.h (hook_bool_mode_rtx_false): Declare.
8031 * gengtype.c (create_optional_field): New function.
8032 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8033 SYMBOL_REF_IN_BLOCK_P is true.
8034 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8035 (min_anchor_offset, max_anchor_offset): Likewise.
8036 (use_anchors_for_symbol_p): New hook.
8037 * toplev.c (compile_file): Call output_object_blocks.
8038 (target_supports_section_anchors_p): New function.
8039 (process_options): Check that -fsection-anchors is only used on
8040 targets that support it and when -funit-at-a-time is in effect.
8041 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8042 if the decl doesn't have one.
8043 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8044 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8045 of force_const_mem through use_anchored_address.
8046 (expand_expr_constant): New function.
8047 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8048 calling expand_expr for INDIRECT_REF.
8049 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8050 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8051 * expr.h (use_anchored_address): Declare.
8052 * loop-unroll.c: Don't declare rtx vectors here.
8053 * explow.c: Include output.h.
8054 (validize_mem): Call use_anchored_address.
8055 (use_anchored_address): New function.
8056 * common.opt (-fsection-anchors): New switch.
8057 * varasm.c (object_block_htab, anchor_labelno): New variables.
8058 (hash_section, object_block_entry_eq, object_block_entry_hash)
8059 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8060 (use_blocks_for_decl_p, change_symbol_section): New functions.
8061 (get_variable_section): New function, split out from assemble_variable.
8062 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8063 use_blocks_for_decl_p say so. Use change_symbol_section if the
8064 symbol has already been created.
8065 (assemble_variable_contents): New function, split out from...
8066 (assemble_variable): ...here. Don't output any code for
8067 block symbols; just pass them to place_block_symbol.
8068 Use get_variable_section and assemble_variable_contents.
8069 (get_constant_alignment, get_constant_section, get_constant_size): New
8070 functions, split from output_constant_def_contents.
8071 (build_constant_desc): Create a block symbol if use_object_blocks_p
8072 says so. Or into SYMBOL_REF_FLAGS.
8073 (assemble_constant_contents): New function, split from...
8074 (output_constant_def_contents): ...here. Don't output any code
8075 for block symbols; just pass them to place_section_symbol.
8076 Use get_constant_section and get_constant_alignment.
8077 (force_const_mem): Create a block symbol if use_object_blocks_p and
8078 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8079 (output_constant_pool_1): Add an explicit alignment argument.
8080 Don't switch sections here.
8081 (output_constant_pool): Adjust call to output_constant_pool_1.
8082 Switch sections here instead. Don't output anything for block symbols;
8083 just pass them to place_block_symbol.
8084 (init_varasm_once): Initialize object_block_htab.
8085 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8086 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8087 (place_block_symbol, get_section_anchor, output_object_block)
8088 (output_object_block_htab, output_object_blocks): New functions.
8089 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8090 (TARGET_ASM_OUT): Include it.
8091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8092 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8093 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8094 (TARGET_INITIALIZER): Include them.
8095 * rtl.c (rtl_check_failed_block_symbol): New function.
8096 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8097 (block_symbol, object_block): New structures.
8098 (rtx_def): Add a block_symbol field to the union.
8099 (BLOCK_SYMBOL_CHECK): New macro.
8100 (rtl_check_failed_block_symbol): Declare.
8101 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8102 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8103 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8104 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8105 * output.h (output_section_symbols): Declare.
8106 (object_block): Name structure.
8107 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8108 (default_use_anchors_for_symbol_p): Declare.
8109 * Makefile.in (RTL_BASE_H): Add vec.h.
8110 (explow.o): Depend on output.h.
8111 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8112 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8113 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8114 (rs6000_use_blocks_for_constant_p): New function.
8116 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8118 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8120 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8123 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8126 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8128 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8132 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8135 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8136 instead of DECL_REGISTER.
8138 2006-02-18 Olivier Hainque <hainque@adacore.com>
8141 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8143 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8146 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8147 * opth-gen.awk: Handle Var and InverseMask together.
8148 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8149 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8150 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8151 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8153 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8154 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8155 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8156 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8157 LINUX_DYNAMIC_LINKER): Define.
8158 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8159 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8161 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8162 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8163 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8165 (TARGET_C99_FUNCTIONS): Don't define.
8166 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8167 GLIBC_DYNAMIC_LINKER.
8168 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8169 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8170 GLIBC_DYNAMIC_LINKER64): Define.
8171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8172 LINUX_DYNAMIC_LINKER64.
8173 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8175 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8176 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8177 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8179 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8180 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8181 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8183 and LINUX_DYNAMIC_LINKER32.
8184 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8186 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8188 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8190 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8191 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8192 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8193 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8194 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8195 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8196 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8197 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8198 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8199 LINUX_DYNAMIC_LINKER): Define.
8200 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8201 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8202 GLIBC_DYNAMIC_LINKER64): Define.
8203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8204 LINUX_DYNAMIC_LINKER64.
8205 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8206 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8207 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8208 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8209 LINUX_DYNAMIC_LINKER): Define.
8210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8211 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8212 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8213 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8214 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8215 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8216 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8217 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8218 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8219 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8221 * doc/invoke.texi (-muclibc): Remove caveat about supported
8224 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8226 * doc/cpp.texi (__TIMESTAMP__): Document.
8228 2006-02-17 Roger Sayle <roger@eyesopen.com>
8231 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8232 C is one less than the width of X (and related transformations).
8233 * simplify-rtx.c (simplify_unary_operation_1): Transform
8234 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8235 depending on STORE_FLAG_VALUE, were C is one less then the
8238 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8240 Fix PR tree-optimization/26341
8241 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8242 about NAME_MEMORY_TAG's.
8244 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8247 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8248 with hardware float support, and software float support. Add fcpy
8249 alternative to hardware patterns. Add alternatives to copy between
8250 general and floating-point registers to the 32-bit pattern.
8251 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8252 secondary reload to load a QI or HI mode constant into a floating
8254 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8255 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8257 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8260 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8262 (load_macho_picbase_di): Likewise.
8264 2006-02-16 Jeff Law <law@redhat.com>
8266 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8267 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8268 (ssa_name_nonzero_p): Likewise.
8269 (get_value_range): Return NULL if VRP is not running.
8270 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8271 VRP routines do not discover a range.
8272 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8273 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8274 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8275 (tree_expr_nonnegative_p): Similarly.
8276 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8277 (restore_nonzero_vars_to_original_value): Remove.
8278 (unsafe_associative_fp_binop): Remove.
8279 (tree_ssa_dominator_optimize): Remove initialization and
8280 finalization of nonzero_vars and nonzero_vars_stack.
8281 (dom_opt_initialize_block): No longer push marker on
8283 (dom_opt_finalize_block): No longer call
8284 restore_nonzero_vars_to_original_value.
8285 (record_equivalences_from_phis): No longer look for
8286 nonzero PHI arguments.
8287 (cprop_into_successor_phis): No longer propagate nonzero
8288 property into PHI arguments. Lose unused argument. Caller
8290 (record_equivalences_from_stmt): No longer record nonzero
8291 values for SSA_NAMEs.
8292 (lookup_avail_expr): No longer use nonzero_vars.
8294 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8295 for sizetype when sizetype is unsigned.
8297 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8299 PR rtl-optimization/25603
8300 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8301 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8302 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8303 with new meaning of SETS.
8305 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8310 * config/linux.opt: New file.
8311 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8312 LINUX_DYNAMIC_LINKER): Define.
8313 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8314 * config.gcc (*-*-linux*): Define extra_options.
8315 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8316 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8317 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8318 GLIBC_DYNAMIC_LINKER.
8319 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8320 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8321 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8323 * doc/invoke.texi (GNU/Linux Options): New section.
8325 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8327 * config/sparc/sparc.md (setjmp): Rewrite.
8328 (setjmp_32): Delete.
8329 (setjmp_64): Likewise.
8331 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8333 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8336 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8338 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8341 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8343 PR rtl-optimization/26296
8344 * Makefile.in (loop-invariant.c): Add except.h dependency.
8345 * loop-invariant.c: Include except.h.
8346 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8348 2005-02-16 Paul Brook <paul@codesourcery.com>
8350 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8353 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8355 PR rtl-optimization/25636
8356 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8357 when deciding whether an insn is an initializing insn.
8359 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8361 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8362 (tree_code_size): Ditto.
8363 * tree.h (struct tree_memory_tag): Remove parent_var.
8364 (struct tree_struct_field_tag): New.
8367 (union tree_node): Add sft member.
8368 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8370 (create_sft): Add size and offset argument, set SFT_OFFSET and
8372 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8373 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8374 * tree-flow-inline.h (get_subvar_at): Update for
8375 SFT_OFFSET/SFT_SIZE.
8376 (var_can_have_subvars): Ditto.
8377 (overlap_subvar): Ditto.
8378 * print-tree.c (print_node): Print out interesting things for
8380 * tree-flow.h (struct subvar): Remove offset and size members.
8381 * tree-ssa-operands.c (get_expr_operands): Update for
8382 get_indirect_ref_operands changes.
8383 (get_indirect_ref_operands): Call add_virtual_operand instead of
8384 add_stmt_operand. Only recurse on base var if requested.
8385 (access_can_touch_variable): New function.
8386 (add_stmt_operand): Split virtual operand handling into ...
8387 (add_virtual_operand): Here. Add offset, size, and for_clobber
8388 arguments. Prune alias sets.
8389 (add_call_clobber_ops): Call add_virtual_operand.
8391 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8394 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8396 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8397 than TREE_CODE as index into omp_clause_num_ops array.
8399 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8401 PR rtl-optimization/26184
8402 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8404 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8405 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8406 must_precede, must_follow and tobe_scheduled.
8409 * opts.c (common_handle_option): Free new_option pointer.
8410 * df-core.c (df_analyze): Free postorder pointer.
8412 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8414 * Makefile.in: Fix the examples about the use of stamps
8416 2006-02-15 Michael Matz <matz@suse.de>
8420 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8421 influenced by maximum_field_alignment or DECL_PACKED.
8422 (update_alignment_for_field): Ditto.
8423 (place_field): Ditto.
8424 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8427 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8429 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8430 (debug_flow_info): Pass it.
8431 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8432 * bb-reorder.c (reorder_basic_blocks): Likewise.
8433 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8434 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8435 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8436 * gcse.c (gcse_main, bypass_jumps): Likewise.
8437 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8438 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8439 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8440 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8441 * rtl.h (dump_flow_info): Adjust prototype.
8442 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8443 * var-tracking.c (variable_tracking_main): Likewise.
8444 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8445 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8448 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8450 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8453 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8455 PR tree-optimization/26209
8456 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8457 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8459 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8461 2006-02-14 Roger Sayle <roger@eyesopen.com>
8464 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8465 (X,Y) and the corresponding symmetry related transformations.
8466 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8467 (X,Y) and its symmetry related transformations.
8469 2006-02-14 Roger Sayle <roger@eyesopen.com>
8471 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8474 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8476 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8478 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8481 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8482 support COMDAT group.
8483 * configure: Regenerate.
8485 2006-02-14 Roger Sayle <roger@eyesopen.com>
8490 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8492 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8494 Fix PR tree-optimization/26260
8496 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8498 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8499 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8500 * tree-ssa-structalias.c (create_variable_info_for): Use
8501 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8503 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8505 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8507 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8508 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8509 of the ending condition.
8510 * tree-ssa-loop-manip.c: Include params.h.
8511 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8512 tree_unroll_loop): New functions.
8513 * tree-pass.h (pass_loop_prefetch): Declare.
8514 * loop.c (rest_of_handle_loop_optimize): Test for
8515 -fprefetch-loop-arrays-rtl.
8516 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8517 * timevar.def (TV_TREE_PREFETCH): New timevar.
8518 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8519 pass_loop_prefetch): New.
8520 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8521 (cleanup_tree_cfg_loop): Call scev_reset.
8522 * common.opt (fprefetch-loop-arrays-rtl): Add.
8523 * tree-ssa-loop-prefetch.c: New file.
8524 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8525 (new_temp_expr_table): Initialize expr_vars.
8526 (free_temp_expr_table): Cleanup expr_vars.
8527 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8528 expressions from being merged into one.
8529 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8530 (struct tree_niter_desc): Add control, bound and cmp fields.
8531 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8533 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8534 (tree-cfgcleanup.o): Add SCEV_H dependency.
8535 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8536 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8538 2006-02-14 Richard Guenther <rguenther@suse.de>
8540 PR tree-optimization/26258
8541 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8542 in PHI argument processing.
8544 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8546 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8547 new expression in the requested machine mode.
8549 2006-02-13 Roger Sayle <roger@eyesopen.com>
8551 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8552 directly, instead let do_compare_rtx_and_jump handle this for us.
8553 * expr.c (expand_expr_real_1): Likewise.
8554 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8555 before do_jump_by_parts_greater.
8556 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8557 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8559 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8561 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8563 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8565 PR rtl-optimization/26235
8566 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8567 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8570 2006-02-13 Jeff Law <law@redhat.com>
8572 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8575 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8578 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8579 twice if decl is a builtin. When trying again, call get_callee_fndecl
8580 first to verify it is still a builtin.
8582 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8584 * dwarf2out.c (base_type_die): Don't add AT_name here.
8585 (subrange_type_die): Don't add AT_name here.
8586 (modified_type_die): Rearrange code flow. Do add AT_name here.
8588 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8590 PR rtl-optimization/26247
8591 PR rtl-optimization/26248
8592 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8594 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8596 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8597 * config/fixtfdi.c: Likewise.
8598 * config/fixunstfdi.c: Likewise.
8599 * config/floatditf.c: Likewise.
8601 2006-02-13 Roger Sayle <roger@eyesopen.com>
8604 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8605 into (X,C2) if C1 is a subset of the bits of C2. Transform
8606 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8608 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8610 2006-02-13 Josh Conner <jconner@apple.com>
8613 * varasm.c (function_section): Check for section name before
8614 calling select_section on targets that define
8615 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8616 unlikely_text_section instead of hot_function_section if
8617 first_function_block_is_cold.
8619 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8622 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8624 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8626 PR rtl-optimization/26222
8627 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8628 after tree->rtl expansion.
8629 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8630 before passing it to emit_move_insn.
8632 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8634 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8636 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8637 Clarify documentation.
8638 * c-common.h (warn_write_strings): Remove.
8639 * c-common.c (warn_write_strings): Likewise.
8640 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8643 2006-02-12 Roger Sayle <roger@eyesopen.com>
8646 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8647 (do_jump_parts_zero_rtx): New function renamed from
8648 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8649 (do_jump_parts_equality_rtx): New function split out from
8650 do_jump_parts_equality. Old implementation renamed as above.
8651 Call do_jump_parts_zero_rtx if either operand is zero.
8652 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8653 do all of the heavy lifting.
8654 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8655 calling either do_jump_by_parts_greater_rtx or
8656 do_jump_by_parts_equality_rtx.
8657 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8658 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8659 moved to do_compare_rtx_and_jump, call it directly.
8660 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8661 mode argument. Call do_compare_rtx_and_jump.
8662 (emit_case_nodes): Update calls to do_jump_if_equal.
8664 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8666 PR rtl-optimization/26225
8667 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8669 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8671 PR rtl-optimization/26232
8672 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8674 2006-02-11 Jason Merrill <jason@redhat.com>
8677 * tree-inline.c (declare_return_variable): Just don't use the
8678 modify target if it's a gimple complex reg and the return slot
8681 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8683 * doc/contrib.texi: Update my entry.
8685 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8687 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8689 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8691 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8694 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8696 * doc/invoke.texi (-floop-optimize2): Removed.
8697 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8698 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8699 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8700 * common.opt (floop-optimize2): Removed.
8701 (fmove-loop-invariants): Enabled by default.
8703 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8705 * tree-if-conv.c (combine_blocks): Free the result of
8706 get_loop_exit_edges.
8708 2006-02-10 Jeff Law <law@redhat.com>
8710 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8712 PR tree-optimization/26213
8713 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8714 loop trying to follow SSA_NAME_VALUE chains.
8716 2006-02-10 Richard Guenther <rguenther@suse.de>
8718 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8719 deal with structures that end in implicitly variable sized arrays.
8721 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8723 PR rtl-optimization/24762
8724 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8727 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8729 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8730 (struct ivopts_data): Add regs_used field.
8731 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8732 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8733 instead of loop_data->regs_used;
8734 (free_loop_data): Do not free aux fields for loops.
8735 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8736 and tree_ssa_iv_optimize_finalize.
8738 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8740 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8742 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8745 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8746 computing the effective result type.
8748 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8751 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8752 (tree_overlaps_hard_reg_set): Declare.
8753 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8754 type and signature to match function type expected by walk_tree.
8755 (tree_overlaps_hard_reg_set): New function.
8756 (decl_conflicts_with_clobbers_p): Rename to:
8757 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8758 Use tree_overlaps_hard_reg_set. Changed caller.
8759 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8760 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8761 * cris.c (cris_md_asm_clobbers): Likewise.
8763 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8765 * reload1.c (emit_input_reload_insns): Delete code that tries to
8766 inherit using find_equiv_reg.
8768 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8770 * c-common.h (flag_const_strings): Don't declare.
8771 * c-common.c (flag_const_strings): Remove.
8772 * c.opt (fconst_strings): Remove.
8773 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8774 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8775 (c_common_init_options): Don't set flag_const_strings.
8776 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8778 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8780 * arm.md (tlobits_cbranch): New pattern.
8781 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8782 testing a single bit.
8784 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8787 * tree-ssa-pre.c (create_component_ref_by_pieces):
8788 Handle RETURN_DECL like VAR_DECL.
8790 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8793 * fold-const.c (fold_indirect_ref_1): Fold
8794 "*(foo *)&complexfoo" to "__real__ complexfoo"
8795 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8799 * tree-flow-inline.h (var_can_have_subvars):
8800 Volatile variables should not have subvariables.
8802 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8805 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8806 multiplying unsigned values.
8809 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8811 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8813 2006-02-08 Jason Merrill <jason@redhat.com>
8816 * tree.def: Elaborate on difference from MODIFY_EXPR.
8817 * doc/c-tree.texi (INIT_EXPR): Likewise.
8818 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8819 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8820 (gimplify_target_expr): Likewise.
8821 (gimplify_cond_expr): Remove target handling.
8822 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8823 (gimplify_expr): Clobber it here.
8824 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8825 Do return slot optimization if we have an INIT_EXPR.
8828 * tree-inline.c (declare_return_variable): Also clear
8829 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8832 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8835 * gimplify.c (gimplify_one_sizepos): Fix typo.
8837 2006-02-08 Jeff Law <law@redhat.com>
8839 PR tree-optimization/21417
8840 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8841 across a backedge if the control statement at the end of the
8842 block is data dependent on other statements in the same block.
8843 (record_temporary_equivalences_from_stmts): Remove over-conservative
8844 test for threading across backedges.
8846 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8847 control statement, handle all three special cases in the same
8848 manner as they all have the same desired solution. No longer
8849 special case edge flag updating when the post dominator is
8852 2006-02-08 Roger Sayle <roger@eyesopen.com>
8854 * tree.def (CHAR_TYPE): Remove.
8855 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8856 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8857 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8858 (gen_string_type_die): Delete unreachable function.
8860 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8861 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8862 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8863 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8864 * builtins.c (type_to_class): Likewise.
8865 * fold-const.c (fold_convert, build_range_check,
8866 merge_ranges): Likewise.
8867 * expr.c (count_type_elements): Likewise.
8868 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8869 * stor-layout.c (layout_type): Likewise.
8870 * ipa-type-escape.c (type_to_consider): Likewise.
8871 * gimplify.c (omp_firstprivatize_type_sizes,
8872 gimplify_type_sizes): Likewise.
8873 * explow.c (promote_mode): Likewise.
8874 * tree-sra.c (is_sra_scalar_type): Likewise.
8875 * varasm.c (output_constant): Likewise.
8876 * tree-inline.c (remap_type_1): Likewise.
8877 * convert.c (convert_to_pointer, convert_to_real,
8878 convert_to_integer, convert_to_complex): Likewise.
8880 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8882 * df-scan.c (df_def_record_1): A set destination may
8883 be a parallel regardless of mode.
8885 2006-02-08 Roger Sayle <roger@eyesopen.com>
8888 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8889 * config/mips/_tilib.c: Remove.
8890 * config/fixtfdi.c: New libgcc source file.
8891 * config/fixunstfdi.c: New source file.
8892 * config/floatditf.c: New source file.
8893 * config/floatunditf.c: New souce file.
8894 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8895 files above instead of config/mips/_tilib.c.
8896 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8898 2006-02-08 Jeff Law <law@redhat.com>
8900 PR tree-optimization/26169
8901 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8904 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8906 * df.h (DF_REG_SIZE): Return the length of the initialized
8909 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8911 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8912 __muldf3): Return a correctly signed zero.
8914 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8916 * passes.c (register_one_dump_file): Accept the current properties
8917 instead of pass number. Adjust call to dump_register. Remove
8919 (register_dump_files): Now a wrapper around...
8920 (register_dump_files_1): ... this one. Do not modify the pass
8922 (next_pass_1): Cosmetic fix.
8923 (execute_todo): Keep second parameter only. Use curr_properties
8924 instead of fetching it from the pass structure. Check and set
8926 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8927 instead of fetching it from the pass structure. Fix calls to
8928 execute_todo. Update curr_properties and initialize .vcg RTL dump
8929 after running the pass. Reset last_verified.
8930 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8932 (FIRST_AUTO_NUMBERED_DUMP): New.
8933 (dump_register): Remove "num" parameter, assign it within the
8935 (get_dump_file_name): Modify template for dumps.
8936 * tree-dump.h (dump_register): Adjust prototype.
8937 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8938 (PROP_trees): Add PROP_gimple_lomp.
8939 (TODO_set_props): New.
8940 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8941 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8942 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8944 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8946 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8947 (sparc64-*-linux*): Likewise.
8948 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8949 * config/sparc/t-linux: New file.
8950 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8951 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8952 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8953 -m32 -mlong-double-128.
8955 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8956 * config/alpha/t-linux: New file.
8957 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8959 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8960 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8961 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8962 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8963 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8964 (CPP_ARCH32_SPEC): Remove.
8966 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8968 PR tree-optimization/26145
8969 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8972 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8975 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8976 >= 240000 when generating code for SOM runtime.
8977 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8978 to $$dyncall when generating code for SOM runtime..
8980 2006-02-07 Dirk Mueller <dmueller@suse.com>
8983 * doc/invoke.texi (-Wsequence-point): Update documentation
8984 that -Wsequence-point is implemented for C++ as well.
8986 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8988 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8989 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8990 (LIB_SPEC): Likewise.
8991 * doc/invoke.texi (SPARC options): Document -pthread.
8993 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8995 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8998 2006-02-07 Roger Sayle <roger@eyesopen.com>
9000 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9001 Correct comment describing BOOLEAN_TYPE.
9003 2006-02-07 Dirk Mueller <dmueller@suse.com>
9005 * c.opt: C++ frontend supports -Wdiv-by-zero.
9006 * c-opts.c (c_common_handle_option): Remove dead case.
9008 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9010 * configure.ac (TLS assembler check): Do not enable TLS by
9011 default on SPARC/Solaris before version 10.
9012 * configure: Regenerate.
9014 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9016 * doc/invoke.texi (xl-compat): Document conversion and support
9019 2006-02-07 Jeff Law <law@redhat.com>
9021 * tree-vrp.c (find_conditional_asserts): Update comments.
9022 (simplify_stmt_for_jump_threading): New.
9023 (identify_jump_threads, finalize_jump_threads): New.
9024 (vrp_finalize): Call identify_jump_threads.
9025 (execute_vrp): Call finalize_jump_threads.
9026 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9027 (vrp_element, vrp_data, vrp_element_p): Remove.
9028 (vrp_hash_elt, vrp_variables_stack): Remove.
9029 (vrp_hash, vrp_eq, record_range): Remove.
9030 (simplify_cond_and_lookup_avail_expr): Remove.
9031 (extract_range_from_cond): Remove.
9032 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9033 (simplify_stmt_for_jump_threading): New.
9034 (dom_thread_across_edge): New wrapper.
9035 (tree_ssa_dominator_optimize): No longer initialize or
9036 finalize any of the VRP datastructures. Remove iteration
9037 step and simplify as a result of removal of iteration step.
9038 (pass_dominator): Perform a cfg cleanup after DOM.
9039 (dom_opt_finalize_block): Use the new common routines
9040 for threading jumps. Simplify stack management slightly.
9041 No longer need to unwind VRP state.
9042 (record_equivalences_from_incoming_edge): No longer record
9044 (eliminate_redundant_computations): No longer call
9045 simplify_cond_and_lookup_avail_expr.
9046 * tree-flow.h (potentially_threadable_block): Prototype.
9047 (thread_across_edge): Likewise.
9048 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9049 (tree-ssa-threadedge.o): Add dependencies.
9050 * tree-ssa-threadedge.c: New file.
9051 * passes.c (init_optimization_passes): Merge PHIs before
9052 calling VRP. Run VRP again late in the SSA optimization pipeline.
9054 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9056 * df-core.c (df_set_blocks): Do not dereference function pointers.
9057 (df_finish1): Likewise.
9058 (df_hybrid_search_forward): Likewise.
9059 (df_hybrid_search_backward): Likewise.
9060 (df_iterative_dataflow): Likewise.
9061 (df_analyze_problem): Likewise.
9062 (df_compact_blocks): Likewise.
9063 (df_dump): Likewise.
9064 * df-scan.c (df_rescan_blocks): Likewise.
9065 (df_record_entry_block_defs): Likewise.
9067 * genconditions.c (write_conditions): Guard the definition of
9068 'insn_conditions' with the check on GCC version.
9069 (write_writer): Guard the traversal 'insn_conditions' with
9070 the check on GCC version.
9072 2006-02-07 Richard Guenther <rguenther@suse.de>
9076 2006-01-30 Richard Guenther <rguenther@suse.de>
9078 * gimplify.c (gimplify_target_expr): Handle easy cases
9079 without creating a temporary.
9081 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9083 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9084 use of float in probability computations. Use edge probabilities
9085 in place of statically computed probabilities.
9086 (min_spec_prob): New static variable.
9087 (schedule_insns): Initialize it.
9088 (GET_SRC_PROB): Removed.
9089 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9091 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9094 * config/ia64/unwind-ia64.c: Revert last change.
9095 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9096 (INCOMING_FRAME_SP_OFFSET): Define.
9098 2006-02-06 Roger Sayle <roger@eyesopen.com>
9100 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9102 2006-02-07 Ben Elliston <bje@au.ibm.com>
9104 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9105 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9106 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9107 (ix86_return_in_memory): Handle TDmode.
9108 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9109 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9111 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9113 * reorg.c (dbr_schedule): Use dump_file instead of file.
9115 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9118 * config/ia64/predicates.md (extr_len_operand): New predicate.
9119 * config/ia64/ia64.md (extv): Tighten constraints.
9121 (*tbit_and_2): Ditto.
9122 (*tbit_and_3): Ditto.
9123 (*tbit_or_2): Ditto.
9124 (*tbit_or_3): Ditto.
9128 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9131 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9133 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9135 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9136 loop_optimizer_init and loop_optimizer_finalize
9137 * tree-ssa-sink.c (execute_sink_code): Ditto.
9138 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9139 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9140 tree_ssa_loop_done): Ditto.
9141 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9142 * sched-ebb.c: Include output.h.
9143 (schedule_ebbs): Do not use dump argument.
9144 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9145 * loop.c (loop_dump_stream): Removed.
9146 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9148 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9149 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9150 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9151 loop_iterations, strength_reduce, record_biv, record_giv,
9152 final_giv_value, check_final_value, check_ext_dependent_givs,
9153 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9154 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9155 dump_file instead of loop_dump_stream.
9156 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9158 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9160 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9161 * haifa-sched.c: Include output.h
9162 (schedule_insns, sched_init): Do not use dump argument.
9163 * mode-switching.c (optimize_mode_switching): Ditto.
9164 * modulo-sched.c (stats_file): Removed.
9165 (print_node_sched_params): Do not call argument dump_file.
9166 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9167 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9169 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9171 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9172 rtl_loop_init, rtl_loop_done): Ditto.
9173 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9174 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9176 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9177 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9178 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9179 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9180 * emit-rtl.c (renumber_insns): Ditto.
9181 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9182 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9183 * regclass.c (regclass): Ditto.
9184 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9185 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9186 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9187 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9189 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9190 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9192 * gcse.c (gcse_file, debug_stderr): Removed.
9193 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9194 rest_of_handle_gcse): Do not use dump argument.
9195 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9196 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9197 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9198 compute_code_hoist_vbeinout, compute_code_hoist_data,
9199 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9200 compute_store_table, build_store_vectors, insert_insn_start_bb,
9201 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9202 store_motion): Use dump_file instead of gcse_file.
9203 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9204 * profile.c (profile_dump_file): Removed.
9205 (branch_prob): Use dump_file instead of profile_dump_file.
9206 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9208 * tree-ssa-copy.c (dump_copy_of): Ditto.
9209 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9210 dump file to life_analysis.
9211 * bt-load.c (branch_target_load_optimize): Ditto.
9212 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9214 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9215 regclass, dbr_schedule): Declaration changed.
9216 * sched-int.h (sched_init): Declaration changed.
9217 * tree-profile.c (tree_profile_dump_file): Removed.
9218 (tree_profile_hooks): Removed profile_dump_file hook.
9219 * rtl-profile (rtl_profile_dump_file): Removed.
9220 (rtl_profile_hooks): emoved profile_dump_file hook.
9221 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9223 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9224 * tree-cfg.c (build_tree_cfg): Ditto.
9225 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9226 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9227 Declaration changed.
9228 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9229 life_analysis and schedule_insns.
9230 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9232 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9234 * config/mips/mips.c (mips_reorg): Ditto.
9235 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9238 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9240 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9241 (s390_mangle_fundamental_type): New.
9242 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9245 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9246 (alpha_mangle_fundamental_type): New.
9247 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9250 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9252 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9254 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9255 (sparc_mangle_fundamental_type): New.
9257 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9259 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9260 (s390x-*-linux*): Likewise.
9261 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9262 * config/s390/t-linux: New file.
9264 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9266 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9267 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9269 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9271 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9272 (ANTIC_SAFE_LOADS): New macro.
9273 (find_or_generate_expression): Add prototype.
9274 (set_contains_value): Allow null set for sake of not always having
9275 to allocate ANTIC_SAFE_LOADS.
9276 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9277 Allow COMPONENT_REF too.
9278 (valid_in_set): Allow COMPONENT_REF.
9279 Check ANTIC_SAFE_LOADS too.
9280 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9281 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9283 (can_PRE_operation): Add COMPONENT_REF.
9284 (create_component_ref_by_pieces): New function.
9285 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9286 (insert_aux): Move AGGREGATE_TYPE_P check here.
9287 (compute_avail): Set bb local stmt uids.
9288 (pass_pre): Use TODO_update_ssa_only_virtuals.
9290 2006-02-06 Ben Elliston <bje@au.ibm.com>
9292 * configure.ac: Unconditionally disable decimal float by default.
9293 * configure: Regenerate.
9295 2006-02-06 Ben Elliston <bje@au.ibm.com>
9297 * read-rtl.c (read_name): Terminate reading on EOF.
9299 2006-02-06 Ben Elliston <bje@au.ibm.com>
9301 * dfp.c (decimal_real_arithmetic): Change second argument type
9302 from int to enum tree_code. Do not always return true, but now
9303 return result of any call to decimal_do helper functions.
9304 * dfp.h (decimal_real_arithmetic): Update prototype.
9306 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9308 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9310 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9313 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9316 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9318 * tree-vrp.c (cfg_loops): Removed.
9319 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9320 Use current_loops instead of cfg_loops. Pass flags to
9321 loop_optimizer_init.
9322 * cfgloopmanip.c (fix_loop_structure): Update only available
9324 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9325 loop_optimizer_init.
9326 * modulo-sched.c (build_loops_structure): Removed.
9327 (sms_schedule): Use loop_optimizer_init.
9328 * loop-init.c (loop_optimizer_init): Use flags to determine
9329 which properties of loops to prepare.
9330 (rtl_loop_init): Pass flags to loop_optimizer_init.
9331 * tree-ssa-sink.c (execute_sink_code): Ditto.
9332 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9333 * tree-ssa-pre.c (init_pre): Ditto.
9334 * cfgloop.h (LOOPS_NORMAL): New.
9335 (loop_optimizer_init): Declaration changed.
9337 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9339 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9340 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9342 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9344 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9346 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9347 * pa/t-pa64: Delete quadlib.c rule.
9348 * pa/x-ada: Revert last change.
9349 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9351 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9353 PR rtl-optimization/26087
9354 * rtlanal.c (canonicalize_condition): Do not cross basic block
9357 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9360 * config/ia64/ia64.c: Include debug.h.
9361 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9362 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9363 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9364 (process_epilogue, process_set, process_for_unwind_directive):
9365 Output unwind info only if requested. Add CFA info if requested.
9366 Add new arguments as needed. Adjust callers.
9367 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9369 (DWARF2_FRAME_INFO): Define to zero.
9370 * config/ia64/unwind-ia64.c: Remove code that compensated for
9371 the CFA offset error fixed above.
9372 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9373 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9374 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9375 -funwind-tables and -fexceptions to enable frame info.
9376 (dwarf2out_frame_init): Define initial CFA even if
9377 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9378 DWARF2_UNWIND_INFO is nonzero, not just defined.
9379 (dwarf2out_frame_finish): Output non-EH call frame info only
9380 if DWARF2_FRAME_INFO is nonzero.
9381 (convert_cfa_to_loc_list,
9382 compute_frame_pointer_to_cfa_displacement): Define even if
9383 unwind info is not supported.
9384 (gen_subprogram_die): Use the above unconditionally. Remove
9385 legacy alternate code.
9386 * toplev.c (compile_file): Compile in call to
9387 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9388 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9390 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9391 Jakub Jelinek <jakub@redhat.com>
9393 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9394 IBM extended float format long double as "g" on powerpc*-linux.
9396 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9399 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9400 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9402 2006-02-03 Jason Merrill <jason@redhat.com>
9405 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9408 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9409 on the return slot if it's an NRV.
9411 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9413 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9414 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9415 rewrite_use): Do not handle USE_OUTER.
9416 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9417 add_iv_outer_candidates, may_replace_final_value,
9418 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9419 (find_interesting_uses_op): Functionality of
9420 find_interesting_uses_outer_or_nonlin moved here.
9421 (find_interesting_uses_outside): Use find_interesting_uses_op.
9423 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9426 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9428 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9429 Ulrich Weigand <uweigand@de.ibm.com>
9432 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9433 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9434 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9435 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9437 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9438 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9439 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9440 Define secondary reloads for TFmode moves.
9441 (constant_modes): Add TFmode.
9442 (NR_C_MODES): Set to 8.
9443 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9445 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9446 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9447 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9448 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9449 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9450 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9451 (FPR mode macro): Add TFmode.
9452 (DSF mode macro): New.
9453 (<de>, <dee> mode attributes): Removed.
9454 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9455 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9456 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9457 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9458 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9459 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9460 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9461 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9462 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9463 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9464 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9465 "*negabs<mode>2", "sqrt<mode>2"):
9466 Changed <de> to <xde>. R constraint replaced by <Rf>.
9467 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9469 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9470 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9471 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9473 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9474 "extenddftf2", "extendsftf2"): New expanders.
9475 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9476 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9477 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9478 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9480 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9481 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9482 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9483 __floatditf): Add a GCC_4.1.0 symbol version tag.
9484 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9487 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9490 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9491 Use targetm.binds_local_p instead of TREE_PUBLIC.
9493 2006-02-02 Roger Sayle <roger@eyesopen.com>
9495 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9496 on INTEGER_TYPEs to indicate that it denotes a character type.
9497 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9498 signed_char_type_node, unsigned_char_type_node and char_type_node.
9499 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9500 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9501 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9503 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9504 Daniel Berlin <dberlin@dberlin.org>
9506 * tree-tailcall.c (arg_needs_copy_p): New function.
9507 (eliminate_tail_call): Use arg_needs_copy_p.
9508 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9509 (add_virtual_phis): New function.
9511 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9513 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9514 #ignore instead of #scratch for %g7 .register directive.
9516 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9518 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9521 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9523 * flow.c (calculate_global_regs_live): Assert that there aren't any
9526 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9528 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9530 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9531 bsi_after_labels iterator.
9532 * tree-if-conv.c (find_phi_replacement_condition,
9533 replace_phi_with_cond_modify_expr): Likewise.
9534 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9535 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9537 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9539 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9541 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9544 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9545 array after growing it.
9547 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9550 * fold-const.c (fold_checksum_tree): Change type of buf.
9552 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9554 * reload.c (push_secondary_reload): Initialize t_icode.
9556 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9558 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9559 -msoft-float -mlong-double-128 only issue a warning, but don't
9560 swich to DFmode long double.
9562 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9564 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9565 has a constant equivalent, iterate over equivalents for arg0,
9566 calling simplify_relational_operation and if there's a result
9567 cheaper than X, apply fold_rtx and return the result.
9569 2006-02-01 Jan Hubicka <jh@suse.cz>
9571 * opts.c (no_unit_at_a_time_default): New global variable.
9572 (decode_options): Use it.
9573 * opts.h (no_unit_at_a_time_default): Declare.
9575 2006-02-01 Paul Brook <paul@codesourcery.com>
9577 * function.c (assign_parm_setup_reg): Use function argument promotion
9579 * expr.c (expand_expr_real_1): Use function argument promotion rules
9582 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9584 * gcc.c (process_command): Change j to 'unsigned int'.
9586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9589 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9590 Use the corrected index for the character
9591 out of the string constant.
9593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9595 * mode-switching.c (optimize_mode_switching): Fix size
9596 allocated for bb_info[n_entities].
9598 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9600 * gcc.c (main): Correct type that is allocated for
9601 explicit_link_files.
9603 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9605 * config/s390/s390.c (init_alignment_context): Set
9606 ALIAS_SET_MEMORY_BARRIER on the MEM.
9607 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9609 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9612 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9614 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9617 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9619 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9620 * regrename.c: Ditto.
9621 * tree-ssa-loop-im.c: Ditto.
9622 * tree-dump.c: Ditto.
9623 * tree-complex.c: Ditto.
9624 * genrecog.c: Ditto.
9625 * tree-ssa-threadupdate.c: Ditto.
9627 * java/class.c: Ditto.
9628 * java/jcf-parse.c: Ditto.
9629 * java/resource.c: Ditto.
9630 * java/except.c: Ditto.
9631 * java/jvspec.c: Ditto.
9632 * java/jcf-write.c: Ditto.
9633 * java/jcf-path.c: Ditto.
9634 * java/gjavah.c: Ditto.
9635 * java/zextract.c: Ditto.
9636 * java/jcf-io.c: Ditto.
9637 * java/jcf.h: Ditto.
9638 * java/buffer.c: Ditto.
9639 * java/lang.c: Ditto.
9640 * java/parse-scan.y: Ditto.
9641 * java/lex.c: Ditto.
9642 * java/lex.h: Ditto.
9643 * cfgloopmanip.c: Ditto.
9644 * postreload-gcse.c: Ditto.
9645 * tree-ssa-loop-manip.c: Ditto.
9646 * postreload.c: Ditto.
9647 * tree-ssa-loop-ch.c: Ditto.
9651 * diagnostic.c: Ditto.
9653 * genoutput.c: Ditto.
9655 * cfghooks.c: Ditto.
9656 * cfgloopanal.c: Ditto.
9657 * objc/objc-act.c: Ditto.
9659 * genextract.c: Ditto.
9660 * genautomata.c: Ditto.
9661 * pretty-print.c: Ditto.
9663 * cgraphunit.c: Ditto.
9666 * haifa-sched.c: Ditto.
9667 * dominance.c: Ditto.
9669 * tree-ssa-loop-ivopts.c: Ditto.
9671 * mode-switching.c: Ditto.
9672 * modulo-sched.c: Ditto.
9674 * ipa-pure-const.c: Ditto.
9676 * fix-header.c: Ditto.
9678 * tree-stdarg.c: Ditto.
9679 * ipa-utils.c: Ditto.
9680 * loop-init.c: Ditto.
9681 * ipa-inline.c: Ditto.
9684 * alloc-pool.c: Ditto.
9685 * dwarf2out.c: Ditto.
9687 * genattrtab.c: Ditto.
9688 * tree-ssa-loop-ivcanon.c: Ditto.
9692 * fortran/gfortranspec.c: Ditto.
9694 * local-alloc.c: Ditto.
9695 * langhooks.c: Ditto.
9696 * function.c: Ditto.
9697 * tree-vectorizer.c: Ditto.
9699 * ipa-type-escape.c: Ditto.
9701 * tree-if-conv.c: Ditto.
9704 * tree-data-ref.c: Ditto.
9705 * loop-unroll.c: Ditto.
9706 * treelang/treetree.c: Ditto.
9709 * ggc-common.c: Ditto.
9711 * coverage.c: Ditto.
9713 * tree-cfgcleanup.c: Ditto.
9714 * tree-ssa-pre.c: Ditto.
9715 * cfgcleanup.c: Ditto.
9716 * loop-invariant.c: Ditto.
9718 * ipa-prop.c: Ditto.
9719 * print-tree.c: Ditto.
9720 * conflict.c: Ditto.
9721 * ggc-page.c: Ditto.
9722 * sched-deps.c: Ditto.
9723 * regclass.c: Ditto.
9724 * tree-object-size.c: Ditto.
9726 * bb-reorder.c: Ditto.
9727 * resource.c: Ditto.
9728 * var-tracking.c: Ditto.
9730 * df-problems.c: Ditto.
9731 * reg-stack.c: Ditto.
9734 * sched-rgn.c: Ditto.
9735 * tree-ssa-structalias.c: Ditto.
9736 * tree-ssa-reassoc.c: Ditto.
9737 * config/darwin-c.c: Ditto.
9738 * config/darwin.c: Ditto.
9739 * config/arm/arm.c: Ditto.
9741 * collect2.c: Ditto.
9744 2006-01-31 Nicolas Pitre <nico@cam.org>
9746 * arm.md (smaxsi3): Make aware of smax_m1.
9749 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9751 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9753 2006-01-31 Richard Guenther <rguenther@suse.de>
9755 * doc/invoke.texi (-msselibm): Document.
9756 * target.h (expand_library_builtin): New target hook.
9757 * builtins.c (expand_builtin): Use expand_library_builtin.
9758 (default_expand_library_builtin): New function.
9759 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9760 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9761 (link_gcc_math_spec): Declare.
9762 (static_specs): Add link_gcc_math_spec.
9763 * expr.h (default_expand_library_builtin): Declare.
9764 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9765 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9766 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9767 * config/i386/i386.opt (msselibm): New target option.
9768 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9769 (ix86_init_sse_abi_builtins): New function.
9770 (ix86_expand_library_builtin): Likewise.
9771 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9772 (override_options): Handle error conditions wrt -msselibm.
9773 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9774 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9775 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9778 2006-01-31 Richard Guenther <rguenther@suse.de>
9779 Paolo Bonzini <bonzini@gnu.org>
9781 * doc/install.texi (--disable-libgcc-math): Document.
9783 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9785 * expr.h (expand_normal): new inline function.
9786 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9788 * dwarf2out.c: use it.
9793 * config/sparc/sparc.c: use it.
9794 * config/i386/i386.c: use it.
9795 * config/rs6000/rs6000.c: use it.
9796 * config/arm/arm.c: use it.
9797 * config/mips/mips.c: use it.
9798 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9800 2006-01-30 Roger Sayle <roger@eyesopen.com>
9802 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9803 argv to the appropriate type.
9805 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9807 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9810 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9813 * config/s390/s390.c (struct machine_function): New flag
9814 decomposed_literal_pool_addresses_ok_p.
9815 (s390_reorg): Set it before final stage of literal pool transforms.
9816 (s390_decompose_address): Only accept displacements of the form
9817 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9819 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9821 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9822 the comparison routine return.
9824 2006-01-30 Michael Matz <matz@suse.de>
9826 * global.c (find_reg): Only evict for global regs.
9827 Take n_refs into account and dump more info.
9829 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9832 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9833 (pragma_trap, pragma_nosave_low_regs): Likewise.
9834 (current_function_anonymous_args): Likewise.
9835 (sh_deferred_function_attributes): New variable.
9836 (sh_deferred_function_attributes_tail): Likewise.
9837 (print_operand): For '@', look up trap_exit attribute.
9838 (calc_live_regs): Look up trapa_handler attribute. For trapa
9839 handlers, save/restore fpscr, but don't do any other
9840 interrupt-specific saves.
9841 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9842 Fix check for partially saved registers to check for SHmedia.
9843 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9844 (sh_output_function_epilogue): Don't clear any of the removed
9846 (sh_insert_attributes): Don't check pragma_interrupt.
9847 Insert deferred attributes. Check that interrupt attribute is
9848 present for other attributes that require its presence.
9849 (sh_attribute_table): Add new attributes trapa_handler and
9851 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9852 Don't check for pragma_interrupt. Don't store argument.
9853 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9854 (sh_deferred_function_attributes): Declare.
9855 (sh_deferred_function_attributes_tail): Likewise.
9856 * sh.md (sp_switch_1): Add operand. Change generator caller.
9857 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9858 (*return_i): Don't use when trap_exit attribute is in effect.
9859 (*return_trapa): New insn pattern.
9861 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9862 setting c_target_objs and cxx_target_objs.
9863 * t-sh: Add rule for sh-c.o.
9865 2006-01-30 Richard Guenther <rguenther@suse.de>
9868 * gimplify.c (gimplify_target_expr): Handle easy cases
9869 without creating a temporary.
9871 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9873 * vec.h (safe_grow): Remove duplicated line.
9875 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9878 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9879 (expand_omp): ... here.
9880 (expand_omp_parallel): Only remove barriers for combined
9881 parallel+workshare constructs.
9883 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9887 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9888 * tree.c (build_qualified_type): Chain the new type to the original
9889 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9890 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9891 (build_pointer_type_for_mode): Only return unqualified types.
9892 (build_reference_type_for_mode): Likewise.
9894 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9896 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9897 * Makefile.in (CXX_COMPAT_WARN): Define.
9898 * configure: Regenerate.
9900 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9903 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9906 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9908 * toplev.c: Fix thinko.
9910 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9911 Marcin Dalecki <martin@dalecki.de>
9913 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9914 (push_srcloc): Use XNEW.
9915 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9917 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9919 * df-core.c (df_set_blocks): Deleted all variable.
9921 2006-01-28 Ian Lance Taylor <ian@airs.com>
9923 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9924 cgraph_output_pending_asms.
9926 2006-01-28 Zack Weinberg <zackw@panix.com>
9928 * c.opt: Add -W(no-)overlength-strings.
9929 * doc/invoke.texi: Document it.
9930 * c-opts.c (c_common_handle_option): -pedantic implies
9931 -Woverlength-strings, if not explicitly disabled already.
9932 (c_common_post_options): -Woverlength-strings defaults to off, and
9933 is always off for C++.
9934 * c-common.c (fix_string_type): Issue warning about strings longer
9935 than is portable only if warn_overlength_strings. Rearrange code
9936 a little for clarity.
9937 * configure.in: Check for -Wno-overlength-strings as well before
9938 enabling -pedantic in stage 1.
9939 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9940 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9942 * genconditions.c (write_header, write_one_condition)
9943 (write_conditions, write_writer): Consolidate very long strings
9944 that were broken up to fit in C89 portable limit. Don't use
9945 printf when fputs will do.
9947 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9949 * combine.c (simplify_comparison <AND>): Check
9950 TRULY_NOOP_TRUNCATION before start using a subreg.
9952 * config/mips/mips.md (*branch_zero<mode>,
9953 *branch_zero<mode>_inverted, *branch_equality<mode>,
9954 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9955 Remove mode check from comparisons.
9957 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9959 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9961 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9963 * expmed.c (const_mult_add_overflow_p): Remove.
9964 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9966 * recog.c (validate_replace_rtx_subexp): Remove.
9967 * recog.h: Remove the prototype for
9968 validate_replace_rtx_subexp.
9970 * integrate.h: Remove the prototype for
9971 copy_decl_for_inlining.
9972 * rtl.h: Remove the prototype for mark_constant_function.
9973 * tree-vectorizer.h: Remove the prototype for
9974 vect_strip_conversion.
9976 * modulo-sched.c (create_partial_schedule,
9977 free_partial_schedule, reset_partial_schedule): Make them
9980 * hooks.c (hook_bool_rtx_int_false): Remove.
9981 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9983 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9985 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9986 and -mlong-double-128 are incompatible.
9987 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9988 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9989 (TARGET_LIBGCC2_CFLAGS): Define.
9990 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9991 (TARGET_LIBGCC2_CFLAGS): Same.
9992 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9994 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9997 * c-typeck.c (build_binary_op): Perform implicit casts of
9998 operands before shortening them.
10000 * cfgloopmanip.c (split_loop_bb): Remove.
10001 * cfgloop.h: Remove the prototype for split_loop_bb.
10003 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10004 * cfgloop.h: Remove the prototype for
10005 flow_loop_outside_edge_p.
10007 * emit-rtl.c (init_virtual_regs): Make it static.
10008 * function.h: Remove the prototype for init_virtual_regs.
10010 * recog.c (peephole2_optimize): Make it static.
10011 * recog.h: Remove the prototype for peephole2_optimize.
10013 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10015 * df-scan.c (df_record_entry_block_defs): Check if
10016 INCOMING_RETURN_ADDR_RTX is defined.
10018 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10019 Kenneth Zadeck <zadeck@naturalbridge.com>
10021 PR rtl-optimization/24762
10022 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10023 * targhooks.c (hook_void_bitmap): New hook prototype.
10024 * targhoohs.h (hook_void_bitmap): Ditto.
10025 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10026 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10027 * target.h (live_on_entry): New function pointer.
10028 * df-scan.c (df_all_hard_regs): Removed.
10029 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10030 (df_scan_free_internal): Added df->entry_block_defs.
10031 (df_scan_alloc): Ditto.
10032 (df_scan_dump): Ditto.
10033 (df_uses_record): Plumbed flag field properly thru calls.
10034 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10035 This part fixes PR24762.
10036 (df_bb_refs_record): Added code to make the frame and arg
10037 pointers live in EH blocks.
10038 (df_refs_record): Added call to df_record_entry_block_defs.
10039 (df_record_entry_block_defs): New function.
10040 * df-core.c: Added comments to describe new artifical defs.
10041 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10042 (entry_block_defs): New field in struct df.
10043 (df_all_hard_regs): Deleted.
10044 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10045 * df-problems.c (df_ru_bb_local_compute_process_def):
10046 Added code to handle artifical defs in the entry to a function.
10047 (df_ru_bb_local_compute): Ditto.
10048 (df_rd_bb_local_compute_process_def): Ditto.
10049 (df_rd_bb_local_compute): Ditto.
10050 (df_lr_bb_local_compute): Ditto.
10051 (df_ur_bb_local_compute): Ditto.
10052 (df_urec_bb_local_compute): Ditto.
10053 (df_chain_create_bb): Ditto.
10054 (df_ur_local_finalize): Removed entry.
10055 (df_urec_init): Ditto.
10056 (df_urec_local_finalize): Ditto.
10057 (df_ri_bb_compute): Added detection of last use of pseudos.
10058 * Makefile.in (df-scan.o): Updated dependencies.
10059 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10060 * config/mips/mips.c (mips_set_live_on_entry): Added.
10061 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10063 * dce.c (marked_insn_p): Added code to handle artifical defs.
10065 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10067 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10069 (_mm_cvtsi128_si64): Likewise.
10070 (_mm_cvtsd_si64): Likewise.
10071 (_mm_cvttsd_si64): Likewise.
10072 (_mm_cvtsi64_sd): Likewise.
10073 (_mm_cvtsi64_si128): Likewise.
10074 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10075 (_mm_cvtsi64_m64): Likewise.
10076 (_m_to_int64): Likewise.
10077 (_mm_cvtm64_si64): Likewise.
10078 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10079 (_mm_cvttss_si64): Likewise.
10080 (_mm_cvtsi64_ss): Likewise.
10081 (_mm_cvtss_f32): Likewise.
10083 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10085 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10086 for pragma redefine_extname.
10088 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10091 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10092 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10093 -mno-minimal-toc to previous content.
10094 (bispecs): Remove goal.
10095 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10096 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10097 compatibility aliases on powerpc-*-*gnu*.
10098 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10099 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10100 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10101 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10102 (ldblspecs): New goal.
10103 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10104 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10106 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10107 L_sf_to_tf or L_df_to_tf is defined.
10109 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10110 Alan Modra <amodra@bigpond.net.au>
10113 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10114 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10115 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10116 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10117 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10118 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10119 (rs6000_override_options): Initialize rs6000_ieeequad.
10120 Initialize TFmode format to ibm_extended_format if not
10122 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10124 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10125 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10126 (function_arg_advance): IBM long double passed in two FPRs, not
10128 (function_arg): IBM long double passed in FPRs.
10129 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10130 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10131 Only multireg GPR aligned.
10132 (rs6000_init_libfuncs): Enable IBM long double functions if not
10134 (rs6000_generate_compare): Use IBM long double compare if not
10136 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10137 (TARGET_IEEEQUAD): Define.
10138 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10139 not TARGET_IEEEQUAD.
10140 * config/rs6000/rs6000.md: Enable TFmode patterns if
10142 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10143 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10144 and -mlong-double-128 are incompatible.
10145 * doc/invoke.texi (-mabi): Collect options together. Add
10146 ibmlongdouble and ieeelongdouble.
10148 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10150 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10152 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10153 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10154 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10155 * rtl.h (rtunion_def): Remove rt_ptr.
10157 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10158 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10159 * config/i386/winnt.c (i386_pe_mark_dllexport)
10160 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10162 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10164 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10166 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10170 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10171 pthread_key_delete. From John David Anglin. gthrw-ify
10172 pthread_getunique_np only if it it's not a macro. Delete
10174 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10175 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10176 __gthread_objc_condition_signal, __gthread_key_delete): Add
10177 "__attribute__ ((__unused__))" to unused arguments.
10178 (__gthread_recursive_mutex_init_function): Add missing return.
10179 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10180 gthr-posix95.h: Use macro-based approach for name redirection
10181 on targets missing weakref.
10183 2006-01-26 Zack Weinberg <zackw@panix.com>
10185 * genconditions.c (write_header): In generated code, #ifdef out
10186 all includes and fake declarations, except includes of bconfig.h
10187 and system.h, unless GCC_VERSION >= 3001. Do not include
10188 gensupport.h in any case.
10189 (write_conditions): Generate a definition of struct c_test. Add
10190 a comment to the generated #endif.
10191 (write_one_condition): Escape backslashes in string too.
10192 (write_writer): Generated code must escape backslashes and quote
10193 marks (but not newlines) in the strings it writes.
10194 * Makefile.in (build/gencondmd.o): Update dependencies.
10196 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10199 * Makefile.in (insn-automata.o): Add header file dependencies.
10200 * genautomata.c: Add includes.
10202 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10205 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10207 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10209 * configure.ac: Expect target tools paths to be passed from the toplevel
10210 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10212 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10214 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10217 * c.opt (Wpointer-sign): Init to -1.
10218 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10219 OPT_pedantic, to 0 otherwise.
10220 * doc/invoke.texi: Update.
10222 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10224 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10225 constants provided by 80387 instructions in the destination mode.
10227 2006-01-26 Richard Guenther <rguenther@suse.de>
10228 Andrew Pinski <pinskia@physics.uc.edu>
10231 partial PR tree-opt/17064
10232 * tree-ssa-structalias.c (intra_create_variable_infos):
10233 Create heap variables for incoming parameters if
10234 flag_argument_noalias > 1.
10235 (find_what_p_points_to): Look through default defs of
10238 2006-01-26 Jeff Law <law@redhat.com>
10241 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10242 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10243 within the VR_RANGE, use the VR_RANGE as the result, not the
10245 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10246 bounds for the type.
10248 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10250 * tree-ssa-alias.c (maybe_create_global_var): Change
10251 subvar walking to an assertion that we don't have subvar'd variables.
10253 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10256 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10257 Use a new variable, inner. PARM_DECLs are always non-weak.
10259 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10261 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10262 --disable-checking.
10264 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10266 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10268 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10270 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10271 (smax_insn, smin_insn, smax_0, smin_0): New.
10273 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10276 * config/cris/cris.c (cris_order_for_addsi3): New function.
10277 * config/cris/cris-protos.h: Prototype it.
10278 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10279 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10280 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10281 (split for "op.S1 [rx=rx+i],ry (swapped)")
10282 (split for "op(s|u).S1 [rx=rx+i],ry")
10283 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10284 Apply cris_order_for_addsi3 when generating addsi3 insns.
10286 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10288 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10289 (TREE_BLOCK): Add call to EXPR_CHECK.
10291 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10294 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10295 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10296 (dump_omp_clauses): ... here.
10297 (dump_generic_node): Handle OMP_CLAUSE.
10298 * tree.c (omp_clause_num_ops): New.
10299 (omp_clause_code_name): New.
10300 (tree_code_size): Handle OMP_CLAUSE.
10301 (tree_size): Likewise.
10302 (make_node): Document handling of OMP_CLAUSE.
10303 (tree_node_structure): Handle OMP_CLAUSE.
10304 (omp_clause_check_failed): New.
10305 (omp_clause_range_check_failed): New.
10306 (omp_clause_operand_check_failed): New.
10307 (build_omp_clause): New.
10308 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10309 * tree.h (enum omp_clause_code): Declare.
10310 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10311 (OMP_CLAUSE_RANGE_CHECK): Define.
10312 (OMP_CLAUSE_ELT_CHECK): Define.
10313 (omp_clause_check_failed): Declare.
10314 (omp_clause_operand_check_failed): Declare.
10315 (omp_clause_range_check_failed): Declare.
10316 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10317 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10318 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10319 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10320 (OMP_CLAUSE_IF_EXPR): Likewise.
10321 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10322 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10323 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10324 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10325 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10326 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10327 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10328 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10329 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10330 (OMP_CLAUSE_CODE): Define.
10331 (OMP_CLAUSE_SET_CODE): Define.
10332 (OMP_CLAUSE_CODE): Define.
10333 (OMP_CLAUSE_OPERAND): Define.
10334 (struct tree_omp_clause): Declare.
10335 (union tree_node): Add field 'omp_clause'.
10336 * treestruct.def (TS_OMP_CLAUSE): Define.
10337 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10338 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10339 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10340 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10341 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10342 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10343 (OMP_CLAUSE): Define.
10344 * print-tree.c (print_node): Handle OMP_CLAUSE.
10345 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10346 * c-typeck.c: Likewise.
10347 * gimplify.c: Likewise.
10348 * c-omp.c: Likewise.
10349 * tree-nested.c: Likewise.
10350 * tree-inline.c: Likewise.
10351 * c-parser.c: Likewise.
10352 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10355 2006-01-25 Roger Sayle <roger@eyesopen.com>
10357 PR rtl-optimization/25703
10358 * combine.c (try_combine): Handle zero_extract and strict_low_part
10359 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10361 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10363 * global.c: Fix comment typos.
10365 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10368 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10369 Use output_addr_const instead of assemble_name.
10371 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10373 * Makefile.in (sched-vis.o): Update dependencies.
10374 * haifa-sched.c (sched_finish): Clear current_sched_info.
10375 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10376 (dump_flow_info): Call it.
10377 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10379 * basic-block.h (dump_bb_info): Declare.
10380 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10381 option, and apply options only for dump files whose TDF_RTL,
10382 TDF_TREE, or TDF_IPA bits match.
10383 * rtl.h: Declare new functions exported from sched-vis.c.
10384 * sched-vis.c: Enable also if scheduling is not used.
10385 (print_value): Print the mode of registers if not inside scheduling.
10386 (print_insn): Make it work outside the scheduler. Beautify the output
10388 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10390 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10392 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10393 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10394 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10395 depending on the value of CONSTANT_POOL_ADDRESS_P.
10396 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10398 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10399 rather than SYMBOL_REF_DECL.
10400 (rtx_constant_pool): Remove const_rtx_sym_htab.
10401 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10402 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10403 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10404 Remove handling of const_rtx_sym_htab.
10405 (find_pool_constant): Delete.
10406 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10407 rather than find_pool_constant.
10408 (get_pool_constant_for_function): Delete.
10409 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10410 find_pool_constant.
10411 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10412 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10413 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10414 (SYMBOL_REF_CONSTANT): New macro.
10415 (get_pool_constant_for_function): Delete.
10416 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10417 rather than SYMBOL_REF_DECL.
10418 (i386_pe_mark_dllimport): Likewise.
10419 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10420 rather than SYMBOL_REF_DECL.
10421 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10422 (machopic_indirect_call_target): Likewise.
10424 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10426 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10428 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10430 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10432 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10434 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10436 2006-01-24 David Daney <ddaney@avtrex.com>
10439 * configure.ac (enable_tls): New enable option.
10440 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10441 * configure: Regenerate.
10442 * doc/install.texi (--enable-tls): Document new option.
10443 (--disable-tls): Ditto.
10445 2006-01-24 Richard Henderson <rth@redehat.com>
10447 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10448 * alias.c (true_dependence): Respect it.
10449 (canon_true_dependence, write_dependence_p): Likewise.
10450 * builtins.c (get_builtin_sync_mem): Set it.
10452 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10454 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10457 2006-01-24 DJ Delorie <dj@redhat.com>
10459 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10460 for storing constants in single-bit bitfields.
10462 2006-01-25 Ben Elliston <bje@au.ibm.com>
10464 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10466 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10469 * tree-ssa-pre.c (phi_translate): Return NULL
10470 for AGGREGATE_TYPE's.
10472 2006-01-24 Zack Weinberg <zackw@panix.com>
10474 * genautomata.c (process_state_for_insn_equiv_partition):
10475 Use xcalloc for insn_arcs_array.
10476 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10477 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10479 2006-01-24 Richard Henderson <rth@redhat.com>
10481 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10482 update all callers.
10484 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10486 PR rtl-optimization/25890
10487 PR rtl-optimization/25905
10488 * combine.c (expand_compound_operation, expand_field_assignment):
10489 Fail if the bitfield's final position is out of bounds.
10491 2006-01-24 Ian Lance Taylor <ian@airs.com>
10493 PR middle-end/25930
10494 * cgraphunit.c (cgraph_output_in_order): Don't clear
10495 cgraph_asm_nodes until after asm strings have been output.
10497 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10499 * fix-header.c (read_scan_file): Add new parameter imultilib when
10500 calling register_include_chains.
10502 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10504 * omp-low.c: Update documentation.
10506 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10507 Daniel Berlin <dberlin@dberlin.org>
10511 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10512 return from the function.
10514 2006-01-22 Zack Weinberg <zackw@panix.com>
10516 * rtl.def (match_code): Add second argument.
10517 * genpreds.c (write_extract_subexp): New function.
10518 (write_match_code): Add path argument. Use write_extract_subexp.
10519 (write_predicate_expr): Pass path to write_match_code.
10520 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10521 not perform a mode test.
10522 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10523 a subexpression does not constrain the top-level code set.
10524 * read-rtl.c (read_rtx_variadic): New function.
10525 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10526 * doc/md.texi: Document new notation.
10527 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10528 (cmpsi_operand): ... here, using new notation.
10530 2006-01-22 Zack Weinberg <zackw@panix.com>
10532 * varray.c: Remove GENERATOR_FILE #ifdefs.
10534 2006-01-22 Zack Weinberg <zackw@panix.com>
10536 * genautomata.c (output_reserved_units_table): Emit nothing if
10537 description->query_units_num is zero. Remove extra blank line.
10538 (output_cpu_unit_reservation_p): Short circuit
10539 if description->query_units_num is zero.
10541 2006-01-22 Zack Weinberg <zackw@panix.com>
10543 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10544 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10545 nor any of the random handful of variables that used to be necessary
10546 when this program was linked with rtlanal.o. Prune set of forward
10547 function declarations.
10548 (struct attr_desc): Remove static_p field.
10549 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10550 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10551 (attr_string): Do not read the character one past the length of
10553 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10554 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10555 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10556 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10557 (make_automaton_attrs): New.
10558 (main): Do not call into genautomata. Call local gen_bypass
10559 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10560 Remove special case for insn_alts.
10561 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10562 varray.h (leftover from previous change). Prune set of forward
10563 function declarations. Remove state_alts fields from all
10564 structures. Remove state_alts_table from struct automaton.
10565 Make everything except main static. Do not maintain num_dfa_decls.
10566 Do not maintain state_alts fields of various structures.
10567 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10568 (add_arc): Remove state_alts argument. All callers updated.
10569 (output_reserved_units_table): Emit #ifdef here...
10570 (output_tables): ...not here. Don't generate state_alts tables.
10571 (expand_automata): Don't generate attributes.
10572 (write_automata): Don't generate state_alts functions.
10573 (main): New function.
10574 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10575 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10576 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10577 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10578 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10579 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10580 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10581 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10583 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10584 * genattrtab.h: Delete file.
10585 * Makefile.in (OBJS-common): Add insn-automata.o.
10586 (insn-automata.o): New rule.
10587 (simple_generated_c): Add insn-automata.c.
10588 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10589 (genprogmd): Add automata.
10590 (build/genattrtab): Needs no extra objects nor libraries.
10591 (build/genautomata): Needs build/vec.o and -lm.
10593 2006-01-22 Zack Weinberg <zackw@panix.com>
10595 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10596 (output_dfa_max_issue_rate, locked_states_num): Delete.
10597 (struct automaton): Add locked_states field.
10598 (output_dead_lock_vect): Save number of locked states in
10599 automaton->locked_states. If it is zero, don't print anything.
10600 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10601 (output_internal_dead_lock_func): Only test the dead_lock_vect
10602 for automata that have locked states.
10603 (output_statistics): Always print the number of locked states for
10604 each automaton. Calculate total number of locked states here.
10605 (write_automata): Don't call output_dfa_max_issue_rate.
10606 * genattrtab.c: Define length_unit_log as a const variable.
10607 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10608 max_insn_queue_index const.
10609 * final.c (length_unit_log): Declare const.
10610 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10612 2006-01-22 Zack Weinberg <zackw@panix.com>
10614 * genautomata.c: Include vec.h, not varray.h.
10615 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10616 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10617 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10618 VEC_* macros operating on appropriately typed vectors, or to
10619 malloced arrays when the size is known in advance. Const-ify
10620 many char* variables and function arguments. No functional changes.
10621 * Makefile.in (build/varray.o): Delete rule.
10622 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10623 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10625 2006-01-22 Zack Weinberg <zackw@panix.com>
10627 * gensupport.c: Define get_insn_name and record_insn_name here.
10628 (read_md_rtx): Call record_insn_name as appropriate.
10629 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10630 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10631 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10633 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10634 (BUILD_VARRAY): Delete.
10635 (genprognormal): Rename genprogmd. Fold in all programs from
10636 genprognoprint; also attrtab.
10637 (build/genattrtab): Just mention genautomata.o and varray.o.
10638 Reorganize a bit, add comments to make the categories clearer.
10640 2006-01-22 Zack Weinberg <zackw@panix.com>
10642 * genconditions.c (condition_table, add_condition): Delete.
10643 (write_conditions): Don't emit n_insn_conditions nor
10644 insn_elision_unavailable. Issue the gcc version #ifdef here,
10645 inside the table, with no #else clause ...
10646 (write_header): ...not here.
10647 (write_writer): New function.
10648 (main): Don't initialize condition_table. Use add_c_test.
10650 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10651 files on the command line.
10652 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10653 Return -1 if there is no entry in the table, don't abort.
10654 (add_c_test, traverse_c_tests): New functions.
10655 * gensupport.h (insn_elision_unavailable, insn_conditions)
10656 (n_insn_conditions): Delete declarations.
10657 (add_c_test, traverse_c_tests): Declare.
10658 * read-rtl.c: Include gensupport.h.
10659 (read_conditions): New function.
10660 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10661 (read_rtx_1): If we get EOF when we were looking for an initial
10662 open paren, return 0. Call read_conditions when appropriate.
10663 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10664 dummy-conditions.o. Eliminate references to insn-conditions.o,
10665 or change them to build/gencondmd.o, as appropriate. Remove
10666 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10667 from $(simple_generated_c). For all files remaining in those
10668 two lists, add insn-conditions.md to the generator command line.
10669 Give insn-constants.h/s-constants their own rules. Add rules
10670 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10671 (build/read-rtl.o): Depend on gensupport.h.
10672 (genprognormal): Include preds.
10673 (genprogearly): Rename genprognoprint; only difference is now that
10674 they don't link with $(BUILD_PRINT).
10675 * dummy-conditions.c: Delete.
10677 2006-01-22 Zack Weinberg <zackw@panix.com>
10679 * genextract.c: Don't include insn-config.h. Do include vec.h.
10680 Declare vectors of int, char, and locstr.
10681 (locstr): New typedef.
10682 (struct extraction): Make all array fields into bare pointers.
10683 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10684 (insn_code_number): Delete.
10685 (accum_extract): New struct.
10686 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10687 (gen_insn): Take insn_code_number as an argument. Use an
10688 accum_extract structure instead of loading data directly into
10689 a struct extraction, and having to know how big it might get.
10690 (walk_rtx): Operate entirely on an accum_extract structure.
10691 (print_path): Avoid unnecessary use of printf.
10692 (print_header): New function, split out of main. Distinguish
10693 more carefully between an unrecognizable insn and an insn that
10694 has the code number of a define_expand.
10695 (main): Pass insn_code_number to gen_insn. Call print_header
10696 only after parsing. Avoid unnecessary use of printf.
10697 * Makefile.in (build/vec.o): New rule.
10698 (build/genextract): Depend on build/vec.o.
10699 (build/genextract.o): Don't depend on insn-config.h.
10701 2006-01-22 Zack Weinberg <zackw@panix.com>
10703 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10704 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10705 practical. Eliminate per-generator-program link rules.
10707 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10709 PR middle-end/24437
10710 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10711 with a call expr to ...
10712 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10714 2006-01-23 Richard Guenther <rguenther@suse.de>
10716 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10717 before make_edge with conditional EDGE_TRUE_VALUE.
10719 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10720 Jan Hubicka <jh@suse.cz>
10721 Richard Guenther <rguenther@suse.de>
10723 PR rtl-optimization/25654
10724 * cfgexpand.c (aggregate_contains_union_type): New function.
10725 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10726 for structure variables that contain a union type.
10728 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10730 * gengtype.c (new_structure): Return the structure.
10731 (create_option): Add an extra "next" argument.
10732 (create_field): New function.
10733 (adjust_field_rtx_def): Use create_option and create_field.
10734 Remove a now-unnecessary call to find_structure.
10735 (adjust_field_tree_def): Likewise.
10736 (note_yacc_type): Remove an unnecessary call to find_structure.
10737 * gengtype.h (new_structure): Return the structure.
10738 (create_option): Add an extra argument.
10739 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10740 (option): Adjust calls to create_option.
10742 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10744 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10746 2006-01-22 Paul Brook <paul@codesourcery.com>
10747 Peter Barada <peter@the-baradas.com>
10749 * config/m68k/m68k.md: Add Coldfire FPU support.
10750 Define FP mode macro and associated attributes.
10751 Use it for float mode patterns.
10752 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10753 (LIBCALL_VALUE): Use m68k_libcall_value.
10754 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10755 (m68k_function_value): Ditto.
10756 (emit_move_sequence): Ditto.
10757 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10758 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10759 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10760 (MULTILIB_EXCEPTIONS): Ditto.
10761 * config/m68k/m68k.opt: Add mcfv4e.
10762 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10763 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10764 (m68k_output_function_prologue): Save ColdFire FPU registers.
10765 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10766 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10767 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10768 ColdFire FPU registers.
10769 (m68k_libcall_value, m68k_function_value): New functions.
10770 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10771 (LIBCALL_VALUE): Use m68k_libcall_value.
10772 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10773 (MASK_COLDFIRE): Add MASK_CFV4E.
10774 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10775 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10776 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10777 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10778 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10779 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10780 * doc/invoke.tex: Document -mcfv4e on m68k.
10782 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10784 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10787 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10790 * c-opts.c (c_common_handle_option): Don't include
10791 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10792 * doc/invoke.texi (C++ Dialect Options): Document that
10793 -Wnon-virtual-dtor is no longer included in -Wall.
10795 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10797 * gcov.c (print_version), gcov-dump.c (print_version),
10798 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10801 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10803 * df-scan.c (problem_SCAN): Added NULL reset function.
10804 (df_scan_reset_blocks): Added code to call reset block function
10805 (df_bb_refs_delete) Fixed comment.
10806 (df_insn_refs_delete): Made tolerant of deleting non existent info
10807 for dataflow problems that need to be reset.
10808 * df-core.c (df_set_blocks): Ditto.
10809 * df.h (struct df_problem): Added reset_fun.
10810 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10811 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10812 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10813 functions to clear out all references to def-use or use-def chains.
10815 2006-01-21 Ben Elliston <bje@au.ibm.com>
10817 * varasm.c (assemble_real): Initialise data array.
10819 2006-01-20 Paul Brook <paul@codesourcery.com>
10821 Merge from csl-arm-branch.
10822 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10823 * config/arm/arm.md (movdi): Force operands[1] to a register
10824 if we have a non-register source.
10825 (*arm_movdi, *movdf_soft_insn): Require that one of the
10826 operands be a register.
10827 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10828 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10830 2006-01-20 DJ Delorie <dj@redhat.com>
10832 * varasm.c (initializer_constant_valid_p): Allow pointers
10833 initialized from integer constants of lesser precision.
10834 (output_constant): Allow non-int-sized pointer modes to be
10835 initialized from integer constants.
10837 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10840 * cppdefault.h (struct default_include): Add multilib flag.
10841 * cppdefault.c (cpp_include_defaults): Set it.
10842 * c.opt (-imultilib): New option.
10843 * c-opts.c (imultilib): New.
10844 (c_common_handle_option): Handle -imultilib.
10845 (c_common_post_options): Likewise.
10846 * c-incpath.c (add_standard_paths, register_include_chains):
10848 * c-incpath.h (register_include_chains): Add extra parameter.
10849 * gcc.c (do_spec_1): Generate -imultilib option.
10850 (The Specs Language): Update %I description.
10851 (process_command): Update copyright notice.
10852 * doc/cppopts.texi (-imultilib): Document.
10853 * doc/invoke.texi (-imultilib): Include in option summary.
10854 (%I): Update specs documentation.
10856 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10858 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10860 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10862 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10865 2006-01-20 Richard Guenther <rguenther@suse.de>
10866 Steven Bosscher <stevenb.gcc@gmail.com>
10868 PR rtl-optimization/24626
10869 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10870 EDGE_TRUE_VALUE if in RTL mode.
10873 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10874 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10876 2006-01-20 Dirk Mueller <dmueller@suse.com>
10879 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10880 instead of a special NOP marker.
10881 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10882 NOP marker handling.
10883 * c-common.h (empty_body_warning): Add forward declaration.
10884 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10885 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10887 2006-01-20 Paul Brook <paul@codesourcery.com>
10889 * Makefile.in (lang_checks): Keep going if mkdir fails.
10891 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10893 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10894 be able to clean out basic block when not necessary.
10895 (df_scan_free): Fixed to properly delete information if df is
10896 unused before calling df_finish.
10897 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10898 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10900 (df_bb_refs_delete): New function.
10901 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10902 * df-core.c (df_set_blocks): Added code to properly clean out
10903 unused blocks if they are not part of the blocks to consider.
10904 Added additional null check.
10905 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10906 be able to clean out basic block when not necessary
10907 * df.h (df_free_bb_function): Ditto.
10908 (df_bb_refs_delete): New function.
10909 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10910 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10911 basic block parameter to be able to clean out basic block when not
10913 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10914 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10915 Fixed to properly delete information if df is unused before
10918 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10920 PR rtl-optimization/25799
10921 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10922 Corrected confluence operator to remove bits from op2 before oring
10923 with op1 rather than removing bits from op1.
10924 (df_ru_transfer_function): Corrected test on wrong bitmap which
10925 caused infinite loop. Both of these problems were introduced in
10926 the dataflow rewrite.
10928 2006-01-19 DJ Delorie <dj@redhat.com>
10930 * reload1.c (find_reload_regs): Note the details of reload
10931 failures in the dump file.
10932 (spill_failure): Likewise.
10934 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10936 * loop-iv.c: Include df.h and hashtab.h.
10937 (enum iv_grd_result): New enum.
10938 (DF_REF_IV, DF_REF_IV_SET): New macros.
10939 (struct biv_entry): New.
10940 (df, bivs): New global variables.
10941 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10942 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10944 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10945 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10946 analyzed_for_bivness_p, record_biv): New functions.
10947 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10948 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10949 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10951 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10953 (iv_number_of_iterations): Use new interface to iv analysis.
10954 * loop-unroll.c: Do not include varray.h.
10955 (analyze_iv_to_split_insn): Use new interface to iv
10957 * loop-unswitch.c (may_unswitch_on): Ditto.
10958 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10960 (df_bb_modify): Realloc tables to the new index.
10961 (df_find_use): New function.
10962 * df.h (df_find_use): Declare.
10963 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10965 * cfgloop.h (struct rtx_iv): Remove analysed field.
10966 (iv_get_reaching_def): Removed.
10967 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10968 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10969 (loop-iv.o): Add df.h and hashtab.h dependency.
10970 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10972 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10975 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10977 (__floatundisf, __floatundidf): Likewise.
10978 * libgcc2.h (IS_IBM_EXTENDED): Define.
10980 2006-01-19 DJ Delorie <dj@redhat.com>
10982 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10984 2006-01-19 Paul Brook <paul@codesourcery.com>
10986 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10987 as nothrow when unwinding tables are disabled.
10989 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10992 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10993 of bit-field" when in system header.
10995 2006-01-19 DJ Delorie <dj@redhat.com>
10997 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10998 the 16 bit shift limit of the m16c.
11000 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11003 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11004 * config/i386/i386.c (output_set_got): Output the label if we have one
11005 for the TARGET_DEEP_BRANCH_PREDICTION case.
11007 2006-01-19 Jan Hubicka <jh@suse.cz>
11008 H.J. Lu <hongjiu.lu@intel.com>
11009 Evandro Menezes <evandro.menezes@amd.com>
11011 * invoke.texi (generic): Document
11013 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11014 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11015 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11016 (x86_use_incdec, x86_pad_returns): New variables
11017 (TARGET_CPU_DEFAULT_generic): New constant
11018 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11019 (enum processor_type): Add generic32 and generic64.
11020 * i386.md (cpu attribute): Add generic32/generic64
11021 (movhi splitter): Behave sanely when both partial_reg_dependency and
11022 partial_reg_stall are set.
11023 (K8 splitters): Enable for generic as well.
11024 * predicates.md (incdec_operand): Use TARGET_INCDEC
11025 (aligned_operand): Avoid memory mismatch stalls.
11026 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11027 * ppro.md: Enable for generic32
11028 * i386.c (generic64_cost, generic32_cost): New.
11029 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11030 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11031 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11032 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11033 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11034 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11035 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11036 x86_accumulate_outgoing_args, x86_prologue_using_move,
11037 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11038 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11039 Enable for generic.
11040 (x86_use_incdec, x86_pad_returns): New.
11041 (override_options): Add generic32 and generic64, translate "generic"
11042 to generic32/generic64 and "i686" to "generic32", refuse
11043 "generic32"/"generic64" as arch target.
11044 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11045 (ix86_reorg): Honor PAD_RETURNS.
11047 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11049 * tree-pretty-print.c (dump_generic_node): Handle
11050 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11051 * cgraph.c (cgraph_expand_queue): Rename from
11052 cgraph_analyze_queue. Update all users.
11053 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11054 cgraph_expand_queue.
11055 (cgraph_expand_all_functions): Likewise.
11056 (cgraph_finalize_pending_functions): Remove. Update callers.
11058 * tree.h (OMP_DIRECTIVE_P): Define.
11059 (OMP_PARALLEL_FN): Define.
11060 (OMP_PARALLEL_DATA_ARG): Define.
11061 (OMP_SECTIONS_SECTIONS): Define.
11062 * tree-pass.h (pass_expand_omp): Declare.
11063 * omp-low.c (struct omp_region): Declare.
11064 (struct omp_context): Remove fields 'parallel_type',
11065 'parallel_start_ix' and 'parallel_start_additional_args'.
11067 (struct omp_for_data): Rename from struct expand_omp_for_data.
11068 (omp_regions): New static variable.
11069 (root_omp_region): New static variable.
11070 (find_omp_clause): Make static.
11071 (is_in_combined_parallel_ctx): Remove.
11072 (is_combined_parallel): New.
11073 (extract_omp_for_data): Move earlier in the file.
11074 (workshare_safe_to_combine_p): New.
11075 (get_ws_args_for): New.
11076 (determine_parallel_type): Move earlier in the file.
11077 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11079 (omp_copy_decl): Likewise.
11080 (create_omp_child_function): Likewise.
11081 (lookup_omp_region): New.
11082 (dump_omp_region): New.
11083 (debug_omp_region): New.
11084 (debug_all_omp_regions): New.
11085 (new_omp_region): New.
11086 (scan_omp_parallel): If parallel_nesting_level > 1, the
11087 directive is nested within another parallel directive.
11088 Set OMP_PARALLEL_FN.
11089 (scan_omp_for): Do not try to handle combined parallel+for
11091 Remove FIXME comment.
11092 (scan_omp_nested): Remove.
11093 (scan_omp_1): Do not call scan_omp_nested when
11094 parallel_nesting_level is > 1.
11095 Do not change the DECL_CONTEXT of local variables found.
11096 (lookup_decl_in_outer_ctx): New.
11097 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11098 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11099 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11100 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11101 If CTX is nested, lookup VAR in the outer context when
11102 building copy assignment.
11103 (lower_send_clauses): Rename from expand_send_clauses.
11104 If CTX is nested, lookup VAR in the outer context when
11105 building copy assignments.
11106 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11107 If CTX is nested, lookup VAR in the outer context when
11108 building copy assignments.
11109 (expand_parallel_call): Rename from build_parallel_call.
11110 Handle combined parallel+workshare cases.
11111 Re-implement to emit code into the CFG.
11113 (expand_omp_parallel): Re-implement to emit code into the CFG.
11114 Call move_sese_region_to_fn to outline the sub-graph
11115 containing the parallel region.
11116 (expand_omp_for_1): Remove.
11117 (expand_omp_for_generic): Re-implement to emit code into the
11119 (expand_omp_for_static_nochunk): Likewise.
11120 (expand_omp_for_static_chunk): Likewise.
11121 (expand_omp_for): Likewise.
11122 (expand_omp_sections): Likewise.
11123 (remove_exit_barriers): New.
11124 (expand_omp_synch): New.
11126 (build_omp_regions_1): New.
11127 (build_omp_regions): New.
11128 (execute_expand_omp): New.
11129 (gate_expand_omp): New.
11130 (pass_expand_omp): Define.
11131 (lower_omp_sections): Rename from expand_omp_sections.
11132 Set OMP_SECTIONS_SECTIONS.
11133 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11134 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11135 (lower_omp_single): Rename from expand_omp_simple.
11136 (lower_omp_master): Rename from expand_omp_master.
11137 (lower_omp_ordered): Rename from expand_omp_ordered.
11138 (lower_omp_critical): Rename from expand_omp_critical.
11139 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11140 (lower_omp_for): Re-implement.
11141 (lower_omp_parallel): Re-implement.
11142 (lower_regimplify): Rename from expand_regimplify.
11143 (lower_omp_1): Rename from expand_omp_1.
11144 If there are syntax errors in the program, replace every
11145 OpenMP directive with NOP.
11146 Call lower_omp_* instead of expand_omp_*.
11147 (lower_omp): Rename from expand_omp.
11149 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11150 * tree-gimple.h (enum omp_parallel_type): Remove.
11151 (gimple_boolify): Declare extern.
11152 (find_omp_clause, determine_parallel_type): Remove.
11154 * gimple-low.c (lower_omp_directive): New.
11155 (lower_stmt): Call it.
11156 (record_vars_into): Move from ...
11157 (record_vars): ... here.
11158 Call record_vars_into with current_function_decl.
11160 * gimplify.c (struct gimplify_ctx): Remove fields
11161 combined_pre_p and combined_ctxp. Update users.
11162 (get_formal_tmp_var): Add documentation.
11163 (gimple_boolify): Make extern.
11164 (gimplify_expr_in_ctx): Remove. Update callers.
11165 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11166 will always be a BIND_EXPR.
11167 (gimplify_expr): Handle OMP_RETURN_EXPR.
11168 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11169 (OMP_PARALLEL): Add 3 operands.
11170 (OMP_SECTIONS): Add 1 operand.
11171 (OMP_RETURN_EXPR): Define.
11173 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11174 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11175 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11176 creating a circular free list.
11177 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11179 * tree-flow.h (move_sese_region_to_fn): Declare.
11180 (record_vars_into): Declare.
11181 * tree-cfg.c (make_omp_sections_edges): New.
11182 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11183 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11184 OMP_SECTIONS and OMP_SECTION.
11185 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11186 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11187 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11188 (gather_blocks_in_sese_region): New.
11189 (struct move_stmt_d): Declare.
11190 (move_stmt_r): New.
11191 (move_block_to_fn): New.
11192 (move_sese_region_to_fn): New.
11194 * passes.c (init_optimization_passes): Schedule
11195 pass_expand_omp after pass_init_datastructures.
11197 * tree-ssa-operands.c (get_expr_operands): Handle
11198 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11199 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11201 2006-01-19 Jeff Law <law@redhat.com>
11203 * tree-vrp.c (extract_range_from_assert): Refine the result range
11204 if the variable referenced by the ASSERT_EXPR has a range and
11205 either the tentative result range or the previous range is a
11208 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11210 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11212 2006-01-19 Jan Hubicka <jh@suse.cz>
11214 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11216 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11218 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11219 (expand_compound_operation, expand_field_assignment): Fail if the
11220 bit lengths of an extract operation are out of range.
11221 (make_extraction): Compute wanted_inner_mode based on the position
11222 and length of the extraction. Make it extraction_mode for non-constant
11223 positions, and do not modify offset in that case. When generating a
11224 new MEM, use a mode that can hold the extraction while keeping correct
11225 alignment. Remove code that supported MEMs wrapped by USEs.
11226 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11228 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11230 * config/s390/s390.md ("Y", "y"): New mode attribute.
11231 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11232 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11233 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11234 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11235 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11236 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11237 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11238 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11239 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11240 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11241 "addsi3", "subsi3"): Insn patterns removed.
11242 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11243 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11244 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11245 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11246 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11247 "*sub<mode>3_cconly2"): New insn patterns.
11248 ("addsi3", "subsi3"): New expanders.
11250 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11252 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11253 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11254 existing STMT_VINFO_VECTYPE if available.
11255 (vect_mark_relevant): Add special handling for stmts that are
11256 marked as STMT_VINFO_IN_PATTERN_P.
11257 (vect_analyze_loop): Call vect_pattern_recog.
11258 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11259 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11261 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11262 (vect_recog_func_ptr): New function-pointer type.
11263 * tree-vect-patterns.c: New file.
11264 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11265 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11266 (vect_pattern_recog_1): New functions.
11267 (vect_pattern_recog_funcs): New array of function pointers.
11269 * tree-vectorizer.h (ternary_op): New enum value.
11270 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11271 declaration. Revised documentation. Removed redundant dump prints.
11272 Removed redundant argument. Added support for reduction patterns.
11273 (vectorizable_reduction): Added support for reduction patterns.
11274 (vect_transform_stmt): Added support for patterns.
11276 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11277 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11278 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11279 (expand_widen_pattern_expr): New function.
11280 (init_optabs): Initialize new optabs udot_prod_optab,
11282 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11283 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11284 (expand_widen_pattern_expr): New function declaration.
11285 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11287 * tree-inline.c (estimate_num_insns_1): Added cases for new
11288 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11289 * tree-pretty-print.c (dump_generic_node): Likewise.
11290 (op_prio): Likewise.
11291 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11292 * tree-ssa-operands.c (get_expr_operands): Added case for
11294 * tree-vect-patterns.c (widened_name_p): New function.
11295 (vect_recog_dot_prod_pattern): Added function implementation.
11296 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11297 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11298 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11299 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11301 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11302 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11303 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11304 (init_optabs): Initialize new optabs widen_ssum_optab,
11306 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11307 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11308 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11309 use instead of type of def.
11310 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11311 function implementation.
11312 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11313 widen_ssumv8hi): New.
11315 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11318 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11321 * c-decl.c (add_flexible_array_elts_to_size): New function.
11322 (finish_decl): Use it.
11324 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11326 * diagnostic.h: Include options.h.
11327 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11328 dependancies for diagnostic.h.
11329 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11331 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11333 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11334 (ssa_ro_call_cache_valid): Ditto.
11335 * tree-ssa-alias.c (sort_tags_by_id): New function.
11336 (init_transitive_clobber_worklist): Ditto.
11337 (add_to_worklist): Ditto.
11338 (mark_aliases_call_clobbered): Ditto.
11339 (compute_tag_properties): Ditto.
11340 (set_initial_properties): Ditto.
11341 (compute_call_clobbered): Ditto.
11342 (compute_may_aliases): Call compute_call_clobbered and grouping.
11343 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11344 (compute_flow_insensitive_aliasing): Grouping now happens in our
11346 (setup_pointers_and_addressables): Remove clobbering related code.
11347 (add_may_alias): Ditto.
11348 (replace_may_alias): Ditto.
11349 (get_nmt_for): Ditto.
11350 (create_global_var):
11351 (is_escape_site): Return an escape_type enumeration.
11352 * tree-flow-inline.h (is_call_clobbered): Global var does not
11353 imply call clobbered.
11354 (mark_call_clobbered): Take a reason for marking this. Remove
11355 marking of globalness, and cache invalidation.
11356 (clear_call_clobbered): Remove cache invalidation code.
11357 * tree-dfa.c (dump_variable): If details is on, dump the reason
11359 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11361 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11362 (struct var_ann_d): Ditto.
11363 (enum escape_type): New.
11364 (mark_call_clobbered): Adjust prototype.
11365 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11366 are never call clobbered.
11367 Record reasons for escaping.
11368 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11369 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11370 (ssa_ro_call_cache_valid): Ditto.
11371 (clobbered_v_may_defs): Ditto.
11372 (clobbered_vuses): Ditto.
11373 (ro_call_vuses): Ditto.
11374 (clobber_stats): New.
11375 (init_ssa_operands): Zero out clobber stats.
11376 (fini_ssa_operands): Print out clobber stats.
11377 (get_call_expr_operands): Pass callee fndecl to
11378 add_call_read_ops).
11379 (add_call_clobber_ops): Remove use of cache.
11380 Add use of PURE_CONST information.
11381 (add_call_read_ops): Remove use of cache.
11382 Add use of static not_read information.
11384 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11386 Introduce TLS descriptors for i386 and x86_64.
11387 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11388 (TARGET_ANY_GNU_TLS): New macro.
11389 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11390 (struct machine_function): Add tls_descriptor_call_expanded_p.
11391 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11392 (ix86_current_function_calls_tls_descriptor): Likewise.
11393 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11394 (override_options): Introduce gnu2 tls dialect.
11395 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11397 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11399 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11400 (ix86_init_machine_status): Initialize new field.
11401 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11402 (ix86_tls_module_base): New.
11403 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11404 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11405 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11406 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11407 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11408 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11409 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11410 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11411 * config/i386/predicates.md (tls_modbase_operand): New.
11412 (tp_or_register_operand): New.
11414 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11416 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11417 (look_for_address_of): Ditto.
11418 (ipa_init): Walk the function decls.
11419 (static_execute): Don't set readonly on FUNCTION_DECL's.
11421 2006-01-18 Roger Sayle <roger@eyesopen.com>
11423 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11424 for shifts where the source and destination registers are different.
11426 2006-01-18 Paul Brook <paul@codesourcery.com>
11428 Merge from csl-arm-branch.
11429 2005-03-14 Julian Brown <julian@codesourcery.com>
11430 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11431 (aeabi_llsl): Likewise.
11432 (ashrdi3): Likewise.
11433 (aeabi_lasr): Likewise.
11434 (lshrdi3): Likewise.
11435 (aeabi_llsr): Likewise.
11436 2005-03-10 Julian Brown <julian@codesourcery.com>
11437 * config.gcc: Disable shared libgcc for SymbianOS.
11438 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11440 2006-01-18 DJ Delorie <dj@redhat.com>
11442 * c-pragma.c (handle_pragma_diagnostic): New.
11443 (init_pragma): Register it.
11444 * doc/extend.texi: Document it.
11446 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11447 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11448 (diagnostic_context): Add classify_diagnostic[].
11449 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11450 as errors if they're overridden to DK_WARNING.
11451 (diagnostic_initialize): Initialize classify_diagnostic[].
11452 (diagnostic_set_kind_override): New.
11453 (diagnostic_report_diagnostic): Check for kind changes.
11454 * opts.c (common_handle_option): Take lang_mask. Update callers.
11455 Handle OPT_Werror_.
11456 * common.opt (Werror=): New.
11457 * doc/invoke.texi: Document -Werror=*
11459 2006-01-18 Jeff Law <law@redhat.com>
11461 * tree-vrp.c (test_for_singularity): Correct test for new
11462 min limit. Use operand_equal_p rather than pointer equality
11463 for testing if new min/max values are equal.
11465 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11466 using range information until after propagation and folding.
11468 2006-01-18 Richard Henderson <rth@redhat.com>
11469 Aldy Hernandez <aldyh@redhat.com>
11470 Jakub Jelinek <jakub@redhat.com>
11471 Diego Novillo <dnovillo@redhat.com>
11473 * omp-low.c: New file.
11474 * c-omp.c: New file.
11476 2006-01-18 Richard Henderson <rth@redhat.com>
11477 Jakub Jelinek <jakub@redhat.com>
11478 Diego Novillo <dnovillo@redhat.com>
11480 * doc/invoke.texi: Document -fopenmp.
11481 * tree-dump.h (debug_function): Declare.
11482 * hooks.c (hook_bool_tree_bool_false): New function.
11483 (hook_tree_tree_null): Remove.
11484 (hook_tree_tree_tree_null): New.
11485 * hooks.h: Update to match.
11486 * tree-pretty-print.c (debug_tree_chain): New.
11487 (print_generic_expr): Handle TDF_CHAIN.
11488 (dump_generic_node): Handle BLOCK.
11489 Do not abort with incomplete SWITCH_EXPRs.
11490 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11491 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11492 print space after directive name.
11493 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11494 Handle OMP_MASTER and OMP_ORDERED.
11495 Handle printing of OMP_BODY just in one place, goto
11496 dump_omp_body in the rest of OMP_* nodes that have
11498 Don't handle clause nodes here. Update omp statements to
11499 use dump_omp_clauses.
11500 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11501 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11502 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11503 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11504 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11505 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11506 Adjust output for GOMP_PARALLEL.
11507 (dump_omp_clauses): New.
11508 (print_declaration): Dump DECL_VALUE_EXPR.
11509 (op_symbol_1): Split out of op_symbol.
11510 (dumping_stmts): Remove. Update all users.
11511 * cgraph.c (cgraph_analyze_queue): New.
11512 (cgraph_add_new_function): New.
11513 * cgraph.h (cgraph_analyze_queue): Declare.
11514 (cgraph_add_new_function): Declare.
11515 (cgraph_lower_function): Remove.
11516 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11517 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11518 and TYPE_P nodes in its default clause.
11519 (empty_body_p): New.
11520 (tree_range_check_failed): New.
11521 (build5_stat): New.
11522 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11523 OMP_CLAUSE_REDUCTION_MERGE,
11524 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11525 OMP_CLAUSE_PRIVATE_DEBUG,
11526 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11527 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11528 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11529 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11530 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11531 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11532 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11533 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11534 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11535 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11536 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11537 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11538 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11539 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11540 (TREE_RANGE_CHECK): New.
11541 (empty_body_p): Declare.
11542 (enum omp_clause_default_kind): New.
11543 (build_string_literal): Declare.
11544 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11545 (build5_stat, build5): Declare.
11546 * tree-pass.h (TDF_CHAIN): Define.
11547 * tree-pass.h (PROP_gimple_lomp): Define.
11548 (pass_lower_omp): Declare.
11549 * diagnostic.h (debug_tree_chain): Declare.
11550 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11552 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11553 * builtins.c (build_string_literal): Make extern.
11554 * gcc.c (include_spec_function): New.
11555 (static_spec_functions): Add it.
11556 (main): Move load of libgomp.spec ...
11557 (LINK_COMMAND_SPEC): ... here.
11558 (link_gomp_spec): New.
11559 (static_specs): Include it.
11560 (LINK_COMMAND_SPEC): Add link_gomp.
11561 (GOMP_SELF_SPECS): New.
11562 (driver_self_specs): Include it.
11563 (switch_matches): Don't mark inline.
11564 (main): Load libgomp.spec.
11565 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11566 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11567 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11568 * tree-gimple.h (enum omp_parallel): Declare.
11569 (determine_parallel_type): Declare.
11570 (omp_firstprivatize_variable): Declare.
11571 (omp_reduction_init): Declare.
11572 (diagnose_omp_structured_block_errors): Declare.
11573 (struct walk_stmt_info): Add want_return_expr.
11574 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11575 (find_omp_clause): Declare.
11576 (insert_field_into_struct): Declare.
11577 (struct walk_stmt_info): Move from tree-nested.c
11578 (walk_stmts): Declare.
11579 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11581 * cgraphunit.c (cgraph_lower_function): Make static.
11582 (cgraph_finalize_pending_functions): New.
11583 (cgraph_finalize_function): Call it.
11584 (cgraph_finalize_compilation_unit): Likewise.
11585 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11586 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11587 (BT_FN_UINT_UINT): New.
11588 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11589 DEF_FUNCTION_TYPE_VAR_4): Document.
11590 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11591 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11592 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11593 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11594 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11595 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11596 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11597 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11598 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11599 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11600 into separate files.
11601 (DEF_GOMP_BUILTIN): New.
11602 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11603 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11604 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11605 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11606 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11607 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11608 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11609 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11610 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11611 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11612 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11613 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11614 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11615 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11616 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11617 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11618 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11619 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11620 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11621 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11622 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11623 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11624 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11625 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11626 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11627 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11628 * sync-builtins.def: New file, moved from builtins.def.
11629 * omp-builtins.def: New file, moved from builtins.def.
11630 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11631 * gimple-low.c (lower_function_body): Clear data.
11632 (lower_stmt): Do not handle COMPOUND_EXPR.
11633 Remove call to print_node_brief.
11634 * c-tree.h (c_finish_omp_clauses): New prototype.
11635 (C_DECL_THREADPRIVATE_P): Define.
11636 (lookup_name_no_remap, c_omp_remap_private): Remove
11637 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11638 (check_for_loop_decls): Update decl.
11639 (lookup_name_no_remap, c_omp_remap_private): Declare.
11640 (build_indirect_ref, build_modify_expr, pushdecl,
11641 pushdecl_top_level): Move to c-common.h.
11642 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11643 before the switch, but just in the 2 places that need it.
11644 * c-decl.c (diagnose_mismatched_decls): Do not check for
11645 mismatched thread-local attributes when OLDDECL is marked
11646 threadprivate and NEWDECL has no thread-local attributes.
11647 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11648 (c_gimple_diagnostics_recursively): Rename from
11649 c_warn_unused_result_recursively. Invoke
11650 diagnose_omp_structured_block_errors.
11651 (check_for_loop_decls): Return a singular decl found.
11652 * langhooks.c (lhd_omp_predetermined_sharing): Return
11653 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11654 (lhd_omp_firstprivatize_type_sizes): New.
11655 (lhd_omp_assignment): New.
11656 (lhd_omp_predetermined_sharing): New.
11657 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11658 (struct lang_hooks_for_types): Add
11659 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11660 omp_predetermined_sharing, omp_disregard_value_expr,
11661 omp_private_debug_clause, omp_clause_default_ctor,
11662 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11663 (c_finish_omp_clauses): New.
11664 (c_finish_bc_stmt): Diagnose break within omp for.
11665 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11666 (build_unary_op): Return error_mark after reporting
11668 (build_modify_expr): Likewise.
11669 * gimplify.c: Include optabs.h and pointer-set.h.
11670 (enum gimplify_omp_var_data): Declare.
11671 (struct gimplify_omp_ctx): Declare.
11672 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11674 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11675 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11676 (splay_tree_compare_decl_uid): New.
11677 (new_omp_context): New.
11678 (delete_omp_context): New.
11679 (gimple_add_tmp_var): Call omp_add_variable.
11680 (gimplify_bind_expr): Likewise.
11681 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11682 true, disregard DECL_VALUE_EXPR on the decl if any.
11683 (gimplify_expr_in_ctx): New.
11684 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11685 omp_add_variable, omp_notice_variable, omp_is_private
11686 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11687 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11688 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11689 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11690 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11691 gimplify_omp_atomic): New.
11692 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11693 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11694 OMP_CRITICAL and OMP_ATOMIC.
11695 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11696 * c-pragma.h (enum pragma_kind): Add
11697 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11698 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11699 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11700 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11701 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11702 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11703 PRAGMA_OMP_THREADPRIVATE.
11704 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11705 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11706 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11707 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11708 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11709 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11710 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11711 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11712 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11713 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11714 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11715 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11716 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11718 (struct nesting_info): Add field_map,
11719 suppress_expansion, debug_var_chain.
11720 (create_nesting_tree): Initialize them.
11721 (lookup_field_for_decl): Use field_map.
11722 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11723 (convert_local_omp_clauses): New.
11724 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11725 (walk_body): Split out of walk_function.
11726 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11727 (convert_nonlocal_reference): Handle omp statements.
11728 (convert_local_reference): Likewise.
11729 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11730 (unnest_nesting_tree): New.
11731 (lower_nested_functions): Call it.
11732 (insert_field_into_struct): Make extern.
11733 (struct walk_stmt_info): Move to tree-gimple.h.
11734 (walk_stmts): Make extern.
11735 * omp-builtins.def: New file.
11736 * tree-iterator.c (expr_only): Clarify comment.
11737 * c-common.h (pushdecl_top_level, pushdecl,
11738 build_modify_expr, build_indirect_ref,
11739 c_finish_omp_master, c_finish_omp_critical,
11740 c_finish_omp_ordered, c_finish_omp_barrier,
11741 c_finish_omp_atomic, c_finish_omp_flush,
11742 c_finish_omp_for, c_split_parallel_clauses,
11743 omp_clause_default_kind, c_omp_sharing_predetermined,
11744 c_omp_remap_decl): Declare.
11745 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11746 (OBJS-common): Add omp-low.o.
11747 (c-omp.o, omp-low.o): Add.
11748 (gimplify.o): Add dependency on $(OPTABS_H).
11749 (GTFILES): Add omp-low.c.
11750 (gt-stringpool.h): Add.
11751 * tree-cfg.c (set_bb_for_stmt): Do not update the
11752 block-to-labels map if we are currently expanding to RTL.
11753 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11755 Handle IDENTIFIER_NODE.
11756 (tree_verify_flow_info): Do not ICE when emitting error
11757 messages about invalid labels.
11758 (dump_function_to_file): Reset CFUN before emitting the body
11760 (debug_function): New.
11761 * passes.c (init_optimization_passes): Schedule
11763 * langhooks-def.h (lhd_omp_predetermined_sharing,
11764 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11766 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11767 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11768 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11769 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11770 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11771 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11772 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11773 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11774 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11775 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11776 (LANG_HOOK_DECLS): Use them.
11778 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11779 Richard Henderson <rth@redhat.com>
11780 Jakub Jelinek <jakub@redhat.com>
11781 Diego Novillo <dnovillo@redhat.com>
11783 * c-parser.c (pragma_omp_clause): Define.
11784 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11785 (c_parser_compound_statement): Likewise.
11786 (c_parser_statement): Likewise.
11787 (c_parser_pragma): Handle omp pragmas.
11788 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11789 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11790 (c_parser_omp_clause_name, check_no_duplicate_clause,
11791 c_parser_omp_variable_list,
11792 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11793 c_parser_omp_clause_copyprivate,
11794 c_parser_omp_clause_default,
11795 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11796 c_parser_omp_clause_lastprivate,
11797 c_parser_omp_clause_nowait,
11798 c_parser_omp_clause_num_threads,
11799 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11800 c_parser_omp_clause_reduction,
11801 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11802 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11803 c_parser_omp_atomic, c_parser_omp_barrier,
11804 c_parser_omp_critical, c_parser_omp_flush,
11805 c_parser_omp_for_loop, c_parser_omp_for,
11806 c_parser_omp_master, c_parser_omp_ordered,
11807 c_parser_omp_sections_scope, c_parser_omp_sections,
11808 c_parser_omp_parallel, c_parser_omp_single,
11809 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11810 * c-pragma.c (init_pragma): Do omp pragma registration here.
11811 * c.opt (fopenmp): New flag.
11813 2006-01-18 Eric Christopher <echristo@apple.com>
11815 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11816 * config/darwin.h (GOMP_SELF_SPECS): Define.
11818 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11820 * rtl.h: Remove the prototype for reg_alloc.
11822 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11825 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11826 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11827 sjlj and dwarf2 exception handling.
11828 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11829 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11830 * pa/pa.c (function_value): Treat complex and vector types as
11832 (function_arg): Likewise. Only pass scalar floats in the floating
11833 point argument registers.
11834 * pa/t-slibgcc-dwarf-ver: New file.
11835 * pa/t-slibgcc-sjlj-ver: New file.
11836 * pa/t-slibgcc-elf-ver: Delete file.
11838 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11840 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11841 unlikely_test_section_p test.
11843 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11845 * mode-switching.c (optimize_mode_switching): Make it static.
11846 * basic-block.h: Remove the prototype for
11847 optimize_mode_switching.
11849 * modulo-sched.c (sms_schedule): Make it static.
11850 * rtl.h: Remove the prototype for sms_schedule.
11852 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11853 * rtl.h: Remove the prototype for gcse_after_reload_main.
11855 * reg-stack.c (reg_to_stack): Make it static.
11856 * rtl.h: Remove the prototype for reg_to_stack.
11858 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11860 * rtl.h: Remove the prototypes for regrename_optimize and
11861 copyprop_hardreg_forward.
11863 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11865 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11866 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11867 Test against the appropriate null constant for the mode.
11868 If 'fixup_overlap' is true, swap the operands if they overlap.
11869 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11870 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11871 alpha_split_tmode_pair and adjust for above change.
11872 * config/alpha/alpha.md (movtf_internal): Adjust call to
11873 alpha_split_tfmode_pair and rely on it to swap the operands.
11874 (movti_internal): New insn and post-reload splitter.
11875 (movti): New expander.
11877 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11879 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11882 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11884 * rtlanal.c (global_reg_mentioned_p_1,
11885 global_reg_mentioned_p): Remove.
11886 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11888 * flow.c (initialize_uninitialized_subregs): Make it static.
11889 * rtl.h: Remove the prototype for
11890 initialize_uninitialized_subregs.
11892 * function.c (instantiate_virtual_regs): Make it static.
11893 * function.h: Remove the prototype for
11894 instantiate_virtual_regs.
11896 * regmove.c (regmove_optimize, combine_stack_adjustments):
11898 * rtl.h: Remove the prototypes for regmove_optimize and
11899 combine_stack_adjustments.
11901 2006-01-17 Roger Sayle <roger@eyesopen.com>
11903 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11904 (size_cost): Encode costs in bytes so that a reg-reg addition is
11905 equivalent to COSTS_N_INSNS(1).
11906 (override_options): Use the size_cost.branch_cost as the default
11907 ix86_branch_cost when optimizing for size.
11909 2006-01-18 Ben Elliston <bje@au.ibm.com>
11911 * Makefile.in (D32PBIT_FUNCS): New.
11912 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11913 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11914 D64PBIT_FUNCS and D128PBIT_FUNCS.
11915 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11916 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11918 (decnumber_dep): Define.
11919 * doc/libgcc.texi (Decimal float library routines): New node.
11920 * config/dfp-bit.h, config/dfp-bit.c: New files.
11922 2006-01-18 Ben Elliston <bje@au.ibm.com>
11924 * expr.c (emit_move_change_mode): Always adjust addresses, not
11925 just during reload. Copy replacements only during reload.
11926 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11927 emit_move_via_integer.
11929 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11931 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11932 instead of $(srcdir) and ${srcdir}.
11934 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11937 PR middle-end/11135
11938 * arm.h (struct machine_function): Add pic_reg.
11939 * arm.c (arm_pic_register): Make unsigned.
11940 (arm_override_options): Only set arm_pic_register if
11941 TARGET_SINGLE_PIC_BASE.
11942 (use_return_insn): Only test for a pic register if it is fixed.
11943 (arm_compute_save_reg0_reg12_mask): Likewise.
11944 (thumb_compute_save_reg_mask): Likewise.
11945 (legitimate_pic_operand): Factor out some known invariants.
11946 (legitimize_pic_address): If we don't have a fixed pic register,
11947 then set up a pseudo in the function entry sequence. Handle the
11948 pic base being in a pseudo.
11949 (arm_load_pic_register): Handle the pic register being in a pseudo.
11950 (arm_expand_prologue): Only set up the pic register if it is fixed.
11951 (thumb_expand_prologue): Likewise.
11952 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11953 (pic_load_addr_based_insn): Likewise.
11954 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11957 2006-01-18 Ben Elliston <bje@au.ibm.com>
11959 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11960 decimal float modes for all floating point registers.
11962 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11963 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11965 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11968 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11969 even when the pointer is not NULL.
11971 2006-01-16 Ian Lance Taylor <ian@airs.com>
11973 * common.opt (ftoplevel-reorder): New option.
11974 * cgraph.c (cgraph_asm_nodes): New global variable.
11975 (cgraph_asm_last_node): New static variable.
11976 (cgraph_order): New global variable.
11977 (cgraph_create_node): Set new order field.
11978 (cgraph_varpool_node): Likewise.
11979 (decide_is_variable_needed): Return true if not
11980 flag_toplevel_reorder.
11981 (cgraph_add_asm_node): New function.
11982 * cgraph.h (struct cgraph_node): Add order field.
11983 (struct cgraph_varpool_node): Add order field.
11984 (struct cgraph_asm_node): Define.
11985 (cgraph_asm_nodes, cgraph_order): Declare.
11986 (cgraph_add_asm_node): Declare.
11987 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11989 (cgraph_varpool_assemble_pending_decls): Call it.
11990 (cgraph_output_pending_asms): New static function.
11991 (cgraph_finalize_compilation_unit): Call it.
11992 (struct cgraph_order_sort): Define.
11993 (cgraph_output_in_order): New static function.
11994 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11995 !flag_toplevel_reorder case.
11996 * c-parser.c: Include "cgraph.h".
11997 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11999 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12000 than -fno-unit-at-a-time.
12001 * doc/invoke.texi (Option Summary): Mention
12002 -fno-toplevel-reorder.
12003 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12004 -funit-at-a-time documentation.
12006 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12007 Kazu Hirata <kazu@codesourcery.com>
12009 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12011 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12013 * Makefile.in (FUNCTION_H): New. Use it instead of
12014 function.h throughout the file.
12015 * function.h: Include tree.h.
12017 2006-01-17 Ben Elliston <bje@au.ibm.com>
12019 * recog.c: Separate some functions with whitespace.
12021 2006-01-16 Richard Henderson <rth@redhat.com>
12023 Merge from gomp branch:
12024 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12025 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12026 and rename from struct inline_data. Rename callee* to dst*;
12027 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12028 transform_new_cfg, transform_return_to_modify, and
12029 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12031 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12032 (copy_decl_for_dup): Remove.
12033 * tree-inline.c (struct inline_data): Move to header.
12034 (insert_decl_map): Export.
12035 (remap_decl): Update for member name changes. Use copy_decl hook.
12036 Allow for replacement to be a non-decl. Remove dead code.
12037 (remap_type_1): Check for existing mapping.
12038 (remap_type): Export.
12039 (remap_decls): Update for member name changes.
12040 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12041 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12042 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12043 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12044 (tree_function_versioning, build_duplicate_type): Likewise.
12045 (copy_body_r): Likewise. Export.
12046 (copy_decl_for_dup): Split into ...
12047 (copy_decl_for_dup_finish, copy_decl_to_var,
12048 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12049 (replace_ref_tree, inlining_p): Remove.
12051 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12053 * ifcvt.c (if_convert): Make it static.
12054 * rtl.h: Remove the prototype for if_convert.
12056 * local-alloc.c (local_alloc): Make it static.
12057 * rtl.h: Remove the prototype for local_alloc.
12059 * loop.c (loop_optimize): Make it static.
12060 * cfgloop.h: Remove the prototype for loop_optimize.
12063 2006-01-16 DJ Delorie <dj@redhat.com>
12065 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12068 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12070 * pa.md: Disparage copies between general and floating-point registers
12071 in 32-bit move patterns.
12073 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12076 * Makefile.in (check-%): Depend on site.exp instead of
12077 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12080 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12082 * global.c (global_alloc): Make it static.
12083 * rtl.h: Remove the prototype for global_alloc.
12085 2006-01-16 Richard Guenther <rguenther@suse.de>
12087 * tree-ssa-alias.c (struct used_part): Add write_only field.
12088 (get_or_create_used_part_for): Initialize it to true.
12089 (create_overlap_variables_for): Don't create structure variables
12090 for structures that only are written to.
12091 (find_used_portions): Handle MODIFY_EXPR to track whether a
12092 structure is only written to.
12094 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12096 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12098 * basic-block.h: Remove the prototype for
12099 partition_hot_cold_basic_blocks.
12101 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12103 * cppspec.c (lang_specific_spec_functions): Remove.
12104 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12105 * gcc.h (lang_specific_spec_functions): Remove.
12106 * gccspec.c (lang_specific_spec_functions): Remove.
12108 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12110 * combine.c (record_value_for_reg): Invalidate registers
12112 (record_dead_and_set_regs_1): Likewise, by passing them to
12113 record_value_for_reg.
12114 (record_dead_and_set_regs): Invalidate stores made by a
12115 call. We do not combine across a call, but we still
12116 relied on equivalences.
12118 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12120 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12121 vrp_int_const_binop returning non-constant nodes.
12123 2006-01-16 Paul Brook <paul@codesourcery.com>
12125 * config/m68k/m68k.c (output_move_const_into_data_reg):
12126 Output correct mnemonic for mvz and mvs.
12128 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12130 * rtl-factoring.c: Add sequence abstraction algorithm.
12131 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12132 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12134 (block_has_preserve_label): New function.
12135 * common.opt: Register new pass.
12136 * Makefile.in: Ditto.
12138 * timevar.def: Ditto.
12139 * tree-pass.h: Ditto.
12140 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12141 * rtl.h (make_jump_insn_raw): Add forward decl.
12142 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12144 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12145 Roger Sayle <roger@eyesopen.com>
12147 * fold-const.c (fold_minmax): New static function.
12148 (fold_binary) <MIN_EXPR>: Call it.
12149 <MAX_EXPR>: Likewise.
12150 * stor-layout.c (place_field): Use DECL_SIZE consistently
12151 in the computation of the new record size.
12153 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12155 * cse.c (cse_condition_code_reg): Make it static.
12156 * rtl.h: Remove the prototype for cse_condition_code_reg.
12158 * combine.c (combine_instructions): Make it static.
12159 * rtl.h: Remove the prototype for combine_instructions.
12161 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12164 * tree.c (get_file_function_name_long): Concatenate the first global
12165 object name with a string derived from the input filename of the object
12168 2006-01-16 Ben Elliston <bje@au.ibm.com>
12170 * config/i386/winnt-stubs.c: Update FSF address.
12171 * config/xtensa/ieee754-df.S: Ditto.
12172 * config/xtensa/ieee754-sf.S: Ditto.
12174 2006-01-14 Ian Lance Taylor <ian@airs.com>
12176 * ifcvt.c (noce_init_if_info): New static function, broken out of
12177 noce_process_if_block.
12178 (noce_process_if_block): Call noce_init_if_info.
12179 (check_cond_move_block): New static function.
12180 (cond_move_process_if_block): New static function.
12181 (process_if_block): Call cond_move_process_if_block.
12183 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12185 * cselib.c (hash_table): Rename to cselib_hash_table.
12186 (cselib_clear_table, discard_useless_values,
12187 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12188 cselib_init, cselib_finish): Adjust uses of hash_table.
12190 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12192 PR tree-optimization/25485
12193 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12194 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12195 is known to be false and true, respectively.
12197 2006-01-14 Richard Guenther <rguenther@suse.de>
12199 PR tree-optimization/22548
12200 PR tree-optimization/22555
12201 PR tree-optimization/22501
12202 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12203 * params.def (salias-max-array-elements): New parameter.
12204 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12205 * doc/invoke.texi (salias-max-array-elements): Document.
12206 * tree-flow-inline.h (var_can_have_subvars): We also handle
12208 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12210 * tree-ssa-structalias.c (params.h): Include.
12211 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12212 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12213 (get_constraint_for): For ADDR_EXPR operating on something
12214 containing an ARRAY_REF, add all subvars to the solution.
12215 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12216 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12217 for creating MUST_DEFs.
12218 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12220 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12222 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12224 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12225 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12226 number_of_iterations_le): New functions.
12227 (number_of_iterations_special): Removed.
12228 (number_of_iterations_exit): Do not use number_of_iterations_special.
12229 * tree.c (unsigned_type_for): Always return integer type.
12231 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12232 Richard Guenther <rguenther@suse.de>
12234 PR rtl-optimization/24257
12235 * gcse.c (find_moveable_store): Only consider a store movable
12236 when the SET_SRC of the insn can be assigned to a register.
12238 2006-01-14 Ian Lance Taylor <ian@airs.com>
12240 * tree.c (tree_not_class_check_failed): New function.
12241 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12242 (tree_not_class_check_failed): Declare.
12244 2006-01-13 Ian Lance Taylor <ian@airs.com>
12246 * reload1.c (do_output_reload): Add assertion rejecting a
12249 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12251 * combine.c (struct reg_stat): Add new fields truncation_label and
12253 (record_value_for_reg): Reset truncated_to_mode.
12254 (record_truncated_value): New function.
12255 (check_promoted_subreg): Call it. Rename to check_conversions.
12256 (combine_instructions): Rename check_promoted_subreg to
12258 (reg_truncated_to_mode): New function.
12259 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12260 (gen_lowpart_or_truncate): New function.
12261 (force_to_mode): Use it instead of gen_lowpart.
12263 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12265 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12266 VAR is a tag, not its type tag.
12268 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12270 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12271 alternatives to match style of other entries.
12272 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12274 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12276 PR tree-optimization/25771
12277 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12280 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12283 * tree-inline.c (declare_return_variable): If the return variable
12284 was marked as a non gimple complex, set the return slot variable
12285 to be a non gimple comple variable.
12287 2006-01-13 Richard Guenther <rguenther@suse.de>
12289 * builtins.c (expand_builtin_sincos): New function.
12290 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12292 (expand_builtin): Expand sincos using expand_builtin_sincos.
12294 2006-01-12 DJ Delorie <dj@redhat.com>
12296 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12297 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12298 so that constant shifts can be split.
12299 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12300 (m32c_valid_pointer_mode): Make static.
12301 (shift_gen_func_for): New.
12302 (m32c_prepare_shift): Use it. Split large const shifts into
12304 * config/m32c/predicates.md (shiftcount_operand): Allow more
12306 (longshiftcount_operand): New.
12307 * doc/md.texi (Machine Constraints): Document In6.
12309 2006-01-13 Ben Elliston <bje@au.ibm.com>
12311 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12312 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12315 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12317 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12318 to try to avoid clobbering pieces of structures when we know
12319 something about the whole structure.
12320 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12322 2006-01-13 Ben Elliston <bje@au.ibm.com>
12324 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12325 return in memory, as this is no limitation is no longer present.
12327 2006-01-12 DJ Delorie <dj@redhat.com>
12329 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12330 mova with fb, and for fb+0 -> An.
12332 * config/m32c/mov.md (peephole2): Fix enabling logic.
12334 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12335 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12336 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12337 FINI_ARRAY_SECTION_ASM_OP): Define.
12339 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12341 (m32c_legitimize_reload_address): New logic to reload FB to An.
12342 (m32c_output_reg_push): Add newline.
12343 (m32c_output_reg_pop): Likewise.
12345 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12347 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12349 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12351 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12353 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12355 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12358 2006-01-11 Ben Elliston <bje@au.ibm.com>
12360 * rtlanal.c (find_reg_note): Assert insn is not null.
12362 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12364 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12367 2006-01-11 Jeff Law <law@redhat.com>
12369 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12371 (mark_threaded_blocks, register_jump_thread): New functions.
12372 (thread_through_all_blocks): Remove unwanted argument. No
12373 longer rely on e->aux to communicate thread target info.
12374 Call mark_threaded_blocks. Release the threaded_blocks
12375 bitmap and threaded_edges vector when complete.
12376 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12377 (threaded_blocks): Remove.
12378 (tree_ssa_dominator_optimize): Remove initialization and
12379 finalization of threaded_blocks. Simplify call to
12380 thread_through_all_blocks.
12381 (thread_across_edge): Call register_jump_thread rather than
12382 storing thread information into e->aux.
12383 (free_all_edge_infos): Simplify now that e->aux is no longer
12384 used to communicate with thread_through_all_blocks.
12385 * tree-flow.h (thread_through_all_blocks): Update prototype.
12386 (register_jump_thread): Prototype.
12388 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12390 * df-core.c (df_compact_blocks, df_bb_replace): Use
12391 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12393 2006-01-11 Richard Guenther <rguenther@suse.de>
12395 PR tree-optimization/25734
12396 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12397 stop propagation after successful propagation to the LHS.
12399 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12401 * basic-block.h (control_flow_graph): Change the type of
12402 x_basic_block_info to VEC(basic_block,gc) *.
12403 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12405 (SET_BASIC_BLOCK): New.
12406 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12407 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12408 * cfgbuild.c (find_basic_blocks): Likewise.
12409 * cfglayout.c (fixup_reorder_chain): Likewise.
12410 * cfgrtl.c (create_basic_block_structure,
12411 rtl_create_basic_block): Likewise.
12412 * ifcvt.c (find_if_case_1): Likewise.
12413 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12416 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12418 * Makefile.in: Removed rotted odf.c entry.
12420 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12423 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12424 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12425 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12426 output pattern modifier, not %e.
12427 * config/cris/cris.c (cris_op_str): Update comment about pattern
12429 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12430 before falling through into...
12431 <case 'E'>: Redefined from old 'e' case.
12433 2006-01-11 Jan Hubicka <jh@suse.cz>
12436 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12438 2006-01-11 Jan Hubicka <jh@suse.cz>
12440 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12441 * i386.c (x86_decompose_lea): Kill.
12442 (ix86_rtx_costs): Kill.
12444 2006-01-11 Jan Hubicka <jh@suse.cz>
12446 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12447 * cgraph.h (cgraph_node): Add inline_decl.
12448 (cgraph_insert_node_to_hashtable): Declare.
12449 (save_inline_function_body): Declare.
12450 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12452 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12453 (cgraph_function_versioning): Update call of tree_function_versioning.
12454 (save_inline_function_body): New function.
12455 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12456 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12457 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12458 (cgraph_default_inline_p): Likewise.
12459 (cgraph_decide_inlining_incrementally): Likewise.
12460 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12461 (copy_bb): Kill saving; do updating of clones.
12462 (copy_cfg_body): Kill saving.
12463 (initialize_inlined-parameters): Likewise.
12464 (expand_call_inline): Likewise.
12466 (tree_function_versioning): New parameter "update_clones".
12467 (inlining_p): Kill saving.
12468 * tree-inline.h (tree_function_versioning): Update prototype.
12469 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12472 2006-01-11 Ian Lance Taylor <ian@airs.com>
12474 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12475 Allow undoing set of machine mode.
12476 (do_SUBST): Use enums instead of is_int.
12477 (do_SUBST_MODE): New function.
12478 (SUBST_MODE): New macro.
12479 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12480 reg and trying to replace reg_regno_rtx with a new register.
12481 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12482 (simplify_set): Use SUBST_MODE.
12483 (distribute_notes): Remove code that tried to update reg notes
12484 for regno_reg_rtx changes.
12486 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12488 PR tree-optimization/23109
12489 PR tree-optimization/23948
12490 PR tree-optimization/24123
12492 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12493 * tree-cfg.c (single_noncomplex_succ): New.
12494 * tree-flow.h (single_noncomplex_succ): Declare it.
12495 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12496 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12497 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12498 insert_bb, register_division_in, insert_reciprocals,
12499 replace_reciprocal, free_bb): New.
12500 (execute_cse_reciprocals_1): Rewritten.
12501 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12502 Do not commit any edge insertion. Always compute dominators and
12503 create the allocation pool.
12504 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12505 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12506 * targhooks.c (default_min_divistions_for_recip_mul): New.
12507 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12508 * passes.c (init_optimization_passes): Run recip after tree loop
12510 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12512 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12513 Kenneth Zadeck <zadeck@naturalbridge.com>
12515 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12516 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12517 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12518 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12519 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12520 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12521 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12522 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12523 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12524 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12525 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12526 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12527 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12528 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12529 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12530 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12531 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12532 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12533 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12534 DF_SCAN_POST_ALLOC): New macros.
12535 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12536 df_free_bb_function, df_local_compute_function, df_init_function,
12537 df_dataflow_function, df_confluence_function_0,
12538 df_confluence_function_n, df_transfer_function,
12539 df_finalizer_function, df_free_function, df_dump_problem_function,
12540 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12541 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12542 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12543 df_urec_bb_info, ) New types.
12544 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12546 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12547 df_analyze_simple_change_some_blocks,
12548 df_analyze_simple_change_one_block, df_compact_blocks,
12549 df_bb_replace, df_bb_regno_last_use_find,
12550 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12551 df_insn_regno_def_p, df_find_def, df_find_use,
12552 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12553 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12554 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12555 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12556 debug_df_chain, df_get_dependent_problem, df_chain_create,
12557 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12558 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12559 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12560 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12561 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12562 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12563 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12564 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12565 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12566 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12567 df_reorganize_refs, df_set_state, df_hard_reg_init,
12568 df_read_modify_subreg_p) New public functions.
12569 * df-core.c: The core dataflow solver and glue routines for rtl
12571 (df_init, df_add_problem, df_set_blocks, df_finish,
12572 df_hybrid_search_forward, df_hybrid_search_backward,
12573 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12574 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12575 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12576 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12577 df_reg_defined, df_find_use, df_reg_used, df_dump,
12578 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12579 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12580 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12581 debug_df_useno, reset_df_after_reload): New functions.
12582 * df-scan.c: The scanning fuctions, once in df.c, completely
12583 rewritten so that they now fully model the functionality of
12584 register usage at the backend.
12585 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12586 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12587 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12588 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12589 df_get_artificial_defs, df_get_artificial_uses,
12590 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12591 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12592 df_refs_delete, df_reorganize_refs, df_set_state,
12593 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12594 df_def_record_1, df_defs_record, df_uses_record,
12595 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12596 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12597 df_record_exit_block_uses, df_hard_reg_init): New functions.
12599 * df-problems.c: Seven concrete dataflow problems that use the
12600 scanning in df-scan.c and are solved by the engine in df-core.c.
12601 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12602 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12603 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12604 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12605 df_ru_free_bb_info, df_ru_alloc,
12606 df_ru_bb_local_compute_process_def,
12607 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12608 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12609 df_ru_transfer_function, df_ru_free, df_ru_dump,
12610 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12611 df_rd_free_bb_info, df_rd_alloc,
12612 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12613 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12614 df_rd_transfer_function, df_rd_free, df_rd_dump,
12615 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12616 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12617 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12618 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12619 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12620 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12621 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12622 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12623 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12624 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12625 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12626 df_urec_mark_reg_use_for_earlyclobber,
12627 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12628 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12629 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12630 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12631 df_chain_create_bb_process_use, df_chain_create_bb,
12632 df_chain_finalize, df_chain_free, df_chains_dump,
12633 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12634 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12635 df_reg_lifetime): New functions.
12636 * df.c: Deleted file.
12637 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12638 consistent with new df api.
12639 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12640 rest_of_handle_sms): Ditto.
12641 * web.c (unionfind_union, union_defs, entry_register, web_main):
12643 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12644 invariant_expr_equal_p, find_defs, check_dependencies,
12645 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12646 free_inv_motion_data, move_loop_invariants): Ditto.
12647 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12648 Update dependencies.
12649 (odf.c): Added defective entry that was deleted later in day.
12650 * sched-deps.c (sched_analyze_1): Ditto.
12652 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12654 * tree-ssa-operands.c (get_expr_operands): Record addressable
12655 variables directly. Do not call add_stmt_operands for CONST_DECLs
12657 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12658 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12660 2006-01-11 Ben Elliston <bje@au.ibm.com>
12662 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12663 function returns true in the positive case.
12665 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12668 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12669 for SI, DI, SF and DF modes. Add alternatives to copy between
12670 general and floating point registers to the 32-bit patterns.
12671 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12672 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12673 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12674 generating 64-bit code.
12675 * config/pa/pa.c (output_move_double): Handle copies between general
12676 and floating registers.
12678 2006-01-10 Stuart Hastings <stuart@apple.com>
12680 * config/i386/i386.md (set_got): Update.
12681 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12682 (builtin_setjmp_receiver): Mach-O support.
12683 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12684 (GOT_SYMBOL_NAME): Define.
12685 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12686 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12687 * config/i386/i386.c (override_options): Revise for Darwin.
12688 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12689 support. (darwin_x86_file_end): New. (output_set_got): Add label
12690 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12691 * config/i386/i386-protos.h (output_set_got): Likewise.
12692 * config/darwin.c (machopic_legitimize_pic_address): Update
12695 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12697 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12698 when MODE isn't BLKmode.
12700 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12702 PR rtl-optimization/25367
12703 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12705 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12708 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12709 for a negative bound.
12711 2006-01-10 Richard Guenther <rguenther@suse.de>
12713 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12714 Never override with anything constraint.
12716 2006-01-10 Jan Beulich <jbeulich@novell.com>
12718 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12719 256 bits when optimize_size.
12721 2006-01-10 Jan Beulich <jbeulich@novell.com>
12723 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12725 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12726 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12729 2006-01-10 Ben Elliston <bje@au.ibm.com>
12731 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12733 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12734 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12735 (USE_FP_FOR_ARG): Reject decimal float modes.
12736 (function_arg_advance): Likewise.
12737 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12738 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12739 point types in AltiVec vectors.
12740 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12741 (rs6000_libcall_value): Likewise.
12743 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12745 * config/xtensa/ieee754-df.S: New file.
12746 * config/xtensa/ieee754-sf.S: New file.
12747 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12748 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12749 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12751 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12753 * config/sh/predicates.md (binary_float_operator,
12754 binary_logical_operator, commutative_float_operator,
12755 equality_comparison_operator, greater_comparison_operator,
12756 less_comparison_operator, logical_operator,
12757 noncommutative_float_operator, shift_operator,
12758 symbol_ref_operand, unary_float_operator): Remove redundant
12761 2006-01-09 Jeff Law <law@redhat.com>
12763 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12764 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12765 now unused arguments. Callers updated.
12766 (eliminate_redundant_computations): Remove now unused arguments,
12768 (local_fold): Remove, no longer used.
12769 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12771 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12772 (simplify_cond): New function.
12773 (forward_propagate_into_cond): Call simplify_cond.
12775 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12777 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12778 (*vec_extractv2di_1_sse): New.
12780 2006-01-09 Ben Elliston <bje@au.ibm.com>
12782 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12784 2006-01-08 Richard Guenther <rguenther@suse.de>
12786 * tree-ssa-structalias.c (get_constraint_for): Remove
12787 anyoffset argument.
12788 (get_constraint_for_component_ref): Likewise.
12789 (do_deref): Likewise.
12790 (get_constraint_for): Likewise.
12791 (do_structure_copy): Likewise.
12792 (handle_ptr_arith): Likewise.
12793 (find_func_aliases): Likewise. Remove unused need_anyoffset
12796 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12797 Kaz Kojima <kkojima@gcc.gnu.org>
12799 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12800 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12801 (EXTRA_CONSTRAINT_C16): Remove.
12802 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12803 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12804 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12805 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12806 constants of SHmedia. Handle nested constant expressions of
12808 (andcosts): Fix the costs for SHmedia constants.
12809 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12810 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12811 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12812 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12813 (movv4hi_i, movv2si_i): Likewise.
12814 (movsi_const): Adjust the second operand of ior so to match with
12815 the Csu constraint.
12816 (movdi_const, movdi_const_32bit): Likewise.
12817 (movdi_const_16bit+1): Don't sign-extend LOW.
12818 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12820 (*double_shori): Fix the split condition. Use GEN_INT instead
12821 of get_int_mode calls. Mask lower 16-bit of the argument of
12823 (sym2GOTPLT): Remove.
12824 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12826 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12827 instead of EXTRA_CONSTRAINT_C16.
12829 2006-01-07 Ian Lance Taylor <ian@airs.com>
12830 David Edelsohn <edelsohn@gnu.org>
12832 PR rtl-optimization/25662
12833 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12834 for constant operands instead of simplify_gen_binary.
12835 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12836 after trying simplify_binary_operation
12838 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12840 * tree.c (iterative_hash_expr): Hash decls based on UID.
12842 2006-01-06 Eric Christopher <echristo@apple.com>
12844 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12845 (TARGET_UNWIND_EMIT): Fix spelling.
12846 * target.h (gcc_target): Add except_table_label.
12847 * except.c (output_function_exception_table): Use.
12848 * varasm.c (default_emit_except_table_label): New.
12849 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12851 (asm_out): Add here.
12852 * output.h (default_emit_except_table_label): Prototype.
12853 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12854 * config/darwin.c (darwin_emit_except_table_label): Define.
12855 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12857 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12859 PR tree-optimization/18527
12860 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12861 number_of_iterations_special, number_of_iterations_exit):
12862 Move base and step of an iv to a single structure. Add
12863 no_overflow flag, and use it in # of iterations analysis.
12864 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12865 folded_casts argument.
12866 (simple_iv): Pass base and step in a structure. Set no_overflow
12868 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12869 Evaluate expensiveness of computing # of iterations instead of
12870 the final expression.
12871 * tree-scalar-evolution.h (affine_iv): New structure.
12872 (simple_iv): Declaration changed.
12873 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12874 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12875 find_givs_in_stmt): Changed due to simple_iv change.
12877 2006-01-06 Jeff Law <law@redhat.com>
12880 * tree-cfg.c (bsi_replace): Rename final argument from
12881 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12882 change (stmt -> orig_stmt).
12883 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12884 (bsi_remove): Add new argument. Remove EH information
12886 (verify_eh_throw_table_statements): New function.
12887 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12889 * tree-optimize.c (execute_free_cfg_annotations): Verify
12890 the EH throw statement table after removing annotations.
12891 * except.h (verify_eh_throw_table_statements): Prototype.
12892 * tree-flow.h (bsi_remove): Update prototype.
12893 * tree-vrp.c (remove_range_assertions): Add new argument to
12895 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12896 * tree-complex.c (expand_complex_div_wide): Likewise.
12897 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12898 * tree-tailcall.c (eliminate_tailcall): Likewise.
12899 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12900 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12901 * tree-nrv.c (tree_nrv): Likewise.
12902 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12903 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12904 (combine_blocks): Likewise.
12905 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12906 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12907 (cleanup_control_flow): Likewise.
12908 (remove_forwarder_block): Likewise.
12909 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12910 * tree-sra.c (sra_replace): Likewise.
12911 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12912 (forward_propagate_single_use_vars): Likewise.
12913 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12914 * tree-inline.c (expand_call_inline): Likewise.
12915 * tree-vect-transform.c (vect_transform_loop): Likewise.
12916 * tree-outof-ssa.c (rewrite_trees): Likewise.
12917 * tree-cfg.c (make_goto_expr_edges): Likewise.
12918 (cleanup_dead_labels): Likewise.
12919 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12920 (bsi_move_before, bsi_move_after): Likewise.
12921 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12922 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12924 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12927 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12929 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12930 on non gimple variables. Also add checks at the top for decls and
12932 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12934 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12935 and IMAGPART_EXPR for creating MUST_DEFs.
12936 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12937 and NAME_MEMORY_TAG separately from the DECLs.
12939 2006-01-06 Richard Guenther <rguenther@suse.de>
12941 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12942 annotation, if necessary.
12943 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12944 redundant calls to update_stmt.
12945 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12948 2006-01-05 Richard Henderson <rth@redhat.com>
12950 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12952 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12954 * c-typeck.c: Update copyright date.
12956 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12958 * c-typeck.c (build_c_cast): Always warn when casting
12959 from a pointer to an integer of different size, even if
12960 the node was constant.
12962 2006-01-05 Richard Guenther <rguenther@suse.de>
12964 PR tree-optimization/22555
12965 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12966 if one structure field is an array.
12967 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12968 operands even if we found a subvar, but ignore VOPs in this
12970 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12972 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12974 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12976 PR middle-end/24998
12977 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12979 2006-01-05 Richard Guenther <rguenther@suse.de>
12980 Diego Novillo <dnovillo@redhat.com>
12982 * tree-pass.h (TODO_remove_unused_locals): Define.
12983 * gimple-low.c (expand_var_p, remove_useless_vars,
12984 pass_remove_useless_vars): Remove. Update all users.
12985 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12986 (remove_unused_locals): New function.
12987 * tree-flow.h (remove_unused_locals): Declare.
12988 * passes.c (execute_todo): Call remove_unused_locals if
12989 TODO_remove_unused_locals is set.
12990 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12991 * tree-ssa-dce.c (pass_dce): Likewise.
12992 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12994 2006-01-05 Richard Guenther <rguenther@suse.de>
12996 * tree-flow.h (struct fieldoff): Decompose field to
12997 type, size and decl.
12998 * tree-ssa-alias.c (create_sft): Take type as parameter.
12999 (create_overlap_variables_for): Store type, size and decl
13000 in the fieldoff structure.
13001 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13002 of struct fieldoff.
13003 (push_fields_onto_fieldstack): Likewise.
13004 (create_variable_info_for): Likewise. Use offset for the
13005 SFT name if the decl is not available.
13007 2006-01-04 Paul Brook <paul@codesourcery.com>
13009 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13011 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13013 * lambda-code.c (can_put_in_inner_loop): Relax
13015 (can_put_after_inner_loop): New function.
13016 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13017 (perfect_nestify): Change to make copies and modify uses.
13019 2006-01-04 Richard Henderson <rth@redhat.com>
13021 Merge from gomp branch:
13022 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13023 via integer constant.
13024 (pragma_lex): Remove.
13025 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13026 rather than parsing it.
13027 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13028 handle_pragma_extern_prefix): Add %< %> quotes.
13029 (registered_pragmas): New.
13030 (c_register_pragma_1): New.
13031 (c_register_pragma): Use it.
13032 (c_register_pragma_with_expansion): Likewise.
13033 (c_invoke_pragma_handler): New.
13034 (init_pragma): Use cpp_register_deferred_pragma directly for
13036 * c-pragma.h (enum pragma_kind): New.
13037 (pragma_handler): New.
13038 (c_invoke_pragma_handler): Declare.
13039 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13041 * c-common.h (c_common_pch_pragma): Update decl.
13042 * Makefile.in (c-parser.o): Update dependencies.
13043 (GTFILES): Add c-pragma.h.
13044 * c-parser.c (struct c_token): Add pragma_kind.
13045 (struct c_parser): Add in_pragma.
13046 (c_lex_one_token): Always initialize keyword and pragma_kind.
13047 Extract data for CPP_PRAGMA.
13048 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13049 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13050 Don't allow CPP_PRAGMA_EOL if in_pragma.
13051 (c_parser_consume_pragma): New.
13052 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13053 (c_parser_skip_to_end_of_parameter): Likewise.
13054 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13055 (c_parser_skip_to_pragma_eol): New.
13056 (c_parser_external_declaration): Handle CPP_PRAGMA.
13057 (c_parser_compound_statement_nostart): Likewise.
13058 (c_parser_statement_after_labels): Likewise.
13059 (c_parser_pragma): New.
13060 (pragma_lex): Likewise.
13061 (c_parser_pragma_pch_preprocess): New.
13062 (c_parser_new): Merge into ...
13063 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13065 2006-01-04 Jeff Law <law@redhat.com>
13068 * tree-cfg.c (bsi_replace): Remove the original statement
13069 from the EH throw statement table.
13071 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13073 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13074 make the prototype extern "C" and add throw ().
13077 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13078 and pos non-negative and pos + len <= 32.
13079 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13080 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13081 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13084 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13085 as well as sizes not multiple of component size.
13088 * function.c (instantiate_expr): New function.
13089 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13090 walk its DECL_VALUE_EXPR with instantiate_expr.
13092 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13093 DW_OP_deref{,_size} if address isn't going to be added.
13095 2006-01-04 Ben Elliston <bje@au.ibm.com>
13097 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13098 * config/fp-bit.c: Likewise.
13100 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13102 * dominance.c: Add comment about why we use DFS numbering
13105 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13106 Richard Henderson <rth@redhat.com>
13108 Merge from gomp-branch:
13109 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13110 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13112 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13114 PR rtl-optimization/25578
13115 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13116 pass a parameter to simplify_shift_const if changing ASHIFTRT
13119 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13121 * builtins.c (get_builtin_sync_mem): New function.
13122 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13123 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13124 Call get_builtin_sync_mem to generate mem rtx.
13126 2006-01-03 Richard Guenther <rguenther@suse.de>
13129 * stmt.c (add_case_node): Make sure to clear overflow flags
13132 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13134 Merge from gomp-branch.
13135 * config/sparc/sync.md: New file.
13136 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13137 UNSPECV_LDSTUB): New constants.
13138 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13139 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13140 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13143 2006-01-03 Roger Sayle <roger@eyesopen.com>
13145 * combine.c (reg_subword_p): New predicate to test whether the
13146 destination of a set refers to a subword/piece of a register.
13147 (try_combine): Generalize the code to merge the setting of a
13148 pseudo to a constant followed by a set of a subword of that
13149 register to a constant.
13151 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13153 * basic-block.h (control_flow_graph): Change the type of
13154 x_label_to_block_map to VEC(basic_block,gc) *.
13155 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13156 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13158 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13159 VEC(basic_block,heap) *.
13160 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13161 ssa_prop_fini): Adjust the uses of cfg_blocks.
13163 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13165 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13167 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13168 hashing trees instead of a pointer hash.
13169 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13170 compare for MEM_EXPR.
13172 PR rtl-optimization/25130
13173 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13174 when comparing MEMs for GCSE
13176 2006-01-03 Ben Elliston <bje@au.ibm.com>
13178 * targhooks.h (default_decimal_float_supported_p): Declare.
13179 * targhooks.c (default_decimal_float_supported_p): Define.
13180 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13181 `default_decimal_float_supported_p'.
13182 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13184 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13186 * combine.c (apply_distributive_law <SUBREG>): Check
13187 TRULY_NOOP_TRUNCATION.
13189 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13191 * dwarf2out.c (have_switched_text_section): Delete.
13192 (have_multiple_function_sections): New.
13193 (have_location_lists): Make 'bool'.
13194 (add_AT_loc_list): Use 'true' not '1'.
13195 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13196 (output_loc_list): Use have_multiple_function_sections.
13197 (output_ranges): Likewise.
13198 (dwarf2out_begin_function): Set have_multiple_function_sections if
13200 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13201 Check function_section rather than DECL_SECTION_NAME.
13202 (dwarf2out_finish): Use have_multiple_function_sections.
13203 Don't clear have_location_lists.
13205 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13206 Jan Hubicka <jh@suse.cz>
13208 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13209 case of conditional jump jumping to the next instruction.
13210 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13211 cases of conditional jump jumping to the next instruction.
13213 2006-01-02 Jan Hubicka <jh@suse.cz>
13215 * i386.c (*_cost): Add COSTS_N_INSNS.
13216 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13218 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13221 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13223 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13225 * config/arm/arm.c (all_fpus): Fix comment typo.
13226 * config/darwin.c: Likewise.
13227 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13228 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13229 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13231 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13233 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13234 (rs6000_split_compare_and_swapqhi): New.
13235 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13236 (sync_compare_and_swapqhi_internal): New.
13237 * config/rs6000/rs6000-protos.h: Declare.