1 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9 signal frames correctly even when the signal was installed with
12 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
15 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
16 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
17 (dbxout_source_line): Use local label LFBB.
18 (dbxout_block): Likewise.
19 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
20 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
21 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
24 2006-07-13 Janis Johnson <janis187@us.ibm.com>
26 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
28 2006-07-13 Jan Hubicka <jh@suse.cz>
30 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
32 * output.h (align_variable): Declare.
33 * varasm.c (align_variable): Export.
34 * value-prof.c (tree_value_profile_transformations): Recompute iterator
35 when basic block changed.
37 2006-07-13 Nick Clifton <nickc@redhat.com>
39 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
40 walking the LOG_LINKS chain.
42 2006-07-12 Geoffrey Keating <geoffk@apple.com>
44 * doc/invoke.texi (C++ Dialect Options): Explain difference
45 between -fvisibility-inlines-hidden and setting hidden
46 visibility explicitly.
48 2006-07-12 Eric Christopher <echristo@apple.com>
50 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
51 (stmp-lipo): Depend on libgcc.a.
53 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
55 * tree.c: Fix a comment typo.
57 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
59 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
61 (umulhisi3_r): Likewise.
63 2006-07-12 Paolo Carlini <pcarlini@suse.de>
66 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
67 x < 19, vs wchar_t support.
69 2006-07-12 Nick Clifton <nickc@redhat.com>
71 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
74 2006-07-12 Mike Stump <mrs@apple.com>
77 * c-parser.c (c_parser_typeof_specifier): Don't use
78 c_finish_expr_stmt, open code desired semantics instead.
80 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
82 2006-07-10 Eric Christopher <echristo@apple.com>
84 * config/t-slibgcc-darwin: Rewrite.
86 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
89 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
92 2006-07-08 Matthias Klose <doko@debian.org>
94 * doc/sourcebuild.texi: Fix typo.
96 2006-07-07 Mike Stump <mrs@apple.com>
98 * toplev.c (process_options): Don't give -ffunction-sections may
99 affect debugging warning for Mach-O.
101 2006-07-07 James E Wilson <wilson@specifix.com>
103 * config/mips/mips.md (cpu): Add sb1a.
104 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
105 addition to sb1. Adjust comments to clarify SB-1A differences from
107 (ir_sb1a_load): New. Modify bypasses to use it.
108 (ir_sb1a_simple_alu): Likewise.
109 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
110 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
111 (mips_issue_rate): Add PROCESSOR_SB1A.
112 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
113 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
114 (TARGET_SB1): Add PROCESSOR_SB1A check.
115 (TUNE_SB1): Likewise.
117 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
118 * config/mips/mips.c (mips_store_data_bypass_p): New.
119 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
122 2006-07-08 Paul Brook <paul@codesourcery.com>
125 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
127 2006-07-07 Richard Guenther <rguenther@suse.de>
130 * tree.h (build_one_cst): Declare.
131 * tree.c (build_one_cst): New function.
132 * tree-ssa-math-opts.c (get_constant_one): Remove.
133 (insert_reciprocals): Use build_one_cst.
134 * fold-const.c (fold_plusminus_mult): Likewise.
136 2006-07-07 Roger Sayle <roger@eyesopen.com>
138 * pointer-set.c (pointer_set_destroy): Correct whitespace.
139 * cfgloopanal.c (dump_graph): Likewise.
140 * dojump.c (discard_pending_stack_adjust): Likewise.
141 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
143 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
144 * function.c (finalize_block_changes): Likewise.
145 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
146 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
147 * rtl.c (dump_rtx_statistics): Likewise.
148 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
150 * varray.c (dump_varray_statistics): Likewise.
151 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
152 decode_decimal64, encode_decimal128, decode_decimal128,
153 decimal_real_to_decimal): Likewise.
155 2006-07-07 Richard Guenther <rguenther@suse.de>
157 PR tree-optimization/28187
158 * tree-vrp.c (vrp_operand_equal_p): New function.
159 (vrp_bitmap_equal_p): Likewise.
160 (update_value_range): Use them to compare old and new
163 2006-07-06 Roger Sayle <roger@eyesopen.com>
165 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
166 a default case to switch statement to silence compiler warnings.
168 2006-07-06 Roger Sayle <roger@eyesopen.com>
171 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
172 the configured assembler supports the x87's ffreep mnemonic.
173 * configure: Regenerate.
174 * config.in: Regenerate.
176 * config/i386/i386.c (output_387_ffreep): New function.
177 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
178 (output_387_reg_move): Likewise.
180 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
182 Port to hosts whose 'sort' and 'tail' implementations
183 treat operands with leading '+' as file names, as POSIX
184 has required since 2001. However, make sure the code still
185 works on pre-POSIX hosts.
186 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
187 which says you should use "tail -c +N" rather than "tail +Nc".
188 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
190 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
192 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
195 2006-07-06 David Edelsohn <edelsohn@gnu.org>
198 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
199 PRE_{INC,DEC} of TFmode.
201 2006-07-06 David Edelsohn <edelsohn@gnu.org>
202 Alan Modra <amodra@bigpond.net.au>
205 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
208 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
211 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
212 Remove duplicate gtu.
214 2006-07-05 Jason Merrill <jason@redhat.com>
218 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
219 * c-common.c (handle_packed_attribute): So don't copy it here.
220 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
222 2006-07-05 Mike Stump <mrs@apple.com>
224 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
226 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
229 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
231 2006-07-05 Richard Guenther <rguenther@suse.de>
234 * config/i386/i386.md (*negdf2_1): Restrict pattern to
235 TARGET_SSE2 targets if using SSE math.
236 (*absdf2_1): Likewise.
238 2006-07-05 Richard Guenther <rguenther@suse.de>
240 PR tree-optimization/28162
241 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
242 make sure to convert the operands to the correct type.
244 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
246 PR tree-optimization/28218
248 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
249 to calculate and free the dominator information.
251 2006-07-04 Peter O'Gorman <peter@pogma.com>
253 * mklibgcc.in: chmod 644 before ranlib during install.
255 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
256 J"orn Rennecke <joern.rennecke@st.com>
258 * configure.ac (.eh_frame data check): Use diff -b.
260 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
263 * Makefile.in (BUILD_RTL): Add build/vec.o.
264 (build/gencondmd.o): Filter out -fkeep-inline-functions.
265 (build/genextract): Delete.
266 (build/genautomata): Likewise.
268 2006-07-04 Alan Modra <amodra@bigpond.net.au>
271 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
272 128-bit IBM long doubles for ABI_V4.
274 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
276 * tree.c (range_in_array_bounds_p): New predicate.
277 * tree.h (range_in_array_bounds_p): Declare it.
278 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
279 return a less conservative answer.
280 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
282 (IS_ELEMENT_FOR_GROUP): New macro.
283 (FOR_EACH_ACTUAL_CHILD): Likewise.
284 (next_child_for_group): New helper function.
285 (can_completely_scalarize_p): Take into account groups.
286 (sra_hash_tree): Handle RANGE_EXPR.
287 (sra_elt_eq): Likewise.
288 (lookup_element): Be prepared for handling groups.
289 (is_valid_const_index): Delete.
290 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
291 instead of is_valid_const_index.
292 <ARRAY_RANGE_REF>: New case.
293 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
294 is_valid_const_index.
295 <ARRAY_RANGE_REF>: Do not unconditionally punt.
296 (scan_dump): Dump info for groups too.
297 (decide_instantiation_1): Likewise.
298 (decide_block_copy): Assert that the element is not a group.
299 Propagate decision to groups.
300 (generate_one_element_ref): Handle RANGE_EXPR.
301 (mark_no_warning): Iterate over actual childs.
302 (generate_copy_inout): Likewise.
303 (generate_element_copy): Likewise.
304 (generate_element_zero): Likewise.
305 (generate_element_init_1): Likewise.
306 (dump_sra_elt_name): Handle RANGE_EXPR.
308 2006-07-03 Roger Sayle <roger@eyesopen.com>
310 PR tree-optimization/26251
311 * tree-ssa-threadupdate.c (redirection_block_p): New function.
312 (thread_block): When optimizing for size refuse to thread jumps
313 that would require duplication of blocks other than redirection
316 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
318 * configure.ac: Fix thinko in previous check-in.
319 * configure: Regenerate.
321 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
324 * configure.ac (for lang...): Simplify nesting of conditionals.
325 Test subdir_requires for non-enabled languages. Move processing
326 of lang_opt_files and lang_tree_fiels below that test.
327 * configure: Regenerate.
328 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
330 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
332 * doc/gcov.texi (Invoking Gcov): Add a missing word.
334 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
336 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
339 2006-06-29 Jason Merrill <jason@redhat.com>
346 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
347 * c-common.c (c_determine_visibility): Handle it here.
348 * c-decl.c (finish_decl): Call c_determine_visibility for
350 * flags.h (enum symbol_visibility): Sort from most to least visibility.
352 * varasm.c (default_assemble_visibility): Likewise.
353 * c-common.c (handle_visibility_attribute): Complain about trying
354 to give visibility to an already defined class, or trying to change
355 declared visibility. Always attach the attribute.
360 * attribs.c (decl_attributes): Ignore type-in-place attributes
361 once the type has been defined.
363 2006-06-29 Roger Sayle <roger@eyesopen.com>
366 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
367 to indicate the cpplib has issued an error message for us.
369 2006-06-29 Asher Langton <langton2@llnl.gov>
372 * config/i386/i386.c (ix86_output_function_epilogue): Don't
373 insert a label at the end of an function under Mach-O.
375 2006-06-29 Eric Christopher <echristo@apple.com>
376 Evan Cheng <evan.cheng@apple.com>
378 * predicates.md (vector_all_ones_operand): New.
379 (nonimmediate_or_sse_const_operand): Ditto.
380 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
381 * config/i386/i386.c (standard_sse_constant_opcode): Define.
382 (standard_sse_mode_p): Ditto.
383 (standard_sse_constant_p): Add case for -1 vector.
384 (ix86_expand_vector_move): Try to use.
385 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
386 Call standard_sse_constant_opcode.
387 (*movv4sf_internal): Ditto.
388 (*movv2df_internal): Ditto.
390 2006-06-29 Roger Sayle <roger@eyesopen.com>
392 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
393 of XEXP to extract the operands of a MATCH_CODE rtx.
395 2006-06-28 Andrew Pinski <pinskia@gmail.com>
397 * tree.c (tree_size): Do not waste tail padding in
398 struct tree_string and make the size be the same as
399 build_string will generate.
401 2006-06-28 Jason Merrill <jason@redhat.com>
404 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
405 may_aliases already in the tag's annotations to the bitmap.
407 2006-06-28 Roger Sayle <roger@eyesopen.com>
409 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
411 2006-06-28 Roger Sayle <roger@eyesopen.com>
413 * genpreds.c (generate_switch_p): New function.
414 (add_mode_tests): Push the new mode test down inside an AND expr
415 if this allows the switch-suitable MATCH_CODE to be near the root.
416 (write_match_code_switch): New function to write a MATCH_CODE as
418 (write_predicate_stmts): New function to write a predicate RTX
419 expression as a sequence of statements.
420 (write_one_predicate_function): Use write_predicate_stmts.
421 (write_tm_constrs_h): Likewise.
423 2006-06-26 Fred Fish <fnf@specifix.com>
425 * config/mips/t-sb1: New file.
426 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
429 2006-06-26 DJ Delorie <dj@redhat.com>
431 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
433 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
434 Jayant Sonar <jayants@kpitcummins.com>
435 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
437 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
438 (subsi3, subsi3_1, subsi3_2): New.
439 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
440 * config/m32c/mov.md (SI mov peephole): New.
441 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
442 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
444 2006-06-26 Olivier Hainque <hainque@adacore.com>
446 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
447 a CALL_EXPR target function declaration.
449 2006-06-26 Richard Guenther <rguenther@suse.de>
451 * tree.c (build_string): Do not waste tail padding in
454 2006-06-26 Richard Guenther <rguenther@suse.de>
456 * ggc-page.c (init_ggc): Add missing element to size_lookup
460 2006-06-23 Richard Guenther <rguenther@suse.de>
462 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
463 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
464 alignment requests instead. Add verification code.
465 Add struct tree_function_decl and struct tree_binfo size to
466 extra_order_size_table. Add missing element to size_lookup
469 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
472 * fold-const.c (const_binop): Be prepared for self returning zero.
473 Simplify code handling complex values.
475 2006-06-24 Olivier Hainque <hainque@adacore.com>
477 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
478 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
481 2006-06-24 Olivier Hainque <hainque@adacore.com>
483 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
484 ARRAY_REF, so have the callback called for the low bound expression.
486 2006-06-23 Janis Johnson <janis187@us.ibm.com>
488 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
489 * c-typeck.c (c_common_type): Disallow operations on decimal float
490 types and other float types.
491 * convert.c (convert_to_real): Don't ignore conversions involving
494 2006-06-23 Olivier Hainque <hainque@adacore.com>
496 * tree.c (max_int_size_in_bytes): New function, inspired from
497 code in function.c:assign_temp.
498 * tree.h (max_int_size_in_bytes): Declare.
499 * function.c (assign_temp): Use it.
500 * gimplify.c (create_tmp_var): Relax the assertions on the type
501 properties, not mandating constant size any more.
502 (force_constant_size): New static function.
503 (gimple_add_tmp_var): Use it, forcing variable size to a
504 constant upper bound if it is not constant on entry.
506 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
509 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
510 for initialization and setting of one_only flag to ...
511 (i386_pe_encode_section_info): ...here.
512 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
513 Recheck that the symbol has not been defined.
515 2006-06-23 Richard Guenther <rguenther@suse.de>
517 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
518 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
519 alignment requests instead. Add verification code.
520 Add struct tree_function_decl and struct tree_binfo size to
521 extra_order_size_table. Add missing element to size_lookup
524 2006-06-22 Roger Sayle <roger@eyesopen.com>
525 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
528 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
529 call to lang_hooks.types.type_for_mode returned NULL_TREE.
531 2006-06-23 Ben Elliston <bje@au.ibm.com>
533 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
534 negate dn -- manipulate it directly.
536 2006-06-22 Roger Sayle <roger@eyesopen.com>
537 Steven Bosscher <stevenb.gcc@gmail.com>
540 * reload1.c (gen_reload): Call mark_jump_label on the new insns
541 generated by gen_move_insn to add REG_LABEL notes if necessary.
543 2006-06-22 Bob Wilson <bob.wilson@acm.org>
545 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
546 (leaf_entry): Remove use of MIN_ESA.
548 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
550 PR rtl-optimization/28121
551 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
554 2006-06-21 DJ Delorie <dj@redhat.com>
556 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
558 (mulhisi3_r): Likewise.
560 2006-06-21 Richard Sandiford <richard@codesourcery.com>
563 * coverage.c (coverage_counter_alloc): Leave the index type
565 (coverage_counter_alloc): Use null arguments for operands 2 and 3
568 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
570 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
571 section from the "Options for Code Generation Conventions".
573 2006-06-21 Richard Henderson <rth@redhat.com>
577 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
579 (global_symbolic_operand): Allow weak symbols, even if local_p.
581 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
583 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
584 (find_interesting_uses_address): Punt if above function returns true.
586 2006-06-21 Richard Guenther <rguenther@suse.de>
588 * configure: Regenerated.
590 2006-06-21 Joseph Myers <joseph@codesourcery.com>
592 * config/mips/mips.c (function_arg): Where one part of a
593 complex argument is in registers and the other part in the stack,
594 return a REG not a PARALLEL.
596 2006-06-21 Mark Mitchell <mark@codesourcery.com>
598 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
599 when cross-compiling. Do not substitute libstdcxx_incdir.
600 * configure: Regenerated.
602 2006-06-21 Jakub Jelinek <jakub@redhat.com>
604 * varasm.c (mergeable_string_section): Check for embedded NULs and
605 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
606 rather than TREE_STRING_LENGTH bytes.
608 2006-06-21 Richard Guenther <rguenther@suse.de>
610 * ggc-page.c (extra_order_size_table): Add var_ann_d,
611 tree_ssa_name, bitmap_element and phi_node with 4 arguments
614 2006-06-21 Richrad Guenther <rguenther@suse.de>
616 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
617 Limit iteration over the dominators.
619 2006-06-20 Roger Sayle <roger@eyesopen.com>
621 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
622 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
624 2006-06-20 Richard Guenther <rguenther@suse.de>
625 Michael Matz <matz@suse.de>
627 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
629 * alloc-pool.c (free_alloc_pool_if_empty): New function.
630 * et-forest.h (et_free_pools): Prototype new function.
631 * et-forest.c (et_free_tree_force): Free parent occurrence.
632 (et_free_pools): New function.
633 * dominance.c (free_dominance_info): Free et-forest alloc
636 2006-06-20 Roger Sayle <roger@eyesopen.com>
638 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
639 integer modes, attempt to directly construct an integer constant.
641 * fold-const.c (native_encode_vector): Determine the size of each
642 element from the vector type instead of the first vector element.
644 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
645 if all of its elements/components are constant.
646 (build_constructor_from_list): Likewise.
648 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
650 PR tree-optimization/27331
651 * tree-data-ref.c (free_data_ref): New function.
652 (create_data_ref): Fail if the data reference has unknown access
654 (free_data_refs): Use free_data_ref.
656 2006-06-19 Andrew Pinski <pinskia@gmail.com>
659 * tree-inline.c (setup_one_parameter): Strip useless
660 type conversion before adding it to the IR.
661 (declare_return_variable): Likewise.
663 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
666 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
668 2006-06-19 Mike Stump <mrs@apple.com>
670 * tree.c (variably_modified_type_p): VM arguments don't make the
673 2006-06-19 Richard Guenther <rguenther@suse.de>
675 * tree-ssa-pre.c (try_combine_conversion): Strip useless
676 type conversions after folding.
678 2006-06-19 Richard Guenther <rguenther@suse.de>
680 * ggc-page.c (extra_order_size_tab): Add entries with
681 size of struct function and basic_block.
682 (size_lookup): Extend to cover sizes up to 511.
683 (ggc_alloc_stat): Adjust user.
684 (ggc_pch_count_object): Likewise.
685 (ggc_pch_alloc_object): Likewise.
686 (ggc_pch_write_object): Likewise.
688 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
690 * tree-ssa-loop-niter.c (implies_ge_p): New function.
691 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
694 2006-06-19 Denis Chertykov <denisc@overta.ru>
696 * config/avr/libgcc.S : Correct my wrong previous commit.
698 2006-06-19 Roger Sayle <roger@eyesopen.com>
701 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
702 have stripped a SUBREG from the shift count, so we may need to
703 convert_to_mode back to the type's mode before calling make_tree.
704 Use new_amount instead of amount to avoid expanding a tree twice.
706 2006-06-19 Richard Guenther <rguenther@suse.de>
709 * fold-const.c (operand_equal_p): Check if the argument types
710 have the same precision before stripping NOPs.
712 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
714 Fix PR tree-optimization/27341
715 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
717 * tree-complex.c (pass_lower_complex): Update SMT usage.
719 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
721 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
722 Add a new alternative to the constraint strings. Add move of
723 operand 1 to 3 to the splitter definition.
724 ("doloop_si_long"): Second contraint alternative removed.
726 2006-06-08 Anatoly Sokolov <aesok@post.ru>
728 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
729 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
731 (AVR_HAVE_MOVW) Define.
732 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
733 (ASM_SPEC): Add avr25.
734 (LINK_SPEC): Add avr25.
735 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
736 (base_arch_s): Add new member 'have_movw_lpmx'.
737 (avr_arch_types): Init 'have_movw_lpmx'.
738 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
739 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
740 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
741 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
742 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
744 (avr_file_start): Do not output '.arh' derective.
745 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
746 (__do_copy_data): Use __AVR_HAVE_LPMX__.
747 * config/avr/avr.md (mcu_enhanced): Delete.
748 (mcu_have_movw): Define.
749 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
750 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
751 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
752 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
753 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
754 attiny861 and at86rf401 devices.
756 2006-06-18 Jie Zhang <jie.zhang@analog.com>
758 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
761 2006-06-17 Karl Berry <karl@gnu.org>
763 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
764 doc/gccint.texi, doc/install.texi (@dircategory): Use
765 "Software development" instead of "Programming", following
766 the Free Software Directory.
768 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
770 * config/i386/i386.c (legitimate_tls_address)
771 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
772 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
773 (*tls_dynamic_gnu2_combine_64): Likewise.
775 2006-06-16 Richard Guenther <rguenther@suse.de>
778 * fold-const.c (negate_expr_p): Do not introduce undefined
779 overflow in negating INTEGER_CSTs.
780 (fold_negate_expr): Rename from negate_expr. Revert last
781 change for folding BIT_NOT_EXPR. Change semantics to
782 return NULL_TREE for non-simplified negations. Do not
783 strip type conversions and unify type handling.
784 (negate_expr): New function, wrap around fold_negate_expr
785 but ensure building a tree always. Strip type conversions
786 here, fold to result type.
787 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
789 2006-06-16 Roger Sayle <roger@eyesopen.com>
792 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
793 that (would) return their results in stack registers.
795 2006-06-16 Michael Matz <matz@suse.de>
796 Richard Guenther <rguenther@suse.de>
798 * fold-const.c (fold_truthop): Only return new tree node if
799 we canonicalized something.
801 2006-06-16 Richard Guenther <rguenther@suse.de>
803 * function.h (enum function_frequency): Move declaration
804 out of struct function.
805 (struct function): Move bool fields and the enum to the bitfield
806 section. Reorder elements to avoid padding. Remove unused
807 fields left over from the RTL inliner removal.
808 * function.c (free_after_compilation): Do not zero removed fields.
809 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
810 (ipa-type-escape.o): Likewise.
812 2006-06-16 Richard Guenther <rguenther@suse.de>
814 * cgraph.h (struct cgraph_local_info): Turn bool elements
816 (struct cgraph_node): Likewise.
817 (struct cgraph_varpool_node): Likewise.
819 2006-06-15 Richard Guenther <rguenther@suse.de>
821 * fold-const.c (fold_truth_not_expr): Rename from
822 invert_truthvalue. Give it fold_* semantics to avoid
824 (invert_truthvalue): New function. Wrapper around
826 (optimize_minmax_comparison): Avoid creating garbage.
827 (fold_unary): Use fold_truth_not_expr for folding
829 (fold_ternary): Replace uses of invert_truthvalue with
830 fold_truth_not_expr where applicable.
831 * tree.h (fold_truth_not_expr): Prototype.
833 2006-06-16 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/27781
836 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
837 * ipa-pure-const.c (target.h): Include.
838 (analyze_function): Do not analyze functions that do not
841 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
844 * tree-dfa.c (referenced_vars_dup_list): Remove.
845 (find_referenced_vars): Remove assert.
846 (referenced_var_check_and_insert): Replace dup list with assert.
847 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
848 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
850 2006-06-15 Richard Guenther <rguenther@suse.de>
852 * tree-ssa-structalias.c (alias_get_name): Avoid creating
853 extra unused identifiers if not dumping.
854 (create_variable_info_for): Likewise.
856 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
858 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
859 (derive_constant_upper_bound): Derive more precise upper bound in
860 common cases. Return type changed to double_int.
861 (record_estimate): Reflect the changed return type of
862 derive_constant_upper_bound.
863 * double-int.c (double_int_zext, double_int_sext): Fix.
865 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
867 * configure.ac (CFLAGS): Get them from the toplevel or from the
868 configure invocation.
869 * configure: Regenerate.
870 * Makefile.in (CFLAGS): Substitute value provided by configure.
872 2006-06-14 Mark Mitchell <mark@codesourcery.com>
875 * c-common.h (c_finish_omp_atomic): Adjust declaration.
876 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
877 rather than calling add_stmt on it.
878 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
880 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
883 * reload1.c (reload): Remove registers returned by update_eliminables
884 from used_spill_regs.
886 2006-06-13 DJ Delorie <dj@redhat.com>
888 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
890 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
892 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
893 html__strip_dir, html__mkdir_p. Enhance install-html target.
894 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
895 * configure: Regenerate.
897 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
899 * fold-const.c (fold_cond_expr_with_comparison): Check for
900 Objective-C++ as language in deciding COND_EXPR transformation.
902 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
905 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
906 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
907 * config/sh/lib1funcs.h (SL, SL1): Define.
908 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
909 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
910 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
911 (OBJS_Os_4_200): New variable.
912 ($(T)libgcc-Os-4-200.a): Use it.
913 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
914 when dividing 1 and/or by 0.
916 2006-06-13 Roger Sayle <roger@eyesopen.com>
918 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
919 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
920 * configure: Regenerate.
922 2006-06-13 Jie Zhang <jie.zhang@analog.com>
924 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
925 for real instruction.
927 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
930 * haifa-sched.c (check_cfg): Handle special case.
932 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
935 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
936 Add debug_info parameter. Chain the vars to the BLOCK instead
937 of the BIND_EXPR if debug info are requested for them.
938 (pop_gimplify_context): Adjust for above change.
939 (gimple_add_tmp_var): Likewise.
940 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
942 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
943 (convert_local_reference): Likewise.
944 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
945 (finalize_nesting_tree_1): Request that debug info be emitted
948 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
950 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
953 2006-06-13 Richard Guenther <rguenther@suse.de>
956 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
958 2006-06-13 Richard Guenther <rguenther@suse.de>
960 PR tree-optimization/27830
961 * tree-inline.c (copy_body_r): For copying the operand
962 of an ADDR_EXPR make sure to fold &* afterwards.
964 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
966 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
967 lvalues in the fb_none case with side-effects.
969 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
971 * tree-flow.h: Remove the prototype for
972 compute_phi_arg_on_exit.
973 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
974 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
977 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
979 * builtins.c (expand_builtin_return_addr): Only use
980 frame_pointer_rtx when count == 0 and we are expanding
981 __builtin_return_address.
983 2006-06-12 Fred Fish <fnf@specifix.com>
985 * config/mips/mips.c (mips_file_start): Create special section
986 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
988 2006-06-11 Eric Christopher <echristo@apple.com>
991 * stor-layout.c (place_field): Remove check for
992 remaining_in_alignment when aligning at the end of a run.
994 2006-06-11 Eric Christopher <echristo@apple.com>
997 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1000 2006-06-11 Roger Sayle <roger@eyesopen.com>
1003 Revert incorrect fix for PR target/27158
1004 2006-05-08 Roger Sayle <roger@eyesopen.com>
1005 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1006 of a reg_equiv_constant if the result is a legitimate constant.
1008 2006-06-11 Roger Sayle <roger@eyesopen.com>
1011 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1012 extract a CONST_VECTOR element and interpret it as an integer.
1013 (vspltis_constant): Use const_vector_elt_as_int instead of the
1014 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1015 * config/rs6000/predicates.md (easy_vector_const): Consider
1016 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1018 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1021 * stor-layout.c (update_alignment_for_field): Don't add extra
1022 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1025 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1027 * config/mips/t-rtems: Add EL/EB multilib variants.
1029 2006-06-09 Mike Stump <mrs@apple.com>
1031 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1033 2006-06-09 David Daney <ddaney@avtrex.com>
1035 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1037 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1039 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1041 2006-06-09 Richard Guenther <rguenther@suse.de>
1043 PR tree-optimization/26998
1044 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1045 of signed types, only TYPE_MIN_VALUE is special, but for both,
1046 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1047 in this case, as is -fwrapv.
1049 2006-06-08 Mike Stump <mrs@apple.com>
1052 * config/darwin.c (darwin_asm_output_anchor): Disable
1053 -fsection-anchors on darwin for now.
1054 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1055 * rs6000/rs6000.c (optimization_options): Likewise.
1057 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1060 * config/i386/i386.c (classify_argument): Skip fields with invalid
1063 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1065 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1066 (cse_insn): Likewise for the stack_pointer_rtx.
1068 2006-06-08 Roger Sayle <roger@eyesopen.com>
1070 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1071 conditions from floating point comparisons.
1073 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1076 * expmed.c (struct alg_hash_entry): Fix type of field T
1077 to match synth_mult argument.
1078 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1080 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1083 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1086 2006-06-08 Richard Guenther <rguenther@suse.de>
1089 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1090 only, if overflow is defined and not trapping.
1091 (negate_expr): Likewise.
1093 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1095 PR tree-optimization/27872
1096 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1097 flag on the new exit edge of the unrolled loop.
1099 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1101 PR rtl-optimization/26449
1102 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1104 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1107 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1108 referenced_variables with matching DECL_UID's.
1109 (find_referenced_vars): Make sure duplicate list is empty to start.
1110 (referenced_var_p): Remove.
1111 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1112 Check if var is in the list, and add if needed. Update the duplicate
1113 list if a different var is in the list with the same DECL_UID.
1114 (add_referenced_var): Call routine to check and insert.
1115 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1116 * tree-flow.h (referenced_vars_dup_list): External declaration.
1118 2006-06-07 Fred Fish <fnf@specifix.com>
1120 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1123 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1126 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1127 the imaginary and real parts of a clobbered register.
1128 Emit insn to set the imaginary part.
1130 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1132 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1133 in lieu of unwind-dw2-fde.c.
1135 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1137 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1139 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1142 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1143 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1144 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1145 V4SImode temporaries and operations instead.
1147 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1149 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1152 2006-06-06 Mike Stump <mrs@apple.com>
1154 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1155 installing during build.
1157 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1159 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1161 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1162 * config/ia64/ia64.c (params.h): New header.
1163 (ia64_optimization_options): New function to adjust parameters.
1164 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1165 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1166 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1168 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1170 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1172 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1175 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1177 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1178 Victor Kaplansky <victork@il.ibm.com>
1180 PR tree-optimization/26360
1181 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1184 2006-06-04 Roger Sayle <roger@eyesopen.com>
1185 Andrew Pinski <pinskia@physics.uc.edu>
1188 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1189 for LABEL_DECL before calling DECL_WEAK.
1192 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1193 LABEL_DECL and PARM_DECL.
1195 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1199 * c-decl.c (grokdeclarator): Disallow variably modified types at
1200 file scope. Avoid marking shared array type of constant size as
1203 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1206 * c-common.c (fold_offsetof_1): Handle static members.
1208 2006-06-04 Eric Christopher <echristo@apple.com>
1210 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1211 (debug_rli): Output value for remaining_in_alignment.
1212 (update_alignment_for_field): Unconditionalize
1213 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1214 extra alignment code.
1215 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1216 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1217 * tree.h (record_layout_info_s): Remove prev_packed.
1218 * doc/extend.texi (ms_struct): Add documentation of format.
1220 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1222 * tree.h: Declare folding_initializer.
1223 * builtins.c (fold_builtin_constant_p): Give definite answer
1224 if folding inside an initializer.
1225 * fold-const.c: Define folding_initializer.
1226 (START_FOLD_INIT): Save and then set folding_initializer.
1227 (END_FOLD_INIT): Restore folding_initializer.
1229 2006-06-04 Richard Guenther <rguenther@suse.de>
1231 PR tree-optimization/27039
1232 * fold-const.c (fold_comparison): Handle pointer comparison
1233 again for all comparison codes. Compare offsets in signed
1235 (fold_binary): Move code from here.
1237 2006-06-03 Roger Sayle <roger@eyesopen.com>
1240 * config/i386/i386.c (construct_container): Split static issued_error
1241 flag into issued_sse_arg_error, issued_sse_ret_error and
1242 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1243 requires the use of x87 registers and the user explicitly
1244 specified the -mno-80387 command line option.
1246 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1248 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1249 HAVE_DECL_SIGALTSTACK.
1251 (segv_handler): Use MC_FLD.
1252 * configure.ac: Check for a sigaltstack declaration.
1253 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1254 * configure: Regenerate.
1255 * config.in: Regenerate.
1257 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1260 * Makefile.in (stmp-fixinc): Fix typo.
1262 2006-06-02 Roger Sayle <roger@eyesopen.com>
1264 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1265 are type correct. Clean-up.
1266 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1267 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1269 2006-06-01 DJ Delorie <dj@redhat.com>
1271 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1272 shift, as we've disabled the "switch" insn that needs it.
1274 2006-06-01 Per Bothner <bothner@bothner.com>
1276 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1277 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1278 * c-ppoutput.c (cb_define): Don't increment line 0.
1280 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1282 * doc/invoke.texi: Add cpu_type power6.
1283 * config.gcc: Add cpu_type power6.
1284 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1285 to power5+ with Altivec.
1286 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1287 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1289 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1291 * config/avr/avr.h (SET_ASM_OP): Define.
1293 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1295 * config/bfin/bfin.c: Fix comment typos.
1297 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1300 * doc/install.texi: Document --enable-bootstrap and
1301 --disable-bootstrap.
1303 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1305 * doc/install.texi: Document that InfoZIP can replace jar.
1307 2006-05-31 Roger Sayle <roger@eyesopen.com>
1309 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1310 isn't available, directly generate the simpler x87 patterns without
1311 the (use (const_int 0)).
1312 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1313 implementation isn't available.
1314 (*negdf2_1): Likewise.
1315 (*negxf2_1): XF mode negation is always done using the x87.
1316 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1318 2006-05-31 Roger Sayle <roger@eyesopen.com>
1320 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1321 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1323 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1325 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1327 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1328 * config/bfin/bfin.c (basic-block.h): Include.
1329 (struct machine_function): New.
1330 (bfin_init_machine_status): New.
1331 (override_options): Initialize init_machine_status.
1332 (bfin_hardware_loop): New.
1333 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1334 (DEF_VEC_P (loop_info)): New.
1335 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1336 (struct loop_info): New.
1337 (loop_info): New typedef.
1338 (struct loop_work): New.
1339 (loop_work): New typedef.
1340 (DEF_VEC_O (loop_work)): New.
1341 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1342 (bfin_dump_loops): New.
1343 (bfin_bb_in_loop): New.
1344 (bfin_scan_loop): New.
1345 (bfin_optimize_loop): New.
1346 (bfin_reorg_loops): New.
1347 (bfin_reorg): Use bfin_reorg_loops.
1348 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1350 (I_REGNO_P): Simplify.
1351 (DP_REGNO_P, DPREG_P): New macros.
1352 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1353 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1354 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1355 Add LT_REGS, LC_REGS, LB_REGS.
1356 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1358 (REGNO_REG_CLASS): Deal with loop registers.
1359 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1361 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1362 New constants for loop registers.
1363 (UNSPEC_LSETUP_END): New.
1364 (seq_insns): New define_attr. Set it for appropriate insns.
1365 (movsi_insn): Add alternatives for move from/to
1366 loop count registers.
1367 (doloop_end): New define_expand.
1368 (loop_end): New define_insn.
1369 (define_split for bad doloop_end): New.
1370 (lsetup_with_autoinit): New define_insn.
1371 (lsetup_without_autoinit): New define_insn.
1372 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1373 * config/bfin/predicates.md (lc_register_operand): New.
1374 (lt_register_operand): New.
1375 (lb_register_operand): New.
1376 (nondp_register_operand): New.
1377 (nondp_reg_or_memory_operand): New.
1378 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1380 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1382 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1383 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1385 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1387 * Makefile.in (CATALOGS): Add po/ prefix.
1388 * configure: Regenerated.
1390 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1393 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1394 a shift operand before calling shift_op. Avoid redundant call of
1397 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1398 DJ Delorie <dj@redhat.com>
1400 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1401 we're inserting is a singlt-bit constant.
1403 2006-05-30 Roger Sayle <roger@eyesopen.com>
1405 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1406 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1408 2006-05-30 Roger Sayle <roger@eyesopen.com>
1410 PR tree-optimization/23452
1411 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1412 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1413 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1414 complex values and with -ffast-math for FP complex values.
1416 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1418 * c-common.h: Remove the prototype for yyparse.
1419 * rtl.h: Remove the prototype for init_loop.
1421 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1423 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1426 2006-05-30 Roger Sayle <roger@eyesopen.com>
1428 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1430 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1431 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1433 2006-05-30 Dirk Mueller <dmueller@suse.de>
1436 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1437 for CONSTANT_CLASS_P expresisons.
1439 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1442 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1444 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1446 PR tree-optimization/27779
1447 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1448 initial_condition instead of CHREC_LEFT.
1450 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1452 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1453 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1454 Make prototypes ISO C90.
1456 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1457 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1459 * see.c (see_analyze_one_def): Correct check.
1460 (see_get_extension_data): Check if extension is parallel.
1461 (see_get_extension_reg): Likewise.
1463 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1466 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1467 into register for (code == GTU).
1469 2006-05-29 Roger Sayle <roger@eyesopen.com>
1471 PR tree-optimization/24964
1472 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1473 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1474 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1475 abs(x)*abs(x) as x*x for scalar floating point modes.
1477 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1480 * lambda-code.c (perfect_nestify): Don't copy statements
1481 in the inner loop: move them to the inner loop header.
1483 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1486 * c-tree.texi: Document OpenMP directives and clauses.
1488 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1490 * varasm.c (globalize_decl): Fix indentation.
1492 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1495 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1496 pass_fre, pass_store_ccp, pass_copy_prop,
1497 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1498 pass_return_slot, pass_object_size, pass_lim,
1499 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1500 pass_loop_prefetch and pass_stdarg.
1502 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1504 * config/bfin/bfin.opt (mfdpic): New option.
1505 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1506 (EXTRA_MULTILIB_PARTS): Likewise.
1507 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1508 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1510 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1511 (CRT_CALL_STATIC_FUNCTION): New.
1512 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1514 (CRT_CALL_STATIC_FUNCTION): New.
1515 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1517 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1518 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1519 (initialize_trampoline): Changed to handle FD-PIC code generation.
1520 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1521 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1522 (override_options): Disallow -mid-shared-library -mfdpic combination.
1523 Can't do unaligned ops if FD-PIC.
1524 Turn off flag_pic if trying to generate non-id-shared-library
1525 non-fdpic code, since it's not supported.
1526 (bfin_assemble_integer): New function.
1527 (TARGET_ASM_INTEGER): Define.
1528 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1530 * config/bfin/crtn.s: Restore them.
1531 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1533 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1534 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1535 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1536 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1537 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1539 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1540 FDPIC_REGS and FDPIC_FPTR_REGS.
1541 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1542 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1543 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1544 (load_funcdescsi): New pattern.
1545 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1546 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1547 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1549 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1551 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1554 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1556 * tree-flow.h: Remove the prototype for add_type_alias.
1557 * tree-ssa-alias.c (add_type_alias): Remove.
1559 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1561 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1562 config/fr30/fr30.md, config/i386/i386-interix.h,
1563 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1564 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1565 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1566 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1567 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1568 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1569 Follow spelling conventions.
1570 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1571 Follow spelling conventions.
1573 2006-05-27 Richard Guenther <rguenther@suse.de>
1576 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1577 to produce a constant of value 1 of generic type.
1579 2006-05-27 Dirk Mueller <dmueller@suse.de>
1581 * cgraphunit.c (decide_is_function_needed): Fix wrong
1584 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1586 PR rtl-optimization/27661
1587 * reload.c (find_reloads): When reloading a VOIDmode constant
1588 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1589 use Pmode as mode of the reload register.
1591 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1593 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1594 is enabled at -O and above.
1596 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1599 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1602 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1605 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1606 for anonymous variables explicitly declared by front ends.
1608 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1610 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1611 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1612 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1613 ref-all pointers, run a finalization pass for them.
1614 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1615 (finalize_ref_all_pointers): New function.
1616 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1617 regular pointer type to a ref-all pointer type.
1618 (get_tmt_for): Return the special memory tag for ref-all pointers.
1620 2006-05-25 Richard Guenther <rguenther@suse.de>
1623 * fold-const.c (fold_binary): Do not look at the stripped
1624 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1626 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1628 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1629 for LT and GT if the computed range is effectively empty.
1631 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1634 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1635 mips_quad_format formats instead of ieee_single_format,
1636 ieee_double_format and ieee_quad_format formats, respectively.
1638 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1640 PR tree-optimization/27639
1641 PR tree-optimization/26719
1642 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1643 call to scev_probably_wraps_p.
1644 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1645 used_in_pointer_arithmetic_p, convert_step): Removed.
1646 (nowrap_type_p): New function.
1647 (scev_probably_wraps_p): Rewritten.
1648 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1649 chrec_convert if chrec_convert_aggressive might have been used.
1650 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1651 scev_direction): New functions.
1652 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1653 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1654 instead of convert_step.
1655 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1656 (convert_step): Declaration removed.
1657 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1659 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1661 * df-core.c: Added to header comments.
1662 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1663 df_ur_bb_info, df_urec_bb_info): Added comments.
1664 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1665 urec, ri problems): Fixed header comments.
1666 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1667 code from df_rd_transfer_function.
1669 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1671 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1672 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1673 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1675 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1677 * expr.c (undefined_operand_subword_p): New.
1678 (emit_move_multi_word): Do not generate move from undefined bits
1679 of a paradoxical subreg.
1681 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1683 PR rtl-optimization/27736
1684 * combine.c (replaced_rhs_value): New variable.
1685 (combine_instructions): Set it.
1686 (distribute_notes): When distributing a note in replaced_rhs_insn,
1687 check whether the value was used in replaced_rhs_value.
1689 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1692 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1693 add_referenced_var instead of add_referenced_tmp_var.
1694 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1695 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1697 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1698 tree_optimize_tail_calls_1): Use add_referenced_var.
1699 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1700 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1701 Use add_referenced_var.
1702 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1703 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1704 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1705 Use add_referenced_var.
1706 * tree-dfa.c (struct walk_state): Remove.
1707 (find_referenced_vars): Remove walk state and vars_found hash table.
1708 (make_rename_temp): Use add_referenced_var.
1709 (find_vars_r): Pass less parameters to add_referenced_var.
1710 (referenced_var_p): New. Is var in referenced_var hash table.
1711 (referenced_var_insert): Assert var isn't already in hash table.
1712 (add_referenced_var): Don't need walk_state parameter. Add var if it
1713 isn't already in the hash table.
1714 (add_referenced_tmp_var): Remove.
1715 (find_new_referenced_vars_1): Use add_referenced_var.
1716 * tree-ssa-pre.c (create_expression_by_pieces,
1717 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1718 Use add_referenced_var.
1719 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1720 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1721 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1723 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1724 vect_create_data_ref_ptr, vect_create_destination_var,
1725 vect_init_vector, vect_build_loop_niters,
1726 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1727 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1728 Use add_referenced_var.
1729 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1730 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1731 (add_referenced_var): Add prototype.
1732 * tree-ssa-structalias.c (get_constraint_for,
1733 intra_create_variable_infos): Use add_referenced_var.
1735 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1737 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1738 big-endian paradoxical subregs.
1739 * var-tracking.c (struct micro_operation_def): Document that,
1740 for modify micro operations, insn is the subsequent instruction.
1741 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1742 (var_reg_set, var_mem_set): ... new functions.
1743 (add_stores): Record subsequent insn.
1744 (compute_bb_dataflow): Use new functions for MO_USE.
1745 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1746 notes after the insn, and modify notes before the insn known
1747 to be the subsequent one.
1748 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1750 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1753 * config/i386/i386.c (ix86_expand_builtin): Use
1754 gen_sse3_monitor64 for TARGET_64BIT.
1756 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1758 PR rtl-optimization/26375
1759 PR rtl-optimization/26855
1760 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1762 (df_ru_bb_local_compute): Reversed statements and removed bogus
1763 comment explaining why they should be in wrong order.
1764 (df_ru_dump, df_rd_dump): Enhanced debug info.
1765 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1767 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1768 reaching uses and fixed space problem.
1770 2006-05-23 Jan Hubicka <jh@suse.cz>
1772 * cgraphunit.c (decide_is_function_needed): Also nested functions
1773 and functions declared inline can be optimized out at -O0.
1775 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1777 * doc/install.texi (Configuration): Remove reference to CrossGCC
1781 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1784 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1785 ix86_compare_emitted is non-NULL.
1787 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1790 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1793 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1795 PR rtl-optimization/25514
1796 * combine.c (replaced_rhs_insn): New variable.
1797 (combine_instructions): Set replaced_rhs_insn when trying to replace
1798 a SET_SRC with a REG_EQUAL note.
1799 (distribute_notes): Use replaced_rhs_insn when determining the live
1800 range of a REG_DEAD register.
1802 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1803 Anatoly Sokolov <aesok@post.ru>
1805 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1806 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1807 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1808 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1809 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1810 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1811 at90usb647, at90usb1286 and at90usb1287 devices.
1812 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1813 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1815 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1817 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1819 2006-05-22 Richard Guenther <rguenther@suse.de>
1822 2006-01-31 Richard Guenther <rguenther@suse.de>
1823 Paolo Bonzini <bonzini@gnu.org>
1825 * doc/install.texi (--disable-libgcc-math): Document.
1827 2006-05-22 Richard Guenther <rguenther@suse.de>
1830 2006-01-31 Richard Guenther <rguenther@suse.de>
1832 * doc/invoke.texi (-msselibm): Document.
1833 * target.h (expand_library_builtin): New target hook.
1834 * builtins.c (expand_builtin): Use expand_library_builtin.
1835 (default_expand_library_builtin): New function.
1836 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1837 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1838 (link_gcc_math_spec): Declare.
1839 (static_specs): Add link_gcc_math_spec.
1840 * expr.h (default_expand_library_builtin): Declare.
1841 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1842 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1843 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1844 * config/i386/i386.opt (msselibm): New target option.
1845 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1846 (ix86_init_sse_abi_builtins): New function.
1847 (ix86_expand_library_builtin): Likewise.
1848 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1849 (override_options): Handle error conditions wrt -msselibm.
1850 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1851 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1852 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1855 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1858 * c-common.c (self_promoting_args_p): Skip erroneous args.
1861 * c-decl.c (finish_struct): Skip erroneous fields.
1863 2006-05-22 Nick Clifton <nickc@redhat.com>
1865 * config/cris/cris.opt (march): Remove VarExists attribute.
1866 (max-stackframe=): Likewise.
1868 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1870 * doc/rtl.texi: Fix a typo.
1871 * see.c: Fix comment typos.
1873 * tree-ssa-structalias.h (alias_info): Remove num_references.
1875 2006-05-21 Mike Stump <mrs@apple.com>
1877 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1879 (darwin_pragma_options): Use BAD instead.
1880 (darwin_pragma_unused): Likewise.
1881 (darwin_pragma_ms_struct): Likewise.
1883 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1885 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1887 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1889 PR rtl-optimization/27671
1890 * simplify-rtx.c (simplify_relational_operation_1): Fix
1891 simplifications of (eq/ne (xor x y) y) and
1892 (eq/ne (xor x y) x).
1894 PR tree-optimization/26622.
1895 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1898 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1900 * tree-cfg.c: Prune whitespace.
1901 (debug_tree_cfg): Point to correct header containing the
1904 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1907 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1909 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1912 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1913 or sorry count is non zero.
1915 2006-05-20 Andreas Schwab <schwab@suse.de>
1917 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1919 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1920 Kenneth Zadeck <zadeck@naturalbridge.com>
1922 PR rtl-optimization/26855
1924 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1926 (df_scan_alloc): Added code to properly handle multiword hard
1927 registers and add all_blocks parameter.
1928 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1929 code to properly handle multiword hard registers.
1930 (df_rescan_blocks): Added code to remove deleted blocks from
1932 (df_ref_create_structure, df_ref_record): Added code to properly
1934 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1935 and set DF_REF_PARTIAL.
1936 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1937 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1938 (df_scan_add_problem): Added flags parameter.
1939 (df_ref_create_structure): Changed switching structure.
1940 (df_bb_refs_record): Fixed case where duplicate artificial refs
1941 were created. Changed location of flags.
1942 (df_record_entry_block_defs): Added code to make stack pointer
1943 live in entry block. Refined cases where frame pointer is needed.
1944 Changed location of flags.
1945 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1946 (df_set_state): Removed function.
1947 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1948 df_insn_create_insn_record, df_insn_refs_delete,
1949 df_ref_create_structure): Formatting changes.
1950 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1951 df_delete_basic_block): New function.
1952 (df_init): Changed location of flags.
1953 (df_add_problem): Added flags parameter and the way flags are
1955 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1956 debug_df_chain): Improved debugging output.
1957 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1958 (df_refs_chain_dump): Removed df parameter.
1959 (df_iterative_dataflow): Added consistency check.
1960 (df_prune_to_subcfg): Made public.
1961 (df_analyze_problem): Added blocks_to_init parameter and made
1963 (df_ref_record, df_bb_refs_record, df_mark_reg,
1964 df_record_exit_block_uses): Whitespace changes.
1965 (df_dump): Whitespace changes.
1966 * df.h: Some reordering to remove forward references.
1967 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1968 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1969 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1970 (dataflow.flags): New field.
1971 (df.flag): Deleted field.
1972 (df_alloc_function): Added additional bitmap parameter.
1973 (df_dependent_problem_function): New type.
1974 (df_problem.changeable_flags): New field.
1975 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1976 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1977 (df_mw_hardreg): New struct.
1978 (DF_INSN_UID_MWS): New macro.
1979 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1981 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1982 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1983 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1984 (df_set_state): Removed function.
1985 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1986 * df-problems.c (df_chain_dump): Removed df parameter.
1987 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1988 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1990 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1991 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1992 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1993 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1994 DF_REF_MUST_CLOBBER cases.
1995 (df_ru_bb_local_compute_process_def,
1996 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1997 df_lr_bb_local_compute, df_ur_bb_local_compute,
1998 df_chain_create_bb): Made subreg aware.
1999 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2000 df_lr_bb_local_compute, df_lr_bb_local_compute,
2001 df_chain_create_bb): Cleanup to use proper macros.
2002 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2003 code to fixup bitvectors.
2004 (df_ri_alloc): Cleared lifetime.
2005 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2006 df_create_unused_note): New function.
2007 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2008 REG_DEAD and REG_UNUSED notes as well as register information.
2009 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2010 df_chains_dump): Fixed crash if problem was never run.
2011 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2012 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2013 df_ri_add_problem): Processes flags in uniform manner.
2014 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2015 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2016 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2017 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2018 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2019 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2020 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2021 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2022 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2023 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2024 * see.c (see_initialize_data): Ditto.
2025 * final.c (rest_of_clean_state) Added regstack_completed.
2026 * rtl.h (regstack_completed): Ditto.
2027 * reg-stack.c (regstack_completed): Ditto.
2029 2006-05-19 Mike Stump <mrs@apple.com>
2031 * c-tree.h (default_conversion): Remove.
2032 * c-common.h (default_conversion): Add.
2034 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2036 * tree-vrp.c (valid_value_p): New function.
2037 (adjust_range_with_scev): Fail if the value of bound is not
2040 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2042 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2043 (mips_fallback_frame_state): Use syscall numbers to determine
2044 the appropriate li instruction for the current ABI. Only use
2045 __NR_sigreturn for o32.
2047 2006-05-19 Nicolas Setton <setton@adacore.com>
2049 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2050 * langhooks.c (lhd_dwarf_name): New function.
2051 * langhooks-def.h (lhd_dwarf_name): Declare.
2052 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2053 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2054 * ada/misc.c (gnat_dwarf_name): New function.
2055 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2057 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2059 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2061 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2062 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2063 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2064 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2065 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2066 determine the size of Wtype, etc.
2067 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2068 (swfloatfuncs): New variable.
2069 (dwfloatfuncs): Likewise.
2070 (lib2funcs): Remove floating-point conversion functions from
2071 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2072 the set of conversion routines needed. Allow entries to specify
2073 an object name, filename and word size. Update users accordingly.
2074 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2075 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2079 2006-02-08 Roger Sayle <roger@eyesopen.com>
2082 * config/fixtfdi.c: New libgcc source file.
2083 * config/fixunstfdi.c: New source file.
2084 * config/floatditf.c: New source file.
2085 * config/floatunditf.c: New souce file.
2086 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2087 files above instead of config/mips/_tilib.c.
2088 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2090 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2092 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2093 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2095 2006-05-18 Mike Stump <mrs@apple.com>
2097 Fix up vla, vm and [*] sematics.
2103 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2104 (c_vla_unspec_p): Add.
2105 (c_vla_type_p): Add.
2106 * c-decl.c (struct c_scope): Add had_vla_unspec.
2107 (build_array_declarator): Add support for [*].
2108 (grokdeclarator): Likewise.
2109 (grokparms): Likewise.
2110 (get_parm_info): Likewise.
2111 * c-objc-common.c (c_vla_unspec_p): Likewise.
2112 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2113 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2114 typeof when argument is a variably modified type not inside sizeof or alignof.
2115 (c_parser_direct_declarator_inner): Propagate errors.
2116 (c_parser_sizeof_expression): Add support for [*].
2117 (c_parser_parms_declarator): Initialize had_vla_unspec.
2118 (c_parser_parms_list_declarator): Likewise.
2119 * c-typeck.c (c_vla_type_p): Add.
2120 (composite_type): Add support for vla compositing.
2121 (comptypes_internal): Add support for vla compatibility.
2122 (c_expr_sizeof_expr): Evaluate vla arguments.
2123 * tree.c (variably_modified_type_p): Update comment for [*].
2125 2006-05-18 Michael Matz <matz@suse.de>
2128 * config.host: Make assignments to host_xmake_file cumulative.
2129 * config.host (*-darwin*): Test $host, not $target.
2131 2006-05-12 Stuart Hastings <stuart@apple.com>
2133 * config/i386/i386.opt (-mstackrealign): New flag.
2134 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2135 (ix86_handle_cconv_attribute): Emit error when
2136 force_align_arg_pointer attribute collides with too many regparms.
2137 (ix86_function_regparm): Limit regparms when used with
2138 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2139 Support stack-realigning prologue in non-main functions. Emit
2140 warning for nested functions under -mstackrealign, emit error for
2141 nested functions with force_align_arg_pointer attribute.
2142 * doc/extend.texi (force_align_arg_pointer): Document it.
2143 * doc/invoke.texi (-mstackrealign): Document it.
2145 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2147 PR rtl-optimization/27477
2148 * combine.c (try_combine): Don't split a parallel consisting
2149 of two sets into two individual sets if both sets reference
2152 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2154 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2155 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2157 * doc/options.texi (VarExists): Updated.
2159 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2161 * unwind-dw2.c: Add declarations for uw_update_context and
2163 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2164 detected, advance frame state and context once to skip over stub.
2166 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2170 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2171 Call rewrite_into_loop_closed_ssa only when something changed.
2172 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2173 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2174 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2175 Test for perfect_nest_p here. Fix formating.
2176 (replace_uses_equiv_to_x_with_y): Fix formating.
2177 (stmt_uses_op): Removed.
2178 (can_convert_to_perfect_nest): Removed loopivs parameter.
2179 Complete the test by checking the scalar dependences.
2180 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2183 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2186 From Dan Kegel <dank@kegel.com>:
2187 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2189 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2191 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2192 if the element type is variably modified without recursing.
2194 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2197 * tree-loop-linear.c (try_interchange_loops): Test for
2198 no data dependences.
2200 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2202 PR tree-optimization/27548
2203 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2204 range of ssa names that appear on abnormal edges.
2205 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2206 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2208 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2211 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2213 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2216 * tree.h (OMP_PARALLEL_COMBINED): Define.
2217 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2218 (new_omp_context): Add is_combined_parallel argument.
2219 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2220 new_omp_context caller.
2221 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2222 Adjust gimplify_scan_omp_clauses callers.
2223 (omp_is_private): Issue errors if iteration variable is firstprivate
2224 or reduction in the current context.
2225 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2226 on combined parallel workshare constructs.
2228 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2230 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2231 (gcc-options.o): New rule.
2233 * optc-gen.awk: Protect variables for gcc-options.o with
2234 #ifdef GCC_DRIVER/#endif.
2236 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2238 Fix PR tree-optimization/27373
2239 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2240 (forward_propagate_addr_expr): Update call.
2242 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2244 * doc/options.texi: Move the Negative option.
2246 2006-05-16 Richard Guenther <rguenther@suse.de>
2248 PR tree-optimization/22303
2249 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2251 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2252 ccp_fold did not simplify the statement.
2254 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2257 * Makefile.in (GCC_OBJS): New.
2258 (OBJS-common): Add opts-common.o.
2259 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2260 (cpp$(exeext)): Likewise.
2261 (gcc.o): Also depend on opts.h.
2262 (opts-common.o): New.
2264 * common.opt (gcoff): Add Negative(gdwarf-2).
2265 (gdwarf-2): Add Negative(gstabs).
2266 (gstabs): Add Negative(gstabs+).
2267 (gstabs+): Add Negative(gvms).
2268 (gvms): Add Negative(gxcoff).
2269 (gxcoff): Add Negative(gxcoff+).
2270 (gxcoff+): Add Negative(gcoff).
2271 * config/i386/i386.opt (m32): Add Negative(m64).
2272 (m64): Add Negative(m32).
2274 * doc/options.texi: Document the Negative option.
2276 * gcc.c: Include "opts.h".
2277 (main): Call prune_options after expandargv.
2279 * optc-gen.awk: Generate common declarations for all flag
2280 variables in options.c. Output the neg_index field.
2282 * opts.c (find_opt): Moved to ...
2283 * opts-common.c: Here. New file.
2285 * opts.h (cl_option): Add a neg_index field.
2287 (prune_options): Likewise.
2289 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2292 * omp-low.c (expand_omp_parallel): Don't assert
2293 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2294 instead search for it.
2297 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2300 2006-05-16 Andreas Schwab <schwab@suse.de>
2302 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2305 2006-05-15 Roger Sayle <roger@eyesopen.com>
2308 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2309 integer constants other than zero are only legitimate on TARGET_64BIT.
2310 <CONST_VECTOR> Only zero vectors are legitimate.
2311 (ix86_cannot_force_const_mem): Integral and vector constants can
2312 always be put in the constant pool.
2314 2006-05-16 DJ Delorie <dj@redhat.com>
2316 * crtstuff.c (__dso_handle): Set section from
2317 TARGET_LBIGCC_SDATA_SECTION if defined.
2318 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2319 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2321 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2324 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2327 2006-05-16 Ben Elliston <bje@au.ibm.com>
2329 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2331 2006-05-15 Per Bothner <per@bothner.com>
2333 * tree.c: (last_annotated_node): Use source_locus typedef.
2334 This permits bootstrapping with --enable-mapped-location.
2336 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2338 PR tree-optimization/26830
2339 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2340 (info_for_ssa_name, current_info_for_ssa_name_age,
2341 blocks_to_update): New variables.
2342 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2343 (clear_ssa_name_info, initialize_flags_in_bb,
2344 mark_block_for_update): New functions.
2345 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2346 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2347 prepare_def_site_for): Use mark_block_for_update.
2348 (mark_def_interesting): Assert that the processed block is marked in
2349 blocks_to_update. Do not take blocks argument.
2350 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2352 (rewrite_update_init_block, rewrite_update_stmt): Only process
2353 blocks with statements to rewrite.
2354 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2355 (update_ssa): Initialize and free blocks_to_update. Do not
2356 clear flags on statements. Do not use blocks bitmap.
2357 * tree.h (SSA_NAME_AUX): Removed.
2358 (struct tree_ssa_name): Removed aux field.
2359 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2361 2006-05-15 Richard Guenther <rguenther@suse.de>
2363 PR tree-optimization/27603
2364 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2365 Do computations in original type.
2367 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2369 * see.c: Code style changes such as redundant paranthesis,
2370 redundant intialization of local variables etc.
2371 (see_main): Declared now as static.
2372 * doc/invoke.texi: Update that -fsee is not enabled by
2375 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2377 * omp-low.c (check_omp_nesting_restrictions): New function.
2378 (scan_omp_1): Call it.
2381 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2382 construct, return *VAR.
2384 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2386 PR rtl-optimization/27406
2387 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2390 2006-05-14 Roger Sayle <roger@eyesopen.com>
2392 PR rtl-optimization/27538
2393 * combine.c (expand_compound_operation): Call gen_lowpart
2394 before calling simplify_shift_const.
2396 2006-05-14 Roger Sayle <roger@eyesopen.com>
2398 PR rtl-optimization/22563
2399 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2400 a fixed width bitfield, always force the intermediates into psuedos.
2402 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2405 * mkconfig.sh: Use operator = instead of == for test.
2407 2006-05-13 Nick Clifton <nickc@redhat.com>
2409 * dwarf2out.c (dbx_reg_number): Check return value from
2410 LEAF_REG_REMAP and only use it if it is valid.
2411 (multiple_reg_loc_descriptor): Likewise.
2413 2006-05-13 Richard Guenther <rguenther@suse.de>
2415 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2418 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2420 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2421 information attached to non-INSNs such as NOTEs.
2422 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2424 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2426 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2428 * config/s390/s390.md: Adjust comment describing On constraint.
2430 2006-05-11 Jan Hubicka <jh@suse.cz>
2432 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2433 to be output at -O0.
2435 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2438 * fold-const.c (size_binop): Move sanity check for arguments to
2439 the beginning of the function.
2442 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2445 2006-05-11 Richard Guenther <rguenther@suse.de>
2448 * fold-const.c (fold_unary): Handle intermediate conversion
2449 to a pointer type like intermediate conversion to an integer
2450 type in folding of (T1)(T2)var to var.
2451 Match the code to the comment in the final conversion for
2452 (T1)(T2)var to (T1)var regarding to type precision. Rather
2453 than disallow T1 being of pointer type, assert that both T1
2454 and var are of pointer type or not. Make sure not to fall
2455 over the frontends lazyness wrt array to pointer decay though.
2457 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2459 * arm.c (arm_struct_value_rtx): Delete.
2460 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2461 (arm_init_cumulative_args): Always initialize nregs to zero.
2463 2006-05-10 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/27532
2466 * tree-object-size.c (plus_expr_object_size): Fix typo.
2468 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2471 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2472 ashrdi_const, ashrdi3): Use a scratch register.
2474 2006-05-10 Richard Guenther <rguenther@suse.de>
2476 PR tree-optimization/27302
2477 * fold-const.c (operand_equal_p): For two comparisons,
2478 try comparison of one comparison code swapped if that yields
2481 2006-05-10 Ben Elliston <bje@au.ibm.com>
2483 * tree-pretty-print.c (pretty_print_string): No need to handle
2484 '\0' as a special character.
2486 * tree.h: Include "hashtab.h".
2487 (iterative_hash_expr): Use hashval_t in its prototype.
2488 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2490 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2493 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2494 (hppa*64*-*-hpux11*): Ditto.
2495 (hppa[12]*-*-hpux11*): Ditto.
2497 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2500 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2502 2006-05-09 Michael Matz <matz@suse.de>
2504 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2505 host_extra_gcc_objs and host_xmake_file.
2506 (<*-*-linux*>): Don't overwrite host_xmake_file.
2507 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2508 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2509 (host_detect_local_cpu): Declare.
2510 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2511 * config/i386/i386.c (override_options): Handle -mtune=native
2513 * config/i386/x-i386: New file.
2514 * config/i386/driver-i386.c: New file.
2515 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2518 2006-05-09 Dirk Mueller <dmueller@suse.de>
2519 Richard Guenther <rguenther@suse.de>
2522 * fold-const.c (fold_read_from_constant_string): Relax check
2523 for matching types to matching modes.
2525 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2527 PR rtl-optimization/27335
2528 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2531 2006-05-08 Chao-ying Fu <fu@mips.com>
2532 Richard Sandiford <richard@codesourcery.com>
2534 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2535 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2536 * config/mips/mips.md (UNSPEC_SCC): New constant.
2537 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2538 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2539 (mips_emit_compare): Use it.
2540 (mips_expand_vcondv2sf): New function.
2542 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2544 Fix PR tree-optimization/27093
2545 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2546 renaming when they become not-used_alone.
2548 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2550 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2551 relocation and relocation stubs.
2553 2006-05-08 Eric Christopher <echristo@apple.com>
2555 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2558 2006-05-08 Jan Hubicka <jh@suse.cz>
2561 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2562 unused static functions are needed.
2564 2006-05-08 Roger Sayle <roger@eyesopen.com>
2567 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2568 of a reg_equiv_constant if the result is a legitimate constant.
2570 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2573 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2574 standard 80387 constants, raise the cost to prevent
2575 compress_float_constant() to generate load from memory.
2577 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2579 * config/arm/constraints.md (c): Fix a typo.
2581 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2584 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2587 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2589 (_mm_mwait): Likewise.
2591 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2593 (sse3_monitor): Make it 32bit only.
2594 (sse3_monitor64): New. 64bit monitor.
2596 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2599 * config/i386/i386.c (classify_argument): Skip fields with invalid
2602 2006-05-07 Richard Guenther <rguenther@suse.de>
2604 PR tree-optimization/27409
2605 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2606 Do not try to find zero-sized subvars.
2608 2006-05-07 Richard Guenther <rguenther@suse.de>
2610 PR tree-optimization/27136
2611 * tree-ssa-loop-niter.c (get_val_for): Correct function
2612 comment, assert requirements.
2613 (loop_niter_by_eval): Stop processing if the iterated
2614 value did not simplify.
2616 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2618 * opts.c (flag_see): remove its setting at -O3.
2620 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2622 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2623 * arm/constraints.md: New file.
2624 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2625 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2626 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2627 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2628 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2629 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2630 * arm.md: Include constraints.md.
2631 (thumb_movsi_insn): Use satisfies_constraint_J.
2632 (movhi, movqi): Use satisfies_constraint_I.
2634 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2636 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2637 for atmeg a645 device.
2639 2006-05-06 Richard Guenther <rguenther@suse.de>
2641 PR tree-optimization/27151
2642 * tree-vect-transform.c (vectorizable_condition): Punt on
2643 values that have a different type than the condition.
2645 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2648 * c-parser.c (c_parser_cast_expression): Only insert casts into
2649 hash table if pointer.
2650 * function.c (used_types_insert_helper): Rename from
2652 (used_types_insert): Call used_types_insert_helper.
2653 * function.h (used_types_insert): Accept only one argument.
2655 2006-05-05 David Edelsohn <edesohn@gnu.org>
2657 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2658 scratch with output modifier.
2660 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2663 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2664 with output modifier.
2666 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2669 * config/mips/mips.c (mips_symbolic_address_p): Return true
2670 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2671 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2673 2006-05-04 Richard Guenther <rguenther@suse.de>
2675 PR tree-optimization/14287
2676 PR tree-optimization/14844
2677 PR tree-optimization/19792
2678 PR tree-optimization/21608
2679 PR tree-optimization/27090
2680 * tree-ssa-pre.c (try_combine_conversion): New function.
2681 (compute_avail): After constructing the value-handle
2682 expression, use try_combine_conversion to combine NOP_EXPRs
2683 with previous value-handle expressions and use the result if it
2686 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2688 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2690 2006-05-04 Jan Hubicka <jh@suse.cz>
2693 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2695 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2697 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2698 that this only matches CONST_INTs. All users changed to VOIDmode
2701 * config/bfin/bfin.c: Include "optabs.h".
2702 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2704 (enum bfin_builtins): Add a number of fractional and vector builtins.
2705 (bfin_init_builtins): Likewise.
2706 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2707 (safe_vector_operand, bfin_expand_binop_builtin,
2708 bfin_expand_unop_builtin): New functions.
2709 (bfin_expand_builtin): Handle the new builtins.
2710 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2713 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2716 * Makefile.in (OBJS-common): Add see.o.
2717 (see.o): Add dependencies.
2718 * common.opt (fsee): New flag for the see optimization was added.
2719 * opts.c (flag_see): Initialized.
2720 * passes.c (init_optimization_passes, pass_see): New pass.
2721 * rtl.h (see_main): Declaration as extern.
2722 * timevar.def (TV_SEE): New.
2723 * tree-pass.h (pass_see): Declaration as extern.
2724 * invoke.texi (-fsee): Document.
2725 * recog.c (validate_simplify_insn): New function.
2726 * recog.h (validate_simplify_insn): Declaration as extern.
2727 * df-problems.c (df_chain_dump): Check for NULL.
2729 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2730 Daniel Berlin <dberlin@dberlin.org>
2732 * cfgrtl.c (insert_insn_bb_end_new): New function.
2733 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2735 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2737 * df.h (struct web_entry): Moved from web.c.
2738 (union_defs): Declaration as extern.
2739 (unionfind_root): Likewise.
2740 (unionfind_union): Likewise.
2741 * web.c (struct web_entry): Moved to df.h.
2742 (unionfind_root): Remove static declaration.
2743 (unionfind_union): Likewise.
2744 (union_defs): Likewise and generalize to use callback function.
2745 (web_main): Update arguments for union_defs function call.
2747 2006-05-04 Richard Guenther <rguenther@suse.de>
2749 PR tree-optimization/26447
2750 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2751 produce SSA_NAME copies before the store stmt to avoid
2752 breaking exception handling.
2754 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2757 * gimplify.c (omp_is_private): If var is shared in some outer context,
2758 return false instead of true. Stop searching on parallel context
2761 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2764 * coverage.c: Use get_gcov_unsigned_t() instead of
2765 unsigned_type_node all over.
2767 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2769 PR tree-optimization/27381
2770 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2771 maintain the same immediate_use links.
2772 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2773 node rather than segfaulting.
2775 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2778 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2779 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2780 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2782 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2784 Fix PR tree-optimization/26626
2785 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2787 * tree-ssa-operands.c (access_can_touch_variable): Allow
2788 typecasting through union pointers.
2790 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2793 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2794 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2795 to find if var will be a global variable even in the nested context.
2796 (omp_copy_decl): Only check for global variable at the end, it might
2797 be overridden in outer contexts.
2798 (scan_sharing_clauses): For global variables don't create a field.
2799 (lower_rec_input_clauses): Do nothing for global shared variables.
2800 Emit a barrier at the end of ILIST if there were any decls in both
2801 firstprivate and lastprivate clauses.
2802 (lower_send_clauses): Do nothing for global variables except for
2805 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2807 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2808 of the correct signedness is returned.
2810 2006-05-02 Jeff Law <law@redhat.com>
2812 PR tree-optimization/27364
2813 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2814 multiply expressions.
2816 2006-05-02 Tom Tromey <tromey@redhat.com>
2818 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2820 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2823 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2824 -mthumb -fPIC are used.
2826 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2827 Joshua Kinard <kumba@gentoo.org>
2830 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2831 with 64-bit pointers.
2833 2006-05-02 Paul Brook <paul@codesourcery.com>
2835 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2837 (create_fix_barrier): Check that a suitable barrier location is
2839 (arm_reorg): Include ftmp->address in allowable range of addresses.
2841 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2844 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2847 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2850 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2851 around RESULT_DECL for result passed by reference.
2852 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2853 * omp-low.c (use_pointer_for_field): Don't look at
2854 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2855 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2856 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2857 time or var for passing by reference for
2858 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2859 TREE_ADDRESSABLE variables when passing by reference.
2861 * omp-low.c (dump_omp_region): Fix output formatting.
2864 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2865 (expand_omp_parallel): Likewise.
2866 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2869 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2870 on statement list containing also constructors and destructors.
2871 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2874 * except.c (duplicate_eh_regions): Fix clearing of
2875 cfun->eh->region_array entries.
2877 2006-05-01 DJ Delorie <dj@redhat.com>
2879 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2881 (gcc_cv_objdump): Likewise.
2882 * configure: Regenerated.
2884 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2887 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2888 templates for case 3 and 4.
2890 2006-05-01 DJ Delorie <dj@redhat.com>
2892 * vec.c: Include bconfig.h when appropriate.
2893 * Makefile.in (build/vec.o): Adjust dependencies.
2894 * mkconfig.sh: Make sure config.h isn't used for build machine
2897 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2899 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2901 (mark_phi_for_rewrite): New function.
2902 (insert_phi_nodes_for, mark_use_interesting): Call
2903 mark_phi_for_rewrite.
2904 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2905 (update_ssa): Initialize and free phis_to_rewrite.
2907 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2909 PR rtl-optimization/27291
2910 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2911 folded to a constant.
2913 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2915 PR tree-optimization/27283
2916 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2917 not whole # of iteration descriptions.
2918 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2919 uses abnormal ssa name.
2920 (niter_for_single_dom_exit): Ditto.
2921 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2922 return just the number of iterations.
2924 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2926 PR tree-optimization/27144
2927 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2928 (record_estimate): Only record constant upper bound.
2929 (infer_loop_bounds_from_undefined): Call
2930 compute_estimated_nb_iterations just once.
2931 (proved_non_wrapping_p): Renamed to ...
2932 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2933 (convert_step_widening, scev_probably_wraps_p): Call
2934 n_of_executions_at_most instead of proved_non_wrapping_p.
2935 (substitute_in_loop_info): Do not replace values in bounds.
2936 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2939 2006-05-01 Richard Henderson <rth@redhat.com>
2942 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2943 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2946 2006-05-01 Roger Sayle <roger@eyesopen.com>
2948 * c-typeck.c (parser_build_binary_op): Don't call the function
2949 unsigned_conversion_warning to spot operand/result type overflow.
2950 (build_binary_op): Instead, call convert_and_check instead of
2951 convert to report the problem when the operands are promoted.
2952 * c-common.c (unsigned_conversion_warning): Make static.
2953 * c-common.h (unsigned_conversion_warning): Delete prototype.
2955 2006-05-01 Richard Guenther <rguenther@suse.de>
2957 PR tree-optimization/26726
2958 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2960 (find_interesting_uses_address): ... we work around here
2961 by folding INDIRECT_REFs in the substituted base.
2963 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2965 * omp-low.c (dump_omp_region): Add newlines.
2967 2006-04-30 Roger Sayle <roger@eyesopen.com>
2969 * common.opt (Woverflow): New command line option.
2970 * c-common.c (constant_expression_warning): Check warn_overflow.
2971 (overflow_waring): Pass OPT_Woverflow to warning.
2972 (unsigned_conversion_warning): Likewise.
2973 (convert_and_check): Likewise.
2974 * doc/invoke.texi: Document new command line option.
2976 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2978 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2979 TARGET_NO_FP_IN_TOC for section anchors.
2980 (optimization_options): Enable section anchors for all
2981 non-"Objective" languages.
2983 2006-04-28 Eric Christopher <echristo@apple.com>
2985 * config/darwin-c.c (darwin_ms_struct): Move this
2986 (darwin_set_default_type_attributes): and this...
2987 * config/darwin.c: ... here.
2988 * config/darwin.h (darwin_ms_struct): Declare.
2990 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2992 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2994 2006-04-28 Roger Sayle <roger@eyesopen.com>
2997 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2998 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2999 an unsigned HOST_WIDE_INT.
3000 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3002 (really_start_incremental_init): No need to call convert because
3003 bitsize_zero_node is already of type bitsizetype.
3004 (push_init_level): Extract the value of constructor_index as an
3005 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3006 (process_init_element): Likewise.
3008 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3010 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3011 value before passing to make_relative_prefix.
3013 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3016 * builtins.c (expand_builtin_memset): Expand val in original mode.
3018 2006-04-27 Eric Christopher <echristo@apple.com>
3020 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3021 with #ifndef/#endif.
3022 * config/darwin-c.c (darwin_ms_struct): New.
3023 (darwin_pragma_ms_struct): Ditto.
3024 (darwin_set_default_type_attributes): Ditto.
3025 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3026 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3027 Register ms_struct pragma.
3028 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3029 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3030 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3031 darwin_set_default_type_attributes if TARGET_MACHO.
3033 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3035 PR tree-optimization/26854
3036 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3037 * doc/tree-ssa.texi: Update immuse iterator documentation.
3038 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3040 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3041 first_safe_imm_use, next_safe_imm_use): Remove.
3042 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3043 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3044 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3045 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3046 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3047 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3048 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3049 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3050 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3051 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3052 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3053 (perfect_nestify): Use new iterator.
3054 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3056 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3057 (next_imm_name): New field in struct immediate_use_iterator_d.
3058 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3059 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3060 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3061 * tree-cfg.c (replace_uses_by): Use new iterator.
3062 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3063 * tree-ssa-operands.c (correct_use_link): Remove.
3064 (finalize_ssa_use_ops): No longer call correct_use_link.
3066 2006-04-27 Stuart Hastings <stuart@apple.com>
3068 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3069 * config/t-darwin (crt3.o): Use it.
3070 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3071 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3072 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3073 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3074 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3077 2006-04-27 Roger Sayle <roger@eyesopen.com>
3079 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3080 size, force the intermediate into a new pseudo rather instead of
3081 performing both a bitwise AND and a bitwise IOR in memory.
3083 2006-04-27 Richard Guenther <rguenther@suse.de>
3085 PR rtl-optimization/26685
3086 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3087 this one "max-flow-memory-locations".
3089 2006-04-27 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/25148
3092 * tree-vrp.c (compare_values): Remove code dealing with
3093 comparisons against type min/max value. Honour overflow
3094 and negative constants in code dealing with comparisons
3095 of plus and minus expressions.
3096 (value_inside_range): Use fold_binary with LE_EXPR and
3097 GE_EXPR rather than compare_values.
3099 2006-04-27 Dirk Mueller <dmueller@suse.de>
3101 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3104 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3106 * basic-block.h (safe_insert_insn_on_edge): Removed.
3107 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3109 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3110 Paolo Bonzini <bonzini@gnu.org>
3113 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3114 (simplify_and_const_int): Same.
3116 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3118 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3120 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3123 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3124 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3125 cgraph_global_info_ready.
3128 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3131 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3132 either decl or init is error_mark_node.
3135 * tree-flow.h (struct omp_region): Add sched_kind.
3136 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3137 instead of extracting omp for data.
3138 (expand_omp_for): Save extracted sched_kind.
3140 2006-04-25 Roger Sayle <roger@eyesopen.com>
3142 * expmed.c (store_bit_field): Also check whether the bitsize is
3143 valid for the machine's "insv" instruction before moving the
3144 target into a pseudo for use with the insv.
3145 * config/i386/predicates.md (const8_operand): New predicate.
3146 * config/i386/i386.md (extv, extzv, insv): Use the new
3147 const8_operand predicate where appropriate.
3149 2006-04-25 DJ Delorie <dj@redhat.com>
3151 * doc/install.texi (Specific): Clarify that this is not a list of
3152 supported hosts or targets.
3154 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3156 PR rtl-optimization/26725
3157 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3158 block's BB_DIRTY flag.
3160 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3162 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3165 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3166 to print an integer.
3168 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3170 * varasm.c (align_variable): New function.
3171 (get_block_for_decl): Apply align_variable to DECL before
3172 calculating section information.
3173 (assemble_variable): Split out alignment computation.
3175 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3177 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3180 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3182 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3183 MODE_PARTIAL_INT mode.
3184 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3185 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3187 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3188 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3190 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3192 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3194 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3195 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3196 MACFLAG_IH): Likewise.
3197 (movstricthi_1): Renamed from "*movstricthi".
3198 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3199 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3200 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3201 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3202 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3203 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3204 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3205 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3206 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3207 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3208 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3209 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3210 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3211 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3212 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3214 * doc/rtl.texi (ss_ashift): Improve wording.
3216 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3218 * dwarf2out.c (verify_marks_clear): New.
3219 (prune_unused_types): Call verify_marks_clear initially, not
3222 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3224 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3225 * doc/rtl.texi: Document them.
3226 * simplify-rtx.c (simplify_unary_operation,
3227 simplify_binary_operation_1): Don't abort when we see them.
3229 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3232 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3233 * configure.ac: Completely disregard languages that are not
3235 * configure: Regenerated.
3237 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3238 Richard Guenther <rguenther@suse.de>
3240 PR tree-optimization/27236
3241 * tree-inline.c (copy_body_r): Make sure to copy
3242 TREE_THIS_VOLATILE flag.
3244 2006-04-24 Richard Guenther <rguenther@suse.de>
3247 * tree-complex.c (update_parameter_components): Don't handle
3248 unused parameters which have no default def.
3250 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3251 Richard Guenther <rguenther@suse.de>
3253 PR tree-optimization/27218
3254 * tree-inline.c (expand_call_inline): Strip useless type
3255 conversions for the return slot address.
3257 2006-04-24 Richard Guenther <rguenther@suse.de>
3259 * cfgloop.h (struct loops): Remove unused field array. Reorder
3261 (LOOP_PREFETCH): Remove.
3263 2006-04-24 Richard Guenther <rguenther@suse.de>
3265 PR tree-optimization/22525
3266 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3267 variable, adjust types of generated expressions.
3269 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3271 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3272 (tree-vect-patterns.o): Likewise.
3274 (cselib.o): Likewise.
3275 (loop-doloop.o): Likewise.
3276 (regclass.o): Likewise.
3277 (reload1.o): Likewise.
3278 (explow.o): Replace target.h with $(TARGET_H).
3279 (ipa-prop.o): Likewise.
3280 (ipa-cp.o): Likewise.
3281 (ipa-inline.o): Likewise.
3282 (reorg.o): Likewise.
3283 (reg-stack.o): Likewise.
3285 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3287 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3289 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3291 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3293 * configure.ac: Completely disregard languages that are not
3295 * configure: Regenerated.
3298 * c-common.h (c_build_bitfield_integer_type): Declare.
3299 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3300 * c-common.c (c_build_bitfield_integer_type): ... here.
3302 2006-04-23 Roger Sayle <roger@eyesopen.com>
3305 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3306 a SImode SUBREG of a floating point register after no_new_pseudos.
3308 2006-04-23 Roger Sayle <roger@eyesopen.com>
3310 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3311 identify potentially eliminable registers to additionally catch
3312 VIRTUAL_INCOMING_ARGS_REGNUM.
3313 (addsi3): Update the conditions on when to use addsi_small_int.
3315 2006-04-23 Roger Sayle <roger@eyesopen.com>
3318 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3319 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3320 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3322 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3324 * fold-const.c (range_predecessor): Use operand_equal_p
3325 as the predicate for equality.
3326 (range_successor): Likewise.
3328 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3331 * config/soft-fp/op-common.h: Fix a typo.
3333 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3336 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3337 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3339 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3341 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3343 * doc/tm.texi: Fix a typo.
3345 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3347 * dwarf2out.c (struct die_struct): Document that die_sib makes
3348 a circular linked list.
3349 (FOR_EACH_CHILD): New.
3350 (reverse_die_lists): Delete.
3351 (reverse_all_dies): Delete.
3352 (add_dwarf_attr): Correct documentation.
3353 (remove_child_with_prev): New.
3354 (remove_child_TAG): Update for change to die_struct, use
3355 remove_child_with_prev.
3356 (add_child_die): Update for change to die_struct.
3357 (splice_child_die): Use remove_child_with_prev and add_child_die.
3358 (print_die): Use FOR_EACH_CHILD.
3359 (die_checksum): Likewise.
3360 (assign_symbol_names): Likewise.
3361 (output_location_lists): Likewise.
3362 (build_abbrev_table): Likewise.
3363 (calc_die_sizes): Likewise.
3364 (mark_dies): Likewise.
3365 (unmark_dies): Likewise.
3366 (unmark_all_dies): Likewise.
3367 (output_die): Likewise.
3368 (prune_unused_types_mark): Likewise.
3369 (prune_unused_types_walk): Likewise.
3370 (same_die_p): Update for change to die_struct.
3371 (break_out_includes): Likewise.
3372 (prune_unused_types_prune): Likewise.
3373 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3374 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3376 (dwarf2out_finish): Don't call reverse_all_dies.
3378 2006-04-21 Eric Christopher <echristo@apple.com>
3380 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3381 in comments and function names.
3383 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3386 * c-typeck.c (digest_init): Robustify.
3388 * c-typeck.c (pop_init_level): Simplify.
3390 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3392 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3394 2006-04-21 Paul Brook <paul@codesourcery.com>
3396 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3397 hardware floating point.
3399 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3401 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3404 2006-04-21 Nick Clifton <nickc@redhat.com>
3406 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3409 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3412 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3413 C++ lang type in traceback table for Objective-C++.
3415 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3417 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3419 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3421 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3424 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3425 were errors. Remove check for erroneous objects.
3427 2006-04-20 Jeff Law <law@redhat.com>
3429 PR tree-optimization/26854
3430 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3431 checking for zero or one use.
3432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3433 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3434 * tree-ssa-reassoc.c (negate_value): Similarly.
3435 (reassociate_bb): Similarly.
3437 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3439 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3440 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3441 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3443 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3445 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3446 fp regs if the last fp arg doesn't fit in regs.
3448 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3451 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3452 that the last insn has the REG_INC note.
3454 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3455 Nathan Sidwell <nathan@codesourcery.com>
3458 * stor-layout.c (update_alignment_for_field): Do not align
3460 (place_union_field): Place union field at the start of the union.
3461 (place_field): Move ERROR_MARK check later, and use the current
3462 allocation position to maintain monotonicity.
3464 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3466 * dominance.c: Include timevar.h.
3467 (calculate_dominance_info): Use TV_DOMINANCE.
3468 * timevar.def (TV_DOMINANCE): New timevar.
3469 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3471 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3473 PR rtl-optimization/14261
3474 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3475 move would be an INSV insn.
3476 (noce_process_if_block): Don't optimize if the destination is a
3477 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3479 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3481 * config/s390/s390.md: Add comments with the instructions emitted
3482 by an insn pattern if macros are used.
3484 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3486 PR rtl-optimization/26026
3487 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3488 is a known power of two shifted left a variable amount.
3490 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3492 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3493 to hash table twice when the debug_str section has SECTION_MERGE.
3495 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3497 * config/soft-fp: New directory. From glibc.
3498 * config/soft-fp/t-softfp: New.
3499 * config/soft-fp/README: New.
3500 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3501 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3502 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3503 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3504 * config.gcc: Use rs6000/t-fprules-fpbit or
3505 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3507 * config/rs6000/sfp-machine.h: New. Based on glibc.
3508 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3510 * config/rs6000/t-fprules: Remove fp-bit rules.
3511 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3512 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3513 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3514 (softfp_wrap_start, softfp_wrap_end): New.
3516 2006-04-18 DJ Delorie <dj@redhat.com>
3518 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3520 2006-04-18 Devang Patel <dpatel@apple.com>
3522 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3524 2006-04-18 Nick Clifton <nickc@redhat.com>
3526 * config/sh/t-symbian: Add rule to build sh-c.o
3527 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3528 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3529 (sh_symbian_encode_section_info): Likewise.
3531 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3533 * builtins.c (expand_builtin_strcmp): Cover label definition of
3534 do_libcall with HAVE_cmpstrnsi.
3536 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3538 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3540 * function.h (temp_slot_p): New.
3541 (function): Change the type of x_used_temp_slots to
3542 VEC(temp_slot_p,gc) *.
3544 2006-04-18 Nick Clifton <nickc@redhat.com>
3546 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3547 flag_strength_reduce.
3549 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3551 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3555 Partial revert of revision 112637
3556 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3557 Dale Johannesen <dalej@apple.com>
3560 * regclass.c (struct reg_pref): Update documentation.
3561 (regclass): Set prefclass to NO_REGS if memory is the best option.
3562 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3564 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3566 PR tree-optimization/26821
3567 * tree-ssa-math-opts.c (get_constant_one): New.
3568 (insert_reciprocals): Use it.
3570 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3572 * dwarf2out.c (free_AT): Delete.
3573 (remove_AT): Update string ref counts.
3574 (remove_child_TAG): Don't call free_die.
3576 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3577 or DW_TAG_GNU_EINCL.
3578 (prune_unused_types_walk_attribs): Reset string refcounts.
3579 (prune_unused_types_update_strings): New.
3580 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3581 call free_die. Do call prune_unused_types_update_strings.
3582 (prune_unused_types): Empty debug_str_hash.
3584 2006-04-17 Roger Sayle <roger@eyesopen.com>
3586 * expr.c (expand_assignment): Optimize away no-op moves where the
3587 source and destination are equal and have no side-effects.
3589 2006-04-17 Richard Guenther <rguenther@suse.de>
3592 * reload.c (push_reload): Guard calls to get_secondary_mem
3595 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3597 * alias.c (reg_base_value, old_reg_base_value): Change the
3598 type to VEC(rtx,gc) *.
3599 (REG_BASE_VALUE, find_base_value, record_set,
3600 init_alias_analysis): Use VEC instead of VARRAY.
3602 * alias.c (alias_sets): Change the type to
3603 VEC(alias_set_entry,gc) *.
3604 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3605 VEC instead of VARRAY.
3606 (last_alias_set): Remove.
3608 * cgraph.h (cgraph_edge_p): New.
3609 Update the prototype of cgraph_function_versioning.
3610 * cgraphunit.c (cgraph_copy_node_for_versioning,
3611 cgraph_function_versioning): Use VEC instead of VARRAY.
3612 * ipa-cp.c (ipcp_insert_stage): Likewise.
3614 2006-04-16 Roger Sayle <roger@eyesopen.com>
3617 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3618 "A op B" or "A op C", we may need to convert A to the type of B and C.
3620 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3622 * target.h (struct gcc_target): Add mode_rep_extended.
3623 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3624 (init_num_sign_bit_copies_in_rep): Initialize it using
3626 (truncate_to_mode): Use it.
3627 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3628 * targhooks.h (default_mode_rep_extended): Declare it.
3629 * targhooks.c (default_mode_rep_extended): Define it.
3630 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3631 default_mode_rep_extended.
3632 (TARGET_INITIALIZER): Include it.
3633 * doc/tm.texi (Misc): Document it.
3634 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3635 (mips_truncated_to_mode): New function.
3637 2006-04-16 Roger Sayle <roger@eyesopen.com>
3640 * expr.c (compress_float_constant): Copy the narrow constant into
3641 a new pseudo before extending it to its final width.
3643 2006-04-16 Roger Sayle <roger@eyesopen.com>
3644 Andrew Pinski <pinskia@gcc.gnu.org>
3645 Dale Johannesen <dalej@apple.com>
3648 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3649 special case code to implement V8HImode and V16QImode with SSE2.
3651 2006-04-15 Roger Sayle <roger@eyesopen.com>
3653 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3654 trees are constructed with a suitable tree type.
3656 2006-04-15 Roger Sayle <roger@eyesopen.com>
3658 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3659 (integer_onep): Likewise.
3660 (integer_all_onesp): Likewise.
3661 (integer_pow2p): Likewise.
3662 (integer_nonzerop): Likewise.
3663 (real_zerop): Likewise.
3664 (real_onep): Likewise.
3665 (real_twop): Likewise.
3666 (real_minus_onep): Likewise.
3667 (int_size_in_bytes): Likewise.
3668 (host_integerp): Likewise.
3670 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3672 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3673 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3674 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3676 * tree-ssa-structalias.h (alias_info): Remove num_references.
3678 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3680 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3681 (output_bvb patterns): Likewise.
3682 * pa.c (output_bb): Use 'bb' insn for long branch case.
3683 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3684 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3685 1. Correct length operand for alternatives 1 and 2.
3686 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3687 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3689 2006-04-14 Roger Sayle <roger@eyesopen.com>
3691 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3692 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3693 were accidentally reverted by r112959.
3695 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3698 * except.h (eh_region_outermost): New prototype.
3699 * except.c (eh_region_outermost): New function.
3700 * tree-cfg.c (find_outermost_region_in_block): Use it.
3702 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3704 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3706 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3707 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3708 (init_reload, reload): Use VEC instead of VARRAY.
3709 * reload.h: Update the prototype for
3710 reg_equiv_memory_loc_varray.
3712 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3713 Eric Botcazou <ebotcazou@libertysurf.fr>
3715 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3718 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3721 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3722 to expand fallback builtin function call.
3724 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3727 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3728 and emit libcall here in case the builtin fails.
3729 (expand_builtin_strcmp): Always emit the libcall here on failure.
3731 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3733 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3734 * flow.c (reg_n_info): Change the type to
3735 VEC(reg_info_p,heap) *.
3736 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3738 * regs.h (reg_info_p): New.
3739 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3740 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3741 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3744 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3746 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3748 * params.h (MAX_SCHED_READY_INSNS): New macro.
3749 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3750 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3751 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3752 the ready list for 1 cycle during the first scheduling pass.
3753 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3755 2006-04-13 Richard Henderson <rth@redhat.com>
3758 * gimple-low.c (lower_omp_directive): Remove dead code.
3759 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3760 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3761 * omp-low.c (struct omp_region): Move to tree-flow.h.
3762 (root_omp_region): Export.
3763 (omp_regions, lookup_omp_region): Remove.
3764 (determine_parallel_type): Update for struct omp_region changes.
3765 (dump_omp_region): Dump regions with block numbers.
3766 (new_omp_region): Take type and block instead of stmt; malloc
3768 (free_omp_region_1, free_omp_regions): New.
3769 (expand_parallel_call): Take entry_stmt as argument; update for
3770 changes to omp_region.
3771 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3772 (remove_exit_barriers): New.
3773 (expand_omp_parallel): Update for struct omp_region changes.
3774 (expand_omp_synch): Likewise.
3775 (expand_omp): Likewise.
3776 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3777 (expand_omp_for_static_chunk): Likewise.
3778 (expand_omp_for): Likewise.
3779 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3780 (expand_omp_sections): Similarly, with GOMP_sections_end.
3781 (expand_omp_single): New.
3782 (build_omp_regions_1): Update for OMP_CONTINUE.
3783 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3784 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3785 OMP_SECTIONS_SECTIONS.
3786 (lower_omp_single_simple): Don't emit barrier here.
3787 (lower_omp_single_copy): Likewise.
3788 (lower_omp_single): Fix bindings, and lower to straightline now.
3789 (lower_omp_master, lower_omp_ordered): Likewise.
3790 (lower_omp_critical): Likewise.
3791 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3792 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3793 omp edges, free it afterward.
3794 (make_omp_sections_edges): Remove.
3795 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3796 (move_stmt_r): Handle OMP_CONTINUE.
3797 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3798 statement pointers to basic blocks. Add type member.
3799 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3800 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3801 * tree-inline.c (estimate_num_insns_1): Likewise.
3802 * tree-pretty-print.c (dump_generic_node): Likewise.
3803 * tree-ssa-operands.c (get_expr_operands): Likewise.
3804 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3805 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3806 (OMP_CONTINUE): New.
3807 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3808 (OMP_SECTIONS_SECTIONS): Remove.
3809 (OMP_SECTION_LAST): New.
3810 (OMP_RETURN_NOWAIT): New.
3812 2006-04-13 Roger Sayle <roger@eyesopen.com>
3814 * fold-const.c (native_encode_vector, native_interpret_real):
3815 Correct obvious mistakes in the previous check-in.
3817 2006-04-13 Roger Sayle <roger@eyesopen.com>
3819 * fold-const.c (native_encode_expr): New function to encode
3820 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3821 or VECTOR_CST into a specified buffer.
3822 (native_encode_int): New function.
3823 (native_encode_real): New function.
3824 (native_encode_complex): New function.
3825 (native_encode_vector): New function.
3826 (native_interpret_expr): Inverse of native_encode_expr to convert
3827 a target representation into an INTEGER_CST, REAL_CST etc...
3828 (native_interpret_int): New function.
3829 (native_interpret_real): New function.
3830 (native_interpret_complex): New function.
3831 (native_interpret_vector): New function.
3832 (fold_view_convert_expr): New function to constant fold/evaluate
3833 a VIEW_CONVERT_EXPR of a suitable constant expression.
3834 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3835 Change call of build1 to fold_build1 when constructing a
3838 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3839 Ulrich Weigand <uweigand@de.ibm.com>
3842 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3845 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3848 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3849 optimize to lo_sum for DFmode if !TARGET_FPRS.
3851 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3853 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3854 delete_alias_info, compute_flow_sensitive_aliasing,
3855 group_aliases): Use VEC instead of VARRAY.
3856 * tree-ssa-structalias.c (update_alias_info): Likewise.
3857 * tree-ssa-structalias.h (alias_info): Change the type of
3858 processed_ptrs to VEC(tree,heap) *.
3860 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3863 * config/sh/lib1funcs.h: New file, broken out of:
3864 * config/sh/lib1funcs.asm.
3865 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3867 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3868 * config/sh/lib1funcs-Os-4-200.asm: New file.
3869 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3870 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3871 (EXTRA_MULTILIB_PARTS): Include it.
3872 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3873 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3874 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3875 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3878 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3880 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3881 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3882 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3884 * tree-ssa-live.h: Include vecprim.h.
3885 (tree_partition_associator_d): Change the type of
3886 first_partition to VEC(int,heap) *.
3887 (tpa_first_partition): Use VEC instead of VARRAY.
3889 * Makefile.in (GTFILES): Move functions.h after tree.h.
3890 * function.c (reset_block_changes, record_block_change,
3891 check_block_change, free_block_changes): Use VEC instead of
3893 * function.h (function): Change the type of
3894 ib_boundaries_block to VEC(tree,gc) *.
3895 * tree-inline.c (copy_cfg_body): Initialize
3896 ib_boundaries_block to NULL instead of (varray_type) 0.
3898 2006-04-12 Roger Sayle <roger@eyesopen.com>
3900 * expr.c (emit_group_store): Correct operand order in call to
3901 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3902 a SUBREG_BYTE of zero.
3904 2006-04-12 Richard Guenther <rguenther@suse.de>
3906 * profile.c (compute_branch_probabilities): Remove code
3907 encapsulated in !ir_type (), which are remanents of the
3908 removed RTL profiling code.
3909 * rtl-profile.c: Remove.
3911 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3913 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3914 magic NULL_RTX comment.
3915 (function_arg): Store entire fp arg to mem if any part should go
3917 (rs6000_arg_partial_bytes): Adjust for above change.
3919 2006-04-11 Roger Sayle <roger@eyesopen.com>
3921 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3922 if it hasn't been initialized by dwarf2out_init.
3924 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3926 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3927 symbolic constants in branch patterns.
3929 2006-04-11 Roger Sayle <roger@eyesopen.com>
3931 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3933 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3935 PR rtl-optimization/27073
3936 * gcse.c (try_replace_reg): Revert last change. Continue to search
3937 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3940 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3942 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3943 aggregate types other than record and union types.
3944 (function_arg): Likewise.
3945 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3947 (function_value): In 64-bit mode, return objects that require it
3950 2006-04-11 Roger Sayle <roger@eyesopen.com>
3952 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3954 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3956 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3958 2006-04-03 Jeff Law <law@redhat.com>
3961 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3962 alias information too.
3964 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3966 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3968 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3971 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3972 (premark_used_types_helper): New.
3973 (premark_used_types): New.
3974 (gen_subprogram_die): Call premark_used_types.
3975 (prune_unused_types_walk): Do not prune perennial dies.
3976 * function.c (used_types_insert): New.
3977 * function.h (struct function): Add used_types_hash field.
3978 (used_types_insert): Add prototype.
3979 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3980 * c-parser.c (c_parser_cast_expression): Save casted types in used
3983 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3986 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3987 rs6000_explicit_options.float_gprs.
3989 2006-04-10 Roger Sayle <roger@eyesopen.com>
3991 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3992 from ix86_expand_vector_init_low_nonzero. Take an additional
3993 one_var argument indicating which element is non-zero. Support
3994 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3995 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3996 with one_var instead of ix86_expand_vector_init_low_nonzero.
3998 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4000 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4001 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4002 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4003 build/genextract.o): Depend on vecprim.h.
4004 * cfglayout.c, df-problems.c, function.c, genextract.c,
4005 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4006 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4010 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4012 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4013 Declare VECs of this type.
4014 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4015 (remove_children): Delete.
4016 (add_dwarf_attr): Use VEC routines.
4017 (add_AT_flag): Update for changes to add_dwarf_attr.
4018 (add_AT_int): Likewise.
4019 (add_AT_unsigned): Likewise.
4020 (add_AT_long_long): Likewise.
4021 (add_AT_vec): Likewise.
4022 (add_AT_string): Likewise.
4023 (add_AT_die_ref): Likewise.
4024 (add_AT_fde_ref): Likewise.
4025 (add_AT_loc): Likewise.
4026 (add_AT_loc_list): Likewise.
4027 (add_AT_addr): Likewise.
4028 (add_AT_lbl_id): Likewise.
4029 (add_AT_lineptr): Likewise.
4030 (add_AT_macptr): Likewise.
4031 (add_AT_offset): Likewise.
4032 (add_AT_range_list): Likewise.
4033 (get_AT): Use VEC_iterate.
4034 (remove_AT): Use VEC_ordered_remove.
4035 (free_die): Fold remove_children into here; have it use VEC_iterate.
4036 (print_die): Use VEC_iterate on attrs.
4037 (reverse_die_lists): Don't reverse attr lists.
4038 (die_checksum): Use VEC_iterate on attrs.
4039 (same_die_p): Likewise.
4040 (output_location_lists): Likewise.
4041 (build_abbrev_table): Likewise.
4042 (size_of_die): Likewise.
4043 (unmark_all_dies): Likewise.
4044 (output_abbrev_section): Likewise.
4045 (output_die): Likewise.
4046 (prune_unused_types_walk_attribs): Likewise.
4048 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4050 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4052 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4055 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4057 2006-04-09 Roger Sayle <roger@eyesopen.com>
4059 * expr.c (store_constructor): Don't bother clearing target if
4060 we're about to assign a vector to it using vec_init_optab.
4062 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4064 * tree-ssa-alias.c (lhs_may_store_to): New function.
4065 (recalculate_used_alone): Handle LHS of calls.
4067 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4071 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4072 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4073 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4074 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4075 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4076 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4077 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4078 stubs. Add ".align 8" directives before all ".dword" directives.
4079 (GTHREAD_USE_WEAK): Revise comment.
4080 (TARGET_ATTRIBUTE_WEAK): Define.
4081 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4082 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4083 * stublib.c: New file.
4088 * pa.md (cbranch patterns): Revise arguments used in calls to
4089 output_cbranch, output_bb and output_bvd. Add long branch length
4091 (fbranch patterns): Handle long branches.
4092 (jump): Revise length check. Revise arguments for output_lbranch call.
4093 Add long branch length attributes.
4094 (decrement_and_branch_until_zero): Add long branch length attributes.
4095 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4096 Likewise. Revise arguments for output_parallel_addb and
4097 output_parallel_movb calls.
4098 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4099 output_parallel_movb and output_parallel_addb): Update prototypes.
4100 * pa.c (output_cbranch): Revise arguments. Correct handling of
4101 nullification in long branches.
4102 (output_lbranch): Add new argument to control extraction of delay
4104 (output_bb): Handle long branches.
4105 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4106 output_parallel_addb): Likewise.
4108 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4110 PR rtl-optimization/27073
4111 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4114 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4116 * tree.h (tree_memory_tag): Add old_used_alone.
4117 (SMT_OLD_USED_ALONE): New macro.
4118 * tree-ssa-alias.c (recalculate_used_alone): Stop
4119 marking things for renaming unnecessarily.
4121 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4123 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4124 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4125 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4126 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4127 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4128 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4129 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4130 spelling convensions.
4131 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4132 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4133 typos. Follow spelling conventions.
4135 2006-04-07 DJ Delorie <dj@redhat.com>
4137 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4138 passed on the stack.
4139 (m32c_init_cumulative_args): When a function returns a structure,
4140 always pass the pointer to that return area on the stack.
4141 (m32c_function_arg_advance): Don't increment the parameter number
4142 if we're processing the returned structure pointer.
4143 (pushm_info): Reverse order of registers.
4145 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4147 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4148 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4149 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4150 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4152 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4153 chrec_fold_multiply): Same.
4154 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4155 force_expr_to_var_cost): Same.
4156 * tree-mudflap.c (mf_xform_derefs_1): Same.
4157 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4159 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4161 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4162 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4165 2006-04-07 Jan Hubicka <jh@suse.cz>
4167 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4169 2006-04-07 Richard Guenther <rguenther@suse.de>
4171 PR tree-optimization/26135
4172 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4173 loads for store copy-prop.
4174 (copy_prop_visit_stmt): Likewise.
4176 2006-04-05 Robert Millan <robertmh@gnu.org>
4178 * config/i386/linux.h: Add a comment to mark macros that are
4179 being overriden in config/k*bsd-gnu.h.
4180 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4182 * config/knetbsd-gnu.h: Ditto.
4184 2006-04-06 Jan Hubicka <jh@suse.cz>
4188 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4191 2006-04-06 Mike Stump <mrs@apple.com>
4193 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4194 for HAVE_nonlocal_goto to be consistent.
4195 (expand_builtin_nonlocal_goto): Likewise.
4196 (expand_builtin_strcmp): Use #ifdef instead of #if
4197 for HAVE_cmpstrnsi to be consistent.
4199 2006-04-05 DJ Delorie <dj@redhat.com>
4201 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4204 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4206 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4207 got-relative addressing for anything but SImode.
4209 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4210 even if the calling function doesn't modify them.
4212 2006-04-05 Richard Guenther <rguenther@suse.de>
4214 PR tree-optimization/26919
4215 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4216 to cgraph_estimate_size_after_inlining.
4218 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4220 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4222 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4224 PR tree-optimization/26996
4225 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4226 VECTOR_TYPE variables.
4228 2006-04-05 Richard Guenther <rguenther@suse.de>
4230 PR tree-optimization/26763
4231 * fold-const.c (fold_comparison): Move folding of
4232 PTR + CST CMP PTR + CST ...
4233 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4235 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4237 * doc/install.texi (Prerequisites): Refine some wording on
4238 bootstrapping and ksh.
4239 Move the version numbers of DejaGnu here from the testing section
4240 and fix casing of names.
4241 Fix markup and clarify wording for autogen requirements.
4242 Refer to GCJ instead of just java.
4243 Refer to SVN instead of CVS.
4244 Describe diffutils as useful instead of necessary.
4245 (Downloading the source): Refer to SVN instead of CVS.
4246 Adjust a link to our web site accordingly.
4247 (Configuration): Fix casing of Bison.
4248 (Building): Refer to SVN instead of CVS.
4249 Fix a sentence on the use of Bison and remove duplicate (and
4250 incorrect) version number of Bison requirement.
4251 Remove one redundant list of packages needed for building.
4252 (Specific): Avoid reference to CVS.
4254 2006-04-04 Eric Christopher <echristo@apple.com>
4256 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4257 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4258 (rs6000_handle_struct_attribute): New.
4259 (rs6000_ms_bitfield_layout_p): Ditto.
4261 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4263 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4264 NULL for dso parameter to atexit_common.
4266 2006-04-04 Eric Christopher <echristo@apple.com>
4268 * config/i386/i386.c (machopic_output_stub): Output \t
4269 between instructions and operands.
4271 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4273 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4274 satisfies_constraint_[IL] to explicit tests on value.
4276 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4278 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4279 set_nb_iterations_in_loop): Use build_int_cst instead of
4281 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4282 build_int_cst instead of convert.
4284 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4286 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4287 new value 2 for incoming.
4288 * function.c (expand_function_start): Call struct_value_rtx
4290 * config/sparc/sparc.md: Comment updated_return.
4291 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4292 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4293 struct return if sparc_std_struct_return and incoming is 2.
4294 (print_operand): Do not adjust return if
4295 sparc_std_struct_return.
4297 2006-04-04 Roger Sayle <roger@eyesopen.com>
4299 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4300 convert in the middle-end.
4301 * expr.c (store_expr, store_constructor, get_inner_reference,
4302 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4304 * tree.c (build_range_type): Likewise.
4306 2006-04-04 Tom Tromey <tromey@redhat.com>
4308 * doc/install.texi (Prerequisites): Mention jar.
4310 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4312 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4315 2006-04-04 Matthias Klose <doko@debian.org>
4317 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4318 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4321 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4323 * doc/extend.texi (Function Attributes): Rewrite visibility
4324 attribute documentation.
4325 * doc/invoke.texi (C++ Dialect Options): Rewrite
4326 -fvisibility-inlines-hidden documentation to describe something
4327 entirely different, although in practise compatible.
4328 (Code Gen Options): Warn about system headers in -fvisibility=
4331 * doc/extend.texi (Other Builtins): Document that
4332 __builtin_nan is a compile-time constant only when its argument
4335 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4337 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4338 trying to remove TRUNCATE check if all bits outside the new mode
4339 are identical to the sign bit.
4341 2006-04-03 Jeff Law <law@redhat.com>
4343 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4344 and operand scanning in some common cases.
4346 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4347 Dale Johannesen <dalej@apple.com>
4350 * regclass.c (struct reg_pref): Update documentation.
4351 (regclass): Set prefclass to NO_REGS if memory is the best option.
4352 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4353 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4354 into account. For non-registers, equate an empty preferred
4355 reload class to a `!' in the constraint; move the if clause to
4356 do so after those that reject the insn.
4357 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4359 (find_dummy_reload): Likewise.
4360 * doc/tm.texi (Register Classes): Document what it means
4361 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4362 * config/i386/i386.c (ix86_preferred_reload_class): Force
4363 using SSE registers (and return NO_REGS for floating-point
4364 constants) if math is done with SSE.
4365 (ix86_preferred_output_reload_class): New.
4366 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4367 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4368 * config/i386/i386.md: Remove # register preferences.
4370 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4373 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4374 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4375 the type of nb_iter.
4376 (instantiate_parameters_1): Convert the operands before calling
4377 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4378 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4380 2006-04-02 Roger Sayle <roger@eyesopen.com>
4382 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4383 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4385 * dojump.c (do_jump): Likewise.
4386 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4387 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4388 gimplify_boolean_expr): Likewise.
4389 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4390 * varasm.c (array_size_for_constructor): Likewise.
4391 * tree-object-size.c (compute_object_offset): Likewise.
4393 2006-04-02 Roger Sayle <roger@eyesopen.com>
4396 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4397 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4399 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4401 PR tree-optimization/26939
4402 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4404 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4406 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4407 at_stmt. Convert the type of operands before calling
4408 build_polynomial_chrec.
4409 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4411 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4412 (instantiate_parameters_1): Convert the type of operands before calling
4413 build_polynomial_chrec.
4414 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4415 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4416 reset_evolution_in_loop): Insert asserts to check the types of the
4418 (chrec_type): Moved...
4419 (eq_evolutions_p): Use operand_equal_p.
4420 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4421 the types of the operands.
4422 (chrec_type): ...here.
4423 * tree-data-ref.c (create_data_ref): Convert the operands before
4424 calling chrec_replace_initial_condition.
4425 (same_access_functions, analyze_subscript_affine_affine,
4426 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4427 (compute_subscript_distance, analyze_ziv_subscript,
4428 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4429 analyze_miv_subscript): Convert the operands before calling
4430 chrec_fold_minus or chrec_fold_plus.
4432 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4434 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4435 the dependence_relations vector.
4436 (compute_data_dependences_for_loop): Adjust call to
4437 compute_all_dependences.
4439 2006-04-01 Roger Sayle <roger@eyesopen.com>
4440 Richard Henderson <rth@redhat.com>
4442 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4443 gimple_boolify on the condition before calling gimplify_expr.
4445 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4447 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4448 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4449 the frame size. Update to use the new macros.
4450 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4451 * config/xtensa/ieee754-df.S: Likewise.
4453 2006-03-31 Richard Henderson <rth@redhat.com>
4455 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4456 (make_edges): ... here. Control fallthru creation with a local
4457 variable. Do not play with fake edges.
4458 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4459 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4462 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4464 * dwarf2.h (DW64_CIE_ID): Define.
4465 * dwarf2out.c (DWARF_CIE_ID): Define.
4466 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4467 length header. Use DWARF_CIE_ID.
4468 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4469 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4471 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4473 * config/sh/linux-atomic.asm: New file.
4474 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4476 2006-03-31 DJ Delorie <dj@redhat.com>
4478 * config/m32c/cond.md: Set condition flags properly throughout.
4479 * config/m32c/minmax.md: Likewise.
4480 * config/m32c/prologue.md: Likewise.
4481 * config/m32c/bitops.md: Likewise.
4482 * config/m32c/muldiv.md: Likewise.
4483 * config/m32c/mov.md: Likewise.
4484 * config/m32c/addsub.md: Likewise.
4485 * config/m32c/m32c.md: Likewise.
4486 * config/m32c/jump.md: Likewise.
4487 * config/m32c/shift.md: Likewise.
4489 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4490 conditionally output the pattern for this.
4491 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4492 (m32c_compare_redundant): New.
4493 (m32c_output_compare): New.
4494 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4496 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4497 dest, not src. Allow other 4-byte modes.
4499 2006-03-30 Denis Chertykov <denisc@overta.ru>
4501 * doc/md.texi: Refer to avr/constraints.md instead of
4504 2006-03-30 Roger Sayle <roger@eyesopen.com>
4506 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4507 signed vs. unsigned comparison failures on some hosts.
4509 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4512 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4513 change to FLOAT_REGS.
4515 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4516 (rs6000_override_options): Use it.
4517 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4518 only for -mabi=spe/no-spe and -mabi=altivec.
4520 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4522 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4525 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4527 * Makefile.in: Rename docdir to gcc_docdir.
4529 2006-03-30 Roger Sayle <roger@eyesopen.com>
4532 * expr.c (emit_group_store): Optimize group stores into a pseudo
4533 register by using a paradoxical subreg to initialize the destination
4534 if the first or last member of the group specifies a "low part".
4536 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4539 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4540 * target.h (struct gcc_target.speculate_insn): Change type of the
4541 second parameter to 'int'.
4542 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4543 the second operand of the DEPS_LIST.
4544 (copy_DEPS_LIST_list): Update reference to the second operand of the
4546 * rtl.h (alloc_DEPS_LIST): Update signature.
4547 * sched-int.h (ds_t): Change typedef to 'int'.
4548 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4550 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4552 * haifa-sched.c (try_ready): Change condition to restore
4553 non-speculative pattern of the instruction.
4554 (process_insn_depend_be_in_spec): Code to keep probability of the
4555 speculative dependence non-decreasing.
4557 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4559 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4560 (single_move_for_movmem): ... this. Also change all uses.
4561 (bfin_expand_strmov): Renamed to...
4562 (bfin_expand_movmem): ... this. Also change all uses.
4563 * config/bfin/bfin.md (movstrsi): Renamed to...
4564 (movstrsi): ...this.
4566 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4568 PR tree-optimization/26830
4570 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4571 (copy_prop_visit_stmt): Remove write-only variable ann.
4572 (init_copy_prop): Check variable loop depth here. Do not simulate
4573 memory-tag and virtual operand PHIs except for store copy prop.
4575 2006-03-30 Richard Guenther <rguenther@suse.de>
4577 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4578 variants with double arguments.
4580 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4582 * genpreds.c (write_tm_constrs_h): Delete variable p.
4583 * genconditions.c (write_header): Add tm-constrs.h to included
4585 * genpeep.c (main): Add toplev.h to included headers.
4586 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4587 (build/genpeep.o): Add toplev.h dependency.
4588 * config/rs6000/constraints.md: Add "W" constraint.
4590 2006-03-29 Roger Sayle <roger@eyesopen.com>
4592 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4593 sizes by correctly testing whether the size fits a host integer.
4594 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4595 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4596 SImode range for the default sizetype and bitsizetype.
4598 2006-03-29 Roger Sayle <roger@eyesopen.com>
4600 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4601 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4602 quickly if the argument is already of the correct type.
4603 Call fold_build1 instead of build1. Tidy up blank lines.
4605 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4607 * genemit.c (main): Add tm-constrs.h to included headers.
4608 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4609 * genpeep.c (main): Add tm-constrs.h to included headers.
4610 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4611 (write_tm_constrs_h): this and write complete file.
4612 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4613 (write_insn_preds_c): Add tm-constrs.h to included headers.
4614 (gen_constrs): New variable.
4615 (parse_option): Parse "-c".
4616 (main): Invoke write_tm_constrs_h.
4617 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4618 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4619 (object_out_file): Add tm-constrs.h dependency.
4620 (insn-emit.o): Same.
4621 (insn-output.o): Same.
4622 (insn-peep.o): Same.
4623 (insn-preds.o): Same.
4624 (insn-recog.o): Same.
4625 (tm-constsr.h): New target.
4626 (s-constrs-h): New target.
4628 * config/rs6000/constraints.md: New file.
4629 * config/rs6000/rs6000.c: Include tm-constrs.h.
4630 (num_insn_constant_wide): Convert to satisfies_constraint.
4631 (rs6000_rtx_costs): Convert to satisfies_constraint.
4632 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4633 (CONST_OK_FOR_LETTER_P): Delete.
4634 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4635 (EXTRA_CONSTRAINT): Delete.
4636 (EXTRA_MEMORY_CONSTRAINT): Delete.
4637 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4638 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4639 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4640 satisfies_constraint.
4642 * config/i386/i386.c: Include tm-constrs.h.
4644 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4646 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4647 * tree-data-ref.c (find_data_references_in_loop,
4648 compute_data_dependences_for_loop): Use pointers to VEC.
4649 (analyze_all_data_dependences): Adjust calls.
4650 * tree-data-ref.h (find_data_references_in_loop,
4651 compute_data_dependences_for_loop): Adjust declarations.
4652 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4653 compute_data_dependences_for_loop.
4655 2006-03-29 Paul Brook <paul@codesourcery.com>
4657 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4660 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4662 PR tree-optimization/26859
4663 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4665 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4666 for the step after fold_convert.
4668 2006-03-29 Paul Brook <paul@codesourcery.com>
4670 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4671 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4673 2006-03-29 Paul Brook <paul@codesourcery.com>
4676 * targhooks.c (default_narrow_bitfield): New fuction.
4677 * targhooks.h (default_narrow_bitfield): add prototype.
4678 * target.h (gcc_target): Add narrow_volatile_bitfield.
4679 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4680 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4681 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4682 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4684 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4686 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4688 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4689 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4690 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4691 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4692 (s390_function_arg_float): Allow SDmode and DDmode values to be
4693 passed in floating point registers.
4694 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4695 check with SCALAR_FLOAT_MODE_P.
4696 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4698 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4700 PR tree-optimization/25985
4701 * tree-ssa-loop-niter.c (number_of_iterations_le,
4702 number_of_iterations_ne): Make comments more precise.
4703 (number_of_iterations_cond): Add only_exit argument. Use the
4704 fact that signed variables do not overflow only when only_exit
4706 (loop_only_exit_p): New.
4707 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4708 number_of_iterations_cond.
4710 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4712 PR tree-optimization/26643
4713 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4716 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4718 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4719 (divsi3_i4_int): Likewise.
4721 2006-03-28 Roger Sayle <roger@eyesopen.com>
4723 * expr.c (emit_group_store): Only create a new pseudo reg if the
4724 quantity it needs to hold isn't already a suitable pseudo.
4726 2006-03-28 Jeff Law <law@redhat.com>
4728 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4729 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4731 2006-03-28 Roger Sayle <roger@eyesopen.com>
4733 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4734 the equivalent ~X & Y, and the symmetry related transformations.
4735 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4736 ~X & Y, and symmetry related transforms.
4738 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4740 Revert my 2006-03-27 patches.
4742 2006-03-28 Roger Sayle <roger@eyesopen.com>
4744 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4745 ~(T1)X, when T1 and T2 are integer types of the same precision
4746 and (T2)X isn't an extension.
4748 2006-03-28 Jeff Law <law@redhat.com>
4750 PR tree-optimization/26796
4751 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4752 need EH edge cleanups rather than purging them immediately.
4753 (eliminate_degenerate_phis): Handle queued EH cleanups.
4755 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4757 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4760 2006-03-27 Roger Sayle <roger@eyesopen.com>
4763 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4764 cast BIT_NOT_EXPR operand to the correct type.
4766 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4768 * tree-loop-linear.c: Don't include varray.h.
4769 (gather_interchange_stats, try_interchange_loops,
4770 linear_transform_loops): Use VEC instead of VARRAY.
4771 * lambda-mat.c: Don't include varray.h.
4772 * tree-chrec.c: Same.
4773 * lambda-trans.c: Same.
4774 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4775 VEC instead of VARRAY.
4776 * tree-vectorizer.h: Idem.
4777 * tree-data-ref.c (dump_data_references,
4778 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4779 initialize_data_dependence_relation, finalize_ddr_dependent,
4780 compute_all_dependences, find_data_references_in_loop,
4781 compute_data_dependences_for_loop, analyze_all_data_dependences,
4782 free_dependence_relation, free_dependence_relations,
4783 free_data_refs): Idem.
4784 * tree-data-ref.h (data_reference_p, subscript_p): New.
4785 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4786 VEC instead of VARRAY.
4787 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4788 (find_data_references_in_loop, compute_data_dependences_for_loop,
4789 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4790 dump_data_dependence_relations, free_dependence_relations,
4791 free_data_refs): Adjust declaration.
4792 (lambda_transform_legal_p): Move declaration here...
4793 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4794 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4795 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4796 vect_analyze_data_refs): Use VEC instead of VARRAY.
4797 * lambda.h (lambda_transform_legal_p): ...from here.
4798 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4799 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4800 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4801 tree-chrec.o): Don't depend on VARRAY_H.
4803 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4805 * rtl.def (Copyright): Update date.
4806 (DEPS_LIST): Change type of the second operand to 'int'.
4807 * target.h (Copyright): Update date.
4808 (struct gcc_target.speculate_insn): Change type of the second parameter
4810 * lists.c (Copyright): Update date.
4811 (alloc_DEPS_LIST): Change signature. Update reference to the second
4812 operand of the DEPS_LIST.
4813 (copy_DEPS_LIST_list): Update reference to the second operand of the
4815 * rtl.h (Copyright): Update date.
4816 (alloc_DEPS_LIST): Update signature.
4817 * sched-int.h (Copyright): Update date.
4818 (ds_t): Change typedef to 'int'.
4819 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4821 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4823 * haifa-sched.c (Copyright): Update date.
4824 (try_ready): Change condition to restore non-speculative pattern
4826 (process_insn_depend_be_in_spec): Code to keep probability of the
4827 speculative dependence non-decreasing.
4829 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4831 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4832 shut up the compiler.
4834 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4836 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4837 to use lib prefix for target.
4838 ($(T)libic_invalidate_array_4-200.a): Likewise.
4839 ($(T)libic_invalidate_array_4a.a): Likewise.
4841 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4842 J"orn Rennecke <joern.rennecke@st.com>
4844 * superh.opt: New file.
4845 * sh.c (boardtype, osruntime): Remove.
4846 * superh.h (SUBTARGET_OPTIONS): Remove.
4847 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4849 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4850 arguments with ^ and/or [].
4852 * config.gcc (sh-*-*): Add quoting to account for quirk of
4854 Replace == with = in enable_incomplete_targets test.
4856 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4857 with MASK_LITTLE_ENDIAN.
4859 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4860 * config/sh/sh.opt: Added to some comments.
4861 * config/sh/superh.h: Removed some chaff.
4863 * config/sh/sh.opt: Add m4-[1234]00* options.
4864 * config/sh/sh.c (sh_handle_option): Likewise.
4865 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4866 (ic_invalidate_array_4-100.o): New rule.
4867 ($(T)libic_invalidate_array_4-100.a): Likewise.
4868 (ic_invalidate_array_4-200.o): Likewise.
4869 ($(T)libic_invalidate_array_4-200.a): Likewise.
4870 (ic_invalidate_array_4a.o): Likewise.
4871 ($(T)libic_invalidate_array_4a.a): Likewise.
4872 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4873 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4875 * config/sh/crt1.asm: Merged in profiling code.
4876 * config/sh/superh.h (STARTFILE_SPEC): Override.
4877 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4878 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4879 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4881 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4882 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4883 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4885 * sh.opt (mpretend-cmove): New option.
4886 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4887 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4888 (movsicc): Add TARGET_PRETEND_CMOVE code.
4890 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4892 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4893 s390_class_max_nregs): New function prototypes.
4894 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4895 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4896 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4897 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4899 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4901 * dwarf2out.c (add_location_or_const_value_attribute): Call
4902 tree_add_const_value_attribute if nothing else works.
4903 (reference_to_unused): New.
4904 (rtl_for_decl_init): Use reference_to_unused to decide whether
4905 to output an initializer.
4907 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4910 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4911 peephole removing spe frob_di_df_2.
4913 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4915 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4916 (subscript_dependence_tester_1): Declared.
4917 (print_dir_vectors, print_dist_vectors): New.
4918 (debug_data_dependence_relation): New.
4919 (dump_data_dependence_relation): Print more details.
4920 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4921 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4922 (save_dist_v, save_dir_v, add_outer_distances,
4923 build_classic_dist_vector_1): New.
4924 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4925 Don't test for lambda_vector_lexico_pos.
4926 (same_access_functions, add_multivariate_self_dist,
4927 add_other_self_distances, dir_from_dist): New.
4928 (build_classic_dir_vector): Replace implementation almost identical to
4929 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4931 (subscript_dependence_tester_1): New.
4932 (subscript_dependence_tester): Handle the lexicographically negative
4933 distance vectors by recomputing the dependence relation.
4934 (compute_affine_dependence): Remove parameter loop_nest_depth.
4935 (compute_self_dependence): Don't call compute_subscript_distance.
4936 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4937 Add a parameter for the loop_nest.
4938 (find_loop_nest_1, find_loop_nest): New.
4939 (compute_data_dependences_for_loop): Compute the loop nest, and give
4940 up if the nest is not well formed.
4941 * tree-data-ref.h (loop_p): New.
4942 (struct data_dependence_relation): Replace size_vect field with
4943 loop_nest, a vec of loops.
4944 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4945 (DDR_LOOP_NEST): New.
4946 (print_dir_vectors, print_dist_vectors,
4947 debug_data_dependence_relation): Declared.
4948 (index_in_loop_nest): New.
4949 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4950 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4953 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4955 * simplify-rtx.c (simplify_relational_operation): Call
4956 simplify_relational_operation_1 even if mode is VOIDmode.
4958 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4960 PR tree-optimization/26804
4961 * tree.h (DECL_CALL_CLOBBERED): New macro.
4962 (tree_decl_common): Add call_clobbered_flag.
4963 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4964 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4965 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4966 (mark_non_addressable): Ditto.
4967 * tree-ssa.c (verify_call_clobbered): New function.
4968 (verify_alias_info): Use it.
4969 * tree-pass.h (pass_reset_cc_flags): New prototype.
4970 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4971 (reset_cc_flags): New function.
4972 * passes.c (init_optimization_passes): Call reset_cc_flags after
4973 initializing referenced_vars.
4975 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4976 Roger Sayle <roger@eyesopen.com>
4979 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4980 to 1.0 for non-real operands. Implement A / A optimization for
4983 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4985 * config/i386/i386.c (size_cost): Correct the comment for
4986 cost of storing fp registers.
4987 (i386_cost): Likewise.
4988 (i486_cost): Likewise.
4989 (pentium_cost): Likewise.
4990 (pentiumpro_cost): Likewise.
4991 (k6_cost): Likewise.
4992 (athlon_cost): Likewise.
4993 (k8_cost): Likewise.
4994 (pentium4_cost): Likewise.
4995 (nocona_cost): Likewise.
4996 (generic64_cost): Likewise.
4997 (generic32_cost): Likewise.
4999 2006-03-24 Denis Chertykov <denisc@overta.ru>
5001 * config/avr/avr-protos.h (extra_constraint): Delete.
5002 (extra_constraint_Q): New declaration.
5003 * config/avr/constraints.md: New file.
5004 * config/avr/avr.md: Include it.
5005 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5006 (TMP_REGNO, ZERO_REGNO): Likewise.
5007 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5008 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5009 (extra_constraint): Delete.
5010 (extra_constraint_Q): Test for memory constraint 'Q'.
5011 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5012 (REG_CLASS_FROM_LETTER): Delete.
5013 (CONST_OK_FOR_LETTER_P): Delete.
5014 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5015 (EXTRA_CONSTRAINT): Delete.
5016 (TMP_REGNO): Delete.
5017 (ZERO_REGNO): Delete.
5019 2006-03-24 Jeff Law <law@redhat.com>
5021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5022 directly. Call mark_new_vars_to_rename slightly earlier.
5024 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5026 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5028 (gen_compile_unit_die): Use new language types for Objective-C and
5030 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5031 DW_LANG_C_plus_plus.
5034 * config/t-darwin (crt3.o): Work around bug 26840.
5035 * config/darwin-crt3.c: Rewrite.
5036 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5038 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5040 * doc/invoke.texi: Document -femit-class-debug-always
5041 * common.opt: Add -femit-class-debug-always.
5043 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5045 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5046 index and base register.
5047 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5048 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5049 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5050 REGNO_OK_FOR_INDEX_P.
5051 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5053 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5054 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5055 REG_OK_FOR_BASE_P): Definitions removed.
5057 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5060 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5061 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5062 set yet or weren't marked as local yet.
5064 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5066 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5069 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5071 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5072 (rs6000_legitimate_small_data_p): Delete.
5073 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5074 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5075 and make static. Add forward declaration. Update uses.
5076 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5077 of offsettable_memref_p.
5078 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5079 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5081 2006-03-24 Jeff Law <law@redhat.com>
5083 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5084 around bug in immediate-use iterator.
5086 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5089 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5090 or __LITTLE_ENDIAN__.
5092 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5094 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5095 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5096 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5097 * config/sh/sh.opt (mdiv=): Amend description.
5098 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5099 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5100 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5101 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5102 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5103 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5104 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5105 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5106 TARGET_DIVIDE_CALL_FP.
5108 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5110 * haifa-sched.c (choose_ready): Fix type of the local variable.
5111 Move local variables. Add comment.
5112 (check_reg_live): Change signature. Make callable from debugger.
5113 * sched-int.h (check_reg_live): Update signature.
5114 * sched-ebb.c (check_reg_live): Update parameters.
5115 * sched-rgn.c (check_reg_live): Ditto.
5116 (region_head_or_leaf_p): Check pointer before dereferencing.
5117 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5118 before reload on optimization levels below 1.
5120 2006-03-23 Richard Henderson <rth@redhat.com>
5122 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5126 * config/alpha/predicates.md (local_symbolic_operand): Reject
5129 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5132 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5133 expressions which have overflowed constants.
5135 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5137 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5139 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5141 * cfgloopmanip.c (create_loop_notes): Removed.
5142 * final.c (final_scan_insn): Do not handle loop notes.
5143 * jump.c (squeeze_notes): Ditto.
5144 * cfglayout.c (skip_insns_after_block,
5145 duplicate_insn_chain): Ditto.
5146 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5148 * cfgloop.h (create_loop_notes): Declaration removed.
5150 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5152 * varasm.c (output_constant_pool): Restore fnname and fndecl
5154 (assemble_start_function): Adjust call accordingly.
5155 (assemble_end_function): Likewise.
5157 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5160 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5163 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5165 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5168 * system.h (ICE_EXIT_CODE): New macro.
5169 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5170 (diagnostic_action_after_output): Likewise.
5171 * gcc.c (fatal_ice): New function.
5172 (execute): Use it instead of fatal.
5173 (fancy_abort): Likewise.
5174 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5176 2006-03-22 Jeff Law <law@redhat.com>
5178 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5179 iv_analyze_result returning false.
5181 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5183 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5185 2006-03-22 Richard Henderson <rth@redhat.com>
5188 * except.c (duplicate_eh_regions_0): New.
5189 (duplicate_eh_region_1): Duplicate the children of the node as
5190 well as the node itself. Link them up properly.
5191 (duplicate_eh_region_2): Merge into ...
5192 (duplicate_eh_regions): ... here. Take copy_region argument, and
5193 copy only a sub-tree if asked. Simplify copying and fixup.
5194 (eh_region_outer_p): New.
5195 * except.h (duplicate_eh_regions): Update decl.
5196 (eh_region_outer_p): Declare.
5197 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5198 (lower_omp_master): Likewise.
5199 (lower_omp_ordered): Likewise.
5200 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5201 (move_stmt_r): Use it to remap labels. Handle recursion vs
5202 remap_decls_p properly.
5203 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5204 (find_outermost_region_in_block): New.
5205 (new_label_mapper): New.
5206 (move_sese_region_to_fn): Copy eh information to the new function
5208 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5210 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5213 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5215 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5216 into shared libraries.
5218 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5220 * doc/md.texi: Refer to i386/constraints.md instead of
5222 * config/i386/constraints.md: New file, extracted from...
5223 * config/i386/predicates.md: ...here.
5224 * config/i386/i386.md: Include constraints.md.
5226 2006-03-21 Jason Merrill <jason@redhat.com>
5228 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5231 * expr.c (init_block_move_fn): Force default visibility.
5232 (init_block_clear_fn): Likewise.
5233 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5234 * targhooks.c (default_external_stack_protect_fail): Likewise.
5236 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5238 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5239 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5240 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5241 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5242 (loadgp): Use mips_current_loadgp_style.
5243 (loadgp_noshared): New pattern.
5244 (sibcall_internal): Use MIPS_CALL.
5245 (sibcall_value_internal): Likewise.
5246 (sibcall_value_multiple_internal): Likewise.
5247 (call_internal): Likewise.
5248 (call_value_internal): Likewise.
5249 (call_value_multiple_internal): Likewise.
5250 (call_split): Use MIPS_CALL and add an 'S' constraint.
5251 (call_value_split): Likewise.
5252 (call_value_multiple_split): Likewise.
5253 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5254 (-mshared): New option.
5255 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5256 (mips_current_loadgp_style): Declare.
5257 * config/mips/mips.c (mips_classify_symbol): Avoid using
5258 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5259 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5260 TARGET_ABSOLUTE_ABICALLS.
5261 (override_options): Adjust comments. Improve the warning that is
5262 issued when -mabicalls and -G are used together.
5263 (mips_file_start): Remove comment.
5264 (mips_current_loadgp_style): New function.
5265 (mips_gnu_local_gp): New variable.
5266 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5268 (mips_output_function_prologue): Use mips_current_laodgp_style.
5269 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5270 the cprestore instruction.
5271 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5272 live for TARGET_ABSOLUTE_ABICALLS.
5273 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5274 (ASM_SPEC): Pass down -mshared and -mno-shared.
5275 (MIPS_CALL): New macro.
5276 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5278 * doc/invoke.texi (-mabicalls): Update documentation.
5279 (-mshared): Document.
5281 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5283 * config/ia64/unwind-hpux.c: New file.
5284 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5286 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5289 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5291 2006-03-21 Jeff Law <law@redhat.com>
5293 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5294 type conversions of a VR_VARYING source to a wider type.
5296 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5298 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5299 tm_file on Solaris 10 and later.
5300 (sparc64-*-solaris2*): Likewise.
5301 (sparc-*-solaris2*): Likewise.
5302 * config/sol26.h: Rename to config/sol2-6.h.
5303 * config/sol2-10.h: New file.
5305 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5308 * tree-ssa-pre.c (create_component_ref_by_pieces):
5311 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5314 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5315 return it immediately.
5317 2006-03-21 Michael Matz <matz@suse.de>
5319 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5321 (remove_arc, add_arc): Update num_out_arcs member.
5322 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5324 (cache_presence): New function.
5325 (compare_states_for_equiv): New function.
5326 (state_is_differed): Don't take number of outargs, adjust callers.
5327 Use new invariant for speeding up.
5328 (init_equiv_class): Create initial classes based on sorted
5330 (partition_equiv_class): Don't track out_arcs_num.
5331 (evaluate_equiv_classes): Call cache_presence on all states and
5334 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5336 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5337 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5338 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5339 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5341 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5342 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5343 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5344 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5345 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5347 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5348 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5349 (REGNO_REG_CLASS): ARGP is in PREGS.
5350 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5352 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5353 to deal with those addresses.
5354 * addresses.h: New file.
5355 * caller-save.c: Include "addresses.h".
5356 (init_caller_save): Use new base_reg_class function.
5357 * rtl-factoring.c: Include "addresses.h".
5358 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5359 * recog.c: Include "addresses.h".
5360 (preprocess_constraints): Use new base_reg_class function.
5361 * regrename.c: Include "addresses.h".
5362 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5363 functions. Keep track of a new var INDEX_CODE to compute valid
5365 (replace_oldest_value_addr): Likewise.
5366 (replace_oldest_value_mem): Use base_reg_class.
5367 * reload.c: Include "addresses.h".
5368 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5369 (find_reloads): Use new base_reg_class function.
5370 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5371 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5372 all callers and prototype changed.
5373 * reload1.c: Include "addresses.h".
5374 (maybe_fix_stack_asms): Use base_reg_class.
5375 * regclass.c: Include "addresses.h".
5376 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5377 (init_reg_autoinc): Use new base_reg_class function.
5378 (record_reg_classes): Likewise.
5379 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5380 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5381 Use new args to compute necessary class.
5383 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5384 regrename.o, rtl-factoring.o): Update dependencies.
5385 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5386 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5387 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5388 REG_OK_FOR_INDEX_P): Delete documentation.
5390 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5392 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5393 from V7 to V9 for Solaris 7 and above.
5395 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5397 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5398 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5399 argument pointers may not alias any other storage.
5400 * common.opt: Define option -fargument-noalias-anything.
5401 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5402 alias semantics is specified by flag_argument_noalias > 2.
5404 2006-03-20 Jeff Law <law@redhat.com>
5406 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5407 (pass_phi_only_cprop): Declare.
5408 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5410 * tree-ssa-dom.c (degenerate_phi_result): New function.
5411 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5412 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5413 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5414 (eliminate_degenerate_phis): Likewise.
5415 (pass_phi_only_cprop): New pass descriptor.
5416 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5417 support code. Callers updated.
5418 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5419 (store_copy_prop): Likewise.
5420 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5422 2006-03-20 Jason Merrill <jason@redhat.com>
5425 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5426 (push_visibility, pop_visibility): Likewise.
5427 * c-pragma.h: Declare them.
5429 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5431 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5433 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5434 parameter and use get_ebb_head_tail.
5435 (sh_md_init_global): Adjust uses of find_regmode_weight.
5437 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5439 * function.h (struct function) <x_tail_recursion_reentry>:
5440 Rename to x_stack_check_probe_note.
5441 (tail_recursion_reentry): Rename to stack_check_probe_note.
5442 * function.c: Replace tail_recursion_reentry with
5443 stack_check_probe_note everywhere.
5444 (expand_function_start): Only emit a note for
5445 stack_check_probe_note with -fstack-protect.
5446 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5448 * emit-rtl.c (remove_unnecessary_notes): Remove.
5449 (pass_remove_unnecessary_notes): Remove.
5450 * rtl.h (remove_unnecessary_notes): Remove prototype.
5451 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5452 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5453 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5455 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5458 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5459 (valid_in_set): Handle ARRAY_REF.
5460 Change "if min_variant or VH" to asserts.
5461 (create_component_ref_by_pieces): Handle ARRAY_REF.
5462 (create_expression_by_pieces): Likewise.
5463 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5465 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5467 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5468 is operand of switch, not str[0].
5470 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5472 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5473 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5475 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5477 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5478 end of insn_extra_address_constraint declaration.
5480 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5482 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5483 (no-sum-in-toc): Same.
5484 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5486 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5487 NO_FP_IN_TOC for -fPIC instead of mask.
5489 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5490 (BOOT_LDFLAGS): Delete.
5492 * config/rs6000/t-aix52: Same.
5494 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5495 (stmsi[345678]_power): New.
5497 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5499 * config/ia64/ia64.opt: Add empty line to end of file.
5501 2006-03-17 Richard Guenther <rguenther@suse.de>
5504 * builtins.c (get_pointer_alignment): For component style references
5505 adjust alignment to the component type alignment. Make sure
5506 to adjust alignment for component access of constants.
5508 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5510 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5513 2006-03-17 Paul Brook <paul@codesourcery.com>
5515 * doc/install.texi: Docuemnt --with-mode.
5516 * config.gcc: Add --with-mode for arm*-*-*.
5517 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5519 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5521 * sh.c (max_labelno_before_reorg): New variable.
5522 (sh_reorg): Initialize it.
5523 (find_barrier): Check max_labelno_before_reorg before using
5524 label_to_alignment. Take length of explicit alignment insns
5525 into account. When seeing a UNSPECV_CONST_END, return it.
5527 * sh.c (fixup_mova): Set mode of affected label to QImode.
5528 (untangle_mova): New function.
5529 (find_barrier): Use it. Check mode of label before decrementing
5531 (sh_reorg): Likewise.
5532 Set mode of all insns back to VOIDmode.
5534 * sh.c (MOVA_LABELREF): New macro.
5535 (mova_p, fixup_mova, sh_reorg): Use it.
5536 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5537 ADDR_DIFF_VEC matches mova.
5539 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5541 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5542 with ATTRIBUTE_UNUSED.
5544 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5546 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5547 pointer, instead of assuming it is possible to derive the
5548 correct args size from a call insn.
5550 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5552 * rtl.h (CONST_INT_P): Define.
5553 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5554 instead of GET_CODE(x) == CONST_INT.
5555 (vax_rtx_costs): Likewise.
5556 (vax_output_int_move): Likewise.
5557 (vax_output_int_add): Likewise.
5558 (legitimate_constant_address_p): Likewise.
5559 (index_term_p): Likewise.
5560 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5561 * config/vax/vax.md (and<mode>3): Likewise.
5562 (ashrsi3): Likewise.
5564 (movstricthi): Likewise.
5565 (movstrictqi): Likewise.
5566 (rotrsi3): Likewise.
5567 (five unnamed insns): Likewise.
5569 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5571 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5572 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5573 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5574 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5575 Pass to ASM_OUTPUT_DWARF_OFFSET.
5576 * dwarf2out.c (debug_frame_section): New.
5577 (output_call_frame_info): Use debug_frame_section. Pass it to
5578 dw2_asm_output_offset.
5579 (output_die): Pass appropriate section to dw2_asm_output_offset.
5580 (output_compilation_unit_header): Likewise.
5581 (output_pubnames): Likewise.
5582 (output_aranges): Likewise.
5583 (enum dw_val_class): Break dw_val_class_lbl_offset into
5584 dw_val_class_lineptr and dw_val_class_macptr.
5585 (add_AT_lbl_offset): Delete.
5586 (add_AT_lineptr): New.
5587 (add_AT_macptr): New.
5588 (AT_lbl): Expect a lineptr or macptr.
5589 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5590 (attr_checksum): Likewise.
5591 (same_dw_val_p): Likewise.
5592 (size_of_die): Likewise.
5593 (value_format): Likewise.
5594 (output_die): Likewise.
5595 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5597 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5598 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5599 * config/darwin-protos.h (darwin_file_start): New.
5600 (darwin_asm_output_dwarf_offset): New.
5601 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5602 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5604 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5605 if not EH section; simplify.
5606 (darwin_file_start): New.
5607 (darwin_asm_output_dwarf_offset): New.
5608 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5610 (DEBUG_INFO_SECTION): Likewise.
5611 (DEBUG_ABBREV_SECTION): Likewise.
5612 (DEBUG_ARANGES_SECTION): Likewise.
5613 (DEBUG_MACINFO_SECTION): Likewise.
5614 (DEBUG_LINE_SECTION): Likewise.
5615 (DEBUG_LOC_SECTION): Likewise.
5616 (DEBUG_PUBNAMES_SECTION): Likewise.
5617 (DEBUG_STR_SECTION): Likewise.
5618 (DEBUG_RANGES_SECTION): Likewise.
5619 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5620 (ASM_OUTPUT_DWARF_OFFSET): New.
5622 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5624 * config.gcc (tm_defines): Always add to previous value rather
5627 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5629 * config/mips/predicates.md (splittable_const_int_operand): New,
5630 split from move_operand.
5631 (splittable_symbolic_operand): New.
5632 (move_operand): Add commentary. Use splittable_const_int_operand.
5633 Inline mips_atomic_symbolic_constant_p.
5634 * config/mips/mips.md: Add combine splitters for handling moves
5635 of splittable_const_int_operands and splittable_symbolic_operands.
5636 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5637 (mips_split_symbol): Declare.
5638 (mips_move_integer): Declare.
5639 * config/mips/mips.c (mips_split_p): Make global.
5640 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5641 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5642 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5643 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5644 (mips_offset_within_object_p): Handle block symbols.
5645 (mips_atomic_symbolic_constant_p): Delete.
5646 (mips_cannot_force_const_mem): Return false for constants that
5647 mips_legitimize_move can handle.
5648 (mips_use_blocks_for_constant_p): New function.
5649 (mips_split_symbol): Make global.
5650 (mips_move_integer): Likewise. Add a temporary register argument.
5651 (mips_legitimize_const_move): Use splittable_const_int_operand and
5652 splittable_symbolic_operand.
5653 (mips_use_anchors_for_symbol_p): New function.
5654 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5655 (mips_split_p): Declare.
5657 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5659 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5660 (mips*-*-linux*): Likewise.
5662 2006-03-16 Roger Sayle <roger@eyesopen.com>
5663 Daniel Speyer <dspeyer@wam.umd.edu>
5666 * tree-dump.c (dump_real): New function.
5667 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5668 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5669 (tree-dump.o): Add $(REAL_H) to the dependencies.
5671 2006-03-16 Roger Sayle <roger@eyesopen.com>
5674 * real.c (real_from_string): If the mantissa is zero, don't bother
5675 parsing the exponent as the result should always be zero.
5677 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5679 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5683 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5684 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5685 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5686 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5687 ia64_sched_finish_global): New static functions to implement
5688 hooks from gcc_target.sched.
5689 (spec_check_no, max_uid, pending_data_specs): New static variables.
5690 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5691 ia64_spec_check_src_p): New static functions.
5692 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5693 (TARGET_SCHED_ADJUST_COST): Removed.
5694 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5695 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5696 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5697 TARGET_SCHED_GEN_CHECK,
5698 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5699 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5700 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5701 Fixed to handle speculation checks.
5702 (rtx_needs_barrier): Fixed to handle speculative loads and
5704 (ia64_variable_issue): Added code to count speculative loads and their
5706 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5708 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5710 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5712 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5713 (ia64_reorg): Reset stops_p to NULL after it is freed.
5714 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5715 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5716 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5718 (data_speculative, control_speculative, check_load): New attributes.
5719 (mov<mode>_advanced, mov<mode>_speculative,
5720 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5721 zero_extend<mode>di2_speculative,
5722 zero_extend<mode>di2_speculative_advanced): New patterns for
5723 data and control speculative loads.
5724 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5726 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5727 New pattern for data and control speculation checks.
5728 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5729 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5730 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5731 Auxiliary definitions for the patterns.
5732 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5733 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5735 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5737 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5738 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5739 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5740 New resource constraints.
5741 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5743 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5744 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5745 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5746 msched-in-control-spec, msched-ldc, msched-control-ldc,
5747 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5748 msched-prefer-non-control-spec-insns,
5749 msched-count-spec-in-critical-path): New flags to tune speculative
5751 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5752 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5753 msched-in-control-spec, msched-ldc, msched-control-ldc,
5754 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5755 msched-prefer-non-control-spec-insns,
5756 msched-count-spec-in-critical-path): Document new flags.
5758 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5760 * target.h (struct spec_info_def): New opaque declaration.
5761 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5762 speculate_insn, needs_block_p, gen_check,
5763 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5764 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5765 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5766 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5767 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5768 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5770 (TARGET_SCHED): Use new macros.
5771 * rtl.h (copy_DEPS_LIST_list): New prototype.
5772 * sched-int.h (struct sched_info): Change signature of new_ready field,
5773 adjust all initializations. New fields: add_remove_insn,
5774 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5775 region_head_or_leaf_p.
5776 (struct spec_info_def): New structure declaration.
5777 (spec_info_t): New typedef.
5778 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5779 recovery_block, orig_pat.
5780 (glat_start, glat_end): New variables declaraions.
5781 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5783 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5784 DETACH_LIFE_INFO, USE_GLAT.
5785 (enum SPEC_SCHED_FLAGS): New enumeration.
5786 (NOTE_NOTE_BB_P): New macro.
5787 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5788 attach_life_info, debug_spec_status, check_reg_live): New functions.
5789 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5790 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5792 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5793 * ddg.c (get_block_head_tail): Adjust all uses.
5794 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5795 (sms_sched_info): Initialize new fields.
5796 (contributes_to_priority): Removed.
5797 * haifa-sched.c (params.h): New include.
5798 (get_block_head_tail): Adjust all uses.
5799 (ISSUE_POINTS): New macro.
5800 (glat_start, glat_end): New global variables.
5801 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5802 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5803 old_last_basic_block, before_recovery, current_sched_info_var,
5804 rgn_n_insns, luid): New static variables.
5805 (insn_cost1): New function. Move logic from insn_cost to here.
5806 (find_insn_reg_weight1): New function. Move logic from
5807 find_insn_reg_weight to here.
5808 (reemit_notes, move_insn, max_issue): Change signature.
5809 (move_insn1): Removed.
5810 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5811 extend_bb): New static functions to support extension of scheduler's
5813 (generate_recovery_code, process_insn_depend_be_in_spec,
5814 begin_speculative_block, add_to_speculative_block,
5815 init_before_recovery, create_recovery_block, create_check_block_twin,
5816 fix_recovery_deps): New static functions to support
5817 generation of recovery code.
5818 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5819 restore_bb_notes, move_block_after_check, move_succs): New static
5820 functions to support ebb scheduling.
5821 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5822 functions to support handling of register live information.
5823 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5824 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5825 add_jump_dependencies): New static functions.
5826 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5827 consistancy checking.
5828 (debug_spec_status): New function to call from debugger.
5829 (priority): Added code to handle speculation checks.
5830 (rank_for_schedule): Added code to distinguish speculative instructions.
5831 (schedule_insn): Added code to handle speculation checks.
5832 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5833 Fixed to handle ebbs.
5834 (move_insn): Added code to handle ebb scheduling.
5835 (max_issue): Added code to use ISSUE_POINTS of instructions.
5836 (choose_ready): Added code to choose between speculative and
5837 non-speculative instructions.
5838 (schedule_block): Added code to handle ebb scheduling and scheduling of
5839 speculative instructions.
5840 (sched_init): Initialize new variables.
5841 (sched_finish): Free new variables. Print statistics.
5842 (try_ready): Added code to handle speculative instructions.
5843 * lists.c (copy_DEPS_LIST_list): New function.
5844 * sched-deps.c (extend_dependency_caches): New function. Move logic
5845 from create_dependency_caches to here.
5846 (get_dep_weak, ds_merge): Make global.
5847 * genattr.c (main): Code to output prototype for
5848 dfa_clear_single_insn_cache.
5849 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5850 (output_dfa_clean_insn_cache_func): Code to output
5851 dfa_clear_single_insn_cache function.
5852 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5854 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5856 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5857 New static variables.
5858 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5859 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5861 (ebb_sched_info): Initialize new fields.
5862 (get_block_head_tail): Adjust all uses.
5863 (compute_jump_reg_dependencies): Fixed to use glat_start.
5864 (schedule_ebb): Code to remove unreachable last block.
5865 (schedule_ebbs): Added code to update register live information.
5866 * sched-rgn.c (region_sched_info): Initialize new fields.
5867 (get_block_head_tail): Adjust all uses.
5868 (last_was_jump): Removed. Adjust users.
5869 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5870 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5871 Implement new hooks.
5872 (check_dead_notes1): New static function.
5873 (struct region): New fields: dont_calc_deps, has_real_ebb.
5874 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5875 (BB_TO_BLOCK): Fixed to handle EBBs.
5876 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5877 (ebb_head): New static variable.
5878 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5879 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5881 (compute_dom_prob_ps): New assertion.
5882 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5883 global_live_at_start.
5884 (init_ready_list): New assertions.
5885 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5886 (new_ready): Add support for BEGIN_CONTROL speculation.
5887 (schedule_insns): Fixed code that updates register live information
5889 (schedule_region): Fixed to handle EBBs.
5890 (init_regions): Use extend_regions and check_dead_notes1.
5891 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5892 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5893 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5894 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5895 TARGET_SCHED_GEN_CHECK,
5896 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5897 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5898 * doc/invoke.texi (max-sched-insn-conflict-delay,
5899 sched-spec-prob-cutoff): Document.
5901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5903 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5904 inter_tick, queue_index.
5905 (struct sched_info): Change signature of init_ready_list field.
5906 Adjust all initializations.
5907 (RESOLVED_DEPS): New access macro.
5908 (ready_add): Remove prototype.
5909 (try_ready): Add prototype.
5910 * sched-rgn.c (init_ready_list): Use try_ready.
5911 (schedule_region): Initialize
5912 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5913 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5914 (init_ready_list): Use try_ready.
5915 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5916 * lists.c (remove_list_elem): Remove `static'.
5917 (remove_free_INSN_LIST_elem): New function.
5918 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5919 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5920 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5922 (readyp): New variable.
5923 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5924 change_queue_index, resolve_dep): New static functions.
5925 (try_ready): New function. Adjust callers in sched-rgn.c and
5926 sched-ebb.c to use it instead of ready_add.
5927 (clock_var): Move at the begining of file.
5928 (rank_for_schedule): Fix typo.
5929 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5930 (ready_lastpos): Enforce assertion.
5931 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5933 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5934 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5935 (queue_to_ready): Use free_INSN_LIST_list.
5936 (early_queue_to_ready): Fix typo.
5937 (schedule_block): Init readyp. Move init_ready_list call after the
5938 initialization of clock_var. Fix error in rejecting insn by
5939 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5940 that previously corrected INSN_TICKs. Add code for handling
5942 (set_priorities): Fix typo.
5943 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5944 Clarify comment and code that keeps current_sched_info->next_tail
5947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5949 * sched-rgn.c (extend_rgns): New static function.
5950 (find_rgns): Use it.
5951 (gather_region_statistics, print_region_statistics): New static
5953 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5954 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5956 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5957 Andrey Belevantsev <abel@ispras.ru>
5959 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5960 * lists.c (unused_deps_list): New variable.
5961 (free_list): Add assertions to verify the proper distinguishing
5962 between INSN_LISTs and DEPS_LISTs.
5963 (find_list_elem, remove_list_elem, remove_list_node): New static
5965 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5966 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5967 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5968 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5970 (free_INSN_LIST_node): Likewise.
5971 * modulo-sched.c (current_sched_info): Initialize flags field.
5972 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5973 * rtl.def (DEPS_LIST): Define.
5974 * rtl.h: Declare new functions from lists.c.
5975 * sched-deps.c (spec_dependency_cache): New static variable.
5976 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5977 (add_dependence): Change return type to void. Move the logic to ...
5978 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5979 (delete_all_dependences): Add comment about forward_dependency_cache.
5980 Handle spec_dependency_cache. Handle DEPS_LISTs.
5981 (fixup_sched_groups): Clarify the change of priority of output
5982 and anti dependencies.
5983 (sched_analyze_2): Adjust add_dependence calls to create data
5984 speculative dependence.
5985 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5986 Adjust all callers. Handle DEPS_LISTS.
5987 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5988 presence of speculation.
5989 (init_dependency_caches, free_dependency_caches):
5990 Handle spec_dependency_cache.
5991 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5992 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5993 New static functions.
5994 (add_or_update_back_dep, add_or_update_back_forw_dep,
5995 add_back_forw_dep, delete_back_forw_dep): New functions.
5996 * sched-int.h (ds_t, dw_t): New typedefs.
5997 (struct sched_info): Add new field flags.
5998 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5999 Prototype new sched-deps.c functions.
6000 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6001 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6002 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6003 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6004 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6005 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6007 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6009 * sched-rgn.c (current_sched_info): Initialize flags field.
6010 (schedule_insns): Initialize current_sched_info before the sched_init
6012 * sched-ebb.c (current_sched_info): Initialize flags field.
6013 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6014 Call add_or_update_back_dep instead of add_dependence.
6015 Create control speculative dependencies.
6016 (schedule_insns): Initialize current_sched_info before the sched_init
6019 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6021 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6023 (sh_fallback_frame_state): Likewise.
6025 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6027 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6028 Do switch on default_use_cxa_atexit.
6029 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6030 * config/darwin-crt3.o: New.
6031 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6032 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6033 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6035 * config/rs6000/t-darwin: Move crt2.o building to here.
6036 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6037 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6040 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6042 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6043 from '! xxx' to '!xxx' for coding-style conformance.
6044 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6045 (EXTRA_CONSTRAINT): Likewise.
6046 * config/vax/vax.md (four unnamed insns): Likewise.
6048 2006-03-15 Paul Brook <paul@codesourcery.com>
6050 * config/arm/arm.c (minipool_pad): New.
6051 (add_minipool_forward_ref): Include pool alignment padding in address
6053 (push_minipool_fix): Set minipool_pad.
6054 (minipool_pad): Ditto.
6056 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6058 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6059 instead of GET_CODE() == MEM and REG_P() instead of
6061 (print_operand_address): Likewise.
6062 (vax_address_cost): Likewise.
6063 (vax_rtx_costs): Likewise.
6064 (vax_notice_update_cc): Likewise.
6065 (vax_output_int_add): Likewise.
6066 (INDEX_REGISTER_P): Likewise.
6067 (BASE_REGISTER_P): Likewise.
6068 (nonindexed_address_p): Likewise.
6069 (vax_mode_dependent_address_p): Likewise.
6070 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6071 (PRINT_OPERAND): Likewise.
6072 * config/vax/vax.md (ashlsi3): Likewise.
6073 (ashlsi3): Likewise.
6074 (some more unnamed insns): Likewise.
6076 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6078 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6079 iterator-style macro.
6080 (mark_control_dependent_edges_necessary): Update the use of
6081 EXECUTE_IF_CONTROL_DEPENDENT.
6083 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6085 * config/sh/predicates.md (cache_address_operand): Special.
6086 (ua_address_operand): Likewise.
6088 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6090 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6092 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6094 2006-03-15 Andreas Schwab <schwab@suse.de>
6096 * gensupport.c (identify_predicable_attribute): Don't free p_false
6097 when it is still in use.
6099 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6101 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6102 the default setting here.
6104 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6106 * tree-pass.h (pass_cfg): Remove.
6107 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6108 * passes.c (pass_cfg): Don't run it.
6110 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6112 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6113 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6115 (stack_regs_mentioned): Update the uses of
6116 stack_regs_mentioned_data. Don't access the array beyond its
6118 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6119 Don't include gt-reg-stack.h.
6121 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6122 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6124 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6127 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6130 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6132 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6134 2006-03-14 Richard Guenther <rguenther@suse.de>
6136 PR tree-optimization/26672
6137 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6140 2006-03-14 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/26667
6143 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6144 node for the callees. Always allow inlining if it will shrink
6147 2006-03-14 Richard Guenther <rguenther@suse.de>
6150 * builtins.c (get_pointer_alignment): Prefer alignment
6151 information from decls over that from types.
6153 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6156 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6158 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6160 * config/rs6000/rs6000.opt (mdlmzb): New option.
6161 (msched-prolog, msched-epilog): Use Var not Mask.
6162 * doc/invoke.texi (-mdlmzb): Document.
6163 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6165 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6166 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6168 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6170 PR rtl-optimization/25739
6171 * bt-load.c (augment_live_range): Free tos pointer.
6173 * gensupport.c (identify_predicable_attribute): Free
6175 * gcov.c (create_file_names): Free name pointer.
6177 2006-03-13 Roger Sayle <roger@eyesopen.com>
6180 * stmt.c (emit_case_nodes): Handle the case where the index is a
6181 CONST_INT, where the comparison mode is specified by the index type.
6183 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6185 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6188 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6190 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6191 (*branch_fp_inverted): Likewise.
6193 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6196 * omp-low.c (expand_omp_for_generic): Mark istart0
6197 and iend0 as addressable.
6199 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6201 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6203 2006-03-13 Jeff Law <law@redhat.com>
6205 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6206 virtual operands are interesting.
6207 (vrp_visit_stmt): Corresponding changes.
6209 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6211 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6213 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6214 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6215 * config/bfin/crti.S: Use it instead of __PIC__.
6216 * config/bfin/crtn.S: Likewise.
6218 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6219 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6221 Lose 'G' modifier for call operand.
6222 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6223 recognize 'G' modifier.
6225 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6228 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6229 * stmt.c (expand_case): Likewise.
6231 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6233 PR rtl-optimization/26254
6234 * loop-invariant.c (seq_insns_valid_p): New function.
6235 (move_invariant_reg): Only emit new code if it is valid.
6237 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6239 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6241 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6242 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6243 (commit_one_edge_insertion): Do not look for loop notes.
6245 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6247 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6248 flag_test_coverage out of loop.
6250 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6252 * final.c (shorten_branches): Remove outdated comment, and turn
6253 the if branch that guards it to continue.
6255 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6257 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6258 * cfgloop.h (struct loop): Remove unused fields.
6260 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6262 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6263 (-dL, -fdump-rtl-loop2): Update the dump file names
6265 * doc/invoke.texi: Update dump file names.
6267 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6269 * predict.c (estimate_probability): Remove.
6270 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6271 * basic-block.h (estimate_probability): Remove prototype.
6272 * passes.c (finish_optimization_passes): Dump branch prediction or
6273 profiling heuristics to the .profile tree dump.
6274 (init_optimization_passes): Unqueue pass_branch_prob.
6276 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6278 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6280 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6281 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6283 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6285 * function.h (frame_offset_overflow): Declare.
6286 * function.c (frame_offset_overflow): New function.
6287 (assign_stack_local_1): Call it to detect that the offset overflows.
6288 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6290 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6292 * config/sh/sh.c: Include alloc-pool.h.
6293 (label_ref_list_pool): New alloc pool.
6294 (label_ref_list_t): New type for lists of labels.
6295 (struct pool_node): Make wend a label_ref_list_t.
6296 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6298 (dump_table): Likewise.
6299 (sh_reorg): Set up the alloc pool before using add_constant and
6300 dump_table, and destroy it when finishing.
6302 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6304 * config/mips/mips.c: Remove redundant comment.
6306 2006-03-10 Jason Merrill <jason@redhat.com>
6309 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6310 the target was declared 'register'.
6312 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6314 * genpreds.c (write_insn_constraint_len): Change definition of
6315 insn_constraint_len to return size_t to match the declaration.
6317 2006-03-10 DJ Delorie <dj@redhat.com>
6319 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6321 (m32c_expand_insv): Fix test for an AND mask.
6323 2006-03-10 Richard Guenther <rguenther@suse.de>
6326 * builtins.c (get_pointer_alignment): Handle component
6327 references for field alignment.
6329 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6331 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6332 when building with libgloss.
6333 (sh*elf): Implement --without-fp option.
6334 (sh64-superh-linux*): Don't multilib.
6336 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6338 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6340 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6342 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6343 Set it when one of the replacement functions returned true.
6344 Return TODO_cleanup_cfg if cfgchanged is true.
6345 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6347 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6349 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6350 instead of gen_lowpart.
6352 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6354 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6356 (mips_output_order_conditional_branch): Declare.
6357 * config/mips/mips.h (MIPS_BRANCH): New macro.
6358 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6359 for the comparison. Use gen_condjump.
6360 (mips_output_conditional_branch): Rework interface to take the
6361 asm templates for a direct branch and the inverse of a direct branch.
6362 (mips_output_order_conditional_branch): New function.
6363 (mips_builtin_branch_and_move): New function.
6364 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6365 branch condition. Use gen_single_cc as the condition for
6366 __builtin_mips_upper_* or __builtin_mips_lower_*.
6367 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6368 Use VOIDmode for the branch condition.
6369 * config/mips/predicates.md (order_operator): New predicate.
6370 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6371 (branch_fp): Rename to...
6372 (*branch_fp): ...this. Remove mode from comparison operator.
6373 Use new mips_output_conditional_branch interface.
6374 (branch_fp_inverted): Rename to...
6375 (*branch_fp_inverted): ...this and update as for *branch_fp.
6376 (*branch_zero<mode>): Rename to...
6377 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6378 Use mips_output_order_conditional_branch. Only accept ordered
6380 (*branch_zero<mode>_inverted): Rename to...
6381 (*branch_order<mode>_inverted): ...this and update as for
6382 *branch_order<mode>.
6383 (*branch_equality<mode>): Accept zero as the second operand to
6384 the equality operator. Use the new mips_output_conditional_branch
6386 (*branch_equality<mode>_inverted): Likewise.
6387 (condjump): New expander.
6388 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6390 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6391 (bc1any2t, bc1any2f): Likewise.
6392 (single_cc): New expander.
6393 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6395 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6397 * doc/md.texi: Update documentation of MIPS constraints.
6398 * config/mips/constraints.md: New file.
6399 * config/mips/mips.md: Include it.
6400 * config/mips/mips.c (mips_char_to_class): Delete.
6401 (override_options): Don't initialize mips_char_to_class.
6402 * config/mips/mips.h (mips_char_to_class): Delete.
6403 (REG_CLASS_FROM_LETTER): Delete.
6404 (CONST_OK_FOR_LETTER_P): Delete.
6405 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6406 (EXTRA_CONSTRAINT_Y): Delete.
6407 (EXTRA_CONSTRAINT_STR): Delete.
6408 (CONSTRAINT_LEN): Delete.
6409 (EXTRA_MEMORY_CONSTRAINT): Delete.
6411 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6413 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6414 original fn's eh regions.
6416 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6418 * fold-const.c (build_range_check): Make sure to use a valid type to
6419 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6422 (range_predecessor): New static function.
6423 (range_successor): Likewise.
6424 (merge_ranges): Use them to compute predecessors and successors of
6427 2006-03-09 Roger Sayle <roger@eyesopen.com>
6430 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6431 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6433 2006-03-08 DJ Delorie <dj@redhat.com>
6435 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6436 (addpsi3): Expand to include memory operands. Remove
6437 reload-specific splits.
6438 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6439 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6440 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6441 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6442 (shift1_qi, shift1_hi, insv): New.
6443 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6444 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6445 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6447 * config/m32c/m32c-protos.h: Update as needed.
6448 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6449 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6450 Fail for unrecognized R* constraints.
6451 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6452 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6453 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6455 (m32c_init_libfuncs): New.
6456 (m32c_legitimate_address_p): Add debug wrapper.
6457 (m32c_rtx_costs): New.
6458 (m32c_address_cost): New.
6459 (conversions): Add 'B' prefix.
6460 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6461 operands, or word regnames for QI operands. 'B' prints bit
6463 (m32c_expand_setmemhi): New.
6464 (m32c_expand_movmemhi): New.
6465 (m32c_expand_movstr): New.
6466 (m32c_expand_cmpstr): New.
6467 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6468 (m32c_expand_neg_mulpsi3): Handle non-ints.
6469 (m32c_cmp_flg_0): New.
6470 (m32c_expand_movcc): New.
6471 (m32c_expand_insv): New.
6472 (m32c_scc_pattern): New.
6473 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6474 a0/a1 out of SIregs.
6475 (STORE_FLAG_VALUE): New.
6476 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6479 * config/m32c/mov.md: Make constraints more liberal.
6480 (zero_extendqihi2): Optimize r0/r1 case.
6481 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6482 * config/m32c/predicates.md (m32c_any_operand): New.
6483 (m32c_nonimmediate_operand): New.
6484 (m32c_hl_operand): New.
6485 (m32c_r3_operand): New.
6488 (memsym_operand): New.
6489 (memimmed_operand): New.
6490 (a_qi_operand): New.
6491 (m32c_eqne_operator): New.
6492 (m32c_1bit8_operand): New.
6493 (m32c_1bit16_operand): New.
6494 (m32c_1mask8_operand): New.
6495 (m32c_1mask16_operand): New.
6496 * config/m32c/blkmov.md: New file.
6497 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6499 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6501 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6502 unsigned to fix signed/unsigned comparison issue in
6503 DWARF2_FRAME_REG_OUT.
6504 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6505 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6507 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6508 of ptr into the ENABLE_CHECKING section.
6510 2006-03-08 Jeff Law <law@redhat.com>
6512 * tree-vrp.c (infer_value_range): Only count pointer uses
6513 and dereferences if -fdelete-null-pointer-checks is enabled.
6515 * tree-vrp.c (find_assert_locations): Infer value ranges for
6516 single use pointers, but do not create ASSERT_EXPRs for them.
6517 When a non-null range is inferred for a pointer, backwards
6518 propagate that range to other equivalent pointers through the
6521 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6524 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6525 language hook targets.
6526 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6527 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6528 if language hook targets were missing.
6530 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6532 * tree-ssa-opfinalize.h: Removed.
6533 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6535 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6536 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6537 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6538 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6539 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6540 finalize_ssa_v_must_def_ops): New.
6542 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6544 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6547 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6549 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6551 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6552 addresses with offsets; reorganize.
6554 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6555 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6556 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6558 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6561 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6563 2006-03-08 Ben Elliston <bje@au.ibm.com>
6565 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6567 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6570 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6573 2006-03-07 Richard Guenther <rguenther@suse.de>
6575 PR tree-optimization/26587
6576 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6578 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6580 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6582 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6584 * hooks.c (hook_bool_mode_rtx_true): New function.
6585 * hooks.h (hook_bool_mode_rtx_true): Declare.
6586 * toplev.c (compile_file): Call output_shared_constant_pool.
6587 * varasm.c (shared_constant_pool): New variable.
6588 (assemble_start_function, assemble_end_function): Remove arguments
6589 from call to output_constant_pool.
6590 (create_constant_pool): New function, split out from...
6591 (init_varasm_status): ...here.
6592 (force_const_mem): Choose between the shared and per-function constant
6593 pools. Set current_function_uses_const_pool when reusing old entries
6594 as well as when creating new ones.
6595 (mark_constant): Ignore data argument.
6596 (mark_constants): Remove pool argument.
6597 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6598 to decide whether the function uses a constant pool.
6599 (output_constant_pool_contents): New function, split out from...
6600 (output_constant_pool): ...here.
6601 (output_shared_constant_pool): New function.
6602 (init_varasm_once): Initialize shared_constant_pool.
6603 * output.h (output_constant_pool): Delete.
6604 (output_shared_constant_pool): Declare.
6605 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6606 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6608 2006-03-06 Nick Clifton <nickc@redhat.com>
6610 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6611 flag_strength_reduce.
6613 2006-03-06 Ben Elliston <bje@au.ibm.com>
6615 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6616 x86_64-*-linux* configurations.
6618 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6619 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6621 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6623 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6625 * basic-block.h: Remove the extern for
6626 rediscover_loops_after_threading.
6628 * cfgloop.c (cancel_loop): Make it static.
6629 * cfgloop.h: Remove the prototype for cancel_loop.
6631 * flow.c (recompute_reg_usage): Make it static.
6632 * rtl.h: Remove the prototype for recompute_reg_usage.
6634 * function.c (use_return_register): Make it static.
6635 * function.h: Remove the prototype.
6637 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6639 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6641 * recog.h: Remove the prototype for
6642 validate_change_maybe_volatile.
6644 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6646 * rtlanal.c (replace_reg): Remove.
6647 * rtl.h: Remove the prototype for replace_reg.
6649 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6651 * regclass.c (reg_scan_update): Remove.
6652 (reg_scan_mark_refs): Remove the last argument.
6653 * rtl.h: Remove the prototype for reg_scan_update.
6655 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6657 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6658 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6659 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6660 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6661 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6662 loop-invariant.c, omp-low.c, opts.c, passes.c,
6663 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6664 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6665 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6666 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6667 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6668 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6672 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6673 * dwarf2out.h: Remove the prototype for
6674 dwarf2out_add_library_unit_info.
6676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6678 * tree.c (add_var_to_bind_expr): Remove.
6679 * tree.h: Remove the prototype for add_var_to_bind_expr.
6681 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6683 * regclass.c (n_non_fixed_regs): Remove.
6684 (init_reg_sets_1, globalize_reg): Remove all uses of
6686 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6688 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6690 * rtlanal.c (insns_safe_to_move_p): Remove.
6691 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6695 * expmed.c (expand_mult_add): Remove.
6696 * expr.h: Remove the prototype for expand_mult_add.
6698 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6700 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6701 and REG_SAVED_VAL_EXP constants.
6702 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6703 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6704 Handle regs stored by value.
6705 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6706 (execute_cfa_program): Handle DW_CFA_val_offset,
6707 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6708 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6709 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6710 (uw_install_context_1): Handle target regs stored by value.
6712 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6714 * tree-sra.c (tree_sra): Return todoflags;
6715 (generate_one_element): Set TODO_update_smt_usage if needed.
6716 (pass_sra): Remove TODO_update_smt_usage.
6717 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6719 (tree_ssa_forward_propagate_single_use_vars): Return
6720 TODO_update_smt_usage if we need to update SMT usage.
6721 (pass_forwprop): Remove TODO_update_smt_usage.
6723 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6725 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6726 (correct_use_link): Remove reference to get_stmt_operands.
6727 (update_stmt_operands): Likewise.
6728 (get_modify_expr_operands): New function factored out of
6729 parse_ssa_operands and get_expr_operands.
6730 Try to create V_MUST_DEFs for LHS by default.
6731 (get_expr_operands) <case MODIFY_EXPR>: Call
6732 get_modify_expr_operands.
6733 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6734 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6735 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6736 get_modify_expr_operands.
6738 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6740 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6741 * tree-flow.h: Remove the prototype for
6742 referenced_var_lookup_if_exists.
6744 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6746 PR rtl-optimization/26345
6748 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6750 2006-03-03 Roger Sayle <roger@eyesopen.com>
6752 PR tree-optimization/26524
6753 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6754 fold_convert to create a constant of the appropriate type.
6756 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6758 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6759 SYMBOL_REF_IN_BLOCK_P.
6760 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6761 of SYMBOL_FLAG_IN_BLOCK.
6762 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6763 instead of SYMBOL_REF_IN_BLOCK_P.
6764 * explow.c (use_anchored_address): Likewise.
6765 * rtl.c (rtx_size): Likewise.
6766 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6767 instead of SYMBOL_FLAG_IN_BLOCK.
6768 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6769 SYMBOL_REF_IN_BLOCK_P.
6770 (assemble_variable): Likewise.
6771 (output_constant_def_contents): Likewise.
6772 (output_constant_pool): Likewise.
6773 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6774 instead of SYMBOL_FLAG_IN_BLOCK.
6775 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6776 SYMBOL_REF_IN_BLOCK_P.
6777 (SYMBOL_REF_BLOCK): Likewise.
6778 (SYMBOL_REF_OFFSET): Likewise.
6779 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6780 SYMBOL_REF_IN_BLOCK_P.
6781 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6782 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6783 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6784 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6786 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6788 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6790 2006-03-02 Roger Sayle <roger@eyesopen.com>
6792 * simplify-rtx.c (simplify_unary_operation): When simplifying
6793 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6794 that we perform the right shift in the appropriate mode, and
6795 then extend or truncate the result to requested mode.
6797 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6799 * gengtype.c (main): Handle double_int type.
6800 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6801 * double-int.c: New file.
6802 * double-int.h: New file.
6803 * system.h: Include doubleint.h.
6804 * Makefile.in (SYSTEM_H): Include double-int.h.
6805 (double-int.o): Add.
6807 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6810 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6813 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6815 * tree-vrp.c (remove_range_assertions): Do not update statements
6818 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6820 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6822 * gcse.c (rest_of_handle_gcse): Ditto.
6823 * except.c (gate_handle_eh): Ditto.
6824 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6825 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6827 2006-03-02 Eric Christopher <echristo@apple.com>
6829 * config/i386/i386.c (machopic_output_stub): Add indirection to
6832 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6836 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6838 Sun Niagara specific optimizations.
6839 * config.gcc: Recognize niagara as target.
6840 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6841 (TARGET_CPU_niagara): Define.
6842 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6843 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6844 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6845 (ASM_CPU_SPEC): Likewise.
6846 (PROCESSOR_NIAGARA): New enum entry.
6847 (REGISTER_MOVE_COST): Handle Niagara.
6848 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6849 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6850 (sparc_override_options): Recognize "niagara", set appropriate
6851 default MASK_* values for it, and align functions to 32-bytes
6852 by default just like ULTRASPARC/ULTRASPARC3.
6853 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6854 (sparc64_initialize_trampoline): Likewise.
6855 (sparc_use_sched_lookahead): Use zero for niagara.
6856 (sparc_issue_rate): Use one for niagara.
6857 * config/sparc/niagara.md: New file.
6858 * config/sparc/sparc.md: Include it.
6859 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6860 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6861 when default cpu is niagara.
6862 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6863 (ASM_CPU_SPEC): Likewise.
6864 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6865 when default cpu is niagara.
6866 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6867 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6868 just like v9/ultrasparc/ultrasparc3.
6869 * doc/invoke.texi: Add documentation for "niagara" and improve
6870 existing documentation for ultrasparc variants.
6872 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6874 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6876 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6878 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6879 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6880 and say that only one is needed.
6881 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6882 * target.h (have_switchable_bss_sections): New hook.
6883 * explow.c (use_anchored_address): Check that the symbol is in a block.
6884 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6885 (bss_noswitch_section): New variables.
6886 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6887 (get_noswitch_section): New function.
6888 (get_block_for_section): Allow SECT to be null.
6889 (unlikely_text_section_p): Use SECTION_STYLE.
6890 (bss_initializer_p): New function.
6891 (get_variable_section): Move earlier in file. Take a new argument,
6892 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6893 Return one of the new *_sections in such cases.
6894 (get_block_for_decl): New function, extracting some logic from
6895 use_blocks_for_decl_p.
6896 (change_symbol_section): Remove in favor of...
6897 (change_symbol_block): ...this new function.
6898 (use_blocks_for_decl_p): Remove checks now performed by
6900 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6901 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6902 (emit_local, emit_bss, emit_common): ...these new functions.
6903 Return true if the alignment was honored.
6904 (emit_tls_common): New function.
6905 (asm_emit_uninitialised): Delete.
6906 (assemble_variable_noswitch): New function, split out from...
6907 (assemble_variable): ...here. Don't make decisions about common
6908 variables here. Globalize all public decls that go into non-common
6909 sections. Check whether SYMBOL_REF_BLOCK is null.
6910 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6911 (output_constant_pool): Likewise.
6912 (init_varasm_once): Initialize the new section variables.
6913 (have_global_bss_p): New function.
6914 (categorize_decl_for_section): Use bss_initializer_p.
6915 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6916 (place_block_symbol): Assert that the symbol must be in a block.
6917 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6918 (TARGET_INITIALIZER): Include it.
6919 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6920 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6921 (SECTION_MACH_DEP): Bump by two.
6922 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6923 (unnamed_section): Mention SECTION_UNNAMED in comment.
6924 (named_section): Likewise SECTION_NAMED.
6925 (noswitch_section_callback): New type.
6926 (noswitch_section): New structure.
6927 (section): Add a noswitch_section alternative.
6928 (SECTION_STYLE): New macro.
6929 (tls_comm_section, comm_section, lcomm_section): Declare.
6930 (bss_noswitch_section, have_global_bss_p): Declare.
6931 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6932 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6934 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6935 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6938 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6940 * tree-vrp.c (execute_vrp): Return value.
6941 * regrename.c (rest_of_handle_regrename): Ditto.
6942 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6943 * tree-complex.c (tree_lower_complex): Ditto.
6944 (tree_lower_complex_O0): Ditto.
6945 * tracer.c (rest_of_handle_tracer): Ditto.
6946 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6947 * postreload.c (rest_of_handle_postreload): Ditto.
6948 * tree-tailcall.c (execute_tail_recursion): Ditto.
6949 (execute_tail_calls): Ditto.
6950 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6951 * tree.h (init_function_for_compilation): Ditto.
6952 * ipa-cp.c (ipcp_driver): Ditto.
6953 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6954 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6955 * final.c (compute_alignments): Ditto.
6956 (rest_of_handle_final): Ditto.
6957 (rest_of_handle_shorten_branches): Ditto.
6958 (rest_of_clean_state): Ditto.
6959 * omp-low.c (execute_expand_omp): Ditto.
6960 (execute_lower_omp): Ditto.
6961 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6962 * ipa-reference.c (static_execute): Ditto.
6963 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6964 * reorg.c (rest_of_handle_delay_slots): Ditto.
6965 (rest_of_handle_machine_reorg): Ditto.
6966 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6967 * flow.c (recompute_reg_usage): Ditto.
6968 (rest_of_handle_remove_death_notes): Ditto.
6969 (rest_of_handle_life): Ditto.
6970 (rest_of_handle_flow2): Ditto.
6971 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6972 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6973 (do_ssa_store_ccp): Ditto.
6974 (execute_fold_all_builtins): Ditto.
6975 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6976 * modulo-sched.c (rest_of_handle_sms): Ditto.
6977 * ipa-pure-const.c (static_execute): Ditto.
6978 * cse.c (rest_of_handle_cse): Ditto.
6979 (rest_of_handle_cse2): Ditto.
6980 * web.c (rest_of_handle_web): Ditto.
6981 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6982 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6983 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6984 * tree-nrv.c (tree_nrv): Ditto.
6985 (execute_return_slot_opt): Ditto.
6986 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6987 (create_structure_vars): Ditto.
6988 * loop-init.c (rtl_loop_init): Ditto.
6989 (rtl_loop_done): Ditto.
6990 (rtl_move_loop_invariants): Ditto.
6991 (rtl_unswitch): Ditto.
6992 (rtl_unroll_and_peel_loops): Ditto.
6993 (rtl_doloop): Ditto.
6994 * gimple-low.c (lower_function_body): Ditto.
6995 (mark_used_blocks): Ditto.
6996 * tree-ssa-sink.c (execute_sink_code): Ditto.
6997 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6998 (cgraph_early_inlining): Ditto.
6999 * global.c (rest_of_handle_global_alloc): Ditto.
7000 * jump.c (cleanup_barriers): Ditto.
7001 (purge_line_number_notes): Ditto.
7002 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7003 (rest_of_handle_if_after_reload): Ditto.
7004 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7005 (tree_ssa_loop_im): Ditto.
7006 (tree_ssa_loop_unswitch): Ditto.
7007 (tree_vectorize): Ditto.
7008 (tree_linear_transform): Ditto.
7009 (tree_ssa_loop_ivcanon): Ditto.
7010 (tree_ssa_empty_loop): Ditto.
7011 (tree_ssa_loop_bounds): Ditto.
7012 (tree_complete_unroll): Ditto.
7013 (tree_ssa_loop_prefetch): Ditto.
7014 (tree_ssa_loop_ivopts): Ditto.
7015 (tree_ssa_loop_done): Ditto.
7016 * predict.c (tree_estimate_probability): Ditto.
7017 * recog.c (split_all_insns_noflow): Ditto.
7018 (rest_of_handle_peephole2): Ditto.
7019 (rest_of_handle_split_all_insns): Ditto.
7020 * tree-eh.c (lower_eh_constructs): Ditto.
7021 * regmove.c (rest_of_handle_regmove): Ditto.
7022 (rest_of_handle_stack_adjustments): Ditto.
7023 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7024 * function.c (instantiate_virtual_regs): Ditto.
7025 (init_function_for_compilation): Ditto.
7026 (rest_of_handle_check_leaf_regs): Ditto.
7027 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7028 (rest_of_handle_gcse): Ditto.
7029 * ipa-type-escape.c (type_escape_execute): Ditto.
7030 * alias.c (rest_of_handle_cfg): Ditto.
7031 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7032 * profile.c (rest_of_handle_branch_prob): Ditto.
7033 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7034 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7035 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7036 * tree-dfa.c (find_referenced_vars): Ditto.
7037 * except.c (set_nothrow_function_flags): Ditto.
7038 (convert_to_eh_region_ranges): Ditto.
7039 (rest_of_handle_eh): Ditto.
7040 * emit-rtl.c (unshare_all_rtl): Ditto.
7041 (remove_unnecessary_notes): Ditto.
7042 * except.h (set_nothrow_function_flags): Ditto.
7043 (convert_to_eh_region_ranges): Ditto.
7044 * cfgexpand.c (tree_expand_cfg): Ditto.
7045 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7046 * tree-ssa-pre.c (do_pre): Ditto.
7047 (execute_fre): Ditto.
7048 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7049 (rest_of_handle_jump2): Ditto.
7050 * tree-sra.c (tree_sra): Ditto.
7051 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7052 (execute_mudflap_function_decls): Ditto.
7053 * tree-ssa-copy.c (do_copy_prop): Ditto.
7054 (do_store_copy_prop): Ditto.
7055 * ipa-prop.h (ipcp_driver): Ditto.
7056 * cfglayout.c (insn_locators_initialize): Ditto.
7057 * tree-ssa-forwprop.c
7058 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7059 * cfglayout.h (insn_locators_initialize): Ditto.
7060 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7061 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7062 (execute_late_warn_uninitialized): Ditto.
7063 * rtl.h (cleanup_barriers): Ditto.
7064 (split_all_insns_noflow): Ditto.
7065 (purge_line_number_notes): Ditto.
7066 (unshare_all_rtl): Ditto.
7067 (remove_unnecessary_notes): Ditto.
7068 (recompute_reg_usage): Ditto.
7069 (variable_tracking_main): Ditto.
7070 * integrate.c (emit_initial_value_sets): Ditto.
7071 * integrate.h (emit_initial_value_sets): Ditto.
7072 * tree-optimize.c (execute_free_datastructures): Ditto
7073 (execute_free_cfg_annotations): Ditto.
7074 (execute_fixup_cfg): Ditto.
7075 (execute_cleanup_cfg_pre_ipa): Ditto.
7076 (execute_cleanup_cfg_post_optimizing): Ditto.
7077 (execute_init_datastructures): Ditto.
7078 * tree-object-size.c (compute_object_sizes): Ditto.
7079 * combine.c (rest_of_handle_combine): Ditto.
7080 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7081 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7082 (rest_of_handle_reorder_blocks): Ditto.
7083 (rest_of_handle_partition_blocks): Ditto.
7084 * var-tracking.c (variable_tracking_main): Ditto.
7085 * tree-profile.c (tree_profiling): Ditto.
7086 * tree-vect-generic.c (expand_vector_operations): Ditto.
7087 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7088 * sched-rgn.c (rest_of_handle_sched): Ditto.
7089 (rest_of_handle_sched2): Ditto.
7090 * basic-block.h (free_bb_insn): Ditto.
7091 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7092 * tree-cfg.c (execute_build_cfg): Ditto.
7093 (remove_useless_stmts): Ditto.
7094 (split_critical_edges): Ditto.
7095 (execute_warn_function_return): Ditto.
7096 (execute_warn_function_noreturn): Ditto.
7097 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7098 * cfgrtl.c (free_bb_for_insn): Ditto.
7099 * passes.c (execute_one_pass): Run additional
7100 todos returned by execute function.
7101 * tree-pass.h (struct tree_opt_pass): Make execute
7104 2006-03-02 Richard Guenther <rguenther@suse.de>
7106 * tree-ssa-alias.c (find_used_portions): Consider taking
7107 the address as making the variable not write-only.
7109 2006-03-02 Nick Clifton <nickc@redhat.com>
7111 * config.gcc (default_use_cxa_atexit): Extend the description of
7112 this configure variable. Set its default value to "yes" for
7113 Linux, NetBSD and ELF targets on the assumption that they will
7114 use C libraries with the __cxa_atexit function.
7116 2006-03-02 Ben Elliston <bje@au.ibm.com>
7118 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7119 parameter as unused to suppress a build warning.
7121 2006-03-02 Ben Elliston <bje@au.ibm.com>
7123 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7126 2006-03-01 Roger Sayle <roger@eyesopen.com>
7129 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7130 declared name, the weak reference name, and the typeof name.
7131 (__gthrw): Avoid expanding the declared name suffix.
7132 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7134 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7136 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7138 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7139 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7140 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7141 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7142 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7143 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7144 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7145 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7146 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7147 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7148 (DW_END_default, DW_END_big, DW_END_little): New.
7149 (DW_END_lo_user, DW_END_hi_user): Define.
7150 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7151 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7152 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7155 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7157 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7159 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7161 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7163 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7165 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7166 to 'symbol_mem_tag'.
7168 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7171 2006-03-01 Roger Sayle <roger@eyesopen.com>
7173 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7175 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7178 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7179 MACHO_DYNAMIC_NO_PIC_P.
7180 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7182 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7185 * config/darwin-protos.h (darwin_asm_output_anchor):
7187 * config/darwin-sections.def (cstring_section):
7188 Add SECTION_MERGE to the flags.
7189 (literal4_section): Likewise.
7190 (literal8_section): Likewise.
7191 (objc_selector_refs_section): Likewise.
7192 (objc_cls_refs_section): Likewise.
7193 * config/darwin.c (darwin_asm_output_anchor): New
7195 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7197 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7199 Fix PR tree-optimization/26443
7200 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7201 to todo and PROP_tmt_usage to properties_destroyed.
7202 * tree-ssa-ccp.c (pass_ccp): Ditto.
7203 (pass_store_ccp): Ditto.
7204 * tree-ssa-dom.c (pass_dominator): Ditto.
7206 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7208 * tree-ssa-operands.c: Cleanup whitespace.
7209 (get_asm_expr_operands): Move before first invocation.
7210 (get_indirect_ref_operands): Likewise.
7211 (get_tmr_operands): Likewise.
7212 (get_call_expr_operands): Likewise.
7213 (append_def): Likewise.
7214 (append_use): Likewise.
7215 (append_v_may_def): Likewise.
7216 (append_v_must_def): Likewise.
7217 (add_call_clobber_ops): Likewise.
7218 (add_call_read_ops): Likewise.
7219 (add_stmt_operand): Likewise.
7220 (add_virtual_operand): Likewise.
7221 (build_ssa_operands): Likewise.
7223 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7228 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7229 with a call expr to ...
7230 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7232 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7234 * tree-vrp.c (extract_range_from_assert): Remove special
7235 handling for types with super-types.
7237 2006-03-01 Ben Elliston <bje@au.ibm.com>
7239 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7240 and powerpc64-*-linux* configurations.
7241 * config/t-dfprules: New file.
7243 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7244 Compile dfp-bit.c from the source directory using -DWIDTH and
7245 $DFP_CFLAGS to control the compilation of that file, rather than
7246 generating width-specific versions in the build directory.
7247 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7248 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7250 2006-02-28 Zack Weinberg <zackw@panix.com>
7252 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7255 2006-02-28 Eric Christopher <echristo@apple.com>
7257 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7258 Set up IN_LIBGCC definition of TARGET_64BIT.
7259 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7261 2006-02-28 Roger Sayle <roger@eyesopen.com>
7264 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7265 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7266 cases via the construction of "expr != 0".
7268 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7270 * alias.c (alias_invariant, alias_invariant_size): Remove.
7271 (record_base_value): Remove.
7272 (memrefs_conflict_p): Don't look at alias_invariant.
7273 (end_alias_analysis): Don't free it.
7274 * alias.h (record_base_value): Remove prototype.
7276 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7277 Adam Nemet <anemet@caviumnetworks.com>
7279 * rtl.h (truncated_to_mode): Declare it.
7280 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7281 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7282 (RTL_HOOKS_INITIALIZER): Include it.
7283 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7284 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7285 reg_truncated_to_mode.
7286 * rtlanal.c (truncated_to_mode): Define it.
7287 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7289 2006-02-28 Jeff Law <law@redhat.com>
7291 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7292 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7293 the range allowed by TYPE_PRECISION.
7295 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7297 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7299 PR tree-optimization/26419
7300 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7303 2006-02-27 Zack Weinberg <zackw@panix.com>
7305 * doc/md.texi: Fix typo in previous change.
7307 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7311 2006-02-27 Zack Weinberg <zackw@panix.com>
7313 * rtl.def (define_constraint, define_register_constraint)
7314 (define_memory_constraint, define_address_constraint): New MD forms.
7315 * gensupport.c (process_rtx): Put define_constraint etc on the
7317 * genpreds.c (process_define_predicate): Adjust comment. Validate
7318 the name, and call validate_exp to validate the expression.
7319 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7320 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7321 all callers changed.
7322 (validate_exp, needs_variable, struct constraint_data)
7323 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7324 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7325 (const_dbl_constraints, constraint_max_namelen)
7326 (have_register_constraints, have_memory_constraints)
7327 (have_address_constraints, have_address_constraints)
7328 (have_extra_constraints, have_const_int_constraints)
7329 (have_const_dbl_constraints, mangle, add_constraint)
7330 (process_define_constraint, process_define_register_constraint)
7331 (write_enum_constraint_num, write_lookup_constraint)
7332 (write_insn_constraint_len, write_regclass_for_constraint)
7333 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7334 (write_insn_extra_memory_constraint)
7335 (write_insn_extra_address_constraint)
7336 (write_satisfies_constraint_fns): New.
7337 (write_tm_preds_h): If we have new-style constraint definitions,
7338 prototype the functions generated from them, and define the
7339 old constraint interface (still used by generic code) in terms of
7341 (write_insn_preds_c): If we have new-style constraint definitions,
7342 generate all relevant functions from those definitions.
7343 (main): Handle define_constraint etc.
7344 * genoutput.c (struct constraint_data, indep_constraints)
7345 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7346 (mdep_constraint_len): New data structures and functions, defined
7347 #ifdef USE_MD_CONSTRAINTS.
7348 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7349 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7350 use new logic to validate operand constraints against constraint
7352 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7354 * defaults.h: If none of the old-style constraint macros are
7355 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7356 old-style macros; and poison REG_CLASS_FROM_LETTER,
7357 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7359 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7360 * doc/md.texi: Document new constraint-definition mechanism and the
7361 C interface it provides. Remove references to old mechanism
7362 elsewhere in the document.
7363 (Machine Constraints): Use pathnames relative to gcc directory,
7364 i.e. config/ARCH/FILE. Change i386 section to refer to
7365 config/i386/predicates.md; update that section to match docstrings.
7366 * doc/tm.texi: Move all documentation of the old constraint-
7367 definition macros to their own section, clearly mark as obsolete.
7369 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7370 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7372 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7373 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7374 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7376 (splits and peepholes): Use satisfies_constraint_*.
7377 * config/i386/i386.c (memory_address_length)
7378 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7380 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7382 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7383 scalar operation to be put back into the loop.
7385 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7388 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7389 (extract_cie_info): Handle S flag in augmentation string.
7390 (execute_cfa_program): If context->signal_frame, execute also
7391 fs->pc == context->ra instructions.
7392 (uw_frame_state_for): If context->signal_frame, don't subtract one
7393 from context->ra to find FDE.
7394 (uw_update_context_1): Set context->signal_frame to
7396 (_Unwind_GetIPInfo): New function.
7397 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7398 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7400 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7401 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7402 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7403 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7404 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7405 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7406 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7407 x86_64_fallback_frame_state): Set fs->signal_frame.
7408 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7409 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7410 (frob_update_context): Likewise. Workaround missing S flag in
7411 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7412 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7413 Remove the psw_addr + 1 hack.
7415 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7417 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7418 with aggregates here.
7419 (find_func_aliases): Remove code for &<aggregate> from here.
7421 2006-02-26 Roger Sayle <roger@eyesopen.com>
7423 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7424 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7425 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7428 2006-02-26 Roger Sayle <roger@eyesopen.com>
7431 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7433 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7435 * opts.c (decode_options): Do not handle flag_strength_reduce.
7436 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7437 and OPT_fstrength_reduce.
7438 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7439 flag_prefetch_loop_arrays for being nonzero.
7440 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7442 (fprefetch-loop-arrays-rtl): Removed.
7443 (flag_prefetch_loop_arrays): Do not specify the value.
7445 * doc/passes.texi: Update documentation of loop optimizer
7447 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7448 -frerun-loop-opt): Remove.
7450 2006-02-26 Richard Guenther <rguenther@suse.de>
7452 PR tree-optimization/26421
7453 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7454 in function calls that are ADDR_EXPRs as using the whole structure.
7456 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7458 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7459 * tree-pass.h (pass_loop_optimize): Remove.
7460 * passes.c (pass_loop_optimize): Never run it.
7461 * toplev.c (backend_init): Don't call init_loop.
7462 * opts.c (flag_loop_optimize_set): Remove.
7463 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7464 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7465 the old RTL loop optimizer when profiling enabled.
7466 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7467 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7468 pre-headers for the sake of the old RTL loop optimizer.
7469 * Makefile.in: Remove all references to loop.o.
7471 * doc/invoke.texi: Remove all references to -floop-optimize
7472 and -frerun-loop-opt.
7474 2006-02-26 Zack Weinberg <zackw@panix.com>
7476 * doc/md.texi (Machine Constraints): Refer to all files with paths
7477 relative to gcc directory (i.e. config/CPU/file). Add missing
7478 @table @code ... @end table to M32C subsection.
7480 2006-02-26 Roger Sayle <roger@eyesopen.com>
7482 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7484 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7486 2006-02-26 Roger Sayle <roger@eyesopen.com>
7487 James A. Morrison <phython@gcc.gnu.org>
7490 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7491 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7492 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7493 signedness of the shift operation.
7495 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7497 PR tree-optimization/26359
7498 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7500 2006-02-25 Roger Sayle <roger@eyesopen.com>
7502 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7503 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7504 as X == 0, and some symmetry related transformations.
7505 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7507 2006-02-25 Roger Sayle <roger@eyesopen.com>
7510 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7511 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7512 symmetry related transformations. Fold (X^C1) == C2 as
7515 2006-02-25 Juergen Weigert <jw@suse.de>
7516 Richard Guenther <rguenther@suse.de>
7518 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7520 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7522 * combine.c (gen_lowpart_or_truncate): Call
7523 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7525 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7527 * doc/invoke.texi: Move -fopenmp description to "Options for
7529 Remove reference to -lgomp.
7531 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7533 * doc/install.texi: Require GNU tar version 1.14.
7535 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7537 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7538 * doc/invoke.texi (C++ Dialect Options): Document
7539 -fno-use-cxa-get-exception-ptr.
7540 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7541 * configure: Regenerate.
7542 * c.opt (fuse-cxa-get-exception-ptr): New.
7543 * c-opts.c (c_common_handle_option): Handle
7544 OPT_fuse_cxa_get_exception_ptr.
7545 * c-common.c (flag_use_cxa_atexit): Update documentation.
7546 (flag_use_cxa_get_exception_ptr): New.
7547 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7548 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7550 (C_COMMON_OVERRIDE_OPTIONS): New.
7552 2006-02-24 Roger Sayle <roger@eyesopen.com>
7555 * combine.c (try_combine): Explicitly check whether GET_CODE is
7556 a SET or a CLOBBER, instead on checking that it isn't a USE.
7558 2006-02-24 Roger Sayle <roger@eyesopen.com>
7560 * fold-const.c (fold_comparison): New subroutine of fold_binary
7561 containing transformations common to both the equality and
7562 ordering relational operators, factored out of fold_binary.
7563 (fold_binary): Separate out the equality operators (EQ_EXPR
7564 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7565 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7566 transformations common to both.
7567 (fold_div_compare): Fix latent bugs in the previously unreachable
7568 LT_EXPR and GE_EXPR cases.
7570 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7572 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7573 decl libname for clog to __clog on AIX.
7575 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7577 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7580 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7581 output traceback table for thunks. Localise rs6000_stack_info call.
7583 2006-02-23 Roger Sayle <roger@eyesopen.com>
7584 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7586 * gthr-posix.h (__gthrw): Fix typo in comment.
7588 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7590 * doc/cpp.texi (Character sets): Document that we do support
7591 input files to be in any character set.
7593 2006-02-23 Jeff Law <law@redhat.com>
7595 * tree.h (PHI_ARG_NONZERO): Remove.
7596 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7597 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7598 node to the new node.
7600 PR tree-optimization/26425
7601 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7602 min/max, then assume its varying.
7604 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7606 PR rtl-optimization/26316
7607 * rtlanal.c (enum may_trap_p_flags): New.
7608 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7609 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7610 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7611 (may_trap_after_code_motion_p): New function.
7612 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7613 (find_invariant_insn): Use may_trap_after_code_motion_p.
7614 * rtl.h (may_trap_after_code_motion_p): Declare.
7616 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7618 * emit-rtl.c (immed_double_const): Cleanup.
7620 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7622 Fix PR tree-optimization/26376
7623 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7626 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7629 * gimplify.c (omp_add_variable): Guard variable size decl test with
7630 DECL_SIZE (decl) check.
7632 2006-02-23 Richard Guenther <rguenther@suse.de>
7635 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7636 like aggregate types.
7638 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7640 * configure.ac: Add --with{,out}-long-double-128 configure option.
7641 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7642 * configure: Rebuilt.
7643 * config.in: Rebuilt.
7644 * doc/install.texi (Options specification): Document
7645 --with-long-double-128.
7647 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7648 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7649 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7650 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7652 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7654 * config/s390/s390.c (override_options): Handle
7655 TARGET_DEFAULT_LONG_DOUBLE_128.
7657 * config/alpha/alpha.c (override_options): Handle
7658 TARGET_DEFAULT_LONG_DOUBLE_128.
7660 * config/sparc/sparc.c (sparc_override_options): Handle
7661 TARGET_DEFAULT_LONG_DOUBLE_128.
7663 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7665 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7666 (real-install-headers-tar, real-install-headers-cpio)
7667 (real-install-headers-cp): New targets.
7669 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7671 * tree.h (variable_section): Delete.
7672 * varasm.c (variable_section): Delete.
7674 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7676 * install.texi: Add notes on install.texi2html.
7677 (Building in parallel): Do not use footnotes.
7679 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7682 * doc/install.texi (Configuration): Document --disable-libgomp.
7684 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7686 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7688 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7690 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7691 (vec_extractv2df_0_sse): New.
7693 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7695 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7696 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7697 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7698 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7699 to the result of the expression.
7700 (def_cfa_1): Adjust.
7701 (frame_pointer_cfa_offset): Rename to...
7702 (frame_pointer_fb_offset): ... this. Adjust all uses.
7703 (convert_cfa_to_loc_list): Rename to...
7704 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7705 Pass it on to build_cfa_loc.
7706 (compute_frame_pointer_to_cfa_displacement): Rename to...
7707 (compute_frame_pointer_to_fb_displacement): ... this. New
7708 offset parameter. Use it in computation.
7709 (gen_subprogram_die): Compute cfa_fb_offset with the new
7710 macro, and use it to compute the fb loc list and the
7713 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7715 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7716 replaced with register_operand.
7717 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7718 non-DREG is expensive.
7719 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7720 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7723 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7725 * doc/install.texi2html: Use set -e.
7727 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7729 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7730 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7731 * doc/invoke.texi (-fshared-data): Delete.
7732 * common.opt (fshared-data): Delete.
7733 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7734 (assemble_static_space): Remove #if 0 code.
7735 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7736 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7737 * config/cris/cris.h: Remove FIXME.
7739 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7741 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7744 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7747 * combine.c (simplify_shift_const_1): Disable nested shifts
7748 optimization for vector shifts.
7750 2006-02-20 Roger Sayle <roger@eyesopen.com>
7752 PR tree-optimization/26361
7753 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7754 of unsigned integer types.
7756 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7758 * tree-chrec.c (eq_evolutions_p): New.
7759 * tree-chrec.h (eq_evolutions_p): Declared.
7760 * tree-data-ref.c: Fix formatting.
7761 (datadep_stats, dependence_stats): New.
7763 (print_direction_vector): New.
7764 (dump_data_dependence_relation): Use print_direction_vector.
7765 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7766 (compute_subscript_distance): Static.
7767 (initialize_data_dependence_relation): Static. Get the number
7768 of loops surrounding the references from the callers, and initialize
7769 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7770 base_object_differ_p analyzers.
7771 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7772 compute_overlap_steps_for_affine_1_2,
7773 analyze_subscript_affine_affine): Count the classified dependences.
7774 Print a message when a test failed.
7775 (can_use_analyze_subscript_affine_affine): New.
7776 (analyze_siv_subscript): Compute the data dependences on symbolic
7777 scevs that verify can_use_analyze_subscript_affine_affine.
7778 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7779 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7780 Handle symbolic scevs.
7781 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7783 (subscript_dependence_tester): Moved...
7784 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7785 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7786 DDR_SIZE_VECT instead of getting it in parameter.
7787 (subscript_dependence_tester): ... here. Take as a parameter
7788 loop_nest_depth. Call build_classic_dist_vector and
7789 build_classic_dir_vector.
7790 (compute_affine_dependence): Update subscript_dependence_tester
7791 parameters. Update datadep_stats counters. Call
7792 compute_subscript_distance.
7793 (compute_self_dependence): Save the dist and dir vectors. Call
7794 compute_subscript_distance.
7795 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7796 (compute_all_dependences): Reorder parameters as they were before
7797 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7798 compute_subscript_distance. Update the use of
7799 compute_affine_dependence and initialize_data_dependence_relation.
7800 (find_data_references_in_loop): Handle COMPONENT_REF.
7801 (compute_data_dependences_for_loop): Initialize dependence_stats.
7802 Don't call build_classic_dist_vector and build_classic_dir_vector.
7803 Update the parameters of initialize_data_dependence_relation and
7804 compute_all_dependences. Print the statistics from datadep_stats.
7805 (analyze_all_data_dependences): Static. Not used until the pass for
7806 checking the data dependences is contributed.
7807 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7808 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7809 (initialize_data_dependence_relation, compute_affine_dependence,
7810 analyze_all_data_dependences, compute_subscript_distance): Removed.
7811 (print_direction_vector): New.
7812 * lambda.h (gcd): ... here.
7813 (lambda_vector_gcd): Moved here from gcd_vector.
7814 * lambda-code.c (gcd, gcd_vector): Removed.
7815 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7816 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7818 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7820 * ipa-type-escape.c: Tidy some comments and white space.
7821 * tree-ssa-operands.c: Likewise.
7823 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7826 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7827 (dump_decl_name): Do not walk the decl tree chains.
7828 * tree-pass.h (TDF_CHAIN): Remove.
7830 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7832 * Makefile.in (C): Remove
7834 (.PHONY): Remove C and PROTO
7836 2006-02-20 Roger Sayle <roger@eyesopen.com>
7839 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7840 deprecated CHAR_TYPE tree code.
7842 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7844 * configure.ac (target_list): Add install-info, dvi, html.
7845 * configure: Regenerate.
7847 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7848 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7849 treelang/Make-lang.in: Do not use double-colon rules.
7851 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7853 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7854 (TMT_USED_ALONE): New macro.
7855 * tree-pass.h (PROP_tmt_usage): New property.
7856 (TODO_update_tmt_usage): New todo.
7857 * tree-ssa-alias.c (updating_used_alone): New variable.
7858 (recalculate_used_alone): New function.
7859 (compute_may_aliases): Set updating_used_alone, call
7860 recalculate_used_alone.
7861 * tree-sra.c (pass_sra): Note that this pass destroys
7862 PROP_tmt_usage, and add TODO_update_tmt_usage.
7863 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7864 * tree-flow.h (updating_used_alone): Prototype.
7865 (recalculate_used_alone): Ditto.
7866 * passes.c (execute_todo): Add code to set updating_used_alone,
7867 and call recalculate.
7868 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7869 for clobber if used alone, and add assert to verify used_alone
7872 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7874 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7875 for non tls symbols added.
7876 (legitimize_address): Do nothing for PLUS expressions if one of the
7877 addends is a tls symbol reference.
7879 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7883 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7885 * Makefile.in (BOOTSTRAPPING): New.
7886 (quickstrap): New definition if BOOTSTRAPPING=yes.
7888 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7889 * configure.ac: Substitute all_selected_languages with the languages
7890 that were configured. For all the other variables except
7891 lang_specs_files, include all the languages in the tree.
7892 * configure: Regenerate.
7894 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7895 if there is one. Run the commands to run fixincludes in the same
7898 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7899 * doc/install.texi: Document exact conventions for searching target tools.
7900 Document --with-build-time-tools. Document toplevel bootstrap. Document
7901 something more about building an Ada cross-compiler. Don't list GNU Make
7902 requirements which affect all platforms.
7904 2006-02-19 Roger Sayle <roger@eyesopen.com>
7907 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7908 only equivalent if the have both the same mode and precision.
7910 2006-02-20 Ben Elliston <bje@au.ibm.com>
7912 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7914 2006-02-19 Roger Sayle <roger@eyesopen.com>
7915 Steven Bosscher <stevenb.gcc@gmail.com>
7917 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7918 constant pool references to identify stack mode constants.
7919 * rtlanal.c (constant_pool_constant_p): New predicate to check
7920 whether operand is a floating point constant in the pool.
7921 * rtl.h (constant_pool_constant_p): Prototype here.
7922 * loop.c (scan_loop): Avoid hoisting constants from the constant
7923 pool on STACK_REGS targets.
7924 (load_mems): Likewise.
7925 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7926 loads into x87 registers expensive in terms of register pressure.
7928 2006-02-19 Roger Sayle <roger@eyesopen.com>
7930 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7931 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7933 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7935 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7936 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7938 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7940 * doc/invoke.texi: Document -fipa-pta.
7941 * common.opt: Add ipa-pta option.
7942 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7943 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7944 (do_ds_constraint): Ditto.
7945 (get_constraint_for): Only add to referenced_vars if
7946 referenced_vars exists.
7947 (insert_into_field_list): Rewrite to do this unsorted.
7948 (insert_into_field_list_sorted): Rename old insert_into_field_list
7950 (create_function_info_for): Use insert_into_field_list_sorted.
7951 (create_variable_info_for): Rewrite so it uses unsorted version,
7952 since the field list is sorted.
7953 (intra_create_variable_infos): Only add to referenced_vars if
7954 referenced_vars exists.
7955 (ipa_pta_execute): Init heapvars, and delete when done.
7956 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7958 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7960 * doc/install.texi: Add missing `@samp'.
7962 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7964 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7967 2006-02-18 Mark Wielaard <mark@klomp.org>
7969 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7970 who added new 4.1 features, bug fixes and integration support.
7972 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7975 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7978 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7980 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7981 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7982 (copy_insn_1): Likewise. Don't copy each field individually.
7984 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7986 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7987 * rtl.c (rtx_size): Rename variable to...
7988 (rtx_code_size): ...this.
7989 (rtx_size): New function.
7990 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7991 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7993 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7994 * rtl.h (rtx_code_size): New variable.
7995 (rtx_size): Change from a variable to a function.
7996 (RTX_SIZE): Rename to...
7997 (RTX_CODE_SIZE): ...this.
8000 PR tree-optimization/17106
8001 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8002 (Anchored Addresses): New section.
8003 * doc/invoke.texi (-fsection-anchors): Document.
8004 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8005 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8006 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8007 * hooks.c (hook_bool_mode_rtx_false): New function.
8008 * hooks.h (hook_bool_mode_rtx_false): Declare.
8009 * gengtype.c (create_optional_field): New function.
8010 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8011 SYMBOL_REF_IN_BLOCK_P is true.
8012 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8013 (min_anchor_offset, max_anchor_offset): Likewise.
8014 (use_anchors_for_symbol_p): New hook.
8015 * toplev.c (compile_file): Call output_object_blocks.
8016 (target_supports_section_anchors_p): New function.
8017 (process_options): Check that -fsection-anchors is only used on
8018 targets that support it and when -funit-at-a-time is in effect.
8019 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8020 if the decl doesn't have one.
8021 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8022 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8023 of force_const_mem through use_anchored_address.
8024 (expand_expr_constant): New function.
8025 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8026 calling expand_expr for INDIRECT_REF.
8027 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8028 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8029 * expr.h (use_anchored_address): Declare.
8030 * loop-unroll.c: Don't declare rtx vectors here.
8031 * explow.c: Include output.h.
8032 (validize_mem): Call use_anchored_address.
8033 (use_anchored_address): New function.
8034 * common.opt (-fsection-anchors): New switch.
8035 * varasm.c (object_block_htab, anchor_labelno): New variables.
8036 (hash_section, object_block_entry_eq, object_block_entry_hash)
8037 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8038 (use_blocks_for_decl_p, change_symbol_section): New functions.
8039 (get_variable_section): New function, split out from assemble_variable.
8040 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8041 use_blocks_for_decl_p say so. Use change_symbol_section if the
8042 symbol has already been created.
8043 (assemble_variable_contents): New function, split out from...
8044 (assemble_variable): ...here. Don't output any code for
8045 block symbols; just pass them to place_block_symbol.
8046 Use get_variable_section and assemble_variable_contents.
8047 (get_constant_alignment, get_constant_section, get_constant_size): New
8048 functions, split from output_constant_def_contents.
8049 (build_constant_desc): Create a block symbol if use_object_blocks_p
8050 says so. Or into SYMBOL_REF_FLAGS.
8051 (assemble_constant_contents): New function, split from...
8052 (output_constant_def_contents): ...here. Don't output any code
8053 for block symbols; just pass them to place_section_symbol.
8054 Use get_constant_section and get_constant_alignment.
8055 (force_const_mem): Create a block symbol if use_object_blocks_p and
8056 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8057 (output_constant_pool_1): Add an explicit alignment argument.
8058 Don't switch sections here.
8059 (output_constant_pool): Adjust call to output_constant_pool_1.
8060 Switch sections here instead. Don't output anything for block symbols;
8061 just pass them to place_block_symbol.
8062 (init_varasm_once): Initialize object_block_htab.
8063 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8064 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8065 (place_block_symbol, get_section_anchor, output_object_block)
8066 (output_object_block_htab, output_object_blocks): New functions.
8067 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8068 (TARGET_ASM_OUT): Include it.
8069 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8070 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8071 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8072 (TARGET_INITIALIZER): Include them.
8073 * rtl.c (rtl_check_failed_block_symbol): New function.
8074 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8075 (block_symbol, object_block): New structures.
8076 (rtx_def): Add a block_symbol field to the union.
8077 (BLOCK_SYMBOL_CHECK): New macro.
8078 (rtl_check_failed_block_symbol): Declare.
8079 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8080 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8081 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8082 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8083 * output.h (output_section_symbols): Declare.
8084 (object_block): Name structure.
8085 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8086 (default_use_anchors_for_symbol_p): Declare.
8087 * Makefile.in (RTL_BASE_H): Add vec.h.
8088 (explow.o): Depend on output.h.
8089 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8090 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8092 (rs6000_use_blocks_for_constant_p): New function.
8094 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8096 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8098 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8101 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8104 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8106 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8110 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8113 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8114 instead of DECL_REGISTER.
8116 2006-02-18 Olivier Hainque <hainque@adacore.com>
8119 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8121 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8124 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8125 * opth-gen.awk: Handle Var and InverseMask together.
8126 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8127 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8128 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8129 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8131 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8132 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8133 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8134 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8135 LINUX_DYNAMIC_LINKER): Define.
8136 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8137 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8139 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8140 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8141 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8143 (TARGET_C99_FUNCTIONS): Don't define.
8144 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8145 GLIBC_DYNAMIC_LINKER.
8146 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8147 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8148 GLIBC_DYNAMIC_LINKER64): Define.
8149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8150 LINUX_DYNAMIC_LINKER64.
8151 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8153 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8155 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8157 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8158 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8159 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8160 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8161 and LINUX_DYNAMIC_LINKER32.
8162 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8163 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8164 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8166 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8168 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8169 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8170 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8171 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8172 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8173 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8174 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8175 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8176 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8177 LINUX_DYNAMIC_LINKER): Define.
8178 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8179 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8180 GLIBC_DYNAMIC_LINKER64): Define.
8181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8182 LINUX_DYNAMIC_LINKER64.
8183 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8184 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8185 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8186 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8187 LINUX_DYNAMIC_LINKER): Define.
8188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8189 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8190 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8191 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8192 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8193 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8194 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8195 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8196 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8197 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8199 * doc/invoke.texi (-muclibc): Remove caveat about supported
8202 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8204 * doc/cpp.texi (__TIMESTAMP__): Document.
8206 2006-02-17 Roger Sayle <roger@eyesopen.com>
8209 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8210 C is one less than the width of X (and related transformations).
8211 * simplify-rtx.c (simplify_unary_operation_1): Transform
8212 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8213 depending on STORE_FLAG_VALUE, were C is one less then the
8216 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8218 Fix PR tree-optimization/26341
8219 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8220 about NAME_MEMORY_TAG's.
8222 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8225 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8226 with hardware float support, and software float support. Add fcpy
8227 alternative to hardware patterns. Add alternatives to copy between
8228 general and floating-point registers to the 32-bit pattern.
8229 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8230 secondary reload to load a QI or HI mode constant into a floating
8232 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8233 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8235 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8238 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8240 (load_macho_picbase_di): Likewise.
8242 2006-02-16 Jeff Law <law@redhat.com>
8244 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8245 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8246 (ssa_name_nonzero_p): Likewise.
8247 (get_value_range): Return NULL if VRP is not running.
8248 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8249 VRP routines do not discover a range.
8250 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8251 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8252 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8253 (tree_expr_nonnegative_p): Similarly.
8254 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8255 (restore_nonzero_vars_to_original_value): Remove.
8256 (unsafe_associative_fp_binop): Remove.
8257 (tree_ssa_dominator_optimize): Remove initialization and
8258 finalization of nonzero_vars and nonzero_vars_stack.
8259 (dom_opt_initialize_block): No longer push marker on
8261 (dom_opt_finalize_block): No longer call
8262 restore_nonzero_vars_to_original_value.
8263 (record_equivalences_from_phis): No longer look for
8264 nonzero PHI arguments.
8265 (cprop_into_successor_phis): No longer propagate nonzero
8266 property into PHI arguments. Lose unused argument. Caller
8268 (record_equivalences_from_stmt): No longer record nonzero
8269 values for SSA_NAMEs.
8270 (lookup_avail_expr): No longer use nonzero_vars.
8272 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8273 for sizetype when sizetype is unsigned.
8275 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8277 PR rtl-optimization/25603
8278 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8279 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8280 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8281 with new meaning of SETS.
8283 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8288 * config/linux.opt: New file.
8289 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8290 LINUX_DYNAMIC_LINKER): Define.
8291 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8292 * config.gcc (*-*-linux*): Define extra_options.
8293 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8294 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8295 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8296 GLIBC_DYNAMIC_LINKER.
8297 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8298 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8299 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8301 * doc/invoke.texi (GNU/Linux Options): New section.
8303 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8305 * config/sparc/sparc.md (setjmp): Rewrite.
8306 (setjmp_32): Delete.
8307 (setjmp_64): Likewise.
8309 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8311 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8314 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8316 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8319 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8321 PR rtl-optimization/26296
8322 * Makefile.in (loop-invariant.c): Add except.h dependency.
8323 * loop-invariant.c: Include except.h.
8324 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8326 2005-02-16 Paul Brook <paul@codesourcery.com>
8328 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8331 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8333 PR rtl-optimization/25636
8334 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8335 when deciding whether an insn is an initializing insn.
8337 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8339 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8340 (tree_code_size): Ditto.
8341 * tree.h (struct tree_memory_tag): Remove parent_var.
8342 (struct tree_struct_field_tag): New.
8345 (union tree_node): Add sft member.
8346 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8348 (create_sft): Add size and offset argument, set SFT_OFFSET and
8350 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8351 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8352 * tree-flow-inline.h (get_subvar_at): Update for
8353 SFT_OFFSET/SFT_SIZE.
8354 (var_can_have_subvars): Ditto.
8355 (overlap_subvar): Ditto.
8356 * print-tree.c (print_node): Print out interesting things for
8358 * tree-flow.h (struct subvar): Remove offset and size members.
8359 * tree-ssa-operands.c (get_expr_operands): Update for
8360 get_indirect_ref_operands changes.
8361 (get_indirect_ref_operands): Call add_virtual_operand instead of
8362 add_stmt_operand. Only recurse on base var if requested.
8363 (access_can_touch_variable): New function.
8364 (add_stmt_operand): Split virtual operand handling into ...
8365 (add_virtual_operand): Here. Add offset, size, and for_clobber
8366 arguments. Prune alias sets.
8367 (add_call_clobber_ops): Call add_virtual_operand.
8369 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8372 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8374 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8375 than TREE_CODE as index into omp_clause_num_ops array.
8377 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8379 PR rtl-optimization/26184
8380 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8382 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8383 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8384 must_precede, must_follow and tobe_scheduled.
8387 * opts.c (common_handle_option): Free new_option pointer.
8388 * df-core.c (df_analyze): Free postorder pointer.
8390 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8392 * Makefile.in: Fix the examples about the use of stamps
8394 2006-02-15 Michael Matz <matz@suse.de>
8398 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8399 influenced by maximum_field_alignment or DECL_PACKED.
8400 (update_alignment_for_field): Ditto.
8401 (place_field): Ditto.
8402 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8405 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8407 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8408 (debug_flow_info): Pass it.
8409 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8410 * bb-reorder.c (reorder_basic_blocks): Likewise.
8411 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8412 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8413 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8414 * gcse.c (gcse_main, bypass_jumps): Likewise.
8415 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8416 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8417 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8418 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8419 * rtl.h (dump_flow_info): Adjust prototype.
8420 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8421 * var-tracking.c (variable_tracking_main): Likewise.
8422 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8423 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8426 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8428 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8431 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8433 PR tree-optimization/26209
8434 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8435 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8437 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8439 2006-02-14 Roger Sayle <roger@eyesopen.com>
8442 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8443 (X,Y) and the corresponding symmetry related transformations.
8444 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8445 (X,Y) and its symmetry related transformations.
8447 2006-02-14 Roger Sayle <roger@eyesopen.com>
8449 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8452 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8454 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8456 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8459 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8460 support COMDAT group.
8461 * configure: Regenerate.
8463 2006-02-14 Roger Sayle <roger@eyesopen.com>
8468 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8470 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8472 Fix PR tree-optimization/26260
8474 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8476 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8477 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8478 * tree-ssa-structalias.c (create_variable_info_for): Use
8479 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8481 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8483 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8485 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8486 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8487 of the ending condition.
8488 * tree-ssa-loop-manip.c: Include params.h.
8489 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8490 tree_unroll_loop): New functions.
8491 * tree-pass.h (pass_loop_prefetch): Declare.
8492 * loop.c (rest_of_handle_loop_optimize): Test for
8493 -fprefetch-loop-arrays-rtl.
8494 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8495 * timevar.def (TV_TREE_PREFETCH): New timevar.
8496 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8497 pass_loop_prefetch): New.
8498 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8499 (cleanup_tree_cfg_loop): Call scev_reset.
8500 * common.opt (fprefetch-loop-arrays-rtl): Add.
8501 * tree-ssa-loop-prefetch.c: New file.
8502 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8503 (new_temp_expr_table): Initialize expr_vars.
8504 (free_temp_expr_table): Cleanup expr_vars.
8505 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8506 expressions from being merged into one.
8507 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8508 (struct tree_niter_desc): Add control, bound and cmp fields.
8509 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8511 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8512 (tree-cfgcleanup.o): Add SCEV_H dependency.
8513 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8514 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8516 2006-02-14 Richard Guenther <rguenther@suse.de>
8518 PR tree-optimization/26258
8519 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8520 in PHI argument processing.
8522 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8524 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8525 new expression in the requested machine mode.
8527 2006-02-13 Roger Sayle <roger@eyesopen.com>
8529 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8530 directly, instead let do_compare_rtx_and_jump handle this for us.
8531 * expr.c (expand_expr_real_1): Likewise.
8532 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8533 before do_jump_by_parts_greater.
8534 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8535 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8537 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8539 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8541 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8543 PR rtl-optimization/26235
8544 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8545 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8548 2006-02-13 Jeff Law <law@redhat.com>
8550 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8553 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8556 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8557 twice if decl is a builtin. When trying again, call get_callee_fndecl
8558 first to verify it is still a builtin.
8560 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8562 * dwarf2out.c (base_type_die): Don't add AT_name here.
8563 (subrange_type_die): Don't add AT_name here.
8564 (modified_type_die): Rearrange code flow. Do add AT_name here.
8566 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8568 PR rtl-optimization/26247
8569 PR rtl-optimization/26248
8570 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8572 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8574 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8575 * config/fixtfdi.c: Likewise.
8576 * config/fixunstfdi.c: Likewise.
8577 * config/floatditf.c: Likewise.
8579 2006-02-13 Roger Sayle <roger@eyesopen.com>
8582 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8583 into (X,C2) if C1 is a subset of the bits of C2. Transform
8584 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8586 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8588 2006-02-13 Josh Conner <jconner@apple.com>
8591 * varasm.c (function_section): Check for section name before
8592 calling select_section on targets that define
8593 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8594 unlikely_text_section instead of hot_function_section if
8595 first_function_block_is_cold.
8597 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8600 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8602 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8604 PR rtl-optimization/26222
8605 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8606 after tree->rtl expansion.
8607 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8608 before passing it to emit_move_insn.
8610 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8612 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8614 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8615 Clarify documentation.
8616 * c-common.h (warn_write_strings): Remove.
8617 * c-common.c (warn_write_strings): Likewise.
8618 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8621 2006-02-12 Roger Sayle <roger@eyesopen.com>
8624 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8625 (do_jump_parts_zero_rtx): New function renamed from
8626 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8627 (do_jump_parts_equality_rtx): New function split out from
8628 do_jump_parts_equality. Old implementation renamed as above.
8629 Call do_jump_parts_zero_rtx if either operand is zero.
8630 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8631 do all of the heavy lifting.
8632 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8633 calling either do_jump_by_parts_greater_rtx or
8634 do_jump_by_parts_equality_rtx.
8635 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8636 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8637 moved to do_compare_rtx_and_jump, call it directly.
8638 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8639 mode argument. Call do_compare_rtx_and_jump.
8640 (emit_case_nodes): Update calls to do_jump_if_equal.
8642 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8644 PR rtl-optimization/26225
8645 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8647 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8649 PR rtl-optimization/26232
8650 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8652 2006-02-11 Jason Merrill <jason@redhat.com>
8655 * tree-inline.c (declare_return_variable): Just don't use the
8656 modify target if it's a gimple complex reg and the return slot
8659 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8661 * doc/contrib.texi: Update my entry.
8663 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8665 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8667 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8669 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8672 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8674 * doc/invoke.texi (-floop-optimize2): Removed.
8675 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8676 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8677 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8678 * common.opt (floop-optimize2): Removed.
8679 (fmove-loop-invariants): Enabled by default.
8681 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8683 * tree-if-conv.c (combine_blocks): Free the result of
8684 get_loop_exit_edges.
8686 2006-02-10 Jeff Law <law@redhat.com>
8688 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8690 PR tree-optimization/26213
8691 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8692 loop trying to follow SSA_NAME_VALUE chains.
8694 2006-02-10 Richard Guenther <rguenther@suse.de>
8696 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8697 deal with structures that end in implicitly variable sized arrays.
8699 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8701 PR rtl-optimization/24762
8702 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8705 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8707 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8708 (struct ivopts_data): Add regs_used field.
8709 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8710 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8711 instead of loop_data->regs_used;
8712 (free_loop_data): Do not free aux fields for loops.
8713 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8714 and tree_ssa_iv_optimize_finalize.
8716 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8718 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8720 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8723 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8724 computing the effective result type.
8726 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8729 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8730 (tree_overlaps_hard_reg_set): Declare.
8731 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8732 type and signature to match function type expected by walk_tree.
8733 (tree_overlaps_hard_reg_set): New function.
8734 (decl_conflicts_with_clobbers_p): Rename to:
8735 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8736 Use tree_overlaps_hard_reg_set. Changed caller.
8737 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8738 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8739 * cris.c (cris_md_asm_clobbers): Likewise.
8741 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8743 * reload1.c (emit_input_reload_insns): Delete code that tries to
8744 inherit using find_equiv_reg.
8746 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8748 * c-common.h (flag_const_strings): Don't declare.
8749 * c-common.c (flag_const_strings): Remove.
8750 * c.opt (fconst_strings): Remove.
8751 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8752 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8753 (c_common_init_options): Don't set flag_const_strings.
8754 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8756 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8758 * arm.md (tlobits_cbranch): New pattern.
8759 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8760 testing a single bit.
8762 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8765 * tree-ssa-pre.c (create_component_ref_by_pieces):
8766 Handle RETURN_DECL like VAR_DECL.
8768 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8771 * fold-const.c (fold_indirect_ref_1): Fold
8772 "*(foo *)&complexfoo" to "__real__ complexfoo"
8773 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8775 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8777 * tree-flow-inline.h (var_can_have_subvars):
8778 Volatile variables should not have subvariables.
8780 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8783 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8784 multiplying unsigned values.
8787 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8789 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8791 2006-02-08 Jason Merrill <jason@redhat.com>
8794 * tree.def: Elaborate on difference from MODIFY_EXPR.
8795 * doc/c-tree.texi (INIT_EXPR): Likewise.
8796 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8797 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8798 (gimplify_target_expr): Likewise.
8799 (gimplify_cond_expr): Remove target handling.
8800 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8801 (gimplify_expr): Clobber it here.
8802 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8803 Do return slot optimization if we have an INIT_EXPR.
8806 * tree-inline.c (declare_return_variable): Also clear
8807 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8810 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8813 * gimplify.c (gimplify_one_sizepos): Fix typo.
8815 2006-02-08 Jeff Law <law@redhat.com>
8817 PR tree-optimization/21417
8818 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8819 across a backedge if the control statement at the end of the
8820 block is data dependent on other statements in the same block.
8821 (record_temporary_equivalences_from_stmts): Remove over-conservative
8822 test for threading across backedges.
8824 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8825 control statement, handle all three special cases in the same
8826 manner as they all have the same desired solution. No longer
8827 special case edge flag updating when the post dominator is
8830 2006-02-08 Roger Sayle <roger@eyesopen.com>
8832 * tree.def (CHAR_TYPE): Remove.
8833 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8834 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8835 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8836 (gen_string_type_die): Delete unreachable function.
8838 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8839 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8840 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8841 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8842 * builtins.c (type_to_class): Likewise.
8843 * fold-const.c (fold_convert, build_range_check,
8844 merge_ranges): Likewise.
8845 * expr.c (count_type_elements): Likewise.
8846 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8847 * stor-layout.c (layout_type): Likewise.
8848 * ipa-type-escape.c (type_to_consider): Likewise.
8849 * gimplify.c (omp_firstprivatize_type_sizes,
8850 gimplify_type_sizes): Likewise.
8851 * explow.c (promote_mode): Likewise.
8852 * tree-sra.c (is_sra_scalar_type): Likewise.
8853 * varasm.c (output_constant): Likewise.
8854 * tree-inline.c (remap_type_1): Likewise.
8855 * convert.c (convert_to_pointer, convert_to_real,
8856 convert_to_integer, convert_to_complex): Likewise.
8858 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8860 * df-scan.c (df_def_record_1): A set destination may
8861 be a parallel regardless of mode.
8863 2006-02-08 Roger Sayle <roger@eyesopen.com>
8866 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8867 * config/mips/_tilib.c: Remove.
8868 * config/fixtfdi.c: New libgcc source file.
8869 * config/fixunstfdi.c: New source file.
8870 * config/floatditf.c: New source file.
8871 * config/floatunditf.c: New souce file.
8872 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8873 files above instead of config/mips/_tilib.c.
8874 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8876 2006-02-08 Jeff Law <law@redhat.com>
8878 PR tree-optimization/26169
8879 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8882 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8884 * df.h (DF_REG_SIZE): Return the length of the initialized
8887 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8889 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8890 __muldf3): Return a correctly signed zero.
8892 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8894 * passes.c (register_one_dump_file): Accept the current properties
8895 instead of pass number. Adjust call to dump_register. Remove
8897 (register_dump_files): Now a wrapper around...
8898 (register_dump_files_1): ... this one. Do not modify the pass
8900 (next_pass_1): Cosmetic fix.
8901 (execute_todo): Keep second parameter only. Use curr_properties
8902 instead of fetching it from the pass structure. Check and set
8904 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8905 instead of fetching it from the pass structure. Fix calls to
8906 execute_todo. Update curr_properties and initialize .vcg RTL dump
8907 after running the pass. Reset last_verified.
8908 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8910 (FIRST_AUTO_NUMBERED_DUMP): New.
8911 (dump_register): Remove "num" parameter, assign it within the
8913 (get_dump_file_name): Modify template for dumps.
8914 * tree-dump.h (dump_register): Adjust prototype.
8915 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8916 (PROP_trees): Add PROP_gimple_lomp.
8917 (TODO_set_props): New.
8918 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8919 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8920 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8922 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8924 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8925 (sparc64-*-linux*): Likewise.
8926 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8927 * config/sparc/t-linux: New file.
8928 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8929 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8930 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8931 -m32 -mlong-double-128.
8933 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8934 * config/alpha/t-linux: New file.
8935 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8937 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8938 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8939 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8940 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8941 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8942 (CPP_ARCH32_SPEC): Remove.
8944 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8946 PR tree-optimization/26145
8947 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8950 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8953 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8954 >= 240000 when generating code for SOM runtime.
8955 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8956 to $$dyncall when generating code for SOM runtime..
8958 2006-02-07 Dirk Mueller <dmueller@suse.com>
8961 * doc/invoke.texi (-Wsequence-point): Update documentation
8962 that -Wsequence-point is implemented for C++ as well.
8964 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8966 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8967 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8968 (LIB_SPEC): Likewise.
8969 * doc/invoke.texi (SPARC options): Document -pthread.
8971 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8973 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8976 2006-02-07 Roger Sayle <roger@eyesopen.com>
8978 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8979 Correct comment describing BOOLEAN_TYPE.
8981 2006-02-07 Dirk Mueller <dmueller@suse.com>
8983 * c.opt: C++ frontend supports -Wdiv-by-zero.
8984 * c-opts.c (c_common_handle_option): Remove dead case.
8986 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8988 * configure.ac (TLS assembler check): Do not enable TLS by
8989 default on SPARC/Solaris before version 10.
8990 * configure: Regenerate.
8992 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8994 * doc/invoke.texi (xl-compat): Document conversion and support
8997 2006-02-07 Jeff Law <law@redhat.com>
8999 * tree-vrp.c (find_conditional_asserts): Update comments.
9000 (simplify_stmt_for_jump_threading): New.
9001 (identify_jump_threads, finalize_jump_threads): New.
9002 (vrp_finalize): Call identify_jump_threads.
9003 (execute_vrp): Call finalize_jump_threads.
9004 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9005 (vrp_element, vrp_data, vrp_element_p): Remove.
9006 (vrp_hash_elt, vrp_variables_stack): Remove.
9007 (vrp_hash, vrp_eq, record_range): Remove.
9008 (simplify_cond_and_lookup_avail_expr): Remove.
9009 (extract_range_from_cond): Remove.
9010 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9011 (simplify_stmt_for_jump_threading): New.
9012 (dom_thread_across_edge): New wrapper.
9013 (tree_ssa_dominator_optimize): No longer initialize or
9014 finalize any of the VRP datastructures. Remove iteration
9015 step and simplify as a result of removal of iteration step.
9016 (pass_dominator): Perform a cfg cleanup after DOM.
9017 (dom_opt_finalize_block): Use the new common routines
9018 for threading jumps. Simplify stack management slightly.
9019 No longer need to unwind VRP state.
9020 (record_equivalences_from_incoming_edge): No longer record
9022 (eliminate_redundant_computations): No longer call
9023 simplify_cond_and_lookup_avail_expr.
9024 * tree-flow.h (potentially_threadable_block): Prototype.
9025 (thread_across_edge): Likewise.
9026 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9027 (tree-ssa-threadedge.o): Add dependencies.
9028 * tree-ssa-threadedge.c: New file.
9029 * passes.c (init_optimization_passes): Merge PHIs before
9030 calling VRP. Run VRP again late in the SSA optimization pipeline.
9032 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9034 * df-core.c (df_set_blocks): Do not dereference function pointers.
9035 (df_finish1): Likewise.
9036 (df_hybrid_search_forward): Likewise.
9037 (df_hybrid_search_backward): Likewise.
9038 (df_iterative_dataflow): Likewise.
9039 (df_analyze_problem): Likewise.
9040 (df_compact_blocks): Likewise.
9041 (df_dump): Likewise.
9042 * df-scan.c (df_rescan_blocks): Likewise.
9043 (df_record_entry_block_defs): Likewise.
9045 * genconditions.c (write_conditions): Guard the definition of
9046 'insn_conditions' with the check on GCC version.
9047 (write_writer): Guard the traversal 'insn_conditions' with
9048 the check on GCC version.
9050 2006-02-07 Richard Guenther <rguenther@suse.de>
9054 2006-01-30 Richard Guenther <rguenther@suse.de>
9056 * gimplify.c (gimplify_target_expr): Handle easy cases
9057 without creating a temporary.
9059 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9061 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9062 use of float in probability computations. Use edge probabilities
9063 in place of statically computed probabilities.
9064 (min_spec_prob): New static variable.
9065 (schedule_insns): Initialize it.
9066 (GET_SRC_PROB): Removed.
9067 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9069 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9072 * config/ia64/unwind-ia64.c: Revert last change.
9073 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9074 (INCOMING_FRAME_SP_OFFSET): Define.
9076 2006-02-06 Roger Sayle <roger@eyesopen.com>
9078 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9080 2006-02-07 Ben Elliston <bje@au.ibm.com>
9082 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9083 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9084 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9085 (ix86_return_in_memory): Handle TDmode.
9086 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9087 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9089 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9091 * reorg.c (dbr_schedule): Use dump_file instead of file.
9093 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9096 * config/ia64/predicates.md (extr_len_operand): New predicate.
9097 * config/ia64/ia64.md (extv): Tighten constraints.
9099 (*tbit_and_2): Ditto.
9100 (*tbit_and_3): Ditto.
9101 (*tbit_or_2): Ditto.
9102 (*tbit_or_3): Ditto.
9106 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9109 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9111 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9113 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9114 loop_optimizer_init and loop_optimizer_finalize
9115 * tree-ssa-sink.c (execute_sink_code): Ditto.
9116 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9117 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9118 tree_ssa_loop_done): Ditto.
9119 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9120 * sched-ebb.c: Include output.h.
9121 (schedule_ebbs): Do not use dump argument.
9122 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9123 * loop.c (loop_dump_stream): Removed.
9124 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9126 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9127 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9128 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9129 loop_iterations, strength_reduce, record_biv, record_giv,
9130 final_giv_value, check_final_value, check_ext_dependent_givs,
9131 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9132 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9133 dump_file instead of loop_dump_stream.
9134 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9136 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9138 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9139 * haifa-sched.c: Include output.h
9140 (schedule_insns, sched_init): Do not use dump argument.
9141 * mode-switching.c (optimize_mode_switching): Ditto.
9142 * modulo-sched.c (stats_file): Removed.
9143 (print_node_sched_params): Do not call argument dump_file.
9144 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9145 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9147 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9149 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9150 rtl_loop_init, rtl_loop_done): Ditto.
9151 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9152 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9154 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9155 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9156 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9157 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9158 * emit-rtl.c (renumber_insns): Ditto.
9159 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9160 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9161 * regclass.c (regclass): Ditto.
9162 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9163 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9164 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9165 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9167 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9168 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9170 * gcse.c (gcse_file, debug_stderr): Removed.
9171 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9172 rest_of_handle_gcse): Do not use dump argument.
9173 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9174 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9175 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9176 compute_code_hoist_vbeinout, compute_code_hoist_data,
9177 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9178 compute_store_table, build_store_vectors, insert_insn_start_bb,
9179 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9180 store_motion): Use dump_file instead of gcse_file.
9181 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9182 * profile.c (profile_dump_file): Removed.
9183 (branch_prob): Use dump_file instead of profile_dump_file.
9184 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9186 * tree-ssa-copy.c (dump_copy_of): Ditto.
9187 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9188 dump file to life_analysis.
9189 * bt-load.c (branch_target_load_optimize): Ditto.
9190 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9192 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9193 regclass, dbr_schedule): Declaration changed.
9194 * sched-int.h (sched_init): Declaration changed.
9195 * tree-profile.c (tree_profile_dump_file): Removed.
9196 (tree_profile_hooks): Removed profile_dump_file hook.
9197 * rtl-profile (rtl_profile_dump_file): Removed.
9198 (rtl_profile_hooks): emoved profile_dump_file hook.
9199 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9201 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9202 * tree-cfg.c (build_tree_cfg): Ditto.
9203 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9204 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9205 Declaration changed.
9206 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9207 life_analysis and schedule_insns.
9208 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9210 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9212 * config/mips/mips.c (mips_reorg): Ditto.
9213 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9216 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9218 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9219 (s390_mangle_fundamental_type): New.
9220 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9223 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9224 (alpha_mangle_fundamental_type): New.
9225 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9228 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9230 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9232 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9233 (sparc_mangle_fundamental_type): New.
9235 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9237 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9238 (s390x-*-linux*): Likewise.
9239 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9240 * config/s390/t-linux: New file.
9242 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9244 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9245 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9247 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9249 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9250 (ANTIC_SAFE_LOADS): New macro.
9251 (find_or_generate_expression): Add prototype.
9252 (set_contains_value): Allow null set for sake of not always having
9253 to allocate ANTIC_SAFE_LOADS.
9254 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9255 Allow COMPONENT_REF too.
9256 (valid_in_set): Allow COMPONENT_REF.
9257 Check ANTIC_SAFE_LOADS too.
9258 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9259 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9261 (can_PRE_operation): Add COMPONENT_REF.
9262 (create_component_ref_by_pieces): New function.
9263 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9264 (insert_aux): Move AGGREGATE_TYPE_P check here.
9265 (compute_avail): Set bb local stmt uids.
9266 (pass_pre): Use TODO_update_ssa_only_virtuals.
9268 2006-02-06 Ben Elliston <bje@au.ibm.com>
9270 * configure.ac: Unconditionally disable decimal float by default.
9271 * configure: Regenerate.
9273 2006-02-06 Ben Elliston <bje@au.ibm.com>
9275 * read-rtl.c (read_name): Terminate reading on EOF.
9277 2006-02-06 Ben Elliston <bje@au.ibm.com>
9279 * dfp.c (decimal_real_arithmetic): Change second argument type
9280 from int to enum tree_code. Do not always return true, but now
9281 return result of any call to decimal_do helper functions.
9282 * dfp.h (decimal_real_arithmetic): Update prototype.
9284 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9286 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9288 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9291 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9294 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9296 * tree-vrp.c (cfg_loops): Removed.
9297 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9298 Use current_loops instead of cfg_loops. Pass flags to
9299 loop_optimizer_init.
9300 * cfgloopmanip.c (fix_loop_structure): Update only available
9302 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9303 loop_optimizer_init.
9304 * modulo-sched.c (build_loops_structure): Removed.
9305 (sms_schedule): Use loop_optimizer_init.
9306 * loop-init.c (loop_optimizer_init): Use flags to determine
9307 which properties of loops to prepare.
9308 (rtl_loop_init): Pass flags to loop_optimizer_init.
9309 * tree-ssa-sink.c (execute_sink_code): Ditto.
9310 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9311 * tree-ssa-pre.c (init_pre): Ditto.
9312 * cfgloop.h (LOOPS_NORMAL): New.
9313 (loop_optimizer_init): Declaration changed.
9315 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9317 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9318 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9320 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9322 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9324 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9325 * pa/t-pa64: Delete quadlib.c rule.
9326 * pa/x-ada: Revert last change.
9327 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9329 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9331 PR rtl-optimization/26087
9332 * rtlanal.c (canonicalize_condition): Do not cross basic block
9335 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9338 * config/ia64/ia64.c: Include debug.h.
9339 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9340 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9341 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9342 (process_epilogue, process_set, process_for_unwind_directive):
9343 Output unwind info only if requested. Add CFA info if requested.
9344 Add new arguments as needed. Adjust callers.
9345 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9347 (DWARF2_FRAME_INFO): Define to zero.
9348 * config/ia64/unwind-ia64.c: Remove code that compensated for
9349 the CFA offset error fixed above.
9350 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9351 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9352 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9353 -funwind-tables and -fexceptions to enable frame info.
9354 (dwarf2out_frame_init): Define initial CFA even if
9355 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9356 DWARF2_UNWIND_INFO is nonzero, not just defined.
9357 (dwarf2out_frame_finish): Output non-EH call frame info only
9358 if DWARF2_FRAME_INFO is nonzero.
9359 (convert_cfa_to_loc_list,
9360 compute_frame_pointer_to_cfa_displacement): Define even if
9361 unwind info is not supported.
9362 (gen_subprogram_die): Use the above unconditionally. Remove
9363 legacy alternate code.
9364 * toplev.c (compile_file): Compile in call to
9365 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9366 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9368 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9369 Jakub Jelinek <jakub@redhat.com>
9371 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9372 IBM extended float format long double as "g" on powerpc*-linux.
9374 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9377 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9378 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9380 2006-02-03 Jason Merrill <jason@redhat.com>
9383 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9386 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9387 on the return slot if it's an NRV.
9389 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9391 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9392 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9393 rewrite_use): Do not handle USE_OUTER.
9394 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9395 add_iv_outer_candidates, may_replace_final_value,
9396 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9397 (find_interesting_uses_op): Functionality of
9398 find_interesting_uses_outer_or_nonlin moved here.
9399 (find_interesting_uses_outside): Use find_interesting_uses_op.
9401 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9404 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9406 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9407 Ulrich Weigand <uweigand@de.ibm.com>
9410 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9411 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9412 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9413 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9415 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9416 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9417 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9418 Define secondary reloads for TFmode moves.
9419 (constant_modes): Add TFmode.
9420 (NR_C_MODES): Set to 8.
9421 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9423 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9424 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9425 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9426 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9427 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9428 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9429 (FPR mode macro): Add TFmode.
9430 (DSF mode macro): New.
9431 (<de>, <dee> mode attributes): Removed.
9432 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9433 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9434 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9435 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9436 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9437 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9438 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9439 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9440 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9441 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9442 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9443 "*negabs<mode>2", "sqrt<mode>2"):
9444 Changed <de> to <xde>. R constraint replaced by <Rf>.
9445 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9447 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9448 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9449 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9451 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9452 "extenddftf2", "extendsftf2"): New expanders.
9453 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9454 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9455 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9456 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9458 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9459 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9460 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9461 __floatditf): Add a GCC_4.1.0 symbol version tag.
9462 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9465 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9468 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9469 Use targetm.binds_local_p instead of TREE_PUBLIC.
9471 2006-02-02 Roger Sayle <roger@eyesopen.com>
9473 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9474 on INTEGER_TYPEs to indicate that it denotes a character type.
9475 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9476 signed_char_type_node, unsigned_char_type_node and char_type_node.
9477 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9478 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9479 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9481 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9482 Daniel Berlin <dberlin@dberlin.org>
9484 * tree-tailcall.c (arg_needs_copy_p): New function.
9485 (eliminate_tail_call): Use arg_needs_copy_p.
9486 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9487 (add_virtual_phis): New function.
9489 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9491 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9492 #ignore instead of #scratch for %g7 .register directive.
9494 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9496 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9499 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9501 * flow.c (calculate_global_regs_live): Assert that there aren't any
9504 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9506 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9508 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9509 bsi_after_labels iterator.
9510 * tree-if-conv.c (find_phi_replacement_condition,
9511 replace_phi_with_cond_modify_expr): Likewise.
9512 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9513 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9515 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9517 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9519 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9522 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9523 array after growing it.
9525 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9528 * fold-const.c (fold_checksum_tree): Change type of buf.
9530 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9532 * reload.c (push_secondary_reload): Initialize t_icode.
9534 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9536 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9537 -msoft-float -mlong-double-128 only issue a warning, but don't
9538 swich to DFmode long double.
9540 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9542 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9543 has a constant equivalent, iterate over equivalents for arg0,
9544 calling simplify_relational_operation and if there's a result
9545 cheaper than X, apply fold_rtx and return the result.
9547 2006-02-01 Jan Hubicka <jh@suse.cz>
9549 * opts.c (no_unit_at_a_time_default): New global variable.
9550 (decode_options): Use it.
9551 * opts.h (no_unit_at_a_time_default): Declare.
9553 2006-02-01 Paul Brook <paul@codesourcery.com>
9555 * function.c (assign_parm_setup_reg): Use function argument promotion
9557 * expr.c (expand_expr_real_1): Use function argument promotion rules
9560 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9562 * gcc.c (process_command): Change j to 'unsigned int'.
9564 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9567 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9568 Use the corrected index for the character
9569 out of the string constant.
9571 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9573 * mode-switching.c (optimize_mode_switching): Fix size
9574 allocated for bb_info[n_entities].
9576 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9578 * gcc.c (main): Correct type that is allocated for
9579 explicit_link_files.
9581 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9583 * config/s390/s390.c (init_alignment_context): Set
9584 ALIAS_SET_MEMORY_BARRIER on the MEM.
9585 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9587 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9590 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9592 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9595 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9597 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9598 * regrename.c: Ditto.
9599 * tree-ssa-loop-im.c: Ditto.
9600 * tree-dump.c: Ditto.
9601 * tree-complex.c: Ditto.
9602 * genrecog.c: Ditto.
9603 * tree-ssa-threadupdate.c: Ditto.
9605 * java/class.c: Ditto.
9606 * java/jcf-parse.c: Ditto.
9607 * java/resource.c: Ditto.
9608 * java/except.c: Ditto.
9609 * java/jvspec.c: Ditto.
9610 * java/jcf-write.c: Ditto.
9611 * java/jcf-path.c: Ditto.
9612 * java/gjavah.c: Ditto.
9613 * java/zextract.c: Ditto.
9614 * java/jcf-io.c: Ditto.
9615 * java/jcf.h: Ditto.
9616 * java/buffer.c: Ditto.
9617 * java/lang.c: Ditto.
9618 * java/parse-scan.y: Ditto.
9619 * java/lex.c: Ditto.
9620 * java/lex.h: Ditto.
9621 * cfgloopmanip.c: Ditto.
9622 * postreload-gcse.c: Ditto.
9623 * tree-ssa-loop-manip.c: Ditto.
9624 * postreload.c: Ditto.
9625 * tree-ssa-loop-ch.c: Ditto.
9629 * diagnostic.c: Ditto.
9631 * genoutput.c: Ditto.
9633 * cfghooks.c: Ditto.
9634 * cfgloopanal.c: Ditto.
9635 * objc/objc-act.c: Ditto.
9637 * genextract.c: Ditto.
9638 * genautomata.c: Ditto.
9639 * pretty-print.c: Ditto.
9641 * cgraphunit.c: Ditto.
9644 * haifa-sched.c: Ditto.
9645 * dominance.c: Ditto.
9647 * tree-ssa-loop-ivopts.c: Ditto.
9649 * mode-switching.c: Ditto.
9650 * modulo-sched.c: Ditto.
9652 * ipa-pure-const.c: Ditto.
9654 * fix-header.c: Ditto.
9656 * tree-stdarg.c: Ditto.
9657 * ipa-utils.c: Ditto.
9658 * loop-init.c: Ditto.
9659 * ipa-inline.c: Ditto.
9662 * alloc-pool.c: Ditto.
9663 * dwarf2out.c: Ditto.
9665 * genattrtab.c: Ditto.
9666 * tree-ssa-loop-ivcanon.c: Ditto.
9670 * fortran/gfortranspec.c: Ditto.
9672 * local-alloc.c: Ditto.
9673 * langhooks.c: Ditto.
9674 * function.c: Ditto.
9675 * tree-vectorizer.c: Ditto.
9677 * ipa-type-escape.c: Ditto.
9679 * tree-if-conv.c: Ditto.
9682 * tree-data-ref.c: Ditto.
9683 * loop-unroll.c: Ditto.
9684 * treelang/treetree.c: Ditto.
9687 * ggc-common.c: Ditto.
9689 * coverage.c: Ditto.
9691 * tree-cfgcleanup.c: Ditto.
9692 * tree-ssa-pre.c: Ditto.
9693 * cfgcleanup.c: Ditto.
9694 * loop-invariant.c: Ditto.
9696 * ipa-prop.c: Ditto.
9697 * print-tree.c: Ditto.
9698 * conflict.c: Ditto.
9699 * ggc-page.c: Ditto.
9700 * sched-deps.c: Ditto.
9701 * regclass.c: Ditto.
9702 * tree-object-size.c: Ditto.
9704 * bb-reorder.c: Ditto.
9705 * resource.c: Ditto.
9706 * var-tracking.c: Ditto.
9708 * df-problems.c: Ditto.
9709 * reg-stack.c: Ditto.
9712 * sched-rgn.c: Ditto.
9713 * tree-ssa-structalias.c: Ditto.
9714 * tree-ssa-reassoc.c: Ditto.
9715 * config/darwin-c.c: Ditto.
9716 * config/darwin.c: Ditto.
9717 * config/arm/arm.c: Ditto.
9719 * collect2.c: Ditto.
9722 2006-01-31 Nicolas Pitre <nico@cam.org>
9724 * arm.md (smaxsi3): Make aware of smax_m1.
9727 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9729 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9731 2006-01-31 Richard Guenther <rguenther@suse.de>
9733 * doc/invoke.texi (-msselibm): Document.
9734 * target.h (expand_library_builtin): New target hook.
9735 * builtins.c (expand_builtin): Use expand_library_builtin.
9736 (default_expand_library_builtin): New function.
9737 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9738 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9739 (link_gcc_math_spec): Declare.
9740 (static_specs): Add link_gcc_math_spec.
9741 * expr.h (default_expand_library_builtin): Declare.
9742 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9743 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9744 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9745 * config/i386/i386.opt (msselibm): New target option.
9746 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9747 (ix86_init_sse_abi_builtins): New function.
9748 (ix86_expand_library_builtin): Likewise.
9749 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9750 (override_options): Handle error conditions wrt -msselibm.
9751 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9752 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9753 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9756 2006-01-31 Richard Guenther <rguenther@suse.de>
9757 Paolo Bonzini <bonzini@gnu.org>
9759 * doc/install.texi (--disable-libgcc-math): Document.
9761 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9763 * expr.h (expand_normal): new inline function.
9764 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9766 * dwarf2out.c: use it.
9771 * config/sparc/sparc.c: use it.
9772 * config/i386/i386.c: use it.
9773 * config/rs6000/rs6000.c: use it.
9774 * config/arm/arm.c: use it.
9775 * config/mips/mips.c: use it.
9776 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9778 2006-01-30 Roger Sayle <roger@eyesopen.com>
9780 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9781 argv to the appropriate type.
9783 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9785 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9788 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9791 * config/s390/s390.c (struct machine_function): New flag
9792 decomposed_literal_pool_addresses_ok_p.
9793 (s390_reorg): Set it before final stage of literal pool transforms.
9794 (s390_decompose_address): Only accept displacements of the form
9795 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9797 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9799 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9800 the comparison routine return.
9802 2006-01-30 Michael Matz <matz@suse.de>
9804 * global.c (find_reg): Only evict for global regs.
9805 Take n_refs into account and dump more info.
9807 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9810 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9811 (pragma_trap, pragma_nosave_low_regs): Likewise.
9812 (current_function_anonymous_args): Likewise.
9813 (sh_deferred_function_attributes): New variable.
9814 (sh_deferred_function_attributes_tail): Likewise.
9815 (print_operand): For '@', look up trap_exit attribute.
9816 (calc_live_regs): Look up trapa_handler attribute. For trapa
9817 handlers, save/restore fpscr, but don't do any other
9818 interrupt-specific saves.
9819 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9820 Fix check for partially saved registers to check for SHmedia.
9821 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9822 (sh_output_function_epilogue): Don't clear any of the removed
9824 (sh_insert_attributes): Don't check pragma_interrupt.
9825 Insert deferred attributes. Check that interrupt attribute is
9826 present for other attributes that require its presence.
9827 (sh_attribute_table): Add new attributes trapa_handler and
9829 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9830 Don't check for pragma_interrupt. Don't store argument.
9831 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9832 (sh_deferred_function_attributes): Declare.
9833 (sh_deferred_function_attributes_tail): Likewise.
9834 * sh.md (sp_switch_1): Add operand. Change generator caller.
9835 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9836 (*return_i): Don't use when trap_exit attribute is in effect.
9837 (*return_trapa): New insn pattern.
9839 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9840 setting c_target_objs and cxx_target_objs.
9841 * t-sh: Add rule for sh-c.o.
9843 2006-01-30 Richard Guenther <rguenther@suse.de>
9846 * gimplify.c (gimplify_target_expr): Handle easy cases
9847 without creating a temporary.
9849 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9851 * vec.h (safe_grow): Remove duplicated line.
9853 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9856 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9857 (expand_omp): ... here.
9858 (expand_omp_parallel): Only remove barriers for combined
9859 parallel+workshare constructs.
9861 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9865 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9866 * tree.c (build_qualified_type): Chain the new type to the original
9867 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9868 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9869 (build_pointer_type_for_mode): Only return unqualified types.
9870 (build_reference_type_for_mode): Likewise.
9872 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9874 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9875 * Makefile.in (CXX_COMPAT_WARN): Define.
9876 * configure: Regenerate.
9878 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9881 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9884 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9886 * toplev.c: Fix thinko.
9888 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9889 Marcin Dalecki <martin@dalecki.de>
9891 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9892 (push_srcloc): Use XNEW.
9893 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9895 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9897 * df-core.c (df_set_blocks): Deleted all variable.
9899 2006-01-28 Ian Lance Taylor <ian@airs.com>
9901 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9902 cgraph_output_pending_asms.
9904 2006-01-28 Zack Weinberg <zackw@panix.com>
9906 * c.opt: Add -W(no-)overlength-strings.
9907 * doc/invoke.texi: Document it.
9908 * c-opts.c (c_common_handle_option): -pedantic implies
9909 -Woverlength-strings, if not explicitly disabled already.
9910 (c_common_post_options): -Woverlength-strings defaults to off, and
9911 is always off for C++.
9912 * c-common.c (fix_string_type): Issue warning about strings longer
9913 than is portable only if warn_overlength_strings. Rearrange code
9914 a little for clarity.
9915 * configure.in: Check for -Wno-overlength-strings as well before
9916 enabling -pedantic in stage 1.
9917 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9918 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9920 * genconditions.c (write_header, write_one_condition)
9921 (write_conditions, write_writer): Consolidate very long strings
9922 that were broken up to fit in C89 portable limit. Don't use
9923 printf when fputs will do.
9925 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9927 * combine.c (simplify_comparison <AND>): Check
9928 TRULY_NOOP_TRUNCATION before start using a subreg.
9930 * config/mips/mips.md (*branch_zero<mode>,
9931 *branch_zero<mode>_inverted, *branch_equality<mode>,
9932 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9933 Remove mode check from comparisons.
9935 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9937 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9939 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9941 * expmed.c (const_mult_add_overflow_p): Remove.
9942 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9944 * recog.c (validate_replace_rtx_subexp): Remove.
9945 * recog.h: Remove the prototype for
9946 validate_replace_rtx_subexp.
9948 * integrate.h: Remove the prototype for
9949 copy_decl_for_inlining.
9950 * rtl.h: Remove the prototype for mark_constant_function.
9951 * tree-vectorizer.h: Remove the prototype for
9952 vect_strip_conversion.
9954 * modulo-sched.c (create_partial_schedule,
9955 free_partial_schedule, reset_partial_schedule): Make them
9958 * hooks.c (hook_bool_rtx_int_false): Remove.
9959 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9961 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9963 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9964 and -mlong-double-128 are incompatible.
9965 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9966 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9967 (TARGET_LIBGCC2_CFLAGS): Define.
9968 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9969 (TARGET_LIBGCC2_CFLAGS): Same.
9970 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9972 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9975 * c-typeck.c (build_binary_op): Perform implicit casts of
9976 operands before shortening them.
9978 * cfgloopmanip.c (split_loop_bb): Remove.
9979 * cfgloop.h: Remove the prototype for split_loop_bb.
9981 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9982 * cfgloop.h: Remove the prototype for
9983 flow_loop_outside_edge_p.
9985 * emit-rtl.c (init_virtual_regs): Make it static.
9986 * function.h: Remove the prototype for init_virtual_regs.
9988 * recog.c (peephole2_optimize): Make it static.
9989 * recog.h: Remove the prototype for peephole2_optimize.
9991 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9993 * df-scan.c (df_record_entry_block_defs): Check if
9994 INCOMING_RETURN_ADDR_RTX is defined.
9996 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9997 Kenneth Zadeck <zadeck@naturalbridge.com>
9999 PR rtl-optimization/24762
10000 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10001 * targhooks.c (hook_void_bitmap): New hook prototype.
10002 * targhoohs.h (hook_void_bitmap): Ditto.
10003 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10004 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10005 * target.h (live_on_entry): New function pointer.
10006 * df-scan.c (df_all_hard_regs): Removed.
10007 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10008 (df_scan_free_internal): Added df->entry_block_defs.
10009 (df_scan_alloc): Ditto.
10010 (df_scan_dump): Ditto.
10011 (df_uses_record): Plumbed flag field properly thru calls.
10012 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10013 This part fixes PR24762.
10014 (df_bb_refs_record): Added code to make the frame and arg
10015 pointers live in EH blocks.
10016 (df_refs_record): Added call to df_record_entry_block_defs.
10017 (df_record_entry_block_defs): New function.
10018 * df-core.c: Added comments to describe new artifical defs.
10019 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10020 (entry_block_defs): New field in struct df.
10021 (df_all_hard_regs): Deleted.
10022 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10023 * df-problems.c (df_ru_bb_local_compute_process_def):
10024 Added code to handle artifical defs in the entry to a function.
10025 (df_ru_bb_local_compute): Ditto.
10026 (df_rd_bb_local_compute_process_def): Ditto.
10027 (df_rd_bb_local_compute): Ditto.
10028 (df_lr_bb_local_compute): Ditto.
10029 (df_ur_bb_local_compute): Ditto.
10030 (df_urec_bb_local_compute): Ditto.
10031 (df_chain_create_bb): Ditto.
10032 (df_ur_local_finalize): Removed entry.
10033 (df_urec_init): Ditto.
10034 (df_urec_local_finalize): Ditto.
10035 (df_ri_bb_compute): Added detection of last use of pseudos.
10036 * Makefile.in (df-scan.o): Updated dependencies.
10037 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10038 * config/mips/mips.c (mips_set_live_on_entry): Added.
10039 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10041 * dce.c (marked_insn_p): Added code to handle artifical defs.
10043 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10045 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10047 (_mm_cvtsi128_si64): Likewise.
10048 (_mm_cvtsd_si64): Likewise.
10049 (_mm_cvttsd_si64): Likewise.
10050 (_mm_cvtsi64_sd): Likewise.
10051 (_mm_cvtsi64_si128): Likewise.
10052 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10053 (_mm_cvtsi64_m64): Likewise.
10054 (_m_to_int64): Likewise.
10055 (_mm_cvtm64_si64): Likewise.
10056 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10057 (_mm_cvttss_si64): Likewise.
10058 (_mm_cvtsi64_ss): Likewise.
10059 (_mm_cvtss_f32): Likewise.
10061 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10063 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10064 for pragma redefine_extname.
10066 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10069 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10070 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10071 -mno-minimal-toc to previous content.
10072 (bispecs): Remove goal.
10073 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10074 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10075 compatibility aliases on powerpc-*-*gnu*.
10076 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10077 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10078 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10079 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10080 (ldblspecs): New goal.
10081 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10082 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10084 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10085 L_sf_to_tf or L_df_to_tf is defined.
10087 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10088 Alan Modra <amodra@bigpond.net.au>
10091 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10092 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10093 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10094 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10095 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10096 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10097 (rs6000_override_options): Initialize rs6000_ieeequad.
10098 Initialize TFmode format to ibm_extended_format if not
10100 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10102 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10103 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10104 (function_arg_advance): IBM long double passed in two FPRs, not
10106 (function_arg): IBM long double passed in FPRs.
10107 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10108 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10109 Only multireg GPR aligned.
10110 (rs6000_init_libfuncs): Enable IBM long double functions if not
10112 (rs6000_generate_compare): Use IBM long double compare if not
10114 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10115 (TARGET_IEEEQUAD): Define.
10116 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10117 not TARGET_IEEEQUAD.
10118 * config/rs6000/rs6000.md: Enable TFmode patterns if
10120 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10121 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10122 and -mlong-double-128 are incompatible.
10123 * doc/invoke.texi (-mabi): Collect options together. Add
10124 ibmlongdouble and ieeelongdouble.
10126 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10128 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10130 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10131 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10132 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10133 * rtl.h (rtunion_def): Remove rt_ptr.
10135 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10136 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10137 * config/i386/winnt.c (i386_pe_mark_dllexport)
10138 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10140 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10142 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10144 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10148 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10149 pthread_key_delete. From John David Anglin. gthrw-ify
10150 pthread_getunique_np only if it it's not a macro. Delete
10152 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10153 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10154 __gthread_objc_condition_signal, __gthread_key_delete): Add
10155 "__attribute__ ((__unused__))" to unused arguments.
10156 (__gthread_recursive_mutex_init_function): Add missing return.
10157 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10158 gthr-posix95.h: Use macro-based approach for name redirection
10159 on targets missing weakref.
10161 2006-01-26 Zack Weinberg <zackw@panix.com>
10163 * genconditions.c (write_header): In generated code, #ifdef out
10164 all includes and fake declarations, except includes of bconfig.h
10165 and system.h, unless GCC_VERSION >= 3001. Do not include
10166 gensupport.h in any case.
10167 (write_conditions): Generate a definition of struct c_test. Add
10168 a comment to the generated #endif.
10169 (write_one_condition): Escape backslashes in string too.
10170 (write_writer): Generated code must escape backslashes and quote
10171 marks (but not newlines) in the strings it writes.
10172 * Makefile.in (build/gencondmd.o): Update dependencies.
10174 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10177 * Makefile.in (insn-automata.o): Add header file dependencies.
10178 * genautomata.c: Add includes.
10180 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10183 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10185 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10187 * configure.ac: Expect target tools paths to be passed from the toplevel
10188 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10190 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10192 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10195 * c.opt (Wpointer-sign): Init to -1.
10196 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10197 OPT_pedantic, to 0 otherwise.
10198 * doc/invoke.texi: Update.
10200 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10202 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10203 constants provided by 80387 instructions in the destination mode.
10205 2006-01-26 Richard Guenther <rguenther@suse.de>
10206 Andrew Pinski <pinskia@physics.uc.edu>
10209 partial PR tree-opt/17064
10210 * tree-ssa-structalias.c (intra_create_variable_infos):
10211 Create heap variables for incoming parameters if
10212 flag_argument_noalias > 1.
10213 (find_what_p_points_to): Look through default defs of
10216 2006-01-26 Jeff Law <law@redhat.com>
10219 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10220 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10221 within the VR_RANGE, use the VR_RANGE as the result, not the
10223 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10224 bounds for the type.
10226 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10228 * tree-ssa-alias.c (maybe_create_global_var): Change
10229 subvar walking to an assertion that we don't have subvar'd variables.
10231 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10234 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10235 Use a new variable, inner. PARM_DECLs are always non-weak.
10237 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10239 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10240 --disable-checking.
10242 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10244 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10246 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10248 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10249 (smax_insn, smin_insn, smax_0, smin_0): New.
10251 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10254 * config/cris/cris.c (cris_order_for_addsi3): New function.
10255 * config/cris/cris-protos.h: Prototype it.
10256 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10257 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10258 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10259 (split for "op.S1 [rx=rx+i],ry (swapped)")
10260 (split for "op(s|u).S1 [rx=rx+i],ry")
10261 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10262 Apply cris_order_for_addsi3 when generating addsi3 insns.
10264 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10266 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10267 (TREE_BLOCK): Add call to EXPR_CHECK.
10269 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10272 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10273 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10274 (dump_omp_clauses): ... here.
10275 (dump_generic_node): Handle OMP_CLAUSE.
10276 * tree.c (omp_clause_num_ops): New.
10277 (omp_clause_code_name): New.
10278 (tree_code_size): Handle OMP_CLAUSE.
10279 (tree_size): Likewise.
10280 (make_node): Document handling of OMP_CLAUSE.
10281 (tree_node_structure): Handle OMP_CLAUSE.
10282 (omp_clause_check_failed): New.
10283 (omp_clause_range_check_failed): New.
10284 (omp_clause_operand_check_failed): New.
10285 (build_omp_clause): New.
10286 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10287 * tree.h (enum omp_clause_code): Declare.
10288 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10289 (OMP_CLAUSE_RANGE_CHECK): Define.
10290 (OMP_CLAUSE_ELT_CHECK): Define.
10291 (omp_clause_check_failed): Declare.
10292 (omp_clause_operand_check_failed): Declare.
10293 (omp_clause_range_check_failed): Declare.
10294 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10295 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10296 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10297 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10298 (OMP_CLAUSE_IF_EXPR): Likewise.
10299 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10300 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10301 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10302 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10303 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10304 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10305 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10306 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10307 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10308 (OMP_CLAUSE_CODE): Define.
10309 (OMP_CLAUSE_SET_CODE): Define.
10310 (OMP_CLAUSE_CODE): Define.
10311 (OMP_CLAUSE_OPERAND): Define.
10312 (struct tree_omp_clause): Declare.
10313 (union tree_node): Add field 'omp_clause'.
10314 * treestruct.def (TS_OMP_CLAUSE): Define.
10315 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10316 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10317 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10318 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10319 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10320 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10321 (OMP_CLAUSE): Define.
10322 * print-tree.c (print_node): Handle OMP_CLAUSE.
10323 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10324 * c-typeck.c: Likewise.
10325 * gimplify.c: Likewise.
10326 * c-omp.c: Likewise.
10327 * tree-nested.c: Likewise.
10328 * tree-inline.c: Likewise.
10329 * c-parser.c: Likewise.
10330 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10333 2006-01-25 Roger Sayle <roger@eyesopen.com>
10335 PR rtl-optimization/25703
10336 * combine.c (try_combine): Handle zero_extract and strict_low_part
10337 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10339 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10341 * global.c: Fix comment typos.
10343 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10346 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10347 Use output_addr_const instead of assemble_name.
10349 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10351 * Makefile.in (sched-vis.o): Update dependencies.
10352 * haifa-sched.c (sched_finish): Clear current_sched_info.
10353 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10354 (dump_flow_info): Call it.
10355 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10357 * basic-block.h (dump_bb_info): Declare.
10358 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10359 option, and apply options only for dump files whose TDF_RTL,
10360 TDF_TREE, or TDF_IPA bits match.
10361 * rtl.h: Declare new functions exported from sched-vis.c.
10362 * sched-vis.c: Enable also if scheduling is not used.
10363 (print_value): Print the mode of registers if not inside scheduling.
10364 (print_insn): Make it work outside the scheduler. Beautify the output
10366 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10368 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10370 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10371 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10372 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10373 depending on the value of CONSTANT_POOL_ADDRESS_P.
10374 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10376 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10377 rather than SYMBOL_REF_DECL.
10378 (rtx_constant_pool): Remove const_rtx_sym_htab.
10379 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10380 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10381 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10382 Remove handling of const_rtx_sym_htab.
10383 (find_pool_constant): Delete.
10384 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10385 rather than find_pool_constant.
10386 (get_pool_constant_for_function): Delete.
10387 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10388 find_pool_constant.
10389 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10390 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10391 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10392 (SYMBOL_REF_CONSTANT): New macro.
10393 (get_pool_constant_for_function): Delete.
10394 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10395 rather than SYMBOL_REF_DECL.
10396 (i386_pe_mark_dllimport): Likewise.
10397 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10398 rather than SYMBOL_REF_DECL.
10399 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10400 (machopic_indirect_call_target): Likewise.
10402 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10404 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10406 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10408 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10410 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10412 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10414 2006-01-24 David Daney <ddaney@avtrex.com>
10417 * configure.ac (enable_tls): New enable option.
10418 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10419 * configure: Regenerate.
10420 * doc/install.texi (--enable-tls): Document new option.
10421 (--disable-tls): Ditto.
10423 2006-01-24 Richard Henderson <rth@redehat.com>
10425 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10426 * alias.c (true_dependence): Respect it.
10427 (canon_true_dependence, write_dependence_p): Likewise.
10428 * builtins.c (get_builtin_sync_mem): Set it.
10430 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10432 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10435 2006-01-24 DJ Delorie <dj@redhat.com>
10437 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10438 for storing constants in single-bit bitfields.
10440 2006-01-25 Ben Elliston <bje@au.ibm.com>
10442 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10444 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10447 * tree-ssa-pre.c (phi_translate): Return NULL
10448 for AGGREGATE_TYPE's.
10450 2006-01-24 Zack Weinberg <zackw@panix.com>
10452 * genautomata.c (process_state_for_insn_equiv_partition):
10453 Use xcalloc for insn_arcs_array.
10454 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10455 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10457 2006-01-24 Richard Henderson <rth@redhat.com>
10459 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10460 update all callers.
10462 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10464 PR rtl-optimization/25890
10465 PR rtl-optimization/25905
10466 * combine.c (expand_compound_operation, expand_field_assignment):
10467 Fail if the bitfield's final position is out of bounds.
10469 2006-01-24 Ian Lance Taylor <ian@airs.com>
10471 PR middle-end/25930
10472 * cgraphunit.c (cgraph_output_in_order): Don't clear
10473 cgraph_asm_nodes until after asm strings have been output.
10475 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10477 * fix-header.c (read_scan_file): Add new parameter imultilib when
10478 calling register_include_chains.
10480 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10482 * omp-low.c: Update documentation.
10484 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10485 Daniel Berlin <dberlin@dberlin.org>
10489 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10490 return from the function.
10492 2006-01-22 Zack Weinberg <zackw@panix.com>
10494 * rtl.def (match_code): Add second argument.
10495 * genpreds.c (write_extract_subexp): New function.
10496 (write_match_code): Add path argument. Use write_extract_subexp.
10497 (write_predicate_expr): Pass path to write_match_code.
10498 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10499 not perform a mode test.
10500 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10501 a subexpression does not constrain the top-level code set.
10502 * read-rtl.c (read_rtx_variadic): New function.
10503 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10504 * doc/md.texi: Document new notation.
10505 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10506 (cmpsi_operand): ... here, using new notation.
10508 2006-01-22 Zack Weinberg <zackw@panix.com>
10510 * varray.c: Remove GENERATOR_FILE #ifdefs.
10512 2006-01-22 Zack Weinberg <zackw@panix.com>
10514 * genautomata.c (output_reserved_units_table): Emit nothing if
10515 description->query_units_num is zero. Remove extra blank line.
10516 (output_cpu_unit_reservation_p): Short circuit
10517 if description->query_units_num is zero.
10519 2006-01-22 Zack Weinberg <zackw@panix.com>
10521 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10522 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10523 nor any of the random handful of variables that used to be necessary
10524 when this program was linked with rtlanal.o. Prune set of forward
10525 function declarations.
10526 (struct attr_desc): Remove static_p field.
10527 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10528 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10529 (attr_string): Do not read the character one past the length of
10531 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10532 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10533 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10534 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10535 (make_automaton_attrs): New.
10536 (main): Do not call into genautomata. Call local gen_bypass
10537 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10538 Remove special case for insn_alts.
10539 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10540 varray.h (leftover from previous change). Prune set of forward
10541 function declarations. Remove state_alts fields from all
10542 structures. Remove state_alts_table from struct automaton.
10543 Make everything except main static. Do not maintain num_dfa_decls.
10544 Do not maintain state_alts fields of various structures.
10545 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10546 (add_arc): Remove state_alts argument. All callers updated.
10547 (output_reserved_units_table): Emit #ifdef here...
10548 (output_tables): ...not here. Don't generate state_alts tables.
10549 (expand_automata): Don't generate attributes.
10550 (write_automata): Don't generate state_alts functions.
10551 (main): New function.
10552 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10553 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10554 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10555 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10556 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10557 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10558 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10559 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10561 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10562 * genattrtab.h: Delete file.
10563 * Makefile.in (OBJS-common): Add insn-automata.o.
10564 (insn-automata.o): New rule.
10565 (simple_generated_c): Add insn-automata.c.
10566 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10567 (genprogmd): Add automata.
10568 (build/genattrtab): Needs no extra objects nor libraries.
10569 (build/genautomata): Needs build/vec.o and -lm.
10571 2006-01-22 Zack Weinberg <zackw@panix.com>
10573 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10574 (output_dfa_max_issue_rate, locked_states_num): Delete.
10575 (struct automaton): Add locked_states field.
10576 (output_dead_lock_vect): Save number of locked states in
10577 automaton->locked_states. If it is zero, don't print anything.
10578 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10579 (output_internal_dead_lock_func): Only test the dead_lock_vect
10580 for automata that have locked states.
10581 (output_statistics): Always print the number of locked states for
10582 each automaton. Calculate total number of locked states here.
10583 (write_automata): Don't call output_dfa_max_issue_rate.
10584 * genattrtab.c: Define length_unit_log as a const variable.
10585 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10586 max_insn_queue_index const.
10587 * final.c (length_unit_log): Declare const.
10588 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10590 2006-01-22 Zack Weinberg <zackw@panix.com>
10592 * genautomata.c: Include vec.h, not varray.h.
10593 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10594 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10595 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10596 VEC_* macros operating on appropriately typed vectors, or to
10597 malloced arrays when the size is known in advance. Const-ify
10598 many char* variables and function arguments. No functional changes.
10599 * Makefile.in (build/varray.o): Delete rule.
10600 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10601 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10603 2006-01-22 Zack Weinberg <zackw@panix.com>
10605 * gensupport.c: Define get_insn_name and record_insn_name here.
10606 (read_md_rtx): Call record_insn_name as appropriate.
10607 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10608 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10609 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10611 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10612 (BUILD_VARRAY): Delete.
10613 (genprognormal): Rename genprogmd. Fold in all programs from
10614 genprognoprint; also attrtab.
10615 (build/genattrtab): Just mention genautomata.o and varray.o.
10616 Reorganize a bit, add comments to make the categories clearer.
10618 2006-01-22 Zack Weinberg <zackw@panix.com>
10620 * genconditions.c (condition_table, add_condition): Delete.
10621 (write_conditions): Don't emit n_insn_conditions nor
10622 insn_elision_unavailable. Issue the gcc version #ifdef here,
10623 inside the table, with no #else clause ...
10624 (write_header): ...not here.
10625 (write_writer): New function.
10626 (main): Don't initialize condition_table. Use add_c_test.
10628 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10629 files on the command line.
10630 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10631 Return -1 if there is no entry in the table, don't abort.
10632 (add_c_test, traverse_c_tests): New functions.
10633 * gensupport.h (insn_elision_unavailable, insn_conditions)
10634 (n_insn_conditions): Delete declarations.
10635 (add_c_test, traverse_c_tests): Declare.
10636 * read-rtl.c: Include gensupport.h.
10637 (read_conditions): New function.
10638 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10639 (read_rtx_1): If we get EOF when we were looking for an initial
10640 open paren, return 0. Call read_conditions when appropriate.
10641 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10642 dummy-conditions.o. Eliminate references to insn-conditions.o,
10643 or change them to build/gencondmd.o, as appropriate. Remove
10644 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10645 from $(simple_generated_c). For all files remaining in those
10646 two lists, add insn-conditions.md to the generator command line.
10647 Give insn-constants.h/s-constants their own rules. Add rules
10648 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10649 (build/read-rtl.o): Depend on gensupport.h.
10650 (genprognormal): Include preds.
10651 (genprogearly): Rename genprognoprint; only difference is now that
10652 they don't link with $(BUILD_PRINT).
10653 * dummy-conditions.c: Delete.
10655 2006-01-22 Zack Weinberg <zackw@panix.com>
10657 * genextract.c: Don't include insn-config.h. Do include vec.h.
10658 Declare vectors of int, char, and locstr.
10659 (locstr): New typedef.
10660 (struct extraction): Make all array fields into bare pointers.
10661 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10662 (insn_code_number): Delete.
10663 (accum_extract): New struct.
10664 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10665 (gen_insn): Take insn_code_number as an argument. Use an
10666 accum_extract structure instead of loading data directly into
10667 a struct extraction, and having to know how big it might get.
10668 (walk_rtx): Operate entirely on an accum_extract structure.
10669 (print_path): Avoid unnecessary use of printf.
10670 (print_header): New function, split out of main. Distinguish
10671 more carefully between an unrecognizable insn and an insn that
10672 has the code number of a define_expand.
10673 (main): Pass insn_code_number to gen_insn. Call print_header
10674 only after parsing. Avoid unnecessary use of printf.
10675 * Makefile.in (build/vec.o): New rule.
10676 (build/genextract): Depend on build/vec.o.
10677 (build/genextract.o): Don't depend on insn-config.h.
10679 2006-01-22 Zack Weinberg <zackw@panix.com>
10681 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10682 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10683 practical. Eliminate per-generator-program link rules.
10685 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10687 PR middle-end/24437
10688 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10689 with a call expr to ...
10690 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10692 2006-01-23 Richard Guenther <rguenther@suse.de>
10694 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10695 before make_edge with conditional EDGE_TRUE_VALUE.
10697 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10698 Jan Hubicka <jh@suse.cz>
10699 Richard Guenther <rguenther@suse.de>
10701 PR rtl-optimization/25654
10702 * cfgexpand.c (aggregate_contains_union_type): New function.
10703 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10704 for structure variables that contain a union type.
10706 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10708 * gengtype.c (new_structure): Return the structure.
10709 (create_option): Add an extra "next" argument.
10710 (create_field): New function.
10711 (adjust_field_rtx_def): Use create_option and create_field.
10712 Remove a now-unnecessary call to find_structure.
10713 (adjust_field_tree_def): Likewise.
10714 (note_yacc_type): Remove an unnecessary call to find_structure.
10715 * gengtype.h (new_structure): Return the structure.
10716 (create_option): Add an extra argument.
10717 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10718 (option): Adjust calls to create_option.
10720 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10722 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10724 2006-01-22 Paul Brook <paul@codesourcery.com>
10725 Peter Barada <peter@the-baradas.com>
10727 * config/m68k/m68k.md: Add Coldfire FPU support.
10728 Define FP mode macro and associated attributes.
10729 Use it for float mode patterns.
10730 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10731 (LIBCALL_VALUE): Use m68k_libcall_value.
10732 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10733 (m68k_function_value): Ditto.
10734 (emit_move_sequence): Ditto.
10735 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10736 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10737 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10738 (MULTILIB_EXCEPTIONS): Ditto.
10739 * config/m68k/m68k.opt: Add mcfv4e.
10740 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10741 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10742 (m68k_output_function_prologue): Save ColdFire FPU registers.
10743 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10744 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10745 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10746 ColdFire FPU registers.
10747 (m68k_libcall_value, m68k_function_value): New functions.
10748 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10749 (LIBCALL_VALUE): Use m68k_libcall_value.
10750 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10751 (MASK_COLDFIRE): Add MASK_CFV4E.
10752 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10753 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10754 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10755 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10756 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10757 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10758 * doc/invoke.tex: Document -mcfv4e on m68k.
10760 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10762 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10765 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10768 * c-opts.c (c_common_handle_option): Don't include
10769 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10770 * doc/invoke.texi (C++ Dialect Options): Document that
10771 -Wnon-virtual-dtor is no longer included in -Wall.
10773 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10775 * gcov.c (print_version), gcov-dump.c (print_version),
10776 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10779 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10781 * df-scan.c (problem_SCAN): Added NULL reset function.
10782 (df_scan_reset_blocks): Added code to call reset block function
10783 (df_bb_refs_delete) Fixed comment.
10784 (df_insn_refs_delete): Made tolerant of deleting non existent info
10785 for dataflow problems that need to be reset.
10786 * df-core.c (df_set_blocks): Ditto.
10787 * df.h (struct df_problem): Added reset_fun.
10788 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10789 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10790 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10791 functions to clear out all references to def-use or use-def chains.
10793 2006-01-21 Ben Elliston <bje@au.ibm.com>
10795 * varasm.c (assemble_real): Initialise data array.
10797 2006-01-20 Paul Brook <paul@codesourcery.com>
10799 Merge from csl-arm-branch.
10800 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10801 * config/arm/arm.md (movdi): Force operands[1] to a register
10802 if we have a non-register source.
10803 (*arm_movdi, *movdf_soft_insn): Require that one of the
10804 operands be a register.
10805 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10806 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10808 2006-01-20 DJ Delorie <dj@redhat.com>
10810 * varasm.c (initializer_constant_valid_p): Allow pointers
10811 initialized from integer constants of lesser precision.
10812 (output_constant): Allow non-int-sized pointer modes to be
10813 initialized from integer constants.
10815 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10818 * cppdefault.h (struct default_include): Add multilib flag.
10819 * cppdefault.c (cpp_include_defaults): Set it.
10820 * c.opt (-imultilib): New option.
10821 * c-opts.c (imultilib): New.
10822 (c_common_handle_option): Handle -imultilib.
10823 (c_common_post_options): Likewise.
10824 * c-incpath.c (add_standard_paths, register_include_chains):
10826 * c-incpath.h (register_include_chains): Add extra parameter.
10827 * gcc.c (do_spec_1): Generate -imultilib option.
10828 (The Specs Language): Update %I description.
10829 (process_command): Update copyright notice.
10830 * doc/cppopts.texi (-imultilib): Document.
10831 * doc/invoke.texi (-imultilib): Include in option summary.
10832 (%I): Update specs documentation.
10834 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10836 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10838 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10840 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10843 2006-01-20 Richard Guenther <rguenther@suse.de>
10844 Steven Bosscher <stevenb.gcc@gmail.com>
10846 PR rtl-optimization/24626
10847 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10848 EDGE_TRUE_VALUE if in RTL mode.
10851 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10852 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10854 2006-01-20 Dirk Mueller <dmueller@suse.com>
10857 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10858 instead of a special NOP marker.
10859 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10860 NOP marker handling.
10861 * c-common.h (empty_body_warning): Add forward declaration.
10862 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10863 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10865 2006-01-20 Paul Brook <paul@codesourcery.com>
10867 * Makefile.in (lang_checks): Keep going if mkdir fails.
10869 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10871 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10872 be able to clean out basic block when not necessary.
10873 (df_scan_free): Fixed to properly delete information if df is
10874 unused before calling df_finish.
10875 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10876 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10878 (df_bb_refs_delete): New function.
10879 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10880 * df-core.c (df_set_blocks): Added code to properly clean out
10881 unused blocks if they are not part of the blocks to consider.
10882 Added additional null check.
10883 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10884 be able to clean out basic block when not necessary
10885 * df.h (df_free_bb_function): Ditto.
10886 (df_bb_refs_delete): New function.
10887 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10888 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10889 basic block parameter to be able to clean out basic block when not
10891 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10892 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10893 Fixed to properly delete information if df is unused before
10896 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10898 PR rtl-optimization/25799
10899 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10900 Corrected confluence operator to remove bits from op2 before oring
10901 with op1 rather than removing bits from op1.
10902 (df_ru_transfer_function): Corrected test on wrong bitmap which
10903 caused infinite loop. Both of these problems were introduced in
10904 the dataflow rewrite.
10906 2006-01-19 DJ Delorie <dj@redhat.com>
10908 * reload1.c (find_reload_regs): Note the details of reload
10909 failures in the dump file.
10910 (spill_failure): Likewise.
10912 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10914 * loop-iv.c: Include df.h and hashtab.h.
10915 (enum iv_grd_result): New enum.
10916 (DF_REF_IV, DF_REF_IV_SET): New macros.
10917 (struct biv_entry): New.
10918 (df, bivs): New global variables.
10919 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10920 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10922 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10923 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10924 analyzed_for_bivness_p, record_biv): New functions.
10925 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10926 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10927 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10929 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10931 (iv_number_of_iterations): Use new interface to iv analysis.
10932 * loop-unroll.c: Do not include varray.h.
10933 (analyze_iv_to_split_insn): Use new interface to iv
10935 * loop-unswitch.c (may_unswitch_on): Ditto.
10936 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10938 (df_bb_modify): Realloc tables to the new index.
10939 (df_find_use): New function.
10940 * df.h (df_find_use): Declare.
10941 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10943 * cfgloop.h (struct rtx_iv): Remove analysed field.
10944 (iv_get_reaching_def): Removed.
10945 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10946 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10947 (loop-iv.o): Add df.h and hashtab.h dependency.
10948 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10950 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10953 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10955 (__floatundisf, __floatundidf): Likewise.
10956 * libgcc2.h (IS_IBM_EXTENDED): Define.
10958 2006-01-19 DJ Delorie <dj@redhat.com>
10960 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10962 2006-01-19 Paul Brook <paul@codesourcery.com>
10964 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10965 as nothrow when unwinding tables are disabled.
10967 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10970 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10971 of bit-field" when in system header.
10973 2006-01-19 DJ Delorie <dj@redhat.com>
10975 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10976 the 16 bit shift limit of the m16c.
10978 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10981 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10982 * config/i386/i386.c (output_set_got): Output the label if we have one
10983 for the TARGET_DEEP_BRANCH_PREDICTION case.
10985 2006-01-19 Jan Hubicka <jh@suse.cz>
10986 H.J. Lu <hongjiu.lu@intel.com>
10987 Evandro Menezes <evandro.menezes@amd.com>
10989 * invoke.texi (generic): Document
10991 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10992 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10993 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10994 (x86_use_incdec, x86_pad_returns): New variables
10995 (TARGET_CPU_DEFAULT_generic): New constant
10996 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10997 (enum processor_type): Add generic32 and generic64.
10998 * i386.md (cpu attribute): Add generic32/generic64
10999 (movhi splitter): Behave sanely when both partial_reg_dependency and
11000 partial_reg_stall are set.
11001 (K8 splitters): Enable for generic as well.
11002 * predicates.md (incdec_operand): Use TARGET_INCDEC
11003 (aligned_operand): Avoid memory mismatch stalls.
11004 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11005 * ppro.md: Enable for generic32
11006 * i386.c (generic64_cost, generic32_cost): New.
11007 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11008 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11009 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11010 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11011 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11012 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11013 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11014 x86_accumulate_outgoing_args, x86_prologue_using_move,
11015 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11016 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11017 Enable for generic.
11018 (x86_use_incdec, x86_pad_returns): New.
11019 (override_options): Add generic32 and generic64, translate "generic"
11020 to generic32/generic64 and "i686" to "generic32", refuse
11021 "generic32"/"generic64" as arch target.
11022 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11023 (ix86_reorg): Honor PAD_RETURNS.
11025 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11027 * tree-pretty-print.c (dump_generic_node): Handle
11028 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11029 * cgraph.c (cgraph_expand_queue): Rename from
11030 cgraph_analyze_queue. Update all users.
11031 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11032 cgraph_expand_queue.
11033 (cgraph_expand_all_functions): Likewise.
11034 (cgraph_finalize_pending_functions): Remove. Update callers.
11036 * tree.h (OMP_DIRECTIVE_P): Define.
11037 (OMP_PARALLEL_FN): Define.
11038 (OMP_PARALLEL_DATA_ARG): Define.
11039 (OMP_SECTIONS_SECTIONS): Define.
11040 * tree-pass.h (pass_expand_omp): Declare.
11041 * omp-low.c (struct omp_region): Declare.
11042 (struct omp_context): Remove fields 'parallel_type',
11043 'parallel_start_ix' and 'parallel_start_additional_args'.
11045 (struct omp_for_data): Rename from struct expand_omp_for_data.
11046 (omp_regions): New static variable.
11047 (root_omp_region): New static variable.
11048 (find_omp_clause): Make static.
11049 (is_in_combined_parallel_ctx): Remove.
11050 (is_combined_parallel): New.
11051 (extract_omp_for_data): Move earlier in the file.
11052 (workshare_safe_to_combine_p): New.
11053 (get_ws_args_for): New.
11054 (determine_parallel_type): Move earlier in the file.
11055 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11057 (omp_copy_decl): Likewise.
11058 (create_omp_child_function): Likewise.
11059 (lookup_omp_region): New.
11060 (dump_omp_region): New.
11061 (debug_omp_region): New.
11062 (debug_all_omp_regions): New.
11063 (new_omp_region): New.
11064 (scan_omp_parallel): If parallel_nesting_level > 1, the
11065 directive is nested within another parallel directive.
11066 Set OMP_PARALLEL_FN.
11067 (scan_omp_for): Do not try to handle combined parallel+for
11069 Remove FIXME comment.
11070 (scan_omp_nested): Remove.
11071 (scan_omp_1): Do not call scan_omp_nested when
11072 parallel_nesting_level is > 1.
11073 Do not change the DECL_CONTEXT of local variables found.
11074 (lookup_decl_in_outer_ctx): New.
11075 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11076 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11077 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11078 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11079 If CTX is nested, lookup VAR in the outer context when
11080 building copy assignment.
11081 (lower_send_clauses): Rename from expand_send_clauses.
11082 If CTX is nested, lookup VAR in the outer context when
11083 building copy assignments.
11084 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11085 If CTX is nested, lookup VAR in the outer context when
11086 building copy assignments.
11087 (expand_parallel_call): Rename from build_parallel_call.
11088 Handle combined parallel+workshare cases.
11089 Re-implement to emit code into the CFG.
11091 (expand_omp_parallel): Re-implement to emit code into the CFG.
11092 Call move_sese_region_to_fn to outline the sub-graph
11093 containing the parallel region.
11094 (expand_omp_for_1): Remove.
11095 (expand_omp_for_generic): Re-implement to emit code into the
11097 (expand_omp_for_static_nochunk): Likewise.
11098 (expand_omp_for_static_chunk): Likewise.
11099 (expand_omp_for): Likewise.
11100 (expand_omp_sections): Likewise.
11101 (remove_exit_barriers): New.
11102 (expand_omp_synch): New.
11104 (build_omp_regions_1): New.
11105 (build_omp_regions): New.
11106 (execute_expand_omp): New.
11107 (gate_expand_omp): New.
11108 (pass_expand_omp): Define.
11109 (lower_omp_sections): Rename from expand_omp_sections.
11110 Set OMP_SECTIONS_SECTIONS.
11111 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11112 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11113 (lower_omp_single): Rename from expand_omp_simple.
11114 (lower_omp_master): Rename from expand_omp_master.
11115 (lower_omp_ordered): Rename from expand_omp_ordered.
11116 (lower_omp_critical): Rename from expand_omp_critical.
11117 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11118 (lower_omp_for): Re-implement.
11119 (lower_omp_parallel): Re-implement.
11120 (lower_regimplify): Rename from expand_regimplify.
11121 (lower_omp_1): Rename from expand_omp_1.
11122 If there are syntax errors in the program, replace every
11123 OpenMP directive with NOP.
11124 Call lower_omp_* instead of expand_omp_*.
11125 (lower_omp): Rename from expand_omp.
11127 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11128 * tree-gimple.h (enum omp_parallel_type): Remove.
11129 (gimple_boolify): Declare extern.
11130 (find_omp_clause, determine_parallel_type): Remove.
11132 * gimple-low.c (lower_omp_directive): New.
11133 (lower_stmt): Call it.
11134 (record_vars_into): Move from ...
11135 (record_vars): ... here.
11136 Call record_vars_into with current_function_decl.
11138 * gimplify.c (struct gimplify_ctx): Remove fields
11139 combined_pre_p and combined_ctxp. Update users.
11140 (get_formal_tmp_var): Add documentation.
11141 (gimple_boolify): Make extern.
11142 (gimplify_expr_in_ctx): Remove. Update callers.
11143 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11144 will always be a BIND_EXPR.
11145 (gimplify_expr): Handle OMP_RETURN_EXPR.
11146 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11147 (OMP_PARALLEL): Add 3 operands.
11148 (OMP_SECTIONS): Add 1 operand.
11149 (OMP_RETURN_EXPR): Define.
11151 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11152 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11153 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11154 creating a circular free list.
11155 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11157 * tree-flow.h (move_sese_region_to_fn): Declare.
11158 (record_vars_into): Declare.
11159 * tree-cfg.c (make_omp_sections_edges): New.
11160 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11161 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11162 OMP_SECTIONS and OMP_SECTION.
11163 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11164 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11165 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11166 (gather_blocks_in_sese_region): New.
11167 (struct move_stmt_d): Declare.
11168 (move_stmt_r): New.
11169 (move_block_to_fn): New.
11170 (move_sese_region_to_fn): New.
11172 * passes.c (init_optimization_passes): Schedule
11173 pass_expand_omp after pass_init_datastructures.
11175 * tree-ssa-operands.c (get_expr_operands): Handle
11176 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11177 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11179 2006-01-19 Jeff Law <law@redhat.com>
11181 * tree-vrp.c (extract_range_from_assert): Refine the result range
11182 if the variable referenced by the ASSERT_EXPR has a range and
11183 either the tentative result range or the previous range is a
11186 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11188 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11190 2006-01-19 Jan Hubicka <jh@suse.cz>
11192 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11194 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11196 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11197 (expand_compound_operation, expand_field_assignment): Fail if the
11198 bit lengths of an extract operation are out of range.
11199 (make_extraction): Compute wanted_inner_mode based on the position
11200 and length of the extraction. Make it extraction_mode for non-constant
11201 positions, and do not modify offset in that case. When generating a
11202 new MEM, use a mode that can hold the extraction while keeping correct
11203 alignment. Remove code that supported MEMs wrapped by USEs.
11204 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11206 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11208 * config/s390/s390.md ("Y", "y"): New mode attribute.
11209 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11210 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11211 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11212 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11213 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11214 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11215 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11216 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11217 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11218 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11219 "addsi3", "subsi3"): Insn patterns removed.
11220 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11221 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11222 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11223 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11224 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11225 "*sub<mode>3_cconly2"): New insn patterns.
11226 ("addsi3", "subsi3"): New expanders.
11228 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11230 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11231 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11232 existing STMT_VINFO_VECTYPE if available.
11233 (vect_mark_relevant): Add special handling for stmts that are
11234 marked as STMT_VINFO_IN_PATTERN_P.
11235 (vect_analyze_loop): Call vect_pattern_recog.
11236 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11237 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11239 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11240 (vect_recog_func_ptr): New function-pointer type.
11241 * tree-vect-patterns.c: New file.
11242 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11243 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11244 (vect_pattern_recog_1): New functions.
11245 (vect_pattern_recog_funcs): New array of function pointers.
11247 * tree-vectorizer.h (ternary_op): New enum value.
11248 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11249 declaration. Revised documentation. Removed redundant dump prints.
11250 Removed redundant argument. Added support for reduction patterns.
11251 (vectorizable_reduction): Added support for reduction patterns.
11252 (vect_transform_stmt): Added support for patterns.
11254 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11255 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11256 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11257 (expand_widen_pattern_expr): New function.
11258 (init_optabs): Initialize new optabs udot_prod_optab,
11260 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11261 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11262 (expand_widen_pattern_expr): New function declaration.
11263 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11265 * tree-inline.c (estimate_num_insns_1): Added cases for new
11266 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11267 * tree-pretty-print.c (dump_generic_node): Likewise.
11268 (op_prio): Likewise.
11269 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11270 * tree-ssa-operands.c (get_expr_operands): Added case for
11272 * tree-vect-patterns.c (widened_name_p): New function.
11273 (vect_recog_dot_prod_pattern): Added function implementation.
11274 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11275 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11276 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11277 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11279 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11280 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11281 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11282 (init_optabs): Initialize new optabs widen_ssum_optab,
11284 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11285 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11286 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11287 use instead of type of def.
11288 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11289 function implementation.
11290 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11291 widen_ssumv8hi): New.
11293 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11296 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11299 * c-decl.c (add_flexible_array_elts_to_size): New function.
11300 (finish_decl): Use it.
11302 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11304 * diagnostic.h: Include options.h.
11305 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11306 dependancies for diagnostic.h.
11307 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11309 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11311 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11312 (ssa_ro_call_cache_valid): Ditto.
11313 * tree-ssa-alias.c (sort_tags_by_id): New function.
11314 (init_transitive_clobber_worklist): Ditto.
11315 (add_to_worklist): Ditto.
11316 (mark_aliases_call_clobbered): Ditto.
11317 (compute_tag_properties): Ditto.
11318 (set_initial_properties): Ditto.
11319 (compute_call_clobbered): Ditto.
11320 (compute_may_aliases): Call compute_call_clobbered and grouping.
11321 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11322 (compute_flow_insensitive_aliasing): Grouping now happens in our
11324 (setup_pointers_and_addressables): Remove clobbering related code.
11325 (add_may_alias): Ditto.
11326 (replace_may_alias): Ditto.
11327 (get_nmt_for): Ditto.
11328 (create_global_var):
11329 (is_escape_site): Return an escape_type enumeration.
11330 * tree-flow-inline.h (is_call_clobbered): Global var does not
11331 imply call clobbered.
11332 (mark_call_clobbered): Take a reason for marking this. Remove
11333 marking of globalness, and cache invalidation.
11334 (clear_call_clobbered): Remove cache invalidation code.
11335 * tree-dfa.c (dump_variable): If details is on, dump the reason
11337 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11339 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11340 (struct var_ann_d): Ditto.
11341 (enum escape_type): New.
11342 (mark_call_clobbered): Adjust prototype.
11343 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11344 are never call clobbered.
11345 Record reasons for escaping.
11346 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11347 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11348 (ssa_ro_call_cache_valid): Ditto.
11349 (clobbered_v_may_defs): Ditto.
11350 (clobbered_vuses): Ditto.
11351 (ro_call_vuses): Ditto.
11352 (clobber_stats): New.
11353 (init_ssa_operands): Zero out clobber stats.
11354 (fini_ssa_operands): Print out clobber stats.
11355 (get_call_expr_operands): Pass callee fndecl to
11356 add_call_read_ops).
11357 (add_call_clobber_ops): Remove use of cache.
11358 Add use of PURE_CONST information.
11359 (add_call_read_ops): Remove use of cache.
11360 Add use of static not_read information.
11362 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11364 Introduce TLS descriptors for i386 and x86_64.
11365 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11366 (TARGET_ANY_GNU_TLS): New macro.
11367 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11368 (struct machine_function): Add tls_descriptor_call_expanded_p.
11369 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11370 (ix86_current_function_calls_tls_descriptor): Likewise.
11371 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11372 (override_options): Introduce gnu2 tls dialect.
11373 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11375 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11377 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11378 (ix86_init_machine_status): Initialize new field.
11379 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11380 (ix86_tls_module_base): New.
11381 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11382 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11383 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11384 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11385 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11386 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11387 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11388 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11389 * config/i386/predicates.md (tls_modbase_operand): New.
11390 (tp_or_register_operand): New.
11392 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11394 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11395 (look_for_address_of): Ditto.
11396 (ipa_init): Walk the function decls.
11397 (static_execute): Don't set readonly on FUNCTION_DECL's.
11399 2006-01-18 Roger Sayle <roger@eyesopen.com>
11401 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11402 for shifts where the source and destination registers are different.
11404 2006-01-18 Paul Brook <paul@codesourcery.com>
11406 Merge from csl-arm-branch.
11407 2005-03-14 Julian Brown <julian@codesourcery.com>
11408 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11409 (aeabi_llsl): Likewise.
11410 (ashrdi3): Likewise.
11411 (aeabi_lasr): Likewise.
11412 (lshrdi3): Likewise.
11413 (aeabi_llsr): Likewise.
11414 2005-03-10 Julian Brown <julian@codesourcery.com>
11415 * config.gcc: Disable shared libgcc for SymbianOS.
11416 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11418 2006-01-18 DJ Delorie <dj@redhat.com>
11420 * c-pragma.c (handle_pragma_diagnostic): New.
11421 (init_pragma): Register it.
11422 * doc/extend.texi: Document it.
11424 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11425 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11426 (diagnostic_context): Add classify_diagnostic[].
11427 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11428 as errors if they're overridden to DK_WARNING.
11429 (diagnostic_initialize): Initialize classify_diagnostic[].
11430 (diagnostic_set_kind_override): New.
11431 (diagnostic_report_diagnostic): Check for kind changes.
11432 * opts.c (common_handle_option): Take lang_mask. Update callers.
11433 Handle OPT_Werror_.
11434 * common.opt (Werror=): New.
11435 * doc/invoke.texi: Document -Werror=*
11437 2006-01-18 Jeff Law <law@redhat.com>
11439 * tree-vrp.c (test_for_singularity): Correct test for new
11440 min limit. Use operand_equal_p rather than pointer equality
11441 for testing if new min/max values are equal.
11443 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11444 using range information until after propagation and folding.
11446 2006-01-18 Richard Henderson <rth@redhat.com>
11447 Aldy Hernandez <aldyh@redhat.com>
11448 Jakub Jelinek <jakub@redhat.com>
11449 Diego Novillo <dnovillo@redhat.com>
11451 * omp-low.c: New file.
11452 * c-omp.c: New file.
11454 2006-01-18 Richard Henderson <rth@redhat.com>
11455 Jakub Jelinek <jakub@redhat.com>
11456 Diego Novillo <dnovillo@redhat.com>
11458 * doc/invoke.texi: Document -fopenmp.
11459 * tree-dump.h (debug_function): Declare.
11460 * hooks.c (hook_bool_tree_bool_false): New function.
11461 (hook_tree_tree_null): Remove.
11462 (hook_tree_tree_tree_null): New.
11463 * hooks.h: Update to match.
11464 * tree-pretty-print.c (debug_tree_chain): New.
11465 (print_generic_expr): Handle TDF_CHAIN.
11466 (dump_generic_node): Handle BLOCK.
11467 Do not abort with incomplete SWITCH_EXPRs.
11468 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11469 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11470 print space after directive name.
11471 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11472 Handle OMP_MASTER and OMP_ORDERED.
11473 Handle printing of OMP_BODY just in one place, goto
11474 dump_omp_body in the rest of OMP_* nodes that have
11476 Don't handle clause nodes here. Update omp statements to
11477 use dump_omp_clauses.
11478 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11479 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11480 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11481 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11482 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11483 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11484 Adjust output for GOMP_PARALLEL.
11485 (dump_omp_clauses): New.
11486 (print_declaration): Dump DECL_VALUE_EXPR.
11487 (op_symbol_1): Split out of op_symbol.
11488 (dumping_stmts): Remove. Update all users.
11489 * cgraph.c (cgraph_analyze_queue): New.
11490 (cgraph_add_new_function): New.
11491 * cgraph.h (cgraph_analyze_queue): Declare.
11492 (cgraph_add_new_function): Declare.
11493 (cgraph_lower_function): Remove.
11494 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11495 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11496 and TYPE_P nodes in its default clause.
11497 (empty_body_p): New.
11498 (tree_range_check_failed): New.
11499 (build5_stat): New.
11500 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11501 OMP_CLAUSE_REDUCTION_MERGE,
11502 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11503 OMP_CLAUSE_PRIVATE_DEBUG,
11504 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11505 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11506 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11507 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11508 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11509 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11510 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11511 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11512 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11513 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11514 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11515 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11516 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11517 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11518 (TREE_RANGE_CHECK): New.
11519 (empty_body_p): Declare.
11520 (enum omp_clause_default_kind): New.
11521 (build_string_literal): Declare.
11522 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11523 (build5_stat, build5): Declare.
11524 * tree-pass.h (TDF_CHAIN): Define.
11525 * tree-pass.h (PROP_gimple_lomp): Define.
11526 (pass_lower_omp): Declare.
11527 * diagnostic.h (debug_tree_chain): Declare.
11528 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11530 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11531 * builtins.c (build_string_literal): Make extern.
11532 * gcc.c (include_spec_function): New.
11533 (static_spec_functions): Add it.
11534 (main): Move load of libgomp.spec ...
11535 (LINK_COMMAND_SPEC): ... here.
11536 (link_gomp_spec): New.
11537 (static_specs): Include it.
11538 (LINK_COMMAND_SPEC): Add link_gomp.
11539 (GOMP_SELF_SPECS): New.
11540 (driver_self_specs): Include it.
11541 (switch_matches): Don't mark inline.
11542 (main): Load libgomp.spec.
11543 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11544 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11545 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11546 * tree-gimple.h (enum omp_parallel): Declare.
11547 (determine_parallel_type): Declare.
11548 (omp_firstprivatize_variable): Declare.
11549 (omp_reduction_init): Declare.
11550 (diagnose_omp_structured_block_errors): Declare.
11551 (struct walk_stmt_info): Add want_return_expr.
11552 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11553 (find_omp_clause): Declare.
11554 (insert_field_into_struct): Declare.
11555 (struct walk_stmt_info): Move from tree-nested.c
11556 (walk_stmts): Declare.
11557 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11559 * cgraphunit.c (cgraph_lower_function): Make static.
11560 (cgraph_finalize_pending_functions): New.
11561 (cgraph_finalize_function): Call it.
11562 (cgraph_finalize_compilation_unit): Likewise.
11563 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11564 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11565 (BT_FN_UINT_UINT): New.
11566 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11567 DEF_FUNCTION_TYPE_VAR_4): Document.
11568 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11569 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11570 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11571 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11572 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11573 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11574 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11575 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11576 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11577 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11578 into separate files.
11579 (DEF_GOMP_BUILTIN): New.
11580 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11581 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11582 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11583 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11584 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11585 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11586 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11587 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11588 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11589 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11590 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11591 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11592 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11593 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11594 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11595 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11596 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11597 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11598 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11599 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11600 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11601 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11602 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11603 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11604 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11605 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11606 * sync-builtins.def: New file, moved from builtins.def.
11607 * omp-builtins.def: New file, moved from builtins.def.
11608 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11609 * gimple-low.c (lower_function_body): Clear data.
11610 (lower_stmt): Do not handle COMPOUND_EXPR.
11611 Remove call to print_node_brief.
11612 * c-tree.h (c_finish_omp_clauses): New prototype.
11613 (C_DECL_THREADPRIVATE_P): Define.
11614 (lookup_name_no_remap, c_omp_remap_private): Remove
11615 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11616 (check_for_loop_decls): Update decl.
11617 (lookup_name_no_remap, c_omp_remap_private): Declare.
11618 (build_indirect_ref, build_modify_expr, pushdecl,
11619 pushdecl_top_level): Move to c-common.h.
11620 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11621 before the switch, but just in the 2 places that need it.
11622 * c-decl.c (diagnose_mismatched_decls): Do not check for
11623 mismatched thread-local attributes when OLDDECL is marked
11624 threadprivate and NEWDECL has no thread-local attributes.
11625 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11626 (c_gimple_diagnostics_recursively): Rename from
11627 c_warn_unused_result_recursively. Invoke
11628 diagnose_omp_structured_block_errors.
11629 (check_for_loop_decls): Return a singular decl found.
11630 * langhooks.c (lhd_omp_predetermined_sharing): Return
11631 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11632 (lhd_omp_firstprivatize_type_sizes): New.
11633 (lhd_omp_assignment): New.
11634 (lhd_omp_predetermined_sharing): New.
11635 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11636 (struct lang_hooks_for_types): Add
11637 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11638 omp_predetermined_sharing, omp_disregard_value_expr,
11639 omp_private_debug_clause, omp_clause_default_ctor,
11640 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11641 (c_finish_omp_clauses): New.
11642 (c_finish_bc_stmt): Diagnose break within omp for.
11643 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11644 (build_unary_op): Return error_mark after reporting
11646 (build_modify_expr): Likewise.
11647 * gimplify.c: Include optabs.h and pointer-set.h.
11648 (enum gimplify_omp_var_data): Declare.
11649 (struct gimplify_omp_ctx): Declare.
11650 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11652 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11653 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11654 (splay_tree_compare_decl_uid): New.
11655 (new_omp_context): New.
11656 (delete_omp_context): New.
11657 (gimple_add_tmp_var): Call omp_add_variable.
11658 (gimplify_bind_expr): Likewise.
11659 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11660 true, disregard DECL_VALUE_EXPR on the decl if any.
11661 (gimplify_expr_in_ctx): New.
11662 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11663 omp_add_variable, omp_notice_variable, omp_is_private
11664 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11665 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11666 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11667 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11668 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11669 gimplify_omp_atomic): New.
11670 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11671 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11672 OMP_CRITICAL and OMP_ATOMIC.
11673 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11674 * c-pragma.h (enum pragma_kind): Add
11675 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11676 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11677 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11678 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11679 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11680 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11681 PRAGMA_OMP_THREADPRIVATE.
11682 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11683 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11684 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11685 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11686 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11687 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11688 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11689 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11690 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11691 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11692 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11693 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11694 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11696 (struct nesting_info): Add field_map,
11697 suppress_expansion, debug_var_chain.
11698 (create_nesting_tree): Initialize them.
11699 (lookup_field_for_decl): Use field_map.
11700 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11701 (convert_local_omp_clauses): New.
11702 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11703 (walk_body): Split out of walk_function.
11704 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11705 (convert_nonlocal_reference): Handle omp statements.
11706 (convert_local_reference): Likewise.
11707 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11708 (unnest_nesting_tree): New.
11709 (lower_nested_functions): Call it.
11710 (insert_field_into_struct): Make extern.
11711 (struct walk_stmt_info): Move to tree-gimple.h.
11712 (walk_stmts): Make extern.
11713 * omp-builtins.def: New file.
11714 * tree-iterator.c (expr_only): Clarify comment.
11715 * c-common.h (pushdecl_top_level, pushdecl,
11716 build_modify_expr, build_indirect_ref,
11717 c_finish_omp_master, c_finish_omp_critical,
11718 c_finish_omp_ordered, c_finish_omp_barrier,
11719 c_finish_omp_atomic, c_finish_omp_flush,
11720 c_finish_omp_for, c_split_parallel_clauses,
11721 omp_clause_default_kind, c_omp_sharing_predetermined,
11722 c_omp_remap_decl): Declare.
11723 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11724 (OBJS-common): Add omp-low.o.
11725 (c-omp.o, omp-low.o): Add.
11726 (gimplify.o): Add dependency on $(OPTABS_H).
11727 (GTFILES): Add omp-low.c.
11728 (gt-stringpool.h): Add.
11729 * tree-cfg.c (set_bb_for_stmt): Do not update the
11730 block-to-labels map if we are currently expanding to RTL.
11731 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11733 Handle IDENTIFIER_NODE.
11734 (tree_verify_flow_info): Do not ICE when emitting error
11735 messages about invalid labels.
11736 (dump_function_to_file): Reset CFUN before emitting the body
11738 (debug_function): New.
11739 * passes.c (init_optimization_passes): Schedule
11741 * langhooks-def.h (lhd_omp_predetermined_sharing,
11742 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11744 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11745 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11746 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11747 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11748 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11749 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11750 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11751 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11752 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11753 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11754 (LANG_HOOK_DECLS): Use them.
11756 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11757 Richard Henderson <rth@redhat.com>
11758 Jakub Jelinek <jakub@redhat.com>
11759 Diego Novillo <dnovillo@redhat.com>
11761 * c-parser.c (pragma_omp_clause): Define.
11762 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11763 (c_parser_compound_statement): Likewise.
11764 (c_parser_statement): Likewise.
11765 (c_parser_pragma): Handle omp pragmas.
11766 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11767 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11768 (c_parser_omp_clause_name, check_no_duplicate_clause,
11769 c_parser_omp_variable_list,
11770 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11771 c_parser_omp_clause_copyprivate,
11772 c_parser_omp_clause_default,
11773 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11774 c_parser_omp_clause_lastprivate,
11775 c_parser_omp_clause_nowait,
11776 c_parser_omp_clause_num_threads,
11777 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11778 c_parser_omp_clause_reduction,
11779 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11780 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11781 c_parser_omp_atomic, c_parser_omp_barrier,
11782 c_parser_omp_critical, c_parser_omp_flush,
11783 c_parser_omp_for_loop, c_parser_omp_for,
11784 c_parser_omp_master, c_parser_omp_ordered,
11785 c_parser_omp_sections_scope, c_parser_omp_sections,
11786 c_parser_omp_parallel, c_parser_omp_single,
11787 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11788 * c-pragma.c (init_pragma): Do omp pragma registration here.
11789 * c.opt (fopenmp): New flag.
11791 2006-01-18 Eric Christopher <echristo@apple.com>
11793 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11794 * config/darwin.h (GOMP_SELF_SPECS): Define.
11796 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11798 * rtl.h: Remove the prototype for reg_alloc.
11800 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11803 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11804 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11805 sjlj and dwarf2 exception handling.
11806 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11807 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11808 * pa/pa.c (function_value): Treat complex and vector types as
11810 (function_arg): Likewise. Only pass scalar floats in the floating
11811 point argument registers.
11812 * pa/t-slibgcc-dwarf-ver: New file.
11813 * pa/t-slibgcc-sjlj-ver: New file.
11814 * pa/t-slibgcc-elf-ver: Delete file.
11816 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11818 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11819 unlikely_test_section_p test.
11821 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11823 * mode-switching.c (optimize_mode_switching): Make it static.
11824 * basic-block.h: Remove the prototype for
11825 optimize_mode_switching.
11827 * modulo-sched.c (sms_schedule): Make it static.
11828 * rtl.h: Remove the prototype for sms_schedule.
11830 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11831 * rtl.h: Remove the prototype for gcse_after_reload_main.
11833 * reg-stack.c (reg_to_stack): Make it static.
11834 * rtl.h: Remove the prototype for reg_to_stack.
11836 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11838 * rtl.h: Remove the prototypes for regrename_optimize and
11839 copyprop_hardreg_forward.
11841 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11843 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11844 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11845 Test against the appropriate null constant for the mode.
11846 If 'fixup_overlap' is true, swap the operands if they overlap.
11847 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11848 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11849 alpha_split_tmode_pair and adjust for above change.
11850 * config/alpha/alpha.md (movtf_internal): Adjust call to
11851 alpha_split_tfmode_pair and rely on it to swap the operands.
11852 (movti_internal): New insn and post-reload splitter.
11853 (movti): New expander.
11855 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11857 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11860 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11862 * rtlanal.c (global_reg_mentioned_p_1,
11863 global_reg_mentioned_p): Remove.
11864 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11866 * flow.c (initialize_uninitialized_subregs): Make it static.
11867 * rtl.h: Remove the prototype for
11868 initialize_uninitialized_subregs.
11870 * function.c (instantiate_virtual_regs): Make it static.
11871 * function.h: Remove the prototype for
11872 instantiate_virtual_regs.
11874 * regmove.c (regmove_optimize, combine_stack_adjustments):
11876 * rtl.h: Remove the prototypes for regmove_optimize and
11877 combine_stack_adjustments.
11879 2006-01-17 Roger Sayle <roger@eyesopen.com>
11881 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11882 (size_cost): Encode costs in bytes so that a reg-reg addition is
11883 equivalent to COSTS_N_INSNS(1).
11884 (override_options): Use the size_cost.branch_cost as the default
11885 ix86_branch_cost when optimizing for size.
11887 2006-01-18 Ben Elliston <bje@au.ibm.com>
11889 * Makefile.in (D32PBIT_FUNCS): New.
11890 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11891 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11892 D64PBIT_FUNCS and D128PBIT_FUNCS.
11893 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11894 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11896 (decnumber_dep): Define.
11897 * doc/libgcc.texi (Decimal float library routines): New node.
11898 * config/dfp-bit.h, config/dfp-bit.c: New files.
11900 2006-01-18 Ben Elliston <bje@au.ibm.com>
11902 * expr.c (emit_move_change_mode): Always adjust addresses, not
11903 just during reload. Copy replacements only during reload.
11904 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11905 emit_move_via_integer.
11907 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11909 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11910 instead of $(srcdir) and ${srcdir}.
11912 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11915 PR middle-end/11135
11916 * arm.h (struct machine_function): Add pic_reg.
11917 * arm.c (arm_pic_register): Make unsigned.
11918 (arm_override_options): Only set arm_pic_register if
11919 TARGET_SINGLE_PIC_BASE.
11920 (use_return_insn): Only test for a pic register if it is fixed.
11921 (arm_compute_save_reg0_reg12_mask): Likewise.
11922 (thumb_compute_save_reg_mask): Likewise.
11923 (legitimate_pic_operand): Factor out some known invariants.
11924 (legitimize_pic_address): If we don't have a fixed pic register,
11925 then set up a pseudo in the function entry sequence. Handle the
11926 pic base being in a pseudo.
11927 (arm_load_pic_register): Handle the pic register being in a pseudo.
11928 (arm_expand_prologue): Only set up the pic register if it is fixed.
11929 (thumb_expand_prologue): Likewise.
11930 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11931 (pic_load_addr_based_insn): Likewise.
11932 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11935 2006-01-18 Ben Elliston <bje@au.ibm.com>
11937 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11938 decimal float modes for all floating point registers.
11940 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11941 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11943 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11946 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11947 even when the pointer is not NULL.
11949 2006-01-16 Ian Lance Taylor <ian@airs.com>
11951 * common.opt (ftoplevel-reorder): New option.
11952 * cgraph.c (cgraph_asm_nodes): New global variable.
11953 (cgraph_asm_last_node): New static variable.
11954 (cgraph_order): New global variable.
11955 (cgraph_create_node): Set new order field.
11956 (cgraph_varpool_node): Likewise.
11957 (decide_is_variable_needed): Return true if not
11958 flag_toplevel_reorder.
11959 (cgraph_add_asm_node): New function.
11960 * cgraph.h (struct cgraph_node): Add order field.
11961 (struct cgraph_varpool_node): Add order field.
11962 (struct cgraph_asm_node): Define.
11963 (cgraph_asm_nodes, cgraph_order): Declare.
11964 (cgraph_add_asm_node): Declare.
11965 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11967 (cgraph_varpool_assemble_pending_decls): Call it.
11968 (cgraph_output_pending_asms): New static function.
11969 (cgraph_finalize_compilation_unit): Call it.
11970 (struct cgraph_order_sort): Define.
11971 (cgraph_output_in_order): New static function.
11972 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11973 !flag_toplevel_reorder case.
11974 * c-parser.c: Include "cgraph.h".
11975 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11977 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11978 than -fno-unit-at-a-time.
11979 * doc/invoke.texi (Option Summary): Mention
11980 -fno-toplevel-reorder.
11981 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11982 -funit-at-a-time documentation.
11984 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11985 Kazu Hirata <kazu@codesourcery.com>
11987 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11989 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11991 * Makefile.in (FUNCTION_H): New. Use it instead of
11992 function.h throughout the file.
11993 * function.h: Include tree.h.
11995 2006-01-17 Ben Elliston <bje@au.ibm.com>
11997 * recog.c: Separate some functions with whitespace.
11999 2006-01-16 Richard Henderson <rth@redhat.com>
12001 Merge from gomp branch:
12002 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12003 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12004 and rename from struct inline_data. Rename callee* to dst*;
12005 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12006 transform_new_cfg, transform_return_to_modify, and
12007 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12009 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12010 (copy_decl_for_dup): Remove.
12011 * tree-inline.c (struct inline_data): Move to header.
12012 (insert_decl_map): Export.
12013 (remap_decl): Update for member name changes. Use copy_decl hook.
12014 Allow for replacement to be a non-decl. Remove dead code.
12015 (remap_type_1): Check for existing mapping.
12016 (remap_type): Export.
12017 (remap_decls): Update for member name changes.
12018 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12019 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12020 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12021 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12022 (tree_function_versioning, build_duplicate_type): Likewise.
12023 (copy_body_r): Likewise. Export.
12024 (copy_decl_for_dup): Split into ...
12025 (copy_decl_for_dup_finish, copy_decl_to_var,
12026 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12027 (replace_ref_tree, inlining_p): Remove.
12029 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12031 * ifcvt.c (if_convert): Make it static.
12032 * rtl.h: Remove the prototype for if_convert.
12034 * local-alloc.c (local_alloc): Make it static.
12035 * rtl.h: Remove the prototype for local_alloc.
12037 * loop.c (loop_optimize): Make it static.
12038 * cfgloop.h: Remove the prototype for loop_optimize.
12041 2006-01-16 DJ Delorie <dj@redhat.com>
12043 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12046 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12048 * pa.md: Disparage copies between general and floating-point registers
12049 in 32-bit move patterns.
12051 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12054 * Makefile.in (check-%): Depend on site.exp instead of
12055 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12058 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12060 * global.c (global_alloc): Make it static.
12061 * rtl.h: Remove the prototype for global_alloc.
12063 2006-01-16 Richard Guenther <rguenther@suse.de>
12065 * tree-ssa-alias.c (struct used_part): Add write_only field.
12066 (get_or_create_used_part_for): Initialize it to true.
12067 (create_overlap_variables_for): Don't create structure variables
12068 for structures that only are written to.
12069 (find_used_portions): Handle MODIFY_EXPR to track whether a
12070 structure is only written to.
12072 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12074 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12076 * basic-block.h: Remove the prototype for
12077 partition_hot_cold_basic_blocks.
12079 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12081 * cppspec.c (lang_specific_spec_functions): Remove.
12082 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12083 * gcc.h (lang_specific_spec_functions): Remove.
12084 * gccspec.c (lang_specific_spec_functions): Remove.
12086 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12088 * combine.c (record_value_for_reg): Invalidate registers
12090 (record_dead_and_set_regs_1): Likewise, by passing them to
12091 record_value_for_reg.
12092 (record_dead_and_set_regs): Invalidate stores made by a
12093 call. We do not combine across a call, but we still
12094 relied on equivalences.
12096 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12098 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12099 vrp_int_const_binop returning non-constant nodes.
12101 2006-01-16 Paul Brook <paul@codesourcery.com>
12103 * config/m68k/m68k.c (output_move_const_into_data_reg):
12104 Output correct mnemonic for mvz and mvs.
12106 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12108 * rtl-factoring.c: Add sequence abstraction algorithm.
12109 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12110 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12112 (block_has_preserve_label): New function.
12113 * common.opt: Register new pass.
12114 * Makefile.in: Ditto.
12116 * timevar.def: Ditto.
12117 * tree-pass.h: Ditto.
12118 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12119 * rtl.h (make_jump_insn_raw): Add forward decl.
12120 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12122 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12123 Roger Sayle <roger@eyesopen.com>
12125 * fold-const.c (fold_minmax): New static function.
12126 (fold_binary) <MIN_EXPR>: Call it.
12127 <MAX_EXPR>: Likewise.
12128 * stor-layout.c (place_field): Use DECL_SIZE consistently
12129 in the computation of the new record size.
12131 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12133 * cse.c (cse_condition_code_reg): Make it static.
12134 * rtl.h: Remove the prototype for cse_condition_code_reg.
12136 * combine.c (combine_instructions): Make it static.
12137 * rtl.h: Remove the prototype for combine_instructions.
12139 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12142 * tree.c (get_file_function_name_long): Concatenate the first global
12143 object name with a string derived from the input filename of the object
12146 2006-01-16 Ben Elliston <bje@au.ibm.com>
12148 * config/i386/winnt-stubs.c: Update FSF address.
12149 * config/xtensa/ieee754-df.S: Ditto.
12150 * config/xtensa/ieee754-sf.S: Ditto.
12152 2006-01-14 Ian Lance Taylor <ian@airs.com>
12154 * ifcvt.c (noce_init_if_info): New static function, broken out of
12155 noce_process_if_block.
12156 (noce_process_if_block): Call noce_init_if_info.
12157 (check_cond_move_block): New static function.
12158 (cond_move_process_if_block): New static function.
12159 (process_if_block): Call cond_move_process_if_block.
12161 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12163 * cselib.c (hash_table): Rename to cselib_hash_table.
12164 (cselib_clear_table, discard_useless_values,
12165 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12166 cselib_init, cselib_finish): Adjust uses of hash_table.
12168 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12170 PR tree-optimization/25485
12171 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12172 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12173 is known to be false and true, respectively.
12175 2006-01-14 Richard Guenther <rguenther@suse.de>
12177 PR tree-optimization/22548
12178 PR tree-optimization/22555
12179 PR tree-optimization/22501
12180 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12181 * params.def (salias-max-array-elements): New parameter.
12182 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12183 * doc/invoke.texi (salias-max-array-elements): Document.
12184 * tree-flow-inline.h (var_can_have_subvars): We also handle
12186 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12188 * tree-ssa-structalias.c (params.h): Include.
12189 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12190 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12191 (get_constraint_for): For ADDR_EXPR operating on something
12192 containing an ARRAY_REF, add all subvars to the solution.
12193 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12194 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12195 for creating MUST_DEFs.
12196 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12198 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12200 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12202 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12203 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12204 number_of_iterations_le): New functions.
12205 (number_of_iterations_special): Removed.
12206 (number_of_iterations_exit): Do not use number_of_iterations_special.
12207 * tree.c (unsigned_type_for): Always return integer type.
12209 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12210 Richard Guenther <rguenther@suse.de>
12212 PR rtl-optimization/24257
12213 * gcse.c (find_moveable_store): Only consider a store movable
12214 when the SET_SRC of the insn can be assigned to a register.
12216 2006-01-14 Ian Lance Taylor <ian@airs.com>
12218 * tree.c (tree_not_class_check_failed): New function.
12219 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12220 (tree_not_class_check_failed): Declare.
12222 2006-01-13 Ian Lance Taylor <ian@airs.com>
12224 * reload1.c (do_output_reload): Add assertion rejecting a
12227 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12229 * combine.c (struct reg_stat): Add new fields truncation_label and
12231 (record_value_for_reg): Reset truncated_to_mode.
12232 (record_truncated_value): New function.
12233 (check_promoted_subreg): Call it. Rename to check_conversions.
12234 (combine_instructions): Rename check_promoted_subreg to
12236 (reg_truncated_to_mode): New function.
12237 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12238 (gen_lowpart_or_truncate): New function.
12239 (force_to_mode): Use it instead of gen_lowpart.
12241 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12243 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12244 VAR is a tag, not its type tag.
12246 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12248 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12249 alternatives to match style of other entries.
12250 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12252 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12254 PR tree-optimization/25771
12255 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12258 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12261 * tree-inline.c (declare_return_variable): If the return variable
12262 was marked as a non gimple complex, set the return slot variable
12263 to be a non gimple comple variable.
12265 2006-01-13 Richard Guenther <rguenther@suse.de>
12267 * builtins.c (expand_builtin_sincos): New function.
12268 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12270 (expand_builtin): Expand sincos using expand_builtin_sincos.
12272 2006-01-12 DJ Delorie <dj@redhat.com>
12274 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12275 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12276 so that constant shifts can be split.
12277 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12278 (m32c_valid_pointer_mode): Make static.
12279 (shift_gen_func_for): New.
12280 (m32c_prepare_shift): Use it. Split large const shifts into
12282 * config/m32c/predicates.md (shiftcount_operand): Allow more
12284 (longshiftcount_operand): New.
12285 * doc/md.texi (Machine Constraints): Document In6.
12287 2006-01-13 Ben Elliston <bje@au.ibm.com>
12289 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12290 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12293 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12295 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12296 to try to avoid clobbering pieces of structures when we know
12297 something about the whole structure.
12298 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12300 2006-01-13 Ben Elliston <bje@au.ibm.com>
12302 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12303 return in memory, as this is no limitation is no longer present.
12305 2006-01-12 DJ Delorie <dj@redhat.com>
12307 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12308 mova with fb, and for fb+0 -> An.
12310 * config/m32c/mov.md (peephole2): Fix enabling logic.
12312 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12313 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12314 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12315 FINI_ARRAY_SECTION_ASM_OP): Define.
12317 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12319 (m32c_legitimize_reload_address): New logic to reload FB to An.
12320 (m32c_output_reg_push): Add newline.
12321 (m32c_output_reg_pop): Likewise.
12323 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12325 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12327 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12329 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12331 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12333 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12336 2006-01-11 Ben Elliston <bje@au.ibm.com>
12338 * rtlanal.c (find_reg_note): Assert insn is not null.
12340 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12342 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12345 2006-01-11 Jeff Law <law@redhat.com>
12347 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12349 (mark_threaded_blocks, register_jump_thread): New functions.
12350 (thread_through_all_blocks): Remove unwanted argument. No
12351 longer rely on e->aux to communicate thread target info.
12352 Call mark_threaded_blocks. Release the threaded_blocks
12353 bitmap and threaded_edges vector when complete.
12354 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12355 (threaded_blocks): Remove.
12356 (tree_ssa_dominator_optimize): Remove initialization and
12357 finalization of threaded_blocks. Simplify call to
12358 thread_through_all_blocks.
12359 (thread_across_edge): Call register_jump_thread rather than
12360 storing thread information into e->aux.
12361 (free_all_edge_infos): Simplify now that e->aux is no longer
12362 used to communicate with thread_through_all_blocks.
12363 * tree-flow.h (thread_through_all_blocks): Update prototype.
12364 (register_jump_thread): Prototype.
12366 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12368 * df-core.c (df_compact_blocks, df_bb_replace): Use
12369 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12371 2006-01-11 Richard Guenther <rguenther@suse.de>
12373 PR tree-optimization/25734
12374 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12375 stop propagation after successful propagation to the LHS.
12377 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12379 * basic-block.h (control_flow_graph): Change the type of
12380 x_basic_block_info to VEC(basic_block,gc) *.
12381 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12383 (SET_BASIC_BLOCK): New.
12384 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12385 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12386 * cfgbuild.c (find_basic_blocks): Likewise.
12387 * cfglayout.c (fixup_reorder_chain): Likewise.
12388 * cfgrtl.c (create_basic_block_structure,
12389 rtl_create_basic_block): Likewise.
12390 * ifcvt.c (find_if_case_1): Likewise.
12391 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12394 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12396 * Makefile.in: Removed rotted odf.c entry.
12398 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12401 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12402 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12403 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12404 output pattern modifier, not %e.
12405 * config/cris/cris.c (cris_op_str): Update comment about pattern
12407 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12408 before falling through into...
12409 <case 'E'>: Redefined from old 'e' case.
12411 2006-01-11 Jan Hubicka <jh@suse.cz>
12414 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12416 2006-01-11 Jan Hubicka <jh@suse.cz>
12418 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12419 * i386.c (x86_decompose_lea): Kill.
12420 (ix86_rtx_costs): Kill.
12422 2006-01-11 Jan Hubicka <jh@suse.cz>
12424 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12425 * cgraph.h (cgraph_node): Add inline_decl.
12426 (cgraph_insert_node_to_hashtable): Declare.
12427 (save_inline_function_body): Declare.
12428 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12430 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12431 (cgraph_function_versioning): Update call of tree_function_versioning.
12432 (save_inline_function_body): New function.
12433 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12434 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12435 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12436 (cgraph_default_inline_p): Likewise.
12437 (cgraph_decide_inlining_incrementally): Likewise.
12438 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12439 (copy_bb): Kill saving; do updating of clones.
12440 (copy_cfg_body): Kill saving.
12441 (initialize_inlined-parameters): Likewise.
12442 (expand_call_inline): Likewise.
12444 (tree_function_versioning): New parameter "update_clones".
12445 (inlining_p): Kill saving.
12446 * tree-inline.h (tree_function_versioning): Update prototype.
12447 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12450 2006-01-11 Ian Lance Taylor <ian@airs.com>
12452 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12453 Allow undoing set of machine mode.
12454 (do_SUBST): Use enums instead of is_int.
12455 (do_SUBST_MODE): New function.
12456 (SUBST_MODE): New macro.
12457 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12458 reg and trying to replace reg_regno_rtx with a new register.
12459 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12460 (simplify_set): Use SUBST_MODE.
12461 (distribute_notes): Remove code that tried to update reg notes
12462 for regno_reg_rtx changes.
12464 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12466 PR tree-optimization/23109
12467 PR tree-optimization/23948
12468 PR tree-optimization/24123
12470 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12471 * tree-cfg.c (single_noncomplex_succ): New.
12472 * tree-flow.h (single_noncomplex_succ): Declare it.
12473 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12474 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12475 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12476 insert_bb, register_division_in, insert_reciprocals,
12477 replace_reciprocal, free_bb): New.
12478 (execute_cse_reciprocals_1): Rewritten.
12479 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12480 Do not commit any edge insertion. Always compute dominators and
12481 create the allocation pool.
12482 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12483 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12484 * targhooks.c (default_min_divistions_for_recip_mul): New.
12485 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12486 * passes.c (init_optimization_passes): Run recip after tree loop
12488 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12490 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12491 Kenneth Zadeck <zadeck@naturalbridge.com>
12493 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12494 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12495 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12496 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12497 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12498 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12499 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12500 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12501 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12502 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12503 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12504 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12505 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12506 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12507 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12508 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12509 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12510 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12511 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12512 DF_SCAN_POST_ALLOC): New macros.
12513 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12514 df_free_bb_function, df_local_compute_function, df_init_function,
12515 df_dataflow_function, df_confluence_function_0,
12516 df_confluence_function_n, df_transfer_function,
12517 df_finalizer_function, df_free_function, df_dump_problem_function,
12518 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12519 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12520 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12521 df_urec_bb_info, ) New types.
12522 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12524 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12525 df_analyze_simple_change_some_blocks,
12526 df_analyze_simple_change_one_block, df_compact_blocks,
12527 df_bb_replace, df_bb_regno_last_use_find,
12528 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12529 df_insn_regno_def_p, df_find_def, df_find_use,
12530 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12531 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12532 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12533 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12534 debug_df_chain, df_get_dependent_problem, df_chain_create,
12535 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12536 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12537 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12538 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12539 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12540 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12541 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12542 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12543 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12544 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12545 df_reorganize_refs, df_set_state, df_hard_reg_init,
12546 df_read_modify_subreg_p) New public functions.
12547 * df-core.c: The core dataflow solver and glue routines for rtl
12549 (df_init, df_add_problem, df_set_blocks, df_finish,
12550 df_hybrid_search_forward, df_hybrid_search_backward,
12551 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12552 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12553 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12554 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12555 df_reg_defined, df_find_use, df_reg_used, df_dump,
12556 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12557 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12558 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12559 debug_df_useno, reset_df_after_reload): New functions.
12560 * df-scan.c: The scanning fuctions, once in df.c, completely
12561 rewritten so that they now fully model the functionality of
12562 register usage at the backend.
12563 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12564 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12565 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12566 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12567 df_get_artificial_defs, df_get_artificial_uses,
12568 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12569 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12570 df_refs_delete, df_reorganize_refs, df_set_state,
12571 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12572 df_def_record_1, df_defs_record, df_uses_record,
12573 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12574 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12575 df_record_exit_block_uses, df_hard_reg_init): New functions.
12577 * df-problems.c: Seven concrete dataflow problems that use the
12578 scanning in df-scan.c and are solved by the engine in df-core.c.
12579 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12580 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12581 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12582 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12583 df_ru_free_bb_info, df_ru_alloc,
12584 df_ru_bb_local_compute_process_def,
12585 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12586 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12587 df_ru_transfer_function, df_ru_free, df_ru_dump,
12588 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12589 df_rd_free_bb_info, df_rd_alloc,
12590 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12591 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12592 df_rd_transfer_function, df_rd_free, df_rd_dump,
12593 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12594 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12595 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12596 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12597 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12598 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12599 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12600 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12601 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12602 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12603 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12604 df_urec_mark_reg_use_for_earlyclobber,
12605 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12606 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12607 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12608 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12609 df_chain_create_bb_process_use, df_chain_create_bb,
12610 df_chain_finalize, df_chain_free, df_chains_dump,
12611 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12612 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12613 df_reg_lifetime): New functions.
12614 * df.c: Deleted file.
12615 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12616 consistent with new df api.
12617 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12618 rest_of_handle_sms): Ditto.
12619 * web.c (unionfind_union, union_defs, entry_register, web_main):
12621 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12622 invariant_expr_equal_p, find_defs, check_dependencies,
12623 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12624 free_inv_motion_data, move_loop_invariants): Ditto.
12625 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12626 Update dependencies.
12627 (odf.c): Added defective entry that was deleted later in day.
12628 * sched-deps.c (sched_analyze_1): Ditto.
12630 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12632 * tree-ssa-operands.c (get_expr_operands): Record addressable
12633 variables directly. Do not call add_stmt_operands for CONST_DECLs
12635 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12636 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12638 2006-01-11 Ben Elliston <bje@au.ibm.com>
12640 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12641 function returns true in the positive case.
12643 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12646 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12647 for SI, DI, SF and DF modes. Add alternatives to copy between
12648 general and floating point registers to the 32-bit patterns.
12649 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12650 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12651 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12652 generating 64-bit code.
12653 * config/pa/pa.c (output_move_double): Handle copies between general
12654 and floating registers.
12656 2006-01-10 Stuart Hastings <stuart@apple.com>
12658 * config/i386/i386.md (set_got): Update.
12659 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12660 (builtin_setjmp_receiver): Mach-O support.
12661 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12662 (GOT_SYMBOL_NAME): Define.
12663 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12664 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12665 * config/i386/i386.c (override_options): Revise for Darwin.
12666 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12667 support. (darwin_x86_file_end): New. (output_set_got): Add label
12668 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12669 * config/i386/i386-protos.h (output_set_got): Likewise.
12670 * config/darwin.c (machopic_legitimize_pic_address): Update
12673 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12675 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12676 when MODE isn't BLKmode.
12678 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12680 PR rtl-optimization/25367
12681 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12683 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12686 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12687 for a negative bound.
12689 2006-01-10 Richard Guenther <rguenther@suse.de>
12691 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12692 Never override with anything constraint.
12694 2006-01-10 Jan Beulich <jbeulich@novell.com>
12696 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12697 256 bits when optimize_size.
12699 2006-01-10 Jan Beulich <jbeulich@novell.com>
12701 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12703 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12704 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12707 2006-01-10 Ben Elliston <bje@au.ibm.com>
12709 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12711 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12712 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12713 (USE_FP_FOR_ARG): Reject decimal float modes.
12714 (function_arg_advance): Likewise.
12715 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12716 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12717 point types in AltiVec vectors.
12718 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12719 (rs6000_libcall_value): Likewise.
12721 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12723 * config/xtensa/ieee754-df.S: New file.
12724 * config/xtensa/ieee754-sf.S: New file.
12725 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12726 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12727 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12729 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12731 * config/sh/predicates.md (binary_float_operator,
12732 binary_logical_operator, commutative_float_operator,
12733 equality_comparison_operator, greater_comparison_operator,
12734 less_comparison_operator, logical_operator,
12735 noncommutative_float_operator, shift_operator,
12736 symbol_ref_operand, unary_float_operator): Remove redundant
12739 2006-01-09 Jeff Law <law@redhat.com>
12741 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12742 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12743 now unused arguments. Callers updated.
12744 (eliminate_redundant_computations): Remove now unused arguments,
12746 (local_fold): Remove, no longer used.
12747 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12749 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12750 (simplify_cond): New function.
12751 (forward_propagate_into_cond): Call simplify_cond.
12753 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12755 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12756 (*vec_extractv2di_1_sse): New.
12758 2006-01-09 Ben Elliston <bje@au.ibm.com>
12760 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12762 2006-01-08 Richard Guenther <rguenther@suse.de>
12764 * tree-ssa-structalias.c (get_constraint_for): Remove
12765 anyoffset argument.
12766 (get_constraint_for_component_ref): Likewise.
12767 (do_deref): Likewise.
12768 (get_constraint_for): Likewise.
12769 (do_structure_copy): Likewise.
12770 (handle_ptr_arith): Likewise.
12771 (find_func_aliases): Likewise. Remove unused need_anyoffset
12774 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12775 Kaz Kojima <kkojima@gcc.gnu.org>
12777 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12778 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12779 (EXTRA_CONSTRAINT_C16): Remove.
12780 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12781 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12782 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12783 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12784 constants of SHmedia. Handle nested constant expressions of
12786 (andcosts): Fix the costs for SHmedia constants.
12787 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12788 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12789 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12790 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12791 (movv4hi_i, movv2si_i): Likewise.
12792 (movsi_const): Adjust the second operand of ior so to match with
12793 the Csu constraint.
12794 (movdi_const, movdi_const_32bit): Likewise.
12795 (movdi_const_16bit+1): Don't sign-extend LOW.
12796 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12798 (*double_shori): Fix the split condition. Use GEN_INT instead
12799 of get_int_mode calls. Mask lower 16-bit of the argument of
12801 (sym2GOTPLT): Remove.
12802 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12804 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12805 instead of EXTRA_CONSTRAINT_C16.
12807 2006-01-07 Ian Lance Taylor <ian@airs.com>
12808 David Edelsohn <edelsohn@gnu.org>
12810 PR rtl-optimization/25662
12811 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12812 for constant operands instead of simplify_gen_binary.
12813 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12814 after trying simplify_binary_operation
12816 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12818 * tree.c (iterative_hash_expr): Hash decls based on UID.
12820 2006-01-06 Eric Christopher <echristo@apple.com>
12822 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12823 (TARGET_UNWIND_EMIT): Fix spelling.
12824 * target.h (gcc_target): Add except_table_label.
12825 * except.c (output_function_exception_table): Use.
12826 * varasm.c (default_emit_except_table_label): New.
12827 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12829 (asm_out): Add here.
12830 * output.h (default_emit_except_table_label): Prototype.
12831 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12832 * config/darwin.c (darwin_emit_except_table_label): Define.
12833 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12835 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12837 PR tree-optimization/18527
12838 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12839 number_of_iterations_special, number_of_iterations_exit):
12840 Move base and step of an iv to a single structure. Add
12841 no_overflow flag, and use it in # of iterations analysis.
12842 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12843 folded_casts argument.
12844 (simple_iv): Pass base and step in a structure. Set no_overflow
12846 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12847 Evaluate expensiveness of computing # of iterations instead of
12848 the final expression.
12849 * tree-scalar-evolution.h (affine_iv): New structure.
12850 (simple_iv): Declaration changed.
12851 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12852 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12853 find_givs_in_stmt): Changed due to simple_iv change.
12855 2006-01-06 Jeff Law <law@redhat.com>
12858 * tree-cfg.c (bsi_replace): Rename final argument from
12859 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12860 change (stmt -> orig_stmt).
12861 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12862 (bsi_remove): Add new argument. Remove EH information
12864 (verify_eh_throw_table_statements): New function.
12865 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12867 * tree-optimize.c (execute_free_cfg_annotations): Verify
12868 the EH throw statement table after removing annotations.
12869 * except.h (verify_eh_throw_table_statements): Prototype.
12870 * tree-flow.h (bsi_remove): Update prototype.
12871 * tree-vrp.c (remove_range_assertions): Add new argument to
12873 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12874 * tree-complex.c (expand_complex_div_wide): Likewise.
12875 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12876 * tree-tailcall.c (eliminate_tailcall): Likewise.
12877 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12878 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12879 * tree-nrv.c (tree_nrv): Likewise.
12880 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12881 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12882 (combine_blocks): Likewise.
12883 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12884 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12885 (cleanup_control_flow): Likewise.
12886 (remove_forwarder_block): Likewise.
12887 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12888 * tree-sra.c (sra_replace): Likewise.
12889 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12890 (forward_propagate_single_use_vars): Likewise.
12891 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12892 * tree-inline.c (expand_call_inline): Likewise.
12893 * tree-vect-transform.c (vect_transform_loop): Likewise.
12894 * tree-outof-ssa.c (rewrite_trees): Likewise.
12895 * tree-cfg.c (make_goto_expr_edges): Likewise.
12896 (cleanup_dead_labels): Likewise.
12897 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12898 (bsi_move_before, bsi_move_after): Likewise.
12899 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12900 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12902 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12905 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12907 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12908 on non gimple variables. Also add checks at the top for decls and
12910 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12912 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12913 and IMAGPART_EXPR for creating MUST_DEFs.
12914 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12915 and NAME_MEMORY_TAG separately from the DECLs.
12917 2006-01-06 Richard Guenther <rguenther@suse.de>
12919 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12920 annotation, if necessary.
12921 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12922 redundant calls to update_stmt.
12923 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12926 2006-01-05 Richard Henderson <rth@redhat.com>
12928 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12930 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12932 * c-typeck.c: Update copyright date.
12934 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12936 * c-typeck.c (build_c_cast): Always warn when casting
12937 from a pointer to an integer of different size, even if
12938 the node was constant.
12940 2006-01-05 Richard Guenther <rguenther@suse.de>
12942 PR tree-optimization/22555
12943 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12944 if one structure field is an array.
12945 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12946 operands even if we found a subvar, but ignore VOPs in this
12948 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12950 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12952 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12954 PR middle-end/24998
12955 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12957 2006-01-05 Richard Guenther <rguenther@suse.de>
12958 Diego Novillo <dnovillo@redhat.com>
12960 * tree-pass.h (TODO_remove_unused_locals): Define.
12961 * gimple-low.c (expand_var_p, remove_useless_vars,
12962 pass_remove_useless_vars): Remove. Update all users.
12963 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12964 (remove_unused_locals): New function.
12965 * tree-flow.h (remove_unused_locals): Declare.
12966 * passes.c (execute_todo): Call remove_unused_locals if
12967 TODO_remove_unused_locals is set.
12968 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12969 * tree-ssa-dce.c (pass_dce): Likewise.
12970 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12972 2006-01-05 Richard Guenther <rguenther@suse.de>
12974 * tree-flow.h (struct fieldoff): Decompose field to
12975 type, size and decl.
12976 * tree-ssa-alias.c (create_sft): Take type as parameter.
12977 (create_overlap_variables_for): Store type, size and decl
12978 in the fieldoff structure.
12979 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12980 of struct fieldoff.
12981 (push_fields_onto_fieldstack): Likewise.
12982 (create_variable_info_for): Likewise. Use offset for the
12983 SFT name if the decl is not available.
12985 2006-01-04 Paul Brook <paul@codesourcery.com>
12987 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12989 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12991 * lambda-code.c (can_put_in_inner_loop): Relax
12993 (can_put_after_inner_loop): New function.
12994 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12995 (perfect_nestify): Change to make copies and modify uses.
12997 2006-01-04 Richard Henderson <rth@redhat.com>
12999 Merge from gomp branch:
13000 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13001 via integer constant.
13002 (pragma_lex): Remove.
13003 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13004 rather than parsing it.
13005 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13006 handle_pragma_extern_prefix): Add %< %> quotes.
13007 (registered_pragmas): New.
13008 (c_register_pragma_1): New.
13009 (c_register_pragma): Use it.
13010 (c_register_pragma_with_expansion): Likewise.
13011 (c_invoke_pragma_handler): New.
13012 (init_pragma): Use cpp_register_deferred_pragma directly for
13014 * c-pragma.h (enum pragma_kind): New.
13015 (pragma_handler): New.
13016 (c_invoke_pragma_handler): Declare.
13017 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13019 * c-common.h (c_common_pch_pragma): Update decl.
13020 * Makefile.in (c-parser.o): Update dependencies.
13021 (GTFILES): Add c-pragma.h.
13022 * c-parser.c (struct c_token): Add pragma_kind.
13023 (struct c_parser): Add in_pragma.
13024 (c_lex_one_token): Always initialize keyword and pragma_kind.
13025 Extract data for CPP_PRAGMA.
13026 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13027 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13028 Don't allow CPP_PRAGMA_EOL if in_pragma.
13029 (c_parser_consume_pragma): New.
13030 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13031 (c_parser_skip_to_end_of_parameter): Likewise.
13032 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13033 (c_parser_skip_to_pragma_eol): New.
13034 (c_parser_external_declaration): Handle CPP_PRAGMA.
13035 (c_parser_compound_statement_nostart): Likewise.
13036 (c_parser_statement_after_labels): Likewise.
13037 (c_parser_pragma): New.
13038 (pragma_lex): Likewise.
13039 (c_parser_pragma_pch_preprocess): New.
13040 (c_parser_new): Merge into ...
13041 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13043 2006-01-04 Jeff Law <law@redhat.com>
13046 * tree-cfg.c (bsi_replace): Remove the original statement
13047 from the EH throw statement table.
13049 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13051 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13052 make the prototype extern "C" and add throw ().
13055 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13056 and pos non-negative and pos + len <= 32.
13057 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13058 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13059 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13062 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13063 as well as sizes not multiple of component size.
13066 * function.c (instantiate_expr): New function.
13067 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13068 walk its DECL_VALUE_EXPR with instantiate_expr.
13070 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13071 DW_OP_deref{,_size} if address isn't going to be added.
13073 2006-01-04 Ben Elliston <bje@au.ibm.com>
13075 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13076 * config/fp-bit.c: Likewise.
13078 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13080 * dominance.c: Add comment about why we use DFS numbering
13083 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13084 Richard Henderson <rth@redhat.com>
13086 Merge from gomp-branch:
13087 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13088 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13090 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13092 PR rtl-optimization/25578
13093 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13094 pass a parameter to simplify_shift_const if changing ASHIFTRT
13097 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13099 * builtins.c (get_builtin_sync_mem): New function.
13100 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13101 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13102 Call get_builtin_sync_mem to generate mem rtx.
13104 2006-01-03 Richard Guenther <rguenther@suse.de>
13107 * stmt.c (add_case_node): Make sure to clear overflow flags
13110 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13112 Merge from gomp-branch.
13113 * config/sparc/sync.md: New file.
13114 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13115 UNSPECV_LDSTUB): New constants.
13116 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13117 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13118 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13121 2006-01-03 Roger Sayle <roger@eyesopen.com>
13123 * combine.c (reg_subword_p): New predicate to test whether the
13124 destination of a set refers to a subword/piece of a register.
13125 (try_combine): Generalize the code to merge the setting of a
13126 pseudo to a constant followed by a set of a subword of that
13127 register to a constant.
13129 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13131 * basic-block.h (control_flow_graph): Change the type of
13132 x_label_to_block_map to VEC(basic_block,gc) *.
13133 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13134 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13136 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13137 VEC(basic_block,heap) *.
13138 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13139 ssa_prop_fini): Adjust the uses of cfg_blocks.
13141 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13143 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13145 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13146 hashing trees instead of a pointer hash.
13147 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13148 compare for MEM_EXPR.
13150 PR rtl-optimization/25130
13151 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13152 when comparing MEMs for GCSE
13154 2006-01-03 Ben Elliston <bje@au.ibm.com>
13156 * targhooks.h (default_decimal_float_supported_p): Declare.
13157 * targhooks.c (default_decimal_float_supported_p): Define.
13158 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13159 `default_decimal_float_supported_p'.
13160 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13162 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13164 * combine.c (apply_distributive_law <SUBREG>): Check
13165 TRULY_NOOP_TRUNCATION.
13167 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13169 * dwarf2out.c (have_switched_text_section): Delete.
13170 (have_multiple_function_sections): New.
13171 (have_location_lists): Make 'bool'.
13172 (add_AT_loc_list): Use 'true' not '1'.
13173 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13174 (output_loc_list): Use have_multiple_function_sections.
13175 (output_ranges): Likewise.
13176 (dwarf2out_begin_function): Set have_multiple_function_sections if
13178 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13179 Check function_section rather than DECL_SECTION_NAME.
13180 (dwarf2out_finish): Use have_multiple_function_sections.
13181 Don't clear have_location_lists.
13183 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13184 Jan Hubicka <jh@suse.cz>
13186 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13187 case of conditional jump jumping to the next instruction.
13188 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13189 cases of conditional jump jumping to the next instruction.
13191 2006-01-02 Jan Hubicka <jh@suse.cz>
13193 * i386.c (*_cost): Add COSTS_N_INSNS.
13194 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13196 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13199 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13201 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13203 * config/arm/arm.c (all_fpus): Fix comment typo.
13204 * config/darwin.c: Likewise.
13205 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13206 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13207 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13209 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13211 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13212 (rs6000_split_compare_and_swapqhi): New.
13213 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13214 (sync_compare_and_swapqhi_internal): New.
13215 * config/rs6000/rs6000-protos.h: Declare.