1 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4 * stor-layout.c (place_field): Take the bit field with
5 an excessive size into account in the ms-bitfiled case.
8 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9 the previous bit field.
11 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
14 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
16 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
18 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
19 signal frames correctly even when the signal was installed with
22 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
25 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
26 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
27 (dbxout_source_line): Use local label LFBB.
28 (dbxout_block): Likewise.
29 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
30 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
31 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
34 2006-07-13 Janis Johnson <janis187@us.ibm.com>
36 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
38 2006-07-13 Jan Hubicka <jh@suse.cz>
40 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
42 * output.h (align_variable): Declare.
43 * varasm.c (align_variable): Export.
44 * value-prof.c (tree_value_profile_transformations): Recompute iterator
45 when basic block changed.
47 2006-07-13 Nick Clifton <nickc@redhat.com>
49 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
50 walking the LOG_LINKS chain.
52 2006-07-12 Geoffrey Keating <geoffk@apple.com>
54 * doc/invoke.texi (C++ Dialect Options): Explain difference
55 between -fvisibility-inlines-hidden and setting hidden
56 visibility explicitly.
58 2006-07-12 Eric Christopher <echristo@apple.com>
60 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
61 (stmp-lipo): Depend on libgcc.a.
63 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
65 * tree.c: Fix a comment typo.
67 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
69 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
71 (umulhisi3_r): Likewise.
73 2006-07-12 Paolo Carlini <pcarlini@suse.de>
76 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
77 x < 19, vs wchar_t support.
79 2006-07-12 Nick Clifton <nickc@redhat.com>
81 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
84 2006-07-12 Mike Stump <mrs@apple.com>
87 * c-parser.c (c_parser_typeof_specifier): Don't use
88 c_finish_expr_stmt, open code desired semantics instead.
90 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
92 2006-07-10 Eric Christopher <echristo@apple.com>
94 * config/t-slibgcc-darwin: Rewrite.
96 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
99 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
102 2006-07-08 Matthias Klose <doko@debian.org>
104 * doc/sourcebuild.texi: Fix typo.
106 2006-07-07 Mike Stump <mrs@apple.com>
108 * toplev.c (process_options): Don't give -ffunction-sections may
109 affect debugging warning for Mach-O.
111 2006-07-07 James E Wilson <wilson@specifix.com>
113 * config/mips/mips.md (cpu): Add sb1a.
114 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
115 addition to sb1. Adjust comments to clarify SB-1A differences from
117 (ir_sb1a_load): New. Modify bypasses to use it.
118 (ir_sb1a_simple_alu): Likewise.
119 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
120 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
121 (mips_issue_rate): Add PROCESSOR_SB1A.
122 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
123 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
124 (TARGET_SB1): Add PROCESSOR_SB1A check.
125 (TUNE_SB1): Likewise.
127 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
128 * config/mips/mips.c (mips_store_data_bypass_p): New.
129 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
132 2006-07-08 Paul Brook <paul@codesourcery.com>
135 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
137 2006-07-07 Richard Guenther <rguenther@suse.de>
140 * tree.h (build_one_cst): Declare.
141 * tree.c (build_one_cst): New function.
142 * tree-ssa-math-opts.c (get_constant_one): Remove.
143 (insert_reciprocals): Use build_one_cst.
144 * fold-const.c (fold_plusminus_mult): Likewise.
146 2006-07-07 Roger Sayle <roger@eyesopen.com>
148 * pointer-set.c (pointer_set_destroy): Correct whitespace.
149 * cfgloopanal.c (dump_graph): Likewise.
150 * dojump.c (discard_pending_stack_adjust): Likewise.
151 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
153 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
154 * function.c (finalize_block_changes): Likewise.
155 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
156 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
157 * rtl.c (dump_rtx_statistics): Likewise.
158 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
160 * varray.c (dump_varray_statistics): Likewise.
161 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
162 decode_decimal64, encode_decimal128, decode_decimal128,
163 decimal_real_to_decimal): Likewise.
165 2006-07-07 Richard Guenther <rguenther@suse.de>
167 PR tree-optimization/28187
168 * tree-vrp.c (vrp_operand_equal_p): New function.
169 (vrp_bitmap_equal_p): Likewise.
170 (update_value_range): Use them to compare old and new
173 2006-07-06 Roger Sayle <roger@eyesopen.com>
175 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
176 a default case to switch statement to silence compiler warnings.
178 2006-07-06 Roger Sayle <roger@eyesopen.com>
181 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
182 the configured assembler supports the x87's ffreep mnemonic.
183 * configure: Regenerate.
184 * config.in: Regenerate.
186 * config/i386/i386.c (output_387_ffreep): New function.
187 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
188 (output_387_reg_move): Likewise.
190 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
192 Port to hosts whose 'sort' and 'tail' implementations
193 treat operands with leading '+' as file names, as POSIX
194 has required since 2001. However, make sure the code still
195 works on pre-POSIX hosts.
196 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
197 which says you should use "tail -c +N" rather than "tail +Nc".
198 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
200 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
202 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
205 2006-07-06 David Edelsohn <edelsohn@gnu.org>
208 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
209 PRE_{INC,DEC} of TFmode.
211 2006-07-06 David Edelsohn <edelsohn@gnu.org>
212 Alan Modra <amodra@bigpond.net.au>
215 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
218 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
221 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
222 Remove duplicate gtu.
224 2006-07-05 Jason Merrill <jason@redhat.com>
228 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
229 * c-common.c (handle_packed_attribute): So don't copy it here.
230 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
232 2006-07-05 Mike Stump <mrs@apple.com>
234 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
236 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
239 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
241 2006-07-05 Richard Guenther <rguenther@suse.de>
244 * config/i386/i386.md (*negdf2_1): Restrict pattern to
245 TARGET_SSE2 targets if using SSE math.
246 (*absdf2_1): Likewise.
248 2006-07-05 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/28162
251 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
252 make sure to convert the operands to the correct type.
254 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
256 PR tree-optimization/28218
258 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
259 to calculate and free the dominator information.
261 2006-07-04 Peter O'Gorman <peter@pogma.com>
263 * mklibgcc.in: chmod 644 before ranlib during install.
265 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
266 J"orn Rennecke <joern.rennecke@st.com>
268 * configure.ac (.eh_frame data check): Use diff -b.
270 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
273 * Makefile.in (BUILD_RTL): Add build/vec.o.
274 (build/gencondmd.o): Filter out -fkeep-inline-functions.
275 (build/genextract): Delete.
276 (build/genautomata): Likewise.
278 2006-07-04 Alan Modra <amodra@bigpond.net.au>
281 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
282 128-bit IBM long doubles for ABI_V4.
284 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
286 * tree.c (range_in_array_bounds_p): New predicate.
287 * tree.h (range_in_array_bounds_p): Declare it.
288 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
289 return a less conservative answer.
290 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
292 (IS_ELEMENT_FOR_GROUP): New macro.
293 (FOR_EACH_ACTUAL_CHILD): Likewise.
294 (next_child_for_group): New helper function.
295 (can_completely_scalarize_p): Take into account groups.
296 (sra_hash_tree): Handle RANGE_EXPR.
297 (sra_elt_eq): Likewise.
298 (lookup_element): Be prepared for handling groups.
299 (is_valid_const_index): Delete.
300 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
301 instead of is_valid_const_index.
302 <ARRAY_RANGE_REF>: New case.
303 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
304 is_valid_const_index.
305 <ARRAY_RANGE_REF>: Do not unconditionally punt.
306 (scan_dump): Dump info for groups too.
307 (decide_instantiation_1): Likewise.
308 (decide_block_copy): Assert that the element is not a group.
309 Propagate decision to groups.
310 (generate_one_element_ref): Handle RANGE_EXPR.
311 (mark_no_warning): Iterate over actual childs.
312 (generate_copy_inout): Likewise.
313 (generate_element_copy): Likewise.
314 (generate_element_zero): Likewise.
315 (generate_element_init_1): Likewise.
316 (dump_sra_elt_name): Handle RANGE_EXPR.
318 2006-07-03 Roger Sayle <roger@eyesopen.com>
320 PR tree-optimization/26251
321 * tree-ssa-threadupdate.c (redirection_block_p): New function.
322 (thread_block): When optimizing for size refuse to thread jumps
323 that would require duplication of blocks other than redirection
326 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
328 * configure.ac: Fix thinko in previous check-in.
329 * configure: Regenerate.
331 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
334 * configure.ac (for lang...): Simplify nesting of conditionals.
335 Test subdir_requires for non-enabled languages. Move processing
336 of lang_opt_files and lang_tree_fiels below that test.
337 * configure: Regenerate.
338 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
340 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
342 * doc/gcov.texi (Invoking Gcov): Add a missing word.
344 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
346 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
349 2006-06-29 Jason Merrill <jason@redhat.com>
356 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
357 * c-common.c (c_determine_visibility): Handle it here.
358 * c-decl.c (finish_decl): Call c_determine_visibility for
360 * flags.h (enum symbol_visibility): Sort from most to least visibility.
362 * varasm.c (default_assemble_visibility): Likewise.
363 * c-common.c (handle_visibility_attribute): Complain about trying
364 to give visibility to an already defined class, or trying to change
365 declared visibility. Always attach the attribute.
370 * attribs.c (decl_attributes): Ignore type-in-place attributes
371 once the type has been defined.
373 2006-06-29 Roger Sayle <roger@eyesopen.com>
376 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
377 to indicate the cpplib has issued an error message for us.
379 2006-06-29 Asher Langton <langton2@llnl.gov>
382 * config/i386/i386.c (ix86_output_function_epilogue): Don't
383 insert a label at the end of an function under Mach-O.
385 2006-06-29 Eric Christopher <echristo@apple.com>
386 Evan Cheng <evan.cheng@apple.com>
388 * predicates.md (vector_all_ones_operand): New.
389 (nonimmediate_or_sse_const_operand): Ditto.
390 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
391 * config/i386/i386.c (standard_sse_constant_opcode): Define.
392 (standard_sse_mode_p): Ditto.
393 (standard_sse_constant_p): Add case for -1 vector.
394 (ix86_expand_vector_move): Try to use.
395 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
396 Call standard_sse_constant_opcode.
397 (*movv4sf_internal): Ditto.
398 (*movv2df_internal): Ditto.
400 2006-06-29 Roger Sayle <roger@eyesopen.com>
402 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
403 of XEXP to extract the operands of a MATCH_CODE rtx.
405 2006-06-28 Andrew Pinski <pinskia@gmail.com>
407 * tree.c (tree_size): Do not waste tail padding in
408 struct tree_string and make the size be the same as
409 build_string will generate.
411 2006-06-28 Jason Merrill <jason@redhat.com>
414 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
415 may_aliases already in the tag's annotations to the bitmap.
417 2006-06-28 Roger Sayle <roger@eyesopen.com>
419 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
421 2006-06-28 Roger Sayle <roger@eyesopen.com>
423 * genpreds.c (generate_switch_p): New function.
424 (add_mode_tests): Push the new mode test down inside an AND expr
425 if this allows the switch-suitable MATCH_CODE to be near the root.
426 (write_match_code_switch): New function to write a MATCH_CODE as
428 (write_predicate_stmts): New function to write a predicate RTX
429 expression as a sequence of statements.
430 (write_one_predicate_function): Use write_predicate_stmts.
431 (write_tm_constrs_h): Likewise.
433 2006-06-26 Fred Fish <fnf@specifix.com>
435 * config/mips/t-sb1: New file.
436 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
439 2006-06-26 DJ Delorie <dj@redhat.com>
441 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
443 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
444 Jayant Sonar <jayants@kpitcummins.com>
445 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
447 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
448 (subsi3, subsi3_1, subsi3_2): New.
449 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
450 * config/m32c/mov.md (SI mov peephole): New.
451 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
452 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
454 2006-06-26 Olivier Hainque <hainque@adacore.com>
456 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
457 a CALL_EXPR target function declaration.
459 2006-06-26 Richard Guenther <rguenther@suse.de>
461 * tree.c (build_string): Do not waste tail padding in
464 2006-06-26 Richard Guenther <rguenther@suse.de>
466 * ggc-page.c (init_ggc): Add missing element to size_lookup
470 2006-06-23 Richard Guenther <rguenther@suse.de>
472 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
473 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
474 alignment requests instead. Add verification code.
475 Add struct tree_function_decl and struct tree_binfo size to
476 extra_order_size_table. Add missing element to size_lookup
479 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
482 * fold-const.c (const_binop): Be prepared for self returning zero.
483 Simplify code handling complex values.
485 2006-06-24 Olivier Hainque <hainque@adacore.com>
487 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
488 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
491 2006-06-24 Olivier Hainque <hainque@adacore.com>
493 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
494 ARRAY_REF, so have the callback called for the low bound expression.
496 2006-06-23 Janis Johnson <janis187@us.ibm.com>
498 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
499 * c-typeck.c (c_common_type): Disallow operations on decimal float
500 types and other float types.
501 * convert.c (convert_to_real): Don't ignore conversions involving
504 2006-06-23 Olivier Hainque <hainque@adacore.com>
506 * tree.c (max_int_size_in_bytes): New function, inspired from
507 code in function.c:assign_temp.
508 * tree.h (max_int_size_in_bytes): Declare.
509 * function.c (assign_temp): Use it.
510 * gimplify.c (create_tmp_var): Relax the assertions on the type
511 properties, not mandating constant size any more.
512 (force_constant_size): New static function.
513 (gimple_add_tmp_var): Use it, forcing variable size to a
514 constant upper bound if it is not constant on entry.
516 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
519 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
520 for initialization and setting of one_only flag to ...
521 (i386_pe_encode_section_info): ...here.
522 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
523 Recheck that the symbol has not been defined.
525 2006-06-23 Richard Guenther <rguenther@suse.de>
527 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
528 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
529 alignment requests instead. Add verification code.
530 Add struct tree_function_decl and struct tree_binfo size to
531 extra_order_size_table. Add missing element to size_lookup
534 2006-06-22 Roger Sayle <roger@eyesopen.com>
535 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
538 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
539 call to lang_hooks.types.type_for_mode returned NULL_TREE.
541 2006-06-23 Ben Elliston <bje@au.ibm.com>
543 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
544 negate dn -- manipulate it directly.
546 2006-06-22 Roger Sayle <roger@eyesopen.com>
547 Steven Bosscher <stevenb.gcc@gmail.com>
550 * reload1.c (gen_reload): Call mark_jump_label on the new insns
551 generated by gen_move_insn to add REG_LABEL notes if necessary.
553 2006-06-22 Bob Wilson <bob.wilson@acm.org>
555 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
556 (leaf_entry): Remove use of MIN_ESA.
558 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
560 PR rtl-optimization/28121
561 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
564 2006-06-21 DJ Delorie <dj@redhat.com>
566 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
568 (mulhisi3_r): Likewise.
570 2006-06-21 Richard Sandiford <richard@codesourcery.com>
573 * coverage.c (coverage_counter_alloc): Leave the index type
575 (coverage_counter_alloc): Use null arguments for operands 2 and 3
578 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
580 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
581 section from the "Options for Code Generation Conventions".
583 2006-06-21 Richard Henderson <rth@redhat.com>
587 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
589 (global_symbolic_operand): Allow weak symbols, even if local_p.
591 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
593 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
594 (find_interesting_uses_address): Punt if above function returns true.
596 2006-06-21 Richard Guenther <rguenther@suse.de>
598 * configure: Regenerated.
600 2006-06-21 Joseph Myers <joseph@codesourcery.com>
602 * config/mips/mips.c (function_arg): Where one part of a
603 complex argument is in registers and the other part in the stack,
604 return a REG not a PARALLEL.
606 2006-06-21 Mark Mitchell <mark@codesourcery.com>
608 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
609 when cross-compiling. Do not substitute libstdcxx_incdir.
610 * configure: Regenerated.
612 2006-06-21 Jakub Jelinek <jakub@redhat.com>
614 * varasm.c (mergeable_string_section): Check for embedded NULs and
615 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
616 rather than TREE_STRING_LENGTH bytes.
618 2006-06-21 Richard Guenther <rguenther@suse.de>
620 * ggc-page.c (extra_order_size_table): Add var_ann_d,
621 tree_ssa_name, bitmap_element and phi_node with 4 arguments
624 2006-06-21 Richrad Guenther <rguenther@suse.de>
626 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
627 Limit iteration over the dominators.
629 2006-06-20 Roger Sayle <roger@eyesopen.com>
631 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
632 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
634 2006-06-20 Richard Guenther <rguenther@suse.de>
635 Michael Matz <matz@suse.de>
637 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
639 * alloc-pool.c (free_alloc_pool_if_empty): New function.
640 * et-forest.h (et_free_pools): Prototype new function.
641 * et-forest.c (et_free_tree_force): Free parent occurrence.
642 (et_free_pools): New function.
643 * dominance.c (free_dominance_info): Free et-forest alloc
646 2006-06-20 Roger Sayle <roger@eyesopen.com>
648 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
649 integer modes, attempt to directly construct an integer constant.
651 * fold-const.c (native_encode_vector): Determine the size of each
652 element from the vector type instead of the first vector element.
654 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
655 if all of its elements/components are constant.
656 (build_constructor_from_list): Likewise.
658 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
660 PR tree-optimization/27331
661 * tree-data-ref.c (free_data_ref): New function.
662 (create_data_ref): Fail if the data reference has unknown access
664 (free_data_refs): Use free_data_ref.
666 2006-06-19 Andrew Pinski <pinskia@gmail.com>
669 * tree-inline.c (setup_one_parameter): Strip useless
670 type conversion before adding it to the IR.
671 (declare_return_variable): Likewise.
673 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
676 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
678 2006-06-19 Mike Stump <mrs@apple.com>
680 * tree.c (variably_modified_type_p): VM arguments don't make the
683 2006-06-19 Richard Guenther <rguenther@suse.de>
685 * tree-ssa-pre.c (try_combine_conversion): Strip useless
686 type conversions after folding.
688 2006-06-19 Richard Guenther <rguenther@suse.de>
690 * ggc-page.c (extra_order_size_tab): Add entries with
691 size of struct function and basic_block.
692 (size_lookup): Extend to cover sizes up to 511.
693 (ggc_alloc_stat): Adjust user.
694 (ggc_pch_count_object): Likewise.
695 (ggc_pch_alloc_object): Likewise.
696 (ggc_pch_write_object): Likewise.
698 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
700 * tree-ssa-loop-niter.c (implies_ge_p): New function.
701 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
704 2006-06-19 Denis Chertykov <denisc@overta.ru>
706 * config/avr/libgcc.S : Correct my wrong previous commit.
708 2006-06-19 Roger Sayle <roger@eyesopen.com>
711 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
712 have stripped a SUBREG from the shift count, so we may need to
713 convert_to_mode back to the type's mode before calling make_tree.
714 Use new_amount instead of amount to avoid expanding a tree twice.
716 2006-06-19 Richard Guenther <rguenther@suse.de>
719 * fold-const.c (operand_equal_p): Check if the argument types
720 have the same precision before stripping NOPs.
722 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
724 Fix PR tree-optimization/27341
725 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
727 * tree-complex.c (pass_lower_complex): Update SMT usage.
729 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
731 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
732 Add a new alternative to the constraint strings. Add move of
733 operand 1 to 3 to the splitter definition.
734 ("doloop_si_long"): Second contraint alternative removed.
736 2006-06-08 Anatoly Sokolov <aesok@post.ru>
738 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
739 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
741 (AVR_HAVE_MOVW) Define.
742 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
743 (ASM_SPEC): Add avr25.
744 (LINK_SPEC): Add avr25.
745 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
746 (base_arch_s): Add new member 'have_movw_lpmx'.
747 (avr_arch_types): Init 'have_movw_lpmx'.
748 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
749 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
750 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
751 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
752 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
754 (avr_file_start): Do not output '.arh' derective.
755 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
756 (__do_copy_data): Use __AVR_HAVE_LPMX__.
757 * config/avr/avr.md (mcu_enhanced): Delete.
758 (mcu_have_movw): Define.
759 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
760 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
761 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
762 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
763 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
764 attiny861 and at86rf401 devices.
766 2006-06-18 Jie Zhang <jie.zhang@analog.com>
768 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
771 2006-06-17 Karl Berry <karl@gnu.org>
773 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
774 doc/gccint.texi, doc/install.texi (@dircategory): Use
775 "Software development" instead of "Programming", following
776 the Free Software Directory.
778 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
780 * config/i386/i386.c (legitimate_tls_address)
781 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
782 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
783 (*tls_dynamic_gnu2_combine_64): Likewise.
785 2006-06-16 Richard Guenther <rguenther@suse.de>
788 * fold-const.c (negate_expr_p): Do not introduce undefined
789 overflow in negating INTEGER_CSTs.
790 (fold_negate_expr): Rename from negate_expr. Revert last
791 change for folding BIT_NOT_EXPR. Change semantics to
792 return NULL_TREE for non-simplified negations. Do not
793 strip type conversions and unify type handling.
794 (negate_expr): New function, wrap around fold_negate_expr
795 but ensure building a tree always. Strip type conversions
796 here, fold to result type.
797 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
799 2006-06-16 Roger Sayle <roger@eyesopen.com>
802 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
803 that (would) return their results in stack registers.
805 2006-06-16 Michael Matz <matz@suse.de>
806 Richard Guenther <rguenther@suse.de>
808 * fold-const.c (fold_truthop): Only return new tree node if
809 we canonicalized something.
811 2006-06-16 Richard Guenther <rguenther@suse.de>
813 * function.h (enum function_frequency): Move declaration
814 out of struct function.
815 (struct function): Move bool fields and the enum to the bitfield
816 section. Reorder elements to avoid padding. Remove unused
817 fields left over from the RTL inliner removal.
818 * function.c (free_after_compilation): Do not zero removed fields.
819 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
820 (ipa-type-escape.o): Likewise.
822 2006-06-16 Richard Guenther <rguenther@suse.de>
824 * cgraph.h (struct cgraph_local_info): Turn bool elements
826 (struct cgraph_node): Likewise.
827 (struct cgraph_varpool_node): Likewise.
829 2006-06-15 Richard Guenther <rguenther@suse.de>
831 * fold-const.c (fold_truth_not_expr): Rename from
832 invert_truthvalue. Give it fold_* semantics to avoid
834 (invert_truthvalue): New function. Wrapper around
836 (optimize_minmax_comparison): Avoid creating garbage.
837 (fold_unary): Use fold_truth_not_expr for folding
839 (fold_ternary): Replace uses of invert_truthvalue with
840 fold_truth_not_expr where applicable.
841 * tree.h (fold_truth_not_expr): Prototype.
843 2006-06-16 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/27781
846 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
847 * ipa-pure-const.c (target.h): Include.
848 (analyze_function): Do not analyze functions that do not
851 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
854 * tree-dfa.c (referenced_vars_dup_list): Remove.
855 (find_referenced_vars): Remove assert.
856 (referenced_var_check_and_insert): Replace dup list with assert.
857 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
858 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
860 2006-06-15 Richard Guenther <rguenther@suse.de>
862 * tree-ssa-structalias.c (alias_get_name): Avoid creating
863 extra unused identifiers if not dumping.
864 (create_variable_info_for): Likewise.
866 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
868 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
869 (derive_constant_upper_bound): Derive more precise upper bound in
870 common cases. Return type changed to double_int.
871 (record_estimate): Reflect the changed return type of
872 derive_constant_upper_bound.
873 * double-int.c (double_int_zext, double_int_sext): Fix.
875 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
877 * configure.ac (CFLAGS): Get them from the toplevel or from the
878 configure invocation.
879 * configure: Regenerate.
880 * Makefile.in (CFLAGS): Substitute value provided by configure.
882 2006-06-14 Mark Mitchell <mark@codesourcery.com>
885 * c-common.h (c_finish_omp_atomic): Adjust declaration.
886 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
887 rather than calling add_stmt on it.
888 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
890 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
893 * reload1.c (reload): Remove registers returned by update_eliminables
894 from used_spill_regs.
896 2006-06-13 DJ Delorie <dj@redhat.com>
898 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
900 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
902 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
903 html__strip_dir, html__mkdir_p. Enhance install-html target.
904 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
905 * configure: Regenerate.
907 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
909 * fold-const.c (fold_cond_expr_with_comparison): Check for
910 Objective-C++ as language in deciding COND_EXPR transformation.
912 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
915 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
916 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
917 * config/sh/lib1funcs.h (SL, SL1): Define.
918 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
919 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
920 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
921 (OBJS_Os_4_200): New variable.
922 ($(T)libgcc-Os-4-200.a): Use it.
923 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
924 when dividing 1 and/or by 0.
926 2006-06-13 Roger Sayle <roger@eyesopen.com>
928 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
929 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
930 * configure: Regenerate.
932 2006-06-13 Jie Zhang <jie.zhang@analog.com>
934 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
935 for real instruction.
937 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
940 * haifa-sched.c (check_cfg): Handle special case.
942 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
945 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
946 Add debug_info parameter. Chain the vars to the BLOCK instead
947 of the BIND_EXPR if debug info are requested for them.
948 (pop_gimplify_context): Adjust for above change.
949 (gimple_add_tmp_var): Likewise.
950 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
952 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
953 (convert_local_reference): Likewise.
954 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
955 (finalize_nesting_tree_1): Request that debug info be emitted
958 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
960 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
963 2006-06-13 Richard Guenther <rguenther@suse.de>
966 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
968 2006-06-13 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/27830
971 * tree-inline.c (copy_body_r): For copying the operand
972 of an ADDR_EXPR make sure to fold &* afterwards.
974 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
976 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
977 lvalues in the fb_none case with side-effects.
979 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
981 * tree-flow.h: Remove the prototype for
982 compute_phi_arg_on_exit.
983 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
984 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
987 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
989 * builtins.c (expand_builtin_return_addr): Only use
990 frame_pointer_rtx when count == 0 and we are expanding
991 __builtin_return_address.
993 2006-06-12 Fred Fish <fnf@specifix.com>
995 * config/mips/mips.c (mips_file_start): Create special section
996 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
998 2006-06-11 Eric Christopher <echristo@apple.com>
1001 * stor-layout.c (place_field): Remove check for
1002 remaining_in_alignment when aligning at the end of a run.
1004 2006-06-11 Eric Christopher <echristo@apple.com>
1007 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1010 2006-06-11 Roger Sayle <roger@eyesopen.com>
1013 Revert incorrect fix for PR target/27158
1014 2006-05-08 Roger Sayle <roger@eyesopen.com>
1015 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1016 of a reg_equiv_constant if the result is a legitimate constant.
1018 2006-06-11 Roger Sayle <roger@eyesopen.com>
1021 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1022 extract a CONST_VECTOR element and interpret it as an integer.
1023 (vspltis_constant): Use const_vector_elt_as_int instead of the
1024 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1025 * config/rs6000/predicates.md (easy_vector_const): Consider
1026 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1028 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1031 * stor-layout.c (update_alignment_for_field): Don't add extra
1032 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1035 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1037 * config/mips/t-rtems: Add EL/EB multilib variants.
1039 2006-06-09 Mike Stump <mrs@apple.com>
1041 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1043 2006-06-09 David Daney <ddaney@avtrex.com>
1045 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1047 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1049 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1051 2006-06-09 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/26998
1054 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1055 of signed types, only TYPE_MIN_VALUE is special, but for both,
1056 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1057 in this case, as is -fwrapv.
1059 2006-06-08 Mike Stump <mrs@apple.com>
1062 * config/darwin.c (darwin_asm_output_anchor): Disable
1063 -fsection-anchors on darwin for now.
1064 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1065 * rs6000/rs6000.c (optimization_options): Likewise.
1067 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1070 * config/i386/i386.c (classify_argument): Skip fields with invalid
1073 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1075 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1076 (cse_insn): Likewise for the stack_pointer_rtx.
1078 2006-06-08 Roger Sayle <roger@eyesopen.com>
1080 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1081 conditions from floating point comparisons.
1083 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1086 * expmed.c (struct alg_hash_entry): Fix type of field T
1087 to match synth_mult argument.
1088 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1090 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1093 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1096 2006-06-08 Richard Guenther <rguenther@suse.de>
1099 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1100 only, if overflow is defined and not trapping.
1101 (negate_expr): Likewise.
1103 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1105 PR tree-optimization/27872
1106 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1107 flag on the new exit edge of the unrolled loop.
1109 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1111 PR rtl-optimization/26449
1112 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1114 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1117 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1118 referenced_variables with matching DECL_UID's.
1119 (find_referenced_vars): Make sure duplicate list is empty to start.
1120 (referenced_var_p): Remove.
1121 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1122 Check if var is in the list, and add if needed. Update the duplicate
1123 list if a different var is in the list with the same DECL_UID.
1124 (add_referenced_var): Call routine to check and insert.
1125 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1126 * tree-flow.h (referenced_vars_dup_list): External declaration.
1128 2006-06-07 Fred Fish <fnf@specifix.com>
1130 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1133 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1136 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1137 the imaginary and real parts of a clobbered register.
1138 Emit insn to set the imaginary part.
1140 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1142 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1143 in lieu of unwind-dw2-fde.c.
1145 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1147 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1149 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1152 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1153 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1154 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1155 V4SImode temporaries and operations instead.
1157 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1159 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1162 2006-06-06 Mike Stump <mrs@apple.com>
1164 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1165 installing during build.
1167 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1169 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1171 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1172 * config/ia64/ia64.c (params.h): New header.
1173 (ia64_optimization_options): New function to adjust parameters.
1174 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1175 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1176 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1178 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1180 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1182 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1185 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1187 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1188 Victor Kaplansky <victork@il.ibm.com>
1190 PR tree-optimization/26360
1191 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1194 2006-06-04 Roger Sayle <roger@eyesopen.com>
1195 Andrew Pinski <pinskia@physics.uc.edu>
1198 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1199 for LABEL_DECL before calling DECL_WEAK.
1202 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1203 LABEL_DECL and PARM_DECL.
1205 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1209 * c-decl.c (grokdeclarator): Disallow variably modified types at
1210 file scope. Avoid marking shared array type of constant size as
1213 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1216 * c-common.c (fold_offsetof_1): Handle static members.
1218 2006-06-04 Eric Christopher <echristo@apple.com>
1220 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1221 (debug_rli): Output value for remaining_in_alignment.
1222 (update_alignment_for_field): Unconditionalize
1223 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1224 extra alignment code.
1225 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1226 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1227 * tree.h (record_layout_info_s): Remove prev_packed.
1228 * doc/extend.texi (ms_struct): Add documentation of format.
1230 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1232 * tree.h: Declare folding_initializer.
1233 * builtins.c (fold_builtin_constant_p): Give definite answer
1234 if folding inside an initializer.
1235 * fold-const.c: Define folding_initializer.
1236 (START_FOLD_INIT): Save and then set folding_initializer.
1237 (END_FOLD_INIT): Restore folding_initializer.
1239 2006-06-04 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/27039
1242 * fold-const.c (fold_comparison): Handle pointer comparison
1243 again for all comparison codes. Compare offsets in signed
1245 (fold_binary): Move code from here.
1247 2006-06-03 Roger Sayle <roger@eyesopen.com>
1250 * config/i386/i386.c (construct_container): Split static issued_error
1251 flag into issued_sse_arg_error, issued_sse_ret_error and
1252 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1253 requires the use of x87 registers and the user explicitly
1254 specified the -mno-80387 command line option.
1256 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1258 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1259 HAVE_DECL_SIGALTSTACK.
1261 (segv_handler): Use MC_FLD.
1262 * configure.ac: Check for a sigaltstack declaration.
1263 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1264 * configure: Regenerate.
1265 * config.in: Regenerate.
1267 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1270 * Makefile.in (stmp-fixinc): Fix typo.
1272 2006-06-02 Roger Sayle <roger@eyesopen.com>
1274 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1275 are type correct. Clean-up.
1276 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1277 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1279 2006-06-01 DJ Delorie <dj@redhat.com>
1281 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1282 shift, as we've disabled the "switch" insn that needs it.
1284 2006-06-01 Per Bothner <bothner@bothner.com>
1286 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1287 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1288 * c-ppoutput.c (cb_define): Don't increment line 0.
1290 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1292 * doc/invoke.texi: Add cpu_type power6.
1293 * config.gcc: Add cpu_type power6.
1294 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1295 to power5+ with Altivec.
1296 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1297 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1299 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1301 * config/avr/avr.h (SET_ASM_OP): Define.
1303 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1305 * config/bfin/bfin.c: Fix comment typos.
1307 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1310 * doc/install.texi: Document --enable-bootstrap and
1311 --disable-bootstrap.
1313 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1315 * doc/install.texi: Document that InfoZIP can replace jar.
1317 2006-05-31 Roger Sayle <roger@eyesopen.com>
1319 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1320 isn't available, directly generate the simpler x87 patterns without
1321 the (use (const_int 0)).
1322 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1323 implementation isn't available.
1324 (*negdf2_1): Likewise.
1325 (*negxf2_1): XF mode negation is always done using the x87.
1326 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1328 2006-05-31 Roger Sayle <roger@eyesopen.com>
1330 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1331 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1333 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1335 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1337 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1338 * config/bfin/bfin.c (basic-block.h): Include.
1339 (struct machine_function): New.
1340 (bfin_init_machine_status): New.
1341 (override_options): Initialize init_machine_status.
1342 (bfin_hardware_loop): New.
1343 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1344 (DEF_VEC_P (loop_info)): New.
1345 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1346 (struct loop_info): New.
1347 (loop_info): New typedef.
1348 (struct loop_work): New.
1349 (loop_work): New typedef.
1350 (DEF_VEC_O (loop_work)): New.
1351 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1352 (bfin_dump_loops): New.
1353 (bfin_bb_in_loop): New.
1354 (bfin_scan_loop): New.
1355 (bfin_optimize_loop): New.
1356 (bfin_reorg_loops): New.
1357 (bfin_reorg): Use bfin_reorg_loops.
1358 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1360 (I_REGNO_P): Simplify.
1361 (DP_REGNO_P, DPREG_P): New macros.
1362 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1363 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1364 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1365 Add LT_REGS, LC_REGS, LB_REGS.
1366 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1368 (REGNO_REG_CLASS): Deal with loop registers.
1369 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1371 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1372 New constants for loop registers.
1373 (UNSPEC_LSETUP_END): New.
1374 (seq_insns): New define_attr. Set it for appropriate insns.
1375 (movsi_insn): Add alternatives for move from/to
1376 loop count registers.
1377 (doloop_end): New define_expand.
1378 (loop_end): New define_insn.
1379 (define_split for bad doloop_end): New.
1380 (lsetup_with_autoinit): New define_insn.
1381 (lsetup_without_autoinit): New define_insn.
1382 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1383 * config/bfin/predicates.md (lc_register_operand): New.
1384 (lt_register_operand): New.
1385 (lb_register_operand): New.
1386 (nondp_register_operand): New.
1387 (nondp_reg_or_memory_operand): New.
1388 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1390 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1392 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1393 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1395 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1397 * Makefile.in (CATALOGS): Add po/ prefix.
1398 * configure: Regenerated.
1400 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1403 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1404 a shift operand before calling shift_op. Avoid redundant call of
1407 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1408 DJ Delorie <dj@redhat.com>
1410 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1411 we're inserting is a singlt-bit constant.
1413 2006-05-30 Roger Sayle <roger@eyesopen.com>
1415 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1416 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1418 2006-05-30 Roger Sayle <roger@eyesopen.com>
1420 PR tree-optimization/23452
1421 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1422 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1423 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1424 complex values and with -ffast-math for FP complex values.
1426 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1428 * c-common.h: Remove the prototype for yyparse.
1429 * rtl.h: Remove the prototype for init_loop.
1431 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1433 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1436 2006-05-30 Roger Sayle <roger@eyesopen.com>
1438 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1440 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1441 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1443 2006-05-30 Dirk Mueller <dmueller@suse.de>
1446 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1447 for CONSTANT_CLASS_P expresisons.
1449 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1452 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1454 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1456 PR tree-optimization/27779
1457 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1458 initial_condition instead of CHREC_LEFT.
1460 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1462 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1463 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1464 Make prototypes ISO C90.
1466 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1467 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1469 * see.c (see_analyze_one_def): Correct check.
1470 (see_get_extension_data): Check if extension is parallel.
1471 (see_get_extension_reg): Likewise.
1473 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1476 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1477 into register for (code == GTU).
1479 2006-05-29 Roger Sayle <roger@eyesopen.com>
1481 PR tree-optimization/24964
1482 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1483 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1484 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1485 abs(x)*abs(x) as x*x for scalar floating point modes.
1487 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1490 * lambda-code.c (perfect_nestify): Don't copy statements
1491 in the inner loop: move them to the inner loop header.
1493 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1496 * c-tree.texi: Document OpenMP directives and clauses.
1498 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1500 * varasm.c (globalize_decl): Fix indentation.
1502 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1505 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1506 pass_fre, pass_store_ccp, pass_copy_prop,
1507 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1508 pass_return_slot, pass_object_size, pass_lim,
1509 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1510 pass_loop_prefetch and pass_stdarg.
1512 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1514 * config/bfin/bfin.opt (mfdpic): New option.
1515 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1516 (EXTRA_MULTILIB_PARTS): Likewise.
1517 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1518 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1520 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1521 (CRT_CALL_STATIC_FUNCTION): New.
1522 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1524 (CRT_CALL_STATIC_FUNCTION): New.
1525 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1527 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1528 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1529 (initialize_trampoline): Changed to handle FD-PIC code generation.
1530 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1531 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1532 (override_options): Disallow -mid-shared-library -mfdpic combination.
1533 Can't do unaligned ops if FD-PIC.
1534 Turn off flag_pic if trying to generate non-id-shared-library
1535 non-fdpic code, since it's not supported.
1536 (bfin_assemble_integer): New function.
1537 (TARGET_ASM_INTEGER): Define.
1538 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1540 * config/bfin/crtn.s: Restore them.
1541 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1543 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1544 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1545 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1546 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1547 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1549 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1550 FDPIC_REGS and FDPIC_FPTR_REGS.
1551 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1552 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1553 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1554 (load_funcdescsi): New pattern.
1555 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1556 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1557 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1559 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1561 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1564 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1566 * tree-flow.h: Remove the prototype for add_type_alias.
1567 * tree-ssa-alias.c (add_type_alias): Remove.
1569 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1571 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1572 config/fr30/fr30.md, config/i386/i386-interix.h,
1573 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1574 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1575 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1576 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1577 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1578 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1579 Follow spelling conventions.
1580 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1581 Follow spelling conventions.
1583 2006-05-27 Richard Guenther <rguenther@suse.de>
1586 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1587 to produce a constant of value 1 of generic type.
1589 2006-05-27 Dirk Mueller <dmueller@suse.de>
1591 * cgraphunit.c (decide_is_function_needed): Fix wrong
1594 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1596 PR rtl-optimization/27661
1597 * reload.c (find_reloads): When reloading a VOIDmode constant
1598 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1599 use Pmode as mode of the reload register.
1601 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1603 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1604 is enabled at -O and above.
1606 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1609 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1612 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1615 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1616 for anonymous variables explicitly declared by front ends.
1618 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1620 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1621 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1622 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1623 ref-all pointers, run a finalization pass for them.
1624 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1625 (finalize_ref_all_pointers): New function.
1626 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1627 regular pointer type to a ref-all pointer type.
1628 (get_tmt_for): Return the special memory tag for ref-all pointers.
1630 2006-05-25 Richard Guenther <rguenther@suse.de>
1633 * fold-const.c (fold_binary): Do not look at the stripped
1634 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1636 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1638 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1639 for LT and GT if the computed range is effectively empty.
1641 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1644 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1645 mips_quad_format formats instead of ieee_single_format,
1646 ieee_double_format and ieee_quad_format formats, respectively.
1648 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1650 PR tree-optimization/27639
1651 PR tree-optimization/26719
1652 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1653 call to scev_probably_wraps_p.
1654 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1655 used_in_pointer_arithmetic_p, convert_step): Removed.
1656 (nowrap_type_p): New function.
1657 (scev_probably_wraps_p): Rewritten.
1658 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1659 chrec_convert if chrec_convert_aggressive might have been used.
1660 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1661 scev_direction): New functions.
1662 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1663 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1664 instead of convert_step.
1665 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1666 (convert_step): Declaration removed.
1667 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1669 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1671 * df-core.c: Added to header comments.
1672 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1673 df_ur_bb_info, df_urec_bb_info): Added comments.
1674 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1675 urec, ri problems): Fixed header comments.
1676 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1677 code from df_rd_transfer_function.
1679 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1681 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1682 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1683 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1685 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1687 * expr.c (undefined_operand_subword_p): New.
1688 (emit_move_multi_word): Do not generate move from undefined bits
1689 of a paradoxical subreg.
1691 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1693 PR rtl-optimization/27736
1694 * combine.c (replaced_rhs_value): New variable.
1695 (combine_instructions): Set it.
1696 (distribute_notes): When distributing a note in replaced_rhs_insn,
1697 check whether the value was used in replaced_rhs_value.
1699 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1702 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1703 add_referenced_var instead of add_referenced_tmp_var.
1704 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1705 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1707 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1708 tree_optimize_tail_calls_1): Use add_referenced_var.
1709 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1710 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1711 Use add_referenced_var.
1712 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1713 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1714 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1715 Use add_referenced_var.
1716 * tree-dfa.c (struct walk_state): Remove.
1717 (find_referenced_vars): Remove walk state and vars_found hash table.
1718 (make_rename_temp): Use add_referenced_var.
1719 (find_vars_r): Pass less parameters to add_referenced_var.
1720 (referenced_var_p): New. Is var in referenced_var hash table.
1721 (referenced_var_insert): Assert var isn't already in hash table.
1722 (add_referenced_var): Don't need walk_state parameter. Add var if it
1723 isn't already in the hash table.
1724 (add_referenced_tmp_var): Remove.
1725 (find_new_referenced_vars_1): Use add_referenced_var.
1726 * tree-ssa-pre.c (create_expression_by_pieces,
1727 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1728 Use add_referenced_var.
1729 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1730 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1731 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1733 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1734 vect_create_data_ref_ptr, vect_create_destination_var,
1735 vect_init_vector, vect_build_loop_niters,
1736 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1737 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1738 Use add_referenced_var.
1739 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1740 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1741 (add_referenced_var): Add prototype.
1742 * tree-ssa-structalias.c (get_constraint_for,
1743 intra_create_variable_infos): Use add_referenced_var.
1745 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1747 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1748 big-endian paradoxical subregs.
1749 * var-tracking.c (struct micro_operation_def): Document that,
1750 for modify micro operations, insn is the subsequent instruction.
1751 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1752 (var_reg_set, var_mem_set): ... new functions.
1753 (add_stores): Record subsequent insn.
1754 (compute_bb_dataflow): Use new functions for MO_USE.
1755 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1756 notes after the insn, and modify notes before the insn known
1757 to be the subsequent one.
1758 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1760 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1763 * config/i386/i386.c (ix86_expand_builtin): Use
1764 gen_sse3_monitor64 for TARGET_64BIT.
1766 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1768 PR rtl-optimization/26375
1769 PR rtl-optimization/26855
1770 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1772 (df_ru_bb_local_compute): Reversed statements and removed bogus
1773 comment explaining why they should be in wrong order.
1774 (df_ru_dump, df_rd_dump): Enhanced debug info.
1775 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1777 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1778 reaching uses and fixed space problem.
1780 2006-05-23 Jan Hubicka <jh@suse.cz>
1782 * cgraphunit.c (decide_is_function_needed): Also nested functions
1783 and functions declared inline can be optimized out at -O0.
1785 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1787 * doc/install.texi (Configuration): Remove reference to CrossGCC
1791 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1794 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1795 ix86_compare_emitted is non-NULL.
1797 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1800 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1803 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1805 PR rtl-optimization/25514
1806 * combine.c (replaced_rhs_insn): New variable.
1807 (combine_instructions): Set replaced_rhs_insn when trying to replace
1808 a SET_SRC with a REG_EQUAL note.
1809 (distribute_notes): Use replaced_rhs_insn when determining the live
1810 range of a REG_DEAD register.
1812 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1813 Anatoly Sokolov <aesok@post.ru>
1815 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1816 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1817 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1818 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1819 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1820 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1821 at90usb647, at90usb1286 and at90usb1287 devices.
1822 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1823 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1825 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1827 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1829 2006-05-22 Richard Guenther <rguenther@suse.de>
1832 2006-01-31 Richard Guenther <rguenther@suse.de>
1833 Paolo Bonzini <bonzini@gnu.org>
1835 * doc/install.texi (--disable-libgcc-math): Document.
1837 2006-05-22 Richard Guenther <rguenther@suse.de>
1840 2006-01-31 Richard Guenther <rguenther@suse.de>
1842 * doc/invoke.texi (-msselibm): Document.
1843 * target.h (expand_library_builtin): New target hook.
1844 * builtins.c (expand_builtin): Use expand_library_builtin.
1845 (default_expand_library_builtin): New function.
1846 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1847 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1848 (link_gcc_math_spec): Declare.
1849 (static_specs): Add link_gcc_math_spec.
1850 * expr.h (default_expand_library_builtin): Declare.
1851 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1852 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1853 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1854 * config/i386/i386.opt (msselibm): New target option.
1855 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1856 (ix86_init_sse_abi_builtins): New function.
1857 (ix86_expand_library_builtin): Likewise.
1858 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1859 (override_options): Handle error conditions wrt -msselibm.
1860 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1861 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1862 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1865 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1868 * c-common.c (self_promoting_args_p): Skip erroneous args.
1871 * c-decl.c (finish_struct): Skip erroneous fields.
1873 2006-05-22 Nick Clifton <nickc@redhat.com>
1875 * config/cris/cris.opt (march): Remove VarExists attribute.
1876 (max-stackframe=): Likewise.
1878 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1880 * doc/rtl.texi: Fix a typo.
1881 * see.c: Fix comment typos.
1883 * tree-ssa-structalias.h (alias_info): Remove num_references.
1885 2006-05-21 Mike Stump <mrs@apple.com>
1887 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1889 (darwin_pragma_options): Use BAD instead.
1890 (darwin_pragma_unused): Likewise.
1891 (darwin_pragma_ms_struct): Likewise.
1893 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1895 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1897 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1899 PR rtl-optimization/27671
1900 * simplify-rtx.c (simplify_relational_operation_1): Fix
1901 simplifications of (eq/ne (xor x y) y) and
1902 (eq/ne (xor x y) x).
1904 PR tree-optimization/26622.
1905 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1908 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1910 * tree-cfg.c: Prune whitespace.
1911 (debug_tree_cfg): Point to correct header containing the
1914 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1917 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1919 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1922 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1923 or sorry count is non zero.
1925 2006-05-20 Andreas Schwab <schwab@suse.de>
1927 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1929 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1930 Kenneth Zadeck <zadeck@naturalbridge.com>
1932 PR rtl-optimization/26855
1934 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1936 (df_scan_alloc): Added code to properly handle multiword hard
1937 registers and add all_blocks parameter.
1938 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1939 code to properly handle multiword hard registers.
1940 (df_rescan_blocks): Added code to remove deleted blocks from
1942 (df_ref_create_structure, df_ref_record): Added code to properly
1944 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1945 and set DF_REF_PARTIAL.
1946 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1947 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1948 (df_scan_add_problem): Added flags parameter.
1949 (df_ref_create_structure): Changed switching structure.
1950 (df_bb_refs_record): Fixed case where duplicate artificial refs
1951 were created. Changed location of flags.
1952 (df_record_entry_block_defs): Added code to make stack pointer
1953 live in entry block. Refined cases where frame pointer is needed.
1954 Changed location of flags.
1955 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1956 (df_set_state): Removed function.
1957 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1958 df_insn_create_insn_record, df_insn_refs_delete,
1959 df_ref_create_structure): Formatting changes.
1960 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1961 df_delete_basic_block): New function.
1962 (df_init): Changed location of flags.
1963 (df_add_problem): Added flags parameter and the way flags are
1965 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1966 debug_df_chain): Improved debugging output.
1967 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1968 (df_refs_chain_dump): Removed df parameter.
1969 (df_iterative_dataflow): Added consistency check.
1970 (df_prune_to_subcfg): Made public.
1971 (df_analyze_problem): Added blocks_to_init parameter and made
1973 (df_ref_record, df_bb_refs_record, df_mark_reg,
1974 df_record_exit_block_uses): Whitespace changes.
1975 (df_dump): Whitespace changes.
1976 * df.h: Some reordering to remove forward references.
1977 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1978 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1979 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1980 (dataflow.flags): New field.
1981 (df.flag): Deleted field.
1982 (df_alloc_function): Added additional bitmap parameter.
1983 (df_dependent_problem_function): New type.
1984 (df_problem.changeable_flags): New field.
1985 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1986 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1987 (df_mw_hardreg): New struct.
1988 (DF_INSN_UID_MWS): New macro.
1989 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1991 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1992 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1993 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1994 (df_set_state): Removed function.
1995 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1996 * df-problems.c (df_chain_dump): Removed df parameter.
1997 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1998 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2000 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2001 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2002 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2003 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2004 DF_REF_MUST_CLOBBER cases.
2005 (df_ru_bb_local_compute_process_def,
2006 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2007 df_lr_bb_local_compute, df_ur_bb_local_compute,
2008 df_chain_create_bb): Made subreg aware.
2009 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2010 df_lr_bb_local_compute, df_lr_bb_local_compute,
2011 df_chain_create_bb): Cleanup to use proper macros.
2012 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2013 code to fixup bitvectors.
2014 (df_ri_alloc): Cleared lifetime.
2015 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2016 df_create_unused_note): New function.
2017 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2018 REG_DEAD and REG_UNUSED notes as well as register information.
2019 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2020 df_chains_dump): Fixed crash if problem was never run.
2021 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2022 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2023 df_ri_add_problem): Processes flags in uniform manner.
2024 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2025 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2026 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2027 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2028 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2029 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2030 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2031 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2032 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2033 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2034 * see.c (see_initialize_data): Ditto.
2035 * final.c (rest_of_clean_state) Added regstack_completed.
2036 * rtl.h (regstack_completed): Ditto.
2037 * reg-stack.c (regstack_completed): Ditto.
2039 2006-05-19 Mike Stump <mrs@apple.com>
2041 * c-tree.h (default_conversion): Remove.
2042 * c-common.h (default_conversion): Add.
2044 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2046 * tree-vrp.c (valid_value_p): New function.
2047 (adjust_range_with_scev): Fail if the value of bound is not
2050 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2052 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2053 (mips_fallback_frame_state): Use syscall numbers to determine
2054 the appropriate li instruction for the current ABI. Only use
2055 __NR_sigreturn for o32.
2057 2006-05-19 Nicolas Setton <setton@adacore.com>
2059 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2060 * langhooks.c (lhd_dwarf_name): New function.
2061 * langhooks-def.h (lhd_dwarf_name): Declare.
2062 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2063 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2064 * ada/misc.c (gnat_dwarf_name): New function.
2065 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2067 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2069 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2071 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2072 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2073 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2074 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2075 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2076 determine the size of Wtype, etc.
2077 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2078 (swfloatfuncs): New variable.
2079 (dwfloatfuncs): Likewise.
2080 (lib2funcs): Remove floating-point conversion functions from
2081 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2082 the set of conversion routines needed. Allow entries to specify
2083 an object name, filename and word size. Update users accordingly.
2084 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2085 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2089 2006-02-08 Roger Sayle <roger@eyesopen.com>
2092 * config/fixtfdi.c: New libgcc source file.
2093 * config/fixunstfdi.c: New source file.
2094 * config/floatditf.c: New source file.
2095 * config/floatunditf.c: New souce file.
2096 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2097 files above instead of config/mips/_tilib.c.
2098 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2100 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2102 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2103 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2105 2006-05-18 Mike Stump <mrs@apple.com>
2107 Fix up vla, vm and [*] sematics.
2113 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2114 (c_vla_unspec_p): Add.
2115 (c_vla_type_p): Add.
2116 * c-decl.c (struct c_scope): Add had_vla_unspec.
2117 (build_array_declarator): Add support for [*].
2118 (grokdeclarator): Likewise.
2119 (grokparms): Likewise.
2120 (get_parm_info): Likewise.
2121 * c-objc-common.c (c_vla_unspec_p): Likewise.
2122 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2123 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2124 typeof when argument is a variably modified type not inside sizeof or alignof.
2125 (c_parser_direct_declarator_inner): Propagate errors.
2126 (c_parser_sizeof_expression): Add support for [*].
2127 (c_parser_parms_declarator): Initialize had_vla_unspec.
2128 (c_parser_parms_list_declarator): Likewise.
2129 * c-typeck.c (c_vla_type_p): Add.
2130 (composite_type): Add support for vla compositing.
2131 (comptypes_internal): Add support for vla compatibility.
2132 (c_expr_sizeof_expr): Evaluate vla arguments.
2133 * tree.c (variably_modified_type_p): Update comment for [*].
2135 2006-05-18 Michael Matz <matz@suse.de>
2138 * config.host: Make assignments to host_xmake_file cumulative.
2139 * config.host (*-darwin*): Test $host, not $target.
2141 2006-05-12 Stuart Hastings <stuart@apple.com>
2143 * config/i386/i386.opt (-mstackrealign): New flag.
2144 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2145 (ix86_handle_cconv_attribute): Emit error when
2146 force_align_arg_pointer attribute collides with too many regparms.
2147 (ix86_function_regparm): Limit regparms when used with
2148 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2149 Support stack-realigning prologue in non-main functions. Emit
2150 warning for nested functions under -mstackrealign, emit error for
2151 nested functions with force_align_arg_pointer attribute.
2152 * doc/extend.texi (force_align_arg_pointer): Document it.
2153 * doc/invoke.texi (-mstackrealign): Document it.
2155 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2157 PR rtl-optimization/27477
2158 * combine.c (try_combine): Don't split a parallel consisting
2159 of two sets into two individual sets if both sets reference
2162 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2164 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2165 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2167 * doc/options.texi (VarExists): Updated.
2169 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2171 * unwind-dw2.c: Add declarations for uw_update_context and
2173 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2174 detected, advance frame state and context once to skip over stub.
2176 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2180 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2181 Call rewrite_into_loop_closed_ssa only when something changed.
2182 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2183 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2184 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2185 Test for perfect_nest_p here. Fix formating.
2186 (replace_uses_equiv_to_x_with_y): Fix formating.
2187 (stmt_uses_op): Removed.
2188 (can_convert_to_perfect_nest): Removed loopivs parameter.
2189 Complete the test by checking the scalar dependences.
2190 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2193 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2196 From Dan Kegel <dank@kegel.com>:
2197 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2199 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2201 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2202 if the element type is variably modified without recursing.
2204 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2207 * tree-loop-linear.c (try_interchange_loops): Test for
2208 no data dependences.
2210 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR tree-optimization/27548
2213 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2214 range of ssa names that appear on abnormal edges.
2215 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2216 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2218 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2221 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2223 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2226 * tree.h (OMP_PARALLEL_COMBINED): Define.
2227 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2228 (new_omp_context): Add is_combined_parallel argument.
2229 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2230 new_omp_context caller.
2231 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2232 Adjust gimplify_scan_omp_clauses callers.
2233 (omp_is_private): Issue errors if iteration variable is firstprivate
2234 or reduction in the current context.
2235 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2236 on combined parallel workshare constructs.
2238 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2240 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2241 (gcc-options.o): New rule.
2243 * optc-gen.awk: Protect variables for gcc-options.o with
2244 #ifdef GCC_DRIVER/#endif.
2246 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2248 Fix PR tree-optimization/27373
2249 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2250 (forward_propagate_addr_expr): Update call.
2252 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2254 * doc/options.texi: Move the Negative option.
2256 2006-05-16 Richard Guenther <rguenther@suse.de>
2258 PR tree-optimization/22303
2259 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2261 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2262 ccp_fold did not simplify the statement.
2264 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2267 * Makefile.in (GCC_OBJS): New.
2268 (OBJS-common): Add opts-common.o.
2269 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2270 (cpp$(exeext)): Likewise.
2271 (gcc.o): Also depend on opts.h.
2272 (opts-common.o): New.
2274 * common.opt (gcoff): Add Negative(gdwarf-2).
2275 (gdwarf-2): Add Negative(gstabs).
2276 (gstabs): Add Negative(gstabs+).
2277 (gstabs+): Add Negative(gvms).
2278 (gvms): Add Negative(gxcoff).
2279 (gxcoff): Add Negative(gxcoff+).
2280 (gxcoff+): Add Negative(gcoff).
2281 * config/i386/i386.opt (m32): Add Negative(m64).
2282 (m64): Add Negative(m32).
2284 * doc/options.texi: Document the Negative option.
2286 * gcc.c: Include "opts.h".
2287 (main): Call prune_options after expandargv.
2289 * optc-gen.awk: Generate common declarations for all flag
2290 variables in options.c. Output the neg_index field.
2292 * opts.c (find_opt): Moved to ...
2293 * opts-common.c: Here. New file.
2295 * opts.h (cl_option): Add a neg_index field.
2297 (prune_options): Likewise.
2299 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2302 * omp-low.c (expand_omp_parallel): Don't assert
2303 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2304 instead search for it.
2307 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2310 2006-05-16 Andreas Schwab <schwab@suse.de>
2312 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2315 2006-05-15 Roger Sayle <roger@eyesopen.com>
2318 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2319 integer constants other than zero are only legitimate on TARGET_64BIT.
2320 <CONST_VECTOR> Only zero vectors are legitimate.
2321 (ix86_cannot_force_const_mem): Integral and vector constants can
2322 always be put in the constant pool.
2324 2006-05-16 DJ Delorie <dj@redhat.com>
2326 * crtstuff.c (__dso_handle): Set section from
2327 TARGET_LBIGCC_SDATA_SECTION if defined.
2328 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2329 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2331 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2334 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2337 2006-05-16 Ben Elliston <bje@au.ibm.com>
2339 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2341 2006-05-15 Per Bothner <per@bothner.com>
2343 * tree.c: (last_annotated_node): Use source_locus typedef.
2344 This permits bootstrapping with --enable-mapped-location.
2346 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2348 PR tree-optimization/26830
2349 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2350 (info_for_ssa_name, current_info_for_ssa_name_age,
2351 blocks_to_update): New variables.
2352 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2353 (clear_ssa_name_info, initialize_flags_in_bb,
2354 mark_block_for_update): New functions.
2355 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2356 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2357 prepare_def_site_for): Use mark_block_for_update.
2358 (mark_def_interesting): Assert that the processed block is marked in
2359 blocks_to_update. Do not take blocks argument.
2360 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2362 (rewrite_update_init_block, rewrite_update_stmt): Only process
2363 blocks with statements to rewrite.
2364 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2365 (update_ssa): Initialize and free blocks_to_update. Do not
2366 clear flags on statements. Do not use blocks bitmap.
2367 * tree.h (SSA_NAME_AUX): Removed.
2368 (struct tree_ssa_name): Removed aux field.
2369 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2371 2006-05-15 Richard Guenther <rguenther@suse.de>
2373 PR tree-optimization/27603
2374 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2375 Do computations in original type.
2377 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2379 * see.c: Code style changes such as redundant paranthesis,
2380 redundant intialization of local variables etc.
2381 (see_main): Declared now as static.
2382 * doc/invoke.texi: Update that -fsee is not enabled by
2385 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2387 * omp-low.c (check_omp_nesting_restrictions): New function.
2388 (scan_omp_1): Call it.
2391 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2392 construct, return *VAR.
2394 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2396 PR rtl-optimization/27406
2397 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2400 2006-05-14 Roger Sayle <roger@eyesopen.com>
2402 PR rtl-optimization/27538
2403 * combine.c (expand_compound_operation): Call gen_lowpart
2404 before calling simplify_shift_const.
2406 2006-05-14 Roger Sayle <roger@eyesopen.com>
2408 PR rtl-optimization/22563
2409 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2410 a fixed width bitfield, always force the intermediates into psuedos.
2412 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2415 * mkconfig.sh: Use operator = instead of == for test.
2417 2006-05-13 Nick Clifton <nickc@redhat.com>
2419 * dwarf2out.c (dbx_reg_number): Check return value from
2420 LEAF_REG_REMAP and only use it if it is valid.
2421 (multiple_reg_loc_descriptor): Likewise.
2423 2006-05-13 Richard Guenther <rguenther@suse.de>
2425 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2428 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2430 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2431 information attached to non-INSNs such as NOTEs.
2432 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2434 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2436 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2438 * config/s390/s390.md: Adjust comment describing On constraint.
2440 2006-05-11 Jan Hubicka <jh@suse.cz>
2442 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2443 to be output at -O0.
2445 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2448 * fold-const.c (size_binop): Move sanity check for arguments to
2449 the beginning of the function.
2452 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2455 2006-05-11 Richard Guenther <rguenther@suse.de>
2458 * fold-const.c (fold_unary): Handle intermediate conversion
2459 to a pointer type like intermediate conversion to an integer
2460 type in folding of (T1)(T2)var to var.
2461 Match the code to the comment in the final conversion for
2462 (T1)(T2)var to (T1)var regarding to type precision. Rather
2463 than disallow T1 being of pointer type, assert that both T1
2464 and var are of pointer type or not. Make sure not to fall
2465 over the frontends lazyness wrt array to pointer decay though.
2467 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2469 * arm.c (arm_struct_value_rtx): Delete.
2470 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2471 (arm_init_cumulative_args): Always initialize nregs to zero.
2473 2006-05-10 Richard Guenther <rguenther@suse.de>
2475 PR tree-optimization/27532
2476 * tree-object-size.c (plus_expr_object_size): Fix typo.
2478 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2481 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2482 ashrdi_const, ashrdi3): Use a scratch register.
2484 2006-05-10 Richard Guenther <rguenther@suse.de>
2486 PR tree-optimization/27302
2487 * fold-const.c (operand_equal_p): For two comparisons,
2488 try comparison of one comparison code swapped if that yields
2491 2006-05-10 Ben Elliston <bje@au.ibm.com>
2493 * tree-pretty-print.c (pretty_print_string): No need to handle
2494 '\0' as a special character.
2496 * tree.h: Include "hashtab.h".
2497 (iterative_hash_expr): Use hashval_t in its prototype.
2498 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2500 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2503 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2504 (hppa*64*-*-hpux11*): Ditto.
2505 (hppa[12]*-*-hpux11*): Ditto.
2507 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2510 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2512 2006-05-09 Michael Matz <matz@suse.de>
2514 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2515 host_extra_gcc_objs and host_xmake_file.
2516 (<*-*-linux*>): Don't overwrite host_xmake_file.
2517 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2518 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2519 (host_detect_local_cpu): Declare.
2520 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2521 * config/i386/i386.c (override_options): Handle -mtune=native
2523 * config/i386/x-i386: New file.
2524 * config/i386/driver-i386.c: New file.
2525 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2528 2006-05-09 Dirk Mueller <dmueller@suse.de>
2529 Richard Guenther <rguenther@suse.de>
2532 * fold-const.c (fold_read_from_constant_string): Relax check
2533 for matching types to matching modes.
2535 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2537 PR rtl-optimization/27335
2538 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2541 2006-05-08 Chao-ying Fu <fu@mips.com>
2542 Richard Sandiford <richard@codesourcery.com>
2544 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2545 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2546 * config/mips/mips.md (UNSPEC_SCC): New constant.
2547 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2548 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2549 (mips_emit_compare): Use it.
2550 (mips_expand_vcondv2sf): New function.
2552 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2554 Fix PR tree-optimization/27093
2555 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2556 renaming when they become not-used_alone.
2558 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2560 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2561 relocation and relocation stubs.
2563 2006-05-08 Eric Christopher <echristo@apple.com>
2565 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2568 2006-05-08 Jan Hubicka <jh@suse.cz>
2571 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2572 unused static functions are needed.
2574 2006-05-08 Roger Sayle <roger@eyesopen.com>
2577 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2578 of a reg_equiv_constant if the result is a legitimate constant.
2580 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2583 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2584 standard 80387 constants, raise the cost to prevent
2585 compress_float_constant() to generate load from memory.
2587 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2589 * config/arm/constraints.md (c): Fix a typo.
2591 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2594 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2597 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2599 (_mm_mwait): Likewise.
2601 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2603 (sse3_monitor): Make it 32bit only.
2604 (sse3_monitor64): New. 64bit monitor.
2606 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2609 * config/i386/i386.c (classify_argument): Skip fields with invalid
2612 2006-05-07 Richard Guenther <rguenther@suse.de>
2614 PR tree-optimization/27409
2615 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2616 Do not try to find zero-sized subvars.
2618 2006-05-07 Richard Guenther <rguenther@suse.de>
2620 PR tree-optimization/27136
2621 * tree-ssa-loop-niter.c (get_val_for): Correct function
2622 comment, assert requirements.
2623 (loop_niter_by_eval): Stop processing if the iterated
2624 value did not simplify.
2626 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2628 * opts.c (flag_see): remove its setting at -O3.
2630 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2632 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2633 * arm/constraints.md: New file.
2634 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2635 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2636 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2637 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2638 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2639 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2640 * arm.md: Include constraints.md.
2641 (thumb_movsi_insn): Use satisfies_constraint_J.
2642 (movhi, movqi): Use satisfies_constraint_I.
2644 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2646 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2647 for atmeg a645 device.
2649 2006-05-06 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/27151
2652 * tree-vect-transform.c (vectorizable_condition): Punt on
2653 values that have a different type than the condition.
2655 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2658 * c-parser.c (c_parser_cast_expression): Only insert casts into
2659 hash table if pointer.
2660 * function.c (used_types_insert_helper): Rename from
2662 (used_types_insert): Call used_types_insert_helper.
2663 * function.h (used_types_insert): Accept only one argument.
2665 2006-05-05 David Edelsohn <edesohn@gnu.org>
2667 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2668 scratch with output modifier.
2670 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2673 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2674 with output modifier.
2676 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2679 * config/mips/mips.c (mips_symbolic_address_p): Return true
2680 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2681 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2683 2006-05-04 Richard Guenther <rguenther@suse.de>
2685 PR tree-optimization/14287
2686 PR tree-optimization/14844
2687 PR tree-optimization/19792
2688 PR tree-optimization/21608
2689 PR tree-optimization/27090
2690 * tree-ssa-pre.c (try_combine_conversion): New function.
2691 (compute_avail): After constructing the value-handle
2692 expression, use try_combine_conversion to combine NOP_EXPRs
2693 with previous value-handle expressions and use the result if it
2696 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2698 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2700 2006-05-04 Jan Hubicka <jh@suse.cz>
2703 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2705 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2707 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2708 that this only matches CONST_INTs. All users changed to VOIDmode
2711 * config/bfin/bfin.c: Include "optabs.h".
2712 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2714 (enum bfin_builtins): Add a number of fractional and vector builtins.
2715 (bfin_init_builtins): Likewise.
2716 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2717 (safe_vector_operand, bfin_expand_binop_builtin,
2718 bfin_expand_unop_builtin): New functions.
2719 (bfin_expand_builtin): Handle the new builtins.
2720 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2723 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2726 * Makefile.in (OBJS-common): Add see.o.
2727 (see.o): Add dependencies.
2728 * common.opt (fsee): New flag for the see optimization was added.
2729 * opts.c (flag_see): Initialized.
2730 * passes.c (init_optimization_passes, pass_see): New pass.
2731 * rtl.h (see_main): Declaration as extern.
2732 * timevar.def (TV_SEE): New.
2733 * tree-pass.h (pass_see): Declaration as extern.
2734 * invoke.texi (-fsee): Document.
2735 * recog.c (validate_simplify_insn): New function.
2736 * recog.h (validate_simplify_insn): Declaration as extern.
2737 * df-problems.c (df_chain_dump): Check for NULL.
2739 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2740 Daniel Berlin <dberlin@dberlin.org>
2742 * cfgrtl.c (insert_insn_bb_end_new): New function.
2743 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2745 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2747 * df.h (struct web_entry): Moved from web.c.
2748 (union_defs): Declaration as extern.
2749 (unionfind_root): Likewise.
2750 (unionfind_union): Likewise.
2751 * web.c (struct web_entry): Moved to df.h.
2752 (unionfind_root): Remove static declaration.
2753 (unionfind_union): Likewise.
2754 (union_defs): Likewise and generalize to use callback function.
2755 (web_main): Update arguments for union_defs function call.
2757 2006-05-04 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/26447
2760 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2761 produce SSA_NAME copies before the store stmt to avoid
2762 breaking exception handling.
2764 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2767 * gimplify.c (omp_is_private): If var is shared in some outer context,
2768 return false instead of true. Stop searching on parallel context
2771 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2774 * coverage.c: Use get_gcov_unsigned_t() instead of
2775 unsigned_type_node all over.
2777 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2779 PR tree-optimization/27381
2780 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2781 maintain the same immediate_use links.
2782 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2783 node rather than segfaulting.
2785 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2788 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2789 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2790 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2792 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2794 Fix PR tree-optimization/26626
2795 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2797 * tree-ssa-operands.c (access_can_touch_variable): Allow
2798 typecasting through union pointers.
2800 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2803 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2804 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2805 to find if var will be a global variable even in the nested context.
2806 (omp_copy_decl): Only check for global variable at the end, it might
2807 be overridden in outer contexts.
2808 (scan_sharing_clauses): For global variables don't create a field.
2809 (lower_rec_input_clauses): Do nothing for global shared variables.
2810 Emit a barrier at the end of ILIST if there were any decls in both
2811 firstprivate and lastprivate clauses.
2812 (lower_send_clauses): Do nothing for global variables except for
2815 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2817 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2818 of the correct signedness is returned.
2820 2006-05-02 Jeff Law <law@redhat.com>
2822 PR tree-optimization/27364
2823 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2824 multiply expressions.
2826 2006-05-02 Tom Tromey <tromey@redhat.com>
2828 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2830 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2833 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2834 -mthumb -fPIC are used.
2836 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2837 Joshua Kinard <kumba@gentoo.org>
2840 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2841 with 64-bit pointers.
2843 2006-05-02 Paul Brook <paul@codesourcery.com>
2845 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2847 (create_fix_barrier): Check that a suitable barrier location is
2849 (arm_reorg): Include ftmp->address in allowable range of addresses.
2851 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2854 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2857 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2860 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2861 around RESULT_DECL for result passed by reference.
2862 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2863 * omp-low.c (use_pointer_for_field): Don't look at
2864 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2865 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2866 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2867 time or var for passing by reference for
2868 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2869 TREE_ADDRESSABLE variables when passing by reference.
2871 * omp-low.c (dump_omp_region): Fix output formatting.
2874 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2875 (expand_omp_parallel): Likewise.
2876 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2879 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2880 on statement list containing also constructors and destructors.
2881 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2884 * except.c (duplicate_eh_regions): Fix clearing of
2885 cfun->eh->region_array entries.
2887 2006-05-01 DJ Delorie <dj@redhat.com>
2889 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2891 (gcc_cv_objdump): Likewise.
2892 * configure: Regenerated.
2894 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2897 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2898 templates for case 3 and 4.
2900 2006-05-01 DJ Delorie <dj@redhat.com>
2902 * vec.c: Include bconfig.h when appropriate.
2903 * Makefile.in (build/vec.o): Adjust dependencies.
2904 * mkconfig.sh: Make sure config.h isn't used for build machine
2907 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2909 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2911 (mark_phi_for_rewrite): New function.
2912 (insert_phi_nodes_for, mark_use_interesting): Call
2913 mark_phi_for_rewrite.
2914 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2915 (update_ssa): Initialize and free phis_to_rewrite.
2917 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2919 PR rtl-optimization/27291
2920 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2921 folded to a constant.
2923 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2925 PR tree-optimization/27283
2926 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2927 not whole # of iteration descriptions.
2928 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2929 uses abnormal ssa name.
2930 (niter_for_single_dom_exit): Ditto.
2931 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2932 return just the number of iterations.
2934 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2936 PR tree-optimization/27144
2937 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2938 (record_estimate): Only record constant upper bound.
2939 (infer_loop_bounds_from_undefined): Call
2940 compute_estimated_nb_iterations just once.
2941 (proved_non_wrapping_p): Renamed to ...
2942 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2943 (convert_step_widening, scev_probably_wraps_p): Call
2944 n_of_executions_at_most instead of proved_non_wrapping_p.
2945 (substitute_in_loop_info): Do not replace values in bounds.
2946 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2949 2006-05-01 Richard Henderson <rth@redhat.com>
2952 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2953 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2956 2006-05-01 Roger Sayle <roger@eyesopen.com>
2958 * c-typeck.c (parser_build_binary_op): Don't call the function
2959 unsigned_conversion_warning to spot operand/result type overflow.
2960 (build_binary_op): Instead, call convert_and_check instead of
2961 convert to report the problem when the operands are promoted.
2962 * c-common.c (unsigned_conversion_warning): Make static.
2963 * c-common.h (unsigned_conversion_warning): Delete prototype.
2965 2006-05-01 Richard Guenther <rguenther@suse.de>
2967 PR tree-optimization/26726
2968 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2970 (find_interesting_uses_address): ... we work around here
2971 by folding INDIRECT_REFs in the substituted base.
2973 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2975 * omp-low.c (dump_omp_region): Add newlines.
2977 2006-04-30 Roger Sayle <roger@eyesopen.com>
2979 * common.opt (Woverflow): New command line option.
2980 * c-common.c (constant_expression_warning): Check warn_overflow.
2981 (overflow_waring): Pass OPT_Woverflow to warning.
2982 (unsigned_conversion_warning): Likewise.
2983 (convert_and_check): Likewise.
2984 * doc/invoke.texi: Document new command line option.
2986 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2988 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2989 TARGET_NO_FP_IN_TOC for section anchors.
2990 (optimization_options): Enable section anchors for all
2991 non-"Objective" languages.
2993 2006-04-28 Eric Christopher <echristo@apple.com>
2995 * config/darwin-c.c (darwin_ms_struct): Move this
2996 (darwin_set_default_type_attributes): and this...
2997 * config/darwin.c: ... here.
2998 * config/darwin.h (darwin_ms_struct): Declare.
3000 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3002 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3004 2006-04-28 Roger Sayle <roger@eyesopen.com>
3007 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3008 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3009 an unsigned HOST_WIDE_INT.
3010 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3012 (really_start_incremental_init): No need to call convert because
3013 bitsize_zero_node is already of type bitsizetype.
3014 (push_init_level): Extract the value of constructor_index as an
3015 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3016 (process_init_element): Likewise.
3018 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3020 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3021 value before passing to make_relative_prefix.
3023 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3026 * builtins.c (expand_builtin_memset): Expand val in original mode.
3028 2006-04-27 Eric Christopher <echristo@apple.com>
3030 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3031 with #ifndef/#endif.
3032 * config/darwin-c.c (darwin_ms_struct): New.
3033 (darwin_pragma_ms_struct): Ditto.
3034 (darwin_set_default_type_attributes): Ditto.
3035 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3036 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3037 Register ms_struct pragma.
3038 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3039 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3040 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3041 darwin_set_default_type_attributes if TARGET_MACHO.
3043 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3045 PR tree-optimization/26854
3046 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3047 * doc/tree-ssa.texi: Update immuse iterator documentation.
3048 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3049 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3050 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3051 first_safe_imm_use, next_safe_imm_use): Remove.
3052 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3053 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3054 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3055 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3056 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3057 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3058 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3059 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3060 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3061 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3062 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3063 (perfect_nestify): Use new iterator.
3064 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3066 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3067 (next_imm_name): New field in struct immediate_use_iterator_d.
3068 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3069 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3070 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3071 * tree-cfg.c (replace_uses_by): Use new iterator.
3072 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3073 * tree-ssa-operands.c (correct_use_link): Remove.
3074 (finalize_ssa_use_ops): No longer call correct_use_link.
3076 2006-04-27 Stuart Hastings <stuart@apple.com>
3078 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3079 * config/t-darwin (crt3.o): Use it.
3080 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3081 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3082 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3083 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3084 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3087 2006-04-27 Roger Sayle <roger@eyesopen.com>
3089 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3090 size, force the intermediate into a new pseudo rather instead of
3091 performing both a bitwise AND and a bitwise IOR in memory.
3093 2006-04-27 Richard Guenther <rguenther@suse.de>
3095 PR rtl-optimization/26685
3096 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3097 this one "max-flow-memory-locations".
3099 2006-04-27 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/25148
3102 * tree-vrp.c (compare_values): Remove code dealing with
3103 comparisons against type min/max value. Honour overflow
3104 and negative constants in code dealing with comparisons
3105 of plus and minus expressions.
3106 (value_inside_range): Use fold_binary with LE_EXPR and
3107 GE_EXPR rather than compare_values.
3109 2006-04-27 Dirk Mueller <dmueller@suse.de>
3111 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3114 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3116 * basic-block.h (safe_insert_insn_on_edge): Removed.
3117 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3119 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3120 Paolo Bonzini <bonzini@gnu.org>
3123 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3124 (simplify_and_const_int): Same.
3126 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3128 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3130 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3133 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3134 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3135 cgraph_global_info_ready.
3138 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3141 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3142 either decl or init is error_mark_node.
3145 * tree-flow.h (struct omp_region): Add sched_kind.
3146 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3147 instead of extracting omp for data.
3148 (expand_omp_for): Save extracted sched_kind.
3150 2006-04-25 Roger Sayle <roger@eyesopen.com>
3152 * expmed.c (store_bit_field): Also check whether the bitsize is
3153 valid for the machine's "insv" instruction before moving the
3154 target into a pseudo for use with the insv.
3155 * config/i386/predicates.md (const8_operand): New predicate.
3156 * config/i386/i386.md (extv, extzv, insv): Use the new
3157 const8_operand predicate where appropriate.
3159 2006-04-25 DJ Delorie <dj@redhat.com>
3161 * doc/install.texi (Specific): Clarify that this is not a list of
3162 supported hosts or targets.
3164 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3166 PR rtl-optimization/26725
3167 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3168 block's BB_DIRTY flag.
3170 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3172 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3175 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3176 to print an integer.
3178 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3180 * varasm.c (align_variable): New function.
3181 (get_block_for_decl): Apply align_variable to DECL before
3182 calculating section information.
3183 (assemble_variable): Split out alignment computation.
3185 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3187 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3190 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3192 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3193 MODE_PARTIAL_INT mode.
3194 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3195 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3197 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3198 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3200 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3202 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3204 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3205 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3206 MACFLAG_IH): Likewise.
3207 (movstricthi_1): Renamed from "*movstricthi".
3208 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3209 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3210 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3211 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3212 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3213 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3214 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3215 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3216 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3217 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3218 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3219 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3220 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3221 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3222 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3224 * doc/rtl.texi (ss_ashift): Improve wording.
3226 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3228 * dwarf2out.c (verify_marks_clear): New.
3229 (prune_unused_types): Call verify_marks_clear initially, not
3232 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3234 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3235 * doc/rtl.texi: Document them.
3236 * simplify-rtx.c (simplify_unary_operation,
3237 simplify_binary_operation_1): Don't abort when we see them.
3239 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3242 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3243 * configure.ac: Completely disregard languages that are not
3245 * configure: Regenerated.
3247 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3248 Richard Guenther <rguenther@suse.de>
3250 PR tree-optimization/27236
3251 * tree-inline.c (copy_body_r): Make sure to copy
3252 TREE_THIS_VOLATILE flag.
3254 2006-04-24 Richard Guenther <rguenther@suse.de>
3257 * tree-complex.c (update_parameter_components): Don't handle
3258 unused parameters which have no default def.
3260 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3261 Richard Guenther <rguenther@suse.de>
3263 PR tree-optimization/27218
3264 * tree-inline.c (expand_call_inline): Strip useless type
3265 conversions for the return slot address.
3267 2006-04-24 Richard Guenther <rguenther@suse.de>
3269 * cfgloop.h (struct loops): Remove unused field array. Reorder
3271 (LOOP_PREFETCH): Remove.
3273 2006-04-24 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/22525
3276 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3277 variable, adjust types of generated expressions.
3279 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3281 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3282 (tree-vect-patterns.o): Likewise.
3284 (cselib.o): Likewise.
3285 (loop-doloop.o): Likewise.
3286 (regclass.o): Likewise.
3287 (reload1.o): Likewise.
3288 (explow.o): Replace target.h with $(TARGET_H).
3289 (ipa-prop.o): Likewise.
3290 (ipa-cp.o): Likewise.
3291 (ipa-inline.o): Likewise.
3292 (reorg.o): Likewise.
3293 (reg-stack.o): Likewise.
3295 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3297 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3299 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3301 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3303 * configure.ac: Completely disregard languages that are not
3305 * configure: Regenerated.
3308 * c-common.h (c_build_bitfield_integer_type): Declare.
3309 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3310 * c-common.c (c_build_bitfield_integer_type): ... here.
3312 2006-04-23 Roger Sayle <roger@eyesopen.com>
3315 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3316 a SImode SUBREG of a floating point register after no_new_pseudos.
3318 2006-04-23 Roger Sayle <roger@eyesopen.com>
3320 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3321 identify potentially eliminable registers to additionally catch
3322 VIRTUAL_INCOMING_ARGS_REGNUM.
3323 (addsi3): Update the conditions on when to use addsi_small_int.
3325 2006-04-23 Roger Sayle <roger@eyesopen.com>
3328 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3329 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3330 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3332 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3334 * fold-const.c (range_predecessor): Use operand_equal_p
3335 as the predicate for equality.
3336 (range_successor): Likewise.
3338 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3341 * config/soft-fp/op-common.h: Fix a typo.
3343 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3346 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3347 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3349 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3351 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3353 * doc/tm.texi: Fix a typo.
3355 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3357 * dwarf2out.c (struct die_struct): Document that die_sib makes
3358 a circular linked list.
3359 (FOR_EACH_CHILD): New.
3360 (reverse_die_lists): Delete.
3361 (reverse_all_dies): Delete.
3362 (add_dwarf_attr): Correct documentation.
3363 (remove_child_with_prev): New.
3364 (remove_child_TAG): Update for change to die_struct, use
3365 remove_child_with_prev.
3366 (add_child_die): Update for change to die_struct.
3367 (splice_child_die): Use remove_child_with_prev and add_child_die.
3368 (print_die): Use FOR_EACH_CHILD.
3369 (die_checksum): Likewise.
3370 (assign_symbol_names): Likewise.
3371 (output_location_lists): Likewise.
3372 (build_abbrev_table): Likewise.
3373 (calc_die_sizes): Likewise.
3374 (mark_dies): Likewise.
3375 (unmark_dies): Likewise.
3376 (unmark_all_dies): Likewise.
3377 (output_die): Likewise.
3378 (prune_unused_types_mark): Likewise.
3379 (prune_unused_types_walk): Likewise.
3380 (same_die_p): Update for change to die_struct.
3381 (break_out_includes): Likewise.
3382 (prune_unused_types_prune): Likewise.
3383 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3384 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3386 (dwarf2out_finish): Don't call reverse_all_dies.
3388 2006-04-21 Eric Christopher <echristo@apple.com>
3390 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3391 in comments and function names.
3393 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3396 * c-typeck.c (digest_init): Robustify.
3398 * c-typeck.c (pop_init_level): Simplify.
3400 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3402 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3404 2006-04-21 Paul Brook <paul@codesourcery.com>
3406 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3407 hardware floating point.
3409 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3411 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3414 2006-04-21 Nick Clifton <nickc@redhat.com>
3416 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3419 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3422 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3423 C++ lang type in traceback table for Objective-C++.
3425 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3427 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3429 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3431 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3434 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3435 were errors. Remove check for erroneous objects.
3437 2006-04-20 Jeff Law <law@redhat.com>
3439 PR tree-optimization/26854
3440 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3441 checking for zero or one use.
3442 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3443 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3444 * tree-ssa-reassoc.c (negate_value): Similarly.
3445 (reassociate_bb): Similarly.
3447 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3449 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3450 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3451 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3453 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3455 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3456 fp regs if the last fp arg doesn't fit in regs.
3458 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3461 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3462 that the last insn has the REG_INC note.
3464 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3465 Nathan Sidwell <nathan@codesourcery.com>
3468 * stor-layout.c (update_alignment_for_field): Do not align
3470 (place_union_field): Place union field at the start of the union.
3471 (place_field): Move ERROR_MARK check later, and use the current
3472 allocation position to maintain monotonicity.
3474 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3476 * dominance.c: Include timevar.h.
3477 (calculate_dominance_info): Use TV_DOMINANCE.
3478 * timevar.def (TV_DOMINANCE): New timevar.
3479 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3481 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3483 PR rtl-optimization/14261
3484 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3485 move would be an INSV insn.
3486 (noce_process_if_block): Don't optimize if the destination is a
3487 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3489 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3491 * config/s390/s390.md: Add comments with the instructions emitted
3492 by an insn pattern if macros are used.
3494 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3496 PR rtl-optimization/26026
3497 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3498 is a known power of two shifted left a variable amount.
3500 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3502 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3503 to hash table twice when the debug_str section has SECTION_MERGE.
3505 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3507 * config/soft-fp: New directory. From glibc.
3508 * config/soft-fp/t-softfp: New.
3509 * config/soft-fp/README: New.
3510 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3511 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3512 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3513 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3514 * config.gcc: Use rs6000/t-fprules-fpbit or
3515 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3517 * config/rs6000/sfp-machine.h: New. Based on glibc.
3518 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3520 * config/rs6000/t-fprules: Remove fp-bit rules.
3521 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3522 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3523 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3524 (softfp_wrap_start, softfp_wrap_end): New.
3526 2006-04-18 DJ Delorie <dj@redhat.com>
3528 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3530 2006-04-18 Devang Patel <dpatel@apple.com>
3532 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3534 2006-04-18 Nick Clifton <nickc@redhat.com>
3536 * config/sh/t-symbian: Add rule to build sh-c.o
3537 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3538 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3539 (sh_symbian_encode_section_info): Likewise.
3541 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3543 * builtins.c (expand_builtin_strcmp): Cover label definition of
3544 do_libcall with HAVE_cmpstrnsi.
3546 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3548 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3550 * function.h (temp_slot_p): New.
3551 (function): Change the type of x_used_temp_slots to
3552 VEC(temp_slot_p,gc) *.
3554 2006-04-18 Nick Clifton <nickc@redhat.com>
3556 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3557 flag_strength_reduce.
3559 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3561 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3565 Partial revert of revision 112637
3566 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3567 Dale Johannesen <dalej@apple.com>
3570 * regclass.c (struct reg_pref): Update documentation.
3571 (regclass): Set prefclass to NO_REGS if memory is the best option.
3572 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3574 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3576 PR tree-optimization/26821
3577 * tree-ssa-math-opts.c (get_constant_one): New.
3578 (insert_reciprocals): Use it.
3580 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3582 * dwarf2out.c (free_AT): Delete.
3583 (remove_AT): Update string ref counts.
3584 (remove_child_TAG): Don't call free_die.
3586 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3587 or DW_TAG_GNU_EINCL.
3588 (prune_unused_types_walk_attribs): Reset string refcounts.
3589 (prune_unused_types_update_strings): New.
3590 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3591 call free_die. Do call prune_unused_types_update_strings.
3592 (prune_unused_types): Empty debug_str_hash.
3594 2006-04-17 Roger Sayle <roger@eyesopen.com>
3596 * expr.c (expand_assignment): Optimize away no-op moves where the
3597 source and destination are equal and have no side-effects.
3599 2006-04-17 Richard Guenther <rguenther@suse.de>
3602 * reload.c (push_reload): Guard calls to get_secondary_mem
3605 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3607 * alias.c (reg_base_value, old_reg_base_value): Change the
3608 type to VEC(rtx,gc) *.
3609 (REG_BASE_VALUE, find_base_value, record_set,
3610 init_alias_analysis): Use VEC instead of VARRAY.
3612 * alias.c (alias_sets): Change the type to
3613 VEC(alias_set_entry,gc) *.
3614 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3615 VEC instead of VARRAY.
3616 (last_alias_set): Remove.
3618 * cgraph.h (cgraph_edge_p): New.
3619 Update the prototype of cgraph_function_versioning.
3620 * cgraphunit.c (cgraph_copy_node_for_versioning,
3621 cgraph_function_versioning): Use VEC instead of VARRAY.
3622 * ipa-cp.c (ipcp_insert_stage): Likewise.
3624 2006-04-16 Roger Sayle <roger@eyesopen.com>
3627 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3628 "A op B" or "A op C", we may need to convert A to the type of B and C.
3630 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3632 * target.h (struct gcc_target): Add mode_rep_extended.
3633 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3634 (init_num_sign_bit_copies_in_rep): Initialize it using
3636 (truncate_to_mode): Use it.
3637 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3638 * targhooks.h (default_mode_rep_extended): Declare it.
3639 * targhooks.c (default_mode_rep_extended): Define it.
3640 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3641 default_mode_rep_extended.
3642 (TARGET_INITIALIZER): Include it.
3643 * doc/tm.texi (Misc): Document it.
3644 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3645 (mips_truncated_to_mode): New function.
3647 2006-04-16 Roger Sayle <roger@eyesopen.com>
3650 * expr.c (compress_float_constant): Copy the narrow constant into
3651 a new pseudo before extending it to its final width.
3653 2006-04-16 Roger Sayle <roger@eyesopen.com>
3654 Andrew Pinski <pinskia@gcc.gnu.org>
3655 Dale Johannesen <dalej@apple.com>
3658 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3659 special case code to implement V8HImode and V16QImode with SSE2.
3661 2006-04-15 Roger Sayle <roger@eyesopen.com>
3663 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3664 trees are constructed with a suitable tree type.
3666 2006-04-15 Roger Sayle <roger@eyesopen.com>
3668 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3669 (integer_onep): Likewise.
3670 (integer_all_onesp): Likewise.
3671 (integer_pow2p): Likewise.
3672 (integer_nonzerop): Likewise.
3673 (real_zerop): Likewise.
3674 (real_onep): Likewise.
3675 (real_twop): Likewise.
3676 (real_minus_onep): Likewise.
3677 (int_size_in_bytes): Likewise.
3678 (host_integerp): Likewise.
3680 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3682 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3683 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3684 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3686 * tree-ssa-structalias.h (alias_info): Remove num_references.
3688 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3690 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3691 (output_bvb patterns): Likewise.
3692 * pa.c (output_bb): Use 'bb' insn for long branch case.
3693 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3694 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3695 1. Correct length operand for alternatives 1 and 2.
3696 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3697 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3699 2006-04-14 Roger Sayle <roger@eyesopen.com>
3701 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3702 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3703 were accidentally reverted by r112959.
3705 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3708 * except.h (eh_region_outermost): New prototype.
3709 * except.c (eh_region_outermost): New function.
3710 * tree-cfg.c (find_outermost_region_in_block): Use it.
3712 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3714 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3716 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3717 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3718 (init_reload, reload): Use VEC instead of VARRAY.
3719 * reload.h: Update the prototype for
3720 reg_equiv_memory_loc_varray.
3722 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3723 Eric Botcazou <ebotcazou@libertysurf.fr>
3725 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3728 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3731 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3732 to expand fallback builtin function call.
3734 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3737 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3738 and emit libcall here in case the builtin fails.
3739 (expand_builtin_strcmp): Always emit the libcall here on failure.
3741 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3743 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3744 * flow.c (reg_n_info): Change the type to
3745 VEC(reg_info_p,heap) *.
3746 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3748 * regs.h (reg_info_p): New.
3749 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3750 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3751 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3754 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3756 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3758 * params.h (MAX_SCHED_READY_INSNS): New macro.
3759 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3760 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3761 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3762 the ready list for 1 cycle during the first scheduling pass.
3763 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3765 2006-04-13 Richard Henderson <rth@redhat.com>
3768 * gimple-low.c (lower_omp_directive): Remove dead code.
3769 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3770 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3771 * omp-low.c (struct omp_region): Move to tree-flow.h.
3772 (root_omp_region): Export.
3773 (omp_regions, lookup_omp_region): Remove.
3774 (determine_parallel_type): Update for struct omp_region changes.
3775 (dump_omp_region): Dump regions with block numbers.
3776 (new_omp_region): Take type and block instead of stmt; malloc
3778 (free_omp_region_1, free_omp_regions): New.
3779 (expand_parallel_call): Take entry_stmt as argument; update for
3780 changes to omp_region.
3781 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3782 (remove_exit_barriers): New.
3783 (expand_omp_parallel): Update for struct omp_region changes.
3784 (expand_omp_synch): Likewise.
3785 (expand_omp): Likewise.
3786 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3787 (expand_omp_for_static_chunk): Likewise.
3788 (expand_omp_for): Likewise.
3789 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3790 (expand_omp_sections): Similarly, with GOMP_sections_end.
3791 (expand_omp_single): New.
3792 (build_omp_regions_1): Update for OMP_CONTINUE.
3793 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3794 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3795 OMP_SECTIONS_SECTIONS.
3796 (lower_omp_single_simple): Don't emit barrier here.
3797 (lower_omp_single_copy): Likewise.
3798 (lower_omp_single): Fix bindings, and lower to straightline now.
3799 (lower_omp_master, lower_omp_ordered): Likewise.
3800 (lower_omp_critical): Likewise.
3801 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3802 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3803 omp edges, free it afterward.
3804 (make_omp_sections_edges): Remove.
3805 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3806 (move_stmt_r): Handle OMP_CONTINUE.
3807 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3808 statement pointers to basic blocks. Add type member.
3809 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3810 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3811 * tree-inline.c (estimate_num_insns_1): Likewise.
3812 * tree-pretty-print.c (dump_generic_node): Likewise.
3813 * tree-ssa-operands.c (get_expr_operands): Likewise.
3814 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3815 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3816 (OMP_CONTINUE): New.
3817 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3818 (OMP_SECTIONS_SECTIONS): Remove.
3819 (OMP_SECTION_LAST): New.
3820 (OMP_RETURN_NOWAIT): New.
3822 2006-04-13 Roger Sayle <roger@eyesopen.com>
3824 * fold-const.c (native_encode_vector, native_interpret_real):
3825 Correct obvious mistakes in the previous check-in.
3827 2006-04-13 Roger Sayle <roger@eyesopen.com>
3829 * fold-const.c (native_encode_expr): New function to encode
3830 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3831 or VECTOR_CST into a specified buffer.
3832 (native_encode_int): New function.
3833 (native_encode_real): New function.
3834 (native_encode_complex): New function.
3835 (native_encode_vector): New function.
3836 (native_interpret_expr): Inverse of native_encode_expr to convert
3837 a target representation into an INTEGER_CST, REAL_CST etc...
3838 (native_interpret_int): New function.
3839 (native_interpret_real): New function.
3840 (native_interpret_complex): New function.
3841 (native_interpret_vector): New function.
3842 (fold_view_convert_expr): New function to constant fold/evaluate
3843 a VIEW_CONVERT_EXPR of a suitable constant expression.
3844 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3845 Change call of build1 to fold_build1 when constructing a
3848 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3849 Ulrich Weigand <uweigand@de.ibm.com>
3852 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3855 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3858 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3859 optimize to lo_sum for DFmode if !TARGET_FPRS.
3861 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3863 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3864 delete_alias_info, compute_flow_sensitive_aliasing,
3865 group_aliases): Use VEC instead of VARRAY.
3866 * tree-ssa-structalias.c (update_alias_info): Likewise.
3867 * tree-ssa-structalias.h (alias_info): Change the type of
3868 processed_ptrs to VEC(tree,heap) *.
3870 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3873 * config/sh/lib1funcs.h: New file, broken out of:
3874 * config/sh/lib1funcs.asm.
3875 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3877 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3878 * config/sh/lib1funcs-Os-4-200.asm: New file.
3879 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3880 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3881 (EXTRA_MULTILIB_PARTS): Include it.
3882 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3883 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3884 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3885 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3888 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3890 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3891 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3892 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3894 * tree-ssa-live.h: Include vecprim.h.
3895 (tree_partition_associator_d): Change the type of
3896 first_partition to VEC(int,heap) *.
3897 (tpa_first_partition): Use VEC instead of VARRAY.
3899 * Makefile.in (GTFILES): Move functions.h after tree.h.
3900 * function.c (reset_block_changes, record_block_change,
3901 check_block_change, free_block_changes): Use VEC instead of
3903 * function.h (function): Change the type of
3904 ib_boundaries_block to VEC(tree,gc) *.
3905 * tree-inline.c (copy_cfg_body): Initialize
3906 ib_boundaries_block to NULL instead of (varray_type) 0.
3908 2006-04-12 Roger Sayle <roger@eyesopen.com>
3910 * expr.c (emit_group_store): Correct operand order in call to
3911 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3912 a SUBREG_BYTE of zero.
3914 2006-04-12 Richard Guenther <rguenther@suse.de>
3916 * profile.c (compute_branch_probabilities): Remove code
3917 encapsulated in !ir_type (), which are remanents of the
3918 removed RTL profiling code.
3919 * rtl-profile.c: Remove.
3921 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3923 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3924 magic NULL_RTX comment.
3925 (function_arg): Store entire fp arg to mem if any part should go
3927 (rs6000_arg_partial_bytes): Adjust for above change.
3929 2006-04-11 Roger Sayle <roger@eyesopen.com>
3931 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3932 if it hasn't been initialized by dwarf2out_init.
3934 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3936 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3937 symbolic constants in branch patterns.
3939 2006-04-11 Roger Sayle <roger@eyesopen.com>
3941 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3943 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3945 PR rtl-optimization/27073
3946 * gcse.c (try_replace_reg): Revert last change. Continue to search
3947 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3950 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3952 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3953 aggregate types other than record and union types.
3954 (function_arg): Likewise.
3955 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3957 (function_value): In 64-bit mode, return objects that require it
3960 2006-04-11 Roger Sayle <roger@eyesopen.com>
3962 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3964 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3966 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3968 2006-04-03 Jeff Law <law@redhat.com>
3971 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3972 alias information too.
3974 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3976 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3978 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3981 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3982 (premark_used_types_helper): New.
3983 (premark_used_types): New.
3984 (gen_subprogram_die): Call premark_used_types.
3985 (prune_unused_types_walk): Do not prune perennial dies.
3986 * function.c (used_types_insert): New.
3987 * function.h (struct function): Add used_types_hash field.
3988 (used_types_insert): Add prototype.
3989 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3990 * c-parser.c (c_parser_cast_expression): Save casted types in used
3993 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3996 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3997 rs6000_explicit_options.float_gprs.
3999 2006-04-10 Roger Sayle <roger@eyesopen.com>
4001 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4002 from ix86_expand_vector_init_low_nonzero. Take an additional
4003 one_var argument indicating which element is non-zero. Support
4004 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4005 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4006 with one_var instead of ix86_expand_vector_init_low_nonzero.
4008 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4010 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4011 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4012 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4013 build/genextract.o): Depend on vecprim.h.
4014 * cfglayout.c, df-problems.c, function.c, genextract.c,
4015 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4016 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4020 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4022 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4023 Declare VECs of this type.
4024 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4025 (remove_children): Delete.
4026 (add_dwarf_attr): Use VEC routines.
4027 (add_AT_flag): Update for changes to add_dwarf_attr.
4028 (add_AT_int): Likewise.
4029 (add_AT_unsigned): Likewise.
4030 (add_AT_long_long): Likewise.
4031 (add_AT_vec): Likewise.
4032 (add_AT_string): Likewise.
4033 (add_AT_die_ref): Likewise.
4034 (add_AT_fde_ref): Likewise.
4035 (add_AT_loc): Likewise.
4036 (add_AT_loc_list): Likewise.
4037 (add_AT_addr): Likewise.
4038 (add_AT_lbl_id): Likewise.
4039 (add_AT_lineptr): Likewise.
4040 (add_AT_macptr): Likewise.
4041 (add_AT_offset): Likewise.
4042 (add_AT_range_list): Likewise.
4043 (get_AT): Use VEC_iterate.
4044 (remove_AT): Use VEC_ordered_remove.
4045 (free_die): Fold remove_children into here; have it use VEC_iterate.
4046 (print_die): Use VEC_iterate on attrs.
4047 (reverse_die_lists): Don't reverse attr lists.
4048 (die_checksum): Use VEC_iterate on attrs.
4049 (same_die_p): Likewise.
4050 (output_location_lists): Likewise.
4051 (build_abbrev_table): Likewise.
4052 (size_of_die): Likewise.
4053 (unmark_all_dies): Likewise.
4054 (output_abbrev_section): Likewise.
4055 (output_die): Likewise.
4056 (prune_unused_types_walk_attribs): Likewise.
4058 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4060 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4062 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4065 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4067 2006-04-09 Roger Sayle <roger@eyesopen.com>
4069 * expr.c (store_constructor): Don't bother clearing target if
4070 we're about to assign a vector to it using vec_init_optab.
4072 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4074 * tree-ssa-alias.c (lhs_may_store_to): New function.
4075 (recalculate_used_alone): Handle LHS of calls.
4077 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4081 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4082 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4083 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4084 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4085 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4086 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4087 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4088 stubs. Add ".align 8" directives before all ".dword" directives.
4089 (GTHREAD_USE_WEAK): Revise comment.
4090 (TARGET_ATTRIBUTE_WEAK): Define.
4091 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4092 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4093 * stublib.c: New file.
4098 * pa.md (cbranch patterns): Revise arguments used in calls to
4099 output_cbranch, output_bb and output_bvd. Add long branch length
4101 (fbranch patterns): Handle long branches.
4102 (jump): Revise length check. Revise arguments for output_lbranch call.
4103 Add long branch length attributes.
4104 (decrement_and_branch_until_zero): Add long branch length attributes.
4105 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4106 Likewise. Revise arguments for output_parallel_addb and
4107 output_parallel_movb calls.
4108 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4109 output_parallel_movb and output_parallel_addb): Update prototypes.
4110 * pa.c (output_cbranch): Revise arguments. Correct handling of
4111 nullification in long branches.
4112 (output_lbranch): Add new argument to control extraction of delay
4114 (output_bb): Handle long branches.
4115 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4116 output_parallel_addb): Likewise.
4118 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4120 PR rtl-optimization/27073
4121 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4124 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4126 * tree.h (tree_memory_tag): Add old_used_alone.
4127 (SMT_OLD_USED_ALONE): New macro.
4128 * tree-ssa-alias.c (recalculate_used_alone): Stop
4129 marking things for renaming unnecessarily.
4131 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4133 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4134 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4135 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4136 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4137 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4138 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4139 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4140 spelling convensions.
4141 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4142 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4143 typos. Follow spelling conventions.
4145 2006-04-07 DJ Delorie <dj@redhat.com>
4147 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4148 passed on the stack.
4149 (m32c_init_cumulative_args): When a function returns a structure,
4150 always pass the pointer to that return area on the stack.
4151 (m32c_function_arg_advance): Don't increment the parameter number
4152 if we're processing the returned structure pointer.
4153 (pushm_info): Reverse order of registers.
4155 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4157 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4158 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4159 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4160 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4162 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4163 chrec_fold_multiply): Same.
4164 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4165 force_expr_to_var_cost): Same.
4166 * tree-mudflap.c (mf_xform_derefs_1): Same.
4167 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4169 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4171 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4172 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4175 2006-04-07 Jan Hubicka <jh@suse.cz>
4177 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4179 2006-04-07 Richard Guenther <rguenther@suse.de>
4181 PR tree-optimization/26135
4182 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4183 loads for store copy-prop.
4184 (copy_prop_visit_stmt): Likewise.
4186 2006-04-05 Robert Millan <robertmh@gnu.org>
4188 * config/i386/linux.h: Add a comment to mark macros that are
4189 being overriden in config/k*bsd-gnu.h.
4190 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4192 * config/knetbsd-gnu.h: Ditto.
4194 2006-04-06 Jan Hubicka <jh@suse.cz>
4198 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4201 2006-04-06 Mike Stump <mrs@apple.com>
4203 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4204 for HAVE_nonlocal_goto to be consistent.
4205 (expand_builtin_nonlocal_goto): Likewise.
4206 (expand_builtin_strcmp): Use #ifdef instead of #if
4207 for HAVE_cmpstrnsi to be consistent.
4209 2006-04-05 DJ Delorie <dj@redhat.com>
4211 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4214 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4216 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4217 got-relative addressing for anything but SImode.
4219 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4220 even if the calling function doesn't modify them.
4222 2006-04-05 Richard Guenther <rguenther@suse.de>
4224 PR tree-optimization/26919
4225 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4226 to cgraph_estimate_size_after_inlining.
4228 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4230 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4232 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4234 PR tree-optimization/26996
4235 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4236 VECTOR_TYPE variables.
4238 2006-04-05 Richard Guenther <rguenther@suse.de>
4240 PR tree-optimization/26763
4241 * fold-const.c (fold_comparison): Move folding of
4242 PTR + CST CMP PTR + CST ...
4243 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4245 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4247 * doc/install.texi (Prerequisites): Refine some wording on
4248 bootstrapping and ksh.
4249 Move the version numbers of DejaGnu here from the testing section
4250 and fix casing of names.
4251 Fix markup and clarify wording for autogen requirements.
4252 Refer to GCJ instead of just java.
4253 Refer to SVN instead of CVS.
4254 Describe diffutils as useful instead of necessary.
4255 (Downloading the source): Refer to SVN instead of CVS.
4256 Adjust a link to our web site accordingly.
4257 (Configuration): Fix casing of Bison.
4258 (Building): Refer to SVN instead of CVS.
4259 Fix a sentence on the use of Bison and remove duplicate (and
4260 incorrect) version number of Bison requirement.
4261 Remove one redundant list of packages needed for building.
4262 (Specific): Avoid reference to CVS.
4264 2006-04-04 Eric Christopher <echristo@apple.com>
4266 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4267 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4268 (rs6000_handle_struct_attribute): New.
4269 (rs6000_ms_bitfield_layout_p): Ditto.
4271 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4273 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4274 NULL for dso parameter to atexit_common.
4276 2006-04-04 Eric Christopher <echristo@apple.com>
4278 * config/i386/i386.c (machopic_output_stub): Output \t
4279 between instructions and operands.
4281 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4283 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4284 satisfies_constraint_[IL] to explicit tests on value.
4286 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4288 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4289 set_nb_iterations_in_loop): Use build_int_cst instead of
4291 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4292 build_int_cst instead of convert.
4294 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4296 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4297 new value 2 for incoming.
4298 * function.c (expand_function_start): Call struct_value_rtx
4300 * config/sparc/sparc.md: Comment updated_return.
4301 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4302 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4303 struct return if sparc_std_struct_return and incoming is 2.
4304 (print_operand): Do not adjust return if
4305 sparc_std_struct_return.
4307 2006-04-04 Roger Sayle <roger@eyesopen.com>
4309 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4310 convert in the middle-end.
4311 * expr.c (store_expr, store_constructor, get_inner_reference,
4312 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4314 * tree.c (build_range_type): Likewise.
4316 2006-04-04 Tom Tromey <tromey@redhat.com>
4318 * doc/install.texi (Prerequisites): Mention jar.
4320 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4322 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4325 2006-04-04 Matthias Klose <doko@debian.org>
4327 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4328 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4331 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4333 * doc/extend.texi (Function Attributes): Rewrite visibility
4334 attribute documentation.
4335 * doc/invoke.texi (C++ Dialect Options): Rewrite
4336 -fvisibility-inlines-hidden documentation to describe something
4337 entirely different, although in practise compatible.
4338 (Code Gen Options): Warn about system headers in -fvisibility=
4341 * doc/extend.texi (Other Builtins): Document that
4342 __builtin_nan is a compile-time constant only when its argument
4345 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4347 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4348 trying to remove TRUNCATE check if all bits outside the new mode
4349 are identical to the sign bit.
4351 2006-04-03 Jeff Law <law@redhat.com>
4353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4354 and operand scanning in some common cases.
4356 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4357 Dale Johannesen <dalej@apple.com>
4360 * regclass.c (struct reg_pref): Update documentation.
4361 (regclass): Set prefclass to NO_REGS if memory is the best option.
4362 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4363 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4364 into account. For non-registers, equate an empty preferred
4365 reload class to a `!' in the constraint; move the if clause to
4366 do so after those that reject the insn.
4367 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4369 (find_dummy_reload): Likewise.
4370 * doc/tm.texi (Register Classes): Document what it means
4371 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4372 * config/i386/i386.c (ix86_preferred_reload_class): Force
4373 using SSE registers (and return NO_REGS for floating-point
4374 constants) if math is done with SSE.
4375 (ix86_preferred_output_reload_class): New.
4376 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4377 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4378 * config/i386/i386.md: Remove # register preferences.
4380 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4383 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4384 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4385 the type of nb_iter.
4386 (instantiate_parameters_1): Convert the operands before calling
4387 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4388 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4390 2006-04-02 Roger Sayle <roger@eyesopen.com>
4392 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4393 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4395 * dojump.c (do_jump): Likewise.
4396 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4397 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4398 gimplify_boolean_expr): Likewise.
4399 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4400 * varasm.c (array_size_for_constructor): Likewise.
4401 * tree-object-size.c (compute_object_offset): Likewise.
4403 2006-04-02 Roger Sayle <roger@eyesopen.com>
4406 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4407 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4409 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4411 PR tree-optimization/26939
4412 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4414 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4416 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4417 at_stmt. Convert the type of operands before calling
4418 build_polynomial_chrec.
4419 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4421 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4422 (instantiate_parameters_1): Convert the type of operands before calling
4423 build_polynomial_chrec.
4424 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4425 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4426 reset_evolution_in_loop): Insert asserts to check the types of the
4428 (chrec_type): Moved...
4429 (eq_evolutions_p): Use operand_equal_p.
4430 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4431 the types of the operands.
4432 (chrec_type): ...here.
4433 * tree-data-ref.c (create_data_ref): Convert the operands before
4434 calling chrec_replace_initial_condition.
4435 (same_access_functions, analyze_subscript_affine_affine,
4436 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4437 (compute_subscript_distance, analyze_ziv_subscript,
4438 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4439 analyze_miv_subscript): Convert the operands before calling
4440 chrec_fold_minus or chrec_fold_plus.
4442 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4444 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4445 the dependence_relations vector.
4446 (compute_data_dependences_for_loop): Adjust call to
4447 compute_all_dependences.
4449 2006-04-01 Roger Sayle <roger@eyesopen.com>
4450 Richard Henderson <rth@redhat.com>
4452 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4453 gimple_boolify on the condition before calling gimplify_expr.
4455 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4457 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4458 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4459 the frame size. Update to use the new macros.
4460 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4461 * config/xtensa/ieee754-df.S: Likewise.
4463 2006-03-31 Richard Henderson <rth@redhat.com>
4465 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4466 (make_edges): ... here. Control fallthru creation with a local
4467 variable. Do not play with fake edges.
4468 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4469 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4472 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4474 * dwarf2.h (DW64_CIE_ID): Define.
4475 * dwarf2out.c (DWARF_CIE_ID): Define.
4476 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4477 length header. Use DWARF_CIE_ID.
4478 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4479 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4481 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4483 * config/sh/linux-atomic.asm: New file.
4484 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4486 2006-03-31 DJ Delorie <dj@redhat.com>
4488 * config/m32c/cond.md: Set condition flags properly throughout.
4489 * config/m32c/minmax.md: Likewise.
4490 * config/m32c/prologue.md: Likewise.
4491 * config/m32c/bitops.md: Likewise.
4492 * config/m32c/muldiv.md: Likewise.
4493 * config/m32c/mov.md: Likewise.
4494 * config/m32c/addsub.md: Likewise.
4495 * config/m32c/m32c.md: Likewise.
4496 * config/m32c/jump.md: Likewise.
4497 * config/m32c/shift.md: Likewise.
4499 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4500 conditionally output the pattern for this.
4501 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4502 (m32c_compare_redundant): New.
4503 (m32c_output_compare): New.
4504 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4506 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4507 dest, not src. Allow other 4-byte modes.
4509 2006-03-30 Denis Chertykov <denisc@overta.ru>
4511 * doc/md.texi: Refer to avr/constraints.md instead of
4514 2006-03-30 Roger Sayle <roger@eyesopen.com>
4516 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4517 signed vs. unsigned comparison failures on some hosts.
4519 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4522 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4523 change to FLOAT_REGS.
4525 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4526 (rs6000_override_options): Use it.
4527 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4528 only for -mabi=spe/no-spe and -mabi=altivec.
4530 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4532 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4535 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4537 * Makefile.in: Rename docdir to gcc_docdir.
4539 2006-03-30 Roger Sayle <roger@eyesopen.com>
4542 * expr.c (emit_group_store): Optimize group stores into a pseudo
4543 register by using a paradoxical subreg to initialize the destination
4544 if the first or last member of the group specifies a "low part".
4546 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4549 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4550 * target.h (struct gcc_target.speculate_insn): Change type of the
4551 second parameter to 'int'.
4552 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4553 the second operand of the DEPS_LIST.
4554 (copy_DEPS_LIST_list): Update reference to the second operand of the
4556 * rtl.h (alloc_DEPS_LIST): Update signature.
4557 * sched-int.h (ds_t): Change typedef to 'int'.
4558 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4560 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4562 * haifa-sched.c (try_ready): Change condition to restore
4563 non-speculative pattern of the instruction.
4564 (process_insn_depend_be_in_spec): Code to keep probability of the
4565 speculative dependence non-decreasing.
4567 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4569 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4570 (single_move_for_movmem): ... this. Also change all uses.
4571 (bfin_expand_strmov): Renamed to...
4572 (bfin_expand_movmem): ... this. Also change all uses.
4573 * config/bfin/bfin.md (movstrsi): Renamed to...
4574 (movstrsi): ...this.
4576 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4578 PR tree-optimization/26830
4580 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4581 (copy_prop_visit_stmt): Remove write-only variable ann.
4582 (init_copy_prop): Check variable loop depth here. Do not simulate
4583 memory-tag and virtual operand PHIs except for store copy prop.
4585 2006-03-30 Richard Guenther <rguenther@suse.de>
4587 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4588 variants with double arguments.
4590 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4592 * genpreds.c (write_tm_constrs_h): Delete variable p.
4593 * genconditions.c (write_header): Add tm-constrs.h to included
4595 * genpeep.c (main): Add toplev.h to included headers.
4596 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4597 (build/genpeep.o): Add toplev.h dependency.
4598 * config/rs6000/constraints.md: Add "W" constraint.
4600 2006-03-29 Roger Sayle <roger@eyesopen.com>
4602 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4603 sizes by correctly testing whether the size fits a host integer.
4604 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4605 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4606 SImode range for the default sizetype and bitsizetype.
4608 2006-03-29 Roger Sayle <roger@eyesopen.com>
4610 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4611 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4612 quickly if the argument is already of the correct type.
4613 Call fold_build1 instead of build1. Tidy up blank lines.
4615 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4617 * genemit.c (main): Add tm-constrs.h to included headers.
4618 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4619 * genpeep.c (main): Add tm-constrs.h to included headers.
4620 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4621 (write_tm_constrs_h): this and write complete file.
4622 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4623 (write_insn_preds_c): Add tm-constrs.h to included headers.
4624 (gen_constrs): New variable.
4625 (parse_option): Parse "-c".
4626 (main): Invoke write_tm_constrs_h.
4627 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4628 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4629 (object_out_file): Add tm-constrs.h dependency.
4630 (insn-emit.o): Same.
4631 (insn-output.o): Same.
4632 (insn-peep.o): Same.
4633 (insn-preds.o): Same.
4634 (insn-recog.o): Same.
4635 (tm-constsr.h): New target.
4636 (s-constrs-h): New target.
4638 * config/rs6000/constraints.md: New file.
4639 * config/rs6000/rs6000.c: Include tm-constrs.h.
4640 (num_insn_constant_wide): Convert to satisfies_constraint.
4641 (rs6000_rtx_costs): Convert to satisfies_constraint.
4642 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4643 (CONST_OK_FOR_LETTER_P): Delete.
4644 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4645 (EXTRA_CONSTRAINT): Delete.
4646 (EXTRA_MEMORY_CONSTRAINT): Delete.
4647 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4648 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4649 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4650 satisfies_constraint.
4652 * config/i386/i386.c: Include tm-constrs.h.
4654 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4656 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4657 * tree-data-ref.c (find_data_references_in_loop,
4658 compute_data_dependences_for_loop): Use pointers to VEC.
4659 (analyze_all_data_dependences): Adjust calls.
4660 * tree-data-ref.h (find_data_references_in_loop,
4661 compute_data_dependences_for_loop): Adjust declarations.
4662 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4663 compute_data_dependences_for_loop.
4665 2006-03-29 Paul Brook <paul@codesourcery.com>
4667 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4670 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4672 PR tree-optimization/26859
4673 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4675 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4676 for the step after fold_convert.
4678 2006-03-29 Paul Brook <paul@codesourcery.com>
4680 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4681 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4683 2006-03-29 Paul Brook <paul@codesourcery.com>
4686 * targhooks.c (default_narrow_bitfield): New fuction.
4687 * targhooks.h (default_narrow_bitfield): add prototype.
4688 * target.h (gcc_target): Add narrow_volatile_bitfield.
4689 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4690 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4691 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4692 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4694 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4696 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4698 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4699 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4700 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4701 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4702 (s390_function_arg_float): Allow SDmode and DDmode values to be
4703 passed in floating point registers.
4704 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4705 check with SCALAR_FLOAT_MODE_P.
4706 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4708 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4710 PR tree-optimization/25985
4711 * tree-ssa-loop-niter.c (number_of_iterations_le,
4712 number_of_iterations_ne): Make comments more precise.
4713 (number_of_iterations_cond): Add only_exit argument. Use the
4714 fact that signed variables do not overflow only when only_exit
4716 (loop_only_exit_p): New.
4717 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4718 number_of_iterations_cond.
4720 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4722 PR tree-optimization/26643
4723 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4726 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4728 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4729 (divsi3_i4_int): Likewise.
4731 2006-03-28 Roger Sayle <roger@eyesopen.com>
4733 * expr.c (emit_group_store): Only create a new pseudo reg if the
4734 quantity it needs to hold isn't already a suitable pseudo.
4736 2006-03-28 Jeff Law <law@redhat.com>
4738 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4739 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4741 2006-03-28 Roger Sayle <roger@eyesopen.com>
4743 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4744 the equivalent ~X & Y, and the symmetry related transformations.
4745 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4746 ~X & Y, and symmetry related transforms.
4748 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4750 Revert my 2006-03-27 patches.
4752 2006-03-28 Roger Sayle <roger@eyesopen.com>
4754 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4755 ~(T1)X, when T1 and T2 are integer types of the same precision
4756 and (T2)X isn't an extension.
4758 2006-03-28 Jeff Law <law@redhat.com>
4760 PR tree-optimization/26796
4761 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4762 need EH edge cleanups rather than purging them immediately.
4763 (eliminate_degenerate_phis): Handle queued EH cleanups.
4765 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4767 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4770 2006-03-27 Roger Sayle <roger@eyesopen.com>
4773 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4774 cast BIT_NOT_EXPR operand to the correct type.
4776 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4778 * tree-loop-linear.c: Don't include varray.h.
4779 (gather_interchange_stats, try_interchange_loops,
4780 linear_transform_loops): Use VEC instead of VARRAY.
4781 * lambda-mat.c: Don't include varray.h.
4782 * tree-chrec.c: Same.
4783 * lambda-trans.c: Same.
4784 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4785 VEC instead of VARRAY.
4786 * tree-vectorizer.h: Idem.
4787 * tree-data-ref.c (dump_data_references,
4788 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4789 initialize_data_dependence_relation, finalize_ddr_dependent,
4790 compute_all_dependences, find_data_references_in_loop,
4791 compute_data_dependences_for_loop, analyze_all_data_dependences,
4792 free_dependence_relation, free_dependence_relations,
4793 free_data_refs): Idem.
4794 * tree-data-ref.h (data_reference_p, subscript_p): New.
4795 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4796 VEC instead of VARRAY.
4797 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4798 (find_data_references_in_loop, compute_data_dependences_for_loop,
4799 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4800 dump_data_dependence_relations, free_dependence_relations,
4801 free_data_refs): Adjust declaration.
4802 (lambda_transform_legal_p): Move declaration here...
4803 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4804 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4805 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4806 vect_analyze_data_refs): Use VEC instead of VARRAY.
4807 * lambda.h (lambda_transform_legal_p): ...from here.
4808 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4809 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4810 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4811 tree-chrec.o): Don't depend on VARRAY_H.
4813 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4815 * rtl.def (Copyright): Update date.
4816 (DEPS_LIST): Change type of the second operand to 'int'.
4817 * target.h (Copyright): Update date.
4818 (struct gcc_target.speculate_insn): Change type of the second parameter
4820 * lists.c (Copyright): Update date.
4821 (alloc_DEPS_LIST): Change signature. Update reference to the second
4822 operand of the DEPS_LIST.
4823 (copy_DEPS_LIST_list): Update reference to the second operand of the
4825 * rtl.h (Copyright): Update date.
4826 (alloc_DEPS_LIST): Update signature.
4827 * sched-int.h (Copyright): Update date.
4828 (ds_t): Change typedef to 'int'.
4829 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4831 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4833 * haifa-sched.c (Copyright): Update date.
4834 (try_ready): Change condition to restore non-speculative pattern
4836 (process_insn_depend_be_in_spec): Code to keep probability of the
4837 speculative dependence non-decreasing.
4839 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4841 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4842 shut up the compiler.
4844 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4846 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4847 to use lib prefix for target.
4848 ($(T)libic_invalidate_array_4-200.a): Likewise.
4849 ($(T)libic_invalidate_array_4a.a): Likewise.
4851 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4852 J"orn Rennecke <joern.rennecke@st.com>
4854 * superh.opt: New file.
4855 * sh.c (boardtype, osruntime): Remove.
4856 * superh.h (SUBTARGET_OPTIONS): Remove.
4857 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4859 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4860 arguments with ^ and/or [].
4862 * config.gcc (sh-*-*): Add quoting to account for quirk of
4864 Replace == with = in enable_incomplete_targets test.
4866 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4867 with MASK_LITTLE_ENDIAN.
4869 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4870 * config/sh/sh.opt: Added to some comments.
4871 * config/sh/superh.h: Removed some chaff.
4873 * config/sh/sh.opt: Add m4-[1234]00* options.
4874 * config/sh/sh.c (sh_handle_option): Likewise.
4875 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4876 (ic_invalidate_array_4-100.o): New rule.
4877 ($(T)libic_invalidate_array_4-100.a): Likewise.
4878 (ic_invalidate_array_4-200.o): Likewise.
4879 ($(T)libic_invalidate_array_4-200.a): Likewise.
4880 (ic_invalidate_array_4a.o): Likewise.
4881 ($(T)libic_invalidate_array_4a.a): Likewise.
4882 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4883 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4885 * config/sh/crt1.asm: Merged in profiling code.
4886 * config/sh/superh.h (STARTFILE_SPEC): Override.
4887 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4888 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4889 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4891 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4892 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4893 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4895 * sh.opt (mpretend-cmove): New option.
4896 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4897 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4898 (movsicc): Add TARGET_PRETEND_CMOVE code.
4900 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4902 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4903 s390_class_max_nregs): New function prototypes.
4904 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4905 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4906 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4907 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4909 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4911 * dwarf2out.c (add_location_or_const_value_attribute): Call
4912 tree_add_const_value_attribute if nothing else works.
4913 (reference_to_unused): New.
4914 (rtl_for_decl_init): Use reference_to_unused to decide whether
4915 to output an initializer.
4917 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4920 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4921 peephole removing spe frob_di_df_2.
4923 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4925 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4926 (subscript_dependence_tester_1): Declared.
4927 (print_dir_vectors, print_dist_vectors): New.
4928 (debug_data_dependence_relation): New.
4929 (dump_data_dependence_relation): Print more details.
4930 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4931 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4932 (save_dist_v, save_dir_v, add_outer_distances,
4933 build_classic_dist_vector_1): New.
4934 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4935 Don't test for lambda_vector_lexico_pos.
4936 (same_access_functions, add_multivariate_self_dist,
4937 add_other_self_distances, dir_from_dist): New.
4938 (build_classic_dir_vector): Replace implementation almost identical to
4939 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4941 (subscript_dependence_tester_1): New.
4942 (subscript_dependence_tester): Handle the lexicographically negative
4943 distance vectors by recomputing the dependence relation.
4944 (compute_affine_dependence): Remove parameter loop_nest_depth.
4945 (compute_self_dependence): Don't call compute_subscript_distance.
4946 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4947 Add a parameter for the loop_nest.
4948 (find_loop_nest_1, find_loop_nest): New.
4949 (compute_data_dependences_for_loop): Compute the loop nest, and give
4950 up if the nest is not well formed.
4951 * tree-data-ref.h (loop_p): New.
4952 (struct data_dependence_relation): Replace size_vect field with
4953 loop_nest, a vec of loops.
4954 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4955 (DDR_LOOP_NEST): New.
4956 (print_dir_vectors, print_dist_vectors,
4957 debug_data_dependence_relation): Declared.
4958 (index_in_loop_nest): New.
4959 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4960 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4963 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4965 * simplify-rtx.c (simplify_relational_operation): Call
4966 simplify_relational_operation_1 even if mode is VOIDmode.
4968 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4970 PR tree-optimization/26804
4971 * tree.h (DECL_CALL_CLOBBERED): New macro.
4972 (tree_decl_common): Add call_clobbered_flag.
4973 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4974 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4975 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4976 (mark_non_addressable): Ditto.
4977 * tree-ssa.c (verify_call_clobbered): New function.
4978 (verify_alias_info): Use it.
4979 * tree-pass.h (pass_reset_cc_flags): New prototype.
4980 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4981 (reset_cc_flags): New function.
4982 * passes.c (init_optimization_passes): Call reset_cc_flags after
4983 initializing referenced_vars.
4985 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4986 Roger Sayle <roger@eyesopen.com>
4989 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4990 to 1.0 for non-real operands. Implement A / A optimization for
4993 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4995 * config/i386/i386.c (size_cost): Correct the comment for
4996 cost of storing fp registers.
4997 (i386_cost): Likewise.
4998 (i486_cost): Likewise.
4999 (pentium_cost): Likewise.
5000 (pentiumpro_cost): Likewise.
5001 (k6_cost): Likewise.
5002 (athlon_cost): Likewise.
5003 (k8_cost): Likewise.
5004 (pentium4_cost): Likewise.
5005 (nocona_cost): Likewise.
5006 (generic64_cost): Likewise.
5007 (generic32_cost): Likewise.
5009 2006-03-24 Denis Chertykov <denisc@overta.ru>
5011 * config/avr/avr-protos.h (extra_constraint): Delete.
5012 (extra_constraint_Q): New declaration.
5013 * config/avr/constraints.md: New file.
5014 * config/avr/avr.md: Include it.
5015 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5016 (TMP_REGNO, ZERO_REGNO): Likewise.
5017 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5018 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5019 (extra_constraint): Delete.
5020 (extra_constraint_Q): Test for memory constraint 'Q'.
5021 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5022 (REG_CLASS_FROM_LETTER): Delete.
5023 (CONST_OK_FOR_LETTER_P): Delete.
5024 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5025 (EXTRA_CONSTRAINT): Delete.
5026 (TMP_REGNO): Delete.
5027 (ZERO_REGNO): Delete.
5029 2006-03-24 Jeff Law <law@redhat.com>
5031 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5032 directly. Call mark_new_vars_to_rename slightly earlier.
5034 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5036 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5038 (gen_compile_unit_die): Use new language types for Objective-C and
5040 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5041 DW_LANG_C_plus_plus.
5044 * config/t-darwin (crt3.o): Work around bug 26840.
5045 * config/darwin-crt3.c: Rewrite.
5046 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5048 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5050 * doc/invoke.texi: Document -femit-class-debug-always
5051 * common.opt: Add -femit-class-debug-always.
5053 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5055 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5056 index and base register.
5057 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5058 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5059 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5060 REGNO_OK_FOR_INDEX_P.
5061 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5063 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5064 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5065 REG_OK_FOR_BASE_P): Definitions removed.
5067 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5070 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5071 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5072 set yet or weren't marked as local yet.
5074 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5076 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5079 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5081 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5082 (rs6000_legitimate_small_data_p): Delete.
5083 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5084 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5085 and make static. Add forward declaration. Update uses.
5086 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5087 of offsettable_memref_p.
5088 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5089 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5091 2006-03-24 Jeff Law <law@redhat.com>
5093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5094 around bug in immediate-use iterator.
5096 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5099 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5100 or __LITTLE_ENDIAN__.
5102 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5104 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5105 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5106 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5107 * config/sh/sh.opt (mdiv=): Amend description.
5108 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5109 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5110 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5111 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5112 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5113 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5114 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5115 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5116 TARGET_DIVIDE_CALL_FP.
5118 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5120 * haifa-sched.c (choose_ready): Fix type of the local variable.
5121 Move local variables. Add comment.
5122 (check_reg_live): Change signature. Make callable from debugger.
5123 * sched-int.h (check_reg_live): Update signature.
5124 * sched-ebb.c (check_reg_live): Update parameters.
5125 * sched-rgn.c (check_reg_live): Ditto.
5126 (region_head_or_leaf_p): Check pointer before dereferencing.
5127 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5128 before reload on optimization levels below 1.
5130 2006-03-23 Richard Henderson <rth@redhat.com>
5132 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5136 * config/alpha/predicates.md (local_symbolic_operand): Reject
5139 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5142 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5143 expressions which have overflowed constants.
5145 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5147 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5149 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5151 * cfgloopmanip.c (create_loop_notes): Removed.
5152 * final.c (final_scan_insn): Do not handle loop notes.
5153 * jump.c (squeeze_notes): Ditto.
5154 * cfglayout.c (skip_insns_after_block,
5155 duplicate_insn_chain): Ditto.
5156 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5158 * cfgloop.h (create_loop_notes): Declaration removed.
5160 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5162 * varasm.c (output_constant_pool): Restore fnname and fndecl
5164 (assemble_start_function): Adjust call accordingly.
5165 (assemble_end_function): Likewise.
5167 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5170 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5173 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5175 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5178 * system.h (ICE_EXIT_CODE): New macro.
5179 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5180 (diagnostic_action_after_output): Likewise.
5181 * gcc.c (fatal_ice): New function.
5182 (execute): Use it instead of fatal.
5183 (fancy_abort): Likewise.
5184 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5186 2006-03-22 Jeff Law <law@redhat.com>
5188 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5189 iv_analyze_result returning false.
5191 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5193 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5195 2006-03-22 Richard Henderson <rth@redhat.com>
5198 * except.c (duplicate_eh_regions_0): New.
5199 (duplicate_eh_region_1): Duplicate the children of the node as
5200 well as the node itself. Link them up properly.
5201 (duplicate_eh_region_2): Merge into ...
5202 (duplicate_eh_regions): ... here. Take copy_region argument, and
5203 copy only a sub-tree if asked. Simplify copying and fixup.
5204 (eh_region_outer_p): New.
5205 * except.h (duplicate_eh_regions): Update decl.
5206 (eh_region_outer_p): Declare.
5207 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5208 (lower_omp_master): Likewise.
5209 (lower_omp_ordered): Likewise.
5210 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5211 (move_stmt_r): Use it to remap labels. Handle recursion vs
5212 remap_decls_p properly.
5213 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5214 (find_outermost_region_in_block): New.
5215 (new_label_mapper): New.
5216 (move_sese_region_to_fn): Copy eh information to the new function
5218 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5220 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5223 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5225 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5226 into shared libraries.
5228 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5230 * doc/md.texi: Refer to i386/constraints.md instead of
5232 * config/i386/constraints.md: New file, extracted from...
5233 * config/i386/predicates.md: ...here.
5234 * config/i386/i386.md: Include constraints.md.
5236 2006-03-21 Jason Merrill <jason@redhat.com>
5238 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5241 * expr.c (init_block_move_fn): Force default visibility.
5242 (init_block_clear_fn): Likewise.
5243 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5244 * targhooks.c (default_external_stack_protect_fail): Likewise.
5246 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5248 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5249 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5250 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5251 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5252 (loadgp): Use mips_current_loadgp_style.
5253 (loadgp_noshared): New pattern.
5254 (sibcall_internal): Use MIPS_CALL.
5255 (sibcall_value_internal): Likewise.
5256 (sibcall_value_multiple_internal): Likewise.
5257 (call_internal): Likewise.
5258 (call_value_internal): Likewise.
5259 (call_value_multiple_internal): Likewise.
5260 (call_split): Use MIPS_CALL and add an 'S' constraint.
5261 (call_value_split): Likewise.
5262 (call_value_multiple_split): Likewise.
5263 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5264 (-mshared): New option.
5265 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5266 (mips_current_loadgp_style): Declare.
5267 * config/mips/mips.c (mips_classify_symbol): Avoid using
5268 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5269 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5270 TARGET_ABSOLUTE_ABICALLS.
5271 (override_options): Adjust comments. Improve the warning that is
5272 issued when -mabicalls and -G are used together.
5273 (mips_file_start): Remove comment.
5274 (mips_current_loadgp_style): New function.
5275 (mips_gnu_local_gp): New variable.
5276 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5278 (mips_output_function_prologue): Use mips_current_laodgp_style.
5279 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5280 the cprestore instruction.
5281 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5282 live for TARGET_ABSOLUTE_ABICALLS.
5283 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5284 (ASM_SPEC): Pass down -mshared and -mno-shared.
5285 (MIPS_CALL): New macro.
5286 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5288 * doc/invoke.texi (-mabicalls): Update documentation.
5289 (-mshared): Document.
5291 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5293 * config/ia64/unwind-hpux.c: New file.
5294 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5296 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5299 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5301 2006-03-21 Jeff Law <law@redhat.com>
5303 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5304 type conversions of a VR_VARYING source to a wider type.
5306 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5308 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5309 tm_file on Solaris 10 and later.
5310 (sparc64-*-solaris2*): Likewise.
5311 (sparc-*-solaris2*): Likewise.
5312 * config/sol26.h: Rename to config/sol2-6.h.
5313 * config/sol2-10.h: New file.
5315 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5318 * tree-ssa-pre.c (create_component_ref_by_pieces):
5321 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5324 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5325 return it immediately.
5327 2006-03-21 Michael Matz <matz@suse.de>
5329 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5331 (remove_arc, add_arc): Update num_out_arcs member.
5332 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5334 (cache_presence): New function.
5335 (compare_states_for_equiv): New function.
5336 (state_is_differed): Don't take number of outargs, adjust callers.
5337 Use new invariant for speeding up.
5338 (init_equiv_class): Create initial classes based on sorted
5340 (partition_equiv_class): Don't track out_arcs_num.
5341 (evaluate_equiv_classes): Call cache_presence on all states and
5344 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5346 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5347 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5348 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5349 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5351 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5352 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5353 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5354 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5355 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5357 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5358 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5359 (REGNO_REG_CLASS): ARGP is in PREGS.
5360 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5362 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5363 to deal with those addresses.
5364 * addresses.h: New file.
5365 * caller-save.c: Include "addresses.h".
5366 (init_caller_save): Use new base_reg_class function.
5367 * rtl-factoring.c: Include "addresses.h".
5368 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5369 * recog.c: Include "addresses.h".
5370 (preprocess_constraints): Use new base_reg_class function.
5371 * regrename.c: Include "addresses.h".
5372 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5373 functions. Keep track of a new var INDEX_CODE to compute valid
5375 (replace_oldest_value_addr): Likewise.
5376 (replace_oldest_value_mem): Use base_reg_class.
5377 * reload.c: Include "addresses.h".
5378 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5379 (find_reloads): Use new base_reg_class function.
5380 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5381 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5382 all callers and prototype changed.
5383 * reload1.c: Include "addresses.h".
5384 (maybe_fix_stack_asms): Use base_reg_class.
5385 * regclass.c: Include "addresses.h".
5386 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5387 (init_reg_autoinc): Use new base_reg_class function.
5388 (record_reg_classes): Likewise.
5389 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5390 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5391 Use new args to compute necessary class.
5393 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5394 regrename.o, rtl-factoring.o): Update dependencies.
5395 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5396 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5397 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5398 REG_OK_FOR_INDEX_P): Delete documentation.
5400 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5402 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5403 from V7 to V9 for Solaris 7 and above.
5405 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5407 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5408 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5409 argument pointers may not alias any other storage.
5410 * common.opt: Define option -fargument-noalias-anything.
5411 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5412 alias semantics is specified by flag_argument_noalias > 2.
5414 2006-03-20 Jeff Law <law@redhat.com>
5416 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5417 (pass_phi_only_cprop): Declare.
5418 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5420 * tree-ssa-dom.c (degenerate_phi_result): New function.
5421 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5422 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5423 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5424 (eliminate_degenerate_phis): Likewise.
5425 (pass_phi_only_cprop): New pass descriptor.
5426 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5427 support code. Callers updated.
5428 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5429 (store_copy_prop): Likewise.
5430 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5432 2006-03-20 Jason Merrill <jason@redhat.com>
5435 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5436 (push_visibility, pop_visibility): Likewise.
5437 * c-pragma.h: Declare them.
5439 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5441 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5443 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5444 parameter and use get_ebb_head_tail.
5445 (sh_md_init_global): Adjust uses of find_regmode_weight.
5447 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5449 * function.h (struct function) <x_tail_recursion_reentry>:
5450 Rename to x_stack_check_probe_note.
5451 (tail_recursion_reentry): Rename to stack_check_probe_note.
5452 * function.c: Replace tail_recursion_reentry with
5453 stack_check_probe_note everywhere.
5454 (expand_function_start): Only emit a note for
5455 stack_check_probe_note with -fstack-protect.
5456 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5458 * emit-rtl.c (remove_unnecessary_notes): Remove.
5459 (pass_remove_unnecessary_notes): Remove.
5460 * rtl.h (remove_unnecessary_notes): Remove prototype.
5461 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5462 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5463 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5465 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5468 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5469 (valid_in_set): Handle ARRAY_REF.
5470 Change "if min_variant or VH" to asserts.
5471 (create_component_ref_by_pieces): Handle ARRAY_REF.
5472 (create_expression_by_pieces): Likewise.
5473 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5475 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5477 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5478 is operand of switch, not str[0].
5480 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5482 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5483 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5485 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5487 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5488 end of insn_extra_address_constraint declaration.
5490 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5492 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5493 (no-sum-in-toc): Same.
5494 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5496 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5497 NO_FP_IN_TOC for -fPIC instead of mask.
5499 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5500 (BOOT_LDFLAGS): Delete.
5502 * config/rs6000/t-aix52: Same.
5504 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5505 (stmsi[345678]_power): New.
5507 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5509 * config/ia64/ia64.opt: Add empty line to end of file.
5511 2006-03-17 Richard Guenther <rguenther@suse.de>
5514 * builtins.c (get_pointer_alignment): For component style references
5515 adjust alignment to the component type alignment. Make sure
5516 to adjust alignment for component access of constants.
5518 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5520 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5523 2006-03-17 Paul Brook <paul@codesourcery.com>
5525 * doc/install.texi: Docuemnt --with-mode.
5526 * config.gcc: Add --with-mode for arm*-*-*.
5527 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5529 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5531 * sh.c (max_labelno_before_reorg): New variable.
5532 (sh_reorg): Initialize it.
5533 (find_barrier): Check max_labelno_before_reorg before using
5534 label_to_alignment. Take length of explicit alignment insns
5535 into account. When seeing a UNSPECV_CONST_END, return it.
5537 * sh.c (fixup_mova): Set mode of affected label to QImode.
5538 (untangle_mova): New function.
5539 (find_barrier): Use it. Check mode of label before decrementing
5541 (sh_reorg): Likewise.
5542 Set mode of all insns back to VOIDmode.
5544 * sh.c (MOVA_LABELREF): New macro.
5545 (mova_p, fixup_mova, sh_reorg): Use it.
5546 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5547 ADDR_DIFF_VEC matches mova.
5549 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5551 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5552 with ATTRIBUTE_UNUSED.
5554 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5556 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5557 pointer, instead of assuming it is possible to derive the
5558 correct args size from a call insn.
5560 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5562 * rtl.h (CONST_INT_P): Define.
5563 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5564 instead of GET_CODE(x) == CONST_INT.
5565 (vax_rtx_costs): Likewise.
5566 (vax_output_int_move): Likewise.
5567 (vax_output_int_add): Likewise.
5568 (legitimate_constant_address_p): Likewise.
5569 (index_term_p): Likewise.
5570 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5571 * config/vax/vax.md (and<mode>3): Likewise.
5572 (ashrsi3): Likewise.
5574 (movstricthi): Likewise.
5575 (movstrictqi): Likewise.
5576 (rotrsi3): Likewise.
5577 (five unnamed insns): Likewise.
5579 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5581 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5582 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5583 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5584 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5585 Pass to ASM_OUTPUT_DWARF_OFFSET.
5586 * dwarf2out.c (debug_frame_section): New.
5587 (output_call_frame_info): Use debug_frame_section. Pass it to
5588 dw2_asm_output_offset.
5589 (output_die): Pass appropriate section to dw2_asm_output_offset.
5590 (output_compilation_unit_header): Likewise.
5591 (output_pubnames): Likewise.
5592 (output_aranges): Likewise.
5593 (enum dw_val_class): Break dw_val_class_lbl_offset into
5594 dw_val_class_lineptr and dw_val_class_macptr.
5595 (add_AT_lbl_offset): Delete.
5596 (add_AT_lineptr): New.
5597 (add_AT_macptr): New.
5598 (AT_lbl): Expect a lineptr or macptr.
5599 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5600 (attr_checksum): Likewise.
5601 (same_dw_val_p): Likewise.
5602 (size_of_die): Likewise.
5603 (value_format): Likewise.
5604 (output_die): Likewise.
5605 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5607 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5608 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5609 * config/darwin-protos.h (darwin_file_start): New.
5610 (darwin_asm_output_dwarf_offset): New.
5611 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5612 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5614 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5615 if not EH section; simplify.
5616 (darwin_file_start): New.
5617 (darwin_asm_output_dwarf_offset): New.
5618 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5620 (DEBUG_INFO_SECTION): Likewise.
5621 (DEBUG_ABBREV_SECTION): Likewise.
5622 (DEBUG_ARANGES_SECTION): Likewise.
5623 (DEBUG_MACINFO_SECTION): Likewise.
5624 (DEBUG_LINE_SECTION): Likewise.
5625 (DEBUG_LOC_SECTION): Likewise.
5626 (DEBUG_PUBNAMES_SECTION): Likewise.
5627 (DEBUG_STR_SECTION): Likewise.
5628 (DEBUG_RANGES_SECTION): Likewise.
5629 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5630 (ASM_OUTPUT_DWARF_OFFSET): New.
5632 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5634 * config.gcc (tm_defines): Always add to previous value rather
5637 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5639 * config/mips/predicates.md (splittable_const_int_operand): New,
5640 split from move_operand.
5641 (splittable_symbolic_operand): New.
5642 (move_operand): Add commentary. Use splittable_const_int_operand.
5643 Inline mips_atomic_symbolic_constant_p.
5644 * config/mips/mips.md: Add combine splitters for handling moves
5645 of splittable_const_int_operands and splittable_symbolic_operands.
5646 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5647 (mips_split_symbol): Declare.
5648 (mips_move_integer): Declare.
5649 * config/mips/mips.c (mips_split_p): Make global.
5650 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5651 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5652 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5653 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5654 (mips_offset_within_object_p): Handle block symbols.
5655 (mips_atomic_symbolic_constant_p): Delete.
5656 (mips_cannot_force_const_mem): Return false for constants that
5657 mips_legitimize_move can handle.
5658 (mips_use_blocks_for_constant_p): New function.
5659 (mips_split_symbol): Make global.
5660 (mips_move_integer): Likewise. Add a temporary register argument.
5661 (mips_legitimize_const_move): Use splittable_const_int_operand and
5662 splittable_symbolic_operand.
5663 (mips_use_anchors_for_symbol_p): New function.
5664 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5665 (mips_split_p): Declare.
5667 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5669 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5670 (mips*-*-linux*): Likewise.
5672 2006-03-16 Roger Sayle <roger@eyesopen.com>
5673 Daniel Speyer <dspeyer@wam.umd.edu>
5676 * tree-dump.c (dump_real): New function.
5677 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5678 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5679 (tree-dump.o): Add $(REAL_H) to the dependencies.
5681 2006-03-16 Roger Sayle <roger@eyesopen.com>
5684 * real.c (real_from_string): If the mantissa is zero, don't bother
5685 parsing the exponent as the result should always be zero.
5687 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5689 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5691 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5693 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5694 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5695 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5696 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5697 ia64_sched_finish_global): New static functions to implement
5698 hooks from gcc_target.sched.
5699 (spec_check_no, max_uid, pending_data_specs): New static variables.
5700 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5701 ia64_spec_check_src_p): New static functions.
5702 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5703 (TARGET_SCHED_ADJUST_COST): Removed.
5704 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5705 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5706 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5707 TARGET_SCHED_GEN_CHECK,
5708 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5709 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5710 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5711 Fixed to handle speculation checks.
5712 (rtx_needs_barrier): Fixed to handle speculative loads and
5714 (ia64_variable_issue): Added code to count speculative loads and their
5716 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5718 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5720 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5722 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5723 (ia64_reorg): Reset stops_p to NULL after it is freed.
5724 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5725 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5726 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5728 (data_speculative, control_speculative, check_load): New attributes.
5729 (mov<mode>_advanced, mov<mode>_speculative,
5730 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5731 zero_extend<mode>di2_speculative,
5732 zero_extend<mode>di2_speculative_advanced): New patterns for
5733 data and control speculative loads.
5734 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5736 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5737 New pattern for data and control speculation checks.
5738 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5739 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5740 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5741 Auxiliary definitions for the patterns.
5742 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5743 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5745 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5747 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5748 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5749 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5750 New resource constraints.
5751 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5753 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5754 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5755 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5756 msched-in-control-spec, msched-ldc, msched-control-ldc,
5757 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5758 msched-prefer-non-control-spec-insns,
5759 msched-count-spec-in-critical-path): New flags to tune speculative
5761 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5762 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5763 msched-in-control-spec, msched-ldc, msched-control-ldc,
5764 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5765 msched-prefer-non-control-spec-insns,
5766 msched-count-spec-in-critical-path): Document new flags.
5768 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5770 * target.h (struct spec_info_def): New opaque declaration.
5771 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5772 speculate_insn, needs_block_p, gen_check,
5773 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5774 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5775 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5776 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5777 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5778 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5780 (TARGET_SCHED): Use new macros.
5781 * rtl.h (copy_DEPS_LIST_list): New prototype.
5782 * sched-int.h (struct sched_info): Change signature of new_ready field,
5783 adjust all initializations. New fields: add_remove_insn,
5784 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5785 region_head_or_leaf_p.
5786 (struct spec_info_def): New structure declaration.
5787 (spec_info_t): New typedef.
5788 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5789 recovery_block, orig_pat.
5790 (glat_start, glat_end): New variables declaraions.
5791 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5793 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5794 DETACH_LIFE_INFO, USE_GLAT.
5795 (enum SPEC_SCHED_FLAGS): New enumeration.
5796 (NOTE_NOTE_BB_P): New macro.
5797 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5798 attach_life_info, debug_spec_status, check_reg_live): New functions.
5799 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5800 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5802 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5803 * ddg.c (get_block_head_tail): Adjust all uses.
5804 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5805 (sms_sched_info): Initialize new fields.
5806 (contributes_to_priority): Removed.
5807 * haifa-sched.c (params.h): New include.
5808 (get_block_head_tail): Adjust all uses.
5809 (ISSUE_POINTS): New macro.
5810 (glat_start, glat_end): New global variables.
5811 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5812 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5813 old_last_basic_block, before_recovery, current_sched_info_var,
5814 rgn_n_insns, luid): New static variables.
5815 (insn_cost1): New function. Move logic from insn_cost to here.
5816 (find_insn_reg_weight1): New function. Move logic from
5817 find_insn_reg_weight to here.
5818 (reemit_notes, move_insn, max_issue): Change signature.
5819 (move_insn1): Removed.
5820 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5821 extend_bb): New static functions to support extension of scheduler's
5823 (generate_recovery_code, process_insn_depend_be_in_spec,
5824 begin_speculative_block, add_to_speculative_block,
5825 init_before_recovery, create_recovery_block, create_check_block_twin,
5826 fix_recovery_deps): New static functions to support
5827 generation of recovery code.
5828 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5829 restore_bb_notes, move_block_after_check, move_succs): New static
5830 functions to support ebb scheduling.
5831 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5832 functions to support handling of register live information.
5833 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5834 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5835 add_jump_dependencies): New static functions.
5836 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5837 consistancy checking.
5838 (debug_spec_status): New function to call from debugger.
5839 (priority): Added code to handle speculation checks.
5840 (rank_for_schedule): Added code to distinguish speculative instructions.
5841 (schedule_insn): Added code to handle speculation checks.
5842 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5843 Fixed to handle ebbs.
5844 (move_insn): Added code to handle ebb scheduling.
5845 (max_issue): Added code to use ISSUE_POINTS of instructions.
5846 (choose_ready): Added code to choose between speculative and
5847 non-speculative instructions.
5848 (schedule_block): Added code to handle ebb scheduling and scheduling of
5849 speculative instructions.
5850 (sched_init): Initialize new variables.
5851 (sched_finish): Free new variables. Print statistics.
5852 (try_ready): Added code to handle speculative instructions.
5853 * lists.c (copy_DEPS_LIST_list): New function.
5854 * sched-deps.c (extend_dependency_caches): New function. Move logic
5855 from create_dependency_caches to here.
5856 (get_dep_weak, ds_merge): Make global.
5857 * genattr.c (main): Code to output prototype for
5858 dfa_clear_single_insn_cache.
5859 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5860 (output_dfa_clean_insn_cache_func): Code to output
5861 dfa_clear_single_insn_cache function.
5862 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5864 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5866 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5867 New static variables.
5868 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5869 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5871 (ebb_sched_info): Initialize new fields.
5872 (get_block_head_tail): Adjust all uses.
5873 (compute_jump_reg_dependencies): Fixed to use glat_start.
5874 (schedule_ebb): Code to remove unreachable last block.
5875 (schedule_ebbs): Added code to update register live information.
5876 * sched-rgn.c (region_sched_info): Initialize new fields.
5877 (get_block_head_tail): Adjust all uses.
5878 (last_was_jump): Removed. Adjust users.
5879 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5880 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5881 Implement new hooks.
5882 (check_dead_notes1): New static function.
5883 (struct region): New fields: dont_calc_deps, has_real_ebb.
5884 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5885 (BB_TO_BLOCK): Fixed to handle EBBs.
5886 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5887 (ebb_head): New static variable.
5888 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5889 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5891 (compute_dom_prob_ps): New assertion.
5892 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5893 global_live_at_start.
5894 (init_ready_list): New assertions.
5895 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5896 (new_ready): Add support for BEGIN_CONTROL speculation.
5897 (schedule_insns): Fixed code that updates register live information
5899 (schedule_region): Fixed to handle EBBs.
5900 (init_regions): Use extend_regions and check_dead_notes1.
5901 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5902 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5903 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5904 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5905 TARGET_SCHED_GEN_CHECK,
5906 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5907 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5908 * doc/invoke.texi (max-sched-insn-conflict-delay,
5909 sched-spec-prob-cutoff): Document.
5911 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5913 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5914 inter_tick, queue_index.
5915 (struct sched_info): Change signature of init_ready_list field.
5916 Adjust all initializations.
5917 (RESOLVED_DEPS): New access macro.
5918 (ready_add): Remove prototype.
5919 (try_ready): Add prototype.
5920 * sched-rgn.c (init_ready_list): Use try_ready.
5921 (schedule_region): Initialize
5922 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5923 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5924 (init_ready_list): Use try_ready.
5925 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5926 * lists.c (remove_list_elem): Remove `static'.
5927 (remove_free_INSN_LIST_elem): New function.
5928 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5929 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5930 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5932 (readyp): New variable.
5933 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5934 change_queue_index, resolve_dep): New static functions.
5935 (try_ready): New function. Adjust callers in sched-rgn.c and
5936 sched-ebb.c to use it instead of ready_add.
5937 (clock_var): Move at the begining of file.
5938 (rank_for_schedule): Fix typo.
5939 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5940 (ready_lastpos): Enforce assertion.
5941 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5943 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5944 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5945 (queue_to_ready): Use free_INSN_LIST_list.
5946 (early_queue_to_ready): Fix typo.
5947 (schedule_block): Init readyp. Move init_ready_list call after the
5948 initialization of clock_var. Fix error in rejecting insn by
5949 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5950 that previously corrected INSN_TICKs. Add code for handling
5952 (set_priorities): Fix typo.
5953 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5954 Clarify comment and code that keeps current_sched_info->next_tail
5957 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5959 * sched-rgn.c (extend_rgns): New static function.
5960 (find_rgns): Use it.
5961 (gather_region_statistics, print_region_statistics): New static
5963 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5964 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5967 Andrey Belevantsev <abel@ispras.ru>
5969 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5970 * lists.c (unused_deps_list): New variable.
5971 (free_list): Add assertions to verify the proper distinguishing
5972 between INSN_LISTs and DEPS_LISTs.
5973 (find_list_elem, remove_list_elem, remove_list_node): New static
5975 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5976 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5977 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5978 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5980 (free_INSN_LIST_node): Likewise.
5981 * modulo-sched.c (current_sched_info): Initialize flags field.
5982 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5983 * rtl.def (DEPS_LIST): Define.
5984 * rtl.h: Declare new functions from lists.c.
5985 * sched-deps.c (spec_dependency_cache): New static variable.
5986 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5987 (add_dependence): Change return type to void. Move the logic to ...
5988 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5989 (delete_all_dependences): Add comment about forward_dependency_cache.
5990 Handle spec_dependency_cache. Handle DEPS_LISTs.
5991 (fixup_sched_groups): Clarify the change of priority of output
5992 and anti dependencies.
5993 (sched_analyze_2): Adjust add_dependence calls to create data
5994 speculative dependence.
5995 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5996 Adjust all callers. Handle DEPS_LISTS.
5997 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5998 presence of speculation.
5999 (init_dependency_caches, free_dependency_caches):
6000 Handle spec_dependency_cache.
6001 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6002 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6003 New static functions.
6004 (add_or_update_back_dep, add_or_update_back_forw_dep,
6005 add_back_forw_dep, delete_back_forw_dep): New functions.
6006 * sched-int.h (ds_t, dw_t): New typedefs.
6007 (struct sched_info): Add new field flags.
6008 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6009 Prototype new sched-deps.c functions.
6010 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6011 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6012 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6013 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6014 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6015 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6017 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6019 * sched-rgn.c (current_sched_info): Initialize flags field.
6020 (schedule_insns): Initialize current_sched_info before the sched_init
6022 * sched-ebb.c (current_sched_info): Initialize flags field.
6023 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6024 Call add_or_update_back_dep instead of add_dependence.
6025 Create control speculative dependencies.
6026 (schedule_insns): Initialize current_sched_info before the sched_init
6029 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6031 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6033 (sh_fallback_frame_state): Likewise.
6035 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6037 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6038 Do switch on default_use_cxa_atexit.
6039 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6040 * config/darwin-crt3.o: New.
6041 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6042 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6043 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6045 * config/rs6000/t-darwin: Move crt2.o building to here.
6046 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6047 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6050 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6052 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6053 from '! xxx' to '!xxx' for coding-style conformance.
6054 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6055 (EXTRA_CONSTRAINT): Likewise.
6056 * config/vax/vax.md (four unnamed insns): Likewise.
6058 2006-03-15 Paul Brook <paul@codesourcery.com>
6060 * config/arm/arm.c (minipool_pad): New.
6061 (add_minipool_forward_ref): Include pool alignment padding in address
6063 (push_minipool_fix): Set minipool_pad.
6064 (minipool_pad): Ditto.
6066 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6068 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6069 instead of GET_CODE() == MEM and REG_P() instead of
6071 (print_operand_address): Likewise.
6072 (vax_address_cost): Likewise.
6073 (vax_rtx_costs): Likewise.
6074 (vax_notice_update_cc): Likewise.
6075 (vax_output_int_add): Likewise.
6076 (INDEX_REGISTER_P): Likewise.
6077 (BASE_REGISTER_P): Likewise.
6078 (nonindexed_address_p): Likewise.
6079 (vax_mode_dependent_address_p): Likewise.
6080 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6081 (PRINT_OPERAND): Likewise.
6082 * config/vax/vax.md (ashlsi3): Likewise.
6083 (ashlsi3): Likewise.
6084 (some more unnamed insns): Likewise.
6086 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6088 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6089 iterator-style macro.
6090 (mark_control_dependent_edges_necessary): Update the use of
6091 EXECUTE_IF_CONTROL_DEPENDENT.
6093 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6095 * config/sh/predicates.md (cache_address_operand): Special.
6096 (ua_address_operand): Likewise.
6098 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6100 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6102 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6104 2006-03-15 Andreas Schwab <schwab@suse.de>
6106 * gensupport.c (identify_predicable_attribute): Don't free p_false
6107 when it is still in use.
6109 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6111 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6112 the default setting here.
6114 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6116 * tree-pass.h (pass_cfg): Remove.
6117 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6118 * passes.c (pass_cfg): Don't run it.
6120 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6122 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6123 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6125 (stack_regs_mentioned): Update the uses of
6126 stack_regs_mentioned_data. Don't access the array beyond its
6128 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6129 Don't include gt-reg-stack.h.
6131 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6132 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6134 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6137 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6140 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6142 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6144 2006-03-14 Richard Guenther <rguenther@suse.de>
6146 PR tree-optimization/26672
6147 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6150 2006-03-14 Richard Guenther <rguenther@suse.de>
6152 PR tree-optimization/26667
6153 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6154 node for the callees. Always allow inlining if it will shrink
6157 2006-03-14 Richard Guenther <rguenther@suse.de>
6160 * builtins.c (get_pointer_alignment): Prefer alignment
6161 information from decls over that from types.
6163 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6166 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6168 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6170 * config/rs6000/rs6000.opt (mdlmzb): New option.
6171 (msched-prolog, msched-epilog): Use Var not Mask.
6172 * doc/invoke.texi (-mdlmzb): Document.
6173 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6175 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6176 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6178 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6180 PR rtl-optimization/25739
6181 * bt-load.c (augment_live_range): Free tos pointer.
6183 * gensupport.c (identify_predicable_attribute): Free
6185 * gcov.c (create_file_names): Free name pointer.
6187 2006-03-13 Roger Sayle <roger@eyesopen.com>
6190 * stmt.c (emit_case_nodes): Handle the case where the index is a
6191 CONST_INT, where the comparison mode is specified by the index type.
6193 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6195 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6198 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6200 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6201 (*branch_fp_inverted): Likewise.
6203 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6206 * omp-low.c (expand_omp_for_generic): Mark istart0
6207 and iend0 as addressable.
6209 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6211 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6213 2006-03-13 Jeff Law <law@redhat.com>
6215 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6216 virtual operands are interesting.
6217 (vrp_visit_stmt): Corresponding changes.
6219 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6221 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6223 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6224 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6225 * config/bfin/crti.S: Use it instead of __PIC__.
6226 * config/bfin/crtn.S: Likewise.
6228 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6229 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6231 Lose 'G' modifier for call operand.
6232 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6233 recognize 'G' modifier.
6235 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6238 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6239 * stmt.c (expand_case): Likewise.
6241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6243 PR rtl-optimization/26254
6244 * loop-invariant.c (seq_insns_valid_p): New function.
6245 (move_invariant_reg): Only emit new code if it is valid.
6247 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6249 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6251 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6252 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6253 (commit_one_edge_insertion): Do not look for loop notes.
6255 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6257 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6258 flag_test_coverage out of loop.
6260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6262 * final.c (shorten_branches): Remove outdated comment, and turn
6263 the if branch that guards it to continue.
6265 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6267 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6268 * cfgloop.h (struct loop): Remove unused fields.
6270 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6272 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6273 (-dL, -fdump-rtl-loop2): Update the dump file names
6275 * doc/invoke.texi: Update dump file names.
6277 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6279 * predict.c (estimate_probability): Remove.
6280 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6281 * basic-block.h (estimate_probability): Remove prototype.
6282 * passes.c (finish_optimization_passes): Dump branch prediction or
6283 profiling heuristics to the .profile tree dump.
6284 (init_optimization_passes): Unqueue pass_branch_prob.
6286 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6288 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6290 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6291 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6293 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6295 * function.h (frame_offset_overflow): Declare.
6296 * function.c (frame_offset_overflow): New function.
6297 (assign_stack_local_1): Call it to detect that the offset overflows.
6298 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6300 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6302 * config/sh/sh.c: Include alloc-pool.h.
6303 (label_ref_list_pool): New alloc pool.
6304 (label_ref_list_t): New type for lists of labels.
6305 (struct pool_node): Make wend a label_ref_list_t.
6306 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6308 (dump_table): Likewise.
6309 (sh_reorg): Set up the alloc pool before using add_constant and
6310 dump_table, and destroy it when finishing.
6312 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6314 * config/mips/mips.c: Remove redundant comment.
6316 2006-03-10 Jason Merrill <jason@redhat.com>
6319 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6320 the target was declared 'register'.
6322 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6324 * genpreds.c (write_insn_constraint_len): Change definition of
6325 insn_constraint_len to return size_t to match the declaration.
6327 2006-03-10 DJ Delorie <dj@redhat.com>
6329 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6331 (m32c_expand_insv): Fix test for an AND mask.
6333 2006-03-10 Richard Guenther <rguenther@suse.de>
6336 * builtins.c (get_pointer_alignment): Handle component
6337 references for field alignment.
6339 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6341 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6342 when building with libgloss.
6343 (sh*elf): Implement --without-fp option.
6344 (sh64-superh-linux*): Don't multilib.
6346 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6348 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6350 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6352 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6353 Set it when one of the replacement functions returned true.
6354 Return TODO_cleanup_cfg if cfgchanged is true.
6355 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6357 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6359 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6360 instead of gen_lowpart.
6362 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6364 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6366 (mips_output_order_conditional_branch): Declare.
6367 * config/mips/mips.h (MIPS_BRANCH): New macro.
6368 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6369 for the comparison. Use gen_condjump.
6370 (mips_output_conditional_branch): Rework interface to take the
6371 asm templates for a direct branch and the inverse of a direct branch.
6372 (mips_output_order_conditional_branch): New function.
6373 (mips_builtin_branch_and_move): New function.
6374 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6375 branch condition. Use gen_single_cc as the condition for
6376 __builtin_mips_upper_* or __builtin_mips_lower_*.
6377 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6378 Use VOIDmode for the branch condition.
6379 * config/mips/predicates.md (order_operator): New predicate.
6380 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6381 (branch_fp): Rename to...
6382 (*branch_fp): ...this. Remove mode from comparison operator.
6383 Use new mips_output_conditional_branch interface.
6384 (branch_fp_inverted): Rename to...
6385 (*branch_fp_inverted): ...this and update as for *branch_fp.
6386 (*branch_zero<mode>): Rename to...
6387 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6388 Use mips_output_order_conditional_branch. Only accept ordered
6390 (*branch_zero<mode>_inverted): Rename to...
6391 (*branch_order<mode>_inverted): ...this and update as for
6392 *branch_order<mode>.
6393 (*branch_equality<mode>): Accept zero as the second operand to
6394 the equality operator. Use the new mips_output_conditional_branch
6396 (*branch_equality<mode>_inverted): Likewise.
6397 (condjump): New expander.
6398 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6400 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6401 (bc1any2t, bc1any2f): Likewise.
6402 (single_cc): New expander.
6403 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6405 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6407 * doc/md.texi: Update documentation of MIPS constraints.
6408 * config/mips/constraints.md: New file.
6409 * config/mips/mips.md: Include it.
6410 * config/mips/mips.c (mips_char_to_class): Delete.
6411 (override_options): Don't initialize mips_char_to_class.
6412 * config/mips/mips.h (mips_char_to_class): Delete.
6413 (REG_CLASS_FROM_LETTER): Delete.
6414 (CONST_OK_FOR_LETTER_P): Delete.
6415 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6416 (EXTRA_CONSTRAINT_Y): Delete.
6417 (EXTRA_CONSTRAINT_STR): Delete.
6418 (CONSTRAINT_LEN): Delete.
6419 (EXTRA_MEMORY_CONSTRAINT): Delete.
6421 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6423 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6424 original fn's eh regions.
6426 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6428 * fold-const.c (build_range_check): Make sure to use a valid type to
6429 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6432 (range_predecessor): New static function.
6433 (range_successor): Likewise.
6434 (merge_ranges): Use them to compute predecessors and successors of
6437 2006-03-09 Roger Sayle <roger@eyesopen.com>
6440 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6441 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6443 2006-03-08 DJ Delorie <dj@redhat.com>
6445 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6446 (addpsi3): Expand to include memory operands. Remove
6447 reload-specific splits.
6448 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6449 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6450 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6451 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6452 (shift1_qi, shift1_hi, insv): New.
6453 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6454 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6455 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6457 * config/m32c/m32c-protos.h: Update as needed.
6458 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6459 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6460 Fail for unrecognized R* constraints.
6461 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6462 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6463 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6465 (m32c_init_libfuncs): New.
6466 (m32c_legitimate_address_p): Add debug wrapper.
6467 (m32c_rtx_costs): New.
6468 (m32c_address_cost): New.
6469 (conversions): Add 'B' prefix.
6470 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6471 operands, or word regnames for QI operands. 'B' prints bit
6473 (m32c_expand_setmemhi): New.
6474 (m32c_expand_movmemhi): New.
6475 (m32c_expand_movstr): New.
6476 (m32c_expand_cmpstr): New.
6477 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6478 (m32c_expand_neg_mulpsi3): Handle non-ints.
6479 (m32c_cmp_flg_0): New.
6480 (m32c_expand_movcc): New.
6481 (m32c_expand_insv): New.
6482 (m32c_scc_pattern): New.
6483 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6484 a0/a1 out of SIregs.
6485 (STORE_FLAG_VALUE): New.
6486 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6489 * config/m32c/mov.md: Make constraints more liberal.
6490 (zero_extendqihi2): Optimize r0/r1 case.
6491 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6492 * config/m32c/predicates.md (m32c_any_operand): New.
6493 (m32c_nonimmediate_operand): New.
6494 (m32c_hl_operand): New.
6495 (m32c_r3_operand): New.
6498 (memsym_operand): New.
6499 (memimmed_operand): New.
6500 (a_qi_operand): New.
6501 (m32c_eqne_operator): New.
6502 (m32c_1bit8_operand): New.
6503 (m32c_1bit16_operand): New.
6504 (m32c_1mask8_operand): New.
6505 (m32c_1mask16_operand): New.
6506 * config/m32c/blkmov.md: New file.
6507 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6509 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6511 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6512 unsigned to fix signed/unsigned comparison issue in
6513 DWARF2_FRAME_REG_OUT.
6514 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6515 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6517 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6518 of ptr into the ENABLE_CHECKING section.
6520 2006-03-08 Jeff Law <law@redhat.com>
6522 * tree-vrp.c (infer_value_range): Only count pointer uses
6523 and dereferences if -fdelete-null-pointer-checks is enabled.
6525 * tree-vrp.c (find_assert_locations): Infer value ranges for
6526 single use pointers, but do not create ASSERT_EXPRs for them.
6527 When a non-null range is inferred for a pointer, backwards
6528 propagate that range to other equivalent pointers through the
6531 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6534 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6535 language hook targets.
6536 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6537 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6538 if language hook targets were missing.
6540 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6542 * tree-ssa-opfinalize.h: Removed.
6543 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6545 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6546 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6547 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6548 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6549 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6550 finalize_ssa_v_must_def_ops): New.
6552 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6554 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6557 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6559 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6561 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6562 addresses with offsets; reorganize.
6564 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6565 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6566 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6568 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6571 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6573 2006-03-08 Ben Elliston <bje@au.ibm.com>
6575 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6577 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6580 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6583 2006-03-07 Richard Guenther <rguenther@suse.de>
6585 PR tree-optimization/26587
6586 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6588 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6590 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6592 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6594 * hooks.c (hook_bool_mode_rtx_true): New function.
6595 * hooks.h (hook_bool_mode_rtx_true): Declare.
6596 * toplev.c (compile_file): Call output_shared_constant_pool.
6597 * varasm.c (shared_constant_pool): New variable.
6598 (assemble_start_function, assemble_end_function): Remove arguments
6599 from call to output_constant_pool.
6600 (create_constant_pool): New function, split out from...
6601 (init_varasm_status): ...here.
6602 (force_const_mem): Choose between the shared and per-function constant
6603 pools. Set current_function_uses_const_pool when reusing old entries
6604 as well as when creating new ones.
6605 (mark_constant): Ignore data argument.
6606 (mark_constants): Remove pool argument.
6607 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6608 to decide whether the function uses a constant pool.
6609 (output_constant_pool_contents): New function, split out from...
6610 (output_constant_pool): ...here.
6611 (output_shared_constant_pool): New function.
6612 (init_varasm_once): Initialize shared_constant_pool.
6613 * output.h (output_constant_pool): Delete.
6614 (output_shared_constant_pool): Declare.
6615 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6616 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6618 2006-03-06 Nick Clifton <nickc@redhat.com>
6620 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6621 flag_strength_reduce.
6623 2006-03-06 Ben Elliston <bje@au.ibm.com>
6625 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6626 x86_64-*-linux* configurations.
6628 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6629 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6631 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6633 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6635 * basic-block.h: Remove the extern for
6636 rediscover_loops_after_threading.
6638 * cfgloop.c (cancel_loop): Make it static.
6639 * cfgloop.h: Remove the prototype for cancel_loop.
6641 * flow.c (recompute_reg_usage): Make it static.
6642 * rtl.h: Remove the prototype for recompute_reg_usage.
6644 * function.c (use_return_register): Make it static.
6645 * function.h: Remove the prototype.
6647 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6649 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6651 * recog.h: Remove the prototype for
6652 validate_change_maybe_volatile.
6654 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6656 * rtlanal.c (replace_reg): Remove.
6657 * rtl.h: Remove the prototype for replace_reg.
6659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6661 * regclass.c (reg_scan_update): Remove.
6662 (reg_scan_mark_refs): Remove the last argument.
6663 * rtl.h: Remove the prototype for reg_scan_update.
6665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6667 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6668 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6669 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6670 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6671 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6672 loop-invariant.c, omp-low.c, opts.c, passes.c,
6673 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6674 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6675 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6676 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6677 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6678 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6680 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6682 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6683 * dwarf2out.h: Remove the prototype for
6684 dwarf2out_add_library_unit_info.
6686 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6688 * tree.c (add_var_to_bind_expr): Remove.
6689 * tree.h: Remove the prototype for add_var_to_bind_expr.
6691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6693 * regclass.c (n_non_fixed_regs): Remove.
6694 (init_reg_sets_1, globalize_reg): Remove all uses of
6696 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6700 * rtlanal.c (insns_safe_to_move_p): Remove.
6701 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6705 * expmed.c (expand_mult_add): Remove.
6706 * expr.h: Remove the prototype for expand_mult_add.
6708 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6710 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6711 and REG_SAVED_VAL_EXP constants.
6712 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6713 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6714 Handle regs stored by value.
6715 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6716 (execute_cfa_program): Handle DW_CFA_val_offset,
6717 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6718 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6719 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6720 (uw_install_context_1): Handle target regs stored by value.
6722 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6724 * tree-sra.c (tree_sra): Return todoflags;
6725 (generate_one_element): Set TODO_update_smt_usage if needed.
6726 (pass_sra): Remove TODO_update_smt_usage.
6727 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6729 (tree_ssa_forward_propagate_single_use_vars): Return
6730 TODO_update_smt_usage if we need to update SMT usage.
6731 (pass_forwprop): Remove TODO_update_smt_usage.
6733 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6735 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6736 (correct_use_link): Remove reference to get_stmt_operands.
6737 (update_stmt_operands): Likewise.
6738 (get_modify_expr_operands): New function factored out of
6739 parse_ssa_operands and get_expr_operands.
6740 Try to create V_MUST_DEFs for LHS by default.
6741 (get_expr_operands) <case MODIFY_EXPR>: Call
6742 get_modify_expr_operands.
6743 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6744 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6745 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6746 get_modify_expr_operands.
6748 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6750 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6751 * tree-flow.h: Remove the prototype for
6752 referenced_var_lookup_if_exists.
6754 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6756 PR rtl-optimization/26345
6758 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6760 2006-03-03 Roger Sayle <roger@eyesopen.com>
6762 PR tree-optimization/26524
6763 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6764 fold_convert to create a constant of the appropriate type.
6766 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6768 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6769 SYMBOL_REF_IN_BLOCK_P.
6770 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6771 of SYMBOL_FLAG_IN_BLOCK.
6772 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6773 instead of SYMBOL_REF_IN_BLOCK_P.
6774 * explow.c (use_anchored_address): Likewise.
6775 * rtl.c (rtx_size): Likewise.
6776 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6777 instead of SYMBOL_FLAG_IN_BLOCK.
6778 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6779 SYMBOL_REF_IN_BLOCK_P.
6780 (assemble_variable): Likewise.
6781 (output_constant_def_contents): Likewise.
6782 (output_constant_pool): Likewise.
6783 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6784 instead of SYMBOL_FLAG_IN_BLOCK.
6785 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6786 SYMBOL_REF_IN_BLOCK_P.
6787 (SYMBOL_REF_BLOCK): Likewise.
6788 (SYMBOL_REF_OFFSET): Likewise.
6789 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6790 SYMBOL_REF_IN_BLOCK_P.
6791 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6792 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6793 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6794 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6796 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6798 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6800 2006-03-02 Roger Sayle <roger@eyesopen.com>
6802 * simplify-rtx.c (simplify_unary_operation): When simplifying
6803 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6804 that we perform the right shift in the appropriate mode, and
6805 then extend or truncate the result to requested mode.
6807 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6809 * gengtype.c (main): Handle double_int type.
6810 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6811 * double-int.c: New file.
6812 * double-int.h: New file.
6813 * system.h: Include doubleint.h.
6814 * Makefile.in (SYSTEM_H): Include double-int.h.
6815 (double-int.o): Add.
6817 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6820 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6823 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6825 * tree-vrp.c (remove_range_assertions): Do not update statements
6828 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6830 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6832 * gcse.c (rest_of_handle_gcse): Ditto.
6833 * except.c (gate_handle_eh): Ditto.
6834 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6835 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6837 2006-03-02 Eric Christopher <echristo@apple.com>
6839 * config/i386/i386.c (machopic_output_stub): Add indirection to
6842 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6846 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6848 Sun Niagara specific optimizations.
6849 * config.gcc: Recognize niagara as target.
6850 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6851 (TARGET_CPU_niagara): Define.
6852 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6853 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6854 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6855 (ASM_CPU_SPEC): Likewise.
6856 (PROCESSOR_NIAGARA): New enum entry.
6857 (REGISTER_MOVE_COST): Handle Niagara.
6858 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6859 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6860 (sparc_override_options): Recognize "niagara", set appropriate
6861 default MASK_* values for it, and align functions to 32-bytes
6862 by default just like ULTRASPARC/ULTRASPARC3.
6863 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6864 (sparc64_initialize_trampoline): Likewise.
6865 (sparc_use_sched_lookahead): Use zero for niagara.
6866 (sparc_issue_rate): Use one for niagara.
6867 * config/sparc/niagara.md: New file.
6868 * config/sparc/sparc.md: Include it.
6869 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6870 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6871 when default cpu is niagara.
6872 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6873 (ASM_CPU_SPEC): Likewise.
6874 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6875 when default cpu is niagara.
6876 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6877 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6878 just like v9/ultrasparc/ultrasparc3.
6879 * doc/invoke.texi: Add documentation for "niagara" and improve
6880 existing documentation for ultrasparc variants.
6882 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6884 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6886 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6888 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6889 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6890 and say that only one is needed.
6891 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6892 * target.h (have_switchable_bss_sections): New hook.
6893 * explow.c (use_anchored_address): Check that the symbol is in a block.
6894 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6895 (bss_noswitch_section): New variables.
6896 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6897 (get_noswitch_section): New function.
6898 (get_block_for_section): Allow SECT to be null.
6899 (unlikely_text_section_p): Use SECTION_STYLE.
6900 (bss_initializer_p): New function.
6901 (get_variable_section): Move earlier in file. Take a new argument,
6902 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6903 Return one of the new *_sections in such cases.
6904 (get_block_for_decl): New function, extracting some logic from
6905 use_blocks_for_decl_p.
6906 (change_symbol_section): Remove in favor of...
6907 (change_symbol_block): ...this new function.
6908 (use_blocks_for_decl_p): Remove checks now performed by
6910 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6911 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6912 (emit_local, emit_bss, emit_common): ...these new functions.
6913 Return true if the alignment was honored.
6914 (emit_tls_common): New function.
6915 (asm_emit_uninitialised): Delete.
6916 (assemble_variable_noswitch): New function, split out from...
6917 (assemble_variable): ...here. Don't make decisions about common
6918 variables here. Globalize all public decls that go into non-common
6919 sections. Check whether SYMBOL_REF_BLOCK is null.
6920 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6921 (output_constant_pool): Likewise.
6922 (init_varasm_once): Initialize the new section variables.
6923 (have_global_bss_p): New function.
6924 (categorize_decl_for_section): Use bss_initializer_p.
6925 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6926 (place_block_symbol): Assert that the symbol must be in a block.
6927 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6928 (TARGET_INITIALIZER): Include it.
6929 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6930 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6931 (SECTION_MACH_DEP): Bump by two.
6932 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6933 (unnamed_section): Mention SECTION_UNNAMED in comment.
6934 (named_section): Likewise SECTION_NAMED.
6935 (noswitch_section_callback): New type.
6936 (noswitch_section): New structure.
6937 (section): Add a noswitch_section alternative.
6938 (SECTION_STYLE): New macro.
6939 (tls_comm_section, comm_section, lcomm_section): Declare.
6940 (bss_noswitch_section, have_global_bss_p): Declare.
6941 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6942 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6944 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6945 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6948 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6950 * tree-vrp.c (execute_vrp): Return value.
6951 * regrename.c (rest_of_handle_regrename): Ditto.
6952 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6953 * tree-complex.c (tree_lower_complex): Ditto.
6954 (tree_lower_complex_O0): Ditto.
6955 * tracer.c (rest_of_handle_tracer): Ditto.
6956 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6957 * postreload.c (rest_of_handle_postreload): Ditto.
6958 * tree-tailcall.c (execute_tail_recursion): Ditto.
6959 (execute_tail_calls): Ditto.
6960 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6961 * tree.h (init_function_for_compilation): Ditto.
6962 * ipa-cp.c (ipcp_driver): Ditto.
6963 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6964 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6965 * final.c (compute_alignments): Ditto.
6966 (rest_of_handle_final): Ditto.
6967 (rest_of_handle_shorten_branches): Ditto.
6968 (rest_of_clean_state): Ditto.
6969 * omp-low.c (execute_expand_omp): Ditto.
6970 (execute_lower_omp): Ditto.
6971 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6972 * ipa-reference.c (static_execute): Ditto.
6973 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6974 * reorg.c (rest_of_handle_delay_slots): Ditto.
6975 (rest_of_handle_machine_reorg): Ditto.
6976 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6977 * flow.c (recompute_reg_usage): Ditto.
6978 (rest_of_handle_remove_death_notes): Ditto.
6979 (rest_of_handle_life): Ditto.
6980 (rest_of_handle_flow2): Ditto.
6981 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6982 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6983 (do_ssa_store_ccp): Ditto.
6984 (execute_fold_all_builtins): Ditto.
6985 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6986 * modulo-sched.c (rest_of_handle_sms): Ditto.
6987 * ipa-pure-const.c (static_execute): Ditto.
6988 * cse.c (rest_of_handle_cse): Ditto.
6989 (rest_of_handle_cse2): Ditto.
6990 * web.c (rest_of_handle_web): Ditto.
6991 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6992 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6993 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6994 * tree-nrv.c (tree_nrv): Ditto.
6995 (execute_return_slot_opt): Ditto.
6996 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6997 (create_structure_vars): Ditto.
6998 * loop-init.c (rtl_loop_init): Ditto.
6999 (rtl_loop_done): Ditto.
7000 (rtl_move_loop_invariants): Ditto.
7001 (rtl_unswitch): Ditto.
7002 (rtl_unroll_and_peel_loops): Ditto.
7003 (rtl_doloop): Ditto.
7004 * gimple-low.c (lower_function_body): Ditto.
7005 (mark_used_blocks): Ditto.
7006 * tree-ssa-sink.c (execute_sink_code): Ditto.
7007 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7008 (cgraph_early_inlining): Ditto.
7009 * global.c (rest_of_handle_global_alloc): Ditto.
7010 * jump.c (cleanup_barriers): Ditto.
7011 (purge_line_number_notes): Ditto.
7012 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7013 (rest_of_handle_if_after_reload): Ditto.
7014 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7015 (tree_ssa_loop_im): Ditto.
7016 (tree_ssa_loop_unswitch): Ditto.
7017 (tree_vectorize): Ditto.
7018 (tree_linear_transform): Ditto.
7019 (tree_ssa_loop_ivcanon): Ditto.
7020 (tree_ssa_empty_loop): Ditto.
7021 (tree_ssa_loop_bounds): Ditto.
7022 (tree_complete_unroll): Ditto.
7023 (tree_ssa_loop_prefetch): Ditto.
7024 (tree_ssa_loop_ivopts): Ditto.
7025 (tree_ssa_loop_done): Ditto.
7026 * predict.c (tree_estimate_probability): Ditto.
7027 * recog.c (split_all_insns_noflow): Ditto.
7028 (rest_of_handle_peephole2): Ditto.
7029 (rest_of_handle_split_all_insns): Ditto.
7030 * tree-eh.c (lower_eh_constructs): Ditto.
7031 * regmove.c (rest_of_handle_regmove): Ditto.
7032 (rest_of_handle_stack_adjustments): Ditto.
7033 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7034 * function.c (instantiate_virtual_regs): Ditto.
7035 (init_function_for_compilation): Ditto.
7036 (rest_of_handle_check_leaf_regs): Ditto.
7037 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7038 (rest_of_handle_gcse): Ditto.
7039 * ipa-type-escape.c (type_escape_execute): Ditto.
7040 * alias.c (rest_of_handle_cfg): Ditto.
7041 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7042 * profile.c (rest_of_handle_branch_prob): Ditto.
7043 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7044 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7045 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7046 * tree-dfa.c (find_referenced_vars): Ditto.
7047 * except.c (set_nothrow_function_flags): Ditto.
7048 (convert_to_eh_region_ranges): Ditto.
7049 (rest_of_handle_eh): Ditto.
7050 * emit-rtl.c (unshare_all_rtl): Ditto.
7051 (remove_unnecessary_notes): Ditto.
7052 * except.h (set_nothrow_function_flags): Ditto.
7053 (convert_to_eh_region_ranges): Ditto.
7054 * cfgexpand.c (tree_expand_cfg): Ditto.
7055 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7056 * tree-ssa-pre.c (do_pre): Ditto.
7057 (execute_fre): Ditto.
7058 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7059 (rest_of_handle_jump2): Ditto.
7060 * tree-sra.c (tree_sra): Ditto.
7061 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7062 (execute_mudflap_function_decls): Ditto.
7063 * tree-ssa-copy.c (do_copy_prop): Ditto.
7064 (do_store_copy_prop): Ditto.
7065 * ipa-prop.h (ipcp_driver): Ditto.
7066 * cfglayout.c (insn_locators_initialize): Ditto.
7067 * tree-ssa-forwprop.c
7068 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7069 * cfglayout.h (insn_locators_initialize): Ditto.
7070 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7071 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7072 (execute_late_warn_uninitialized): Ditto.
7073 * rtl.h (cleanup_barriers): Ditto.
7074 (split_all_insns_noflow): Ditto.
7075 (purge_line_number_notes): Ditto.
7076 (unshare_all_rtl): Ditto.
7077 (remove_unnecessary_notes): Ditto.
7078 (recompute_reg_usage): Ditto.
7079 (variable_tracking_main): Ditto.
7080 * integrate.c (emit_initial_value_sets): Ditto.
7081 * integrate.h (emit_initial_value_sets): Ditto.
7082 * tree-optimize.c (execute_free_datastructures): Ditto
7083 (execute_free_cfg_annotations): Ditto.
7084 (execute_fixup_cfg): Ditto.
7085 (execute_cleanup_cfg_pre_ipa): Ditto.
7086 (execute_cleanup_cfg_post_optimizing): Ditto.
7087 (execute_init_datastructures): Ditto.
7088 * tree-object-size.c (compute_object_sizes): Ditto.
7089 * combine.c (rest_of_handle_combine): Ditto.
7090 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7091 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7092 (rest_of_handle_reorder_blocks): Ditto.
7093 (rest_of_handle_partition_blocks): Ditto.
7094 * var-tracking.c (variable_tracking_main): Ditto.
7095 * tree-profile.c (tree_profiling): Ditto.
7096 * tree-vect-generic.c (expand_vector_operations): Ditto.
7097 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7098 * sched-rgn.c (rest_of_handle_sched): Ditto.
7099 (rest_of_handle_sched2): Ditto.
7100 * basic-block.h (free_bb_insn): Ditto.
7101 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7102 * tree-cfg.c (execute_build_cfg): Ditto.
7103 (remove_useless_stmts): Ditto.
7104 (split_critical_edges): Ditto.
7105 (execute_warn_function_return): Ditto.
7106 (execute_warn_function_noreturn): Ditto.
7107 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7108 * cfgrtl.c (free_bb_for_insn): Ditto.
7109 * passes.c (execute_one_pass): Run additional
7110 todos returned by execute function.
7111 * tree-pass.h (struct tree_opt_pass): Make execute
7114 2006-03-02 Richard Guenther <rguenther@suse.de>
7116 * tree-ssa-alias.c (find_used_portions): Consider taking
7117 the address as making the variable not write-only.
7119 2006-03-02 Nick Clifton <nickc@redhat.com>
7121 * config.gcc (default_use_cxa_atexit): Extend the description of
7122 this configure variable. Set its default value to "yes" for
7123 Linux, NetBSD and ELF targets on the assumption that they will
7124 use C libraries with the __cxa_atexit function.
7126 2006-03-02 Ben Elliston <bje@au.ibm.com>
7128 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7129 parameter as unused to suppress a build warning.
7131 2006-03-02 Ben Elliston <bje@au.ibm.com>
7133 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7136 2006-03-01 Roger Sayle <roger@eyesopen.com>
7139 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7140 declared name, the weak reference name, and the typeof name.
7141 (__gthrw): Avoid expanding the declared name suffix.
7142 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7144 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7146 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7148 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7149 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7150 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7151 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7152 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7153 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7154 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7155 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7156 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7157 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7158 (DW_END_default, DW_END_big, DW_END_little): New.
7159 (DW_END_lo_user, DW_END_hi_user): Define.
7160 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7161 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7162 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7165 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7167 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7169 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7171 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7173 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7175 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7176 to 'symbol_mem_tag'.
7178 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7181 2006-03-01 Roger Sayle <roger@eyesopen.com>
7183 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7185 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7188 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7189 MACHO_DYNAMIC_NO_PIC_P.
7190 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7192 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7195 * config/darwin-protos.h (darwin_asm_output_anchor):
7197 * config/darwin-sections.def (cstring_section):
7198 Add SECTION_MERGE to the flags.
7199 (literal4_section): Likewise.
7200 (literal8_section): Likewise.
7201 (objc_selector_refs_section): Likewise.
7202 (objc_cls_refs_section): Likewise.
7203 * config/darwin.c (darwin_asm_output_anchor): New
7205 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7207 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7209 Fix PR tree-optimization/26443
7210 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7211 to todo and PROP_tmt_usage to properties_destroyed.
7212 * tree-ssa-ccp.c (pass_ccp): Ditto.
7213 (pass_store_ccp): Ditto.
7214 * tree-ssa-dom.c (pass_dominator): Ditto.
7216 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7218 * tree-ssa-operands.c: Cleanup whitespace.
7219 (get_asm_expr_operands): Move before first invocation.
7220 (get_indirect_ref_operands): Likewise.
7221 (get_tmr_operands): Likewise.
7222 (get_call_expr_operands): Likewise.
7223 (append_def): Likewise.
7224 (append_use): Likewise.
7225 (append_v_may_def): Likewise.
7226 (append_v_must_def): Likewise.
7227 (add_call_clobber_ops): Likewise.
7228 (add_call_read_ops): Likewise.
7229 (add_stmt_operand): Likewise.
7230 (add_virtual_operand): Likewise.
7231 (build_ssa_operands): Likewise.
7233 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7238 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7239 with a call expr to ...
7240 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7242 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7244 * tree-vrp.c (extract_range_from_assert): Remove special
7245 handling for types with super-types.
7247 2006-03-01 Ben Elliston <bje@au.ibm.com>
7249 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7250 and powerpc64-*-linux* configurations.
7251 * config/t-dfprules: New file.
7253 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7254 Compile dfp-bit.c from the source directory using -DWIDTH and
7255 $DFP_CFLAGS to control the compilation of that file, rather than
7256 generating width-specific versions in the build directory.
7257 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7258 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7260 2006-02-28 Zack Weinberg <zackw@panix.com>
7262 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7265 2006-02-28 Eric Christopher <echristo@apple.com>
7267 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7268 Set up IN_LIBGCC definition of TARGET_64BIT.
7269 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7271 2006-02-28 Roger Sayle <roger@eyesopen.com>
7274 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7275 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7276 cases via the construction of "expr != 0".
7278 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7280 * alias.c (alias_invariant, alias_invariant_size): Remove.
7281 (record_base_value): Remove.
7282 (memrefs_conflict_p): Don't look at alias_invariant.
7283 (end_alias_analysis): Don't free it.
7284 * alias.h (record_base_value): Remove prototype.
7286 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7287 Adam Nemet <anemet@caviumnetworks.com>
7289 * rtl.h (truncated_to_mode): Declare it.
7290 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7291 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7292 (RTL_HOOKS_INITIALIZER): Include it.
7293 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7294 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7295 reg_truncated_to_mode.
7296 * rtlanal.c (truncated_to_mode): Define it.
7297 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7299 2006-02-28 Jeff Law <law@redhat.com>
7301 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7302 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7303 the range allowed by TYPE_PRECISION.
7305 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7307 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7309 PR tree-optimization/26419
7310 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7313 2006-02-27 Zack Weinberg <zackw@panix.com>
7315 * doc/md.texi: Fix typo in previous change.
7317 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7321 2006-02-27 Zack Weinberg <zackw@panix.com>
7323 * rtl.def (define_constraint, define_register_constraint)
7324 (define_memory_constraint, define_address_constraint): New MD forms.
7325 * gensupport.c (process_rtx): Put define_constraint etc on the
7327 * genpreds.c (process_define_predicate): Adjust comment. Validate
7328 the name, and call validate_exp to validate the expression.
7329 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7330 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7331 all callers changed.
7332 (validate_exp, needs_variable, struct constraint_data)
7333 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7334 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7335 (const_dbl_constraints, constraint_max_namelen)
7336 (have_register_constraints, have_memory_constraints)
7337 (have_address_constraints, have_address_constraints)
7338 (have_extra_constraints, have_const_int_constraints)
7339 (have_const_dbl_constraints, mangle, add_constraint)
7340 (process_define_constraint, process_define_register_constraint)
7341 (write_enum_constraint_num, write_lookup_constraint)
7342 (write_insn_constraint_len, write_regclass_for_constraint)
7343 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7344 (write_insn_extra_memory_constraint)
7345 (write_insn_extra_address_constraint)
7346 (write_satisfies_constraint_fns): New.
7347 (write_tm_preds_h): If we have new-style constraint definitions,
7348 prototype the functions generated from them, and define the
7349 old constraint interface (still used by generic code) in terms of
7351 (write_insn_preds_c): If we have new-style constraint definitions,
7352 generate all relevant functions from those definitions.
7353 (main): Handle define_constraint etc.
7354 * genoutput.c (struct constraint_data, indep_constraints)
7355 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7356 (mdep_constraint_len): New data structures and functions, defined
7357 #ifdef USE_MD_CONSTRAINTS.
7358 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7359 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7360 use new logic to validate operand constraints against constraint
7362 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7364 * defaults.h: If none of the old-style constraint macros are
7365 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7366 old-style macros; and poison REG_CLASS_FROM_LETTER,
7367 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7369 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7370 * doc/md.texi: Document new constraint-definition mechanism and the
7371 C interface it provides. Remove references to old mechanism
7372 elsewhere in the document.
7373 (Machine Constraints): Use pathnames relative to gcc directory,
7374 i.e. config/ARCH/FILE. Change i386 section to refer to
7375 config/i386/predicates.md; update that section to match docstrings.
7376 * doc/tm.texi: Move all documentation of the old constraint-
7377 definition macros to their own section, clearly mark as obsolete.
7379 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7380 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7382 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7383 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7384 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7386 (splits and peepholes): Use satisfies_constraint_*.
7387 * config/i386/i386.c (memory_address_length)
7388 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7390 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7392 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7393 scalar operation to be put back into the loop.
7395 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7398 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7399 (extract_cie_info): Handle S flag in augmentation string.
7400 (execute_cfa_program): If context->signal_frame, execute also
7401 fs->pc == context->ra instructions.
7402 (uw_frame_state_for): If context->signal_frame, don't subtract one
7403 from context->ra to find FDE.
7404 (uw_update_context_1): Set context->signal_frame to
7406 (_Unwind_GetIPInfo): New function.
7407 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7408 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7410 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7411 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7412 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7413 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7414 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7415 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7416 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7417 x86_64_fallback_frame_state): Set fs->signal_frame.
7418 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7419 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7420 (frob_update_context): Likewise. Workaround missing S flag in
7421 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7422 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7423 Remove the psw_addr + 1 hack.
7425 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7427 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7428 with aggregates here.
7429 (find_func_aliases): Remove code for &<aggregate> from here.
7431 2006-02-26 Roger Sayle <roger@eyesopen.com>
7433 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7434 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7435 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7438 2006-02-26 Roger Sayle <roger@eyesopen.com>
7441 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7443 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7445 * opts.c (decode_options): Do not handle flag_strength_reduce.
7446 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7447 and OPT_fstrength_reduce.
7448 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7449 flag_prefetch_loop_arrays for being nonzero.
7450 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7452 (fprefetch-loop-arrays-rtl): Removed.
7453 (flag_prefetch_loop_arrays): Do not specify the value.
7455 * doc/passes.texi: Update documentation of loop optimizer
7457 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7458 -frerun-loop-opt): Remove.
7460 2006-02-26 Richard Guenther <rguenther@suse.de>
7462 PR tree-optimization/26421
7463 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7464 in function calls that are ADDR_EXPRs as using the whole structure.
7466 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7468 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7469 * tree-pass.h (pass_loop_optimize): Remove.
7470 * passes.c (pass_loop_optimize): Never run it.
7471 * toplev.c (backend_init): Don't call init_loop.
7472 * opts.c (flag_loop_optimize_set): Remove.
7473 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7474 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7475 the old RTL loop optimizer when profiling enabled.
7476 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7477 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7478 pre-headers for the sake of the old RTL loop optimizer.
7479 * Makefile.in: Remove all references to loop.o.
7481 * doc/invoke.texi: Remove all references to -floop-optimize
7482 and -frerun-loop-opt.
7484 2006-02-26 Zack Weinberg <zackw@panix.com>
7486 * doc/md.texi (Machine Constraints): Refer to all files with paths
7487 relative to gcc directory (i.e. config/CPU/file). Add missing
7488 @table @code ... @end table to M32C subsection.
7490 2006-02-26 Roger Sayle <roger@eyesopen.com>
7492 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7494 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7496 2006-02-26 Roger Sayle <roger@eyesopen.com>
7497 James A. Morrison <phython@gcc.gnu.org>
7500 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7501 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7502 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7503 signedness of the shift operation.
7505 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7507 PR tree-optimization/26359
7508 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7510 2006-02-25 Roger Sayle <roger@eyesopen.com>
7512 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7513 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7514 as X == 0, and some symmetry related transformations.
7515 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7517 2006-02-25 Roger Sayle <roger@eyesopen.com>
7520 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7521 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7522 symmetry related transformations. Fold (X^C1) == C2 as
7525 2006-02-25 Juergen Weigert <jw@suse.de>
7526 Richard Guenther <rguenther@suse.de>
7528 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7530 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7532 * combine.c (gen_lowpart_or_truncate): Call
7533 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7535 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7537 * doc/invoke.texi: Move -fopenmp description to "Options for
7539 Remove reference to -lgomp.
7541 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7543 * doc/install.texi: Require GNU tar version 1.14.
7545 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7547 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7548 * doc/invoke.texi (C++ Dialect Options): Document
7549 -fno-use-cxa-get-exception-ptr.
7550 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7551 * configure: Regenerate.
7552 * c.opt (fuse-cxa-get-exception-ptr): New.
7553 * c-opts.c (c_common_handle_option): Handle
7554 OPT_fuse_cxa_get_exception_ptr.
7555 * c-common.c (flag_use_cxa_atexit): Update documentation.
7556 (flag_use_cxa_get_exception_ptr): New.
7557 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7558 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7560 (C_COMMON_OVERRIDE_OPTIONS): New.
7562 2006-02-24 Roger Sayle <roger@eyesopen.com>
7565 * combine.c (try_combine): Explicitly check whether GET_CODE is
7566 a SET or a CLOBBER, instead on checking that it isn't a USE.
7568 2006-02-24 Roger Sayle <roger@eyesopen.com>
7570 * fold-const.c (fold_comparison): New subroutine of fold_binary
7571 containing transformations common to both the equality and
7572 ordering relational operators, factored out of fold_binary.
7573 (fold_binary): Separate out the equality operators (EQ_EXPR
7574 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7575 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7576 transformations common to both.
7577 (fold_div_compare): Fix latent bugs in the previously unreachable
7578 LT_EXPR and GE_EXPR cases.
7580 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7582 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7583 decl libname for clog to __clog on AIX.
7585 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7587 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7590 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7591 output traceback table for thunks. Localise rs6000_stack_info call.
7593 2006-02-23 Roger Sayle <roger@eyesopen.com>
7594 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7596 * gthr-posix.h (__gthrw): Fix typo in comment.
7598 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7600 * doc/cpp.texi (Character sets): Document that we do support
7601 input files to be in any character set.
7603 2006-02-23 Jeff Law <law@redhat.com>
7605 * tree.h (PHI_ARG_NONZERO): Remove.
7606 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7607 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7608 node to the new node.
7610 PR tree-optimization/26425
7611 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7612 min/max, then assume its varying.
7614 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7616 PR rtl-optimization/26316
7617 * rtlanal.c (enum may_trap_p_flags): New.
7618 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7619 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7620 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7621 (may_trap_after_code_motion_p): New function.
7622 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7623 (find_invariant_insn): Use may_trap_after_code_motion_p.
7624 * rtl.h (may_trap_after_code_motion_p): Declare.
7626 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7628 * emit-rtl.c (immed_double_const): Cleanup.
7630 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7632 Fix PR tree-optimization/26376
7633 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7636 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7639 * gimplify.c (omp_add_variable): Guard variable size decl test with
7640 DECL_SIZE (decl) check.
7642 2006-02-23 Richard Guenther <rguenther@suse.de>
7645 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7646 like aggregate types.
7648 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7650 * configure.ac: Add --with{,out}-long-double-128 configure option.
7651 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7652 * configure: Rebuilt.
7653 * config.in: Rebuilt.
7654 * doc/install.texi (Options specification): Document
7655 --with-long-double-128.
7657 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7658 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7659 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7660 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7662 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7664 * config/s390/s390.c (override_options): Handle
7665 TARGET_DEFAULT_LONG_DOUBLE_128.
7667 * config/alpha/alpha.c (override_options): Handle
7668 TARGET_DEFAULT_LONG_DOUBLE_128.
7670 * config/sparc/sparc.c (sparc_override_options): Handle
7671 TARGET_DEFAULT_LONG_DOUBLE_128.
7673 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7675 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7676 (real-install-headers-tar, real-install-headers-cpio)
7677 (real-install-headers-cp): New targets.
7679 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7681 * tree.h (variable_section): Delete.
7682 * varasm.c (variable_section): Delete.
7684 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7686 * install.texi: Add notes on install.texi2html.
7687 (Building in parallel): Do not use footnotes.
7689 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7692 * doc/install.texi (Configuration): Document --disable-libgomp.
7694 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7696 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7698 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7700 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7701 (vec_extractv2df_0_sse): New.
7703 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7705 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7706 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7707 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7708 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7709 to the result of the expression.
7710 (def_cfa_1): Adjust.
7711 (frame_pointer_cfa_offset): Rename to...
7712 (frame_pointer_fb_offset): ... this. Adjust all uses.
7713 (convert_cfa_to_loc_list): Rename to...
7714 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7715 Pass it on to build_cfa_loc.
7716 (compute_frame_pointer_to_cfa_displacement): Rename to...
7717 (compute_frame_pointer_to_fb_displacement): ... this. New
7718 offset parameter. Use it in computation.
7719 (gen_subprogram_die): Compute cfa_fb_offset with the new
7720 macro, and use it to compute the fb loc list and the
7723 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7725 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7726 replaced with register_operand.
7727 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7728 non-DREG is expensive.
7729 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7730 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7733 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7735 * doc/install.texi2html: Use set -e.
7737 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7739 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7740 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7741 * doc/invoke.texi (-fshared-data): Delete.
7742 * common.opt (fshared-data): Delete.
7743 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7744 (assemble_static_space): Remove #if 0 code.
7745 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7746 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7747 * config/cris/cris.h: Remove FIXME.
7749 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7751 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7754 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7757 * combine.c (simplify_shift_const_1): Disable nested shifts
7758 optimization for vector shifts.
7760 2006-02-20 Roger Sayle <roger@eyesopen.com>
7762 PR tree-optimization/26361
7763 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7764 of unsigned integer types.
7766 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7768 * tree-chrec.c (eq_evolutions_p): New.
7769 * tree-chrec.h (eq_evolutions_p): Declared.
7770 * tree-data-ref.c: Fix formatting.
7771 (datadep_stats, dependence_stats): New.
7773 (print_direction_vector): New.
7774 (dump_data_dependence_relation): Use print_direction_vector.
7775 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7776 (compute_subscript_distance): Static.
7777 (initialize_data_dependence_relation): Static. Get the number
7778 of loops surrounding the references from the callers, and initialize
7779 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7780 base_object_differ_p analyzers.
7781 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7782 compute_overlap_steps_for_affine_1_2,
7783 analyze_subscript_affine_affine): Count the classified dependences.
7784 Print a message when a test failed.
7785 (can_use_analyze_subscript_affine_affine): New.
7786 (analyze_siv_subscript): Compute the data dependences on symbolic
7787 scevs that verify can_use_analyze_subscript_affine_affine.
7788 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7789 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7790 Handle symbolic scevs.
7791 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7793 (subscript_dependence_tester): Moved...
7794 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7795 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7796 DDR_SIZE_VECT instead of getting it in parameter.
7797 (subscript_dependence_tester): ... here. Take as a parameter
7798 loop_nest_depth. Call build_classic_dist_vector and
7799 build_classic_dir_vector.
7800 (compute_affine_dependence): Update subscript_dependence_tester
7801 parameters. Update datadep_stats counters. Call
7802 compute_subscript_distance.
7803 (compute_self_dependence): Save the dist and dir vectors. Call
7804 compute_subscript_distance.
7805 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7806 (compute_all_dependences): Reorder parameters as they were before
7807 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7808 compute_subscript_distance. Update the use of
7809 compute_affine_dependence and initialize_data_dependence_relation.
7810 (find_data_references_in_loop): Handle COMPONENT_REF.
7811 (compute_data_dependences_for_loop): Initialize dependence_stats.
7812 Don't call build_classic_dist_vector and build_classic_dir_vector.
7813 Update the parameters of initialize_data_dependence_relation and
7814 compute_all_dependences. Print the statistics from datadep_stats.
7815 (analyze_all_data_dependences): Static. Not used until the pass for
7816 checking the data dependences is contributed.
7817 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7818 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7819 (initialize_data_dependence_relation, compute_affine_dependence,
7820 analyze_all_data_dependences, compute_subscript_distance): Removed.
7821 (print_direction_vector): New.
7822 * lambda.h (gcd): ... here.
7823 (lambda_vector_gcd): Moved here from gcd_vector.
7824 * lambda-code.c (gcd, gcd_vector): Removed.
7825 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7826 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7828 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7830 * ipa-type-escape.c: Tidy some comments and white space.
7831 * tree-ssa-operands.c: Likewise.
7833 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7836 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7837 (dump_decl_name): Do not walk the decl tree chains.
7838 * tree-pass.h (TDF_CHAIN): Remove.
7840 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7842 * Makefile.in (C): Remove
7844 (.PHONY): Remove C and PROTO
7846 2006-02-20 Roger Sayle <roger@eyesopen.com>
7849 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7850 deprecated CHAR_TYPE tree code.
7852 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7854 * configure.ac (target_list): Add install-info, dvi, html.
7855 * configure: Regenerate.
7857 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7858 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7859 treelang/Make-lang.in: Do not use double-colon rules.
7861 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7863 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7864 (TMT_USED_ALONE): New macro.
7865 * tree-pass.h (PROP_tmt_usage): New property.
7866 (TODO_update_tmt_usage): New todo.
7867 * tree-ssa-alias.c (updating_used_alone): New variable.
7868 (recalculate_used_alone): New function.
7869 (compute_may_aliases): Set updating_used_alone, call
7870 recalculate_used_alone.
7871 * tree-sra.c (pass_sra): Note that this pass destroys
7872 PROP_tmt_usage, and add TODO_update_tmt_usage.
7873 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7874 * tree-flow.h (updating_used_alone): Prototype.
7875 (recalculate_used_alone): Ditto.
7876 * passes.c (execute_todo): Add code to set updating_used_alone,
7877 and call recalculate.
7878 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7879 for clobber if used alone, and add assert to verify used_alone
7882 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7884 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7885 for non tls symbols added.
7886 (legitimize_address): Do nothing for PLUS expressions if one of the
7887 addends is a tls symbol reference.
7889 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7893 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7895 * Makefile.in (BOOTSTRAPPING): New.
7896 (quickstrap): New definition if BOOTSTRAPPING=yes.
7898 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7899 * configure.ac: Substitute all_selected_languages with the languages
7900 that were configured. For all the other variables except
7901 lang_specs_files, include all the languages in the tree.
7902 * configure: Regenerate.
7904 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7905 if there is one. Run the commands to run fixincludes in the same
7908 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7909 * doc/install.texi: Document exact conventions for searching target tools.
7910 Document --with-build-time-tools. Document toplevel bootstrap. Document
7911 something more about building an Ada cross-compiler. Don't list GNU Make
7912 requirements which affect all platforms.
7914 2006-02-19 Roger Sayle <roger@eyesopen.com>
7917 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7918 only equivalent if the have both the same mode and precision.
7920 2006-02-20 Ben Elliston <bje@au.ibm.com>
7922 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7924 2006-02-19 Roger Sayle <roger@eyesopen.com>
7925 Steven Bosscher <stevenb.gcc@gmail.com>
7927 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7928 constant pool references to identify stack mode constants.
7929 * rtlanal.c (constant_pool_constant_p): New predicate to check
7930 whether operand is a floating point constant in the pool.
7931 * rtl.h (constant_pool_constant_p): Prototype here.
7932 * loop.c (scan_loop): Avoid hoisting constants from the constant
7933 pool on STACK_REGS targets.
7934 (load_mems): Likewise.
7935 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7936 loads into x87 registers expensive in terms of register pressure.
7938 2006-02-19 Roger Sayle <roger@eyesopen.com>
7940 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7941 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7943 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7945 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7946 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7948 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7950 * doc/invoke.texi: Document -fipa-pta.
7951 * common.opt: Add ipa-pta option.
7952 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7953 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7954 (do_ds_constraint): Ditto.
7955 (get_constraint_for): Only add to referenced_vars if
7956 referenced_vars exists.
7957 (insert_into_field_list): Rewrite to do this unsorted.
7958 (insert_into_field_list_sorted): Rename old insert_into_field_list
7960 (create_function_info_for): Use insert_into_field_list_sorted.
7961 (create_variable_info_for): Rewrite so it uses unsorted version,
7962 since the field list is sorted.
7963 (intra_create_variable_infos): Only add to referenced_vars if
7964 referenced_vars exists.
7965 (ipa_pta_execute): Init heapvars, and delete when done.
7966 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7968 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7970 * doc/install.texi: Add missing `@samp'.
7972 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7974 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7977 2006-02-18 Mark Wielaard <mark@klomp.org>
7979 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7980 who added new 4.1 features, bug fixes and integration support.
7982 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7985 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7988 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7990 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7991 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7992 (copy_insn_1): Likewise. Don't copy each field individually.
7994 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7996 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7997 * rtl.c (rtx_size): Rename variable to...
7998 (rtx_code_size): ...this.
7999 (rtx_size): New function.
8000 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8001 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8003 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8004 * rtl.h (rtx_code_size): New variable.
8005 (rtx_size): Change from a variable to a function.
8006 (RTX_SIZE): Rename to...
8007 (RTX_CODE_SIZE): ...this.
8010 PR tree-optimization/17106
8011 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8012 (Anchored Addresses): New section.
8013 * doc/invoke.texi (-fsection-anchors): Document.
8014 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8015 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8016 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8017 * hooks.c (hook_bool_mode_rtx_false): New function.
8018 * hooks.h (hook_bool_mode_rtx_false): Declare.
8019 * gengtype.c (create_optional_field): New function.
8020 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8021 SYMBOL_REF_IN_BLOCK_P is true.
8022 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8023 (min_anchor_offset, max_anchor_offset): Likewise.
8024 (use_anchors_for_symbol_p): New hook.
8025 * toplev.c (compile_file): Call output_object_blocks.
8026 (target_supports_section_anchors_p): New function.
8027 (process_options): Check that -fsection-anchors is only used on
8028 targets that support it and when -funit-at-a-time is in effect.
8029 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8030 if the decl doesn't have one.
8031 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8032 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8033 of force_const_mem through use_anchored_address.
8034 (expand_expr_constant): New function.
8035 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8036 calling expand_expr for INDIRECT_REF.
8037 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8038 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8039 * expr.h (use_anchored_address): Declare.
8040 * loop-unroll.c: Don't declare rtx vectors here.
8041 * explow.c: Include output.h.
8042 (validize_mem): Call use_anchored_address.
8043 (use_anchored_address): New function.
8044 * common.opt (-fsection-anchors): New switch.
8045 * varasm.c (object_block_htab, anchor_labelno): New variables.
8046 (hash_section, object_block_entry_eq, object_block_entry_hash)
8047 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8048 (use_blocks_for_decl_p, change_symbol_section): New functions.
8049 (get_variable_section): New function, split out from assemble_variable.
8050 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8051 use_blocks_for_decl_p say so. Use change_symbol_section if the
8052 symbol has already been created.
8053 (assemble_variable_contents): New function, split out from...
8054 (assemble_variable): ...here. Don't output any code for
8055 block symbols; just pass them to place_block_symbol.
8056 Use get_variable_section and assemble_variable_contents.
8057 (get_constant_alignment, get_constant_section, get_constant_size): New
8058 functions, split from output_constant_def_contents.
8059 (build_constant_desc): Create a block symbol if use_object_blocks_p
8060 says so. Or into SYMBOL_REF_FLAGS.
8061 (assemble_constant_contents): New function, split from...
8062 (output_constant_def_contents): ...here. Don't output any code
8063 for block symbols; just pass them to place_section_symbol.
8064 Use get_constant_section and get_constant_alignment.
8065 (force_const_mem): Create a block symbol if use_object_blocks_p and
8066 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8067 (output_constant_pool_1): Add an explicit alignment argument.
8068 Don't switch sections here.
8069 (output_constant_pool): Adjust call to output_constant_pool_1.
8070 Switch sections here instead. Don't output anything for block symbols;
8071 just pass them to place_block_symbol.
8072 (init_varasm_once): Initialize object_block_htab.
8073 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8074 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8075 (place_block_symbol, get_section_anchor, output_object_block)
8076 (output_object_block_htab, output_object_blocks): New functions.
8077 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8078 (TARGET_ASM_OUT): Include it.
8079 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8080 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8081 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8082 (TARGET_INITIALIZER): Include them.
8083 * rtl.c (rtl_check_failed_block_symbol): New function.
8084 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8085 (block_symbol, object_block): New structures.
8086 (rtx_def): Add a block_symbol field to the union.
8087 (BLOCK_SYMBOL_CHECK): New macro.
8088 (rtl_check_failed_block_symbol): Declare.
8089 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8090 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8091 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8092 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8093 * output.h (output_section_symbols): Declare.
8094 (object_block): Name structure.
8095 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8096 (default_use_anchors_for_symbol_p): Declare.
8097 * Makefile.in (RTL_BASE_H): Add vec.h.
8098 (explow.o): Depend on output.h.
8099 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8100 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8101 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8102 (rs6000_use_blocks_for_constant_p): New function.
8104 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8106 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8108 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8111 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8114 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8116 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8120 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8123 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8124 instead of DECL_REGISTER.
8126 2006-02-18 Olivier Hainque <hainque@adacore.com>
8129 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8131 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8134 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8135 * opth-gen.awk: Handle Var and InverseMask together.
8136 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8137 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8138 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8139 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8141 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8142 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8143 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8144 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8145 LINUX_DYNAMIC_LINKER): Define.
8146 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8147 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8149 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8150 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8151 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8153 (TARGET_C99_FUNCTIONS): Don't define.
8154 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8155 GLIBC_DYNAMIC_LINKER.
8156 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8157 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8158 GLIBC_DYNAMIC_LINKER64): Define.
8159 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8160 LINUX_DYNAMIC_LINKER64.
8161 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8163 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8165 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8167 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8168 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8169 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8171 and LINUX_DYNAMIC_LINKER32.
8172 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8174 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8176 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8178 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8179 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8180 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8181 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8182 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8183 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8184 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8185 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8186 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8187 LINUX_DYNAMIC_LINKER): Define.
8188 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8189 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8190 GLIBC_DYNAMIC_LINKER64): Define.
8191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8192 LINUX_DYNAMIC_LINKER64.
8193 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8194 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8195 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8196 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8197 LINUX_DYNAMIC_LINKER): Define.
8198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8199 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8200 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8201 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8202 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8203 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8204 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8205 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8206 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8207 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8209 * doc/invoke.texi (-muclibc): Remove caveat about supported
8212 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8214 * doc/cpp.texi (__TIMESTAMP__): Document.
8216 2006-02-17 Roger Sayle <roger@eyesopen.com>
8219 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8220 C is one less than the width of X (and related transformations).
8221 * simplify-rtx.c (simplify_unary_operation_1): Transform
8222 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8223 depending on STORE_FLAG_VALUE, were C is one less then the
8226 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8228 Fix PR tree-optimization/26341
8229 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8230 about NAME_MEMORY_TAG's.
8232 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8235 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8236 with hardware float support, and software float support. Add fcpy
8237 alternative to hardware patterns. Add alternatives to copy between
8238 general and floating-point registers to the 32-bit pattern.
8239 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8240 secondary reload to load a QI or HI mode constant into a floating
8242 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8243 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8245 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8248 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8250 (load_macho_picbase_di): Likewise.
8252 2006-02-16 Jeff Law <law@redhat.com>
8254 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8255 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8256 (ssa_name_nonzero_p): Likewise.
8257 (get_value_range): Return NULL if VRP is not running.
8258 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8259 VRP routines do not discover a range.
8260 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8261 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8262 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8263 (tree_expr_nonnegative_p): Similarly.
8264 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8265 (restore_nonzero_vars_to_original_value): Remove.
8266 (unsafe_associative_fp_binop): Remove.
8267 (tree_ssa_dominator_optimize): Remove initialization and
8268 finalization of nonzero_vars and nonzero_vars_stack.
8269 (dom_opt_initialize_block): No longer push marker on
8271 (dom_opt_finalize_block): No longer call
8272 restore_nonzero_vars_to_original_value.
8273 (record_equivalences_from_phis): No longer look for
8274 nonzero PHI arguments.
8275 (cprop_into_successor_phis): No longer propagate nonzero
8276 property into PHI arguments. Lose unused argument. Caller
8278 (record_equivalences_from_stmt): No longer record nonzero
8279 values for SSA_NAMEs.
8280 (lookup_avail_expr): No longer use nonzero_vars.
8282 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8283 for sizetype when sizetype is unsigned.
8285 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8287 PR rtl-optimization/25603
8288 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8289 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8290 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8291 with new meaning of SETS.
8293 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8298 * config/linux.opt: New file.
8299 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8300 LINUX_DYNAMIC_LINKER): Define.
8301 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8302 * config.gcc (*-*-linux*): Define extra_options.
8303 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8304 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8305 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8306 GLIBC_DYNAMIC_LINKER.
8307 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8308 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8309 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8311 * doc/invoke.texi (GNU/Linux Options): New section.
8313 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8315 * config/sparc/sparc.md (setjmp): Rewrite.
8316 (setjmp_32): Delete.
8317 (setjmp_64): Likewise.
8319 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8321 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8324 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8326 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8329 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8331 PR rtl-optimization/26296
8332 * Makefile.in (loop-invariant.c): Add except.h dependency.
8333 * loop-invariant.c: Include except.h.
8334 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8336 2005-02-16 Paul Brook <paul@codesourcery.com>
8338 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8341 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8343 PR rtl-optimization/25636
8344 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8345 when deciding whether an insn is an initializing insn.
8347 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8349 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8350 (tree_code_size): Ditto.
8351 * tree.h (struct tree_memory_tag): Remove parent_var.
8352 (struct tree_struct_field_tag): New.
8355 (union tree_node): Add sft member.
8356 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8358 (create_sft): Add size and offset argument, set SFT_OFFSET and
8360 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8361 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8362 * tree-flow-inline.h (get_subvar_at): Update for
8363 SFT_OFFSET/SFT_SIZE.
8364 (var_can_have_subvars): Ditto.
8365 (overlap_subvar): Ditto.
8366 * print-tree.c (print_node): Print out interesting things for
8368 * tree-flow.h (struct subvar): Remove offset and size members.
8369 * tree-ssa-operands.c (get_expr_operands): Update for
8370 get_indirect_ref_operands changes.
8371 (get_indirect_ref_operands): Call add_virtual_operand instead of
8372 add_stmt_operand. Only recurse on base var if requested.
8373 (access_can_touch_variable): New function.
8374 (add_stmt_operand): Split virtual operand handling into ...
8375 (add_virtual_operand): Here. Add offset, size, and for_clobber
8376 arguments. Prune alias sets.
8377 (add_call_clobber_ops): Call add_virtual_operand.
8379 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8382 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8384 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8385 than TREE_CODE as index into omp_clause_num_ops array.
8387 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8389 PR rtl-optimization/26184
8390 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8392 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8393 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8394 must_precede, must_follow and tobe_scheduled.
8397 * opts.c (common_handle_option): Free new_option pointer.
8398 * df-core.c (df_analyze): Free postorder pointer.
8400 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8402 * Makefile.in: Fix the examples about the use of stamps
8404 2006-02-15 Michael Matz <matz@suse.de>
8408 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8409 influenced by maximum_field_alignment or DECL_PACKED.
8410 (update_alignment_for_field): Ditto.
8411 (place_field): Ditto.
8412 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8415 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8417 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8418 (debug_flow_info): Pass it.
8419 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8420 * bb-reorder.c (reorder_basic_blocks): Likewise.
8421 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8422 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8423 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8424 * gcse.c (gcse_main, bypass_jumps): Likewise.
8425 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8426 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8427 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8428 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8429 * rtl.h (dump_flow_info): Adjust prototype.
8430 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8431 * var-tracking.c (variable_tracking_main): Likewise.
8432 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8433 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8436 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8438 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8441 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8443 PR tree-optimization/26209
8444 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8445 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8447 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8449 2006-02-14 Roger Sayle <roger@eyesopen.com>
8452 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8453 (X,Y) and the corresponding symmetry related transformations.
8454 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8455 (X,Y) and its symmetry related transformations.
8457 2006-02-14 Roger Sayle <roger@eyesopen.com>
8459 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8462 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8464 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8466 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8469 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8470 support COMDAT group.
8471 * configure: Regenerate.
8473 2006-02-14 Roger Sayle <roger@eyesopen.com>
8478 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8480 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8482 Fix PR tree-optimization/26260
8484 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8486 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8487 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8488 * tree-ssa-structalias.c (create_variable_info_for): Use
8489 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8491 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8493 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8495 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8496 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8497 of the ending condition.
8498 * tree-ssa-loop-manip.c: Include params.h.
8499 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8500 tree_unroll_loop): New functions.
8501 * tree-pass.h (pass_loop_prefetch): Declare.
8502 * loop.c (rest_of_handle_loop_optimize): Test for
8503 -fprefetch-loop-arrays-rtl.
8504 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8505 * timevar.def (TV_TREE_PREFETCH): New timevar.
8506 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8507 pass_loop_prefetch): New.
8508 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8509 (cleanup_tree_cfg_loop): Call scev_reset.
8510 * common.opt (fprefetch-loop-arrays-rtl): Add.
8511 * tree-ssa-loop-prefetch.c: New file.
8512 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8513 (new_temp_expr_table): Initialize expr_vars.
8514 (free_temp_expr_table): Cleanup expr_vars.
8515 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8516 expressions from being merged into one.
8517 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8518 (struct tree_niter_desc): Add control, bound and cmp fields.
8519 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8521 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8522 (tree-cfgcleanup.o): Add SCEV_H dependency.
8523 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8524 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8526 2006-02-14 Richard Guenther <rguenther@suse.de>
8528 PR tree-optimization/26258
8529 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8530 in PHI argument processing.
8532 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8534 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8535 new expression in the requested machine mode.
8537 2006-02-13 Roger Sayle <roger@eyesopen.com>
8539 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8540 directly, instead let do_compare_rtx_and_jump handle this for us.
8541 * expr.c (expand_expr_real_1): Likewise.
8542 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8543 before do_jump_by_parts_greater.
8544 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8545 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8547 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8549 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8551 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8553 PR rtl-optimization/26235
8554 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8555 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8558 2006-02-13 Jeff Law <law@redhat.com>
8560 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8563 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8566 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8567 twice if decl is a builtin. When trying again, call get_callee_fndecl
8568 first to verify it is still a builtin.
8570 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8572 * dwarf2out.c (base_type_die): Don't add AT_name here.
8573 (subrange_type_die): Don't add AT_name here.
8574 (modified_type_die): Rearrange code flow. Do add AT_name here.
8576 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8578 PR rtl-optimization/26247
8579 PR rtl-optimization/26248
8580 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8582 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8584 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8585 * config/fixtfdi.c: Likewise.
8586 * config/fixunstfdi.c: Likewise.
8587 * config/floatditf.c: Likewise.
8589 2006-02-13 Roger Sayle <roger@eyesopen.com>
8592 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8593 into (X,C2) if C1 is a subset of the bits of C2. Transform
8594 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8596 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8598 2006-02-13 Josh Conner <jconner@apple.com>
8601 * varasm.c (function_section): Check for section name before
8602 calling select_section on targets that define
8603 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8604 unlikely_text_section instead of hot_function_section if
8605 first_function_block_is_cold.
8607 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8610 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8612 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8614 PR rtl-optimization/26222
8615 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8616 after tree->rtl expansion.
8617 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8618 before passing it to emit_move_insn.
8620 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8622 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8624 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8625 Clarify documentation.
8626 * c-common.h (warn_write_strings): Remove.
8627 * c-common.c (warn_write_strings): Likewise.
8628 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8631 2006-02-12 Roger Sayle <roger@eyesopen.com>
8634 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8635 (do_jump_parts_zero_rtx): New function renamed from
8636 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8637 (do_jump_parts_equality_rtx): New function split out from
8638 do_jump_parts_equality. Old implementation renamed as above.
8639 Call do_jump_parts_zero_rtx if either operand is zero.
8640 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8641 do all of the heavy lifting.
8642 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8643 calling either do_jump_by_parts_greater_rtx or
8644 do_jump_by_parts_equality_rtx.
8645 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8646 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8647 moved to do_compare_rtx_and_jump, call it directly.
8648 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8649 mode argument. Call do_compare_rtx_and_jump.
8650 (emit_case_nodes): Update calls to do_jump_if_equal.
8652 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8654 PR rtl-optimization/26225
8655 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8657 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8659 PR rtl-optimization/26232
8660 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8662 2006-02-11 Jason Merrill <jason@redhat.com>
8665 * tree-inline.c (declare_return_variable): Just don't use the
8666 modify target if it's a gimple complex reg and the return slot
8669 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8671 * doc/contrib.texi: Update my entry.
8673 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8675 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8677 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8679 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8682 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8684 * doc/invoke.texi (-floop-optimize2): Removed.
8685 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8686 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8687 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8688 * common.opt (floop-optimize2): Removed.
8689 (fmove-loop-invariants): Enabled by default.
8691 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8693 * tree-if-conv.c (combine_blocks): Free the result of
8694 get_loop_exit_edges.
8696 2006-02-10 Jeff Law <law@redhat.com>
8698 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8700 PR tree-optimization/26213
8701 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8702 loop trying to follow SSA_NAME_VALUE chains.
8704 2006-02-10 Richard Guenther <rguenther@suse.de>
8706 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8707 deal with structures that end in implicitly variable sized arrays.
8709 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8711 PR rtl-optimization/24762
8712 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8715 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8717 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8718 (struct ivopts_data): Add regs_used field.
8719 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8720 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8721 instead of loop_data->regs_used;
8722 (free_loop_data): Do not free aux fields for loops.
8723 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8724 and tree_ssa_iv_optimize_finalize.
8726 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8728 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8730 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8733 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8734 computing the effective result type.
8736 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8739 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8740 (tree_overlaps_hard_reg_set): Declare.
8741 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8742 type and signature to match function type expected by walk_tree.
8743 (tree_overlaps_hard_reg_set): New function.
8744 (decl_conflicts_with_clobbers_p): Rename to:
8745 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8746 Use tree_overlaps_hard_reg_set. Changed caller.
8747 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8748 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8749 * cris.c (cris_md_asm_clobbers): Likewise.
8751 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8753 * reload1.c (emit_input_reload_insns): Delete code that tries to
8754 inherit using find_equiv_reg.
8756 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8758 * c-common.h (flag_const_strings): Don't declare.
8759 * c-common.c (flag_const_strings): Remove.
8760 * c.opt (fconst_strings): Remove.
8761 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8762 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8763 (c_common_init_options): Don't set flag_const_strings.
8764 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8766 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8768 * arm.md (tlobits_cbranch): New pattern.
8769 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8770 testing a single bit.
8772 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8775 * tree-ssa-pre.c (create_component_ref_by_pieces):
8776 Handle RETURN_DECL like VAR_DECL.
8778 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8781 * fold-const.c (fold_indirect_ref_1): Fold
8782 "*(foo *)&complexfoo" to "__real__ complexfoo"
8783 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8785 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8787 * tree-flow-inline.h (var_can_have_subvars):
8788 Volatile variables should not have subvariables.
8790 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8793 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8794 multiplying unsigned values.
8797 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8799 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8801 2006-02-08 Jason Merrill <jason@redhat.com>
8804 * tree.def: Elaborate on difference from MODIFY_EXPR.
8805 * doc/c-tree.texi (INIT_EXPR): Likewise.
8806 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8807 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8808 (gimplify_target_expr): Likewise.
8809 (gimplify_cond_expr): Remove target handling.
8810 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8811 (gimplify_expr): Clobber it here.
8812 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8813 Do return slot optimization if we have an INIT_EXPR.
8816 * tree-inline.c (declare_return_variable): Also clear
8817 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8820 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8823 * gimplify.c (gimplify_one_sizepos): Fix typo.
8825 2006-02-08 Jeff Law <law@redhat.com>
8827 PR tree-optimization/21417
8828 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8829 across a backedge if the control statement at the end of the
8830 block is data dependent on other statements in the same block.
8831 (record_temporary_equivalences_from_stmts): Remove over-conservative
8832 test for threading across backedges.
8834 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8835 control statement, handle all three special cases in the same
8836 manner as they all have the same desired solution. No longer
8837 special case edge flag updating when the post dominator is
8840 2006-02-08 Roger Sayle <roger@eyesopen.com>
8842 * tree.def (CHAR_TYPE): Remove.
8843 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8844 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8845 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8846 (gen_string_type_die): Delete unreachable function.
8848 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8849 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8850 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8851 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8852 * builtins.c (type_to_class): Likewise.
8853 * fold-const.c (fold_convert, build_range_check,
8854 merge_ranges): Likewise.
8855 * expr.c (count_type_elements): Likewise.
8856 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8857 * stor-layout.c (layout_type): Likewise.
8858 * ipa-type-escape.c (type_to_consider): Likewise.
8859 * gimplify.c (omp_firstprivatize_type_sizes,
8860 gimplify_type_sizes): Likewise.
8861 * explow.c (promote_mode): Likewise.
8862 * tree-sra.c (is_sra_scalar_type): Likewise.
8863 * varasm.c (output_constant): Likewise.
8864 * tree-inline.c (remap_type_1): Likewise.
8865 * convert.c (convert_to_pointer, convert_to_real,
8866 convert_to_integer, convert_to_complex): Likewise.
8868 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8870 * df-scan.c (df_def_record_1): A set destination may
8871 be a parallel regardless of mode.
8873 2006-02-08 Roger Sayle <roger@eyesopen.com>
8876 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8877 * config/mips/_tilib.c: Remove.
8878 * config/fixtfdi.c: New libgcc source file.
8879 * config/fixunstfdi.c: New source file.
8880 * config/floatditf.c: New source file.
8881 * config/floatunditf.c: New souce file.
8882 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8883 files above instead of config/mips/_tilib.c.
8884 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8886 2006-02-08 Jeff Law <law@redhat.com>
8888 PR tree-optimization/26169
8889 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8892 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8894 * df.h (DF_REG_SIZE): Return the length of the initialized
8897 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8899 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8900 __muldf3): Return a correctly signed zero.
8902 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8904 * passes.c (register_one_dump_file): Accept the current properties
8905 instead of pass number. Adjust call to dump_register. Remove
8907 (register_dump_files): Now a wrapper around...
8908 (register_dump_files_1): ... this one. Do not modify the pass
8910 (next_pass_1): Cosmetic fix.
8911 (execute_todo): Keep second parameter only. Use curr_properties
8912 instead of fetching it from the pass structure. Check and set
8914 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8915 instead of fetching it from the pass structure. Fix calls to
8916 execute_todo. Update curr_properties and initialize .vcg RTL dump
8917 after running the pass. Reset last_verified.
8918 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8920 (FIRST_AUTO_NUMBERED_DUMP): New.
8921 (dump_register): Remove "num" parameter, assign it within the
8923 (get_dump_file_name): Modify template for dumps.
8924 * tree-dump.h (dump_register): Adjust prototype.
8925 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8926 (PROP_trees): Add PROP_gimple_lomp.
8927 (TODO_set_props): New.
8928 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8929 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8930 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8932 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8934 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8935 (sparc64-*-linux*): Likewise.
8936 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8937 * config/sparc/t-linux: New file.
8938 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8939 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8940 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8941 -m32 -mlong-double-128.
8943 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8944 * config/alpha/t-linux: New file.
8945 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8947 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8948 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8949 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8950 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8951 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8952 (CPP_ARCH32_SPEC): Remove.
8954 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8956 PR tree-optimization/26145
8957 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8960 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8963 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8964 >= 240000 when generating code for SOM runtime.
8965 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8966 to $$dyncall when generating code for SOM runtime..
8968 2006-02-07 Dirk Mueller <dmueller@suse.com>
8971 * doc/invoke.texi (-Wsequence-point): Update documentation
8972 that -Wsequence-point is implemented for C++ as well.
8974 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8976 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8977 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8978 (LIB_SPEC): Likewise.
8979 * doc/invoke.texi (SPARC options): Document -pthread.
8981 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8983 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8986 2006-02-07 Roger Sayle <roger@eyesopen.com>
8988 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8989 Correct comment describing BOOLEAN_TYPE.
8991 2006-02-07 Dirk Mueller <dmueller@suse.com>
8993 * c.opt: C++ frontend supports -Wdiv-by-zero.
8994 * c-opts.c (c_common_handle_option): Remove dead case.
8996 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8998 * configure.ac (TLS assembler check): Do not enable TLS by
8999 default on SPARC/Solaris before version 10.
9000 * configure: Regenerate.
9002 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9004 * doc/invoke.texi (xl-compat): Document conversion and support
9007 2006-02-07 Jeff Law <law@redhat.com>
9009 * tree-vrp.c (find_conditional_asserts): Update comments.
9010 (simplify_stmt_for_jump_threading): New.
9011 (identify_jump_threads, finalize_jump_threads): New.
9012 (vrp_finalize): Call identify_jump_threads.
9013 (execute_vrp): Call finalize_jump_threads.
9014 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9015 (vrp_element, vrp_data, vrp_element_p): Remove.
9016 (vrp_hash_elt, vrp_variables_stack): Remove.
9017 (vrp_hash, vrp_eq, record_range): Remove.
9018 (simplify_cond_and_lookup_avail_expr): Remove.
9019 (extract_range_from_cond): Remove.
9020 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9021 (simplify_stmt_for_jump_threading): New.
9022 (dom_thread_across_edge): New wrapper.
9023 (tree_ssa_dominator_optimize): No longer initialize or
9024 finalize any of the VRP datastructures. Remove iteration
9025 step and simplify as a result of removal of iteration step.
9026 (pass_dominator): Perform a cfg cleanup after DOM.
9027 (dom_opt_finalize_block): Use the new common routines
9028 for threading jumps. Simplify stack management slightly.
9029 No longer need to unwind VRP state.
9030 (record_equivalences_from_incoming_edge): No longer record
9032 (eliminate_redundant_computations): No longer call
9033 simplify_cond_and_lookup_avail_expr.
9034 * tree-flow.h (potentially_threadable_block): Prototype.
9035 (thread_across_edge): Likewise.
9036 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9037 (tree-ssa-threadedge.o): Add dependencies.
9038 * tree-ssa-threadedge.c: New file.
9039 * passes.c (init_optimization_passes): Merge PHIs before
9040 calling VRP. Run VRP again late in the SSA optimization pipeline.
9042 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9044 * df-core.c (df_set_blocks): Do not dereference function pointers.
9045 (df_finish1): Likewise.
9046 (df_hybrid_search_forward): Likewise.
9047 (df_hybrid_search_backward): Likewise.
9048 (df_iterative_dataflow): Likewise.
9049 (df_analyze_problem): Likewise.
9050 (df_compact_blocks): Likewise.
9051 (df_dump): Likewise.
9052 * df-scan.c (df_rescan_blocks): Likewise.
9053 (df_record_entry_block_defs): Likewise.
9055 * genconditions.c (write_conditions): Guard the definition of
9056 'insn_conditions' with the check on GCC version.
9057 (write_writer): Guard the traversal 'insn_conditions' with
9058 the check on GCC version.
9060 2006-02-07 Richard Guenther <rguenther@suse.de>
9064 2006-01-30 Richard Guenther <rguenther@suse.de>
9066 * gimplify.c (gimplify_target_expr): Handle easy cases
9067 without creating a temporary.
9069 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9071 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9072 use of float in probability computations. Use edge probabilities
9073 in place of statically computed probabilities.
9074 (min_spec_prob): New static variable.
9075 (schedule_insns): Initialize it.
9076 (GET_SRC_PROB): Removed.
9077 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9079 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9082 * config/ia64/unwind-ia64.c: Revert last change.
9083 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9084 (INCOMING_FRAME_SP_OFFSET): Define.
9086 2006-02-06 Roger Sayle <roger@eyesopen.com>
9088 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9090 2006-02-07 Ben Elliston <bje@au.ibm.com>
9092 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9093 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9094 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9095 (ix86_return_in_memory): Handle TDmode.
9096 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9097 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9099 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9101 * reorg.c (dbr_schedule): Use dump_file instead of file.
9103 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9106 * config/ia64/predicates.md (extr_len_operand): New predicate.
9107 * config/ia64/ia64.md (extv): Tighten constraints.
9109 (*tbit_and_2): Ditto.
9110 (*tbit_and_3): Ditto.
9111 (*tbit_or_2): Ditto.
9112 (*tbit_or_3): Ditto.
9116 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9119 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9121 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9123 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9124 loop_optimizer_init and loop_optimizer_finalize
9125 * tree-ssa-sink.c (execute_sink_code): Ditto.
9126 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9127 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9128 tree_ssa_loop_done): Ditto.
9129 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9130 * sched-ebb.c: Include output.h.
9131 (schedule_ebbs): Do not use dump argument.
9132 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9133 * loop.c (loop_dump_stream): Removed.
9134 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9136 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9137 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9138 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9139 loop_iterations, strength_reduce, record_biv, record_giv,
9140 final_giv_value, check_final_value, check_ext_dependent_givs,
9141 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9142 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9143 dump_file instead of loop_dump_stream.
9144 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9146 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9148 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9149 * haifa-sched.c: Include output.h
9150 (schedule_insns, sched_init): Do not use dump argument.
9151 * mode-switching.c (optimize_mode_switching): Ditto.
9152 * modulo-sched.c (stats_file): Removed.
9153 (print_node_sched_params): Do not call argument dump_file.
9154 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9155 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9157 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9159 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9160 rtl_loop_init, rtl_loop_done): Ditto.
9161 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9162 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9164 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9165 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9166 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9167 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9168 * emit-rtl.c (renumber_insns): Ditto.
9169 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9170 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9171 * regclass.c (regclass): Ditto.
9172 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9173 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9174 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9175 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9177 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9178 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9180 * gcse.c (gcse_file, debug_stderr): Removed.
9181 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9182 rest_of_handle_gcse): Do not use dump argument.
9183 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9184 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9185 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9186 compute_code_hoist_vbeinout, compute_code_hoist_data,
9187 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9188 compute_store_table, build_store_vectors, insert_insn_start_bb,
9189 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9190 store_motion): Use dump_file instead of gcse_file.
9191 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9192 * profile.c (profile_dump_file): Removed.
9193 (branch_prob): Use dump_file instead of profile_dump_file.
9194 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9196 * tree-ssa-copy.c (dump_copy_of): Ditto.
9197 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9198 dump file to life_analysis.
9199 * bt-load.c (branch_target_load_optimize): Ditto.
9200 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9202 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9203 regclass, dbr_schedule): Declaration changed.
9204 * sched-int.h (sched_init): Declaration changed.
9205 * tree-profile.c (tree_profile_dump_file): Removed.
9206 (tree_profile_hooks): Removed profile_dump_file hook.
9207 * rtl-profile (rtl_profile_dump_file): Removed.
9208 (rtl_profile_hooks): emoved profile_dump_file hook.
9209 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9211 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9212 * tree-cfg.c (build_tree_cfg): Ditto.
9213 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9214 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9215 Declaration changed.
9216 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9217 life_analysis and schedule_insns.
9218 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9220 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9222 * config/mips/mips.c (mips_reorg): Ditto.
9223 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9226 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9228 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9229 (s390_mangle_fundamental_type): New.
9230 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9233 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9234 (alpha_mangle_fundamental_type): New.
9235 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9238 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9240 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9242 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9243 (sparc_mangle_fundamental_type): New.
9245 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9247 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9248 (s390x-*-linux*): Likewise.
9249 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9250 * config/s390/t-linux: New file.
9252 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9254 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9255 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9257 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9259 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9260 (ANTIC_SAFE_LOADS): New macro.
9261 (find_or_generate_expression): Add prototype.
9262 (set_contains_value): Allow null set for sake of not always having
9263 to allocate ANTIC_SAFE_LOADS.
9264 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9265 Allow COMPONENT_REF too.
9266 (valid_in_set): Allow COMPONENT_REF.
9267 Check ANTIC_SAFE_LOADS too.
9268 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9269 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9271 (can_PRE_operation): Add COMPONENT_REF.
9272 (create_component_ref_by_pieces): New function.
9273 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9274 (insert_aux): Move AGGREGATE_TYPE_P check here.
9275 (compute_avail): Set bb local stmt uids.
9276 (pass_pre): Use TODO_update_ssa_only_virtuals.
9278 2006-02-06 Ben Elliston <bje@au.ibm.com>
9280 * configure.ac: Unconditionally disable decimal float by default.
9281 * configure: Regenerate.
9283 2006-02-06 Ben Elliston <bje@au.ibm.com>
9285 * read-rtl.c (read_name): Terminate reading on EOF.
9287 2006-02-06 Ben Elliston <bje@au.ibm.com>
9289 * dfp.c (decimal_real_arithmetic): Change second argument type
9290 from int to enum tree_code. Do not always return true, but now
9291 return result of any call to decimal_do helper functions.
9292 * dfp.h (decimal_real_arithmetic): Update prototype.
9294 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9296 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9298 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9301 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9304 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9306 * tree-vrp.c (cfg_loops): Removed.
9307 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9308 Use current_loops instead of cfg_loops. Pass flags to
9309 loop_optimizer_init.
9310 * cfgloopmanip.c (fix_loop_structure): Update only available
9312 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9313 loop_optimizer_init.
9314 * modulo-sched.c (build_loops_structure): Removed.
9315 (sms_schedule): Use loop_optimizer_init.
9316 * loop-init.c (loop_optimizer_init): Use flags to determine
9317 which properties of loops to prepare.
9318 (rtl_loop_init): Pass flags to loop_optimizer_init.
9319 * tree-ssa-sink.c (execute_sink_code): Ditto.
9320 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9321 * tree-ssa-pre.c (init_pre): Ditto.
9322 * cfgloop.h (LOOPS_NORMAL): New.
9323 (loop_optimizer_init): Declaration changed.
9325 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9327 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9328 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9330 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9332 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9334 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9335 * pa/t-pa64: Delete quadlib.c rule.
9336 * pa/x-ada: Revert last change.
9337 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9339 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9341 PR rtl-optimization/26087
9342 * rtlanal.c (canonicalize_condition): Do not cross basic block
9345 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9348 * config/ia64/ia64.c: Include debug.h.
9349 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9350 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9351 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9352 (process_epilogue, process_set, process_for_unwind_directive):
9353 Output unwind info only if requested. Add CFA info if requested.
9354 Add new arguments as needed. Adjust callers.
9355 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9357 (DWARF2_FRAME_INFO): Define to zero.
9358 * config/ia64/unwind-ia64.c: Remove code that compensated for
9359 the CFA offset error fixed above.
9360 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9361 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9362 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9363 -funwind-tables and -fexceptions to enable frame info.
9364 (dwarf2out_frame_init): Define initial CFA even if
9365 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9366 DWARF2_UNWIND_INFO is nonzero, not just defined.
9367 (dwarf2out_frame_finish): Output non-EH call frame info only
9368 if DWARF2_FRAME_INFO is nonzero.
9369 (convert_cfa_to_loc_list,
9370 compute_frame_pointer_to_cfa_displacement): Define even if
9371 unwind info is not supported.
9372 (gen_subprogram_die): Use the above unconditionally. Remove
9373 legacy alternate code.
9374 * toplev.c (compile_file): Compile in call to
9375 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9376 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9378 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9379 Jakub Jelinek <jakub@redhat.com>
9381 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9382 IBM extended float format long double as "g" on powerpc*-linux.
9384 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9387 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9388 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9390 2006-02-03 Jason Merrill <jason@redhat.com>
9393 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9396 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9397 on the return slot if it's an NRV.
9399 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9401 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9402 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9403 rewrite_use): Do not handle USE_OUTER.
9404 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9405 add_iv_outer_candidates, may_replace_final_value,
9406 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9407 (find_interesting_uses_op): Functionality of
9408 find_interesting_uses_outer_or_nonlin moved here.
9409 (find_interesting_uses_outside): Use find_interesting_uses_op.
9411 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9414 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9416 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9417 Ulrich Weigand <uweigand@de.ibm.com>
9420 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9421 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9422 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9423 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9425 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9426 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9427 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9428 Define secondary reloads for TFmode moves.
9429 (constant_modes): Add TFmode.
9430 (NR_C_MODES): Set to 8.
9431 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9433 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9434 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9435 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9436 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9437 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9438 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9439 (FPR mode macro): Add TFmode.
9440 (DSF mode macro): New.
9441 (<de>, <dee> mode attributes): Removed.
9442 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9443 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9444 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9445 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9446 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9447 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9448 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9449 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9450 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9451 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9452 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9453 "*negabs<mode>2", "sqrt<mode>2"):
9454 Changed <de> to <xde>. R constraint replaced by <Rf>.
9455 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9457 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9458 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9459 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9461 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9462 "extenddftf2", "extendsftf2"): New expanders.
9463 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9464 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9465 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9466 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9468 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9469 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9470 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9471 __floatditf): Add a GCC_4.1.0 symbol version tag.
9472 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9475 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9478 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9479 Use targetm.binds_local_p instead of TREE_PUBLIC.
9481 2006-02-02 Roger Sayle <roger@eyesopen.com>
9483 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9484 on INTEGER_TYPEs to indicate that it denotes a character type.
9485 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9486 signed_char_type_node, unsigned_char_type_node and char_type_node.
9487 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9488 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9489 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9491 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9492 Daniel Berlin <dberlin@dberlin.org>
9494 * tree-tailcall.c (arg_needs_copy_p): New function.
9495 (eliminate_tail_call): Use arg_needs_copy_p.
9496 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9497 (add_virtual_phis): New function.
9499 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9501 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9502 #ignore instead of #scratch for %g7 .register directive.
9504 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9506 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9509 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9511 * flow.c (calculate_global_regs_live): Assert that there aren't any
9514 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9516 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9518 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9519 bsi_after_labels iterator.
9520 * tree-if-conv.c (find_phi_replacement_condition,
9521 replace_phi_with_cond_modify_expr): Likewise.
9522 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9523 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9525 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9527 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9529 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9532 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9533 array after growing it.
9535 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9538 * fold-const.c (fold_checksum_tree): Change type of buf.
9540 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9542 * reload.c (push_secondary_reload): Initialize t_icode.
9544 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9546 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9547 -msoft-float -mlong-double-128 only issue a warning, but don't
9548 swich to DFmode long double.
9550 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9552 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9553 has a constant equivalent, iterate over equivalents for arg0,
9554 calling simplify_relational_operation and if there's a result
9555 cheaper than X, apply fold_rtx and return the result.
9557 2006-02-01 Jan Hubicka <jh@suse.cz>
9559 * opts.c (no_unit_at_a_time_default): New global variable.
9560 (decode_options): Use it.
9561 * opts.h (no_unit_at_a_time_default): Declare.
9563 2006-02-01 Paul Brook <paul@codesourcery.com>
9565 * function.c (assign_parm_setup_reg): Use function argument promotion
9567 * expr.c (expand_expr_real_1): Use function argument promotion rules
9570 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9572 * gcc.c (process_command): Change j to 'unsigned int'.
9574 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9577 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9578 Use the corrected index for the character
9579 out of the string constant.
9581 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9583 * mode-switching.c (optimize_mode_switching): Fix size
9584 allocated for bb_info[n_entities].
9586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9588 * gcc.c (main): Correct type that is allocated for
9589 explicit_link_files.
9591 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9593 * config/s390/s390.c (init_alignment_context): Set
9594 ALIAS_SET_MEMORY_BARRIER on the MEM.
9595 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9597 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9600 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9602 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9605 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9607 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9608 * regrename.c: Ditto.
9609 * tree-ssa-loop-im.c: Ditto.
9610 * tree-dump.c: Ditto.
9611 * tree-complex.c: Ditto.
9612 * genrecog.c: Ditto.
9613 * tree-ssa-threadupdate.c: Ditto.
9615 * java/class.c: Ditto.
9616 * java/jcf-parse.c: Ditto.
9617 * java/resource.c: Ditto.
9618 * java/except.c: Ditto.
9619 * java/jvspec.c: Ditto.
9620 * java/jcf-write.c: Ditto.
9621 * java/jcf-path.c: Ditto.
9622 * java/gjavah.c: Ditto.
9623 * java/zextract.c: Ditto.
9624 * java/jcf-io.c: Ditto.
9625 * java/jcf.h: Ditto.
9626 * java/buffer.c: Ditto.
9627 * java/lang.c: Ditto.
9628 * java/parse-scan.y: Ditto.
9629 * java/lex.c: Ditto.
9630 * java/lex.h: Ditto.
9631 * cfgloopmanip.c: Ditto.
9632 * postreload-gcse.c: Ditto.
9633 * tree-ssa-loop-manip.c: Ditto.
9634 * postreload.c: Ditto.
9635 * tree-ssa-loop-ch.c: Ditto.
9639 * diagnostic.c: Ditto.
9641 * genoutput.c: Ditto.
9643 * cfghooks.c: Ditto.
9644 * cfgloopanal.c: Ditto.
9645 * objc/objc-act.c: Ditto.
9647 * genextract.c: Ditto.
9648 * genautomata.c: Ditto.
9649 * pretty-print.c: Ditto.
9651 * cgraphunit.c: Ditto.
9654 * haifa-sched.c: Ditto.
9655 * dominance.c: Ditto.
9657 * tree-ssa-loop-ivopts.c: Ditto.
9659 * mode-switching.c: Ditto.
9660 * modulo-sched.c: Ditto.
9662 * ipa-pure-const.c: Ditto.
9664 * fix-header.c: Ditto.
9666 * tree-stdarg.c: Ditto.
9667 * ipa-utils.c: Ditto.
9668 * loop-init.c: Ditto.
9669 * ipa-inline.c: Ditto.
9672 * alloc-pool.c: Ditto.
9673 * dwarf2out.c: Ditto.
9675 * genattrtab.c: Ditto.
9676 * tree-ssa-loop-ivcanon.c: Ditto.
9680 * fortran/gfortranspec.c: Ditto.
9682 * local-alloc.c: Ditto.
9683 * langhooks.c: Ditto.
9684 * function.c: Ditto.
9685 * tree-vectorizer.c: Ditto.
9687 * ipa-type-escape.c: Ditto.
9689 * tree-if-conv.c: Ditto.
9692 * tree-data-ref.c: Ditto.
9693 * loop-unroll.c: Ditto.
9694 * treelang/treetree.c: Ditto.
9697 * ggc-common.c: Ditto.
9699 * coverage.c: Ditto.
9701 * tree-cfgcleanup.c: Ditto.
9702 * tree-ssa-pre.c: Ditto.
9703 * cfgcleanup.c: Ditto.
9704 * loop-invariant.c: Ditto.
9706 * ipa-prop.c: Ditto.
9707 * print-tree.c: Ditto.
9708 * conflict.c: Ditto.
9709 * ggc-page.c: Ditto.
9710 * sched-deps.c: Ditto.
9711 * regclass.c: Ditto.
9712 * tree-object-size.c: Ditto.
9714 * bb-reorder.c: Ditto.
9715 * resource.c: Ditto.
9716 * var-tracking.c: Ditto.
9718 * df-problems.c: Ditto.
9719 * reg-stack.c: Ditto.
9722 * sched-rgn.c: Ditto.
9723 * tree-ssa-structalias.c: Ditto.
9724 * tree-ssa-reassoc.c: Ditto.
9725 * config/darwin-c.c: Ditto.
9726 * config/darwin.c: Ditto.
9727 * config/arm/arm.c: Ditto.
9729 * collect2.c: Ditto.
9732 2006-01-31 Nicolas Pitre <nico@cam.org>
9734 * arm.md (smaxsi3): Make aware of smax_m1.
9737 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9739 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9741 2006-01-31 Richard Guenther <rguenther@suse.de>
9743 * doc/invoke.texi (-msselibm): Document.
9744 * target.h (expand_library_builtin): New target hook.
9745 * builtins.c (expand_builtin): Use expand_library_builtin.
9746 (default_expand_library_builtin): New function.
9747 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9748 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9749 (link_gcc_math_spec): Declare.
9750 (static_specs): Add link_gcc_math_spec.
9751 * expr.h (default_expand_library_builtin): Declare.
9752 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9753 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9754 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9755 * config/i386/i386.opt (msselibm): New target option.
9756 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9757 (ix86_init_sse_abi_builtins): New function.
9758 (ix86_expand_library_builtin): Likewise.
9759 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9760 (override_options): Handle error conditions wrt -msselibm.
9761 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9762 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9763 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9766 2006-01-31 Richard Guenther <rguenther@suse.de>
9767 Paolo Bonzini <bonzini@gnu.org>
9769 * doc/install.texi (--disable-libgcc-math): Document.
9771 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9773 * expr.h (expand_normal): new inline function.
9774 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9776 * dwarf2out.c: use it.
9781 * config/sparc/sparc.c: use it.
9782 * config/i386/i386.c: use it.
9783 * config/rs6000/rs6000.c: use it.
9784 * config/arm/arm.c: use it.
9785 * config/mips/mips.c: use it.
9786 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9788 2006-01-30 Roger Sayle <roger@eyesopen.com>
9790 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9791 argv to the appropriate type.
9793 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9795 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9798 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9801 * config/s390/s390.c (struct machine_function): New flag
9802 decomposed_literal_pool_addresses_ok_p.
9803 (s390_reorg): Set it before final stage of literal pool transforms.
9804 (s390_decompose_address): Only accept displacements of the form
9805 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9807 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9809 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9810 the comparison routine return.
9812 2006-01-30 Michael Matz <matz@suse.de>
9814 * global.c (find_reg): Only evict for global regs.
9815 Take n_refs into account and dump more info.
9817 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9820 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9821 (pragma_trap, pragma_nosave_low_regs): Likewise.
9822 (current_function_anonymous_args): Likewise.
9823 (sh_deferred_function_attributes): New variable.
9824 (sh_deferred_function_attributes_tail): Likewise.
9825 (print_operand): For '@', look up trap_exit attribute.
9826 (calc_live_regs): Look up trapa_handler attribute. For trapa
9827 handlers, save/restore fpscr, but don't do any other
9828 interrupt-specific saves.
9829 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9830 Fix check for partially saved registers to check for SHmedia.
9831 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9832 (sh_output_function_epilogue): Don't clear any of the removed
9834 (sh_insert_attributes): Don't check pragma_interrupt.
9835 Insert deferred attributes. Check that interrupt attribute is
9836 present for other attributes that require its presence.
9837 (sh_attribute_table): Add new attributes trapa_handler and
9839 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9840 Don't check for pragma_interrupt. Don't store argument.
9841 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9842 (sh_deferred_function_attributes): Declare.
9843 (sh_deferred_function_attributes_tail): Likewise.
9844 * sh.md (sp_switch_1): Add operand. Change generator caller.
9845 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9846 (*return_i): Don't use when trap_exit attribute is in effect.
9847 (*return_trapa): New insn pattern.
9849 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9850 setting c_target_objs and cxx_target_objs.
9851 * t-sh: Add rule for sh-c.o.
9853 2006-01-30 Richard Guenther <rguenther@suse.de>
9856 * gimplify.c (gimplify_target_expr): Handle easy cases
9857 without creating a temporary.
9859 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9861 * vec.h (safe_grow): Remove duplicated line.
9863 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9866 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9867 (expand_omp): ... here.
9868 (expand_omp_parallel): Only remove barriers for combined
9869 parallel+workshare constructs.
9871 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9875 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9876 * tree.c (build_qualified_type): Chain the new type to the original
9877 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9878 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9879 (build_pointer_type_for_mode): Only return unqualified types.
9880 (build_reference_type_for_mode): Likewise.
9882 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9884 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9885 * Makefile.in (CXX_COMPAT_WARN): Define.
9886 * configure: Regenerate.
9888 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9891 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9894 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9896 * toplev.c: Fix thinko.
9898 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9899 Marcin Dalecki <martin@dalecki.de>
9901 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9902 (push_srcloc): Use XNEW.
9903 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9905 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9907 * df-core.c (df_set_blocks): Deleted all variable.
9909 2006-01-28 Ian Lance Taylor <ian@airs.com>
9911 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9912 cgraph_output_pending_asms.
9914 2006-01-28 Zack Weinberg <zackw@panix.com>
9916 * c.opt: Add -W(no-)overlength-strings.
9917 * doc/invoke.texi: Document it.
9918 * c-opts.c (c_common_handle_option): -pedantic implies
9919 -Woverlength-strings, if not explicitly disabled already.
9920 (c_common_post_options): -Woverlength-strings defaults to off, and
9921 is always off for C++.
9922 * c-common.c (fix_string_type): Issue warning about strings longer
9923 than is portable only if warn_overlength_strings. Rearrange code
9924 a little for clarity.
9925 * configure.in: Check for -Wno-overlength-strings as well before
9926 enabling -pedantic in stage 1.
9927 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9928 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9930 * genconditions.c (write_header, write_one_condition)
9931 (write_conditions, write_writer): Consolidate very long strings
9932 that were broken up to fit in C89 portable limit. Don't use
9933 printf when fputs will do.
9935 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9937 * combine.c (simplify_comparison <AND>): Check
9938 TRULY_NOOP_TRUNCATION before start using a subreg.
9940 * config/mips/mips.md (*branch_zero<mode>,
9941 *branch_zero<mode>_inverted, *branch_equality<mode>,
9942 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9943 Remove mode check from comparisons.
9945 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9947 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9949 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9951 * expmed.c (const_mult_add_overflow_p): Remove.
9952 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9954 * recog.c (validate_replace_rtx_subexp): Remove.
9955 * recog.h: Remove the prototype for
9956 validate_replace_rtx_subexp.
9958 * integrate.h: Remove the prototype for
9959 copy_decl_for_inlining.
9960 * rtl.h: Remove the prototype for mark_constant_function.
9961 * tree-vectorizer.h: Remove the prototype for
9962 vect_strip_conversion.
9964 * modulo-sched.c (create_partial_schedule,
9965 free_partial_schedule, reset_partial_schedule): Make them
9968 * hooks.c (hook_bool_rtx_int_false): Remove.
9969 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9971 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9973 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9974 and -mlong-double-128 are incompatible.
9975 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9976 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9977 (TARGET_LIBGCC2_CFLAGS): Define.
9978 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9979 (TARGET_LIBGCC2_CFLAGS): Same.
9980 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9982 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9985 * c-typeck.c (build_binary_op): Perform implicit casts of
9986 operands before shortening them.
9988 * cfgloopmanip.c (split_loop_bb): Remove.
9989 * cfgloop.h: Remove the prototype for split_loop_bb.
9991 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9992 * cfgloop.h: Remove the prototype for
9993 flow_loop_outside_edge_p.
9995 * emit-rtl.c (init_virtual_regs): Make it static.
9996 * function.h: Remove the prototype for init_virtual_regs.
9998 * recog.c (peephole2_optimize): Make it static.
9999 * recog.h: Remove the prototype for peephole2_optimize.
10001 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10003 * df-scan.c (df_record_entry_block_defs): Check if
10004 INCOMING_RETURN_ADDR_RTX is defined.
10006 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10007 Kenneth Zadeck <zadeck@naturalbridge.com>
10009 PR rtl-optimization/24762
10010 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10011 * targhooks.c (hook_void_bitmap): New hook prototype.
10012 * targhoohs.h (hook_void_bitmap): Ditto.
10013 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10014 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10015 * target.h (live_on_entry): New function pointer.
10016 * df-scan.c (df_all_hard_regs): Removed.
10017 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10018 (df_scan_free_internal): Added df->entry_block_defs.
10019 (df_scan_alloc): Ditto.
10020 (df_scan_dump): Ditto.
10021 (df_uses_record): Plumbed flag field properly thru calls.
10022 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10023 This part fixes PR24762.
10024 (df_bb_refs_record): Added code to make the frame and arg
10025 pointers live in EH blocks.
10026 (df_refs_record): Added call to df_record_entry_block_defs.
10027 (df_record_entry_block_defs): New function.
10028 * df-core.c: Added comments to describe new artifical defs.
10029 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10030 (entry_block_defs): New field in struct df.
10031 (df_all_hard_regs): Deleted.
10032 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10033 * df-problems.c (df_ru_bb_local_compute_process_def):
10034 Added code to handle artifical defs in the entry to a function.
10035 (df_ru_bb_local_compute): Ditto.
10036 (df_rd_bb_local_compute_process_def): Ditto.
10037 (df_rd_bb_local_compute): Ditto.
10038 (df_lr_bb_local_compute): Ditto.
10039 (df_ur_bb_local_compute): Ditto.
10040 (df_urec_bb_local_compute): Ditto.
10041 (df_chain_create_bb): Ditto.
10042 (df_ur_local_finalize): Removed entry.
10043 (df_urec_init): Ditto.
10044 (df_urec_local_finalize): Ditto.
10045 (df_ri_bb_compute): Added detection of last use of pseudos.
10046 * Makefile.in (df-scan.o): Updated dependencies.
10047 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10048 * config/mips/mips.c (mips_set_live_on_entry): Added.
10049 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10051 * dce.c (marked_insn_p): Added code to handle artifical defs.
10053 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10055 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10057 (_mm_cvtsi128_si64): Likewise.
10058 (_mm_cvtsd_si64): Likewise.
10059 (_mm_cvttsd_si64): Likewise.
10060 (_mm_cvtsi64_sd): Likewise.
10061 (_mm_cvtsi64_si128): Likewise.
10062 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10063 (_mm_cvtsi64_m64): Likewise.
10064 (_m_to_int64): Likewise.
10065 (_mm_cvtm64_si64): Likewise.
10066 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10067 (_mm_cvttss_si64): Likewise.
10068 (_mm_cvtsi64_ss): Likewise.
10069 (_mm_cvtss_f32): Likewise.
10071 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10073 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10074 for pragma redefine_extname.
10076 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10079 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10080 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10081 -mno-minimal-toc to previous content.
10082 (bispecs): Remove goal.
10083 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10084 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10085 compatibility aliases on powerpc-*-*gnu*.
10086 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10087 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10088 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10089 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10090 (ldblspecs): New goal.
10091 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10092 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10094 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10095 L_sf_to_tf or L_df_to_tf is defined.
10097 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10098 Alan Modra <amodra@bigpond.net.au>
10101 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10102 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10103 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10104 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10105 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10106 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10107 (rs6000_override_options): Initialize rs6000_ieeequad.
10108 Initialize TFmode format to ibm_extended_format if not
10110 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10112 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10113 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10114 (function_arg_advance): IBM long double passed in two FPRs, not
10116 (function_arg): IBM long double passed in FPRs.
10117 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10118 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10119 Only multireg GPR aligned.
10120 (rs6000_init_libfuncs): Enable IBM long double functions if not
10122 (rs6000_generate_compare): Use IBM long double compare if not
10124 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10125 (TARGET_IEEEQUAD): Define.
10126 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10127 not TARGET_IEEEQUAD.
10128 * config/rs6000/rs6000.md: Enable TFmode patterns if
10130 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10131 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10132 and -mlong-double-128 are incompatible.
10133 * doc/invoke.texi (-mabi): Collect options together. Add
10134 ibmlongdouble and ieeelongdouble.
10136 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10138 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10140 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10141 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10142 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10143 * rtl.h (rtunion_def): Remove rt_ptr.
10145 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10146 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10147 * config/i386/winnt.c (i386_pe_mark_dllexport)
10148 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10150 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10152 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10154 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10158 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10159 pthread_key_delete. From John David Anglin. gthrw-ify
10160 pthread_getunique_np only if it it's not a macro. Delete
10162 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10163 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10164 __gthread_objc_condition_signal, __gthread_key_delete): Add
10165 "__attribute__ ((__unused__))" to unused arguments.
10166 (__gthread_recursive_mutex_init_function): Add missing return.
10167 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10168 gthr-posix95.h: Use macro-based approach for name redirection
10169 on targets missing weakref.
10171 2006-01-26 Zack Weinberg <zackw@panix.com>
10173 * genconditions.c (write_header): In generated code, #ifdef out
10174 all includes and fake declarations, except includes of bconfig.h
10175 and system.h, unless GCC_VERSION >= 3001. Do not include
10176 gensupport.h in any case.
10177 (write_conditions): Generate a definition of struct c_test. Add
10178 a comment to the generated #endif.
10179 (write_one_condition): Escape backslashes in string too.
10180 (write_writer): Generated code must escape backslashes and quote
10181 marks (but not newlines) in the strings it writes.
10182 * Makefile.in (build/gencondmd.o): Update dependencies.
10184 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10187 * Makefile.in (insn-automata.o): Add header file dependencies.
10188 * genautomata.c: Add includes.
10190 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10193 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10195 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10197 * configure.ac: Expect target tools paths to be passed from the toplevel
10198 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10200 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10202 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10205 * c.opt (Wpointer-sign): Init to -1.
10206 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10207 OPT_pedantic, to 0 otherwise.
10208 * doc/invoke.texi: Update.
10210 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10212 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10213 constants provided by 80387 instructions in the destination mode.
10215 2006-01-26 Richard Guenther <rguenther@suse.de>
10216 Andrew Pinski <pinskia@physics.uc.edu>
10219 partial PR tree-opt/17064
10220 * tree-ssa-structalias.c (intra_create_variable_infos):
10221 Create heap variables for incoming parameters if
10222 flag_argument_noalias > 1.
10223 (find_what_p_points_to): Look through default defs of
10226 2006-01-26 Jeff Law <law@redhat.com>
10229 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10230 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10231 within the VR_RANGE, use the VR_RANGE as the result, not the
10233 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10234 bounds for the type.
10236 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10238 * tree-ssa-alias.c (maybe_create_global_var): Change
10239 subvar walking to an assertion that we don't have subvar'd variables.
10241 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10244 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10245 Use a new variable, inner. PARM_DECLs are always non-weak.
10247 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10249 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10250 --disable-checking.
10252 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10254 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10256 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10258 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10259 (smax_insn, smin_insn, smax_0, smin_0): New.
10261 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10264 * config/cris/cris.c (cris_order_for_addsi3): New function.
10265 * config/cris/cris-protos.h: Prototype it.
10266 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10267 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10268 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10269 (split for "op.S1 [rx=rx+i],ry (swapped)")
10270 (split for "op(s|u).S1 [rx=rx+i],ry")
10271 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10272 Apply cris_order_for_addsi3 when generating addsi3 insns.
10274 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10276 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10277 (TREE_BLOCK): Add call to EXPR_CHECK.
10279 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10282 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10283 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10284 (dump_omp_clauses): ... here.
10285 (dump_generic_node): Handle OMP_CLAUSE.
10286 * tree.c (omp_clause_num_ops): New.
10287 (omp_clause_code_name): New.
10288 (tree_code_size): Handle OMP_CLAUSE.
10289 (tree_size): Likewise.
10290 (make_node): Document handling of OMP_CLAUSE.
10291 (tree_node_structure): Handle OMP_CLAUSE.
10292 (omp_clause_check_failed): New.
10293 (omp_clause_range_check_failed): New.
10294 (omp_clause_operand_check_failed): New.
10295 (build_omp_clause): New.
10296 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10297 * tree.h (enum omp_clause_code): Declare.
10298 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10299 (OMP_CLAUSE_RANGE_CHECK): Define.
10300 (OMP_CLAUSE_ELT_CHECK): Define.
10301 (omp_clause_check_failed): Declare.
10302 (omp_clause_operand_check_failed): Declare.
10303 (omp_clause_range_check_failed): Declare.
10304 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10305 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10306 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10307 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10308 (OMP_CLAUSE_IF_EXPR): Likewise.
10309 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10310 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10311 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10312 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10313 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10314 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10315 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10316 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10317 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10318 (OMP_CLAUSE_CODE): Define.
10319 (OMP_CLAUSE_SET_CODE): Define.
10320 (OMP_CLAUSE_CODE): Define.
10321 (OMP_CLAUSE_OPERAND): Define.
10322 (struct tree_omp_clause): Declare.
10323 (union tree_node): Add field 'omp_clause'.
10324 * treestruct.def (TS_OMP_CLAUSE): Define.
10325 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10326 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10327 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10328 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10329 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10330 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10331 (OMP_CLAUSE): Define.
10332 * print-tree.c (print_node): Handle OMP_CLAUSE.
10333 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10334 * c-typeck.c: Likewise.
10335 * gimplify.c: Likewise.
10336 * c-omp.c: Likewise.
10337 * tree-nested.c: Likewise.
10338 * tree-inline.c: Likewise.
10339 * c-parser.c: Likewise.
10340 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10343 2006-01-25 Roger Sayle <roger@eyesopen.com>
10345 PR rtl-optimization/25703
10346 * combine.c (try_combine): Handle zero_extract and strict_low_part
10347 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10349 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10351 * global.c: Fix comment typos.
10353 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10356 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10357 Use output_addr_const instead of assemble_name.
10359 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10361 * Makefile.in (sched-vis.o): Update dependencies.
10362 * haifa-sched.c (sched_finish): Clear current_sched_info.
10363 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10364 (dump_flow_info): Call it.
10365 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10367 * basic-block.h (dump_bb_info): Declare.
10368 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10369 option, and apply options only for dump files whose TDF_RTL,
10370 TDF_TREE, or TDF_IPA bits match.
10371 * rtl.h: Declare new functions exported from sched-vis.c.
10372 * sched-vis.c: Enable also if scheduling is not used.
10373 (print_value): Print the mode of registers if not inside scheduling.
10374 (print_insn): Make it work outside the scheduler. Beautify the output
10376 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10378 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10380 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10381 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10382 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10383 depending on the value of CONSTANT_POOL_ADDRESS_P.
10384 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10386 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10387 rather than SYMBOL_REF_DECL.
10388 (rtx_constant_pool): Remove const_rtx_sym_htab.
10389 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10390 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10391 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10392 Remove handling of const_rtx_sym_htab.
10393 (find_pool_constant): Delete.
10394 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10395 rather than find_pool_constant.
10396 (get_pool_constant_for_function): Delete.
10397 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10398 find_pool_constant.
10399 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10400 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10401 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10402 (SYMBOL_REF_CONSTANT): New macro.
10403 (get_pool_constant_for_function): Delete.
10404 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10405 rather than SYMBOL_REF_DECL.
10406 (i386_pe_mark_dllimport): Likewise.
10407 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10408 rather than SYMBOL_REF_DECL.
10409 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10410 (machopic_indirect_call_target): Likewise.
10412 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10414 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10416 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10418 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10420 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10422 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10424 2006-01-24 David Daney <ddaney@avtrex.com>
10427 * configure.ac (enable_tls): New enable option.
10428 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10429 * configure: Regenerate.
10430 * doc/install.texi (--enable-tls): Document new option.
10431 (--disable-tls): Ditto.
10433 2006-01-24 Richard Henderson <rth@redehat.com>
10435 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10436 * alias.c (true_dependence): Respect it.
10437 (canon_true_dependence, write_dependence_p): Likewise.
10438 * builtins.c (get_builtin_sync_mem): Set it.
10440 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10442 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10445 2006-01-24 DJ Delorie <dj@redhat.com>
10447 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10448 for storing constants in single-bit bitfields.
10450 2006-01-25 Ben Elliston <bje@au.ibm.com>
10452 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10454 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10457 * tree-ssa-pre.c (phi_translate): Return NULL
10458 for AGGREGATE_TYPE's.
10460 2006-01-24 Zack Weinberg <zackw@panix.com>
10462 * genautomata.c (process_state_for_insn_equiv_partition):
10463 Use xcalloc for insn_arcs_array.
10464 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10465 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10467 2006-01-24 Richard Henderson <rth@redhat.com>
10469 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10470 update all callers.
10472 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10474 PR rtl-optimization/25890
10475 PR rtl-optimization/25905
10476 * combine.c (expand_compound_operation, expand_field_assignment):
10477 Fail if the bitfield's final position is out of bounds.
10479 2006-01-24 Ian Lance Taylor <ian@airs.com>
10481 PR middle-end/25930
10482 * cgraphunit.c (cgraph_output_in_order): Don't clear
10483 cgraph_asm_nodes until after asm strings have been output.
10485 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10487 * fix-header.c (read_scan_file): Add new parameter imultilib when
10488 calling register_include_chains.
10490 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10492 * omp-low.c: Update documentation.
10494 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10495 Daniel Berlin <dberlin@dberlin.org>
10499 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10500 return from the function.
10502 2006-01-22 Zack Weinberg <zackw@panix.com>
10504 * rtl.def (match_code): Add second argument.
10505 * genpreds.c (write_extract_subexp): New function.
10506 (write_match_code): Add path argument. Use write_extract_subexp.
10507 (write_predicate_expr): Pass path to write_match_code.
10508 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10509 not perform a mode test.
10510 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10511 a subexpression does not constrain the top-level code set.
10512 * read-rtl.c (read_rtx_variadic): New function.
10513 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10514 * doc/md.texi: Document new notation.
10515 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10516 (cmpsi_operand): ... here, using new notation.
10518 2006-01-22 Zack Weinberg <zackw@panix.com>
10520 * varray.c: Remove GENERATOR_FILE #ifdefs.
10522 2006-01-22 Zack Weinberg <zackw@panix.com>
10524 * genautomata.c (output_reserved_units_table): Emit nothing if
10525 description->query_units_num is zero. Remove extra blank line.
10526 (output_cpu_unit_reservation_p): Short circuit
10527 if description->query_units_num is zero.
10529 2006-01-22 Zack Weinberg <zackw@panix.com>
10531 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10532 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10533 nor any of the random handful of variables that used to be necessary
10534 when this program was linked with rtlanal.o. Prune set of forward
10535 function declarations.
10536 (struct attr_desc): Remove static_p field.
10537 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10538 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10539 (attr_string): Do not read the character one past the length of
10541 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10542 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10543 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10544 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10545 (make_automaton_attrs): New.
10546 (main): Do not call into genautomata. Call local gen_bypass
10547 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10548 Remove special case for insn_alts.
10549 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10550 varray.h (leftover from previous change). Prune set of forward
10551 function declarations. Remove state_alts fields from all
10552 structures. Remove state_alts_table from struct automaton.
10553 Make everything except main static. Do not maintain num_dfa_decls.
10554 Do not maintain state_alts fields of various structures.
10555 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10556 (add_arc): Remove state_alts argument. All callers updated.
10557 (output_reserved_units_table): Emit #ifdef here...
10558 (output_tables): ...not here. Don't generate state_alts tables.
10559 (expand_automata): Don't generate attributes.
10560 (write_automata): Don't generate state_alts functions.
10561 (main): New function.
10562 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10563 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10564 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10565 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10566 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10567 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10568 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10569 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10571 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10572 * genattrtab.h: Delete file.
10573 * Makefile.in (OBJS-common): Add insn-automata.o.
10574 (insn-automata.o): New rule.
10575 (simple_generated_c): Add insn-automata.c.
10576 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10577 (genprogmd): Add automata.
10578 (build/genattrtab): Needs no extra objects nor libraries.
10579 (build/genautomata): Needs build/vec.o and -lm.
10581 2006-01-22 Zack Weinberg <zackw@panix.com>
10583 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10584 (output_dfa_max_issue_rate, locked_states_num): Delete.
10585 (struct automaton): Add locked_states field.
10586 (output_dead_lock_vect): Save number of locked states in
10587 automaton->locked_states. If it is zero, don't print anything.
10588 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10589 (output_internal_dead_lock_func): Only test the dead_lock_vect
10590 for automata that have locked states.
10591 (output_statistics): Always print the number of locked states for
10592 each automaton. Calculate total number of locked states here.
10593 (write_automata): Don't call output_dfa_max_issue_rate.
10594 * genattrtab.c: Define length_unit_log as a const variable.
10595 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10596 max_insn_queue_index const.
10597 * final.c (length_unit_log): Declare const.
10598 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10600 2006-01-22 Zack Weinberg <zackw@panix.com>
10602 * genautomata.c: Include vec.h, not varray.h.
10603 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10604 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10605 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10606 VEC_* macros operating on appropriately typed vectors, or to
10607 malloced arrays when the size is known in advance. Const-ify
10608 many char* variables and function arguments. No functional changes.
10609 * Makefile.in (build/varray.o): Delete rule.
10610 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10611 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10613 2006-01-22 Zack Weinberg <zackw@panix.com>
10615 * gensupport.c: Define get_insn_name and record_insn_name here.
10616 (read_md_rtx): Call record_insn_name as appropriate.
10617 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10618 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10619 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10621 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10622 (BUILD_VARRAY): Delete.
10623 (genprognormal): Rename genprogmd. Fold in all programs from
10624 genprognoprint; also attrtab.
10625 (build/genattrtab): Just mention genautomata.o and varray.o.
10626 Reorganize a bit, add comments to make the categories clearer.
10628 2006-01-22 Zack Weinberg <zackw@panix.com>
10630 * genconditions.c (condition_table, add_condition): Delete.
10631 (write_conditions): Don't emit n_insn_conditions nor
10632 insn_elision_unavailable. Issue the gcc version #ifdef here,
10633 inside the table, with no #else clause ...
10634 (write_header): ...not here.
10635 (write_writer): New function.
10636 (main): Don't initialize condition_table. Use add_c_test.
10638 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10639 files on the command line.
10640 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10641 Return -1 if there is no entry in the table, don't abort.
10642 (add_c_test, traverse_c_tests): New functions.
10643 * gensupport.h (insn_elision_unavailable, insn_conditions)
10644 (n_insn_conditions): Delete declarations.
10645 (add_c_test, traverse_c_tests): Declare.
10646 * read-rtl.c: Include gensupport.h.
10647 (read_conditions): New function.
10648 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10649 (read_rtx_1): If we get EOF when we were looking for an initial
10650 open paren, return 0. Call read_conditions when appropriate.
10651 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10652 dummy-conditions.o. Eliminate references to insn-conditions.o,
10653 or change them to build/gencondmd.o, as appropriate. Remove
10654 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10655 from $(simple_generated_c). For all files remaining in those
10656 two lists, add insn-conditions.md to the generator command line.
10657 Give insn-constants.h/s-constants their own rules. Add rules
10658 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10659 (build/read-rtl.o): Depend on gensupport.h.
10660 (genprognormal): Include preds.
10661 (genprogearly): Rename genprognoprint; only difference is now that
10662 they don't link with $(BUILD_PRINT).
10663 * dummy-conditions.c: Delete.
10665 2006-01-22 Zack Weinberg <zackw@panix.com>
10667 * genextract.c: Don't include insn-config.h. Do include vec.h.
10668 Declare vectors of int, char, and locstr.
10669 (locstr): New typedef.
10670 (struct extraction): Make all array fields into bare pointers.
10671 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10672 (insn_code_number): Delete.
10673 (accum_extract): New struct.
10674 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10675 (gen_insn): Take insn_code_number as an argument. Use an
10676 accum_extract structure instead of loading data directly into
10677 a struct extraction, and having to know how big it might get.
10678 (walk_rtx): Operate entirely on an accum_extract structure.
10679 (print_path): Avoid unnecessary use of printf.
10680 (print_header): New function, split out of main. Distinguish
10681 more carefully between an unrecognizable insn and an insn that
10682 has the code number of a define_expand.
10683 (main): Pass insn_code_number to gen_insn. Call print_header
10684 only after parsing. Avoid unnecessary use of printf.
10685 * Makefile.in (build/vec.o): New rule.
10686 (build/genextract): Depend on build/vec.o.
10687 (build/genextract.o): Don't depend on insn-config.h.
10689 2006-01-22 Zack Weinberg <zackw@panix.com>
10691 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10692 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10693 practical. Eliminate per-generator-program link rules.
10695 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10697 PR middle-end/24437
10698 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10699 with a call expr to ...
10700 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10702 2006-01-23 Richard Guenther <rguenther@suse.de>
10704 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10705 before make_edge with conditional EDGE_TRUE_VALUE.
10707 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10708 Jan Hubicka <jh@suse.cz>
10709 Richard Guenther <rguenther@suse.de>
10711 PR rtl-optimization/25654
10712 * cfgexpand.c (aggregate_contains_union_type): New function.
10713 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10714 for structure variables that contain a union type.
10716 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10718 * gengtype.c (new_structure): Return the structure.
10719 (create_option): Add an extra "next" argument.
10720 (create_field): New function.
10721 (adjust_field_rtx_def): Use create_option and create_field.
10722 Remove a now-unnecessary call to find_structure.
10723 (adjust_field_tree_def): Likewise.
10724 (note_yacc_type): Remove an unnecessary call to find_structure.
10725 * gengtype.h (new_structure): Return the structure.
10726 (create_option): Add an extra argument.
10727 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10728 (option): Adjust calls to create_option.
10730 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10732 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10734 2006-01-22 Paul Brook <paul@codesourcery.com>
10735 Peter Barada <peter@the-baradas.com>
10737 * config/m68k/m68k.md: Add Coldfire FPU support.
10738 Define FP mode macro and associated attributes.
10739 Use it for float mode patterns.
10740 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10741 (LIBCALL_VALUE): Use m68k_libcall_value.
10742 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10743 (m68k_function_value): Ditto.
10744 (emit_move_sequence): Ditto.
10745 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10746 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10747 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10748 (MULTILIB_EXCEPTIONS): Ditto.
10749 * config/m68k/m68k.opt: Add mcfv4e.
10750 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10751 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10752 (m68k_output_function_prologue): Save ColdFire FPU registers.
10753 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10754 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10755 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10756 ColdFire FPU registers.
10757 (m68k_libcall_value, m68k_function_value): New functions.
10758 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10759 (LIBCALL_VALUE): Use m68k_libcall_value.
10760 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10761 (MASK_COLDFIRE): Add MASK_CFV4E.
10762 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10763 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10764 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10765 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10766 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10767 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10768 * doc/invoke.tex: Document -mcfv4e on m68k.
10770 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10772 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10775 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10778 * c-opts.c (c_common_handle_option): Don't include
10779 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10780 * doc/invoke.texi (C++ Dialect Options): Document that
10781 -Wnon-virtual-dtor is no longer included in -Wall.
10783 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10785 * gcov.c (print_version), gcov-dump.c (print_version),
10786 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10789 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10791 * df-scan.c (problem_SCAN): Added NULL reset function.
10792 (df_scan_reset_blocks): Added code to call reset block function
10793 (df_bb_refs_delete) Fixed comment.
10794 (df_insn_refs_delete): Made tolerant of deleting non existent info
10795 for dataflow problems that need to be reset.
10796 * df-core.c (df_set_blocks): Ditto.
10797 * df.h (struct df_problem): Added reset_fun.
10798 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10799 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10800 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10801 functions to clear out all references to def-use or use-def chains.
10803 2006-01-21 Ben Elliston <bje@au.ibm.com>
10805 * varasm.c (assemble_real): Initialise data array.
10807 2006-01-20 Paul Brook <paul@codesourcery.com>
10809 Merge from csl-arm-branch.
10810 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10811 * config/arm/arm.md (movdi): Force operands[1] to a register
10812 if we have a non-register source.
10813 (*arm_movdi, *movdf_soft_insn): Require that one of the
10814 operands be a register.
10815 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10816 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10818 2006-01-20 DJ Delorie <dj@redhat.com>
10820 * varasm.c (initializer_constant_valid_p): Allow pointers
10821 initialized from integer constants of lesser precision.
10822 (output_constant): Allow non-int-sized pointer modes to be
10823 initialized from integer constants.
10825 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10828 * cppdefault.h (struct default_include): Add multilib flag.
10829 * cppdefault.c (cpp_include_defaults): Set it.
10830 * c.opt (-imultilib): New option.
10831 * c-opts.c (imultilib): New.
10832 (c_common_handle_option): Handle -imultilib.
10833 (c_common_post_options): Likewise.
10834 * c-incpath.c (add_standard_paths, register_include_chains):
10836 * c-incpath.h (register_include_chains): Add extra parameter.
10837 * gcc.c (do_spec_1): Generate -imultilib option.
10838 (The Specs Language): Update %I description.
10839 (process_command): Update copyright notice.
10840 * doc/cppopts.texi (-imultilib): Document.
10841 * doc/invoke.texi (-imultilib): Include in option summary.
10842 (%I): Update specs documentation.
10844 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10846 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10848 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10850 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10853 2006-01-20 Richard Guenther <rguenther@suse.de>
10854 Steven Bosscher <stevenb.gcc@gmail.com>
10856 PR rtl-optimization/24626
10857 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10858 EDGE_TRUE_VALUE if in RTL mode.
10861 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10862 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10864 2006-01-20 Dirk Mueller <dmueller@suse.com>
10867 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10868 instead of a special NOP marker.
10869 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10870 NOP marker handling.
10871 * c-common.h (empty_body_warning): Add forward declaration.
10872 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10873 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10875 2006-01-20 Paul Brook <paul@codesourcery.com>
10877 * Makefile.in (lang_checks): Keep going if mkdir fails.
10879 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10881 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10882 be able to clean out basic block when not necessary.
10883 (df_scan_free): Fixed to properly delete information if df is
10884 unused before calling df_finish.
10885 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10886 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10888 (df_bb_refs_delete): New function.
10889 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10890 * df-core.c (df_set_blocks): Added code to properly clean out
10891 unused blocks if they are not part of the blocks to consider.
10892 Added additional null check.
10893 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10894 be able to clean out basic block when not necessary
10895 * df.h (df_free_bb_function): Ditto.
10896 (df_bb_refs_delete): New function.
10897 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10898 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10899 basic block parameter to be able to clean out basic block when not
10901 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10902 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10903 Fixed to properly delete information if df is unused before
10906 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10908 PR rtl-optimization/25799
10909 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10910 Corrected confluence operator to remove bits from op2 before oring
10911 with op1 rather than removing bits from op1.
10912 (df_ru_transfer_function): Corrected test on wrong bitmap which
10913 caused infinite loop. Both of these problems were introduced in
10914 the dataflow rewrite.
10916 2006-01-19 DJ Delorie <dj@redhat.com>
10918 * reload1.c (find_reload_regs): Note the details of reload
10919 failures in the dump file.
10920 (spill_failure): Likewise.
10922 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10924 * loop-iv.c: Include df.h and hashtab.h.
10925 (enum iv_grd_result): New enum.
10926 (DF_REF_IV, DF_REF_IV_SET): New macros.
10927 (struct biv_entry): New.
10928 (df, bivs): New global variables.
10929 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10930 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10932 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10933 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10934 analyzed_for_bivness_p, record_biv): New functions.
10935 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10936 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10937 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10939 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10941 (iv_number_of_iterations): Use new interface to iv analysis.
10942 * loop-unroll.c: Do not include varray.h.
10943 (analyze_iv_to_split_insn): Use new interface to iv
10945 * loop-unswitch.c (may_unswitch_on): Ditto.
10946 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10948 (df_bb_modify): Realloc tables to the new index.
10949 (df_find_use): New function.
10950 * df.h (df_find_use): Declare.
10951 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10953 * cfgloop.h (struct rtx_iv): Remove analysed field.
10954 (iv_get_reaching_def): Removed.
10955 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10956 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10957 (loop-iv.o): Add df.h and hashtab.h dependency.
10958 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10960 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10963 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10965 (__floatundisf, __floatundidf): Likewise.
10966 * libgcc2.h (IS_IBM_EXTENDED): Define.
10968 2006-01-19 DJ Delorie <dj@redhat.com>
10970 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10972 2006-01-19 Paul Brook <paul@codesourcery.com>
10974 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10975 as nothrow when unwinding tables are disabled.
10977 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10980 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10981 of bit-field" when in system header.
10983 2006-01-19 DJ Delorie <dj@redhat.com>
10985 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10986 the 16 bit shift limit of the m16c.
10988 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10991 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10992 * config/i386/i386.c (output_set_got): Output the label if we have one
10993 for the TARGET_DEEP_BRANCH_PREDICTION case.
10995 2006-01-19 Jan Hubicka <jh@suse.cz>
10996 H.J. Lu <hongjiu.lu@intel.com>
10997 Evandro Menezes <evandro.menezes@amd.com>
10999 * invoke.texi (generic): Document
11001 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11002 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11003 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11004 (x86_use_incdec, x86_pad_returns): New variables
11005 (TARGET_CPU_DEFAULT_generic): New constant
11006 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11007 (enum processor_type): Add generic32 and generic64.
11008 * i386.md (cpu attribute): Add generic32/generic64
11009 (movhi splitter): Behave sanely when both partial_reg_dependency and
11010 partial_reg_stall are set.
11011 (K8 splitters): Enable for generic as well.
11012 * predicates.md (incdec_operand): Use TARGET_INCDEC
11013 (aligned_operand): Avoid memory mismatch stalls.
11014 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11015 * ppro.md: Enable for generic32
11016 * i386.c (generic64_cost, generic32_cost): New.
11017 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11018 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11019 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11020 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11021 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11022 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11023 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11024 x86_accumulate_outgoing_args, x86_prologue_using_move,
11025 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11026 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11027 Enable for generic.
11028 (x86_use_incdec, x86_pad_returns): New.
11029 (override_options): Add generic32 and generic64, translate "generic"
11030 to generic32/generic64 and "i686" to "generic32", refuse
11031 "generic32"/"generic64" as arch target.
11032 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11033 (ix86_reorg): Honor PAD_RETURNS.
11035 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11037 * tree-pretty-print.c (dump_generic_node): Handle
11038 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11039 * cgraph.c (cgraph_expand_queue): Rename from
11040 cgraph_analyze_queue. Update all users.
11041 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11042 cgraph_expand_queue.
11043 (cgraph_expand_all_functions): Likewise.
11044 (cgraph_finalize_pending_functions): Remove. Update callers.
11046 * tree.h (OMP_DIRECTIVE_P): Define.
11047 (OMP_PARALLEL_FN): Define.
11048 (OMP_PARALLEL_DATA_ARG): Define.
11049 (OMP_SECTIONS_SECTIONS): Define.
11050 * tree-pass.h (pass_expand_omp): Declare.
11051 * omp-low.c (struct omp_region): Declare.
11052 (struct omp_context): Remove fields 'parallel_type',
11053 'parallel_start_ix' and 'parallel_start_additional_args'.
11055 (struct omp_for_data): Rename from struct expand_omp_for_data.
11056 (omp_regions): New static variable.
11057 (root_omp_region): New static variable.
11058 (find_omp_clause): Make static.
11059 (is_in_combined_parallel_ctx): Remove.
11060 (is_combined_parallel): New.
11061 (extract_omp_for_data): Move earlier in the file.
11062 (workshare_safe_to_combine_p): New.
11063 (get_ws_args_for): New.
11064 (determine_parallel_type): Move earlier in the file.
11065 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11067 (omp_copy_decl): Likewise.
11068 (create_omp_child_function): Likewise.
11069 (lookup_omp_region): New.
11070 (dump_omp_region): New.
11071 (debug_omp_region): New.
11072 (debug_all_omp_regions): New.
11073 (new_omp_region): New.
11074 (scan_omp_parallel): If parallel_nesting_level > 1, the
11075 directive is nested within another parallel directive.
11076 Set OMP_PARALLEL_FN.
11077 (scan_omp_for): Do not try to handle combined parallel+for
11079 Remove FIXME comment.
11080 (scan_omp_nested): Remove.
11081 (scan_omp_1): Do not call scan_omp_nested when
11082 parallel_nesting_level is > 1.
11083 Do not change the DECL_CONTEXT of local variables found.
11084 (lookup_decl_in_outer_ctx): New.
11085 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11086 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11087 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11088 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11089 If CTX is nested, lookup VAR in the outer context when
11090 building copy assignment.
11091 (lower_send_clauses): Rename from expand_send_clauses.
11092 If CTX is nested, lookup VAR in the outer context when
11093 building copy assignments.
11094 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11095 If CTX is nested, lookup VAR in the outer context when
11096 building copy assignments.
11097 (expand_parallel_call): Rename from build_parallel_call.
11098 Handle combined parallel+workshare cases.
11099 Re-implement to emit code into the CFG.
11101 (expand_omp_parallel): Re-implement to emit code into the CFG.
11102 Call move_sese_region_to_fn to outline the sub-graph
11103 containing the parallel region.
11104 (expand_omp_for_1): Remove.
11105 (expand_omp_for_generic): Re-implement to emit code into the
11107 (expand_omp_for_static_nochunk): Likewise.
11108 (expand_omp_for_static_chunk): Likewise.
11109 (expand_omp_for): Likewise.
11110 (expand_omp_sections): Likewise.
11111 (remove_exit_barriers): New.
11112 (expand_omp_synch): New.
11114 (build_omp_regions_1): New.
11115 (build_omp_regions): New.
11116 (execute_expand_omp): New.
11117 (gate_expand_omp): New.
11118 (pass_expand_omp): Define.
11119 (lower_omp_sections): Rename from expand_omp_sections.
11120 Set OMP_SECTIONS_SECTIONS.
11121 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11122 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11123 (lower_omp_single): Rename from expand_omp_simple.
11124 (lower_omp_master): Rename from expand_omp_master.
11125 (lower_omp_ordered): Rename from expand_omp_ordered.
11126 (lower_omp_critical): Rename from expand_omp_critical.
11127 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11128 (lower_omp_for): Re-implement.
11129 (lower_omp_parallel): Re-implement.
11130 (lower_regimplify): Rename from expand_regimplify.
11131 (lower_omp_1): Rename from expand_omp_1.
11132 If there are syntax errors in the program, replace every
11133 OpenMP directive with NOP.
11134 Call lower_omp_* instead of expand_omp_*.
11135 (lower_omp): Rename from expand_omp.
11137 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11138 * tree-gimple.h (enum omp_parallel_type): Remove.
11139 (gimple_boolify): Declare extern.
11140 (find_omp_clause, determine_parallel_type): Remove.
11142 * gimple-low.c (lower_omp_directive): New.
11143 (lower_stmt): Call it.
11144 (record_vars_into): Move from ...
11145 (record_vars): ... here.
11146 Call record_vars_into with current_function_decl.
11148 * gimplify.c (struct gimplify_ctx): Remove fields
11149 combined_pre_p and combined_ctxp. Update users.
11150 (get_formal_tmp_var): Add documentation.
11151 (gimple_boolify): Make extern.
11152 (gimplify_expr_in_ctx): Remove. Update callers.
11153 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11154 will always be a BIND_EXPR.
11155 (gimplify_expr): Handle OMP_RETURN_EXPR.
11156 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11157 (OMP_PARALLEL): Add 3 operands.
11158 (OMP_SECTIONS): Add 1 operand.
11159 (OMP_RETURN_EXPR): Define.
11161 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11162 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11163 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11164 creating a circular free list.
11165 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11167 * tree-flow.h (move_sese_region_to_fn): Declare.
11168 (record_vars_into): Declare.
11169 * tree-cfg.c (make_omp_sections_edges): New.
11170 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11171 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11172 OMP_SECTIONS and OMP_SECTION.
11173 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11174 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11175 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11176 (gather_blocks_in_sese_region): New.
11177 (struct move_stmt_d): Declare.
11178 (move_stmt_r): New.
11179 (move_block_to_fn): New.
11180 (move_sese_region_to_fn): New.
11182 * passes.c (init_optimization_passes): Schedule
11183 pass_expand_omp after pass_init_datastructures.
11185 * tree-ssa-operands.c (get_expr_operands): Handle
11186 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11187 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11189 2006-01-19 Jeff Law <law@redhat.com>
11191 * tree-vrp.c (extract_range_from_assert): Refine the result range
11192 if the variable referenced by the ASSERT_EXPR has a range and
11193 either the tentative result range or the previous range is a
11196 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11198 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11200 2006-01-19 Jan Hubicka <jh@suse.cz>
11202 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11204 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11206 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11207 (expand_compound_operation, expand_field_assignment): Fail if the
11208 bit lengths of an extract operation are out of range.
11209 (make_extraction): Compute wanted_inner_mode based on the position
11210 and length of the extraction. Make it extraction_mode for non-constant
11211 positions, and do not modify offset in that case. When generating a
11212 new MEM, use a mode that can hold the extraction while keeping correct
11213 alignment. Remove code that supported MEMs wrapped by USEs.
11214 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11216 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11218 * config/s390/s390.md ("Y", "y"): New mode attribute.
11219 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11220 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11221 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11222 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11223 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11224 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11225 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11226 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11227 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11228 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11229 "addsi3", "subsi3"): Insn patterns removed.
11230 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11231 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11232 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11233 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11234 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11235 "*sub<mode>3_cconly2"): New insn patterns.
11236 ("addsi3", "subsi3"): New expanders.
11238 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11240 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11241 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11242 existing STMT_VINFO_VECTYPE if available.
11243 (vect_mark_relevant): Add special handling for stmts that are
11244 marked as STMT_VINFO_IN_PATTERN_P.
11245 (vect_analyze_loop): Call vect_pattern_recog.
11246 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11247 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11249 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11250 (vect_recog_func_ptr): New function-pointer type.
11251 * tree-vect-patterns.c: New file.
11252 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11253 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11254 (vect_pattern_recog_1): New functions.
11255 (vect_pattern_recog_funcs): New array of function pointers.
11257 * tree-vectorizer.h (ternary_op): New enum value.
11258 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11259 declaration. Revised documentation. Removed redundant dump prints.
11260 Removed redundant argument. Added support for reduction patterns.
11261 (vectorizable_reduction): Added support for reduction patterns.
11262 (vect_transform_stmt): Added support for patterns.
11264 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11265 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11266 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11267 (expand_widen_pattern_expr): New function.
11268 (init_optabs): Initialize new optabs udot_prod_optab,
11270 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11271 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11272 (expand_widen_pattern_expr): New function declaration.
11273 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11275 * tree-inline.c (estimate_num_insns_1): Added cases for new
11276 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11277 * tree-pretty-print.c (dump_generic_node): Likewise.
11278 (op_prio): Likewise.
11279 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11280 * tree-ssa-operands.c (get_expr_operands): Added case for
11282 * tree-vect-patterns.c (widened_name_p): New function.
11283 (vect_recog_dot_prod_pattern): Added function implementation.
11284 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11285 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11286 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11287 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11289 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11290 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11291 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11292 (init_optabs): Initialize new optabs widen_ssum_optab,
11294 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11295 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11296 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11297 use instead of type of def.
11298 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11299 function implementation.
11300 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11301 widen_ssumv8hi): New.
11303 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11306 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11309 * c-decl.c (add_flexible_array_elts_to_size): New function.
11310 (finish_decl): Use it.
11312 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11314 * diagnostic.h: Include options.h.
11315 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11316 dependancies for diagnostic.h.
11317 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11319 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11321 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11322 (ssa_ro_call_cache_valid): Ditto.
11323 * tree-ssa-alias.c (sort_tags_by_id): New function.
11324 (init_transitive_clobber_worklist): Ditto.
11325 (add_to_worklist): Ditto.
11326 (mark_aliases_call_clobbered): Ditto.
11327 (compute_tag_properties): Ditto.
11328 (set_initial_properties): Ditto.
11329 (compute_call_clobbered): Ditto.
11330 (compute_may_aliases): Call compute_call_clobbered and grouping.
11331 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11332 (compute_flow_insensitive_aliasing): Grouping now happens in our
11334 (setup_pointers_and_addressables): Remove clobbering related code.
11335 (add_may_alias): Ditto.
11336 (replace_may_alias): Ditto.
11337 (get_nmt_for): Ditto.
11338 (create_global_var):
11339 (is_escape_site): Return an escape_type enumeration.
11340 * tree-flow-inline.h (is_call_clobbered): Global var does not
11341 imply call clobbered.
11342 (mark_call_clobbered): Take a reason for marking this. Remove
11343 marking of globalness, and cache invalidation.
11344 (clear_call_clobbered): Remove cache invalidation code.
11345 * tree-dfa.c (dump_variable): If details is on, dump the reason
11347 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11349 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11350 (struct var_ann_d): Ditto.
11351 (enum escape_type): New.
11352 (mark_call_clobbered): Adjust prototype.
11353 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11354 are never call clobbered.
11355 Record reasons for escaping.
11356 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11357 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11358 (ssa_ro_call_cache_valid): Ditto.
11359 (clobbered_v_may_defs): Ditto.
11360 (clobbered_vuses): Ditto.
11361 (ro_call_vuses): Ditto.
11362 (clobber_stats): New.
11363 (init_ssa_operands): Zero out clobber stats.
11364 (fini_ssa_operands): Print out clobber stats.
11365 (get_call_expr_operands): Pass callee fndecl to
11366 add_call_read_ops).
11367 (add_call_clobber_ops): Remove use of cache.
11368 Add use of PURE_CONST information.
11369 (add_call_read_ops): Remove use of cache.
11370 Add use of static not_read information.
11372 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11374 Introduce TLS descriptors for i386 and x86_64.
11375 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11376 (TARGET_ANY_GNU_TLS): New macro.
11377 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11378 (struct machine_function): Add tls_descriptor_call_expanded_p.
11379 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11380 (ix86_current_function_calls_tls_descriptor): Likewise.
11381 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11382 (override_options): Introduce gnu2 tls dialect.
11383 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11385 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11387 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11388 (ix86_init_machine_status): Initialize new field.
11389 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11390 (ix86_tls_module_base): New.
11391 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11392 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11393 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11394 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11395 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11396 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11397 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11398 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11399 * config/i386/predicates.md (tls_modbase_operand): New.
11400 (tp_or_register_operand): New.
11402 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11404 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11405 (look_for_address_of): Ditto.
11406 (ipa_init): Walk the function decls.
11407 (static_execute): Don't set readonly on FUNCTION_DECL's.
11409 2006-01-18 Roger Sayle <roger@eyesopen.com>
11411 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11412 for shifts where the source and destination registers are different.
11414 2006-01-18 Paul Brook <paul@codesourcery.com>
11416 Merge from csl-arm-branch.
11417 2005-03-14 Julian Brown <julian@codesourcery.com>
11418 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11419 (aeabi_llsl): Likewise.
11420 (ashrdi3): Likewise.
11421 (aeabi_lasr): Likewise.
11422 (lshrdi3): Likewise.
11423 (aeabi_llsr): Likewise.
11424 2005-03-10 Julian Brown <julian@codesourcery.com>
11425 * config.gcc: Disable shared libgcc for SymbianOS.
11426 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11428 2006-01-18 DJ Delorie <dj@redhat.com>
11430 * c-pragma.c (handle_pragma_diagnostic): New.
11431 (init_pragma): Register it.
11432 * doc/extend.texi: Document it.
11434 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11435 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11436 (diagnostic_context): Add classify_diagnostic[].
11437 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11438 as errors if they're overridden to DK_WARNING.
11439 (diagnostic_initialize): Initialize classify_diagnostic[].
11440 (diagnostic_set_kind_override): New.
11441 (diagnostic_report_diagnostic): Check for kind changes.
11442 * opts.c (common_handle_option): Take lang_mask. Update callers.
11443 Handle OPT_Werror_.
11444 * common.opt (Werror=): New.
11445 * doc/invoke.texi: Document -Werror=*
11447 2006-01-18 Jeff Law <law@redhat.com>
11449 * tree-vrp.c (test_for_singularity): Correct test for new
11450 min limit. Use operand_equal_p rather than pointer equality
11451 for testing if new min/max values are equal.
11453 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11454 using range information until after propagation and folding.
11456 2006-01-18 Richard Henderson <rth@redhat.com>
11457 Aldy Hernandez <aldyh@redhat.com>
11458 Jakub Jelinek <jakub@redhat.com>
11459 Diego Novillo <dnovillo@redhat.com>
11461 * omp-low.c: New file.
11462 * c-omp.c: New file.
11464 2006-01-18 Richard Henderson <rth@redhat.com>
11465 Jakub Jelinek <jakub@redhat.com>
11466 Diego Novillo <dnovillo@redhat.com>
11468 * doc/invoke.texi: Document -fopenmp.
11469 * tree-dump.h (debug_function): Declare.
11470 * hooks.c (hook_bool_tree_bool_false): New function.
11471 (hook_tree_tree_null): Remove.
11472 (hook_tree_tree_tree_null): New.
11473 * hooks.h: Update to match.
11474 * tree-pretty-print.c (debug_tree_chain): New.
11475 (print_generic_expr): Handle TDF_CHAIN.
11476 (dump_generic_node): Handle BLOCK.
11477 Do not abort with incomplete SWITCH_EXPRs.
11478 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11479 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11480 print space after directive name.
11481 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11482 Handle OMP_MASTER and OMP_ORDERED.
11483 Handle printing of OMP_BODY just in one place, goto
11484 dump_omp_body in the rest of OMP_* nodes that have
11486 Don't handle clause nodes here. Update omp statements to
11487 use dump_omp_clauses.
11488 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11489 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11490 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11491 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11492 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11493 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11494 Adjust output for GOMP_PARALLEL.
11495 (dump_omp_clauses): New.
11496 (print_declaration): Dump DECL_VALUE_EXPR.
11497 (op_symbol_1): Split out of op_symbol.
11498 (dumping_stmts): Remove. Update all users.
11499 * cgraph.c (cgraph_analyze_queue): New.
11500 (cgraph_add_new_function): New.
11501 * cgraph.h (cgraph_analyze_queue): Declare.
11502 (cgraph_add_new_function): Declare.
11503 (cgraph_lower_function): Remove.
11504 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11505 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11506 and TYPE_P nodes in its default clause.
11507 (empty_body_p): New.
11508 (tree_range_check_failed): New.
11509 (build5_stat): New.
11510 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11511 OMP_CLAUSE_REDUCTION_MERGE,
11512 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11513 OMP_CLAUSE_PRIVATE_DEBUG,
11514 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11515 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11516 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11517 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11518 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11519 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11520 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11521 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11522 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11523 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11524 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11525 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11526 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11527 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11528 (TREE_RANGE_CHECK): New.
11529 (empty_body_p): Declare.
11530 (enum omp_clause_default_kind): New.
11531 (build_string_literal): Declare.
11532 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11533 (build5_stat, build5): Declare.
11534 * tree-pass.h (TDF_CHAIN): Define.
11535 * tree-pass.h (PROP_gimple_lomp): Define.
11536 (pass_lower_omp): Declare.
11537 * diagnostic.h (debug_tree_chain): Declare.
11538 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11540 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11541 * builtins.c (build_string_literal): Make extern.
11542 * gcc.c (include_spec_function): New.
11543 (static_spec_functions): Add it.
11544 (main): Move load of libgomp.spec ...
11545 (LINK_COMMAND_SPEC): ... here.
11546 (link_gomp_spec): New.
11547 (static_specs): Include it.
11548 (LINK_COMMAND_SPEC): Add link_gomp.
11549 (GOMP_SELF_SPECS): New.
11550 (driver_self_specs): Include it.
11551 (switch_matches): Don't mark inline.
11552 (main): Load libgomp.spec.
11553 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11554 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11555 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11556 * tree-gimple.h (enum omp_parallel): Declare.
11557 (determine_parallel_type): Declare.
11558 (omp_firstprivatize_variable): Declare.
11559 (omp_reduction_init): Declare.
11560 (diagnose_omp_structured_block_errors): Declare.
11561 (struct walk_stmt_info): Add want_return_expr.
11562 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11563 (find_omp_clause): Declare.
11564 (insert_field_into_struct): Declare.
11565 (struct walk_stmt_info): Move from tree-nested.c
11566 (walk_stmts): Declare.
11567 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11569 * cgraphunit.c (cgraph_lower_function): Make static.
11570 (cgraph_finalize_pending_functions): New.
11571 (cgraph_finalize_function): Call it.
11572 (cgraph_finalize_compilation_unit): Likewise.
11573 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11574 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11575 (BT_FN_UINT_UINT): New.
11576 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11577 DEF_FUNCTION_TYPE_VAR_4): Document.
11578 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11579 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11580 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11581 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11582 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11583 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11584 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11585 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11586 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11587 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11588 into separate files.
11589 (DEF_GOMP_BUILTIN): New.
11590 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11591 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11592 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11593 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11594 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11595 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11596 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11597 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11598 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11599 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11600 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11601 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11602 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11603 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11604 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11605 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11606 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11607 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11608 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11609 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11610 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11611 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11612 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11613 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11614 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11615 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11616 * sync-builtins.def: New file, moved from builtins.def.
11617 * omp-builtins.def: New file, moved from builtins.def.
11618 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11619 * gimple-low.c (lower_function_body): Clear data.
11620 (lower_stmt): Do not handle COMPOUND_EXPR.
11621 Remove call to print_node_brief.
11622 * c-tree.h (c_finish_omp_clauses): New prototype.
11623 (C_DECL_THREADPRIVATE_P): Define.
11624 (lookup_name_no_remap, c_omp_remap_private): Remove
11625 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11626 (check_for_loop_decls): Update decl.
11627 (lookup_name_no_remap, c_omp_remap_private): Declare.
11628 (build_indirect_ref, build_modify_expr, pushdecl,
11629 pushdecl_top_level): Move to c-common.h.
11630 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11631 before the switch, but just in the 2 places that need it.
11632 * c-decl.c (diagnose_mismatched_decls): Do not check for
11633 mismatched thread-local attributes when OLDDECL is marked
11634 threadprivate and NEWDECL has no thread-local attributes.
11635 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11636 (c_gimple_diagnostics_recursively): Rename from
11637 c_warn_unused_result_recursively. Invoke
11638 diagnose_omp_structured_block_errors.
11639 (check_for_loop_decls): Return a singular decl found.
11640 * langhooks.c (lhd_omp_predetermined_sharing): Return
11641 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11642 (lhd_omp_firstprivatize_type_sizes): New.
11643 (lhd_omp_assignment): New.
11644 (lhd_omp_predetermined_sharing): New.
11645 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11646 (struct lang_hooks_for_types): Add
11647 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11648 omp_predetermined_sharing, omp_disregard_value_expr,
11649 omp_private_debug_clause, omp_clause_default_ctor,
11650 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11651 (c_finish_omp_clauses): New.
11652 (c_finish_bc_stmt): Diagnose break within omp for.
11653 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11654 (build_unary_op): Return error_mark after reporting
11656 (build_modify_expr): Likewise.
11657 * gimplify.c: Include optabs.h and pointer-set.h.
11658 (enum gimplify_omp_var_data): Declare.
11659 (struct gimplify_omp_ctx): Declare.
11660 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11662 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11663 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11664 (splay_tree_compare_decl_uid): New.
11665 (new_omp_context): New.
11666 (delete_omp_context): New.
11667 (gimple_add_tmp_var): Call omp_add_variable.
11668 (gimplify_bind_expr): Likewise.
11669 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11670 true, disregard DECL_VALUE_EXPR on the decl if any.
11671 (gimplify_expr_in_ctx): New.
11672 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11673 omp_add_variable, omp_notice_variable, omp_is_private
11674 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11675 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11676 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11677 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11678 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11679 gimplify_omp_atomic): New.
11680 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11681 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11682 OMP_CRITICAL and OMP_ATOMIC.
11683 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11684 * c-pragma.h (enum pragma_kind): Add
11685 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11686 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11687 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11688 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11689 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11690 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11691 PRAGMA_OMP_THREADPRIVATE.
11692 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11693 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11694 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11695 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11696 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11697 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11698 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11699 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11700 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11701 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11702 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11703 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11704 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11706 (struct nesting_info): Add field_map,
11707 suppress_expansion, debug_var_chain.
11708 (create_nesting_tree): Initialize them.
11709 (lookup_field_for_decl): Use field_map.
11710 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11711 (convert_local_omp_clauses): New.
11712 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11713 (walk_body): Split out of walk_function.
11714 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11715 (convert_nonlocal_reference): Handle omp statements.
11716 (convert_local_reference): Likewise.
11717 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11718 (unnest_nesting_tree): New.
11719 (lower_nested_functions): Call it.
11720 (insert_field_into_struct): Make extern.
11721 (struct walk_stmt_info): Move to tree-gimple.h.
11722 (walk_stmts): Make extern.
11723 * omp-builtins.def: New file.
11724 * tree-iterator.c (expr_only): Clarify comment.
11725 * c-common.h (pushdecl_top_level, pushdecl,
11726 build_modify_expr, build_indirect_ref,
11727 c_finish_omp_master, c_finish_omp_critical,
11728 c_finish_omp_ordered, c_finish_omp_barrier,
11729 c_finish_omp_atomic, c_finish_omp_flush,
11730 c_finish_omp_for, c_split_parallel_clauses,
11731 omp_clause_default_kind, c_omp_sharing_predetermined,
11732 c_omp_remap_decl): Declare.
11733 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11734 (OBJS-common): Add omp-low.o.
11735 (c-omp.o, omp-low.o): Add.
11736 (gimplify.o): Add dependency on $(OPTABS_H).
11737 (GTFILES): Add omp-low.c.
11738 (gt-stringpool.h): Add.
11739 * tree-cfg.c (set_bb_for_stmt): Do not update the
11740 block-to-labels map if we are currently expanding to RTL.
11741 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11743 Handle IDENTIFIER_NODE.
11744 (tree_verify_flow_info): Do not ICE when emitting error
11745 messages about invalid labels.
11746 (dump_function_to_file): Reset CFUN before emitting the body
11748 (debug_function): New.
11749 * passes.c (init_optimization_passes): Schedule
11751 * langhooks-def.h (lhd_omp_predetermined_sharing,
11752 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11754 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11755 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11756 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11757 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11758 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11759 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11760 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11761 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11762 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11763 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11764 (LANG_HOOK_DECLS): Use them.
11766 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11767 Richard Henderson <rth@redhat.com>
11768 Jakub Jelinek <jakub@redhat.com>
11769 Diego Novillo <dnovillo@redhat.com>
11771 * c-parser.c (pragma_omp_clause): Define.
11772 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11773 (c_parser_compound_statement): Likewise.
11774 (c_parser_statement): Likewise.
11775 (c_parser_pragma): Handle omp pragmas.
11776 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11777 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11778 (c_parser_omp_clause_name, check_no_duplicate_clause,
11779 c_parser_omp_variable_list,
11780 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11781 c_parser_omp_clause_copyprivate,
11782 c_parser_omp_clause_default,
11783 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11784 c_parser_omp_clause_lastprivate,
11785 c_parser_omp_clause_nowait,
11786 c_parser_omp_clause_num_threads,
11787 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11788 c_parser_omp_clause_reduction,
11789 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11790 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11791 c_parser_omp_atomic, c_parser_omp_barrier,
11792 c_parser_omp_critical, c_parser_omp_flush,
11793 c_parser_omp_for_loop, c_parser_omp_for,
11794 c_parser_omp_master, c_parser_omp_ordered,
11795 c_parser_omp_sections_scope, c_parser_omp_sections,
11796 c_parser_omp_parallel, c_parser_omp_single,
11797 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11798 * c-pragma.c (init_pragma): Do omp pragma registration here.
11799 * c.opt (fopenmp): New flag.
11801 2006-01-18 Eric Christopher <echristo@apple.com>
11803 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11804 * config/darwin.h (GOMP_SELF_SPECS): Define.
11806 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11808 * rtl.h: Remove the prototype for reg_alloc.
11810 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11813 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11814 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11815 sjlj and dwarf2 exception handling.
11816 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11817 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11818 * pa/pa.c (function_value): Treat complex and vector types as
11820 (function_arg): Likewise. Only pass scalar floats in the floating
11821 point argument registers.
11822 * pa/t-slibgcc-dwarf-ver: New file.
11823 * pa/t-slibgcc-sjlj-ver: New file.
11824 * pa/t-slibgcc-elf-ver: Delete file.
11826 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11828 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11829 unlikely_test_section_p test.
11831 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11833 * mode-switching.c (optimize_mode_switching): Make it static.
11834 * basic-block.h: Remove the prototype for
11835 optimize_mode_switching.
11837 * modulo-sched.c (sms_schedule): Make it static.
11838 * rtl.h: Remove the prototype for sms_schedule.
11840 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11841 * rtl.h: Remove the prototype for gcse_after_reload_main.
11843 * reg-stack.c (reg_to_stack): Make it static.
11844 * rtl.h: Remove the prototype for reg_to_stack.
11846 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11848 * rtl.h: Remove the prototypes for regrename_optimize and
11849 copyprop_hardreg_forward.
11851 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11853 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11854 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11855 Test against the appropriate null constant for the mode.
11856 If 'fixup_overlap' is true, swap the operands if they overlap.
11857 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11858 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11859 alpha_split_tmode_pair and adjust for above change.
11860 * config/alpha/alpha.md (movtf_internal): Adjust call to
11861 alpha_split_tfmode_pair and rely on it to swap the operands.
11862 (movti_internal): New insn and post-reload splitter.
11863 (movti): New expander.
11865 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11867 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11870 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11872 * rtlanal.c (global_reg_mentioned_p_1,
11873 global_reg_mentioned_p): Remove.
11874 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11876 * flow.c (initialize_uninitialized_subregs): Make it static.
11877 * rtl.h: Remove the prototype for
11878 initialize_uninitialized_subregs.
11880 * function.c (instantiate_virtual_regs): Make it static.
11881 * function.h: Remove the prototype for
11882 instantiate_virtual_regs.
11884 * regmove.c (regmove_optimize, combine_stack_adjustments):
11886 * rtl.h: Remove the prototypes for regmove_optimize and
11887 combine_stack_adjustments.
11889 2006-01-17 Roger Sayle <roger@eyesopen.com>
11891 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11892 (size_cost): Encode costs in bytes so that a reg-reg addition is
11893 equivalent to COSTS_N_INSNS(1).
11894 (override_options): Use the size_cost.branch_cost as the default
11895 ix86_branch_cost when optimizing for size.
11897 2006-01-18 Ben Elliston <bje@au.ibm.com>
11899 * Makefile.in (D32PBIT_FUNCS): New.
11900 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11901 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11902 D64PBIT_FUNCS and D128PBIT_FUNCS.
11903 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11904 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11906 (decnumber_dep): Define.
11907 * doc/libgcc.texi (Decimal float library routines): New node.
11908 * config/dfp-bit.h, config/dfp-bit.c: New files.
11910 2006-01-18 Ben Elliston <bje@au.ibm.com>
11912 * expr.c (emit_move_change_mode): Always adjust addresses, not
11913 just during reload. Copy replacements only during reload.
11914 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11915 emit_move_via_integer.
11917 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11919 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11920 instead of $(srcdir) and ${srcdir}.
11922 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11925 PR middle-end/11135
11926 * arm.h (struct machine_function): Add pic_reg.
11927 * arm.c (arm_pic_register): Make unsigned.
11928 (arm_override_options): Only set arm_pic_register if
11929 TARGET_SINGLE_PIC_BASE.
11930 (use_return_insn): Only test for a pic register if it is fixed.
11931 (arm_compute_save_reg0_reg12_mask): Likewise.
11932 (thumb_compute_save_reg_mask): Likewise.
11933 (legitimate_pic_operand): Factor out some known invariants.
11934 (legitimize_pic_address): If we don't have a fixed pic register,
11935 then set up a pseudo in the function entry sequence. Handle the
11936 pic base being in a pseudo.
11937 (arm_load_pic_register): Handle the pic register being in a pseudo.
11938 (arm_expand_prologue): Only set up the pic register if it is fixed.
11939 (thumb_expand_prologue): Likewise.
11940 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11941 (pic_load_addr_based_insn): Likewise.
11942 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11945 2006-01-18 Ben Elliston <bje@au.ibm.com>
11947 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11948 decimal float modes for all floating point registers.
11950 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11951 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11953 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11956 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11957 even when the pointer is not NULL.
11959 2006-01-16 Ian Lance Taylor <ian@airs.com>
11961 * common.opt (ftoplevel-reorder): New option.
11962 * cgraph.c (cgraph_asm_nodes): New global variable.
11963 (cgraph_asm_last_node): New static variable.
11964 (cgraph_order): New global variable.
11965 (cgraph_create_node): Set new order field.
11966 (cgraph_varpool_node): Likewise.
11967 (decide_is_variable_needed): Return true if not
11968 flag_toplevel_reorder.
11969 (cgraph_add_asm_node): New function.
11970 * cgraph.h (struct cgraph_node): Add order field.
11971 (struct cgraph_varpool_node): Add order field.
11972 (struct cgraph_asm_node): Define.
11973 (cgraph_asm_nodes, cgraph_order): Declare.
11974 (cgraph_add_asm_node): Declare.
11975 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11977 (cgraph_varpool_assemble_pending_decls): Call it.
11978 (cgraph_output_pending_asms): New static function.
11979 (cgraph_finalize_compilation_unit): Call it.
11980 (struct cgraph_order_sort): Define.
11981 (cgraph_output_in_order): New static function.
11982 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11983 !flag_toplevel_reorder case.
11984 * c-parser.c: Include "cgraph.h".
11985 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11987 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11988 than -fno-unit-at-a-time.
11989 * doc/invoke.texi (Option Summary): Mention
11990 -fno-toplevel-reorder.
11991 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11992 -funit-at-a-time documentation.
11994 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11995 Kazu Hirata <kazu@codesourcery.com>
11997 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11999 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12001 * Makefile.in (FUNCTION_H): New. Use it instead of
12002 function.h throughout the file.
12003 * function.h: Include tree.h.
12005 2006-01-17 Ben Elliston <bje@au.ibm.com>
12007 * recog.c: Separate some functions with whitespace.
12009 2006-01-16 Richard Henderson <rth@redhat.com>
12011 Merge from gomp branch:
12012 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12013 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12014 and rename from struct inline_data. Rename callee* to dst*;
12015 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12016 transform_new_cfg, transform_return_to_modify, and
12017 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12019 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12020 (copy_decl_for_dup): Remove.
12021 * tree-inline.c (struct inline_data): Move to header.
12022 (insert_decl_map): Export.
12023 (remap_decl): Update for member name changes. Use copy_decl hook.
12024 Allow for replacement to be a non-decl. Remove dead code.
12025 (remap_type_1): Check for existing mapping.
12026 (remap_type): Export.
12027 (remap_decls): Update for member name changes.
12028 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12029 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12030 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12031 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12032 (tree_function_versioning, build_duplicate_type): Likewise.
12033 (copy_body_r): Likewise. Export.
12034 (copy_decl_for_dup): Split into ...
12035 (copy_decl_for_dup_finish, copy_decl_to_var,
12036 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12037 (replace_ref_tree, inlining_p): Remove.
12039 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12041 * ifcvt.c (if_convert): Make it static.
12042 * rtl.h: Remove the prototype for if_convert.
12044 * local-alloc.c (local_alloc): Make it static.
12045 * rtl.h: Remove the prototype for local_alloc.
12047 * loop.c (loop_optimize): Make it static.
12048 * cfgloop.h: Remove the prototype for loop_optimize.
12051 2006-01-16 DJ Delorie <dj@redhat.com>
12053 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12056 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12058 * pa.md: Disparage copies between general and floating-point registers
12059 in 32-bit move patterns.
12061 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12064 * Makefile.in (check-%): Depend on site.exp instead of
12065 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12068 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12070 * global.c (global_alloc): Make it static.
12071 * rtl.h: Remove the prototype for global_alloc.
12073 2006-01-16 Richard Guenther <rguenther@suse.de>
12075 * tree-ssa-alias.c (struct used_part): Add write_only field.
12076 (get_or_create_used_part_for): Initialize it to true.
12077 (create_overlap_variables_for): Don't create structure variables
12078 for structures that only are written to.
12079 (find_used_portions): Handle MODIFY_EXPR to track whether a
12080 structure is only written to.
12082 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12084 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12086 * basic-block.h: Remove the prototype for
12087 partition_hot_cold_basic_blocks.
12089 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12091 * cppspec.c (lang_specific_spec_functions): Remove.
12092 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12093 * gcc.h (lang_specific_spec_functions): Remove.
12094 * gccspec.c (lang_specific_spec_functions): Remove.
12096 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12098 * combine.c (record_value_for_reg): Invalidate registers
12100 (record_dead_and_set_regs_1): Likewise, by passing them to
12101 record_value_for_reg.
12102 (record_dead_and_set_regs): Invalidate stores made by a
12103 call. We do not combine across a call, but we still
12104 relied on equivalences.
12106 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12108 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12109 vrp_int_const_binop returning non-constant nodes.
12111 2006-01-16 Paul Brook <paul@codesourcery.com>
12113 * config/m68k/m68k.c (output_move_const_into_data_reg):
12114 Output correct mnemonic for mvz and mvs.
12116 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12118 * rtl-factoring.c: Add sequence abstraction algorithm.
12119 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12120 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12122 (block_has_preserve_label): New function.
12123 * common.opt: Register new pass.
12124 * Makefile.in: Ditto.
12126 * timevar.def: Ditto.
12127 * tree-pass.h: Ditto.
12128 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12129 * rtl.h (make_jump_insn_raw): Add forward decl.
12130 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12132 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12133 Roger Sayle <roger@eyesopen.com>
12135 * fold-const.c (fold_minmax): New static function.
12136 (fold_binary) <MIN_EXPR>: Call it.
12137 <MAX_EXPR>: Likewise.
12138 * stor-layout.c (place_field): Use DECL_SIZE consistently
12139 in the computation of the new record size.
12141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12143 * cse.c (cse_condition_code_reg): Make it static.
12144 * rtl.h: Remove the prototype for cse_condition_code_reg.
12146 * combine.c (combine_instructions): Make it static.
12147 * rtl.h: Remove the prototype for combine_instructions.
12149 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12152 * tree.c (get_file_function_name_long): Concatenate the first global
12153 object name with a string derived from the input filename of the object
12156 2006-01-16 Ben Elliston <bje@au.ibm.com>
12158 * config/i386/winnt-stubs.c: Update FSF address.
12159 * config/xtensa/ieee754-df.S: Ditto.
12160 * config/xtensa/ieee754-sf.S: Ditto.
12162 2006-01-14 Ian Lance Taylor <ian@airs.com>
12164 * ifcvt.c (noce_init_if_info): New static function, broken out of
12165 noce_process_if_block.
12166 (noce_process_if_block): Call noce_init_if_info.
12167 (check_cond_move_block): New static function.
12168 (cond_move_process_if_block): New static function.
12169 (process_if_block): Call cond_move_process_if_block.
12171 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12173 * cselib.c (hash_table): Rename to cselib_hash_table.
12174 (cselib_clear_table, discard_useless_values,
12175 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12176 cselib_init, cselib_finish): Adjust uses of hash_table.
12178 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12180 PR tree-optimization/25485
12181 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12182 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12183 is known to be false and true, respectively.
12185 2006-01-14 Richard Guenther <rguenther@suse.de>
12187 PR tree-optimization/22548
12188 PR tree-optimization/22555
12189 PR tree-optimization/22501
12190 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12191 * params.def (salias-max-array-elements): New parameter.
12192 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12193 * doc/invoke.texi (salias-max-array-elements): Document.
12194 * tree-flow-inline.h (var_can_have_subvars): We also handle
12196 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12198 * tree-ssa-structalias.c (params.h): Include.
12199 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12200 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12201 (get_constraint_for): For ADDR_EXPR operating on something
12202 containing an ARRAY_REF, add all subvars to the solution.
12203 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12204 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12205 for creating MUST_DEFs.
12206 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12208 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12210 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12212 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12213 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12214 number_of_iterations_le): New functions.
12215 (number_of_iterations_special): Removed.
12216 (number_of_iterations_exit): Do not use number_of_iterations_special.
12217 * tree.c (unsigned_type_for): Always return integer type.
12219 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12220 Richard Guenther <rguenther@suse.de>
12222 PR rtl-optimization/24257
12223 * gcse.c (find_moveable_store): Only consider a store movable
12224 when the SET_SRC of the insn can be assigned to a register.
12226 2006-01-14 Ian Lance Taylor <ian@airs.com>
12228 * tree.c (tree_not_class_check_failed): New function.
12229 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12230 (tree_not_class_check_failed): Declare.
12232 2006-01-13 Ian Lance Taylor <ian@airs.com>
12234 * reload1.c (do_output_reload): Add assertion rejecting a
12237 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12239 * combine.c (struct reg_stat): Add new fields truncation_label and
12241 (record_value_for_reg): Reset truncated_to_mode.
12242 (record_truncated_value): New function.
12243 (check_promoted_subreg): Call it. Rename to check_conversions.
12244 (combine_instructions): Rename check_promoted_subreg to
12246 (reg_truncated_to_mode): New function.
12247 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12248 (gen_lowpart_or_truncate): New function.
12249 (force_to_mode): Use it instead of gen_lowpart.
12251 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12253 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12254 VAR is a tag, not its type tag.
12256 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12258 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12259 alternatives to match style of other entries.
12260 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12262 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12264 PR tree-optimization/25771
12265 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12268 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12271 * tree-inline.c (declare_return_variable): If the return variable
12272 was marked as a non gimple complex, set the return slot variable
12273 to be a non gimple comple variable.
12275 2006-01-13 Richard Guenther <rguenther@suse.de>
12277 * builtins.c (expand_builtin_sincos): New function.
12278 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12280 (expand_builtin): Expand sincos using expand_builtin_sincos.
12282 2006-01-12 DJ Delorie <dj@redhat.com>
12284 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12285 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12286 so that constant shifts can be split.
12287 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12288 (m32c_valid_pointer_mode): Make static.
12289 (shift_gen_func_for): New.
12290 (m32c_prepare_shift): Use it. Split large const shifts into
12292 * config/m32c/predicates.md (shiftcount_operand): Allow more
12294 (longshiftcount_operand): New.
12295 * doc/md.texi (Machine Constraints): Document In6.
12297 2006-01-13 Ben Elliston <bje@au.ibm.com>
12299 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12300 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12303 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12305 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12306 to try to avoid clobbering pieces of structures when we know
12307 something about the whole structure.
12308 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12310 2006-01-13 Ben Elliston <bje@au.ibm.com>
12312 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12313 return in memory, as this is no limitation is no longer present.
12315 2006-01-12 DJ Delorie <dj@redhat.com>
12317 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12318 mova with fb, and for fb+0 -> An.
12320 * config/m32c/mov.md (peephole2): Fix enabling logic.
12322 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12323 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12324 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12325 FINI_ARRAY_SECTION_ASM_OP): Define.
12327 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12329 (m32c_legitimize_reload_address): New logic to reload FB to An.
12330 (m32c_output_reg_push): Add newline.
12331 (m32c_output_reg_pop): Likewise.
12333 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12335 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12337 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12339 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12341 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12343 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12346 2006-01-11 Ben Elliston <bje@au.ibm.com>
12348 * rtlanal.c (find_reg_note): Assert insn is not null.
12350 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12352 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12355 2006-01-11 Jeff Law <law@redhat.com>
12357 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12359 (mark_threaded_blocks, register_jump_thread): New functions.
12360 (thread_through_all_blocks): Remove unwanted argument. No
12361 longer rely on e->aux to communicate thread target info.
12362 Call mark_threaded_blocks. Release the threaded_blocks
12363 bitmap and threaded_edges vector when complete.
12364 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12365 (threaded_blocks): Remove.
12366 (tree_ssa_dominator_optimize): Remove initialization and
12367 finalization of threaded_blocks. Simplify call to
12368 thread_through_all_blocks.
12369 (thread_across_edge): Call register_jump_thread rather than
12370 storing thread information into e->aux.
12371 (free_all_edge_infos): Simplify now that e->aux is no longer
12372 used to communicate with thread_through_all_blocks.
12373 * tree-flow.h (thread_through_all_blocks): Update prototype.
12374 (register_jump_thread): Prototype.
12376 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12378 * df-core.c (df_compact_blocks, df_bb_replace): Use
12379 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12381 2006-01-11 Richard Guenther <rguenther@suse.de>
12383 PR tree-optimization/25734
12384 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12385 stop propagation after successful propagation to the LHS.
12387 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12389 * basic-block.h (control_flow_graph): Change the type of
12390 x_basic_block_info to VEC(basic_block,gc) *.
12391 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12393 (SET_BASIC_BLOCK): New.
12394 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12395 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12396 * cfgbuild.c (find_basic_blocks): Likewise.
12397 * cfglayout.c (fixup_reorder_chain): Likewise.
12398 * cfgrtl.c (create_basic_block_structure,
12399 rtl_create_basic_block): Likewise.
12400 * ifcvt.c (find_if_case_1): Likewise.
12401 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12404 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12406 * Makefile.in: Removed rotted odf.c entry.
12408 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12411 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12412 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12413 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12414 output pattern modifier, not %e.
12415 * config/cris/cris.c (cris_op_str): Update comment about pattern
12417 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12418 before falling through into...
12419 <case 'E'>: Redefined from old 'e' case.
12421 2006-01-11 Jan Hubicka <jh@suse.cz>
12424 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12426 2006-01-11 Jan Hubicka <jh@suse.cz>
12428 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12429 * i386.c (x86_decompose_lea): Kill.
12430 (ix86_rtx_costs): Kill.
12432 2006-01-11 Jan Hubicka <jh@suse.cz>
12434 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12435 * cgraph.h (cgraph_node): Add inline_decl.
12436 (cgraph_insert_node_to_hashtable): Declare.
12437 (save_inline_function_body): Declare.
12438 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12440 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12441 (cgraph_function_versioning): Update call of tree_function_versioning.
12442 (save_inline_function_body): New function.
12443 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12444 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12445 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12446 (cgraph_default_inline_p): Likewise.
12447 (cgraph_decide_inlining_incrementally): Likewise.
12448 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12449 (copy_bb): Kill saving; do updating of clones.
12450 (copy_cfg_body): Kill saving.
12451 (initialize_inlined-parameters): Likewise.
12452 (expand_call_inline): Likewise.
12454 (tree_function_versioning): New parameter "update_clones".
12455 (inlining_p): Kill saving.
12456 * tree-inline.h (tree_function_versioning): Update prototype.
12457 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12460 2006-01-11 Ian Lance Taylor <ian@airs.com>
12462 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12463 Allow undoing set of machine mode.
12464 (do_SUBST): Use enums instead of is_int.
12465 (do_SUBST_MODE): New function.
12466 (SUBST_MODE): New macro.
12467 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12468 reg and trying to replace reg_regno_rtx with a new register.
12469 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12470 (simplify_set): Use SUBST_MODE.
12471 (distribute_notes): Remove code that tried to update reg notes
12472 for regno_reg_rtx changes.
12474 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12476 PR tree-optimization/23109
12477 PR tree-optimization/23948
12478 PR tree-optimization/24123
12480 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12481 * tree-cfg.c (single_noncomplex_succ): New.
12482 * tree-flow.h (single_noncomplex_succ): Declare it.
12483 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12484 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12485 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12486 insert_bb, register_division_in, insert_reciprocals,
12487 replace_reciprocal, free_bb): New.
12488 (execute_cse_reciprocals_1): Rewritten.
12489 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12490 Do not commit any edge insertion. Always compute dominators and
12491 create the allocation pool.
12492 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12493 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12494 * targhooks.c (default_min_divistions_for_recip_mul): New.
12495 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12496 * passes.c (init_optimization_passes): Run recip after tree loop
12498 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12500 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12501 Kenneth Zadeck <zadeck@naturalbridge.com>
12503 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12504 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12505 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12506 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12507 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12508 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12509 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12510 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12511 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12512 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12513 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12514 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12515 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12516 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12517 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12518 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12519 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12520 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12521 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12522 DF_SCAN_POST_ALLOC): New macros.
12523 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12524 df_free_bb_function, df_local_compute_function, df_init_function,
12525 df_dataflow_function, df_confluence_function_0,
12526 df_confluence_function_n, df_transfer_function,
12527 df_finalizer_function, df_free_function, df_dump_problem_function,
12528 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12529 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12530 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12531 df_urec_bb_info, ) New types.
12532 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12534 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12535 df_analyze_simple_change_some_blocks,
12536 df_analyze_simple_change_one_block, df_compact_blocks,
12537 df_bb_replace, df_bb_regno_last_use_find,
12538 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12539 df_insn_regno_def_p, df_find_def, df_find_use,
12540 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12541 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12542 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12543 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12544 debug_df_chain, df_get_dependent_problem, df_chain_create,
12545 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12546 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12547 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12548 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12549 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12550 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12551 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12552 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12553 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12554 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12555 df_reorganize_refs, df_set_state, df_hard_reg_init,
12556 df_read_modify_subreg_p) New public functions.
12557 * df-core.c: The core dataflow solver and glue routines for rtl
12559 (df_init, df_add_problem, df_set_blocks, df_finish,
12560 df_hybrid_search_forward, df_hybrid_search_backward,
12561 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12562 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12563 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12564 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12565 df_reg_defined, df_find_use, df_reg_used, df_dump,
12566 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12567 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12568 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12569 debug_df_useno, reset_df_after_reload): New functions.
12570 * df-scan.c: The scanning fuctions, once in df.c, completely
12571 rewritten so that they now fully model the functionality of
12572 register usage at the backend.
12573 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12574 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12575 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12576 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12577 df_get_artificial_defs, df_get_artificial_uses,
12578 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12579 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12580 df_refs_delete, df_reorganize_refs, df_set_state,
12581 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12582 df_def_record_1, df_defs_record, df_uses_record,
12583 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12584 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12585 df_record_exit_block_uses, df_hard_reg_init): New functions.
12587 * df-problems.c: Seven concrete dataflow problems that use the
12588 scanning in df-scan.c and are solved by the engine in df-core.c.
12589 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12590 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12591 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12592 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12593 df_ru_free_bb_info, df_ru_alloc,
12594 df_ru_bb_local_compute_process_def,
12595 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12596 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12597 df_ru_transfer_function, df_ru_free, df_ru_dump,
12598 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12599 df_rd_free_bb_info, df_rd_alloc,
12600 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12601 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12602 df_rd_transfer_function, df_rd_free, df_rd_dump,
12603 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12604 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12605 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12606 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12607 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12608 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12609 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12610 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12611 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12612 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12613 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12614 df_urec_mark_reg_use_for_earlyclobber,
12615 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12616 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12617 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12618 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12619 df_chain_create_bb_process_use, df_chain_create_bb,
12620 df_chain_finalize, df_chain_free, df_chains_dump,
12621 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12622 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12623 df_reg_lifetime): New functions.
12624 * df.c: Deleted file.
12625 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12626 consistent with new df api.
12627 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12628 rest_of_handle_sms): Ditto.
12629 * web.c (unionfind_union, union_defs, entry_register, web_main):
12631 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12632 invariant_expr_equal_p, find_defs, check_dependencies,
12633 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12634 free_inv_motion_data, move_loop_invariants): Ditto.
12635 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12636 Update dependencies.
12637 (odf.c): Added defective entry that was deleted later in day.
12638 * sched-deps.c (sched_analyze_1): Ditto.
12640 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12642 * tree-ssa-operands.c (get_expr_operands): Record addressable
12643 variables directly. Do not call add_stmt_operands for CONST_DECLs
12645 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12646 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12648 2006-01-11 Ben Elliston <bje@au.ibm.com>
12650 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12651 function returns true in the positive case.
12653 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12656 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12657 for SI, DI, SF and DF modes. Add alternatives to copy between
12658 general and floating point registers to the 32-bit patterns.
12659 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12660 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12661 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12662 generating 64-bit code.
12663 * config/pa/pa.c (output_move_double): Handle copies between general
12664 and floating registers.
12666 2006-01-10 Stuart Hastings <stuart@apple.com>
12668 * config/i386/i386.md (set_got): Update.
12669 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12670 (builtin_setjmp_receiver): Mach-O support.
12671 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12672 (GOT_SYMBOL_NAME): Define.
12673 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12674 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12675 * config/i386/i386.c (override_options): Revise for Darwin.
12676 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12677 support. (darwin_x86_file_end): New. (output_set_got): Add label
12678 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12679 * config/i386/i386-protos.h (output_set_got): Likewise.
12680 * config/darwin.c (machopic_legitimize_pic_address): Update
12683 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12685 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12686 when MODE isn't BLKmode.
12688 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12690 PR rtl-optimization/25367
12691 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12693 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12696 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12697 for a negative bound.
12699 2006-01-10 Richard Guenther <rguenther@suse.de>
12701 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12702 Never override with anything constraint.
12704 2006-01-10 Jan Beulich <jbeulich@novell.com>
12706 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12707 256 bits when optimize_size.
12709 2006-01-10 Jan Beulich <jbeulich@novell.com>
12711 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12713 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12714 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12717 2006-01-10 Ben Elliston <bje@au.ibm.com>
12719 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12721 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12722 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12723 (USE_FP_FOR_ARG): Reject decimal float modes.
12724 (function_arg_advance): Likewise.
12725 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12726 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12727 point types in AltiVec vectors.
12728 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12729 (rs6000_libcall_value): Likewise.
12731 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12733 * config/xtensa/ieee754-df.S: New file.
12734 * config/xtensa/ieee754-sf.S: New file.
12735 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12736 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12737 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12739 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12741 * config/sh/predicates.md (binary_float_operator,
12742 binary_logical_operator, commutative_float_operator,
12743 equality_comparison_operator, greater_comparison_operator,
12744 less_comparison_operator, logical_operator,
12745 noncommutative_float_operator, shift_operator,
12746 symbol_ref_operand, unary_float_operator): Remove redundant
12749 2006-01-09 Jeff Law <law@redhat.com>
12751 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12752 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12753 now unused arguments. Callers updated.
12754 (eliminate_redundant_computations): Remove now unused arguments,
12756 (local_fold): Remove, no longer used.
12757 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12759 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12760 (simplify_cond): New function.
12761 (forward_propagate_into_cond): Call simplify_cond.
12763 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12765 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12766 (*vec_extractv2di_1_sse): New.
12768 2006-01-09 Ben Elliston <bje@au.ibm.com>
12770 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12772 2006-01-08 Richard Guenther <rguenther@suse.de>
12774 * tree-ssa-structalias.c (get_constraint_for): Remove
12775 anyoffset argument.
12776 (get_constraint_for_component_ref): Likewise.
12777 (do_deref): Likewise.
12778 (get_constraint_for): Likewise.
12779 (do_structure_copy): Likewise.
12780 (handle_ptr_arith): Likewise.
12781 (find_func_aliases): Likewise. Remove unused need_anyoffset
12784 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12785 Kaz Kojima <kkojima@gcc.gnu.org>
12787 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12788 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12789 (EXTRA_CONSTRAINT_C16): Remove.
12790 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12791 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12792 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12793 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12794 constants of SHmedia. Handle nested constant expressions of
12796 (andcosts): Fix the costs for SHmedia constants.
12797 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12798 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12799 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12800 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12801 (movv4hi_i, movv2si_i): Likewise.
12802 (movsi_const): Adjust the second operand of ior so to match with
12803 the Csu constraint.
12804 (movdi_const, movdi_const_32bit): Likewise.
12805 (movdi_const_16bit+1): Don't sign-extend LOW.
12806 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12808 (*double_shori): Fix the split condition. Use GEN_INT instead
12809 of get_int_mode calls. Mask lower 16-bit of the argument of
12811 (sym2GOTPLT): Remove.
12812 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12814 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12815 instead of EXTRA_CONSTRAINT_C16.
12817 2006-01-07 Ian Lance Taylor <ian@airs.com>
12818 David Edelsohn <edelsohn@gnu.org>
12820 PR rtl-optimization/25662
12821 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12822 for constant operands instead of simplify_gen_binary.
12823 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12824 after trying simplify_binary_operation
12826 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12828 * tree.c (iterative_hash_expr): Hash decls based on UID.
12830 2006-01-06 Eric Christopher <echristo@apple.com>
12832 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12833 (TARGET_UNWIND_EMIT): Fix spelling.
12834 * target.h (gcc_target): Add except_table_label.
12835 * except.c (output_function_exception_table): Use.
12836 * varasm.c (default_emit_except_table_label): New.
12837 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12839 (asm_out): Add here.
12840 * output.h (default_emit_except_table_label): Prototype.
12841 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12842 * config/darwin.c (darwin_emit_except_table_label): Define.
12843 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12845 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12847 PR tree-optimization/18527
12848 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12849 number_of_iterations_special, number_of_iterations_exit):
12850 Move base and step of an iv to a single structure. Add
12851 no_overflow flag, and use it in # of iterations analysis.
12852 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12853 folded_casts argument.
12854 (simple_iv): Pass base and step in a structure. Set no_overflow
12856 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12857 Evaluate expensiveness of computing # of iterations instead of
12858 the final expression.
12859 * tree-scalar-evolution.h (affine_iv): New structure.
12860 (simple_iv): Declaration changed.
12861 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12862 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12863 find_givs_in_stmt): Changed due to simple_iv change.
12865 2006-01-06 Jeff Law <law@redhat.com>
12868 * tree-cfg.c (bsi_replace): Rename final argument from
12869 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12870 change (stmt -> orig_stmt).
12871 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12872 (bsi_remove): Add new argument. Remove EH information
12874 (verify_eh_throw_table_statements): New function.
12875 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12877 * tree-optimize.c (execute_free_cfg_annotations): Verify
12878 the EH throw statement table after removing annotations.
12879 * except.h (verify_eh_throw_table_statements): Prototype.
12880 * tree-flow.h (bsi_remove): Update prototype.
12881 * tree-vrp.c (remove_range_assertions): Add new argument to
12883 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12884 * tree-complex.c (expand_complex_div_wide): Likewise.
12885 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12886 * tree-tailcall.c (eliminate_tailcall): Likewise.
12887 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12888 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12889 * tree-nrv.c (tree_nrv): Likewise.
12890 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12891 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12892 (combine_blocks): Likewise.
12893 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12894 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12895 (cleanup_control_flow): Likewise.
12896 (remove_forwarder_block): Likewise.
12897 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12898 * tree-sra.c (sra_replace): Likewise.
12899 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12900 (forward_propagate_single_use_vars): Likewise.
12901 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12902 * tree-inline.c (expand_call_inline): Likewise.
12903 * tree-vect-transform.c (vect_transform_loop): Likewise.
12904 * tree-outof-ssa.c (rewrite_trees): Likewise.
12905 * tree-cfg.c (make_goto_expr_edges): Likewise.
12906 (cleanup_dead_labels): Likewise.
12907 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12908 (bsi_move_before, bsi_move_after): Likewise.
12909 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12910 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12912 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12915 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12917 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12918 on non gimple variables. Also add checks at the top for decls and
12920 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12922 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12923 and IMAGPART_EXPR for creating MUST_DEFs.
12924 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12925 and NAME_MEMORY_TAG separately from the DECLs.
12927 2006-01-06 Richard Guenther <rguenther@suse.de>
12929 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12930 annotation, if necessary.
12931 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12932 redundant calls to update_stmt.
12933 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12936 2006-01-05 Richard Henderson <rth@redhat.com>
12938 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12940 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12942 * c-typeck.c: Update copyright date.
12944 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12946 * c-typeck.c (build_c_cast): Always warn when casting
12947 from a pointer to an integer of different size, even if
12948 the node was constant.
12950 2006-01-05 Richard Guenther <rguenther@suse.de>
12952 PR tree-optimization/22555
12953 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12954 if one structure field is an array.
12955 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12956 operands even if we found a subvar, but ignore VOPs in this
12958 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12960 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12962 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12964 PR middle-end/24998
12965 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12967 2006-01-05 Richard Guenther <rguenther@suse.de>
12968 Diego Novillo <dnovillo@redhat.com>
12970 * tree-pass.h (TODO_remove_unused_locals): Define.
12971 * gimple-low.c (expand_var_p, remove_useless_vars,
12972 pass_remove_useless_vars): Remove. Update all users.
12973 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12974 (remove_unused_locals): New function.
12975 * tree-flow.h (remove_unused_locals): Declare.
12976 * passes.c (execute_todo): Call remove_unused_locals if
12977 TODO_remove_unused_locals is set.
12978 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12979 * tree-ssa-dce.c (pass_dce): Likewise.
12980 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12982 2006-01-05 Richard Guenther <rguenther@suse.de>
12984 * tree-flow.h (struct fieldoff): Decompose field to
12985 type, size and decl.
12986 * tree-ssa-alias.c (create_sft): Take type as parameter.
12987 (create_overlap_variables_for): Store type, size and decl
12988 in the fieldoff structure.
12989 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12990 of struct fieldoff.
12991 (push_fields_onto_fieldstack): Likewise.
12992 (create_variable_info_for): Likewise. Use offset for the
12993 SFT name if the decl is not available.
12995 2006-01-04 Paul Brook <paul@codesourcery.com>
12997 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12999 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13001 * lambda-code.c (can_put_in_inner_loop): Relax
13003 (can_put_after_inner_loop): New function.
13004 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13005 (perfect_nestify): Change to make copies and modify uses.
13007 2006-01-04 Richard Henderson <rth@redhat.com>
13009 Merge from gomp branch:
13010 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13011 via integer constant.
13012 (pragma_lex): Remove.
13013 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13014 rather than parsing it.
13015 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13016 handle_pragma_extern_prefix): Add %< %> quotes.
13017 (registered_pragmas): New.
13018 (c_register_pragma_1): New.
13019 (c_register_pragma): Use it.
13020 (c_register_pragma_with_expansion): Likewise.
13021 (c_invoke_pragma_handler): New.
13022 (init_pragma): Use cpp_register_deferred_pragma directly for
13024 * c-pragma.h (enum pragma_kind): New.
13025 (pragma_handler): New.
13026 (c_invoke_pragma_handler): Declare.
13027 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13029 * c-common.h (c_common_pch_pragma): Update decl.
13030 * Makefile.in (c-parser.o): Update dependencies.
13031 (GTFILES): Add c-pragma.h.
13032 * c-parser.c (struct c_token): Add pragma_kind.
13033 (struct c_parser): Add in_pragma.
13034 (c_lex_one_token): Always initialize keyword and pragma_kind.
13035 Extract data for CPP_PRAGMA.
13036 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13037 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13038 Don't allow CPP_PRAGMA_EOL if in_pragma.
13039 (c_parser_consume_pragma): New.
13040 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13041 (c_parser_skip_to_end_of_parameter): Likewise.
13042 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13043 (c_parser_skip_to_pragma_eol): New.
13044 (c_parser_external_declaration): Handle CPP_PRAGMA.
13045 (c_parser_compound_statement_nostart): Likewise.
13046 (c_parser_statement_after_labels): Likewise.
13047 (c_parser_pragma): New.
13048 (pragma_lex): Likewise.
13049 (c_parser_pragma_pch_preprocess): New.
13050 (c_parser_new): Merge into ...
13051 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13053 2006-01-04 Jeff Law <law@redhat.com>
13056 * tree-cfg.c (bsi_replace): Remove the original statement
13057 from the EH throw statement table.
13059 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13061 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13062 make the prototype extern "C" and add throw ().
13065 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13066 and pos non-negative and pos + len <= 32.
13067 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13068 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13069 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13072 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13073 as well as sizes not multiple of component size.
13076 * function.c (instantiate_expr): New function.
13077 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13078 walk its DECL_VALUE_EXPR with instantiate_expr.
13080 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13081 DW_OP_deref{,_size} if address isn't going to be added.
13083 2006-01-04 Ben Elliston <bje@au.ibm.com>
13085 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13086 * config/fp-bit.c: Likewise.
13088 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13090 * dominance.c: Add comment about why we use DFS numbering
13093 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13094 Richard Henderson <rth@redhat.com>
13096 Merge from gomp-branch:
13097 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13098 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13100 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13102 PR rtl-optimization/25578
13103 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13104 pass a parameter to simplify_shift_const if changing ASHIFTRT
13107 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13109 * builtins.c (get_builtin_sync_mem): New function.
13110 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13111 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13112 Call get_builtin_sync_mem to generate mem rtx.
13114 2006-01-03 Richard Guenther <rguenther@suse.de>
13117 * stmt.c (add_case_node): Make sure to clear overflow flags
13120 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13122 Merge from gomp-branch.
13123 * config/sparc/sync.md: New file.
13124 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13125 UNSPECV_LDSTUB): New constants.
13126 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13127 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13128 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13131 2006-01-03 Roger Sayle <roger@eyesopen.com>
13133 * combine.c (reg_subword_p): New predicate to test whether the
13134 destination of a set refers to a subword/piece of a register.
13135 (try_combine): Generalize the code to merge the setting of a
13136 pseudo to a constant followed by a set of a subword of that
13137 register to a constant.
13139 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13141 * basic-block.h (control_flow_graph): Change the type of
13142 x_label_to_block_map to VEC(basic_block,gc) *.
13143 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13144 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13146 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13147 VEC(basic_block,heap) *.
13148 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13149 ssa_prop_fini): Adjust the uses of cfg_blocks.
13151 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13153 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13155 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13156 hashing trees instead of a pointer hash.
13157 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13158 compare for MEM_EXPR.
13160 PR rtl-optimization/25130
13161 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13162 when comparing MEMs for GCSE
13164 2006-01-03 Ben Elliston <bje@au.ibm.com>
13166 * targhooks.h (default_decimal_float_supported_p): Declare.
13167 * targhooks.c (default_decimal_float_supported_p): Define.
13168 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13169 `default_decimal_float_supported_p'.
13170 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13172 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13174 * combine.c (apply_distributive_law <SUBREG>): Check
13175 TRULY_NOOP_TRUNCATION.
13177 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13179 * dwarf2out.c (have_switched_text_section): Delete.
13180 (have_multiple_function_sections): New.
13181 (have_location_lists): Make 'bool'.
13182 (add_AT_loc_list): Use 'true' not '1'.
13183 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13184 (output_loc_list): Use have_multiple_function_sections.
13185 (output_ranges): Likewise.
13186 (dwarf2out_begin_function): Set have_multiple_function_sections if
13188 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13189 Check function_section rather than DECL_SECTION_NAME.
13190 (dwarf2out_finish): Use have_multiple_function_sections.
13191 Don't clear have_location_lists.
13193 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13194 Jan Hubicka <jh@suse.cz>
13196 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13197 case of conditional jump jumping to the next instruction.
13198 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13199 cases of conditional jump jumping to the next instruction.
13201 2006-01-02 Jan Hubicka <jh@suse.cz>
13203 * i386.c (*_cost): Add COSTS_N_INSNS.
13204 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13206 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13209 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13211 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13213 * config/arm/arm.c (all_fpus): Fix comment typo.
13214 * config/darwin.c: Likewise.
13215 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13216 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13217 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13219 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13221 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13222 (rs6000_split_compare_and_swapqhi): New.
13223 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13224 (sync_compare_and_swapqhi_internal): New.
13225 * config/rs6000/rs6000-protos.h: Declare.