1 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4 * tree.h (dump_addr): Declare.
5 * print-tree.c (dump_addr): New function.
6 (print_node_brief, print_node): Use it.
7 * print-rtl.c (print_rtx): Likewise.
8 * common.opt (-fdump-noaddr): New option.
9 * doc/invoke.texi (-fdump-noaddr): Document.
10 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
11 (ve_info_hash): Likewise.
13 2006-07-13 Andrew Haley <aph@redhat.com>
15 PR tree-optimization/19505
16 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
17 edge leaving this block, make sure that the destination of this
18 block has only one predecessor.
20 2006-07-17 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/28238
23 * tree-inline.c (copy_bb): Check if we produced valid
24 gimple copying and substituting a stmt. If not, gimplify
27 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
29 * optabs.c (maybe_encapsulate_block): New function extracted from...
30 (emit_libcall_block): ...here. Invoke it on the block of insns to
31 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
32 (emit_no_conflict_block): Likewise.
34 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
36 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
38 2006-07-15 Roger Sayle <roger@eyesopen.com>
40 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
41 a new NOP_EXPR case of the switch statement.
43 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
46 * stor-layout.c (place_field): Take the bit field with
47 an excessive size into account in the ms-bitfiled case.
50 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
51 the previous bit field.
53 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
56 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
58 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
60 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
61 signal frames correctly even when the signal was installed with
64 2006-07-14 Carlos O'Donell <carlos@codesourcery.com
66 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
67 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
68 (dbxout_source_line): Use local label LFBB.
69 (dbxout_block): Likewise.
70 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
71 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
72 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
75 2006-07-13 Janis Johnson <janis187@us.ibm.com>
77 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
79 2006-07-13 Jan Hubicka <jh@suse.cz>
81 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
83 * output.h (align_variable): Declare.
84 * varasm.c (align_variable): Export.
85 * value-prof.c (tree_value_profile_transformations): Recompute iterator
86 when basic block changed.
88 2006-07-13 Nick Clifton <nickc@redhat.com>
90 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
91 walking the LOG_LINKS chain.
93 2006-07-12 Geoffrey Keating <geoffk@apple.com>
95 * doc/invoke.texi (C++ Dialect Options): Explain difference
96 between -fvisibility-inlines-hidden and setting hidden
97 visibility explicitly.
99 2006-07-12 Eric Christopher <echristo@apple.com>
101 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
102 (stmp-lipo): Depend on libgcc.a.
104 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
106 * tree.c: Fix a comment typo.
108 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
110 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
112 (umulhisi3_r): Likewise.
114 2006-07-12 Paolo Carlini <pcarlini@suse.de>
117 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
118 x < 19, vs wchar_t support.
120 2006-07-12 Nick Clifton <nickc@redhat.com>
122 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
125 2006-07-12 Mike Stump <mrs@apple.com>
127 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
129 2006-07-10 Eric Christopher <echristo@apple.com>
131 * config/t-slibgcc-darwin: Rewrite.
133 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
136 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
139 2006-07-08 Matthias Klose <doko@debian.org>
141 * doc/sourcebuild.texi: Fix typo.
143 2006-07-07 Mike Stump <mrs@apple.com>
145 * toplev.c (process_options): Don't give -ffunction-sections may
146 affect debugging warning for Mach-O.
148 2006-07-07 James E Wilson <wilson@specifix.com>
150 * config/mips/mips.md (cpu): Add sb1a.
151 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
152 addition to sb1. Adjust comments to clarify SB-1A differences from
154 (ir_sb1a_load): New. Modify bypasses to use it.
155 (ir_sb1a_simple_alu): Likewise.
156 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
157 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
158 (mips_issue_rate): Add PROCESSOR_SB1A.
159 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
160 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
161 (TARGET_SB1): Add PROCESSOR_SB1A check.
162 (TUNE_SB1): Likewise.
164 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
165 * config/mips/mips.c (mips_store_data_bypass_p): New.
166 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
169 2006-07-08 Paul Brook <paul@codesourcery.com>
172 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
174 2006-07-07 Richard Guenther <rguenther@suse.de>
177 * tree.h (build_one_cst): Declare.
178 * tree.c (build_one_cst): New function.
179 * tree-ssa-math-opts.c (get_constant_one): Remove.
180 (insert_reciprocals): Use build_one_cst.
181 * fold-const.c (fold_plusminus_mult): Likewise.
183 2006-07-07 Roger Sayle <roger@eyesopen.com>
185 * pointer-set.c (pointer_set_destroy): Correct whitespace.
186 * cfgloopanal.c (dump_graph): Likewise.
187 * dojump.c (discard_pending_stack_adjust): Likewise.
188 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
190 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
191 * function.c (finalize_block_changes): Likewise.
192 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
193 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
194 * rtl.c (dump_rtx_statistics): Likewise.
195 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
197 * varray.c (dump_varray_statistics): Likewise.
198 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
199 decode_decimal64, encode_decimal128, decode_decimal128,
200 decimal_real_to_decimal): Likewise.
202 2006-07-07 Richard Guenther <rguenther@suse.de>
204 PR tree-optimization/28187
205 * tree-vrp.c (vrp_operand_equal_p): New function.
206 (vrp_bitmap_equal_p): Likewise.
207 (update_value_range): Use them to compare old and new
210 2006-07-06 Roger Sayle <roger@eyesopen.com>
212 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
213 a default case to switch statement to silence compiler warnings.
215 2006-07-06 Roger Sayle <roger@eyesopen.com>
218 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
219 the configured assembler supports the x87's ffreep mnemonic.
220 * configure: Regenerate.
221 * config.in: Regenerate.
223 * config/i386/i386.c (output_387_ffreep): New function.
224 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
225 (output_387_reg_move): Likewise.
227 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
229 Port to hosts whose 'sort' and 'tail' implementations
230 treat operands with leading '+' as file names, as POSIX
231 has required since 2001. However, make sure the code still
232 works on pre-POSIX hosts.
233 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
234 which says you should use "tail -c +N" rather than "tail +Nc".
235 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
237 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
239 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
242 2006-07-06 David Edelsohn <edelsohn@gnu.org>
245 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
246 PRE_{INC,DEC} of TFmode.
248 2006-07-06 David Edelsohn <edelsohn@gnu.org>
249 Alan Modra <amodra@bigpond.net.au>
252 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
255 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
258 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
259 Remove duplicate gtu.
261 2006-07-05 Jason Merrill <jason@redhat.com>
265 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
266 * c-common.c (handle_packed_attribute): So don't copy it here.
267 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
269 2006-07-05 Mike Stump <mrs@apple.com>
271 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
273 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
276 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
278 2006-07-05 Richard Guenther <rguenther@suse.de>
281 * config/i386/i386.md (*negdf2_1): Restrict pattern to
282 TARGET_SSE2 targets if using SSE math.
283 (*absdf2_1): Likewise.
285 2006-07-05 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/28162
288 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
289 make sure to convert the operands to the correct type.
291 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
293 PR tree-optimization/28218
295 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
296 to calculate and free the dominator information.
298 2006-07-04 Peter O'Gorman <peter@pogma.com>
300 * mklibgcc.in: chmod 644 before ranlib during install.
302 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
303 J"orn Rennecke <joern.rennecke@st.com>
305 * configure.ac (.eh_frame data check): Use diff -b.
307 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
310 * Makefile.in (BUILD_RTL): Add build/vec.o.
311 (build/gencondmd.o): Filter out -fkeep-inline-functions.
312 (build/genextract): Delete.
313 (build/genautomata): Likewise.
315 2006-07-04 Alan Modra <amodra@bigpond.net.au>
318 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
319 128-bit IBM long doubles for ABI_V4.
321 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
323 * tree.c (range_in_array_bounds_p): New predicate.
324 * tree.h (range_in_array_bounds_p): Declare it.
325 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
326 return a less conservative answer.
327 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
329 (IS_ELEMENT_FOR_GROUP): New macro.
330 (FOR_EACH_ACTUAL_CHILD): Likewise.
331 (next_child_for_group): New helper function.
332 (can_completely_scalarize_p): Take into account groups.
333 (sra_hash_tree): Handle RANGE_EXPR.
334 (sra_elt_eq): Likewise.
335 (lookup_element): Be prepared for handling groups.
336 (is_valid_const_index): Delete.
337 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
338 instead of is_valid_const_index.
339 <ARRAY_RANGE_REF>: New case.
340 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
341 is_valid_const_index.
342 <ARRAY_RANGE_REF>: Do not unconditionally punt.
343 (scan_dump): Dump info for groups too.
344 (decide_instantiation_1): Likewise.
345 (decide_block_copy): Assert that the element is not a group.
346 Propagate decision to groups.
347 (generate_one_element_ref): Handle RANGE_EXPR.
348 (mark_no_warning): Iterate over actual childs.
349 (generate_copy_inout): Likewise.
350 (generate_element_copy): Likewise.
351 (generate_element_zero): Likewise.
352 (generate_element_init_1): Likewise.
353 (dump_sra_elt_name): Handle RANGE_EXPR.
355 2006-07-03 Roger Sayle <roger@eyesopen.com>
357 PR tree-optimization/26251
358 * tree-ssa-threadupdate.c (redirection_block_p): New function.
359 (thread_block): When optimizing for size refuse to thread jumps
360 that would require duplication of blocks other than redirection
363 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
365 * configure.ac: Fix thinko in previous check-in.
366 * configure: Regenerate.
368 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
371 * configure.ac (for lang...): Simplify nesting of conditionals.
372 Test subdir_requires for non-enabled languages. Move processing
373 of lang_opt_files and lang_tree_fiels below that test.
374 * configure: Regenerate.
375 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
377 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
379 * doc/gcov.texi (Invoking Gcov): Add a missing word.
381 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
383 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
386 2006-06-29 Jason Merrill <jason@redhat.com>
393 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
394 * c-common.c (c_determine_visibility): Handle it here.
395 * c-decl.c (finish_decl): Call c_determine_visibility for
397 * flags.h (enum symbol_visibility): Sort from most to least visibility.
399 * varasm.c (default_assemble_visibility): Likewise.
400 * c-common.c (handle_visibility_attribute): Complain about trying
401 to give visibility to an already defined class, or trying to change
402 declared visibility. Always attach the attribute.
407 * attribs.c (decl_attributes): Ignore type-in-place attributes
408 once the type has been defined.
410 2006-06-29 Roger Sayle <roger@eyesopen.com>
413 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
414 to indicate the cpplib has issued an error message for us.
416 2006-06-29 Asher Langton <langton2@llnl.gov>
419 * config/i386/i386.c (ix86_output_function_epilogue): Don't
420 insert a label at the end of an function under Mach-O.
422 2006-06-29 Eric Christopher <echristo@apple.com>
423 Evan Cheng <evan.cheng@apple.com>
425 * predicates.md (vector_all_ones_operand): New.
426 (nonimmediate_or_sse_const_operand): Ditto.
427 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
428 * config/i386/i386.c (standard_sse_constant_opcode): Define.
429 (standard_sse_mode_p): Ditto.
430 (standard_sse_constant_p): Add case for -1 vector.
431 (ix86_expand_vector_move): Try to use.
432 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
433 Call standard_sse_constant_opcode.
434 (*movv4sf_internal): Ditto.
435 (*movv2df_internal): Ditto.
437 2006-06-29 Roger Sayle <roger@eyesopen.com>
439 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
440 of XEXP to extract the operands of a MATCH_CODE rtx.
442 2006-06-28 Andrew Pinski <pinskia@gmail.com>
444 * tree.c (tree_size): Do not waste tail padding in
445 struct tree_string and make the size be the same as
446 build_string will generate.
448 2006-06-28 Jason Merrill <jason@redhat.com>
451 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
452 may_aliases already in the tag's annotations to the bitmap.
454 2006-06-28 Roger Sayle <roger@eyesopen.com>
456 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
458 2006-06-28 Roger Sayle <roger@eyesopen.com>
460 * genpreds.c (generate_switch_p): New function.
461 (add_mode_tests): Push the new mode test down inside an AND expr
462 if this allows the switch-suitable MATCH_CODE to be near the root.
463 (write_match_code_switch): New function to write a MATCH_CODE as
465 (write_predicate_stmts): New function to write a predicate RTX
466 expression as a sequence of statements.
467 (write_one_predicate_function): Use write_predicate_stmts.
468 (write_tm_constrs_h): Likewise.
470 2006-06-26 Fred Fish <fnf@specifix.com>
472 * config/mips/t-sb1: New file.
473 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
476 2006-06-26 DJ Delorie <dj@redhat.com>
478 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
480 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
481 Jayant Sonar <jayants@kpitcummins.com>
482 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
484 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
485 (subsi3, subsi3_1, subsi3_2): New.
486 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
487 * config/m32c/mov.md (SI mov peephole): New.
488 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
489 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
491 2006-06-26 Olivier Hainque <hainque@adacore.com>
493 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
494 a CALL_EXPR target function declaration.
496 2006-06-26 Richard Guenther <rguenther@suse.de>
498 * tree.c (build_string): Do not waste tail padding in
501 2006-06-26 Richard Guenther <rguenther@suse.de>
503 * ggc-page.c (init_ggc): Add missing element to size_lookup
507 2006-06-23 Richard Guenther <rguenther@suse.de>
509 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
510 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
511 alignment requests instead. Add verification code.
512 Add struct tree_function_decl and struct tree_binfo size to
513 extra_order_size_table. Add missing element to size_lookup
516 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
519 * fold-const.c (const_binop): Be prepared for self returning zero.
520 Simplify code handling complex values.
522 2006-06-24 Olivier Hainque <hainque@adacore.com>
524 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
525 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
528 2006-06-24 Olivier Hainque <hainque@adacore.com>
530 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
531 ARRAY_REF, so have the callback called for the low bound expression.
533 2006-06-23 Janis Johnson <janis187@us.ibm.com>
535 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
536 * c-typeck.c (c_common_type): Disallow operations on decimal float
537 types and other float types.
538 * convert.c (convert_to_real): Don't ignore conversions involving
541 2006-06-23 Olivier Hainque <hainque@adacore.com>
543 * tree.c (max_int_size_in_bytes): New function, inspired from
544 code in function.c:assign_temp.
545 * tree.h (max_int_size_in_bytes): Declare.
546 * function.c (assign_temp): Use it.
547 * gimplify.c (create_tmp_var): Relax the assertions on the type
548 properties, not mandating constant size any more.
549 (force_constant_size): New static function.
550 (gimple_add_tmp_var): Use it, forcing variable size to a
551 constant upper bound if it is not constant on entry.
553 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
556 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
557 for initialization and setting of one_only flag to ...
558 (i386_pe_encode_section_info): ...here.
559 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
560 Recheck that the symbol has not been defined.
562 2006-06-23 Richard Guenther <rguenther@suse.de>
564 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
565 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
566 alignment requests instead. Add verification code.
567 Add struct tree_function_decl and struct tree_binfo size to
568 extra_order_size_table. Add missing element to size_lookup
571 2006-06-22 Roger Sayle <roger@eyesopen.com>
572 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
575 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
576 call to lang_hooks.types.type_for_mode returned NULL_TREE.
578 2006-06-23 Ben Elliston <bje@au.ibm.com>
580 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
581 negate dn -- manipulate it directly.
583 2006-06-22 Roger Sayle <roger@eyesopen.com>
584 Steven Bosscher <stevenb.gcc@gmail.com>
587 * reload1.c (gen_reload): Call mark_jump_label on the new insns
588 generated by gen_move_insn to add REG_LABEL notes if necessary.
590 2006-06-22 Bob Wilson <bob.wilson@acm.org>
592 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
593 (leaf_entry): Remove use of MIN_ESA.
595 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
597 PR rtl-optimization/28121
598 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
601 2006-06-21 DJ Delorie <dj@redhat.com>
603 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
605 (mulhisi3_r): Likewise.
607 2006-06-21 Richard Sandiford <richard@codesourcery.com>
610 * coverage.c (coverage_counter_alloc): Leave the index type
612 (coverage_counter_alloc): Use null arguments for operands 2 and 3
615 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
617 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
618 section from the "Options for Code Generation Conventions".
620 2006-06-21 Richard Henderson <rth@redhat.com>
624 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
626 (global_symbolic_operand): Allow weak symbols, even if local_p.
628 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
630 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
631 (find_interesting_uses_address): Punt if above function returns true.
633 2006-06-21 Richard Guenther <rguenther@suse.de>
635 * configure: Regenerated.
637 2006-06-21 Joseph Myers <joseph@codesourcery.com>
639 * config/mips/mips.c (function_arg): Where one part of a
640 complex argument is in registers and the other part in the stack,
641 return a REG not a PARALLEL.
643 2006-06-21 Mark Mitchell <mark@codesourcery.com>
645 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
646 when cross-compiling. Do not substitute libstdcxx_incdir.
647 * configure: Regenerated.
649 2006-06-21 Jakub Jelinek <jakub@redhat.com>
651 * varasm.c (mergeable_string_section): Check for embedded NULs and
652 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
653 rather than TREE_STRING_LENGTH bytes.
655 2006-06-21 Richard Guenther <rguenther@suse.de>
657 * ggc-page.c (extra_order_size_table): Add var_ann_d,
658 tree_ssa_name, bitmap_element and phi_node with 4 arguments
661 2006-06-21 Richrad Guenther <rguenther@suse.de>
663 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
664 Limit iteration over the dominators.
666 2006-06-20 Roger Sayle <roger@eyesopen.com>
668 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
669 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
671 2006-06-20 Richard Guenther <rguenther@suse.de>
672 Michael Matz <matz@suse.de>
674 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
676 * alloc-pool.c (free_alloc_pool_if_empty): New function.
677 * et-forest.h (et_free_pools): Prototype new function.
678 * et-forest.c (et_free_tree_force): Free parent occurrence.
679 (et_free_pools): New function.
680 * dominance.c (free_dominance_info): Free et-forest alloc
683 2006-06-20 Roger Sayle <roger@eyesopen.com>
685 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
686 integer modes, attempt to directly construct an integer constant.
688 * fold-const.c (native_encode_vector): Determine the size of each
689 element from the vector type instead of the first vector element.
691 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
692 if all of its elements/components are constant.
693 (build_constructor_from_list): Likewise.
695 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
697 PR tree-optimization/27331
698 * tree-data-ref.c (free_data_ref): New function.
699 (create_data_ref): Fail if the data reference has unknown access
701 (free_data_refs): Use free_data_ref.
703 2006-06-19 Andrew Pinski <pinskia@gmail.com>
706 * tree-inline.c (setup_one_parameter): Strip useless
707 type conversion before adding it to the IR.
708 (declare_return_variable): Likewise.
710 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
713 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
715 2006-06-19 Mike Stump <mrs@apple.com>
717 * tree.c (variably_modified_type_p): VM arguments don't make the
720 2006-06-19 Richard Guenther <rguenther@suse.de>
722 * tree-ssa-pre.c (try_combine_conversion): Strip useless
723 type conversions after folding.
725 2006-06-19 Richard Guenther <rguenther@suse.de>
727 * ggc-page.c (extra_order_size_tab): Add entries with
728 size of struct function and basic_block.
729 (size_lookup): Extend to cover sizes up to 511.
730 (ggc_alloc_stat): Adjust user.
731 (ggc_pch_count_object): Likewise.
732 (ggc_pch_alloc_object): Likewise.
733 (ggc_pch_write_object): Likewise.
735 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
737 * tree-ssa-loop-niter.c (implies_ge_p): New function.
738 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
741 2006-06-19 Denis Chertykov <denisc@overta.ru>
743 * config/avr/libgcc.S : Correct my wrong previous commit.
745 2006-06-19 Roger Sayle <roger@eyesopen.com>
748 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
749 have stripped a SUBREG from the shift count, so we may need to
750 convert_to_mode back to the type's mode before calling make_tree.
751 Use new_amount instead of amount to avoid expanding a tree twice.
753 2006-06-19 Richard Guenther <rguenther@suse.de>
756 * fold-const.c (operand_equal_p): Check if the argument types
757 have the same precision before stripping NOPs.
759 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
761 Fix PR tree-optimization/27341
762 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
764 * tree-complex.c (pass_lower_complex): Update SMT usage.
766 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
768 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
769 Add a new alternative to the constraint strings. Add move of
770 operand 1 to 3 to the splitter definition.
771 ("doloop_si_long"): Second contraint alternative removed.
773 2006-06-08 Anatoly Sokolov <aesok@post.ru>
775 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
776 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
778 (AVR_HAVE_MOVW) Define.
779 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
780 (ASM_SPEC): Add avr25.
781 (LINK_SPEC): Add avr25.
782 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
783 (base_arch_s): Add new member 'have_movw_lpmx'.
784 (avr_arch_types): Init 'have_movw_lpmx'.
785 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
786 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
787 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
788 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
789 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
791 (avr_file_start): Do not output '.arh' derective.
792 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
793 (__do_copy_data): Use __AVR_HAVE_LPMX__.
794 * config/avr/avr.md (mcu_enhanced): Delete.
795 (mcu_have_movw): Define.
796 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
797 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
798 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
799 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
800 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
801 attiny861 and at86rf401 devices.
803 2006-06-18 Jie Zhang <jie.zhang@analog.com>
805 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
808 2006-06-17 Karl Berry <karl@gnu.org>
810 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
811 doc/gccint.texi, doc/install.texi (@dircategory): Use
812 "Software development" instead of "Programming", following
813 the Free Software Directory.
815 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
817 * config/i386/i386.c (legitimate_tls_address)
818 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
819 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
820 (*tls_dynamic_gnu2_combine_64): Likewise.
822 2006-06-16 Richard Guenther <rguenther@suse.de>
825 * fold-const.c (negate_expr_p): Do not introduce undefined
826 overflow in negating INTEGER_CSTs.
827 (fold_negate_expr): Rename from negate_expr. Revert last
828 change for folding BIT_NOT_EXPR. Change semantics to
829 return NULL_TREE for non-simplified negations. Do not
830 strip type conversions and unify type handling.
831 (negate_expr): New function, wrap around fold_negate_expr
832 but ensure building a tree always. Strip type conversions
833 here, fold to result type.
834 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
836 2006-06-16 Roger Sayle <roger@eyesopen.com>
839 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
840 that (would) return their results in stack registers.
842 2006-06-16 Michael Matz <matz@suse.de>
843 Richard Guenther <rguenther@suse.de>
845 * fold-const.c (fold_truthop): Only return new tree node if
846 we canonicalized something.
848 2006-06-16 Richard Guenther <rguenther@suse.de>
850 * function.h (enum function_frequency): Move declaration
851 out of struct function.
852 (struct function): Move bool fields and the enum to the bitfield
853 section. Reorder elements to avoid padding. Remove unused
854 fields left over from the RTL inliner removal.
855 * function.c (free_after_compilation): Do not zero removed fields.
856 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
857 (ipa-type-escape.o): Likewise.
859 2006-06-16 Richard Guenther <rguenther@suse.de>
861 * cgraph.h (struct cgraph_local_info): Turn bool elements
863 (struct cgraph_node): Likewise.
864 (struct cgraph_varpool_node): Likewise.
866 2006-06-15 Richard Guenther <rguenther@suse.de>
868 * fold-const.c (fold_truth_not_expr): Rename from
869 invert_truthvalue. Give it fold_* semantics to avoid
871 (invert_truthvalue): New function. Wrapper around
873 (optimize_minmax_comparison): Avoid creating garbage.
874 (fold_unary): Use fold_truth_not_expr for folding
876 (fold_ternary): Replace uses of invert_truthvalue with
877 fold_truth_not_expr where applicable.
878 * tree.h (fold_truth_not_expr): Prototype.
880 2006-06-16 Richard Guenther <rguenther@suse.de>
882 PR tree-optimization/27781
883 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
884 * ipa-pure-const.c (target.h): Include.
885 (analyze_function): Do not analyze functions that do not
888 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
891 * tree-dfa.c (referenced_vars_dup_list): Remove.
892 (find_referenced_vars): Remove assert.
893 (referenced_var_check_and_insert): Replace dup list with assert.
894 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
895 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
897 2006-06-15 Richard Guenther <rguenther@suse.de>
899 * tree-ssa-structalias.c (alias_get_name): Avoid creating
900 extra unused identifiers if not dumping.
901 (create_variable_info_for): Likewise.
903 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
905 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
906 (derive_constant_upper_bound): Derive more precise upper bound in
907 common cases. Return type changed to double_int.
908 (record_estimate): Reflect the changed return type of
909 derive_constant_upper_bound.
910 * double-int.c (double_int_zext, double_int_sext): Fix.
912 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
914 * configure.ac (CFLAGS): Get them from the toplevel or from the
915 configure invocation.
916 * configure: Regenerate.
917 * Makefile.in (CFLAGS): Substitute value provided by configure.
919 2006-06-14 Mark Mitchell <mark@codesourcery.com>
922 * c-common.h (c_finish_omp_atomic): Adjust declaration.
923 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
924 rather than calling add_stmt on it.
925 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
927 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
930 * reload1.c (reload): Remove registers returned by update_eliminables
931 from used_spill_regs.
933 2006-06-13 DJ Delorie <dj@redhat.com>
935 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
937 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
939 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
940 html__strip_dir, html__mkdir_p. Enhance install-html target.
941 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
942 * configure: Regenerate.
944 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
946 * fold-const.c (fold_cond_expr_with_comparison): Check for
947 Objective-C++ as language in deciding COND_EXPR transformation.
949 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
952 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
953 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
954 * config/sh/lib1funcs.h (SL, SL1): Define.
955 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
956 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
957 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
958 (OBJS_Os_4_200): New variable.
959 ($(T)libgcc-Os-4-200.a): Use it.
960 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
961 when dividing 1 and/or by 0.
963 2006-06-13 Roger Sayle <roger@eyesopen.com>
965 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
966 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
967 * configure: Regenerate.
969 2006-06-13 Jie Zhang <jie.zhang@analog.com>
971 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
972 for real instruction.
974 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
977 * haifa-sched.c (check_cfg): Handle special case.
979 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
982 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
983 Add debug_info parameter. Chain the vars to the BLOCK instead
984 of the BIND_EXPR if debug info are requested for them.
985 (pop_gimplify_context): Adjust for above change.
986 (gimple_add_tmp_var): Likewise.
987 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
989 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
990 (convert_local_reference): Likewise.
991 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
992 (finalize_nesting_tree_1): Request that debug info be emitted
995 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
997 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1000 2006-06-13 Richard Guenther <rguenther@suse.de>
1003 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1005 2006-06-13 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/27830
1008 * tree-inline.c (copy_body_r): For copying the operand
1009 of an ADDR_EXPR make sure to fold &* afterwards.
1011 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1013 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1014 lvalues in the fb_none case with side-effects.
1016 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1018 * tree-flow.h: Remove the prototype for
1019 compute_phi_arg_on_exit.
1020 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1021 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1024 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1026 * builtins.c (expand_builtin_return_addr): Only use
1027 frame_pointer_rtx when count == 0 and we are expanding
1028 __builtin_return_address.
1030 2006-06-12 Fred Fish <fnf@specifix.com>
1032 * config/mips/mips.c (mips_file_start): Create special section
1033 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1035 2006-06-11 Eric Christopher <echristo@apple.com>
1038 * stor-layout.c (place_field): Remove check for
1039 remaining_in_alignment when aligning at the end of a run.
1041 2006-06-11 Eric Christopher <echristo@apple.com>
1044 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1047 2006-06-11 Roger Sayle <roger@eyesopen.com>
1050 Revert incorrect fix for PR target/27158
1051 2006-05-08 Roger Sayle <roger@eyesopen.com>
1052 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1053 of a reg_equiv_constant if the result is a legitimate constant.
1055 2006-06-11 Roger Sayle <roger@eyesopen.com>
1058 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1059 extract a CONST_VECTOR element and interpret it as an integer.
1060 (vspltis_constant): Use const_vector_elt_as_int instead of the
1061 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1062 * config/rs6000/predicates.md (easy_vector_const): Consider
1063 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1065 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1068 * stor-layout.c (update_alignment_for_field): Don't add extra
1069 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1072 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1074 * config/mips/t-rtems: Add EL/EB multilib variants.
1076 2006-06-09 Mike Stump <mrs@apple.com>
1078 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1080 2006-06-09 David Daney <ddaney@avtrex.com>
1082 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1084 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1086 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1088 2006-06-09 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/26998
1091 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1092 of signed types, only TYPE_MIN_VALUE is special, but for both,
1093 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1094 in this case, as is -fwrapv.
1096 2006-06-08 Mike Stump <mrs@apple.com>
1099 * config/darwin.c (darwin_asm_output_anchor): Disable
1100 -fsection-anchors on darwin for now.
1101 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1102 * rs6000/rs6000.c (optimization_options): Likewise.
1104 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1107 * config/i386/i386.c (classify_argument): Skip fields with invalid
1110 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1112 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1113 (cse_insn): Likewise for the stack_pointer_rtx.
1115 2006-06-08 Roger Sayle <roger@eyesopen.com>
1117 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1118 conditions from floating point comparisons.
1120 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1123 * expmed.c (struct alg_hash_entry): Fix type of field T
1124 to match synth_mult argument.
1125 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1127 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1130 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1133 2006-06-08 Richard Guenther <rguenther@suse.de>
1136 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1137 only, if overflow is defined and not trapping.
1138 (negate_expr): Likewise.
1140 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1142 PR tree-optimization/27872
1143 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1144 flag on the new exit edge of the unrolled loop.
1146 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1148 PR rtl-optimization/26449
1149 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1151 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1154 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1155 referenced_variables with matching DECL_UID's.
1156 (find_referenced_vars): Make sure duplicate list is empty to start.
1157 (referenced_var_p): Remove.
1158 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1159 Check if var is in the list, and add if needed. Update the duplicate
1160 list if a different var is in the list with the same DECL_UID.
1161 (add_referenced_var): Call routine to check and insert.
1162 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1163 * tree-flow.h (referenced_vars_dup_list): External declaration.
1165 2006-06-07 Fred Fish <fnf@specifix.com>
1167 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1170 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1173 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1174 the imaginary and real parts of a clobbered register.
1175 Emit insn to set the imaginary part.
1177 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1179 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1180 in lieu of unwind-dw2-fde.c.
1182 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1184 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1186 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1189 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1190 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1191 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1192 V4SImode temporaries and operations instead.
1194 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1196 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1199 2006-06-06 Mike Stump <mrs@apple.com>
1201 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1202 installing during build.
1204 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1206 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1208 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1209 * config/ia64/ia64.c (params.h): New header.
1210 (ia64_optimization_options): New function to adjust parameters.
1211 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1212 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1213 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1215 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1217 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1219 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1222 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1224 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1225 Victor Kaplansky <victork@il.ibm.com>
1227 PR tree-optimization/26360
1228 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1231 2006-06-04 Roger Sayle <roger@eyesopen.com>
1232 Andrew Pinski <pinskia@physics.uc.edu>
1235 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1236 for LABEL_DECL before calling DECL_WEAK.
1239 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1240 LABEL_DECL and PARM_DECL.
1242 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1246 * c-decl.c (grokdeclarator): Disallow variably modified types at
1247 file scope. Avoid marking shared array type of constant size as
1250 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1253 * c-common.c (fold_offsetof_1): Handle static members.
1255 2006-06-04 Eric Christopher <echristo@apple.com>
1257 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1258 (debug_rli): Output value for remaining_in_alignment.
1259 (update_alignment_for_field): Unconditionalize
1260 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1261 extra alignment code.
1262 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1263 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1264 * tree.h (record_layout_info_s): Remove prev_packed.
1265 * doc/extend.texi (ms_struct): Add documentation of format.
1267 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1269 * tree.h: Declare folding_initializer.
1270 * builtins.c (fold_builtin_constant_p): Give definite answer
1271 if folding inside an initializer.
1272 * fold-const.c: Define folding_initializer.
1273 (START_FOLD_INIT): Save and then set folding_initializer.
1274 (END_FOLD_INIT): Restore folding_initializer.
1276 2006-06-04 Richard Guenther <rguenther@suse.de>
1278 PR tree-optimization/27039
1279 * fold-const.c (fold_comparison): Handle pointer comparison
1280 again for all comparison codes. Compare offsets in signed
1282 (fold_binary): Move code from here.
1284 2006-06-03 Roger Sayle <roger@eyesopen.com>
1287 * config/i386/i386.c (construct_container): Split static issued_error
1288 flag into issued_sse_arg_error, issued_sse_ret_error and
1289 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1290 requires the use of x87 registers and the user explicitly
1291 specified the -mno-80387 command line option.
1293 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1295 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1296 HAVE_DECL_SIGALTSTACK.
1298 (segv_handler): Use MC_FLD.
1299 * configure.ac: Check for a sigaltstack declaration.
1300 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1301 * configure: Regenerate.
1302 * config.in: Regenerate.
1304 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1307 * Makefile.in (stmp-fixinc): Fix typo.
1309 2006-06-02 Roger Sayle <roger@eyesopen.com>
1311 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1312 are type correct. Clean-up.
1313 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1314 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1316 2006-06-01 DJ Delorie <dj@redhat.com>
1318 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1319 shift, as we've disabled the "switch" insn that needs it.
1321 2006-06-01 Per Bothner <bothner@bothner.com>
1323 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1324 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1325 * c-ppoutput.c (cb_define): Don't increment line 0.
1327 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1329 * doc/invoke.texi: Add cpu_type power6.
1330 * config.gcc: Add cpu_type power6.
1331 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1332 to power5+ with Altivec.
1333 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1334 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1336 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1338 * config/avr/avr.h (SET_ASM_OP): Define.
1340 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1342 * config/bfin/bfin.c: Fix comment typos.
1344 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1347 * doc/install.texi: Document --enable-bootstrap and
1348 --disable-bootstrap.
1350 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1352 * doc/install.texi: Document that InfoZIP can replace jar.
1354 2006-05-31 Roger Sayle <roger@eyesopen.com>
1356 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1357 isn't available, directly generate the simpler x87 patterns without
1358 the (use (const_int 0)).
1359 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1360 implementation isn't available.
1361 (*negdf2_1): Likewise.
1362 (*negxf2_1): XF mode negation is always done using the x87.
1363 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1365 2006-05-31 Roger Sayle <roger@eyesopen.com>
1367 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1368 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1370 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1372 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1374 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1375 * config/bfin/bfin.c (basic-block.h): Include.
1376 (struct machine_function): New.
1377 (bfin_init_machine_status): New.
1378 (override_options): Initialize init_machine_status.
1379 (bfin_hardware_loop): New.
1380 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1381 (DEF_VEC_P (loop_info)): New.
1382 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1383 (struct loop_info): New.
1384 (loop_info): New typedef.
1385 (struct loop_work): New.
1386 (loop_work): New typedef.
1387 (DEF_VEC_O (loop_work)): New.
1388 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1389 (bfin_dump_loops): New.
1390 (bfin_bb_in_loop): New.
1391 (bfin_scan_loop): New.
1392 (bfin_optimize_loop): New.
1393 (bfin_reorg_loops): New.
1394 (bfin_reorg): Use bfin_reorg_loops.
1395 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1397 (I_REGNO_P): Simplify.
1398 (DP_REGNO_P, DPREG_P): New macros.
1399 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1400 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1401 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1402 Add LT_REGS, LC_REGS, LB_REGS.
1403 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1405 (REGNO_REG_CLASS): Deal with loop registers.
1406 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1408 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1409 New constants for loop registers.
1410 (UNSPEC_LSETUP_END): New.
1411 (seq_insns): New define_attr. Set it for appropriate insns.
1412 (movsi_insn): Add alternatives for move from/to
1413 loop count registers.
1414 (doloop_end): New define_expand.
1415 (loop_end): New define_insn.
1416 (define_split for bad doloop_end): New.
1417 (lsetup_with_autoinit): New define_insn.
1418 (lsetup_without_autoinit): New define_insn.
1419 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1420 * config/bfin/predicates.md (lc_register_operand): New.
1421 (lt_register_operand): New.
1422 (lb_register_operand): New.
1423 (nondp_register_operand): New.
1424 (nondp_reg_or_memory_operand): New.
1425 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1427 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1429 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1430 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1432 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1434 * Makefile.in (CATALOGS): Add po/ prefix.
1435 * configure: Regenerated.
1437 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1440 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1441 a shift operand before calling shift_op. Avoid redundant call of
1444 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1445 DJ Delorie <dj@redhat.com>
1447 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1448 we're inserting is a singlt-bit constant.
1450 2006-05-30 Roger Sayle <roger@eyesopen.com>
1452 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1453 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1455 2006-05-30 Roger Sayle <roger@eyesopen.com>
1457 PR tree-optimization/23452
1458 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1459 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1460 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1461 complex values and with -ffast-math for FP complex values.
1463 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1465 * c-common.h: Remove the prototype for yyparse.
1466 * rtl.h: Remove the prototype for init_loop.
1468 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1470 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1473 2006-05-30 Roger Sayle <roger@eyesopen.com>
1475 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1477 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1478 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1480 2006-05-30 Dirk Mueller <dmueller@suse.de>
1483 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1484 for CONSTANT_CLASS_P expresisons.
1486 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1489 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1491 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1493 PR tree-optimization/27779
1494 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1495 initial_condition instead of CHREC_LEFT.
1497 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1499 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1500 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1501 Make prototypes ISO C90.
1503 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1504 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1506 * see.c (see_analyze_one_def): Correct check.
1507 (see_get_extension_data): Check if extension is parallel.
1508 (see_get_extension_reg): Likewise.
1510 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1513 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1514 into register for (code == GTU).
1516 2006-05-29 Roger Sayle <roger@eyesopen.com>
1518 PR tree-optimization/24964
1519 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1520 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1521 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1522 abs(x)*abs(x) as x*x for scalar floating point modes.
1524 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1527 * lambda-code.c (perfect_nestify): Don't copy statements
1528 in the inner loop: move them to the inner loop header.
1530 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1533 * c-tree.texi: Document OpenMP directives and clauses.
1535 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1537 * varasm.c (globalize_decl): Fix indentation.
1539 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1542 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1543 pass_fre, pass_store_ccp, pass_copy_prop,
1544 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1545 pass_return_slot, pass_object_size, pass_lim,
1546 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1547 pass_loop_prefetch and pass_stdarg.
1549 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1551 * config/bfin/bfin.opt (mfdpic): New option.
1552 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1553 (EXTRA_MULTILIB_PARTS): Likewise.
1554 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1555 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1557 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1558 (CRT_CALL_STATIC_FUNCTION): New.
1559 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1561 (CRT_CALL_STATIC_FUNCTION): New.
1562 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1564 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1565 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1566 (initialize_trampoline): Changed to handle FD-PIC code generation.
1567 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1568 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1569 (override_options): Disallow -mid-shared-library -mfdpic combination.
1570 Can't do unaligned ops if FD-PIC.
1571 Turn off flag_pic if trying to generate non-id-shared-library
1572 non-fdpic code, since it's not supported.
1573 (bfin_assemble_integer): New function.
1574 (TARGET_ASM_INTEGER): Define.
1575 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1577 * config/bfin/crtn.s: Restore them.
1578 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1580 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1581 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1582 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1583 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1584 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1586 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1587 FDPIC_REGS and FDPIC_FPTR_REGS.
1588 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1589 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1590 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1591 (load_funcdescsi): New pattern.
1592 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1593 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1594 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1596 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1598 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1601 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1603 * tree-flow.h: Remove the prototype for add_type_alias.
1604 * tree-ssa-alias.c (add_type_alias): Remove.
1606 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1608 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1609 config/fr30/fr30.md, config/i386/i386-interix.h,
1610 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1611 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1612 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1613 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1614 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1615 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1616 Follow spelling conventions.
1617 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1618 Follow spelling conventions.
1620 2006-05-27 Richard Guenther <rguenther@suse.de>
1623 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1624 to produce a constant of value 1 of generic type.
1626 2006-05-27 Dirk Mueller <dmueller@suse.de>
1628 * cgraphunit.c (decide_is_function_needed): Fix wrong
1631 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1633 PR rtl-optimization/27661
1634 * reload.c (find_reloads): When reloading a VOIDmode constant
1635 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1636 use Pmode as mode of the reload register.
1638 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1640 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1641 is enabled at -O and above.
1643 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1646 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1649 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1652 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1653 for anonymous variables explicitly declared by front ends.
1655 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1657 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1658 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1659 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1660 ref-all pointers, run a finalization pass for them.
1661 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1662 (finalize_ref_all_pointers): New function.
1663 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1664 regular pointer type to a ref-all pointer type.
1665 (get_tmt_for): Return the special memory tag for ref-all pointers.
1667 2006-05-25 Richard Guenther <rguenther@suse.de>
1670 * fold-const.c (fold_binary): Do not look at the stripped
1671 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1673 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1675 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1676 for LT and GT if the computed range is effectively empty.
1678 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1681 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1682 mips_quad_format formats instead of ieee_single_format,
1683 ieee_double_format and ieee_quad_format formats, respectively.
1685 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1687 PR tree-optimization/27639
1688 PR tree-optimization/26719
1689 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1690 call to scev_probably_wraps_p.
1691 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1692 used_in_pointer_arithmetic_p, convert_step): Removed.
1693 (nowrap_type_p): New function.
1694 (scev_probably_wraps_p): Rewritten.
1695 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1696 chrec_convert if chrec_convert_aggressive might have been used.
1697 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1698 scev_direction): New functions.
1699 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1700 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1701 instead of convert_step.
1702 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1703 (convert_step): Declaration removed.
1704 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1706 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1708 * df-core.c: Added to header comments.
1709 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1710 df_ur_bb_info, df_urec_bb_info): Added comments.
1711 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1712 urec, ri problems): Fixed header comments.
1713 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1714 code from df_rd_transfer_function.
1716 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1718 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1719 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1720 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1722 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1724 * expr.c (undefined_operand_subword_p): New.
1725 (emit_move_multi_word): Do not generate move from undefined bits
1726 of a paradoxical subreg.
1728 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1730 PR rtl-optimization/27736
1731 * combine.c (replaced_rhs_value): New variable.
1732 (combine_instructions): Set it.
1733 (distribute_notes): When distributing a note in replaced_rhs_insn,
1734 check whether the value was used in replaced_rhs_value.
1736 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1739 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1740 add_referenced_var instead of add_referenced_tmp_var.
1741 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1742 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1744 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1745 tree_optimize_tail_calls_1): Use add_referenced_var.
1746 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1747 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1748 Use add_referenced_var.
1749 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1750 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1751 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1752 Use add_referenced_var.
1753 * tree-dfa.c (struct walk_state): Remove.
1754 (find_referenced_vars): Remove walk state and vars_found hash table.
1755 (make_rename_temp): Use add_referenced_var.
1756 (find_vars_r): Pass less parameters to add_referenced_var.
1757 (referenced_var_p): New. Is var in referenced_var hash table.
1758 (referenced_var_insert): Assert var isn't already in hash table.
1759 (add_referenced_var): Don't need walk_state parameter. Add var if it
1760 isn't already in the hash table.
1761 (add_referenced_tmp_var): Remove.
1762 (find_new_referenced_vars_1): Use add_referenced_var.
1763 * tree-ssa-pre.c (create_expression_by_pieces,
1764 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1765 Use add_referenced_var.
1766 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1767 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1768 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1770 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1771 vect_create_data_ref_ptr, vect_create_destination_var,
1772 vect_init_vector, vect_build_loop_niters,
1773 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1774 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1775 Use add_referenced_var.
1776 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1777 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1778 (add_referenced_var): Add prototype.
1779 * tree-ssa-structalias.c (get_constraint_for,
1780 intra_create_variable_infos): Use add_referenced_var.
1782 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1784 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1785 big-endian paradoxical subregs.
1786 * var-tracking.c (struct micro_operation_def): Document that,
1787 for modify micro operations, insn is the subsequent instruction.
1788 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1789 (var_reg_set, var_mem_set): ... new functions.
1790 (add_stores): Record subsequent insn.
1791 (compute_bb_dataflow): Use new functions for MO_USE.
1792 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1793 notes after the insn, and modify notes before the insn known
1794 to be the subsequent one.
1795 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1797 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1800 * config/i386/i386.c (ix86_expand_builtin): Use
1801 gen_sse3_monitor64 for TARGET_64BIT.
1803 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1805 PR rtl-optimization/26375
1806 PR rtl-optimization/26855
1807 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1809 (df_ru_bb_local_compute): Reversed statements and removed bogus
1810 comment explaining why they should be in wrong order.
1811 (df_ru_dump, df_rd_dump): Enhanced debug info.
1812 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1814 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1815 reaching uses and fixed space problem.
1817 2006-05-23 Jan Hubicka <jh@suse.cz>
1819 * cgraphunit.c (decide_is_function_needed): Also nested functions
1820 and functions declared inline can be optimized out at -O0.
1822 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1824 * doc/install.texi (Configuration): Remove reference to CrossGCC
1828 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1831 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1832 ix86_compare_emitted is non-NULL.
1834 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1837 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1840 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1842 PR rtl-optimization/25514
1843 * combine.c (replaced_rhs_insn): New variable.
1844 (combine_instructions): Set replaced_rhs_insn when trying to replace
1845 a SET_SRC with a REG_EQUAL note.
1846 (distribute_notes): Use replaced_rhs_insn when determining the live
1847 range of a REG_DEAD register.
1849 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1850 Anatoly Sokolov <aesok@post.ru>
1852 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1853 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1854 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1855 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1856 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1857 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1858 at90usb647, at90usb1286 and at90usb1287 devices.
1859 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1860 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1862 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1864 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1866 2006-05-22 Richard Guenther <rguenther@suse.de>
1869 2006-01-31 Richard Guenther <rguenther@suse.de>
1870 Paolo Bonzini <bonzini@gnu.org>
1872 * doc/install.texi (--disable-libgcc-math): Document.
1874 2006-05-22 Richard Guenther <rguenther@suse.de>
1877 2006-01-31 Richard Guenther <rguenther@suse.de>
1879 * doc/invoke.texi (-msselibm): Document.
1880 * target.h (expand_library_builtin): New target hook.
1881 * builtins.c (expand_builtin): Use expand_library_builtin.
1882 (default_expand_library_builtin): New function.
1883 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1884 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1885 (link_gcc_math_spec): Declare.
1886 (static_specs): Add link_gcc_math_spec.
1887 * expr.h (default_expand_library_builtin): Declare.
1888 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1889 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1890 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1891 * config/i386/i386.opt (msselibm): New target option.
1892 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1893 (ix86_init_sse_abi_builtins): New function.
1894 (ix86_expand_library_builtin): Likewise.
1895 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1896 (override_options): Handle error conditions wrt -msselibm.
1897 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1898 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1899 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1902 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1905 * c-common.c (self_promoting_args_p): Skip erroneous args.
1908 * c-decl.c (finish_struct): Skip erroneous fields.
1910 2006-05-22 Nick Clifton <nickc@redhat.com>
1912 * config/cris/cris.opt (march): Remove VarExists attribute.
1913 (max-stackframe=): Likewise.
1915 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1917 * doc/rtl.texi: Fix a typo.
1918 * see.c: Fix comment typos.
1920 * tree-ssa-structalias.h (alias_info): Remove num_references.
1922 2006-05-21 Mike Stump <mrs@apple.com>
1924 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1926 (darwin_pragma_options): Use BAD instead.
1927 (darwin_pragma_unused): Likewise.
1928 (darwin_pragma_ms_struct): Likewise.
1930 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1932 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1934 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1936 PR rtl-optimization/27671
1937 * simplify-rtx.c (simplify_relational_operation_1): Fix
1938 simplifications of (eq/ne (xor x y) y) and
1939 (eq/ne (xor x y) x).
1941 PR tree-optimization/26622.
1942 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1945 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1947 * tree-cfg.c: Prune whitespace.
1948 (debug_tree_cfg): Point to correct header containing the
1951 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1954 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1956 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1959 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1960 or sorry count is non zero.
1962 2006-05-20 Andreas Schwab <schwab@suse.de>
1964 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1966 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1967 Kenneth Zadeck <zadeck@naturalbridge.com>
1969 PR rtl-optimization/26855
1971 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1973 (df_scan_alloc): Added code to properly handle multiword hard
1974 registers and add all_blocks parameter.
1975 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1976 code to properly handle multiword hard registers.
1977 (df_rescan_blocks): Added code to remove deleted blocks from
1979 (df_ref_create_structure, df_ref_record): Added code to properly
1981 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1982 and set DF_REF_PARTIAL.
1983 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1984 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1985 (df_scan_add_problem): Added flags parameter.
1986 (df_ref_create_structure): Changed switching structure.
1987 (df_bb_refs_record): Fixed case where duplicate artificial refs
1988 were created. Changed location of flags.
1989 (df_record_entry_block_defs): Added code to make stack pointer
1990 live in entry block. Refined cases where frame pointer is needed.
1991 Changed location of flags.
1992 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1993 (df_set_state): Removed function.
1994 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1995 df_insn_create_insn_record, df_insn_refs_delete,
1996 df_ref_create_structure): Formatting changes.
1997 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1998 df_delete_basic_block): New function.
1999 (df_init): Changed location of flags.
2000 (df_add_problem): Added flags parameter and the way flags are
2002 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2003 debug_df_chain): Improved debugging output.
2004 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2005 (df_refs_chain_dump): Removed df parameter.
2006 (df_iterative_dataflow): Added consistency check.
2007 (df_prune_to_subcfg): Made public.
2008 (df_analyze_problem): Added blocks_to_init parameter and made
2010 (df_ref_record, df_bb_refs_record, df_mark_reg,
2011 df_record_exit_block_uses): Whitespace changes.
2012 (df_dump): Whitespace changes.
2013 * df.h: Some reordering to remove forward references.
2014 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2015 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2016 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2017 (dataflow.flags): New field.
2018 (df.flag): Deleted field.
2019 (df_alloc_function): Added additional bitmap parameter.
2020 (df_dependent_problem_function): New type.
2021 (df_problem.changeable_flags): New field.
2022 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2023 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2024 (df_mw_hardreg): New struct.
2025 (DF_INSN_UID_MWS): New macro.
2026 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2028 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2029 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2030 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2031 (df_set_state): Removed function.
2032 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2033 * df-problems.c (df_chain_dump): Removed df parameter.
2034 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2035 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2037 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2038 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2039 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2040 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2041 DF_REF_MUST_CLOBBER cases.
2042 (df_ru_bb_local_compute_process_def,
2043 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2044 df_lr_bb_local_compute, df_ur_bb_local_compute,
2045 df_chain_create_bb): Made subreg aware.
2046 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2047 df_lr_bb_local_compute, df_lr_bb_local_compute,
2048 df_chain_create_bb): Cleanup to use proper macros.
2049 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2050 code to fixup bitvectors.
2051 (df_ri_alloc): Cleared lifetime.
2052 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2053 df_create_unused_note): New function.
2054 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2055 REG_DEAD and REG_UNUSED notes as well as register information.
2056 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2057 df_chains_dump): Fixed crash if problem was never run.
2058 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2059 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2060 df_ri_add_problem): Processes flags in uniform manner.
2061 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2062 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2063 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2064 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2065 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2066 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2067 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2068 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2069 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2070 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2071 * see.c (see_initialize_data): Ditto.
2072 * final.c (rest_of_clean_state) Added regstack_completed.
2073 * rtl.h (regstack_completed): Ditto.
2074 * reg-stack.c (regstack_completed): Ditto.
2076 2006-05-19 Mike Stump <mrs@apple.com>
2078 * c-tree.h (default_conversion): Remove.
2079 * c-common.h (default_conversion): Add.
2081 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2083 * tree-vrp.c (valid_value_p): New function.
2084 (adjust_range_with_scev): Fail if the value of bound is not
2087 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2089 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2090 (mips_fallback_frame_state): Use syscall numbers to determine
2091 the appropriate li instruction for the current ABI. Only use
2092 __NR_sigreturn for o32.
2094 2006-05-19 Nicolas Setton <setton@adacore.com>
2096 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2097 * langhooks.c (lhd_dwarf_name): New function.
2098 * langhooks-def.h (lhd_dwarf_name): Declare.
2099 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2100 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2101 * ada/misc.c (gnat_dwarf_name): New function.
2102 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2104 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2106 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2108 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2109 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2110 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2111 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2112 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2113 determine the size of Wtype, etc.
2114 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2115 (swfloatfuncs): New variable.
2116 (dwfloatfuncs): Likewise.
2117 (lib2funcs): Remove floating-point conversion functions from
2118 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2119 the set of conversion routines needed. Allow entries to specify
2120 an object name, filename and word size. Update users accordingly.
2121 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2122 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2126 2006-02-08 Roger Sayle <roger@eyesopen.com>
2129 * config/fixtfdi.c: New libgcc source file.
2130 * config/fixunstfdi.c: New source file.
2131 * config/floatditf.c: New source file.
2132 * config/floatunditf.c: New souce file.
2133 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2134 files above instead of config/mips/_tilib.c.
2135 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2137 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2139 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2140 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2142 2006-05-18 Mike Stump <mrs@apple.com>
2144 Fix up vla, vm and [*] sematics.
2150 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2151 (c_vla_unspec_p): Add.
2152 (c_vla_type_p): Add.
2153 * c-decl.c (struct c_scope): Add had_vla_unspec.
2154 (build_array_declarator): Add support for [*].
2155 (grokdeclarator): Likewise.
2156 (grokparms): Likewise.
2157 (get_parm_info): Likewise.
2158 * c-objc-common.c (c_vla_unspec_p): Likewise.
2159 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2160 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2161 typeof when argument is a variably modified type not inside sizeof or alignof.
2162 (c_parser_direct_declarator_inner): Propagate errors.
2163 (c_parser_sizeof_expression): Add support for [*].
2164 (c_parser_parms_declarator): Initialize had_vla_unspec.
2165 (c_parser_parms_list_declarator): Likewise.
2166 * c-typeck.c (c_vla_type_p): Add.
2167 (composite_type): Add support for vla compositing.
2168 (comptypes_internal): Add support for vla compatibility.
2169 (c_expr_sizeof_expr): Evaluate vla arguments.
2170 * tree.c (variably_modified_type_p): Update comment for [*].
2172 2006-05-18 Michael Matz <matz@suse.de>
2175 * config.host: Make assignments to host_xmake_file cumulative.
2176 * config.host (*-darwin*): Test $host, not $target.
2178 2006-05-12 Stuart Hastings <stuart@apple.com>
2180 * config/i386/i386.opt (-mstackrealign): New flag.
2181 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2182 (ix86_handle_cconv_attribute): Emit error when
2183 force_align_arg_pointer attribute collides with too many regparms.
2184 (ix86_function_regparm): Limit regparms when used with
2185 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2186 Support stack-realigning prologue in non-main functions. Emit
2187 warning for nested functions under -mstackrealign, emit error for
2188 nested functions with force_align_arg_pointer attribute.
2189 * doc/extend.texi (force_align_arg_pointer): Document it.
2190 * doc/invoke.texi (-mstackrealign): Document it.
2192 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2194 PR rtl-optimization/27477
2195 * combine.c (try_combine): Don't split a parallel consisting
2196 of two sets into two individual sets if both sets reference
2199 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2201 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2202 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2204 * doc/options.texi (VarExists): Updated.
2206 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2208 * unwind-dw2.c: Add declarations for uw_update_context and
2210 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2211 detected, advance frame state and context once to skip over stub.
2213 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2217 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2218 Call rewrite_into_loop_closed_ssa only when something changed.
2219 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2220 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2221 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2222 Test for perfect_nest_p here. Fix formating.
2223 (replace_uses_equiv_to_x_with_y): Fix formating.
2224 (stmt_uses_op): Removed.
2225 (can_convert_to_perfect_nest): Removed loopivs parameter.
2226 Complete the test by checking the scalar dependences.
2227 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2230 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2233 From Dan Kegel <dank@kegel.com>:
2234 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2236 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2238 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2239 if the element type is variably modified without recursing.
2241 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2244 * tree-loop-linear.c (try_interchange_loops): Test for
2245 no data dependences.
2247 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2249 PR tree-optimization/27548
2250 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2251 range of ssa names that appear on abnormal edges.
2252 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2253 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2255 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2258 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2260 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2263 * tree.h (OMP_PARALLEL_COMBINED): Define.
2264 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2265 (new_omp_context): Add is_combined_parallel argument.
2266 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2267 new_omp_context caller.
2268 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2269 Adjust gimplify_scan_omp_clauses callers.
2270 (omp_is_private): Issue errors if iteration variable is firstprivate
2271 or reduction in the current context.
2272 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2273 on combined parallel workshare constructs.
2275 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2277 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2278 (gcc-options.o): New rule.
2280 * optc-gen.awk: Protect variables for gcc-options.o with
2281 #ifdef GCC_DRIVER/#endif.
2283 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2285 Fix PR tree-optimization/27373
2286 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2287 (forward_propagate_addr_expr): Update call.
2289 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2291 * doc/options.texi: Move the Negative option.
2293 2006-05-16 Richard Guenther <rguenther@suse.de>
2295 PR tree-optimization/22303
2296 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2298 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2299 ccp_fold did not simplify the statement.
2301 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2304 * Makefile.in (GCC_OBJS): New.
2305 (OBJS-common): Add opts-common.o.
2306 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2307 (cpp$(exeext)): Likewise.
2308 (gcc.o): Also depend on opts.h.
2309 (opts-common.o): New.
2311 * common.opt (gcoff): Add Negative(gdwarf-2).
2312 (gdwarf-2): Add Negative(gstabs).
2313 (gstabs): Add Negative(gstabs+).
2314 (gstabs+): Add Negative(gvms).
2315 (gvms): Add Negative(gxcoff).
2316 (gxcoff): Add Negative(gxcoff+).
2317 (gxcoff+): Add Negative(gcoff).
2318 * config/i386/i386.opt (m32): Add Negative(m64).
2319 (m64): Add Negative(m32).
2321 * doc/options.texi: Document the Negative option.
2323 * gcc.c: Include "opts.h".
2324 (main): Call prune_options after expandargv.
2326 * optc-gen.awk: Generate common declarations for all flag
2327 variables in options.c. Output the neg_index field.
2329 * opts.c (find_opt): Moved to ...
2330 * opts-common.c: Here. New file.
2332 * opts.h (cl_option): Add a neg_index field.
2334 (prune_options): Likewise.
2336 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2339 * omp-low.c (expand_omp_parallel): Don't assert
2340 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2341 instead search for it.
2344 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2347 2006-05-16 Andreas Schwab <schwab@suse.de>
2349 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2352 2006-05-15 Roger Sayle <roger@eyesopen.com>
2355 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2356 integer constants other than zero are only legitimate on TARGET_64BIT.
2357 <CONST_VECTOR> Only zero vectors are legitimate.
2358 (ix86_cannot_force_const_mem): Integral and vector constants can
2359 always be put in the constant pool.
2361 2006-05-16 DJ Delorie <dj@redhat.com>
2363 * crtstuff.c (__dso_handle): Set section from
2364 TARGET_LBIGCC_SDATA_SECTION if defined.
2365 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2366 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2368 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2371 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2374 2006-05-16 Ben Elliston <bje@au.ibm.com>
2376 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2378 2006-05-15 Per Bothner <per@bothner.com>
2380 * tree.c: (last_annotated_node): Use source_locus typedef.
2381 This permits bootstrapping with --enable-mapped-location.
2383 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2385 PR tree-optimization/26830
2386 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2387 (info_for_ssa_name, current_info_for_ssa_name_age,
2388 blocks_to_update): New variables.
2389 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2390 (clear_ssa_name_info, initialize_flags_in_bb,
2391 mark_block_for_update): New functions.
2392 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2393 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2394 prepare_def_site_for): Use mark_block_for_update.
2395 (mark_def_interesting): Assert that the processed block is marked in
2396 blocks_to_update. Do not take blocks argument.
2397 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2399 (rewrite_update_init_block, rewrite_update_stmt): Only process
2400 blocks with statements to rewrite.
2401 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2402 (update_ssa): Initialize and free blocks_to_update. Do not
2403 clear flags on statements. Do not use blocks bitmap.
2404 * tree.h (SSA_NAME_AUX): Removed.
2405 (struct tree_ssa_name): Removed aux field.
2406 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2408 2006-05-15 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/27603
2411 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2412 Do computations in original type.
2414 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2416 * see.c: Code style changes such as redundant paranthesis,
2417 redundant intialization of local variables etc.
2418 (see_main): Declared now as static.
2419 * doc/invoke.texi: Update that -fsee is not enabled by
2422 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2424 * omp-low.c (check_omp_nesting_restrictions): New function.
2425 (scan_omp_1): Call it.
2428 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2429 construct, return *VAR.
2431 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2433 PR rtl-optimization/27406
2434 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2437 2006-05-14 Roger Sayle <roger@eyesopen.com>
2439 PR rtl-optimization/27538
2440 * combine.c (expand_compound_operation): Call gen_lowpart
2441 before calling simplify_shift_const.
2443 2006-05-14 Roger Sayle <roger@eyesopen.com>
2445 PR rtl-optimization/22563
2446 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2447 a fixed width bitfield, always force the intermediates into psuedos.
2449 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2452 * mkconfig.sh: Use operator = instead of == for test.
2454 2006-05-13 Nick Clifton <nickc@redhat.com>
2456 * dwarf2out.c (dbx_reg_number): Check return value from
2457 LEAF_REG_REMAP and only use it if it is valid.
2458 (multiple_reg_loc_descriptor): Likewise.
2460 2006-05-13 Richard Guenther <rguenther@suse.de>
2462 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2465 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2467 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2468 information attached to non-INSNs such as NOTEs.
2469 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2471 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2473 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2475 * config/s390/s390.md: Adjust comment describing On constraint.
2477 2006-05-11 Jan Hubicka <jh@suse.cz>
2479 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2480 to be output at -O0.
2482 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2485 * fold-const.c (size_binop): Move sanity check for arguments to
2486 the beginning of the function.
2489 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2492 2006-05-11 Richard Guenther <rguenther@suse.de>
2495 * fold-const.c (fold_unary): Handle intermediate conversion
2496 to a pointer type like intermediate conversion to an integer
2497 type in folding of (T1)(T2)var to var.
2498 Match the code to the comment in the final conversion for
2499 (T1)(T2)var to (T1)var regarding to type precision. Rather
2500 than disallow T1 being of pointer type, assert that both T1
2501 and var are of pointer type or not. Make sure not to fall
2502 over the frontends lazyness wrt array to pointer decay though.
2504 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2506 * arm.c (arm_struct_value_rtx): Delete.
2507 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2508 (arm_init_cumulative_args): Always initialize nregs to zero.
2510 2006-05-10 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/27532
2513 * tree-object-size.c (plus_expr_object_size): Fix typo.
2515 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2518 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2519 ashrdi_const, ashrdi3): Use a scratch register.
2521 2006-05-10 Richard Guenther <rguenther@suse.de>
2523 PR tree-optimization/27302
2524 * fold-const.c (operand_equal_p): For two comparisons,
2525 try comparison of one comparison code swapped if that yields
2528 2006-05-10 Ben Elliston <bje@au.ibm.com>
2530 * tree-pretty-print.c (pretty_print_string): No need to handle
2531 '\0' as a special character.
2533 * tree.h: Include "hashtab.h".
2534 (iterative_hash_expr): Use hashval_t in its prototype.
2535 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2537 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2540 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2541 (hppa*64*-*-hpux11*): Ditto.
2542 (hppa[12]*-*-hpux11*): Ditto.
2544 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2547 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2549 2006-05-09 Michael Matz <matz@suse.de>
2551 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2552 host_extra_gcc_objs and host_xmake_file.
2553 (<*-*-linux*>): Don't overwrite host_xmake_file.
2554 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2555 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2556 (host_detect_local_cpu): Declare.
2557 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2558 * config/i386/i386.c (override_options): Handle -mtune=native
2560 * config/i386/x-i386: New file.
2561 * config/i386/driver-i386.c: New file.
2562 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2565 2006-05-09 Dirk Mueller <dmueller@suse.de>
2566 Richard Guenther <rguenther@suse.de>
2569 * fold-const.c (fold_read_from_constant_string): Relax check
2570 for matching types to matching modes.
2572 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2574 PR rtl-optimization/27335
2575 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2578 2006-05-08 Chao-ying Fu <fu@mips.com>
2579 Richard Sandiford <richard@codesourcery.com>
2581 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2582 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2583 * config/mips/mips.md (UNSPEC_SCC): New constant.
2584 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2585 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2586 (mips_emit_compare): Use it.
2587 (mips_expand_vcondv2sf): New function.
2589 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2591 Fix PR tree-optimization/27093
2592 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2593 renaming when they become not-used_alone.
2595 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2597 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2598 relocation and relocation stubs.
2600 2006-05-08 Eric Christopher <echristo@apple.com>
2602 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2605 2006-05-08 Jan Hubicka <jh@suse.cz>
2608 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2609 unused static functions are needed.
2611 2006-05-08 Roger Sayle <roger@eyesopen.com>
2614 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2615 of a reg_equiv_constant if the result is a legitimate constant.
2617 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2620 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2621 standard 80387 constants, raise the cost to prevent
2622 compress_float_constant() to generate load from memory.
2624 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2626 * config/arm/constraints.md (c): Fix a typo.
2628 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2631 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2634 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2636 (_mm_mwait): Likewise.
2638 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2640 (sse3_monitor): Make it 32bit only.
2641 (sse3_monitor64): New. 64bit monitor.
2643 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2646 * config/i386/i386.c (classify_argument): Skip fields with invalid
2649 2006-05-07 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/27409
2652 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2653 Do not try to find zero-sized subvars.
2655 2006-05-07 Richard Guenther <rguenther@suse.de>
2657 PR tree-optimization/27136
2658 * tree-ssa-loop-niter.c (get_val_for): Correct function
2659 comment, assert requirements.
2660 (loop_niter_by_eval): Stop processing if the iterated
2661 value did not simplify.
2663 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2665 * opts.c (flag_see): remove its setting at -O3.
2667 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2669 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2670 * arm/constraints.md: New file.
2671 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2672 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2673 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2674 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2675 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2676 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2677 * arm.md: Include constraints.md.
2678 (thumb_movsi_insn): Use satisfies_constraint_J.
2679 (movhi, movqi): Use satisfies_constraint_I.
2681 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2683 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2684 for atmeg a645 device.
2686 2006-05-06 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/27151
2689 * tree-vect-transform.c (vectorizable_condition): Punt on
2690 values that have a different type than the condition.
2692 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2695 * c-parser.c (c_parser_cast_expression): Only insert casts into
2696 hash table if pointer.
2697 * function.c (used_types_insert_helper): Rename from
2699 (used_types_insert): Call used_types_insert_helper.
2700 * function.h (used_types_insert): Accept only one argument.
2702 2006-05-05 David Edelsohn <edesohn@gnu.org>
2704 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2705 scratch with output modifier.
2707 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2710 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2711 with output modifier.
2713 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2716 * config/mips/mips.c (mips_symbolic_address_p): Return true
2717 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2718 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2720 2006-05-04 Richard Guenther <rguenther@suse.de>
2722 PR tree-optimization/14287
2723 PR tree-optimization/14844
2724 PR tree-optimization/19792
2725 PR tree-optimization/21608
2726 PR tree-optimization/27090
2727 * tree-ssa-pre.c (try_combine_conversion): New function.
2728 (compute_avail): After constructing the value-handle
2729 expression, use try_combine_conversion to combine NOP_EXPRs
2730 with previous value-handle expressions and use the result if it
2733 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2735 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2737 2006-05-04 Jan Hubicka <jh@suse.cz>
2740 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2742 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2744 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2745 that this only matches CONST_INTs. All users changed to VOIDmode
2748 * config/bfin/bfin.c: Include "optabs.h".
2749 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2751 (enum bfin_builtins): Add a number of fractional and vector builtins.
2752 (bfin_init_builtins): Likewise.
2753 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2754 (safe_vector_operand, bfin_expand_binop_builtin,
2755 bfin_expand_unop_builtin): New functions.
2756 (bfin_expand_builtin): Handle the new builtins.
2757 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2760 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2763 * Makefile.in (OBJS-common): Add see.o.
2764 (see.o): Add dependencies.
2765 * common.opt (fsee): New flag for the see optimization was added.
2766 * opts.c (flag_see): Initialized.
2767 * passes.c (init_optimization_passes, pass_see): New pass.
2768 * rtl.h (see_main): Declaration as extern.
2769 * timevar.def (TV_SEE): New.
2770 * tree-pass.h (pass_see): Declaration as extern.
2771 * invoke.texi (-fsee): Document.
2772 * recog.c (validate_simplify_insn): New function.
2773 * recog.h (validate_simplify_insn): Declaration as extern.
2774 * df-problems.c (df_chain_dump): Check for NULL.
2776 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2777 Daniel Berlin <dberlin@dberlin.org>
2779 * cfgrtl.c (insert_insn_bb_end_new): New function.
2780 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2782 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2784 * df.h (struct web_entry): Moved from web.c.
2785 (union_defs): Declaration as extern.
2786 (unionfind_root): Likewise.
2787 (unionfind_union): Likewise.
2788 * web.c (struct web_entry): Moved to df.h.
2789 (unionfind_root): Remove static declaration.
2790 (unionfind_union): Likewise.
2791 (union_defs): Likewise and generalize to use callback function.
2792 (web_main): Update arguments for union_defs function call.
2794 2006-05-04 Richard Guenther <rguenther@suse.de>
2796 PR tree-optimization/26447
2797 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2798 produce SSA_NAME copies before the store stmt to avoid
2799 breaking exception handling.
2801 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2804 * gimplify.c (omp_is_private): If var is shared in some outer context,
2805 return false instead of true. Stop searching on parallel context
2808 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2811 * coverage.c: Use get_gcov_unsigned_t() instead of
2812 unsigned_type_node all over.
2814 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2816 PR tree-optimization/27381
2817 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2818 maintain the same immediate_use links.
2819 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2820 node rather than segfaulting.
2822 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2825 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2826 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2827 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2829 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2831 Fix PR tree-optimization/26626
2832 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2834 * tree-ssa-operands.c (access_can_touch_variable): Allow
2835 typecasting through union pointers.
2837 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2840 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2841 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2842 to find if var will be a global variable even in the nested context.
2843 (omp_copy_decl): Only check for global variable at the end, it might
2844 be overridden in outer contexts.
2845 (scan_sharing_clauses): For global variables don't create a field.
2846 (lower_rec_input_clauses): Do nothing for global shared variables.
2847 Emit a barrier at the end of ILIST if there were any decls in both
2848 firstprivate and lastprivate clauses.
2849 (lower_send_clauses): Do nothing for global variables except for
2852 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2854 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2855 of the correct signedness is returned.
2857 2006-05-02 Jeff Law <law@redhat.com>
2859 PR tree-optimization/27364
2860 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2861 multiply expressions.
2863 2006-05-02 Tom Tromey <tromey@redhat.com>
2865 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2867 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2870 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2871 -mthumb -fPIC are used.
2873 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2874 Joshua Kinard <kumba@gentoo.org>
2877 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2878 with 64-bit pointers.
2880 2006-05-02 Paul Brook <paul@codesourcery.com>
2882 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2884 (create_fix_barrier): Check that a suitable barrier location is
2886 (arm_reorg): Include ftmp->address in allowable range of addresses.
2888 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2891 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2894 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2897 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2898 around RESULT_DECL for result passed by reference.
2899 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2900 * omp-low.c (use_pointer_for_field): Don't look at
2901 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2902 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2903 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2904 time or var for passing by reference for
2905 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2906 TREE_ADDRESSABLE variables when passing by reference.
2908 * omp-low.c (dump_omp_region): Fix output formatting.
2911 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2912 (expand_omp_parallel): Likewise.
2913 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2916 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2917 on statement list containing also constructors and destructors.
2918 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2921 * except.c (duplicate_eh_regions): Fix clearing of
2922 cfun->eh->region_array entries.
2924 2006-05-01 DJ Delorie <dj@redhat.com>
2926 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2928 (gcc_cv_objdump): Likewise.
2929 * configure: Regenerated.
2931 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2934 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2935 templates for case 3 and 4.
2937 2006-05-01 DJ Delorie <dj@redhat.com>
2939 * vec.c: Include bconfig.h when appropriate.
2940 * Makefile.in (build/vec.o): Adjust dependencies.
2941 * mkconfig.sh: Make sure config.h isn't used for build machine
2944 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2946 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2948 (mark_phi_for_rewrite): New function.
2949 (insert_phi_nodes_for, mark_use_interesting): Call
2950 mark_phi_for_rewrite.
2951 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2952 (update_ssa): Initialize and free phis_to_rewrite.
2954 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2956 PR rtl-optimization/27291
2957 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2958 folded to a constant.
2960 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2962 PR tree-optimization/27283
2963 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2964 not whole # of iteration descriptions.
2965 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2966 uses abnormal ssa name.
2967 (niter_for_single_dom_exit): Ditto.
2968 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2969 return just the number of iterations.
2971 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2973 PR tree-optimization/27144
2974 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2975 (record_estimate): Only record constant upper bound.
2976 (infer_loop_bounds_from_undefined): Call
2977 compute_estimated_nb_iterations just once.
2978 (proved_non_wrapping_p): Renamed to ...
2979 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2980 (convert_step_widening, scev_probably_wraps_p): Call
2981 n_of_executions_at_most instead of proved_non_wrapping_p.
2982 (substitute_in_loop_info): Do not replace values in bounds.
2983 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2986 2006-05-01 Richard Henderson <rth@redhat.com>
2989 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2990 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2993 2006-05-01 Roger Sayle <roger@eyesopen.com>
2995 * c-typeck.c (parser_build_binary_op): Don't call the function
2996 unsigned_conversion_warning to spot operand/result type overflow.
2997 (build_binary_op): Instead, call convert_and_check instead of
2998 convert to report the problem when the operands are promoted.
2999 * c-common.c (unsigned_conversion_warning): Make static.
3000 * c-common.h (unsigned_conversion_warning): Delete prototype.
3002 2006-05-01 Richard Guenther <rguenther@suse.de>
3004 PR tree-optimization/26726
3005 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3007 (find_interesting_uses_address): ... we work around here
3008 by folding INDIRECT_REFs in the substituted base.
3010 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3012 * omp-low.c (dump_omp_region): Add newlines.
3014 2006-04-30 Roger Sayle <roger@eyesopen.com>
3016 * common.opt (Woverflow): New command line option.
3017 * c-common.c (constant_expression_warning): Check warn_overflow.
3018 (overflow_waring): Pass OPT_Woverflow to warning.
3019 (unsigned_conversion_warning): Likewise.
3020 (convert_and_check): Likewise.
3021 * doc/invoke.texi: Document new command line option.
3023 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3025 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3026 TARGET_NO_FP_IN_TOC for section anchors.
3027 (optimization_options): Enable section anchors for all
3028 non-"Objective" languages.
3030 2006-04-28 Eric Christopher <echristo@apple.com>
3032 * config/darwin-c.c (darwin_ms_struct): Move this
3033 (darwin_set_default_type_attributes): and this...
3034 * config/darwin.c: ... here.
3035 * config/darwin.h (darwin_ms_struct): Declare.
3037 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3041 2006-04-28 Roger Sayle <roger@eyesopen.com>
3044 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3045 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3046 an unsigned HOST_WIDE_INT.
3047 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3049 (really_start_incremental_init): No need to call convert because
3050 bitsize_zero_node is already of type bitsizetype.
3051 (push_init_level): Extract the value of constructor_index as an
3052 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3053 (process_init_element): Likewise.
3055 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3057 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3058 value before passing to make_relative_prefix.
3060 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3063 * builtins.c (expand_builtin_memset): Expand val in original mode.
3065 2006-04-27 Eric Christopher <echristo@apple.com>
3067 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3068 with #ifndef/#endif.
3069 * config/darwin-c.c (darwin_ms_struct): New.
3070 (darwin_pragma_ms_struct): Ditto.
3071 (darwin_set_default_type_attributes): Ditto.
3072 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3073 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3074 Register ms_struct pragma.
3075 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3076 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3077 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3078 darwin_set_default_type_attributes if TARGET_MACHO.
3080 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3082 PR tree-optimization/26854
3083 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3084 * doc/tree-ssa.texi: Update immuse iterator documentation.
3085 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3086 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3087 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3088 first_safe_imm_use, next_safe_imm_use): Remove.
3089 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3090 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3091 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3092 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3093 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3094 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3095 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3096 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3097 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3098 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3099 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3100 (perfect_nestify): Use new iterator.
3101 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3103 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3104 (next_imm_name): New field in struct immediate_use_iterator_d.
3105 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3106 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3107 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3108 * tree-cfg.c (replace_uses_by): Use new iterator.
3109 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3110 * tree-ssa-operands.c (correct_use_link): Remove.
3111 (finalize_ssa_use_ops): No longer call correct_use_link.
3113 2006-04-27 Stuart Hastings <stuart@apple.com>
3115 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3116 * config/t-darwin (crt3.o): Use it.
3117 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3118 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3119 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3120 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3121 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3124 2006-04-27 Roger Sayle <roger@eyesopen.com>
3126 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3127 size, force the intermediate into a new pseudo rather instead of
3128 performing both a bitwise AND and a bitwise IOR in memory.
3130 2006-04-27 Richard Guenther <rguenther@suse.de>
3132 PR rtl-optimization/26685
3133 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3134 this one "max-flow-memory-locations".
3136 2006-04-27 Richard Guenther <rguenther@suse.de>
3138 PR tree-optimization/25148
3139 * tree-vrp.c (compare_values): Remove code dealing with
3140 comparisons against type min/max value. Honour overflow
3141 and negative constants in code dealing with comparisons
3142 of plus and minus expressions.
3143 (value_inside_range): Use fold_binary with LE_EXPR and
3144 GE_EXPR rather than compare_values.
3146 2006-04-27 Dirk Mueller <dmueller@suse.de>
3148 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3151 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3153 * basic-block.h (safe_insert_insn_on_edge): Removed.
3154 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3156 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3157 Paolo Bonzini <bonzini@gnu.org>
3160 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3161 (simplify_and_const_int): Same.
3163 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3165 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3167 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3170 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3171 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3172 cgraph_global_info_ready.
3175 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3178 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3179 either decl or init is error_mark_node.
3182 * tree-flow.h (struct omp_region): Add sched_kind.
3183 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3184 instead of extracting omp for data.
3185 (expand_omp_for): Save extracted sched_kind.
3187 2006-04-25 Roger Sayle <roger@eyesopen.com>
3189 * expmed.c (store_bit_field): Also check whether the bitsize is
3190 valid for the machine's "insv" instruction before moving the
3191 target into a pseudo for use with the insv.
3192 * config/i386/predicates.md (const8_operand): New predicate.
3193 * config/i386/i386.md (extv, extzv, insv): Use the new
3194 const8_operand predicate where appropriate.
3196 2006-04-25 DJ Delorie <dj@redhat.com>
3198 * doc/install.texi (Specific): Clarify that this is not a list of
3199 supported hosts or targets.
3201 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3203 PR rtl-optimization/26725
3204 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3205 block's BB_DIRTY flag.
3207 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3209 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3212 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3213 to print an integer.
3215 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3217 * varasm.c (align_variable): New function.
3218 (get_block_for_decl): Apply align_variable to DECL before
3219 calculating section information.
3220 (assemble_variable): Split out alignment computation.
3222 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3224 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3227 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3229 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3230 MODE_PARTIAL_INT mode.
3231 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3232 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3234 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3235 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3237 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3239 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3241 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3242 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3243 MACFLAG_IH): Likewise.
3244 (movstricthi_1): Renamed from "*movstricthi".
3245 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3246 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3247 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3248 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3249 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3250 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3251 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3252 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3253 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3254 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3255 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3256 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3257 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3258 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3259 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3261 * doc/rtl.texi (ss_ashift): Improve wording.
3263 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3265 * dwarf2out.c (verify_marks_clear): New.
3266 (prune_unused_types): Call verify_marks_clear initially, not
3269 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3271 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3272 * doc/rtl.texi: Document them.
3273 * simplify-rtx.c (simplify_unary_operation,
3274 simplify_binary_operation_1): Don't abort when we see them.
3276 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3279 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3280 * configure.ac: Completely disregard languages that are not
3282 * configure: Regenerated.
3284 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3285 Richard Guenther <rguenther@suse.de>
3287 PR tree-optimization/27236
3288 * tree-inline.c (copy_body_r): Make sure to copy
3289 TREE_THIS_VOLATILE flag.
3291 2006-04-24 Richard Guenther <rguenther@suse.de>
3294 * tree-complex.c (update_parameter_components): Don't handle
3295 unused parameters which have no default def.
3297 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3298 Richard Guenther <rguenther@suse.de>
3300 PR tree-optimization/27218
3301 * tree-inline.c (expand_call_inline): Strip useless type
3302 conversions for the return slot address.
3304 2006-04-24 Richard Guenther <rguenther@suse.de>
3306 * cfgloop.h (struct loops): Remove unused field array. Reorder
3308 (LOOP_PREFETCH): Remove.
3310 2006-04-24 Richard Guenther <rguenther@suse.de>
3312 PR tree-optimization/22525
3313 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3314 variable, adjust types of generated expressions.
3316 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3318 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3319 (tree-vect-patterns.o): Likewise.
3321 (cselib.o): Likewise.
3322 (loop-doloop.o): Likewise.
3323 (regclass.o): Likewise.
3324 (reload1.o): Likewise.
3325 (explow.o): Replace target.h with $(TARGET_H).
3326 (ipa-prop.o): Likewise.
3327 (ipa-cp.o): Likewise.
3328 (ipa-inline.o): Likewise.
3329 (reorg.o): Likewise.
3330 (reg-stack.o): Likewise.
3332 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3334 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3336 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3338 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3340 * configure.ac: Completely disregard languages that are not
3342 * configure: Regenerated.
3345 * c-common.h (c_build_bitfield_integer_type): Declare.
3346 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3347 * c-common.c (c_build_bitfield_integer_type): ... here.
3349 2006-04-23 Roger Sayle <roger@eyesopen.com>
3352 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3353 a SImode SUBREG of a floating point register after no_new_pseudos.
3355 2006-04-23 Roger Sayle <roger@eyesopen.com>
3357 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3358 identify potentially eliminable registers to additionally catch
3359 VIRTUAL_INCOMING_ARGS_REGNUM.
3360 (addsi3): Update the conditions on when to use addsi_small_int.
3362 2006-04-23 Roger Sayle <roger@eyesopen.com>
3365 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3366 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3367 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3369 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3371 * fold-const.c (range_predecessor): Use operand_equal_p
3372 as the predicate for equality.
3373 (range_successor): Likewise.
3375 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3378 * config/soft-fp/op-common.h: Fix a typo.
3380 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3383 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3384 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3386 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3388 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3390 * doc/tm.texi: Fix a typo.
3392 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3394 * dwarf2out.c (struct die_struct): Document that die_sib makes
3395 a circular linked list.
3396 (FOR_EACH_CHILD): New.
3397 (reverse_die_lists): Delete.
3398 (reverse_all_dies): Delete.
3399 (add_dwarf_attr): Correct documentation.
3400 (remove_child_with_prev): New.
3401 (remove_child_TAG): Update for change to die_struct, use
3402 remove_child_with_prev.
3403 (add_child_die): Update for change to die_struct.
3404 (splice_child_die): Use remove_child_with_prev and add_child_die.
3405 (print_die): Use FOR_EACH_CHILD.
3406 (die_checksum): Likewise.
3407 (assign_symbol_names): Likewise.
3408 (output_location_lists): Likewise.
3409 (build_abbrev_table): Likewise.
3410 (calc_die_sizes): Likewise.
3411 (mark_dies): Likewise.
3412 (unmark_dies): Likewise.
3413 (unmark_all_dies): Likewise.
3414 (output_die): Likewise.
3415 (prune_unused_types_mark): Likewise.
3416 (prune_unused_types_walk): Likewise.
3417 (same_die_p): Update for change to die_struct.
3418 (break_out_includes): Likewise.
3419 (prune_unused_types_prune): Likewise.
3420 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3421 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3423 (dwarf2out_finish): Don't call reverse_all_dies.
3425 2006-04-21 Eric Christopher <echristo@apple.com>
3427 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3428 in comments and function names.
3430 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3433 * c-typeck.c (digest_init): Robustify.
3435 * c-typeck.c (pop_init_level): Simplify.
3437 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3439 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3441 2006-04-21 Paul Brook <paul@codesourcery.com>
3443 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3444 hardware floating point.
3446 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3448 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3451 2006-04-21 Nick Clifton <nickc@redhat.com>
3453 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3456 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3459 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3460 C++ lang type in traceback table for Objective-C++.
3462 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3464 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3466 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3468 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3471 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3472 were errors. Remove check for erroneous objects.
3474 2006-04-20 Jeff Law <law@redhat.com>
3476 PR tree-optimization/26854
3477 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3478 checking for zero or one use.
3479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3480 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3481 * tree-ssa-reassoc.c (negate_value): Similarly.
3482 (reassociate_bb): Similarly.
3484 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3486 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3487 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3488 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3490 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3492 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3493 fp regs if the last fp arg doesn't fit in regs.
3495 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3498 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3499 that the last insn has the REG_INC note.
3501 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3502 Nathan Sidwell <nathan@codesourcery.com>
3505 * stor-layout.c (update_alignment_for_field): Do not align
3507 (place_union_field): Place union field at the start of the union.
3508 (place_field): Move ERROR_MARK check later, and use the current
3509 allocation position to maintain monotonicity.
3511 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3513 * dominance.c: Include timevar.h.
3514 (calculate_dominance_info): Use TV_DOMINANCE.
3515 * timevar.def (TV_DOMINANCE): New timevar.
3516 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3518 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3520 PR rtl-optimization/14261
3521 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3522 move would be an INSV insn.
3523 (noce_process_if_block): Don't optimize if the destination is a
3524 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3526 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3528 * config/s390/s390.md: Add comments with the instructions emitted
3529 by an insn pattern if macros are used.
3531 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3533 PR rtl-optimization/26026
3534 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3535 is a known power of two shifted left a variable amount.
3537 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3539 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3540 to hash table twice when the debug_str section has SECTION_MERGE.
3542 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3544 * config/soft-fp: New directory. From glibc.
3545 * config/soft-fp/t-softfp: New.
3546 * config/soft-fp/README: New.
3547 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3548 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3549 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3550 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3551 * config.gcc: Use rs6000/t-fprules-fpbit or
3552 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3554 * config/rs6000/sfp-machine.h: New. Based on glibc.
3555 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3557 * config/rs6000/t-fprules: Remove fp-bit rules.
3558 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3559 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3560 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3561 (softfp_wrap_start, softfp_wrap_end): New.
3563 2006-04-18 DJ Delorie <dj@redhat.com>
3565 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3567 2006-04-18 Devang Patel <dpatel@apple.com>
3569 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3571 2006-04-18 Nick Clifton <nickc@redhat.com>
3573 * config/sh/t-symbian: Add rule to build sh-c.o
3574 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3575 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3576 (sh_symbian_encode_section_info): Likewise.
3578 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3580 * builtins.c (expand_builtin_strcmp): Cover label definition of
3581 do_libcall with HAVE_cmpstrnsi.
3583 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3585 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3587 * function.h (temp_slot_p): New.
3588 (function): Change the type of x_used_temp_slots to
3589 VEC(temp_slot_p,gc) *.
3591 2006-04-18 Nick Clifton <nickc@redhat.com>
3593 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3594 flag_strength_reduce.
3596 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3598 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3602 Partial revert of revision 112637
3603 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3604 Dale Johannesen <dalej@apple.com>
3607 * regclass.c (struct reg_pref): Update documentation.
3608 (regclass): Set prefclass to NO_REGS if memory is the best option.
3609 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3611 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3613 PR tree-optimization/26821
3614 * tree-ssa-math-opts.c (get_constant_one): New.
3615 (insert_reciprocals): Use it.
3617 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3619 * dwarf2out.c (free_AT): Delete.
3620 (remove_AT): Update string ref counts.
3621 (remove_child_TAG): Don't call free_die.
3623 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3624 or DW_TAG_GNU_EINCL.
3625 (prune_unused_types_walk_attribs): Reset string refcounts.
3626 (prune_unused_types_update_strings): New.
3627 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3628 call free_die. Do call prune_unused_types_update_strings.
3629 (prune_unused_types): Empty debug_str_hash.
3631 2006-04-17 Roger Sayle <roger@eyesopen.com>
3633 * expr.c (expand_assignment): Optimize away no-op moves where the
3634 source and destination are equal and have no side-effects.
3636 2006-04-17 Richard Guenther <rguenther@suse.de>
3639 * reload.c (push_reload): Guard calls to get_secondary_mem
3642 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3644 * alias.c (reg_base_value, old_reg_base_value): Change the
3645 type to VEC(rtx,gc) *.
3646 (REG_BASE_VALUE, find_base_value, record_set,
3647 init_alias_analysis): Use VEC instead of VARRAY.
3649 * alias.c (alias_sets): Change the type to
3650 VEC(alias_set_entry,gc) *.
3651 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3652 VEC instead of VARRAY.
3653 (last_alias_set): Remove.
3655 * cgraph.h (cgraph_edge_p): New.
3656 Update the prototype of cgraph_function_versioning.
3657 * cgraphunit.c (cgraph_copy_node_for_versioning,
3658 cgraph_function_versioning): Use VEC instead of VARRAY.
3659 * ipa-cp.c (ipcp_insert_stage): Likewise.
3661 2006-04-16 Roger Sayle <roger@eyesopen.com>
3664 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3665 "A op B" or "A op C", we may need to convert A to the type of B and C.
3667 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3669 * target.h (struct gcc_target): Add mode_rep_extended.
3670 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3671 (init_num_sign_bit_copies_in_rep): Initialize it using
3673 (truncate_to_mode): Use it.
3674 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3675 * targhooks.h (default_mode_rep_extended): Declare it.
3676 * targhooks.c (default_mode_rep_extended): Define it.
3677 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3678 default_mode_rep_extended.
3679 (TARGET_INITIALIZER): Include it.
3680 * doc/tm.texi (Misc): Document it.
3681 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3682 (mips_truncated_to_mode): New function.
3684 2006-04-16 Roger Sayle <roger@eyesopen.com>
3687 * expr.c (compress_float_constant): Copy the narrow constant into
3688 a new pseudo before extending it to its final width.
3690 2006-04-16 Roger Sayle <roger@eyesopen.com>
3691 Andrew Pinski <pinskia@gcc.gnu.org>
3692 Dale Johannesen <dalej@apple.com>
3695 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3696 special case code to implement V8HImode and V16QImode with SSE2.
3698 2006-04-15 Roger Sayle <roger@eyesopen.com>
3700 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3701 trees are constructed with a suitable tree type.
3703 2006-04-15 Roger Sayle <roger@eyesopen.com>
3705 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3706 (integer_onep): Likewise.
3707 (integer_all_onesp): Likewise.
3708 (integer_pow2p): Likewise.
3709 (integer_nonzerop): Likewise.
3710 (real_zerop): Likewise.
3711 (real_onep): Likewise.
3712 (real_twop): Likewise.
3713 (real_minus_onep): Likewise.
3714 (int_size_in_bytes): Likewise.
3715 (host_integerp): Likewise.
3717 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3719 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3720 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3721 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3723 * tree-ssa-structalias.h (alias_info): Remove num_references.
3725 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3727 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3728 (output_bvb patterns): Likewise.
3729 * pa.c (output_bb): Use 'bb' insn for long branch case.
3730 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3731 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3732 1. Correct length operand for alternatives 1 and 2.
3733 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3734 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3736 2006-04-14 Roger Sayle <roger@eyesopen.com>
3738 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3739 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3740 were accidentally reverted by r112959.
3742 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3745 * except.h (eh_region_outermost): New prototype.
3746 * except.c (eh_region_outermost): New function.
3747 * tree-cfg.c (find_outermost_region_in_block): Use it.
3749 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3751 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3753 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3754 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3755 (init_reload, reload): Use VEC instead of VARRAY.
3756 * reload.h: Update the prototype for
3757 reg_equiv_memory_loc_varray.
3759 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3760 Eric Botcazou <ebotcazou@libertysurf.fr>
3762 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3765 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3768 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3769 to expand fallback builtin function call.
3771 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3774 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3775 and emit libcall here in case the builtin fails.
3776 (expand_builtin_strcmp): Always emit the libcall here on failure.
3778 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3780 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3781 * flow.c (reg_n_info): Change the type to
3782 VEC(reg_info_p,heap) *.
3783 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3785 * regs.h (reg_info_p): New.
3786 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3787 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3788 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3791 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3793 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3795 * params.h (MAX_SCHED_READY_INSNS): New macro.
3796 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3797 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3798 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3799 the ready list for 1 cycle during the first scheduling pass.
3800 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3802 2006-04-13 Richard Henderson <rth@redhat.com>
3805 * gimple-low.c (lower_omp_directive): Remove dead code.
3806 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3807 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3808 * omp-low.c (struct omp_region): Move to tree-flow.h.
3809 (root_omp_region): Export.
3810 (omp_regions, lookup_omp_region): Remove.
3811 (determine_parallel_type): Update for struct omp_region changes.
3812 (dump_omp_region): Dump regions with block numbers.
3813 (new_omp_region): Take type and block instead of stmt; malloc
3815 (free_omp_region_1, free_omp_regions): New.
3816 (expand_parallel_call): Take entry_stmt as argument; update for
3817 changes to omp_region.
3818 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3819 (remove_exit_barriers): New.
3820 (expand_omp_parallel): Update for struct omp_region changes.
3821 (expand_omp_synch): Likewise.
3822 (expand_omp): Likewise.
3823 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3824 (expand_omp_for_static_chunk): Likewise.
3825 (expand_omp_for): Likewise.
3826 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3827 (expand_omp_sections): Similarly, with GOMP_sections_end.
3828 (expand_omp_single): New.
3829 (build_omp_regions_1): Update for OMP_CONTINUE.
3830 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3831 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3832 OMP_SECTIONS_SECTIONS.
3833 (lower_omp_single_simple): Don't emit barrier here.
3834 (lower_omp_single_copy): Likewise.
3835 (lower_omp_single): Fix bindings, and lower to straightline now.
3836 (lower_omp_master, lower_omp_ordered): Likewise.
3837 (lower_omp_critical): Likewise.
3838 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3839 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3840 omp edges, free it afterward.
3841 (make_omp_sections_edges): Remove.
3842 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3843 (move_stmt_r): Handle OMP_CONTINUE.
3844 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3845 statement pointers to basic blocks. Add type member.
3846 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3847 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3848 * tree-inline.c (estimate_num_insns_1): Likewise.
3849 * tree-pretty-print.c (dump_generic_node): Likewise.
3850 * tree-ssa-operands.c (get_expr_operands): Likewise.
3851 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3852 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3853 (OMP_CONTINUE): New.
3854 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3855 (OMP_SECTIONS_SECTIONS): Remove.
3856 (OMP_SECTION_LAST): New.
3857 (OMP_RETURN_NOWAIT): New.
3859 2006-04-13 Roger Sayle <roger@eyesopen.com>
3861 * fold-const.c (native_encode_vector, native_interpret_real):
3862 Correct obvious mistakes in the previous check-in.
3864 2006-04-13 Roger Sayle <roger@eyesopen.com>
3866 * fold-const.c (native_encode_expr): New function to encode
3867 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3868 or VECTOR_CST into a specified buffer.
3869 (native_encode_int): New function.
3870 (native_encode_real): New function.
3871 (native_encode_complex): New function.
3872 (native_encode_vector): New function.
3873 (native_interpret_expr): Inverse of native_encode_expr to convert
3874 a target representation into an INTEGER_CST, REAL_CST etc...
3875 (native_interpret_int): New function.
3876 (native_interpret_real): New function.
3877 (native_interpret_complex): New function.
3878 (native_interpret_vector): New function.
3879 (fold_view_convert_expr): New function to constant fold/evaluate
3880 a VIEW_CONVERT_EXPR of a suitable constant expression.
3881 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3882 Change call of build1 to fold_build1 when constructing a
3885 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3886 Ulrich Weigand <uweigand@de.ibm.com>
3889 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3892 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3895 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3896 optimize to lo_sum for DFmode if !TARGET_FPRS.
3898 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3900 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3901 delete_alias_info, compute_flow_sensitive_aliasing,
3902 group_aliases): Use VEC instead of VARRAY.
3903 * tree-ssa-structalias.c (update_alias_info): Likewise.
3904 * tree-ssa-structalias.h (alias_info): Change the type of
3905 processed_ptrs to VEC(tree,heap) *.
3907 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3910 * config/sh/lib1funcs.h: New file, broken out of:
3911 * config/sh/lib1funcs.asm.
3912 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3914 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3915 * config/sh/lib1funcs-Os-4-200.asm: New file.
3916 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3917 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3918 (EXTRA_MULTILIB_PARTS): Include it.
3919 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3920 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3921 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3922 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3925 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3927 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3928 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3929 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3931 * tree-ssa-live.h: Include vecprim.h.
3932 (tree_partition_associator_d): Change the type of
3933 first_partition to VEC(int,heap) *.
3934 (tpa_first_partition): Use VEC instead of VARRAY.
3936 * Makefile.in (GTFILES): Move functions.h after tree.h.
3937 * function.c (reset_block_changes, record_block_change,
3938 check_block_change, free_block_changes): Use VEC instead of
3940 * function.h (function): Change the type of
3941 ib_boundaries_block to VEC(tree,gc) *.
3942 * tree-inline.c (copy_cfg_body): Initialize
3943 ib_boundaries_block to NULL instead of (varray_type) 0.
3945 2006-04-12 Roger Sayle <roger@eyesopen.com>
3947 * expr.c (emit_group_store): Correct operand order in call to
3948 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3949 a SUBREG_BYTE of zero.
3951 2006-04-12 Richard Guenther <rguenther@suse.de>
3953 * profile.c (compute_branch_probabilities): Remove code
3954 encapsulated in !ir_type (), which are remanents of the
3955 removed RTL profiling code.
3956 * rtl-profile.c: Remove.
3958 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3960 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3961 magic NULL_RTX comment.
3962 (function_arg): Store entire fp arg to mem if any part should go
3964 (rs6000_arg_partial_bytes): Adjust for above change.
3966 2006-04-11 Roger Sayle <roger@eyesopen.com>
3968 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3969 if it hasn't been initialized by dwarf2out_init.
3971 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3973 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3974 symbolic constants in branch patterns.
3976 2006-04-11 Roger Sayle <roger@eyesopen.com>
3978 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3980 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3982 PR rtl-optimization/27073
3983 * gcse.c (try_replace_reg): Revert last change. Continue to search
3984 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3987 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3989 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3990 aggregate types other than record and union types.
3991 (function_arg): Likewise.
3992 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3994 (function_value): In 64-bit mode, return objects that require it
3997 2006-04-11 Roger Sayle <roger@eyesopen.com>
3999 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4001 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4003 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4005 2006-04-03 Jeff Law <law@redhat.com>
4008 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4009 alias information too.
4011 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4013 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4015 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4018 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4019 (premark_used_types_helper): New.
4020 (premark_used_types): New.
4021 (gen_subprogram_die): Call premark_used_types.
4022 (prune_unused_types_walk): Do not prune perennial dies.
4023 * function.c (used_types_insert): New.
4024 * function.h (struct function): Add used_types_hash field.
4025 (used_types_insert): Add prototype.
4026 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4027 * c-parser.c (c_parser_cast_expression): Save casted types in used
4030 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4033 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4034 rs6000_explicit_options.float_gprs.
4036 2006-04-10 Roger Sayle <roger@eyesopen.com>
4038 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4039 from ix86_expand_vector_init_low_nonzero. Take an additional
4040 one_var argument indicating which element is non-zero. Support
4041 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4042 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4043 with one_var instead of ix86_expand_vector_init_low_nonzero.
4045 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4047 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4048 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4049 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4050 build/genextract.o): Depend on vecprim.h.
4051 * cfglayout.c, df-problems.c, function.c, genextract.c,
4052 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4053 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4057 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4059 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4060 Declare VECs of this type.
4061 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4062 (remove_children): Delete.
4063 (add_dwarf_attr): Use VEC routines.
4064 (add_AT_flag): Update for changes to add_dwarf_attr.
4065 (add_AT_int): Likewise.
4066 (add_AT_unsigned): Likewise.
4067 (add_AT_long_long): Likewise.
4068 (add_AT_vec): Likewise.
4069 (add_AT_string): Likewise.
4070 (add_AT_die_ref): Likewise.
4071 (add_AT_fde_ref): Likewise.
4072 (add_AT_loc): Likewise.
4073 (add_AT_loc_list): Likewise.
4074 (add_AT_addr): Likewise.
4075 (add_AT_lbl_id): Likewise.
4076 (add_AT_lineptr): Likewise.
4077 (add_AT_macptr): Likewise.
4078 (add_AT_offset): Likewise.
4079 (add_AT_range_list): Likewise.
4080 (get_AT): Use VEC_iterate.
4081 (remove_AT): Use VEC_ordered_remove.
4082 (free_die): Fold remove_children into here; have it use VEC_iterate.
4083 (print_die): Use VEC_iterate on attrs.
4084 (reverse_die_lists): Don't reverse attr lists.
4085 (die_checksum): Use VEC_iterate on attrs.
4086 (same_die_p): Likewise.
4087 (output_location_lists): Likewise.
4088 (build_abbrev_table): Likewise.
4089 (size_of_die): Likewise.
4090 (unmark_all_dies): Likewise.
4091 (output_abbrev_section): Likewise.
4092 (output_die): Likewise.
4093 (prune_unused_types_walk_attribs): Likewise.
4095 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4097 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4099 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4102 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4104 2006-04-09 Roger Sayle <roger@eyesopen.com>
4106 * expr.c (store_constructor): Don't bother clearing target if
4107 we're about to assign a vector to it using vec_init_optab.
4109 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4111 * tree-ssa-alias.c (lhs_may_store_to): New function.
4112 (recalculate_used_alone): Handle LHS of calls.
4114 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4118 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4119 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4120 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4121 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4122 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4123 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4124 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4125 stubs. Add ".align 8" directives before all ".dword" directives.
4126 (GTHREAD_USE_WEAK): Revise comment.
4127 (TARGET_ATTRIBUTE_WEAK): Define.
4128 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4129 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4130 * stublib.c: New file.
4135 * pa.md (cbranch patterns): Revise arguments used in calls to
4136 output_cbranch, output_bb and output_bvd. Add long branch length
4138 (fbranch patterns): Handle long branches.
4139 (jump): Revise length check. Revise arguments for output_lbranch call.
4140 Add long branch length attributes.
4141 (decrement_and_branch_until_zero): Add long branch length attributes.
4142 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4143 Likewise. Revise arguments for output_parallel_addb and
4144 output_parallel_movb calls.
4145 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4146 output_parallel_movb and output_parallel_addb): Update prototypes.
4147 * pa.c (output_cbranch): Revise arguments. Correct handling of
4148 nullification in long branches.
4149 (output_lbranch): Add new argument to control extraction of delay
4151 (output_bb): Handle long branches.
4152 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4153 output_parallel_addb): Likewise.
4155 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4157 PR rtl-optimization/27073
4158 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4161 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4163 * tree.h (tree_memory_tag): Add old_used_alone.
4164 (SMT_OLD_USED_ALONE): New macro.
4165 * tree-ssa-alias.c (recalculate_used_alone): Stop
4166 marking things for renaming unnecessarily.
4168 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4170 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4171 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4172 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4173 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4174 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4175 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4176 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4177 spelling convensions.
4178 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4179 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4180 typos. Follow spelling conventions.
4182 2006-04-07 DJ Delorie <dj@redhat.com>
4184 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4185 passed on the stack.
4186 (m32c_init_cumulative_args): When a function returns a structure,
4187 always pass the pointer to that return area on the stack.
4188 (m32c_function_arg_advance): Don't increment the parameter number
4189 if we're processing the returned structure pointer.
4190 (pushm_info): Reverse order of registers.
4192 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4194 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4195 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4196 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4197 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4199 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4200 chrec_fold_multiply): Same.
4201 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4202 force_expr_to_var_cost): Same.
4203 * tree-mudflap.c (mf_xform_derefs_1): Same.
4204 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4206 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4208 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4209 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4212 2006-04-07 Jan Hubicka <jh@suse.cz>
4214 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4216 2006-04-07 Richard Guenther <rguenther@suse.de>
4218 PR tree-optimization/26135
4219 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4220 loads for store copy-prop.
4221 (copy_prop_visit_stmt): Likewise.
4223 2006-04-05 Robert Millan <robertmh@gnu.org>
4225 * config/i386/linux.h: Add a comment to mark macros that are
4226 being overriden in config/k*bsd-gnu.h.
4227 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4229 * config/knetbsd-gnu.h: Ditto.
4231 2006-04-06 Jan Hubicka <jh@suse.cz>
4235 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4238 2006-04-06 Mike Stump <mrs@apple.com>
4240 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4241 for HAVE_nonlocal_goto to be consistent.
4242 (expand_builtin_nonlocal_goto): Likewise.
4243 (expand_builtin_strcmp): Use #ifdef instead of #if
4244 for HAVE_cmpstrnsi to be consistent.
4246 2006-04-05 DJ Delorie <dj@redhat.com>
4248 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4251 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4253 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4254 got-relative addressing for anything but SImode.
4256 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4257 even if the calling function doesn't modify them.
4259 2006-04-05 Richard Guenther <rguenther@suse.de>
4261 PR tree-optimization/26919
4262 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4263 to cgraph_estimate_size_after_inlining.
4265 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4267 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4269 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4271 PR tree-optimization/26996
4272 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4273 VECTOR_TYPE variables.
4275 2006-04-05 Richard Guenther <rguenther@suse.de>
4277 PR tree-optimization/26763
4278 * fold-const.c (fold_comparison): Move folding of
4279 PTR + CST CMP PTR + CST ...
4280 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4282 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4284 * doc/install.texi (Prerequisites): Refine some wording on
4285 bootstrapping and ksh.
4286 Move the version numbers of DejaGnu here from the testing section
4287 and fix casing of names.
4288 Fix markup and clarify wording for autogen requirements.
4289 Refer to GCJ instead of just java.
4290 Refer to SVN instead of CVS.
4291 Describe diffutils as useful instead of necessary.
4292 (Downloading the source): Refer to SVN instead of CVS.
4293 Adjust a link to our web site accordingly.
4294 (Configuration): Fix casing of Bison.
4295 (Building): Refer to SVN instead of CVS.
4296 Fix a sentence on the use of Bison and remove duplicate (and
4297 incorrect) version number of Bison requirement.
4298 Remove one redundant list of packages needed for building.
4299 (Specific): Avoid reference to CVS.
4301 2006-04-04 Eric Christopher <echristo@apple.com>
4303 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4304 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4305 (rs6000_handle_struct_attribute): New.
4306 (rs6000_ms_bitfield_layout_p): Ditto.
4308 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4310 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4311 NULL for dso parameter to atexit_common.
4313 2006-04-04 Eric Christopher <echristo@apple.com>
4315 * config/i386/i386.c (machopic_output_stub): Output \t
4316 between instructions and operands.
4318 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4320 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4321 satisfies_constraint_[IL] to explicit tests on value.
4323 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4325 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4326 set_nb_iterations_in_loop): Use build_int_cst instead of
4328 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4329 build_int_cst instead of convert.
4331 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4333 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4334 new value 2 for incoming.
4335 * function.c (expand_function_start): Call struct_value_rtx
4337 * config/sparc/sparc.md: Comment updated_return.
4338 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4339 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4340 struct return if sparc_std_struct_return and incoming is 2.
4341 (print_operand): Do not adjust return if
4342 sparc_std_struct_return.
4344 2006-04-04 Roger Sayle <roger@eyesopen.com>
4346 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4347 convert in the middle-end.
4348 * expr.c (store_expr, store_constructor, get_inner_reference,
4349 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4351 * tree.c (build_range_type): Likewise.
4353 2006-04-04 Tom Tromey <tromey@redhat.com>
4355 * doc/install.texi (Prerequisites): Mention jar.
4357 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4359 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4362 2006-04-04 Matthias Klose <doko@debian.org>
4364 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4365 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4368 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4370 * doc/extend.texi (Function Attributes): Rewrite visibility
4371 attribute documentation.
4372 * doc/invoke.texi (C++ Dialect Options): Rewrite
4373 -fvisibility-inlines-hidden documentation to describe something
4374 entirely different, although in practise compatible.
4375 (Code Gen Options): Warn about system headers in -fvisibility=
4378 * doc/extend.texi (Other Builtins): Document that
4379 __builtin_nan is a compile-time constant only when its argument
4382 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4384 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4385 trying to remove TRUNCATE check if all bits outside the new mode
4386 are identical to the sign bit.
4388 2006-04-03 Jeff Law <law@redhat.com>
4390 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4391 and operand scanning in some common cases.
4393 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4394 Dale Johannesen <dalej@apple.com>
4397 * regclass.c (struct reg_pref): Update documentation.
4398 (regclass): Set prefclass to NO_REGS if memory is the best option.
4399 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4400 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4401 into account. For non-registers, equate an empty preferred
4402 reload class to a `!' in the constraint; move the if clause to
4403 do so after those that reject the insn.
4404 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4406 (find_dummy_reload): Likewise.
4407 * doc/tm.texi (Register Classes): Document what it means
4408 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4409 * config/i386/i386.c (ix86_preferred_reload_class): Force
4410 using SSE registers (and return NO_REGS for floating-point
4411 constants) if math is done with SSE.
4412 (ix86_preferred_output_reload_class): New.
4413 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4414 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4415 * config/i386/i386.md: Remove # register preferences.
4417 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4420 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4421 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4422 the type of nb_iter.
4423 (instantiate_parameters_1): Convert the operands before calling
4424 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4425 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4427 2006-04-02 Roger Sayle <roger@eyesopen.com>
4429 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4430 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4432 * dojump.c (do_jump): Likewise.
4433 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4434 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4435 gimplify_boolean_expr): Likewise.
4436 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4437 * varasm.c (array_size_for_constructor): Likewise.
4438 * tree-object-size.c (compute_object_offset): Likewise.
4440 2006-04-02 Roger Sayle <roger@eyesopen.com>
4443 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4444 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4446 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4448 PR tree-optimization/26939
4449 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4451 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4453 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4454 at_stmt. Convert the type of operands before calling
4455 build_polynomial_chrec.
4456 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4458 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4459 (instantiate_parameters_1): Convert the type of operands before calling
4460 build_polynomial_chrec.
4461 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4462 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4463 reset_evolution_in_loop): Insert asserts to check the types of the
4465 (chrec_type): Moved...
4466 (eq_evolutions_p): Use operand_equal_p.
4467 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4468 the types of the operands.
4469 (chrec_type): ...here.
4470 * tree-data-ref.c (create_data_ref): Convert the operands before
4471 calling chrec_replace_initial_condition.
4472 (same_access_functions, analyze_subscript_affine_affine,
4473 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4474 (compute_subscript_distance, analyze_ziv_subscript,
4475 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4476 analyze_miv_subscript): Convert the operands before calling
4477 chrec_fold_minus or chrec_fold_plus.
4479 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4481 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4482 the dependence_relations vector.
4483 (compute_data_dependences_for_loop): Adjust call to
4484 compute_all_dependences.
4486 2006-04-01 Roger Sayle <roger@eyesopen.com>
4487 Richard Henderson <rth@redhat.com>
4489 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4490 gimple_boolify on the condition before calling gimplify_expr.
4492 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4494 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4495 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4496 the frame size. Update to use the new macros.
4497 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4498 * config/xtensa/ieee754-df.S: Likewise.
4500 2006-03-31 Richard Henderson <rth@redhat.com>
4502 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4503 (make_edges): ... here. Control fallthru creation with a local
4504 variable. Do not play with fake edges.
4505 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4506 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4509 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4511 * dwarf2.h (DW64_CIE_ID): Define.
4512 * dwarf2out.c (DWARF_CIE_ID): Define.
4513 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4514 length header. Use DWARF_CIE_ID.
4515 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4516 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4518 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4520 * config/sh/linux-atomic.asm: New file.
4521 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4523 2006-03-31 DJ Delorie <dj@redhat.com>
4525 * config/m32c/cond.md: Set condition flags properly throughout.
4526 * config/m32c/minmax.md: Likewise.
4527 * config/m32c/prologue.md: Likewise.
4528 * config/m32c/bitops.md: Likewise.
4529 * config/m32c/muldiv.md: Likewise.
4530 * config/m32c/mov.md: Likewise.
4531 * config/m32c/addsub.md: Likewise.
4532 * config/m32c/m32c.md: Likewise.
4533 * config/m32c/jump.md: Likewise.
4534 * config/m32c/shift.md: Likewise.
4536 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4537 conditionally output the pattern for this.
4538 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4539 (m32c_compare_redundant): New.
4540 (m32c_output_compare): New.
4541 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4543 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4544 dest, not src. Allow other 4-byte modes.
4546 2006-03-30 Denis Chertykov <denisc@overta.ru>
4548 * doc/md.texi: Refer to avr/constraints.md instead of
4551 2006-03-30 Roger Sayle <roger@eyesopen.com>
4553 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4554 signed vs. unsigned comparison failures on some hosts.
4556 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4559 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4560 change to FLOAT_REGS.
4562 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4563 (rs6000_override_options): Use it.
4564 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4565 only for -mabi=spe/no-spe and -mabi=altivec.
4567 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4569 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4572 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4574 * Makefile.in: Rename docdir to gcc_docdir.
4576 2006-03-30 Roger Sayle <roger@eyesopen.com>
4579 * expr.c (emit_group_store): Optimize group stores into a pseudo
4580 register by using a paradoxical subreg to initialize the destination
4581 if the first or last member of the group specifies a "low part".
4583 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4586 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4587 * target.h (struct gcc_target.speculate_insn): Change type of the
4588 second parameter to 'int'.
4589 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4590 the second operand of the DEPS_LIST.
4591 (copy_DEPS_LIST_list): Update reference to the second operand of the
4593 * rtl.h (alloc_DEPS_LIST): Update signature.
4594 * sched-int.h (ds_t): Change typedef to 'int'.
4595 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4597 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4599 * haifa-sched.c (try_ready): Change condition to restore
4600 non-speculative pattern of the instruction.
4601 (process_insn_depend_be_in_spec): Code to keep probability of the
4602 speculative dependence non-decreasing.
4604 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4606 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4607 (single_move_for_movmem): ... this. Also change all uses.
4608 (bfin_expand_strmov): Renamed to...
4609 (bfin_expand_movmem): ... this. Also change all uses.
4610 * config/bfin/bfin.md (movstrsi): Renamed to...
4611 (movstrsi): ...this.
4613 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4615 PR tree-optimization/26830
4617 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4618 (copy_prop_visit_stmt): Remove write-only variable ann.
4619 (init_copy_prop): Check variable loop depth here. Do not simulate
4620 memory-tag and virtual operand PHIs except for store copy prop.
4622 2006-03-30 Richard Guenther <rguenther@suse.de>
4624 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4625 variants with double arguments.
4627 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4629 * genpreds.c (write_tm_constrs_h): Delete variable p.
4630 * genconditions.c (write_header): Add tm-constrs.h to included
4632 * genpeep.c (main): Add toplev.h to included headers.
4633 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4634 (build/genpeep.o): Add toplev.h dependency.
4635 * config/rs6000/constraints.md: Add "W" constraint.
4637 2006-03-29 Roger Sayle <roger@eyesopen.com>
4639 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4640 sizes by correctly testing whether the size fits a host integer.
4641 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4642 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4643 SImode range for the default sizetype and bitsizetype.
4645 2006-03-29 Roger Sayle <roger@eyesopen.com>
4647 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4648 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4649 quickly if the argument is already of the correct type.
4650 Call fold_build1 instead of build1. Tidy up blank lines.
4652 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4654 * genemit.c (main): Add tm-constrs.h to included headers.
4655 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4656 * genpeep.c (main): Add tm-constrs.h to included headers.
4657 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4658 (write_tm_constrs_h): this and write complete file.
4659 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4660 (write_insn_preds_c): Add tm-constrs.h to included headers.
4661 (gen_constrs): New variable.
4662 (parse_option): Parse "-c".
4663 (main): Invoke write_tm_constrs_h.
4664 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4665 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4666 (object_out_file): Add tm-constrs.h dependency.
4667 (insn-emit.o): Same.
4668 (insn-output.o): Same.
4669 (insn-peep.o): Same.
4670 (insn-preds.o): Same.
4671 (insn-recog.o): Same.
4672 (tm-constsr.h): New target.
4673 (s-constrs-h): New target.
4675 * config/rs6000/constraints.md: New file.
4676 * config/rs6000/rs6000.c: Include tm-constrs.h.
4677 (num_insn_constant_wide): Convert to satisfies_constraint.
4678 (rs6000_rtx_costs): Convert to satisfies_constraint.
4679 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4680 (CONST_OK_FOR_LETTER_P): Delete.
4681 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4682 (EXTRA_CONSTRAINT): Delete.
4683 (EXTRA_MEMORY_CONSTRAINT): Delete.
4684 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4685 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4686 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4687 satisfies_constraint.
4689 * config/i386/i386.c: Include tm-constrs.h.
4691 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4693 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4694 * tree-data-ref.c (find_data_references_in_loop,
4695 compute_data_dependences_for_loop): Use pointers to VEC.
4696 (analyze_all_data_dependences): Adjust calls.
4697 * tree-data-ref.h (find_data_references_in_loop,
4698 compute_data_dependences_for_loop): Adjust declarations.
4699 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4700 compute_data_dependences_for_loop.
4702 2006-03-29 Paul Brook <paul@codesourcery.com>
4704 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4707 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4709 PR tree-optimization/26859
4710 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4712 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4713 for the step after fold_convert.
4715 2006-03-29 Paul Brook <paul@codesourcery.com>
4717 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4718 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4720 2006-03-29 Paul Brook <paul@codesourcery.com>
4723 * targhooks.c (default_narrow_bitfield): New fuction.
4724 * targhooks.h (default_narrow_bitfield): add prototype.
4725 * target.h (gcc_target): Add narrow_volatile_bitfield.
4726 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4727 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4728 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4729 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4731 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4733 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4735 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4736 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4737 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4738 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4739 (s390_function_arg_float): Allow SDmode and DDmode values to be
4740 passed in floating point registers.
4741 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4742 check with SCALAR_FLOAT_MODE_P.
4743 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4745 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4747 PR tree-optimization/25985
4748 * tree-ssa-loop-niter.c (number_of_iterations_le,
4749 number_of_iterations_ne): Make comments more precise.
4750 (number_of_iterations_cond): Add only_exit argument. Use the
4751 fact that signed variables do not overflow only when only_exit
4753 (loop_only_exit_p): New.
4754 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4755 number_of_iterations_cond.
4757 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4759 PR tree-optimization/26643
4760 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4763 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4765 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4766 (divsi3_i4_int): Likewise.
4768 2006-03-28 Roger Sayle <roger@eyesopen.com>
4770 * expr.c (emit_group_store): Only create a new pseudo reg if the
4771 quantity it needs to hold isn't already a suitable pseudo.
4773 2006-03-28 Jeff Law <law@redhat.com>
4775 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4776 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4778 2006-03-28 Roger Sayle <roger@eyesopen.com>
4780 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4781 the equivalent ~X & Y, and the symmetry related transformations.
4782 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4783 ~X & Y, and symmetry related transforms.
4785 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4787 Revert my 2006-03-27 patches.
4789 2006-03-28 Roger Sayle <roger@eyesopen.com>
4791 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4792 ~(T1)X, when T1 and T2 are integer types of the same precision
4793 and (T2)X isn't an extension.
4795 2006-03-28 Jeff Law <law@redhat.com>
4797 PR tree-optimization/26796
4798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4799 need EH edge cleanups rather than purging them immediately.
4800 (eliminate_degenerate_phis): Handle queued EH cleanups.
4802 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4804 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4807 2006-03-27 Roger Sayle <roger@eyesopen.com>
4810 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4811 cast BIT_NOT_EXPR operand to the correct type.
4813 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4815 * tree-loop-linear.c: Don't include varray.h.
4816 (gather_interchange_stats, try_interchange_loops,
4817 linear_transform_loops): Use VEC instead of VARRAY.
4818 * lambda-mat.c: Don't include varray.h.
4819 * tree-chrec.c: Same.
4820 * lambda-trans.c: Same.
4821 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4822 VEC instead of VARRAY.
4823 * tree-vectorizer.h: Idem.
4824 * tree-data-ref.c (dump_data_references,
4825 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4826 initialize_data_dependence_relation, finalize_ddr_dependent,
4827 compute_all_dependences, find_data_references_in_loop,
4828 compute_data_dependences_for_loop, analyze_all_data_dependences,
4829 free_dependence_relation, free_dependence_relations,
4830 free_data_refs): Idem.
4831 * tree-data-ref.h (data_reference_p, subscript_p): New.
4832 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4833 VEC instead of VARRAY.
4834 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4835 (find_data_references_in_loop, compute_data_dependences_for_loop,
4836 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4837 dump_data_dependence_relations, free_dependence_relations,
4838 free_data_refs): Adjust declaration.
4839 (lambda_transform_legal_p): Move declaration here...
4840 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4841 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4842 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4843 vect_analyze_data_refs): Use VEC instead of VARRAY.
4844 * lambda.h (lambda_transform_legal_p): ...from here.
4845 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4846 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4847 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4848 tree-chrec.o): Don't depend on VARRAY_H.
4850 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4852 * rtl.def (Copyright): Update date.
4853 (DEPS_LIST): Change type of the second operand to 'int'.
4854 * target.h (Copyright): Update date.
4855 (struct gcc_target.speculate_insn): Change type of the second parameter
4857 * lists.c (Copyright): Update date.
4858 (alloc_DEPS_LIST): Change signature. Update reference to the second
4859 operand of the DEPS_LIST.
4860 (copy_DEPS_LIST_list): Update reference to the second operand of the
4862 * rtl.h (Copyright): Update date.
4863 (alloc_DEPS_LIST): Update signature.
4864 * sched-int.h (Copyright): Update date.
4865 (ds_t): Change typedef to 'int'.
4866 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4868 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4870 * haifa-sched.c (Copyright): Update date.
4871 (try_ready): Change condition to restore non-speculative pattern
4873 (process_insn_depend_be_in_spec): Code to keep probability of the
4874 speculative dependence non-decreasing.
4876 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4878 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4879 shut up the compiler.
4881 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4883 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4884 to use lib prefix for target.
4885 ($(T)libic_invalidate_array_4-200.a): Likewise.
4886 ($(T)libic_invalidate_array_4a.a): Likewise.
4888 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4889 J"orn Rennecke <joern.rennecke@st.com>
4891 * superh.opt: New file.
4892 * sh.c (boardtype, osruntime): Remove.
4893 * superh.h (SUBTARGET_OPTIONS): Remove.
4894 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4896 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4897 arguments with ^ and/or [].
4899 * config.gcc (sh-*-*): Add quoting to account for quirk of
4901 Replace == with = in enable_incomplete_targets test.
4903 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4904 with MASK_LITTLE_ENDIAN.
4906 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4907 * config/sh/sh.opt: Added to some comments.
4908 * config/sh/superh.h: Removed some chaff.
4910 * config/sh/sh.opt: Add m4-[1234]00* options.
4911 * config/sh/sh.c (sh_handle_option): Likewise.
4912 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4913 (ic_invalidate_array_4-100.o): New rule.
4914 ($(T)libic_invalidate_array_4-100.a): Likewise.
4915 (ic_invalidate_array_4-200.o): Likewise.
4916 ($(T)libic_invalidate_array_4-200.a): Likewise.
4917 (ic_invalidate_array_4a.o): Likewise.
4918 ($(T)libic_invalidate_array_4a.a): Likewise.
4919 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4920 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4922 * config/sh/crt1.asm: Merged in profiling code.
4923 * config/sh/superh.h (STARTFILE_SPEC): Override.
4924 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4925 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4926 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4928 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4929 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4930 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4932 * sh.opt (mpretend-cmove): New option.
4933 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4934 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4935 (movsicc): Add TARGET_PRETEND_CMOVE code.
4937 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4939 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4940 s390_class_max_nregs): New function prototypes.
4941 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4942 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4943 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4944 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4946 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4948 * dwarf2out.c (add_location_or_const_value_attribute): Call
4949 tree_add_const_value_attribute if nothing else works.
4950 (reference_to_unused): New.
4951 (rtl_for_decl_init): Use reference_to_unused to decide whether
4952 to output an initializer.
4954 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4957 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4958 peephole removing spe frob_di_df_2.
4960 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4962 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4963 (subscript_dependence_tester_1): Declared.
4964 (print_dir_vectors, print_dist_vectors): New.
4965 (debug_data_dependence_relation): New.
4966 (dump_data_dependence_relation): Print more details.
4967 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4968 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4969 (save_dist_v, save_dir_v, add_outer_distances,
4970 build_classic_dist_vector_1): New.
4971 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4972 Don't test for lambda_vector_lexico_pos.
4973 (same_access_functions, add_multivariate_self_dist,
4974 add_other_self_distances, dir_from_dist): New.
4975 (build_classic_dir_vector): Replace implementation almost identical to
4976 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4978 (subscript_dependence_tester_1): New.
4979 (subscript_dependence_tester): Handle the lexicographically negative
4980 distance vectors by recomputing the dependence relation.
4981 (compute_affine_dependence): Remove parameter loop_nest_depth.
4982 (compute_self_dependence): Don't call compute_subscript_distance.
4983 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4984 Add a parameter for the loop_nest.
4985 (find_loop_nest_1, find_loop_nest): New.
4986 (compute_data_dependences_for_loop): Compute the loop nest, and give
4987 up if the nest is not well formed.
4988 * tree-data-ref.h (loop_p): New.
4989 (struct data_dependence_relation): Replace size_vect field with
4990 loop_nest, a vec of loops.
4991 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4992 (DDR_LOOP_NEST): New.
4993 (print_dir_vectors, print_dist_vectors,
4994 debug_data_dependence_relation): Declared.
4995 (index_in_loop_nest): New.
4996 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4997 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5000 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5002 * simplify-rtx.c (simplify_relational_operation): Call
5003 simplify_relational_operation_1 even if mode is VOIDmode.
5005 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5007 PR tree-optimization/26804
5008 * tree.h (DECL_CALL_CLOBBERED): New macro.
5009 (tree_decl_common): Add call_clobbered_flag.
5010 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5011 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5012 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5013 (mark_non_addressable): Ditto.
5014 * tree-ssa.c (verify_call_clobbered): New function.
5015 (verify_alias_info): Use it.
5016 * tree-pass.h (pass_reset_cc_flags): New prototype.
5017 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5018 (reset_cc_flags): New function.
5019 * passes.c (init_optimization_passes): Call reset_cc_flags after
5020 initializing referenced_vars.
5022 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5023 Roger Sayle <roger@eyesopen.com>
5026 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5027 to 1.0 for non-real operands. Implement A / A optimization for
5030 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5032 * config/i386/i386.c (size_cost): Correct the comment for
5033 cost of storing fp registers.
5034 (i386_cost): Likewise.
5035 (i486_cost): Likewise.
5036 (pentium_cost): Likewise.
5037 (pentiumpro_cost): Likewise.
5038 (k6_cost): Likewise.
5039 (athlon_cost): Likewise.
5040 (k8_cost): Likewise.
5041 (pentium4_cost): Likewise.
5042 (nocona_cost): Likewise.
5043 (generic64_cost): Likewise.
5044 (generic32_cost): Likewise.
5046 2006-03-24 Denis Chertykov <denisc@overta.ru>
5048 * config/avr/avr-protos.h (extra_constraint): Delete.
5049 (extra_constraint_Q): New declaration.
5050 * config/avr/constraints.md: New file.
5051 * config/avr/avr.md: Include it.
5052 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5053 (TMP_REGNO, ZERO_REGNO): Likewise.
5054 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5055 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5056 (extra_constraint): Delete.
5057 (extra_constraint_Q): Test for memory constraint 'Q'.
5058 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5059 (REG_CLASS_FROM_LETTER): Delete.
5060 (CONST_OK_FOR_LETTER_P): Delete.
5061 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5062 (EXTRA_CONSTRAINT): Delete.
5063 (TMP_REGNO): Delete.
5064 (ZERO_REGNO): Delete.
5066 2006-03-24 Jeff Law <law@redhat.com>
5068 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5069 directly. Call mark_new_vars_to_rename slightly earlier.
5071 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5073 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5075 (gen_compile_unit_die): Use new language types for Objective-C and
5077 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5078 DW_LANG_C_plus_plus.
5081 * config/t-darwin (crt3.o): Work around bug 26840.
5082 * config/darwin-crt3.c: Rewrite.
5083 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5085 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5087 * doc/invoke.texi: Document -femit-class-debug-always
5088 * common.opt: Add -femit-class-debug-always.
5090 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5092 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5093 index and base register.
5094 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5095 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5096 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5097 REGNO_OK_FOR_INDEX_P.
5098 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5100 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5101 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5102 REG_OK_FOR_BASE_P): Definitions removed.
5104 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5107 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5108 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5109 set yet or weren't marked as local yet.
5111 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5113 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5116 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5118 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5119 (rs6000_legitimate_small_data_p): Delete.
5120 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5121 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5122 and make static. Add forward declaration. Update uses.
5123 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5124 of offsettable_memref_p.
5125 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5126 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5128 2006-03-24 Jeff Law <law@redhat.com>
5130 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5131 around bug in immediate-use iterator.
5133 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5136 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5137 or __LITTLE_ENDIAN__.
5139 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5141 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5142 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5143 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5144 * config/sh/sh.opt (mdiv=): Amend description.
5145 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5146 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5147 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5148 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5149 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5150 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5151 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5152 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5153 TARGET_DIVIDE_CALL_FP.
5155 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5157 * haifa-sched.c (choose_ready): Fix type of the local variable.
5158 Move local variables. Add comment.
5159 (check_reg_live): Change signature. Make callable from debugger.
5160 * sched-int.h (check_reg_live): Update signature.
5161 * sched-ebb.c (check_reg_live): Update parameters.
5162 * sched-rgn.c (check_reg_live): Ditto.
5163 (region_head_or_leaf_p): Check pointer before dereferencing.
5164 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5165 before reload on optimization levels below 1.
5167 2006-03-23 Richard Henderson <rth@redhat.com>
5169 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5173 * config/alpha/predicates.md (local_symbolic_operand): Reject
5176 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5179 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5180 expressions which have overflowed constants.
5182 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5184 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5186 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5188 * cfgloopmanip.c (create_loop_notes): Removed.
5189 * final.c (final_scan_insn): Do not handle loop notes.
5190 * jump.c (squeeze_notes): Ditto.
5191 * cfglayout.c (skip_insns_after_block,
5192 duplicate_insn_chain): Ditto.
5193 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5195 * cfgloop.h (create_loop_notes): Declaration removed.
5197 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5199 * varasm.c (output_constant_pool): Restore fnname and fndecl
5201 (assemble_start_function): Adjust call accordingly.
5202 (assemble_end_function): Likewise.
5204 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5207 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5210 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5212 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5215 * system.h (ICE_EXIT_CODE): New macro.
5216 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5217 (diagnostic_action_after_output): Likewise.
5218 * gcc.c (fatal_ice): New function.
5219 (execute): Use it instead of fatal.
5220 (fancy_abort): Likewise.
5221 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5223 2006-03-22 Jeff Law <law@redhat.com>
5225 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5226 iv_analyze_result returning false.
5228 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5230 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5232 2006-03-22 Richard Henderson <rth@redhat.com>
5235 * except.c (duplicate_eh_regions_0): New.
5236 (duplicate_eh_region_1): Duplicate the children of the node as
5237 well as the node itself. Link them up properly.
5238 (duplicate_eh_region_2): Merge into ...
5239 (duplicate_eh_regions): ... here. Take copy_region argument, and
5240 copy only a sub-tree if asked. Simplify copying and fixup.
5241 (eh_region_outer_p): New.
5242 * except.h (duplicate_eh_regions): Update decl.
5243 (eh_region_outer_p): Declare.
5244 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5245 (lower_omp_master): Likewise.
5246 (lower_omp_ordered): Likewise.
5247 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5248 (move_stmt_r): Use it to remap labels. Handle recursion vs
5249 remap_decls_p properly.
5250 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5251 (find_outermost_region_in_block): New.
5252 (new_label_mapper): New.
5253 (move_sese_region_to_fn): Copy eh information to the new function
5255 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5257 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5260 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5262 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5263 into shared libraries.
5265 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5267 * doc/md.texi: Refer to i386/constraints.md instead of
5269 * config/i386/constraints.md: New file, extracted from...
5270 * config/i386/predicates.md: ...here.
5271 * config/i386/i386.md: Include constraints.md.
5273 2006-03-21 Jason Merrill <jason@redhat.com>
5275 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5278 * expr.c (init_block_move_fn): Force default visibility.
5279 (init_block_clear_fn): Likewise.
5280 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5281 * targhooks.c (default_external_stack_protect_fail): Likewise.
5283 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5285 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5286 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5287 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5288 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5289 (loadgp): Use mips_current_loadgp_style.
5290 (loadgp_noshared): New pattern.
5291 (sibcall_internal): Use MIPS_CALL.
5292 (sibcall_value_internal): Likewise.
5293 (sibcall_value_multiple_internal): Likewise.
5294 (call_internal): Likewise.
5295 (call_value_internal): Likewise.
5296 (call_value_multiple_internal): Likewise.
5297 (call_split): Use MIPS_CALL and add an 'S' constraint.
5298 (call_value_split): Likewise.
5299 (call_value_multiple_split): Likewise.
5300 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5301 (-mshared): New option.
5302 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5303 (mips_current_loadgp_style): Declare.
5304 * config/mips/mips.c (mips_classify_symbol): Avoid using
5305 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5306 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5307 TARGET_ABSOLUTE_ABICALLS.
5308 (override_options): Adjust comments. Improve the warning that is
5309 issued when -mabicalls and -G are used together.
5310 (mips_file_start): Remove comment.
5311 (mips_current_loadgp_style): New function.
5312 (mips_gnu_local_gp): New variable.
5313 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5315 (mips_output_function_prologue): Use mips_current_laodgp_style.
5316 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5317 the cprestore instruction.
5318 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5319 live for TARGET_ABSOLUTE_ABICALLS.
5320 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5321 (ASM_SPEC): Pass down -mshared and -mno-shared.
5322 (MIPS_CALL): New macro.
5323 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5325 * doc/invoke.texi (-mabicalls): Update documentation.
5326 (-mshared): Document.
5328 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5330 * config/ia64/unwind-hpux.c: New file.
5331 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5333 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5336 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5338 2006-03-21 Jeff Law <law@redhat.com>
5340 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5341 type conversions of a VR_VARYING source to a wider type.
5343 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5345 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5346 tm_file on Solaris 10 and later.
5347 (sparc64-*-solaris2*): Likewise.
5348 (sparc-*-solaris2*): Likewise.
5349 * config/sol26.h: Rename to config/sol2-6.h.
5350 * config/sol2-10.h: New file.
5352 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5355 * tree-ssa-pre.c (create_component_ref_by_pieces):
5358 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5361 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5362 return it immediately.
5364 2006-03-21 Michael Matz <matz@suse.de>
5366 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5368 (remove_arc, add_arc): Update num_out_arcs member.
5369 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5371 (cache_presence): New function.
5372 (compare_states_for_equiv): New function.
5373 (state_is_differed): Don't take number of outargs, adjust callers.
5374 Use new invariant for speeding up.
5375 (init_equiv_class): Create initial classes based on sorted
5377 (partition_equiv_class): Don't track out_arcs_num.
5378 (evaluate_equiv_classes): Call cache_presence on all states and
5381 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5383 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5384 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5385 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5386 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5388 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5389 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5390 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5391 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5392 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5394 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5395 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5396 (REGNO_REG_CLASS): ARGP is in PREGS.
5397 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5399 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5400 to deal with those addresses.
5401 * addresses.h: New file.
5402 * caller-save.c: Include "addresses.h".
5403 (init_caller_save): Use new base_reg_class function.
5404 * rtl-factoring.c: Include "addresses.h".
5405 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5406 * recog.c: Include "addresses.h".
5407 (preprocess_constraints): Use new base_reg_class function.
5408 * regrename.c: Include "addresses.h".
5409 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5410 functions. Keep track of a new var INDEX_CODE to compute valid
5412 (replace_oldest_value_addr): Likewise.
5413 (replace_oldest_value_mem): Use base_reg_class.
5414 * reload.c: Include "addresses.h".
5415 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5416 (find_reloads): Use new base_reg_class function.
5417 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5418 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5419 all callers and prototype changed.
5420 * reload1.c: Include "addresses.h".
5421 (maybe_fix_stack_asms): Use base_reg_class.
5422 * regclass.c: Include "addresses.h".
5423 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5424 (init_reg_autoinc): Use new base_reg_class function.
5425 (record_reg_classes): Likewise.
5426 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5427 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5428 Use new args to compute necessary class.
5430 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5431 regrename.o, rtl-factoring.o): Update dependencies.
5432 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5433 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5434 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5435 REG_OK_FOR_INDEX_P): Delete documentation.
5437 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5439 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5440 from V7 to V9 for Solaris 7 and above.
5442 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5444 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5445 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5446 argument pointers may not alias any other storage.
5447 * common.opt: Define option -fargument-noalias-anything.
5448 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5449 alias semantics is specified by flag_argument_noalias > 2.
5451 2006-03-20 Jeff Law <law@redhat.com>
5453 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5454 (pass_phi_only_cprop): Declare.
5455 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5457 * tree-ssa-dom.c (degenerate_phi_result): New function.
5458 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5459 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5460 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5461 (eliminate_degenerate_phis): Likewise.
5462 (pass_phi_only_cprop): New pass descriptor.
5463 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5464 support code. Callers updated.
5465 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5466 (store_copy_prop): Likewise.
5467 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5469 2006-03-20 Jason Merrill <jason@redhat.com>
5472 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5473 (push_visibility, pop_visibility): Likewise.
5474 * c-pragma.h: Declare them.
5476 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5478 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5480 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5481 parameter and use get_ebb_head_tail.
5482 (sh_md_init_global): Adjust uses of find_regmode_weight.
5484 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5486 * function.h (struct function) <x_tail_recursion_reentry>:
5487 Rename to x_stack_check_probe_note.
5488 (tail_recursion_reentry): Rename to stack_check_probe_note.
5489 * function.c: Replace tail_recursion_reentry with
5490 stack_check_probe_note everywhere.
5491 (expand_function_start): Only emit a note for
5492 stack_check_probe_note with -fstack-protect.
5493 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5495 * emit-rtl.c (remove_unnecessary_notes): Remove.
5496 (pass_remove_unnecessary_notes): Remove.
5497 * rtl.h (remove_unnecessary_notes): Remove prototype.
5498 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5499 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5500 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5502 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5505 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5506 (valid_in_set): Handle ARRAY_REF.
5507 Change "if min_variant or VH" to asserts.
5508 (create_component_ref_by_pieces): Handle ARRAY_REF.
5509 (create_expression_by_pieces): Likewise.
5510 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5512 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5514 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5515 is operand of switch, not str[0].
5517 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5519 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5520 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5522 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5524 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5525 end of insn_extra_address_constraint declaration.
5527 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5529 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5530 (no-sum-in-toc): Same.
5531 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5533 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5534 NO_FP_IN_TOC for -fPIC instead of mask.
5536 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5537 (BOOT_LDFLAGS): Delete.
5539 * config/rs6000/t-aix52: Same.
5541 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5542 (stmsi[345678]_power): New.
5544 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5546 * config/ia64/ia64.opt: Add empty line to end of file.
5548 2006-03-17 Richard Guenther <rguenther@suse.de>
5551 * builtins.c (get_pointer_alignment): For component style references
5552 adjust alignment to the component type alignment. Make sure
5553 to adjust alignment for component access of constants.
5555 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5557 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5560 2006-03-17 Paul Brook <paul@codesourcery.com>
5562 * doc/install.texi: Docuemnt --with-mode.
5563 * config.gcc: Add --with-mode for arm*-*-*.
5564 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5566 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5568 * sh.c (max_labelno_before_reorg): New variable.
5569 (sh_reorg): Initialize it.
5570 (find_barrier): Check max_labelno_before_reorg before using
5571 label_to_alignment. Take length of explicit alignment insns
5572 into account. When seeing a UNSPECV_CONST_END, return it.
5574 * sh.c (fixup_mova): Set mode of affected label to QImode.
5575 (untangle_mova): New function.
5576 (find_barrier): Use it. Check mode of label before decrementing
5578 (sh_reorg): Likewise.
5579 Set mode of all insns back to VOIDmode.
5581 * sh.c (MOVA_LABELREF): New macro.
5582 (mova_p, fixup_mova, sh_reorg): Use it.
5583 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5584 ADDR_DIFF_VEC matches mova.
5586 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5588 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5589 with ATTRIBUTE_UNUSED.
5591 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5593 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5594 pointer, instead of assuming it is possible to derive the
5595 correct args size from a call insn.
5597 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5599 * rtl.h (CONST_INT_P): Define.
5600 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5601 instead of GET_CODE(x) == CONST_INT.
5602 (vax_rtx_costs): Likewise.
5603 (vax_output_int_move): Likewise.
5604 (vax_output_int_add): Likewise.
5605 (legitimate_constant_address_p): Likewise.
5606 (index_term_p): Likewise.
5607 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5608 * config/vax/vax.md (and<mode>3): Likewise.
5609 (ashrsi3): Likewise.
5611 (movstricthi): Likewise.
5612 (movstrictqi): Likewise.
5613 (rotrsi3): Likewise.
5614 (five unnamed insns): Likewise.
5616 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5618 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5619 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5620 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5621 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5622 Pass to ASM_OUTPUT_DWARF_OFFSET.
5623 * dwarf2out.c (debug_frame_section): New.
5624 (output_call_frame_info): Use debug_frame_section. Pass it to
5625 dw2_asm_output_offset.
5626 (output_die): Pass appropriate section to dw2_asm_output_offset.
5627 (output_compilation_unit_header): Likewise.
5628 (output_pubnames): Likewise.
5629 (output_aranges): Likewise.
5630 (enum dw_val_class): Break dw_val_class_lbl_offset into
5631 dw_val_class_lineptr and dw_val_class_macptr.
5632 (add_AT_lbl_offset): Delete.
5633 (add_AT_lineptr): New.
5634 (add_AT_macptr): New.
5635 (AT_lbl): Expect a lineptr or macptr.
5636 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5637 (attr_checksum): Likewise.
5638 (same_dw_val_p): Likewise.
5639 (size_of_die): Likewise.
5640 (value_format): Likewise.
5641 (output_die): Likewise.
5642 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5644 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5645 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5646 * config/darwin-protos.h (darwin_file_start): New.
5647 (darwin_asm_output_dwarf_offset): New.
5648 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5649 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5651 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5652 if not EH section; simplify.
5653 (darwin_file_start): New.
5654 (darwin_asm_output_dwarf_offset): New.
5655 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5657 (DEBUG_INFO_SECTION): Likewise.
5658 (DEBUG_ABBREV_SECTION): Likewise.
5659 (DEBUG_ARANGES_SECTION): Likewise.
5660 (DEBUG_MACINFO_SECTION): Likewise.
5661 (DEBUG_LINE_SECTION): Likewise.
5662 (DEBUG_LOC_SECTION): Likewise.
5663 (DEBUG_PUBNAMES_SECTION): Likewise.
5664 (DEBUG_STR_SECTION): Likewise.
5665 (DEBUG_RANGES_SECTION): Likewise.
5666 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5667 (ASM_OUTPUT_DWARF_OFFSET): New.
5669 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5671 * config.gcc (tm_defines): Always add to previous value rather
5674 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5676 * config/mips/predicates.md (splittable_const_int_operand): New,
5677 split from move_operand.
5678 (splittable_symbolic_operand): New.
5679 (move_operand): Add commentary. Use splittable_const_int_operand.
5680 Inline mips_atomic_symbolic_constant_p.
5681 * config/mips/mips.md: Add combine splitters for handling moves
5682 of splittable_const_int_operands and splittable_symbolic_operands.
5683 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5684 (mips_split_symbol): Declare.
5685 (mips_move_integer): Declare.
5686 * config/mips/mips.c (mips_split_p): Make global.
5687 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5688 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5689 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5690 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5691 (mips_offset_within_object_p): Handle block symbols.
5692 (mips_atomic_symbolic_constant_p): Delete.
5693 (mips_cannot_force_const_mem): Return false for constants that
5694 mips_legitimize_move can handle.
5695 (mips_use_blocks_for_constant_p): New function.
5696 (mips_split_symbol): Make global.
5697 (mips_move_integer): Likewise. Add a temporary register argument.
5698 (mips_legitimize_const_move): Use splittable_const_int_operand and
5699 splittable_symbolic_operand.
5700 (mips_use_anchors_for_symbol_p): New function.
5701 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5702 (mips_split_p): Declare.
5704 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5706 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5707 (mips*-*-linux*): Likewise.
5709 2006-03-16 Roger Sayle <roger@eyesopen.com>
5710 Daniel Speyer <dspeyer@wam.umd.edu>
5713 * tree-dump.c (dump_real): New function.
5714 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5715 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5716 (tree-dump.o): Add $(REAL_H) to the dependencies.
5718 2006-03-16 Roger Sayle <roger@eyesopen.com>
5721 * real.c (real_from_string): If the mantissa is zero, don't bother
5722 parsing the exponent as the result should always be zero.
5724 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5726 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5728 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5730 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5731 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5732 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5733 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5734 ia64_sched_finish_global): New static functions to implement
5735 hooks from gcc_target.sched.
5736 (spec_check_no, max_uid, pending_data_specs): New static variables.
5737 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5738 ia64_spec_check_src_p): New static functions.
5739 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5740 (TARGET_SCHED_ADJUST_COST): Removed.
5741 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5742 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5743 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5744 TARGET_SCHED_GEN_CHECK,
5745 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5746 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5747 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5748 Fixed to handle speculation checks.
5749 (rtx_needs_barrier): Fixed to handle speculative loads and
5751 (ia64_variable_issue): Added code to count speculative loads and their
5753 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5755 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5757 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5759 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5760 (ia64_reorg): Reset stops_p to NULL after it is freed.
5761 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5762 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5763 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5765 (data_speculative, control_speculative, check_load): New attributes.
5766 (mov<mode>_advanced, mov<mode>_speculative,
5767 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5768 zero_extend<mode>di2_speculative,
5769 zero_extend<mode>di2_speculative_advanced): New patterns for
5770 data and control speculative loads.
5771 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5773 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5774 New pattern for data and control speculation checks.
5775 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5776 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5777 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5778 Auxiliary definitions for the patterns.
5779 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5780 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5782 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5784 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5785 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5786 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5787 New resource constraints.
5788 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5790 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5791 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5792 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5793 msched-in-control-spec, msched-ldc, msched-control-ldc,
5794 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5795 msched-prefer-non-control-spec-insns,
5796 msched-count-spec-in-critical-path): New flags to tune speculative
5798 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5799 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5800 msched-in-control-spec, msched-ldc, msched-control-ldc,
5801 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5802 msched-prefer-non-control-spec-insns,
5803 msched-count-spec-in-critical-path): Document new flags.
5805 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5807 * target.h (struct spec_info_def): New opaque declaration.
5808 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5809 speculate_insn, needs_block_p, gen_check,
5810 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5811 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5812 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5813 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5814 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5815 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5817 (TARGET_SCHED): Use new macros.
5818 * rtl.h (copy_DEPS_LIST_list): New prototype.
5819 * sched-int.h (struct sched_info): Change signature of new_ready field,
5820 adjust all initializations. New fields: add_remove_insn,
5821 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5822 region_head_or_leaf_p.
5823 (struct spec_info_def): New structure declaration.
5824 (spec_info_t): New typedef.
5825 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5826 recovery_block, orig_pat.
5827 (glat_start, glat_end): New variables declaraions.
5828 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5830 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5831 DETACH_LIFE_INFO, USE_GLAT.
5832 (enum SPEC_SCHED_FLAGS): New enumeration.
5833 (NOTE_NOTE_BB_P): New macro.
5834 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5835 attach_life_info, debug_spec_status, check_reg_live): New functions.
5836 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5837 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5839 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5840 * ddg.c (get_block_head_tail): Adjust all uses.
5841 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5842 (sms_sched_info): Initialize new fields.
5843 (contributes_to_priority): Removed.
5844 * haifa-sched.c (params.h): New include.
5845 (get_block_head_tail): Adjust all uses.
5846 (ISSUE_POINTS): New macro.
5847 (glat_start, glat_end): New global variables.
5848 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5849 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5850 old_last_basic_block, before_recovery, current_sched_info_var,
5851 rgn_n_insns, luid): New static variables.
5852 (insn_cost1): New function. Move logic from insn_cost to here.
5853 (find_insn_reg_weight1): New function. Move logic from
5854 find_insn_reg_weight to here.
5855 (reemit_notes, move_insn, max_issue): Change signature.
5856 (move_insn1): Removed.
5857 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5858 extend_bb): New static functions to support extension of scheduler's
5860 (generate_recovery_code, process_insn_depend_be_in_spec,
5861 begin_speculative_block, add_to_speculative_block,
5862 init_before_recovery, create_recovery_block, create_check_block_twin,
5863 fix_recovery_deps): New static functions to support
5864 generation of recovery code.
5865 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5866 restore_bb_notes, move_block_after_check, move_succs): New static
5867 functions to support ebb scheduling.
5868 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5869 functions to support handling of register live information.
5870 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5871 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5872 add_jump_dependencies): New static functions.
5873 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5874 consistancy checking.
5875 (debug_spec_status): New function to call from debugger.
5876 (priority): Added code to handle speculation checks.
5877 (rank_for_schedule): Added code to distinguish speculative instructions.
5878 (schedule_insn): Added code to handle speculation checks.
5879 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5880 Fixed to handle ebbs.
5881 (move_insn): Added code to handle ebb scheduling.
5882 (max_issue): Added code to use ISSUE_POINTS of instructions.
5883 (choose_ready): Added code to choose between speculative and
5884 non-speculative instructions.
5885 (schedule_block): Added code to handle ebb scheduling and scheduling of
5886 speculative instructions.
5887 (sched_init): Initialize new variables.
5888 (sched_finish): Free new variables. Print statistics.
5889 (try_ready): Added code to handle speculative instructions.
5890 * lists.c (copy_DEPS_LIST_list): New function.
5891 * sched-deps.c (extend_dependency_caches): New function. Move logic
5892 from create_dependency_caches to here.
5893 (get_dep_weak, ds_merge): Make global.
5894 * genattr.c (main): Code to output prototype for
5895 dfa_clear_single_insn_cache.
5896 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5897 (output_dfa_clean_insn_cache_func): Code to output
5898 dfa_clear_single_insn_cache function.
5899 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5901 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5903 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5904 New static variables.
5905 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5906 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5908 (ebb_sched_info): Initialize new fields.
5909 (get_block_head_tail): Adjust all uses.
5910 (compute_jump_reg_dependencies): Fixed to use glat_start.
5911 (schedule_ebb): Code to remove unreachable last block.
5912 (schedule_ebbs): Added code to update register live information.
5913 * sched-rgn.c (region_sched_info): Initialize new fields.
5914 (get_block_head_tail): Adjust all uses.
5915 (last_was_jump): Removed. Adjust users.
5916 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5917 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5918 Implement new hooks.
5919 (check_dead_notes1): New static function.
5920 (struct region): New fields: dont_calc_deps, has_real_ebb.
5921 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5922 (BB_TO_BLOCK): Fixed to handle EBBs.
5923 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5924 (ebb_head): New static variable.
5925 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5926 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5928 (compute_dom_prob_ps): New assertion.
5929 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5930 global_live_at_start.
5931 (init_ready_list): New assertions.
5932 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5933 (new_ready): Add support for BEGIN_CONTROL speculation.
5934 (schedule_insns): Fixed code that updates register live information
5936 (schedule_region): Fixed to handle EBBs.
5937 (init_regions): Use extend_regions and check_dead_notes1.
5938 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5939 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5940 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5941 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5942 TARGET_SCHED_GEN_CHECK,
5943 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5944 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5945 * doc/invoke.texi (max-sched-insn-conflict-delay,
5946 sched-spec-prob-cutoff): Document.
5948 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5950 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5951 inter_tick, queue_index.
5952 (struct sched_info): Change signature of init_ready_list field.
5953 Adjust all initializations.
5954 (RESOLVED_DEPS): New access macro.
5955 (ready_add): Remove prototype.
5956 (try_ready): Add prototype.
5957 * sched-rgn.c (init_ready_list): Use try_ready.
5958 (schedule_region): Initialize
5959 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5960 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5961 (init_ready_list): Use try_ready.
5962 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5963 * lists.c (remove_list_elem): Remove `static'.
5964 (remove_free_INSN_LIST_elem): New function.
5965 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5966 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5967 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5969 (readyp): New variable.
5970 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5971 change_queue_index, resolve_dep): New static functions.
5972 (try_ready): New function. Adjust callers in sched-rgn.c and
5973 sched-ebb.c to use it instead of ready_add.
5974 (clock_var): Move at the begining of file.
5975 (rank_for_schedule): Fix typo.
5976 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5977 (ready_lastpos): Enforce assertion.
5978 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5980 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5981 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5982 (queue_to_ready): Use free_INSN_LIST_list.
5983 (early_queue_to_ready): Fix typo.
5984 (schedule_block): Init readyp. Move init_ready_list call after the
5985 initialization of clock_var. Fix error in rejecting insn by
5986 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5987 that previously corrected INSN_TICKs. Add code for handling
5989 (set_priorities): Fix typo.
5990 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5991 Clarify comment and code that keeps current_sched_info->next_tail
5994 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5996 * sched-rgn.c (extend_rgns): New static function.
5997 (find_rgns): Use it.
5998 (gather_region_statistics, print_region_statistics): New static
6000 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6001 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6003 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6004 Andrey Belevantsev <abel@ispras.ru>
6006 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6007 * lists.c (unused_deps_list): New variable.
6008 (free_list): Add assertions to verify the proper distinguishing
6009 between INSN_LISTs and DEPS_LISTs.
6010 (find_list_elem, remove_list_elem, remove_list_node): New static
6012 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6013 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6014 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6015 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6017 (free_INSN_LIST_node): Likewise.
6018 * modulo-sched.c (current_sched_info): Initialize flags field.
6019 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6020 * rtl.def (DEPS_LIST): Define.
6021 * rtl.h: Declare new functions from lists.c.
6022 * sched-deps.c (spec_dependency_cache): New static variable.
6023 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6024 (add_dependence): Change return type to void. Move the logic to ...
6025 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6026 (delete_all_dependences): Add comment about forward_dependency_cache.
6027 Handle spec_dependency_cache. Handle DEPS_LISTs.
6028 (fixup_sched_groups): Clarify the change of priority of output
6029 and anti dependencies.
6030 (sched_analyze_2): Adjust add_dependence calls to create data
6031 speculative dependence.
6032 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6033 Adjust all callers. Handle DEPS_LISTS.
6034 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6035 presence of speculation.
6036 (init_dependency_caches, free_dependency_caches):
6037 Handle spec_dependency_cache.
6038 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6039 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6040 New static functions.
6041 (add_or_update_back_dep, add_or_update_back_forw_dep,
6042 add_back_forw_dep, delete_back_forw_dep): New functions.
6043 * sched-int.h (ds_t, dw_t): New typedefs.
6044 (struct sched_info): Add new field flags.
6045 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6046 Prototype new sched-deps.c functions.
6047 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6048 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6049 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6050 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6051 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6052 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6054 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6056 * sched-rgn.c (current_sched_info): Initialize flags field.
6057 (schedule_insns): Initialize current_sched_info before the sched_init
6059 * sched-ebb.c (current_sched_info): Initialize flags field.
6060 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6061 Call add_or_update_back_dep instead of add_dependence.
6062 Create control speculative dependencies.
6063 (schedule_insns): Initialize current_sched_info before the sched_init
6066 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6068 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6070 (sh_fallback_frame_state): Likewise.
6072 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6074 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6075 Do switch on default_use_cxa_atexit.
6076 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6077 * config/darwin-crt3.o: New.
6078 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6079 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6080 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6082 * config/rs6000/t-darwin: Move crt2.o building to here.
6083 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6084 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6087 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6089 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6090 from '! xxx' to '!xxx' for coding-style conformance.
6091 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6092 (EXTRA_CONSTRAINT): Likewise.
6093 * config/vax/vax.md (four unnamed insns): Likewise.
6095 2006-03-15 Paul Brook <paul@codesourcery.com>
6097 * config/arm/arm.c (minipool_pad): New.
6098 (add_minipool_forward_ref): Include pool alignment padding in address
6100 (push_minipool_fix): Set minipool_pad.
6101 (minipool_pad): Ditto.
6103 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6105 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6106 instead of GET_CODE() == MEM and REG_P() instead of
6108 (print_operand_address): Likewise.
6109 (vax_address_cost): Likewise.
6110 (vax_rtx_costs): Likewise.
6111 (vax_notice_update_cc): Likewise.
6112 (vax_output_int_add): Likewise.
6113 (INDEX_REGISTER_P): Likewise.
6114 (BASE_REGISTER_P): Likewise.
6115 (nonindexed_address_p): Likewise.
6116 (vax_mode_dependent_address_p): Likewise.
6117 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6118 (PRINT_OPERAND): Likewise.
6119 * config/vax/vax.md (ashlsi3): Likewise.
6120 (ashlsi3): Likewise.
6121 (some more unnamed insns): Likewise.
6123 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6125 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6126 iterator-style macro.
6127 (mark_control_dependent_edges_necessary): Update the use of
6128 EXECUTE_IF_CONTROL_DEPENDENT.
6130 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6132 * config/sh/predicates.md (cache_address_operand): Special.
6133 (ua_address_operand): Likewise.
6135 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6137 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6139 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6141 2006-03-15 Andreas Schwab <schwab@suse.de>
6143 * gensupport.c (identify_predicable_attribute): Don't free p_false
6144 when it is still in use.
6146 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6148 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6149 the default setting here.
6151 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6153 * tree-pass.h (pass_cfg): Remove.
6154 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6155 * passes.c (pass_cfg): Don't run it.
6157 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6159 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6160 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6162 (stack_regs_mentioned): Update the uses of
6163 stack_regs_mentioned_data. Don't access the array beyond its
6165 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6166 Don't include gt-reg-stack.h.
6168 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6169 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6171 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6174 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6177 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6179 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6181 2006-03-14 Richard Guenther <rguenther@suse.de>
6183 PR tree-optimization/26672
6184 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6187 2006-03-14 Richard Guenther <rguenther@suse.de>
6189 PR tree-optimization/26667
6190 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6191 node for the callees. Always allow inlining if it will shrink
6194 2006-03-14 Richard Guenther <rguenther@suse.de>
6197 * builtins.c (get_pointer_alignment): Prefer alignment
6198 information from decls over that from types.
6200 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6203 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6205 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6207 * config/rs6000/rs6000.opt (mdlmzb): New option.
6208 (msched-prolog, msched-epilog): Use Var not Mask.
6209 * doc/invoke.texi (-mdlmzb): Document.
6210 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6212 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6213 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6215 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6217 PR rtl-optimization/25739
6218 * bt-load.c (augment_live_range): Free tos pointer.
6220 * gensupport.c (identify_predicable_attribute): Free
6222 * gcov.c (create_file_names): Free name pointer.
6224 2006-03-13 Roger Sayle <roger@eyesopen.com>
6227 * stmt.c (emit_case_nodes): Handle the case where the index is a
6228 CONST_INT, where the comparison mode is specified by the index type.
6230 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6232 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6235 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6237 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6238 (*branch_fp_inverted): Likewise.
6240 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6243 * omp-low.c (expand_omp_for_generic): Mark istart0
6244 and iend0 as addressable.
6246 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6248 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6250 2006-03-13 Jeff Law <law@redhat.com>
6252 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6253 virtual operands are interesting.
6254 (vrp_visit_stmt): Corresponding changes.
6256 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6258 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6260 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6261 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6262 * config/bfin/crti.S: Use it instead of __PIC__.
6263 * config/bfin/crtn.S: Likewise.
6265 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6266 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6268 Lose 'G' modifier for call operand.
6269 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6270 recognize 'G' modifier.
6272 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6275 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6276 * stmt.c (expand_case): Likewise.
6278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6280 PR rtl-optimization/26254
6281 * loop-invariant.c (seq_insns_valid_p): New function.
6282 (move_invariant_reg): Only emit new code if it is valid.
6284 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6286 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6288 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6289 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6290 (commit_one_edge_insertion): Do not look for loop notes.
6292 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6294 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6295 flag_test_coverage out of loop.
6297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6299 * final.c (shorten_branches): Remove outdated comment, and turn
6300 the if branch that guards it to continue.
6302 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6304 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6305 * cfgloop.h (struct loop): Remove unused fields.
6307 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6309 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6310 (-dL, -fdump-rtl-loop2): Update the dump file names
6312 * doc/invoke.texi: Update dump file names.
6314 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6316 * predict.c (estimate_probability): Remove.
6317 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6318 * basic-block.h (estimate_probability): Remove prototype.
6319 * passes.c (finish_optimization_passes): Dump branch prediction or
6320 profiling heuristics to the .profile tree dump.
6321 (init_optimization_passes): Unqueue pass_branch_prob.
6323 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6325 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6327 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6328 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6330 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6332 * function.h (frame_offset_overflow): Declare.
6333 * function.c (frame_offset_overflow): New function.
6334 (assign_stack_local_1): Call it to detect that the offset overflows.
6335 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6337 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6339 * config/sh/sh.c: Include alloc-pool.h.
6340 (label_ref_list_pool): New alloc pool.
6341 (label_ref_list_t): New type for lists of labels.
6342 (struct pool_node): Make wend a label_ref_list_t.
6343 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6345 (dump_table): Likewise.
6346 (sh_reorg): Set up the alloc pool before using add_constant and
6347 dump_table, and destroy it when finishing.
6349 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6351 * config/mips/mips.c: Remove redundant comment.
6353 2006-03-10 Jason Merrill <jason@redhat.com>
6356 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6357 the target was declared 'register'.
6359 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6361 * genpreds.c (write_insn_constraint_len): Change definition of
6362 insn_constraint_len to return size_t to match the declaration.
6364 2006-03-10 DJ Delorie <dj@redhat.com>
6366 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6368 (m32c_expand_insv): Fix test for an AND mask.
6370 2006-03-10 Richard Guenther <rguenther@suse.de>
6373 * builtins.c (get_pointer_alignment): Handle component
6374 references for field alignment.
6376 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6378 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6379 when building with libgloss.
6380 (sh*elf): Implement --without-fp option.
6381 (sh64-superh-linux*): Don't multilib.
6383 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6385 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6387 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6389 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6390 Set it when one of the replacement functions returned true.
6391 Return TODO_cleanup_cfg if cfgchanged is true.
6392 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6394 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6396 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6397 instead of gen_lowpart.
6399 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6401 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6403 (mips_output_order_conditional_branch): Declare.
6404 * config/mips/mips.h (MIPS_BRANCH): New macro.
6405 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6406 for the comparison. Use gen_condjump.
6407 (mips_output_conditional_branch): Rework interface to take the
6408 asm templates for a direct branch and the inverse of a direct branch.
6409 (mips_output_order_conditional_branch): New function.
6410 (mips_builtin_branch_and_move): New function.
6411 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6412 branch condition. Use gen_single_cc as the condition for
6413 __builtin_mips_upper_* or __builtin_mips_lower_*.
6414 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6415 Use VOIDmode for the branch condition.
6416 * config/mips/predicates.md (order_operator): New predicate.
6417 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6418 (branch_fp): Rename to...
6419 (*branch_fp): ...this. Remove mode from comparison operator.
6420 Use new mips_output_conditional_branch interface.
6421 (branch_fp_inverted): Rename to...
6422 (*branch_fp_inverted): ...this and update as for *branch_fp.
6423 (*branch_zero<mode>): Rename to...
6424 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6425 Use mips_output_order_conditional_branch. Only accept ordered
6427 (*branch_zero<mode>_inverted): Rename to...
6428 (*branch_order<mode>_inverted): ...this and update as for
6429 *branch_order<mode>.
6430 (*branch_equality<mode>): Accept zero as the second operand to
6431 the equality operator. Use the new mips_output_conditional_branch
6433 (*branch_equality<mode>_inverted): Likewise.
6434 (condjump): New expander.
6435 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6437 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6438 (bc1any2t, bc1any2f): Likewise.
6439 (single_cc): New expander.
6440 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6442 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6444 * doc/md.texi: Update documentation of MIPS constraints.
6445 * config/mips/constraints.md: New file.
6446 * config/mips/mips.md: Include it.
6447 * config/mips/mips.c (mips_char_to_class): Delete.
6448 (override_options): Don't initialize mips_char_to_class.
6449 * config/mips/mips.h (mips_char_to_class): Delete.
6450 (REG_CLASS_FROM_LETTER): Delete.
6451 (CONST_OK_FOR_LETTER_P): Delete.
6452 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6453 (EXTRA_CONSTRAINT_Y): Delete.
6454 (EXTRA_CONSTRAINT_STR): Delete.
6455 (CONSTRAINT_LEN): Delete.
6456 (EXTRA_MEMORY_CONSTRAINT): Delete.
6458 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6460 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6461 original fn's eh regions.
6463 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6465 * fold-const.c (build_range_check): Make sure to use a valid type to
6466 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6469 (range_predecessor): New static function.
6470 (range_successor): Likewise.
6471 (merge_ranges): Use them to compute predecessors and successors of
6474 2006-03-09 Roger Sayle <roger@eyesopen.com>
6477 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6478 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6480 2006-03-08 DJ Delorie <dj@redhat.com>
6482 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6483 (addpsi3): Expand to include memory operands. Remove
6484 reload-specific splits.
6485 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6486 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6487 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6488 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6489 (shift1_qi, shift1_hi, insv): New.
6490 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6491 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6492 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6494 * config/m32c/m32c-protos.h: Update as needed.
6495 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6496 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6497 Fail for unrecognized R* constraints.
6498 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6499 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6500 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6502 (m32c_init_libfuncs): New.
6503 (m32c_legitimate_address_p): Add debug wrapper.
6504 (m32c_rtx_costs): New.
6505 (m32c_address_cost): New.
6506 (conversions): Add 'B' prefix.
6507 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6508 operands, or word regnames for QI operands. 'B' prints bit
6510 (m32c_expand_setmemhi): New.
6511 (m32c_expand_movmemhi): New.
6512 (m32c_expand_movstr): New.
6513 (m32c_expand_cmpstr): New.
6514 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6515 (m32c_expand_neg_mulpsi3): Handle non-ints.
6516 (m32c_cmp_flg_0): New.
6517 (m32c_expand_movcc): New.
6518 (m32c_expand_insv): New.
6519 (m32c_scc_pattern): New.
6520 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6521 a0/a1 out of SIregs.
6522 (STORE_FLAG_VALUE): New.
6523 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6526 * config/m32c/mov.md: Make constraints more liberal.
6527 (zero_extendqihi2): Optimize r0/r1 case.
6528 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6529 * config/m32c/predicates.md (m32c_any_operand): New.
6530 (m32c_nonimmediate_operand): New.
6531 (m32c_hl_operand): New.
6532 (m32c_r3_operand): New.
6535 (memsym_operand): New.
6536 (memimmed_operand): New.
6537 (a_qi_operand): New.
6538 (m32c_eqne_operator): New.
6539 (m32c_1bit8_operand): New.
6540 (m32c_1bit16_operand): New.
6541 (m32c_1mask8_operand): New.
6542 (m32c_1mask16_operand): New.
6543 * config/m32c/blkmov.md: New file.
6544 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6546 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6548 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6549 unsigned to fix signed/unsigned comparison issue in
6550 DWARF2_FRAME_REG_OUT.
6551 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6552 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6554 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6555 of ptr into the ENABLE_CHECKING section.
6557 2006-03-08 Jeff Law <law@redhat.com>
6559 * tree-vrp.c (infer_value_range): Only count pointer uses
6560 and dereferences if -fdelete-null-pointer-checks is enabled.
6562 * tree-vrp.c (find_assert_locations): Infer value ranges for
6563 single use pointers, but do not create ASSERT_EXPRs for them.
6564 When a non-null range is inferred for a pointer, backwards
6565 propagate that range to other equivalent pointers through the
6568 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6571 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6572 language hook targets.
6573 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6574 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6575 if language hook targets were missing.
6577 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6579 * tree-ssa-opfinalize.h: Removed.
6580 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6582 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6583 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6584 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6585 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6586 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6587 finalize_ssa_v_must_def_ops): New.
6589 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6591 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6594 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6596 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6598 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6599 addresses with offsets; reorganize.
6601 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6602 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6603 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6605 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6608 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6610 2006-03-08 Ben Elliston <bje@au.ibm.com>
6612 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6614 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6617 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6620 2006-03-07 Richard Guenther <rguenther@suse.de>
6622 PR tree-optimization/26587
6623 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6625 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6627 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6629 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6631 * hooks.c (hook_bool_mode_rtx_true): New function.
6632 * hooks.h (hook_bool_mode_rtx_true): Declare.
6633 * toplev.c (compile_file): Call output_shared_constant_pool.
6634 * varasm.c (shared_constant_pool): New variable.
6635 (assemble_start_function, assemble_end_function): Remove arguments
6636 from call to output_constant_pool.
6637 (create_constant_pool): New function, split out from...
6638 (init_varasm_status): ...here.
6639 (force_const_mem): Choose between the shared and per-function constant
6640 pools. Set current_function_uses_const_pool when reusing old entries
6641 as well as when creating new ones.
6642 (mark_constant): Ignore data argument.
6643 (mark_constants): Remove pool argument.
6644 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6645 to decide whether the function uses a constant pool.
6646 (output_constant_pool_contents): New function, split out from...
6647 (output_constant_pool): ...here.
6648 (output_shared_constant_pool): New function.
6649 (init_varasm_once): Initialize shared_constant_pool.
6650 * output.h (output_constant_pool): Delete.
6651 (output_shared_constant_pool): Declare.
6652 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6653 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6655 2006-03-06 Nick Clifton <nickc@redhat.com>
6657 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6658 flag_strength_reduce.
6660 2006-03-06 Ben Elliston <bje@au.ibm.com>
6662 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6663 x86_64-*-linux* configurations.
6665 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6666 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6668 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6670 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6672 * basic-block.h: Remove the extern for
6673 rediscover_loops_after_threading.
6675 * cfgloop.c (cancel_loop): Make it static.
6676 * cfgloop.h: Remove the prototype for cancel_loop.
6678 * flow.c (recompute_reg_usage): Make it static.
6679 * rtl.h: Remove the prototype for recompute_reg_usage.
6681 * function.c (use_return_register): Make it static.
6682 * function.h: Remove the prototype.
6684 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6686 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6688 * recog.h: Remove the prototype for
6689 validate_change_maybe_volatile.
6691 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6693 * rtlanal.c (replace_reg): Remove.
6694 * rtl.h: Remove the prototype for replace_reg.
6696 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6698 * regclass.c (reg_scan_update): Remove.
6699 (reg_scan_mark_refs): Remove the last argument.
6700 * rtl.h: Remove the prototype for reg_scan_update.
6702 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6704 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6705 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6706 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6707 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6708 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6709 loop-invariant.c, omp-low.c, opts.c, passes.c,
6710 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6711 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6712 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6713 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6714 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6715 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6717 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6719 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6720 * dwarf2out.h: Remove the prototype for
6721 dwarf2out_add_library_unit_info.
6723 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6725 * tree.c (add_var_to_bind_expr): Remove.
6726 * tree.h: Remove the prototype for add_var_to_bind_expr.
6728 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6730 * regclass.c (n_non_fixed_regs): Remove.
6731 (init_reg_sets_1, globalize_reg): Remove all uses of
6733 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6735 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6737 * rtlanal.c (insns_safe_to_move_p): Remove.
6738 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6740 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6742 * expmed.c (expand_mult_add): Remove.
6743 * expr.h: Remove the prototype for expand_mult_add.
6745 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6747 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6748 and REG_SAVED_VAL_EXP constants.
6749 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6750 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6751 Handle regs stored by value.
6752 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6753 (execute_cfa_program): Handle DW_CFA_val_offset,
6754 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6755 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6756 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6757 (uw_install_context_1): Handle target regs stored by value.
6759 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6761 * tree-sra.c (tree_sra): Return todoflags;
6762 (generate_one_element): Set TODO_update_smt_usage if needed.
6763 (pass_sra): Remove TODO_update_smt_usage.
6764 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6766 (tree_ssa_forward_propagate_single_use_vars): Return
6767 TODO_update_smt_usage if we need to update SMT usage.
6768 (pass_forwprop): Remove TODO_update_smt_usage.
6770 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6772 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6773 (correct_use_link): Remove reference to get_stmt_operands.
6774 (update_stmt_operands): Likewise.
6775 (get_modify_expr_operands): New function factored out of
6776 parse_ssa_operands and get_expr_operands.
6777 Try to create V_MUST_DEFs for LHS by default.
6778 (get_expr_operands) <case MODIFY_EXPR>: Call
6779 get_modify_expr_operands.
6780 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6781 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6782 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6783 get_modify_expr_operands.
6785 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6787 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6788 * tree-flow.h: Remove the prototype for
6789 referenced_var_lookup_if_exists.
6791 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6793 PR rtl-optimization/26345
6795 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6797 2006-03-03 Roger Sayle <roger@eyesopen.com>
6799 PR tree-optimization/26524
6800 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6801 fold_convert to create a constant of the appropriate type.
6803 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6805 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6806 SYMBOL_REF_IN_BLOCK_P.
6807 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6808 of SYMBOL_FLAG_IN_BLOCK.
6809 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6810 instead of SYMBOL_REF_IN_BLOCK_P.
6811 * explow.c (use_anchored_address): Likewise.
6812 * rtl.c (rtx_size): Likewise.
6813 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6814 instead of SYMBOL_FLAG_IN_BLOCK.
6815 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6816 SYMBOL_REF_IN_BLOCK_P.
6817 (assemble_variable): Likewise.
6818 (output_constant_def_contents): Likewise.
6819 (output_constant_pool): Likewise.
6820 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6821 instead of SYMBOL_FLAG_IN_BLOCK.
6822 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6823 SYMBOL_REF_IN_BLOCK_P.
6824 (SYMBOL_REF_BLOCK): Likewise.
6825 (SYMBOL_REF_OFFSET): Likewise.
6826 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6827 SYMBOL_REF_IN_BLOCK_P.
6828 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6829 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6830 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6831 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6833 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6835 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6837 2006-03-02 Roger Sayle <roger@eyesopen.com>
6839 * simplify-rtx.c (simplify_unary_operation): When simplifying
6840 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6841 that we perform the right shift in the appropriate mode, and
6842 then extend or truncate the result to requested mode.
6844 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6846 * gengtype.c (main): Handle double_int type.
6847 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6848 * double-int.c: New file.
6849 * double-int.h: New file.
6850 * system.h: Include doubleint.h.
6851 * Makefile.in (SYSTEM_H): Include double-int.h.
6852 (double-int.o): Add.
6854 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6857 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6860 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6862 * tree-vrp.c (remove_range_assertions): Do not update statements
6865 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6867 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6869 * gcse.c (rest_of_handle_gcse): Ditto.
6870 * except.c (gate_handle_eh): Ditto.
6871 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6872 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6874 2006-03-02 Eric Christopher <echristo@apple.com>
6876 * config/i386/i386.c (machopic_output_stub): Add indirection to
6879 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6883 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6885 Sun Niagara specific optimizations.
6886 * config.gcc: Recognize niagara as target.
6887 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6888 (TARGET_CPU_niagara): Define.
6889 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6890 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6891 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6892 (ASM_CPU_SPEC): Likewise.
6893 (PROCESSOR_NIAGARA): New enum entry.
6894 (REGISTER_MOVE_COST): Handle Niagara.
6895 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6896 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6897 (sparc_override_options): Recognize "niagara", set appropriate
6898 default MASK_* values for it, and align functions to 32-bytes
6899 by default just like ULTRASPARC/ULTRASPARC3.
6900 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6901 (sparc64_initialize_trampoline): Likewise.
6902 (sparc_use_sched_lookahead): Use zero for niagara.
6903 (sparc_issue_rate): Use one for niagara.
6904 * config/sparc/niagara.md: New file.
6905 * config/sparc/sparc.md: Include it.
6906 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6907 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6908 when default cpu is niagara.
6909 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6910 (ASM_CPU_SPEC): Likewise.
6911 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6912 when default cpu is niagara.
6913 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6914 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6915 just like v9/ultrasparc/ultrasparc3.
6916 * doc/invoke.texi: Add documentation for "niagara" and improve
6917 existing documentation for ultrasparc variants.
6919 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6921 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6923 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6925 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6926 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6927 and say that only one is needed.
6928 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6929 * target.h (have_switchable_bss_sections): New hook.
6930 * explow.c (use_anchored_address): Check that the symbol is in a block.
6931 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6932 (bss_noswitch_section): New variables.
6933 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6934 (get_noswitch_section): New function.
6935 (get_block_for_section): Allow SECT to be null.
6936 (unlikely_text_section_p): Use SECTION_STYLE.
6937 (bss_initializer_p): New function.
6938 (get_variable_section): Move earlier in file. Take a new argument,
6939 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6940 Return one of the new *_sections in such cases.
6941 (get_block_for_decl): New function, extracting some logic from
6942 use_blocks_for_decl_p.
6943 (change_symbol_section): Remove in favor of...
6944 (change_symbol_block): ...this new function.
6945 (use_blocks_for_decl_p): Remove checks now performed by
6947 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6948 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6949 (emit_local, emit_bss, emit_common): ...these new functions.
6950 Return true if the alignment was honored.
6951 (emit_tls_common): New function.
6952 (asm_emit_uninitialised): Delete.
6953 (assemble_variable_noswitch): New function, split out from...
6954 (assemble_variable): ...here. Don't make decisions about common
6955 variables here. Globalize all public decls that go into non-common
6956 sections. Check whether SYMBOL_REF_BLOCK is null.
6957 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6958 (output_constant_pool): Likewise.
6959 (init_varasm_once): Initialize the new section variables.
6960 (have_global_bss_p): New function.
6961 (categorize_decl_for_section): Use bss_initializer_p.
6962 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6963 (place_block_symbol): Assert that the symbol must be in a block.
6964 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6965 (TARGET_INITIALIZER): Include it.
6966 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6967 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6968 (SECTION_MACH_DEP): Bump by two.
6969 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6970 (unnamed_section): Mention SECTION_UNNAMED in comment.
6971 (named_section): Likewise SECTION_NAMED.
6972 (noswitch_section_callback): New type.
6973 (noswitch_section): New structure.
6974 (section): Add a noswitch_section alternative.
6975 (SECTION_STYLE): New macro.
6976 (tls_comm_section, comm_section, lcomm_section): Declare.
6977 (bss_noswitch_section, have_global_bss_p): Declare.
6978 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6979 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6981 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6982 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6985 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6987 * tree-vrp.c (execute_vrp): Return value.
6988 * regrename.c (rest_of_handle_regrename): Ditto.
6989 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6990 * tree-complex.c (tree_lower_complex): Ditto.
6991 (tree_lower_complex_O0): Ditto.
6992 * tracer.c (rest_of_handle_tracer): Ditto.
6993 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6994 * postreload.c (rest_of_handle_postreload): Ditto.
6995 * tree-tailcall.c (execute_tail_recursion): Ditto.
6996 (execute_tail_calls): Ditto.
6997 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6998 * tree.h (init_function_for_compilation): Ditto.
6999 * ipa-cp.c (ipcp_driver): Ditto.
7000 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7001 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7002 * final.c (compute_alignments): Ditto.
7003 (rest_of_handle_final): Ditto.
7004 (rest_of_handle_shorten_branches): Ditto.
7005 (rest_of_clean_state): Ditto.
7006 * omp-low.c (execute_expand_omp): Ditto.
7007 (execute_lower_omp): Ditto.
7008 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7009 * ipa-reference.c (static_execute): Ditto.
7010 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7011 * reorg.c (rest_of_handle_delay_slots): Ditto.
7012 (rest_of_handle_machine_reorg): Ditto.
7013 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7014 * flow.c (recompute_reg_usage): Ditto.
7015 (rest_of_handle_remove_death_notes): Ditto.
7016 (rest_of_handle_life): Ditto.
7017 (rest_of_handle_flow2): Ditto.
7018 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7019 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7020 (do_ssa_store_ccp): Ditto.
7021 (execute_fold_all_builtins): Ditto.
7022 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7023 * modulo-sched.c (rest_of_handle_sms): Ditto.
7024 * ipa-pure-const.c (static_execute): Ditto.
7025 * cse.c (rest_of_handle_cse): Ditto.
7026 (rest_of_handle_cse2): Ditto.
7027 * web.c (rest_of_handle_web): Ditto.
7028 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7029 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7030 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7031 * tree-nrv.c (tree_nrv): Ditto.
7032 (execute_return_slot_opt): Ditto.
7033 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7034 (create_structure_vars): Ditto.
7035 * loop-init.c (rtl_loop_init): Ditto.
7036 (rtl_loop_done): Ditto.
7037 (rtl_move_loop_invariants): Ditto.
7038 (rtl_unswitch): Ditto.
7039 (rtl_unroll_and_peel_loops): Ditto.
7040 (rtl_doloop): Ditto.
7041 * gimple-low.c (lower_function_body): Ditto.
7042 (mark_used_blocks): Ditto.
7043 * tree-ssa-sink.c (execute_sink_code): Ditto.
7044 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7045 (cgraph_early_inlining): Ditto.
7046 * global.c (rest_of_handle_global_alloc): Ditto.
7047 * jump.c (cleanup_barriers): Ditto.
7048 (purge_line_number_notes): Ditto.
7049 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7050 (rest_of_handle_if_after_reload): Ditto.
7051 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7052 (tree_ssa_loop_im): Ditto.
7053 (tree_ssa_loop_unswitch): Ditto.
7054 (tree_vectorize): Ditto.
7055 (tree_linear_transform): Ditto.
7056 (tree_ssa_loop_ivcanon): Ditto.
7057 (tree_ssa_empty_loop): Ditto.
7058 (tree_ssa_loop_bounds): Ditto.
7059 (tree_complete_unroll): Ditto.
7060 (tree_ssa_loop_prefetch): Ditto.
7061 (tree_ssa_loop_ivopts): Ditto.
7062 (tree_ssa_loop_done): Ditto.
7063 * predict.c (tree_estimate_probability): Ditto.
7064 * recog.c (split_all_insns_noflow): Ditto.
7065 (rest_of_handle_peephole2): Ditto.
7066 (rest_of_handle_split_all_insns): Ditto.
7067 * tree-eh.c (lower_eh_constructs): Ditto.
7068 * regmove.c (rest_of_handle_regmove): Ditto.
7069 (rest_of_handle_stack_adjustments): Ditto.
7070 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7071 * function.c (instantiate_virtual_regs): Ditto.
7072 (init_function_for_compilation): Ditto.
7073 (rest_of_handle_check_leaf_regs): Ditto.
7074 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7075 (rest_of_handle_gcse): Ditto.
7076 * ipa-type-escape.c (type_escape_execute): Ditto.
7077 * alias.c (rest_of_handle_cfg): Ditto.
7078 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7079 * profile.c (rest_of_handle_branch_prob): Ditto.
7080 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7081 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7082 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7083 * tree-dfa.c (find_referenced_vars): Ditto.
7084 * except.c (set_nothrow_function_flags): Ditto.
7085 (convert_to_eh_region_ranges): Ditto.
7086 (rest_of_handle_eh): Ditto.
7087 * emit-rtl.c (unshare_all_rtl): Ditto.
7088 (remove_unnecessary_notes): Ditto.
7089 * except.h (set_nothrow_function_flags): Ditto.
7090 (convert_to_eh_region_ranges): Ditto.
7091 * cfgexpand.c (tree_expand_cfg): Ditto.
7092 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7093 * tree-ssa-pre.c (do_pre): Ditto.
7094 (execute_fre): Ditto.
7095 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7096 (rest_of_handle_jump2): Ditto.
7097 * tree-sra.c (tree_sra): Ditto.
7098 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7099 (execute_mudflap_function_decls): Ditto.
7100 * tree-ssa-copy.c (do_copy_prop): Ditto.
7101 (do_store_copy_prop): Ditto.
7102 * ipa-prop.h (ipcp_driver): Ditto.
7103 * cfglayout.c (insn_locators_initialize): Ditto.
7104 * tree-ssa-forwprop.c
7105 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7106 * cfglayout.h (insn_locators_initialize): Ditto.
7107 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7108 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7109 (execute_late_warn_uninitialized): Ditto.
7110 * rtl.h (cleanup_barriers): Ditto.
7111 (split_all_insns_noflow): Ditto.
7112 (purge_line_number_notes): Ditto.
7113 (unshare_all_rtl): Ditto.
7114 (remove_unnecessary_notes): Ditto.
7115 (recompute_reg_usage): Ditto.
7116 (variable_tracking_main): Ditto.
7117 * integrate.c (emit_initial_value_sets): Ditto.
7118 * integrate.h (emit_initial_value_sets): Ditto.
7119 * tree-optimize.c (execute_free_datastructures): Ditto
7120 (execute_free_cfg_annotations): Ditto.
7121 (execute_fixup_cfg): Ditto.
7122 (execute_cleanup_cfg_pre_ipa): Ditto.
7123 (execute_cleanup_cfg_post_optimizing): Ditto.
7124 (execute_init_datastructures): Ditto.
7125 * tree-object-size.c (compute_object_sizes): Ditto.
7126 * combine.c (rest_of_handle_combine): Ditto.
7127 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7128 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7129 (rest_of_handle_reorder_blocks): Ditto.
7130 (rest_of_handle_partition_blocks): Ditto.
7131 * var-tracking.c (variable_tracking_main): Ditto.
7132 * tree-profile.c (tree_profiling): Ditto.
7133 * tree-vect-generic.c (expand_vector_operations): Ditto.
7134 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7135 * sched-rgn.c (rest_of_handle_sched): Ditto.
7136 (rest_of_handle_sched2): Ditto.
7137 * basic-block.h (free_bb_insn): Ditto.
7138 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7139 * tree-cfg.c (execute_build_cfg): Ditto.
7140 (remove_useless_stmts): Ditto.
7141 (split_critical_edges): Ditto.
7142 (execute_warn_function_return): Ditto.
7143 (execute_warn_function_noreturn): Ditto.
7144 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7145 * cfgrtl.c (free_bb_for_insn): Ditto.
7146 * passes.c (execute_one_pass): Run additional
7147 todos returned by execute function.
7148 * tree-pass.h (struct tree_opt_pass): Make execute
7151 2006-03-02 Richard Guenther <rguenther@suse.de>
7153 * tree-ssa-alias.c (find_used_portions): Consider taking
7154 the address as making the variable not write-only.
7156 2006-03-02 Nick Clifton <nickc@redhat.com>
7158 * config.gcc (default_use_cxa_atexit): Extend the description of
7159 this configure variable. Set its default value to "yes" for
7160 Linux, NetBSD and ELF targets on the assumption that they will
7161 use C libraries with the __cxa_atexit function.
7163 2006-03-02 Ben Elliston <bje@au.ibm.com>
7165 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7166 parameter as unused to suppress a build warning.
7168 2006-03-02 Ben Elliston <bje@au.ibm.com>
7170 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7173 2006-03-01 Roger Sayle <roger@eyesopen.com>
7176 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7177 declared name, the weak reference name, and the typeof name.
7178 (__gthrw): Avoid expanding the declared name suffix.
7179 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7181 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7183 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7185 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7186 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7187 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7188 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7189 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7190 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7191 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7192 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7193 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7194 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7195 (DW_END_default, DW_END_big, DW_END_little): New.
7196 (DW_END_lo_user, DW_END_hi_user): Define.
7197 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7198 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7199 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7202 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7204 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7206 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7208 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7210 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7212 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7213 to 'symbol_mem_tag'.
7215 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7218 2006-03-01 Roger Sayle <roger@eyesopen.com>
7220 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7222 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7225 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7226 MACHO_DYNAMIC_NO_PIC_P.
7227 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7229 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7232 * config/darwin-protos.h (darwin_asm_output_anchor):
7234 * config/darwin-sections.def (cstring_section):
7235 Add SECTION_MERGE to the flags.
7236 (literal4_section): Likewise.
7237 (literal8_section): Likewise.
7238 (objc_selector_refs_section): Likewise.
7239 (objc_cls_refs_section): Likewise.
7240 * config/darwin.c (darwin_asm_output_anchor): New
7242 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7244 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7246 Fix PR tree-optimization/26443
7247 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7248 to todo and PROP_tmt_usage to properties_destroyed.
7249 * tree-ssa-ccp.c (pass_ccp): Ditto.
7250 (pass_store_ccp): Ditto.
7251 * tree-ssa-dom.c (pass_dominator): Ditto.
7253 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7255 * tree-ssa-operands.c: Cleanup whitespace.
7256 (get_asm_expr_operands): Move before first invocation.
7257 (get_indirect_ref_operands): Likewise.
7258 (get_tmr_operands): Likewise.
7259 (get_call_expr_operands): Likewise.
7260 (append_def): Likewise.
7261 (append_use): Likewise.
7262 (append_v_may_def): Likewise.
7263 (append_v_must_def): Likewise.
7264 (add_call_clobber_ops): Likewise.
7265 (add_call_read_ops): Likewise.
7266 (add_stmt_operand): Likewise.
7267 (add_virtual_operand): Likewise.
7268 (build_ssa_operands): Likewise.
7270 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7275 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7276 with a call expr to ...
7277 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7279 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7281 * tree-vrp.c (extract_range_from_assert): Remove special
7282 handling for types with super-types.
7284 2006-03-01 Ben Elliston <bje@au.ibm.com>
7286 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7287 and powerpc64-*-linux* configurations.
7288 * config/t-dfprules: New file.
7290 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7291 Compile dfp-bit.c from the source directory using -DWIDTH and
7292 $DFP_CFLAGS to control the compilation of that file, rather than
7293 generating width-specific versions in the build directory.
7294 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7295 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7297 2006-02-28 Zack Weinberg <zackw@panix.com>
7299 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7302 2006-02-28 Eric Christopher <echristo@apple.com>
7304 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7305 Set up IN_LIBGCC definition of TARGET_64BIT.
7306 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7308 2006-02-28 Roger Sayle <roger@eyesopen.com>
7311 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7312 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7313 cases via the construction of "expr != 0".
7315 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7317 * alias.c (alias_invariant, alias_invariant_size): Remove.
7318 (record_base_value): Remove.
7319 (memrefs_conflict_p): Don't look at alias_invariant.
7320 (end_alias_analysis): Don't free it.
7321 * alias.h (record_base_value): Remove prototype.
7323 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7324 Adam Nemet <anemet@caviumnetworks.com>
7326 * rtl.h (truncated_to_mode): Declare it.
7327 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7328 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7329 (RTL_HOOKS_INITIALIZER): Include it.
7330 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7331 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7332 reg_truncated_to_mode.
7333 * rtlanal.c (truncated_to_mode): Define it.
7334 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7336 2006-02-28 Jeff Law <law@redhat.com>
7338 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7339 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7340 the range allowed by TYPE_PRECISION.
7342 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7344 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7346 PR tree-optimization/26419
7347 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7350 2006-02-27 Zack Weinberg <zackw@panix.com>
7352 * doc/md.texi: Fix typo in previous change.
7354 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7358 2006-02-27 Zack Weinberg <zackw@panix.com>
7360 * rtl.def (define_constraint, define_register_constraint)
7361 (define_memory_constraint, define_address_constraint): New MD forms.
7362 * gensupport.c (process_rtx): Put define_constraint etc on the
7364 * genpreds.c (process_define_predicate): Adjust comment. Validate
7365 the name, and call validate_exp to validate the expression.
7366 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7367 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7368 all callers changed.
7369 (validate_exp, needs_variable, struct constraint_data)
7370 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7371 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7372 (const_dbl_constraints, constraint_max_namelen)
7373 (have_register_constraints, have_memory_constraints)
7374 (have_address_constraints, have_address_constraints)
7375 (have_extra_constraints, have_const_int_constraints)
7376 (have_const_dbl_constraints, mangle, add_constraint)
7377 (process_define_constraint, process_define_register_constraint)
7378 (write_enum_constraint_num, write_lookup_constraint)
7379 (write_insn_constraint_len, write_regclass_for_constraint)
7380 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7381 (write_insn_extra_memory_constraint)
7382 (write_insn_extra_address_constraint)
7383 (write_satisfies_constraint_fns): New.
7384 (write_tm_preds_h): If we have new-style constraint definitions,
7385 prototype the functions generated from them, and define the
7386 old constraint interface (still used by generic code) in terms of
7388 (write_insn_preds_c): If we have new-style constraint definitions,
7389 generate all relevant functions from those definitions.
7390 (main): Handle define_constraint etc.
7391 * genoutput.c (struct constraint_data, indep_constraints)
7392 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7393 (mdep_constraint_len): New data structures and functions, defined
7394 #ifdef USE_MD_CONSTRAINTS.
7395 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7396 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7397 use new logic to validate operand constraints against constraint
7399 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7401 * defaults.h: If none of the old-style constraint macros are
7402 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7403 old-style macros; and poison REG_CLASS_FROM_LETTER,
7404 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7406 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7407 * doc/md.texi: Document new constraint-definition mechanism and the
7408 C interface it provides. Remove references to old mechanism
7409 elsewhere in the document.
7410 (Machine Constraints): Use pathnames relative to gcc directory,
7411 i.e. config/ARCH/FILE. Change i386 section to refer to
7412 config/i386/predicates.md; update that section to match docstrings.
7413 * doc/tm.texi: Move all documentation of the old constraint-
7414 definition macros to their own section, clearly mark as obsolete.
7416 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7417 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7419 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7420 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7421 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7423 (splits and peepholes): Use satisfies_constraint_*.
7424 * config/i386/i386.c (memory_address_length)
7425 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7427 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7429 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7430 scalar operation to be put back into the loop.
7432 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7435 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7436 (extract_cie_info): Handle S flag in augmentation string.
7437 (execute_cfa_program): If context->signal_frame, execute also
7438 fs->pc == context->ra instructions.
7439 (uw_frame_state_for): If context->signal_frame, don't subtract one
7440 from context->ra to find FDE.
7441 (uw_update_context_1): Set context->signal_frame to
7443 (_Unwind_GetIPInfo): New function.
7444 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7445 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7447 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7448 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7449 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7450 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7451 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7452 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7453 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7454 x86_64_fallback_frame_state): Set fs->signal_frame.
7455 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7456 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7457 (frob_update_context): Likewise. Workaround missing S flag in
7458 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7459 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7460 Remove the psw_addr + 1 hack.
7462 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7464 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7465 with aggregates here.
7466 (find_func_aliases): Remove code for &<aggregate> from here.
7468 2006-02-26 Roger Sayle <roger@eyesopen.com>
7470 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7471 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7472 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7475 2006-02-26 Roger Sayle <roger@eyesopen.com>
7478 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7480 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7482 * opts.c (decode_options): Do not handle flag_strength_reduce.
7483 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7484 and OPT_fstrength_reduce.
7485 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7486 flag_prefetch_loop_arrays for being nonzero.
7487 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7489 (fprefetch-loop-arrays-rtl): Removed.
7490 (flag_prefetch_loop_arrays): Do not specify the value.
7492 * doc/passes.texi: Update documentation of loop optimizer
7494 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7495 -frerun-loop-opt): Remove.
7497 2006-02-26 Richard Guenther <rguenther@suse.de>
7499 PR tree-optimization/26421
7500 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7501 in function calls that are ADDR_EXPRs as using the whole structure.
7503 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7505 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7506 * tree-pass.h (pass_loop_optimize): Remove.
7507 * passes.c (pass_loop_optimize): Never run it.
7508 * toplev.c (backend_init): Don't call init_loop.
7509 * opts.c (flag_loop_optimize_set): Remove.
7510 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7511 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7512 the old RTL loop optimizer when profiling enabled.
7513 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7514 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7515 pre-headers for the sake of the old RTL loop optimizer.
7516 * Makefile.in: Remove all references to loop.o.
7518 * doc/invoke.texi: Remove all references to -floop-optimize
7519 and -frerun-loop-opt.
7521 2006-02-26 Zack Weinberg <zackw@panix.com>
7523 * doc/md.texi (Machine Constraints): Refer to all files with paths
7524 relative to gcc directory (i.e. config/CPU/file). Add missing
7525 @table @code ... @end table to M32C subsection.
7527 2006-02-26 Roger Sayle <roger@eyesopen.com>
7529 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7531 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7533 2006-02-26 Roger Sayle <roger@eyesopen.com>
7534 James A. Morrison <phython@gcc.gnu.org>
7537 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7538 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7539 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7540 signedness of the shift operation.
7542 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7544 PR tree-optimization/26359
7545 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7547 2006-02-25 Roger Sayle <roger@eyesopen.com>
7549 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7550 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7551 as X == 0, and some symmetry related transformations.
7552 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7554 2006-02-25 Roger Sayle <roger@eyesopen.com>
7557 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7558 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7559 symmetry related transformations. Fold (X^C1) == C2 as
7562 2006-02-25 Juergen Weigert <jw@suse.de>
7563 Richard Guenther <rguenther@suse.de>
7565 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7567 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7569 * combine.c (gen_lowpart_or_truncate): Call
7570 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7572 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7574 * doc/invoke.texi: Move -fopenmp description to "Options for
7576 Remove reference to -lgomp.
7578 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7580 * doc/install.texi: Require GNU tar version 1.14.
7582 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7584 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7585 * doc/invoke.texi (C++ Dialect Options): Document
7586 -fno-use-cxa-get-exception-ptr.
7587 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7588 * configure: Regenerate.
7589 * c.opt (fuse-cxa-get-exception-ptr): New.
7590 * c-opts.c (c_common_handle_option): Handle
7591 OPT_fuse_cxa_get_exception_ptr.
7592 * c-common.c (flag_use_cxa_atexit): Update documentation.
7593 (flag_use_cxa_get_exception_ptr): New.
7594 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7595 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7597 (C_COMMON_OVERRIDE_OPTIONS): New.
7599 2006-02-24 Roger Sayle <roger@eyesopen.com>
7602 * combine.c (try_combine): Explicitly check whether GET_CODE is
7603 a SET or a CLOBBER, instead on checking that it isn't a USE.
7605 2006-02-24 Roger Sayle <roger@eyesopen.com>
7607 * fold-const.c (fold_comparison): New subroutine of fold_binary
7608 containing transformations common to both the equality and
7609 ordering relational operators, factored out of fold_binary.
7610 (fold_binary): Separate out the equality operators (EQ_EXPR
7611 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7612 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7613 transformations common to both.
7614 (fold_div_compare): Fix latent bugs in the previously unreachable
7615 LT_EXPR and GE_EXPR cases.
7617 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7619 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7620 decl libname for clog to __clog on AIX.
7622 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7624 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7627 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7628 output traceback table for thunks. Localise rs6000_stack_info call.
7630 2006-02-23 Roger Sayle <roger@eyesopen.com>
7631 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7633 * gthr-posix.h (__gthrw): Fix typo in comment.
7635 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7637 * doc/cpp.texi (Character sets): Document that we do support
7638 input files to be in any character set.
7640 2006-02-23 Jeff Law <law@redhat.com>
7642 * tree.h (PHI_ARG_NONZERO): Remove.
7643 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7644 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7645 node to the new node.
7647 PR tree-optimization/26425
7648 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7649 min/max, then assume its varying.
7651 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7653 PR rtl-optimization/26316
7654 * rtlanal.c (enum may_trap_p_flags): New.
7655 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7656 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7657 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7658 (may_trap_after_code_motion_p): New function.
7659 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7660 (find_invariant_insn): Use may_trap_after_code_motion_p.
7661 * rtl.h (may_trap_after_code_motion_p): Declare.
7663 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7665 * emit-rtl.c (immed_double_const): Cleanup.
7667 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7669 Fix PR tree-optimization/26376
7670 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7673 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7676 * gimplify.c (omp_add_variable): Guard variable size decl test with
7677 DECL_SIZE (decl) check.
7679 2006-02-23 Richard Guenther <rguenther@suse.de>
7682 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7683 like aggregate types.
7685 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7687 * configure.ac: Add --with{,out}-long-double-128 configure option.
7688 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7689 * configure: Rebuilt.
7690 * config.in: Rebuilt.
7691 * doc/install.texi (Options specification): Document
7692 --with-long-double-128.
7694 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7695 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7696 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7697 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7699 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7701 * config/s390/s390.c (override_options): Handle
7702 TARGET_DEFAULT_LONG_DOUBLE_128.
7704 * config/alpha/alpha.c (override_options): Handle
7705 TARGET_DEFAULT_LONG_DOUBLE_128.
7707 * config/sparc/sparc.c (sparc_override_options): Handle
7708 TARGET_DEFAULT_LONG_DOUBLE_128.
7710 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7712 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7713 (real-install-headers-tar, real-install-headers-cpio)
7714 (real-install-headers-cp): New targets.
7716 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7718 * tree.h (variable_section): Delete.
7719 * varasm.c (variable_section): Delete.
7721 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7723 * install.texi: Add notes on install.texi2html.
7724 (Building in parallel): Do not use footnotes.
7726 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7729 * doc/install.texi (Configuration): Document --disable-libgomp.
7731 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7733 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7735 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7737 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7738 (vec_extractv2df_0_sse): New.
7740 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7742 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7743 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7744 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7745 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7746 to the result of the expression.
7747 (def_cfa_1): Adjust.
7748 (frame_pointer_cfa_offset): Rename to...
7749 (frame_pointer_fb_offset): ... this. Adjust all uses.
7750 (convert_cfa_to_loc_list): Rename to...
7751 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7752 Pass it on to build_cfa_loc.
7753 (compute_frame_pointer_to_cfa_displacement): Rename to...
7754 (compute_frame_pointer_to_fb_displacement): ... this. New
7755 offset parameter. Use it in computation.
7756 (gen_subprogram_die): Compute cfa_fb_offset with the new
7757 macro, and use it to compute the fb loc list and the
7760 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7762 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7763 replaced with register_operand.
7764 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7765 non-DREG is expensive.
7766 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7767 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7770 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7772 * doc/install.texi2html: Use set -e.
7774 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7776 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7777 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7778 * doc/invoke.texi (-fshared-data): Delete.
7779 * common.opt (fshared-data): Delete.
7780 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7781 (assemble_static_space): Remove #if 0 code.
7782 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7783 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7784 * config/cris/cris.h: Remove FIXME.
7786 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7788 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7791 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7794 * combine.c (simplify_shift_const_1): Disable nested shifts
7795 optimization for vector shifts.
7797 2006-02-20 Roger Sayle <roger@eyesopen.com>
7799 PR tree-optimization/26361
7800 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7801 of unsigned integer types.
7803 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7805 * tree-chrec.c (eq_evolutions_p): New.
7806 * tree-chrec.h (eq_evolutions_p): Declared.
7807 * tree-data-ref.c: Fix formatting.
7808 (datadep_stats, dependence_stats): New.
7810 (print_direction_vector): New.
7811 (dump_data_dependence_relation): Use print_direction_vector.
7812 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7813 (compute_subscript_distance): Static.
7814 (initialize_data_dependence_relation): Static. Get the number
7815 of loops surrounding the references from the callers, and initialize
7816 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7817 base_object_differ_p analyzers.
7818 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7819 compute_overlap_steps_for_affine_1_2,
7820 analyze_subscript_affine_affine): Count the classified dependences.
7821 Print a message when a test failed.
7822 (can_use_analyze_subscript_affine_affine): New.
7823 (analyze_siv_subscript): Compute the data dependences on symbolic
7824 scevs that verify can_use_analyze_subscript_affine_affine.
7825 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7826 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7827 Handle symbolic scevs.
7828 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7830 (subscript_dependence_tester): Moved...
7831 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7832 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7833 DDR_SIZE_VECT instead of getting it in parameter.
7834 (subscript_dependence_tester): ... here. Take as a parameter
7835 loop_nest_depth. Call build_classic_dist_vector and
7836 build_classic_dir_vector.
7837 (compute_affine_dependence): Update subscript_dependence_tester
7838 parameters. Update datadep_stats counters. Call
7839 compute_subscript_distance.
7840 (compute_self_dependence): Save the dist and dir vectors. Call
7841 compute_subscript_distance.
7842 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7843 (compute_all_dependences): Reorder parameters as they were before
7844 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7845 compute_subscript_distance. Update the use of
7846 compute_affine_dependence and initialize_data_dependence_relation.
7847 (find_data_references_in_loop): Handle COMPONENT_REF.
7848 (compute_data_dependences_for_loop): Initialize dependence_stats.
7849 Don't call build_classic_dist_vector and build_classic_dir_vector.
7850 Update the parameters of initialize_data_dependence_relation and
7851 compute_all_dependences. Print the statistics from datadep_stats.
7852 (analyze_all_data_dependences): Static. Not used until the pass for
7853 checking the data dependences is contributed.
7854 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7855 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7856 (initialize_data_dependence_relation, compute_affine_dependence,
7857 analyze_all_data_dependences, compute_subscript_distance): Removed.
7858 (print_direction_vector): New.
7859 * lambda.h (gcd): ... here.
7860 (lambda_vector_gcd): Moved here from gcd_vector.
7861 * lambda-code.c (gcd, gcd_vector): Removed.
7862 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7863 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7865 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7867 * ipa-type-escape.c: Tidy some comments and white space.
7868 * tree-ssa-operands.c: Likewise.
7870 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7873 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7874 (dump_decl_name): Do not walk the decl tree chains.
7875 * tree-pass.h (TDF_CHAIN): Remove.
7877 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7879 * Makefile.in (C): Remove
7881 (.PHONY): Remove C and PROTO
7883 2006-02-20 Roger Sayle <roger@eyesopen.com>
7886 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7887 deprecated CHAR_TYPE tree code.
7889 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7891 * configure.ac (target_list): Add install-info, dvi, html.
7892 * configure: Regenerate.
7894 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7895 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7896 treelang/Make-lang.in: Do not use double-colon rules.
7898 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7900 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7901 (TMT_USED_ALONE): New macro.
7902 * tree-pass.h (PROP_tmt_usage): New property.
7903 (TODO_update_tmt_usage): New todo.
7904 * tree-ssa-alias.c (updating_used_alone): New variable.
7905 (recalculate_used_alone): New function.
7906 (compute_may_aliases): Set updating_used_alone, call
7907 recalculate_used_alone.
7908 * tree-sra.c (pass_sra): Note that this pass destroys
7909 PROP_tmt_usage, and add TODO_update_tmt_usage.
7910 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7911 * tree-flow.h (updating_used_alone): Prototype.
7912 (recalculate_used_alone): Ditto.
7913 * passes.c (execute_todo): Add code to set updating_used_alone,
7914 and call recalculate.
7915 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7916 for clobber if used alone, and add assert to verify used_alone
7919 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7921 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7922 for non tls symbols added.
7923 (legitimize_address): Do nothing for PLUS expressions if one of the
7924 addends is a tls symbol reference.
7926 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7930 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7932 * Makefile.in (BOOTSTRAPPING): New.
7933 (quickstrap): New definition if BOOTSTRAPPING=yes.
7935 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7936 * configure.ac: Substitute all_selected_languages with the languages
7937 that were configured. For all the other variables except
7938 lang_specs_files, include all the languages in the tree.
7939 * configure: Regenerate.
7941 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7942 if there is one. Run the commands to run fixincludes in the same
7945 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7946 * doc/install.texi: Document exact conventions for searching target tools.
7947 Document --with-build-time-tools. Document toplevel bootstrap. Document
7948 something more about building an Ada cross-compiler. Don't list GNU Make
7949 requirements which affect all platforms.
7951 2006-02-19 Roger Sayle <roger@eyesopen.com>
7954 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7955 only equivalent if the have both the same mode and precision.
7957 2006-02-20 Ben Elliston <bje@au.ibm.com>
7959 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7961 2006-02-19 Roger Sayle <roger@eyesopen.com>
7962 Steven Bosscher <stevenb.gcc@gmail.com>
7964 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7965 constant pool references to identify stack mode constants.
7966 * rtlanal.c (constant_pool_constant_p): New predicate to check
7967 whether operand is a floating point constant in the pool.
7968 * rtl.h (constant_pool_constant_p): Prototype here.
7969 * loop.c (scan_loop): Avoid hoisting constants from the constant
7970 pool on STACK_REGS targets.
7971 (load_mems): Likewise.
7972 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7973 loads into x87 registers expensive in terms of register pressure.
7975 2006-02-19 Roger Sayle <roger@eyesopen.com>
7977 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7978 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7980 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7982 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7983 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7985 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7987 * doc/invoke.texi: Document -fipa-pta.
7988 * common.opt: Add ipa-pta option.
7989 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7990 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7991 (do_ds_constraint): Ditto.
7992 (get_constraint_for): Only add to referenced_vars if
7993 referenced_vars exists.
7994 (insert_into_field_list): Rewrite to do this unsorted.
7995 (insert_into_field_list_sorted): Rename old insert_into_field_list
7997 (create_function_info_for): Use insert_into_field_list_sorted.
7998 (create_variable_info_for): Rewrite so it uses unsorted version,
7999 since the field list is sorted.
8000 (intra_create_variable_infos): Only add to referenced_vars if
8001 referenced_vars exists.
8002 (ipa_pta_execute): Init heapvars, and delete when done.
8003 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8005 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8007 * doc/install.texi: Add missing `@samp'.
8009 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8011 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8014 2006-02-18 Mark Wielaard <mark@klomp.org>
8016 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8017 who added new 4.1 features, bug fixes and integration support.
8019 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8022 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8025 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8027 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8028 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8029 (copy_insn_1): Likewise. Don't copy each field individually.
8031 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8033 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8034 * rtl.c (rtx_size): Rename variable to...
8035 (rtx_code_size): ...this.
8036 (rtx_size): New function.
8037 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8038 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8040 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8041 * rtl.h (rtx_code_size): New variable.
8042 (rtx_size): Change from a variable to a function.
8043 (RTX_SIZE): Rename to...
8044 (RTX_CODE_SIZE): ...this.
8047 PR tree-optimization/17106
8048 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8049 (Anchored Addresses): New section.
8050 * doc/invoke.texi (-fsection-anchors): Document.
8051 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8052 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8053 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8054 * hooks.c (hook_bool_mode_rtx_false): New function.
8055 * hooks.h (hook_bool_mode_rtx_false): Declare.
8056 * gengtype.c (create_optional_field): New function.
8057 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8058 SYMBOL_REF_IN_BLOCK_P is true.
8059 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8060 (min_anchor_offset, max_anchor_offset): Likewise.
8061 (use_anchors_for_symbol_p): New hook.
8062 * toplev.c (compile_file): Call output_object_blocks.
8063 (target_supports_section_anchors_p): New function.
8064 (process_options): Check that -fsection-anchors is only used on
8065 targets that support it and when -funit-at-a-time is in effect.
8066 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8067 if the decl doesn't have one.
8068 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8069 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8070 of force_const_mem through use_anchored_address.
8071 (expand_expr_constant): New function.
8072 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8073 calling expand_expr for INDIRECT_REF.
8074 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8075 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8076 * expr.h (use_anchored_address): Declare.
8077 * loop-unroll.c: Don't declare rtx vectors here.
8078 * explow.c: Include output.h.
8079 (validize_mem): Call use_anchored_address.
8080 (use_anchored_address): New function.
8081 * common.opt (-fsection-anchors): New switch.
8082 * varasm.c (object_block_htab, anchor_labelno): New variables.
8083 (hash_section, object_block_entry_eq, object_block_entry_hash)
8084 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8085 (use_blocks_for_decl_p, change_symbol_section): New functions.
8086 (get_variable_section): New function, split out from assemble_variable.
8087 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8088 use_blocks_for_decl_p say so. Use change_symbol_section if the
8089 symbol has already been created.
8090 (assemble_variable_contents): New function, split out from...
8091 (assemble_variable): ...here. Don't output any code for
8092 block symbols; just pass them to place_block_symbol.
8093 Use get_variable_section and assemble_variable_contents.
8094 (get_constant_alignment, get_constant_section, get_constant_size): New
8095 functions, split from output_constant_def_contents.
8096 (build_constant_desc): Create a block symbol if use_object_blocks_p
8097 says so. Or into SYMBOL_REF_FLAGS.
8098 (assemble_constant_contents): New function, split from...
8099 (output_constant_def_contents): ...here. Don't output any code
8100 for block symbols; just pass them to place_section_symbol.
8101 Use get_constant_section and get_constant_alignment.
8102 (force_const_mem): Create a block symbol if use_object_blocks_p and
8103 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8104 (output_constant_pool_1): Add an explicit alignment argument.
8105 Don't switch sections here.
8106 (output_constant_pool): Adjust call to output_constant_pool_1.
8107 Switch sections here instead. Don't output anything for block symbols;
8108 just pass them to place_block_symbol.
8109 (init_varasm_once): Initialize object_block_htab.
8110 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8111 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8112 (place_block_symbol, get_section_anchor, output_object_block)
8113 (output_object_block_htab, output_object_blocks): New functions.
8114 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8115 (TARGET_ASM_OUT): Include it.
8116 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8117 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8118 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8119 (TARGET_INITIALIZER): Include them.
8120 * rtl.c (rtl_check_failed_block_symbol): New function.
8121 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8122 (block_symbol, object_block): New structures.
8123 (rtx_def): Add a block_symbol field to the union.
8124 (BLOCK_SYMBOL_CHECK): New macro.
8125 (rtl_check_failed_block_symbol): Declare.
8126 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8127 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8128 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8129 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8130 * output.h (output_section_symbols): Declare.
8131 (object_block): Name structure.
8132 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8133 (default_use_anchors_for_symbol_p): Declare.
8134 * Makefile.in (RTL_BASE_H): Add vec.h.
8135 (explow.o): Depend on output.h.
8136 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8137 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8138 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8139 (rs6000_use_blocks_for_constant_p): New function.
8141 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8143 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8145 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8148 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8151 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8153 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8157 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8160 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8161 instead of DECL_REGISTER.
8163 2006-02-18 Olivier Hainque <hainque@adacore.com>
8166 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8168 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8171 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8172 * opth-gen.awk: Handle Var and InverseMask together.
8173 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8174 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8175 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8176 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8178 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8179 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8180 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8181 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8182 LINUX_DYNAMIC_LINKER): Define.
8183 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8184 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8186 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8187 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8188 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8190 (TARGET_C99_FUNCTIONS): Don't define.
8191 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8192 GLIBC_DYNAMIC_LINKER.
8193 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8194 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8195 GLIBC_DYNAMIC_LINKER64): Define.
8196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8197 LINUX_DYNAMIC_LINKER64.
8198 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8200 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8202 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8204 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8205 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8206 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8208 and LINUX_DYNAMIC_LINKER32.
8209 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8211 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8213 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8215 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8216 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8217 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8218 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8219 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8220 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8221 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8222 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8223 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8224 LINUX_DYNAMIC_LINKER): Define.
8225 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8226 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8227 GLIBC_DYNAMIC_LINKER64): Define.
8228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8229 LINUX_DYNAMIC_LINKER64.
8230 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8231 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8232 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8233 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8234 LINUX_DYNAMIC_LINKER): Define.
8235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8236 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8237 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8238 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8239 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8240 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8241 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8242 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8243 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8244 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8245 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8246 * doc/invoke.texi (-muclibc): Remove caveat about supported
8249 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8251 * doc/cpp.texi (__TIMESTAMP__): Document.
8253 2006-02-17 Roger Sayle <roger@eyesopen.com>
8256 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8257 C is one less than the width of X (and related transformations).
8258 * simplify-rtx.c (simplify_unary_operation_1): Transform
8259 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8260 depending on STORE_FLAG_VALUE, were C is one less then the
8263 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8265 Fix PR tree-optimization/26341
8266 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8267 about NAME_MEMORY_TAG's.
8269 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8272 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8273 with hardware float support, and software float support. Add fcpy
8274 alternative to hardware patterns. Add alternatives to copy between
8275 general and floating-point registers to the 32-bit pattern.
8276 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8277 secondary reload to load a QI or HI mode constant into a floating
8279 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8280 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8282 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8285 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8287 (load_macho_picbase_di): Likewise.
8289 2006-02-16 Jeff Law <law@redhat.com>
8291 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8292 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8293 (ssa_name_nonzero_p): Likewise.
8294 (get_value_range): Return NULL if VRP is not running.
8295 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8296 VRP routines do not discover a range.
8297 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8298 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8299 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8300 (tree_expr_nonnegative_p): Similarly.
8301 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8302 (restore_nonzero_vars_to_original_value): Remove.
8303 (unsafe_associative_fp_binop): Remove.
8304 (tree_ssa_dominator_optimize): Remove initialization and
8305 finalization of nonzero_vars and nonzero_vars_stack.
8306 (dom_opt_initialize_block): No longer push marker on
8308 (dom_opt_finalize_block): No longer call
8309 restore_nonzero_vars_to_original_value.
8310 (record_equivalences_from_phis): No longer look for
8311 nonzero PHI arguments.
8312 (cprop_into_successor_phis): No longer propagate nonzero
8313 property into PHI arguments. Lose unused argument. Caller
8315 (record_equivalences_from_stmt): No longer record nonzero
8316 values for SSA_NAMEs.
8317 (lookup_avail_expr): No longer use nonzero_vars.
8319 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8320 for sizetype when sizetype is unsigned.
8322 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8324 PR rtl-optimization/25603
8325 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8326 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8327 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8328 with new meaning of SETS.
8330 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8335 * config/linux.opt: New file.
8336 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8337 LINUX_DYNAMIC_LINKER): Define.
8338 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8339 * config.gcc (*-*-linux*): Define extra_options.
8340 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8341 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8342 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8343 GLIBC_DYNAMIC_LINKER.
8344 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8345 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8346 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8348 * doc/invoke.texi (GNU/Linux Options): New section.
8350 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8352 * config/sparc/sparc.md (setjmp): Rewrite.
8353 (setjmp_32): Delete.
8354 (setjmp_64): Likewise.
8356 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8358 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8361 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8363 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8366 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8368 PR rtl-optimization/26296
8369 * Makefile.in (loop-invariant.c): Add except.h dependency.
8370 * loop-invariant.c: Include except.h.
8371 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8373 2005-02-16 Paul Brook <paul@codesourcery.com>
8375 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8378 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8380 PR rtl-optimization/25636
8381 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8382 when deciding whether an insn is an initializing insn.
8384 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8386 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8387 (tree_code_size): Ditto.
8388 * tree.h (struct tree_memory_tag): Remove parent_var.
8389 (struct tree_struct_field_tag): New.
8392 (union tree_node): Add sft member.
8393 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8395 (create_sft): Add size and offset argument, set SFT_OFFSET and
8397 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8398 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8399 * tree-flow-inline.h (get_subvar_at): Update for
8400 SFT_OFFSET/SFT_SIZE.
8401 (var_can_have_subvars): Ditto.
8402 (overlap_subvar): Ditto.
8403 * print-tree.c (print_node): Print out interesting things for
8405 * tree-flow.h (struct subvar): Remove offset and size members.
8406 * tree-ssa-operands.c (get_expr_operands): Update for
8407 get_indirect_ref_operands changes.
8408 (get_indirect_ref_operands): Call add_virtual_operand instead of
8409 add_stmt_operand. Only recurse on base var if requested.
8410 (access_can_touch_variable): New function.
8411 (add_stmt_operand): Split virtual operand handling into ...
8412 (add_virtual_operand): Here. Add offset, size, and for_clobber
8413 arguments. Prune alias sets.
8414 (add_call_clobber_ops): Call add_virtual_operand.
8416 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8419 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8421 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8422 than TREE_CODE as index into omp_clause_num_ops array.
8424 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8426 PR rtl-optimization/26184
8427 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8429 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8430 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8431 must_precede, must_follow and tobe_scheduled.
8434 * opts.c (common_handle_option): Free new_option pointer.
8435 * df-core.c (df_analyze): Free postorder pointer.
8437 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8439 * Makefile.in: Fix the examples about the use of stamps
8441 2006-02-15 Michael Matz <matz@suse.de>
8445 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8446 influenced by maximum_field_alignment or DECL_PACKED.
8447 (update_alignment_for_field): Ditto.
8448 (place_field): Ditto.
8449 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8452 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8454 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8455 (debug_flow_info): Pass it.
8456 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8457 * bb-reorder.c (reorder_basic_blocks): Likewise.
8458 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8459 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8460 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8461 * gcse.c (gcse_main, bypass_jumps): Likewise.
8462 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8463 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8464 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8465 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8466 * rtl.h (dump_flow_info): Adjust prototype.
8467 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8468 * var-tracking.c (variable_tracking_main): Likewise.
8469 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8470 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8473 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8475 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8478 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8480 PR tree-optimization/26209
8481 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8482 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8484 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8486 2006-02-14 Roger Sayle <roger@eyesopen.com>
8489 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8490 (X,Y) and the corresponding symmetry related transformations.
8491 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8492 (X,Y) and its symmetry related transformations.
8494 2006-02-14 Roger Sayle <roger@eyesopen.com>
8496 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8499 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8501 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8503 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8506 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8507 support COMDAT group.
8508 * configure: Regenerate.
8510 2006-02-14 Roger Sayle <roger@eyesopen.com>
8515 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8517 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8519 Fix PR tree-optimization/26260
8521 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8523 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8524 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8525 * tree-ssa-structalias.c (create_variable_info_for): Use
8526 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8528 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8530 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8532 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8533 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8534 of the ending condition.
8535 * tree-ssa-loop-manip.c: Include params.h.
8536 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8537 tree_unroll_loop): New functions.
8538 * tree-pass.h (pass_loop_prefetch): Declare.
8539 * loop.c (rest_of_handle_loop_optimize): Test for
8540 -fprefetch-loop-arrays-rtl.
8541 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8542 * timevar.def (TV_TREE_PREFETCH): New timevar.
8543 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8544 pass_loop_prefetch): New.
8545 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8546 (cleanup_tree_cfg_loop): Call scev_reset.
8547 * common.opt (fprefetch-loop-arrays-rtl): Add.
8548 * tree-ssa-loop-prefetch.c: New file.
8549 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8550 (new_temp_expr_table): Initialize expr_vars.
8551 (free_temp_expr_table): Cleanup expr_vars.
8552 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8553 expressions from being merged into one.
8554 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8555 (struct tree_niter_desc): Add control, bound and cmp fields.
8556 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8558 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8559 (tree-cfgcleanup.o): Add SCEV_H dependency.
8560 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8561 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8563 2006-02-14 Richard Guenther <rguenther@suse.de>
8565 PR tree-optimization/26258
8566 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8567 in PHI argument processing.
8569 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8571 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8572 new expression in the requested machine mode.
8574 2006-02-13 Roger Sayle <roger@eyesopen.com>
8576 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8577 directly, instead let do_compare_rtx_and_jump handle this for us.
8578 * expr.c (expand_expr_real_1): Likewise.
8579 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8580 before do_jump_by_parts_greater.
8581 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8582 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8584 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8586 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8588 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8590 PR rtl-optimization/26235
8591 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8592 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8595 2006-02-13 Jeff Law <law@redhat.com>
8597 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8600 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8603 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8604 twice if decl is a builtin. When trying again, call get_callee_fndecl
8605 first to verify it is still a builtin.
8607 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8609 * dwarf2out.c (base_type_die): Don't add AT_name here.
8610 (subrange_type_die): Don't add AT_name here.
8611 (modified_type_die): Rearrange code flow. Do add AT_name here.
8613 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8615 PR rtl-optimization/26247
8616 PR rtl-optimization/26248
8617 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8619 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8621 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8622 * config/fixtfdi.c: Likewise.
8623 * config/fixunstfdi.c: Likewise.
8624 * config/floatditf.c: Likewise.
8626 2006-02-13 Roger Sayle <roger@eyesopen.com>
8629 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8630 into (X,C2) if C1 is a subset of the bits of C2. Transform
8631 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8633 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8635 2006-02-13 Josh Conner <jconner@apple.com>
8638 * varasm.c (function_section): Check for section name before
8639 calling select_section on targets that define
8640 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8641 unlikely_text_section instead of hot_function_section if
8642 first_function_block_is_cold.
8644 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8647 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8649 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8651 PR rtl-optimization/26222
8652 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8653 after tree->rtl expansion.
8654 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8655 before passing it to emit_move_insn.
8657 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8659 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8661 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8662 Clarify documentation.
8663 * c-common.h (warn_write_strings): Remove.
8664 * c-common.c (warn_write_strings): Likewise.
8665 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8668 2006-02-12 Roger Sayle <roger@eyesopen.com>
8671 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8672 (do_jump_parts_zero_rtx): New function renamed from
8673 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8674 (do_jump_parts_equality_rtx): New function split out from
8675 do_jump_parts_equality. Old implementation renamed as above.
8676 Call do_jump_parts_zero_rtx if either operand is zero.
8677 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8678 do all of the heavy lifting.
8679 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8680 calling either do_jump_by_parts_greater_rtx or
8681 do_jump_by_parts_equality_rtx.
8682 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8683 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8684 moved to do_compare_rtx_and_jump, call it directly.
8685 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8686 mode argument. Call do_compare_rtx_and_jump.
8687 (emit_case_nodes): Update calls to do_jump_if_equal.
8689 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8691 PR rtl-optimization/26225
8692 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8694 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8696 PR rtl-optimization/26232
8697 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8699 2006-02-11 Jason Merrill <jason@redhat.com>
8702 * tree-inline.c (declare_return_variable): Just don't use the
8703 modify target if it's a gimple complex reg and the return slot
8706 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8708 * doc/contrib.texi: Update my entry.
8710 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8712 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8714 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8716 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8719 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8721 * doc/invoke.texi (-floop-optimize2): Removed.
8722 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8723 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8724 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8725 * common.opt (floop-optimize2): Removed.
8726 (fmove-loop-invariants): Enabled by default.
8728 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8730 * tree-if-conv.c (combine_blocks): Free the result of
8731 get_loop_exit_edges.
8733 2006-02-10 Jeff Law <law@redhat.com>
8735 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8737 PR tree-optimization/26213
8738 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8739 loop trying to follow SSA_NAME_VALUE chains.
8741 2006-02-10 Richard Guenther <rguenther@suse.de>
8743 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8744 deal with structures that end in implicitly variable sized arrays.
8746 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8748 PR rtl-optimization/24762
8749 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8752 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8754 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8755 (struct ivopts_data): Add regs_used field.
8756 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8757 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8758 instead of loop_data->regs_used;
8759 (free_loop_data): Do not free aux fields for loops.
8760 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8761 and tree_ssa_iv_optimize_finalize.
8763 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8765 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8767 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8770 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8771 computing the effective result type.
8773 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8776 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8777 (tree_overlaps_hard_reg_set): Declare.
8778 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8779 type and signature to match function type expected by walk_tree.
8780 (tree_overlaps_hard_reg_set): New function.
8781 (decl_conflicts_with_clobbers_p): Rename to:
8782 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8783 Use tree_overlaps_hard_reg_set. Changed caller.
8784 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8785 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8786 * cris.c (cris_md_asm_clobbers): Likewise.
8788 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8790 * reload1.c (emit_input_reload_insns): Delete code that tries to
8791 inherit using find_equiv_reg.
8793 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8795 * c-common.h (flag_const_strings): Don't declare.
8796 * c-common.c (flag_const_strings): Remove.
8797 * c.opt (fconst_strings): Remove.
8798 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8799 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8800 (c_common_init_options): Don't set flag_const_strings.
8801 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8803 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8805 * arm.md (tlobits_cbranch): New pattern.
8806 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8807 testing a single bit.
8809 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8812 * tree-ssa-pre.c (create_component_ref_by_pieces):
8813 Handle RETURN_DECL like VAR_DECL.
8815 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8818 * fold-const.c (fold_indirect_ref_1): Fold
8819 "*(foo *)&complexfoo" to "__real__ complexfoo"
8820 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8822 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8824 * tree-flow-inline.h (var_can_have_subvars):
8825 Volatile variables should not have subvariables.
8827 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8830 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8831 multiplying unsigned values.
8834 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8836 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8838 2006-02-08 Jason Merrill <jason@redhat.com>
8841 * tree.def: Elaborate on difference from MODIFY_EXPR.
8842 * doc/c-tree.texi (INIT_EXPR): Likewise.
8843 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8844 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8845 (gimplify_target_expr): Likewise.
8846 (gimplify_cond_expr): Remove target handling.
8847 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8848 (gimplify_expr): Clobber it here.
8849 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8850 Do return slot optimization if we have an INIT_EXPR.
8853 * tree-inline.c (declare_return_variable): Also clear
8854 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8857 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8860 * gimplify.c (gimplify_one_sizepos): Fix typo.
8862 2006-02-08 Jeff Law <law@redhat.com>
8864 PR tree-optimization/21417
8865 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8866 across a backedge if the control statement at the end of the
8867 block is data dependent on other statements in the same block.
8868 (record_temporary_equivalences_from_stmts): Remove over-conservative
8869 test for threading across backedges.
8871 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8872 control statement, handle all three special cases in the same
8873 manner as they all have the same desired solution. No longer
8874 special case edge flag updating when the post dominator is
8877 2006-02-08 Roger Sayle <roger@eyesopen.com>
8879 * tree.def (CHAR_TYPE): Remove.
8880 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8881 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8882 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8883 (gen_string_type_die): Delete unreachable function.
8885 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8886 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8887 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8888 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8889 * builtins.c (type_to_class): Likewise.
8890 * fold-const.c (fold_convert, build_range_check,
8891 merge_ranges): Likewise.
8892 * expr.c (count_type_elements): Likewise.
8893 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8894 * stor-layout.c (layout_type): Likewise.
8895 * ipa-type-escape.c (type_to_consider): Likewise.
8896 * gimplify.c (omp_firstprivatize_type_sizes,
8897 gimplify_type_sizes): Likewise.
8898 * explow.c (promote_mode): Likewise.
8899 * tree-sra.c (is_sra_scalar_type): Likewise.
8900 * varasm.c (output_constant): Likewise.
8901 * tree-inline.c (remap_type_1): Likewise.
8902 * convert.c (convert_to_pointer, convert_to_real,
8903 convert_to_integer, convert_to_complex): Likewise.
8905 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8907 * df-scan.c (df_def_record_1): A set destination may
8908 be a parallel regardless of mode.
8910 2006-02-08 Roger Sayle <roger@eyesopen.com>
8913 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8914 * config/mips/_tilib.c: Remove.
8915 * config/fixtfdi.c: New libgcc source file.
8916 * config/fixunstfdi.c: New source file.
8917 * config/floatditf.c: New source file.
8918 * config/floatunditf.c: New souce file.
8919 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8920 files above instead of config/mips/_tilib.c.
8921 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8923 2006-02-08 Jeff Law <law@redhat.com>
8925 PR tree-optimization/26169
8926 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8929 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8931 * df.h (DF_REG_SIZE): Return the length of the initialized
8934 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8936 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8937 __muldf3): Return a correctly signed zero.
8939 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8941 * passes.c (register_one_dump_file): Accept the current properties
8942 instead of pass number. Adjust call to dump_register. Remove
8944 (register_dump_files): Now a wrapper around...
8945 (register_dump_files_1): ... this one. Do not modify the pass
8947 (next_pass_1): Cosmetic fix.
8948 (execute_todo): Keep second parameter only. Use curr_properties
8949 instead of fetching it from the pass structure. Check and set
8951 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8952 instead of fetching it from the pass structure. Fix calls to
8953 execute_todo. Update curr_properties and initialize .vcg RTL dump
8954 after running the pass. Reset last_verified.
8955 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8957 (FIRST_AUTO_NUMBERED_DUMP): New.
8958 (dump_register): Remove "num" parameter, assign it within the
8960 (get_dump_file_name): Modify template for dumps.
8961 * tree-dump.h (dump_register): Adjust prototype.
8962 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8963 (PROP_trees): Add PROP_gimple_lomp.
8964 (TODO_set_props): New.
8965 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8966 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8967 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8969 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8971 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8972 (sparc64-*-linux*): Likewise.
8973 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8974 * config/sparc/t-linux: New file.
8975 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8976 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8977 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8978 -m32 -mlong-double-128.
8980 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8981 * config/alpha/t-linux: New file.
8982 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8984 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8985 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8986 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8987 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8988 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8989 (CPP_ARCH32_SPEC): Remove.
8991 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8993 PR tree-optimization/26145
8994 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8997 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9000 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9001 >= 240000 when generating code for SOM runtime.
9002 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9003 to $$dyncall when generating code for SOM runtime..
9005 2006-02-07 Dirk Mueller <dmueller@suse.com>
9008 * doc/invoke.texi (-Wsequence-point): Update documentation
9009 that -Wsequence-point is implemented for C++ as well.
9011 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9013 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9014 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9015 (LIB_SPEC): Likewise.
9016 * doc/invoke.texi (SPARC options): Document -pthread.
9018 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9020 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9023 2006-02-07 Roger Sayle <roger@eyesopen.com>
9025 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9026 Correct comment describing BOOLEAN_TYPE.
9028 2006-02-07 Dirk Mueller <dmueller@suse.com>
9030 * c.opt: C++ frontend supports -Wdiv-by-zero.
9031 * c-opts.c (c_common_handle_option): Remove dead case.
9033 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9035 * configure.ac (TLS assembler check): Do not enable TLS by
9036 default on SPARC/Solaris before version 10.
9037 * configure: Regenerate.
9039 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9041 * doc/invoke.texi (xl-compat): Document conversion and support
9044 2006-02-07 Jeff Law <law@redhat.com>
9046 * tree-vrp.c (find_conditional_asserts): Update comments.
9047 (simplify_stmt_for_jump_threading): New.
9048 (identify_jump_threads, finalize_jump_threads): New.
9049 (vrp_finalize): Call identify_jump_threads.
9050 (execute_vrp): Call finalize_jump_threads.
9051 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9052 (vrp_element, vrp_data, vrp_element_p): Remove.
9053 (vrp_hash_elt, vrp_variables_stack): Remove.
9054 (vrp_hash, vrp_eq, record_range): Remove.
9055 (simplify_cond_and_lookup_avail_expr): Remove.
9056 (extract_range_from_cond): Remove.
9057 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9058 (simplify_stmt_for_jump_threading): New.
9059 (dom_thread_across_edge): New wrapper.
9060 (tree_ssa_dominator_optimize): No longer initialize or
9061 finalize any of the VRP datastructures. Remove iteration
9062 step and simplify as a result of removal of iteration step.
9063 (pass_dominator): Perform a cfg cleanup after DOM.
9064 (dom_opt_finalize_block): Use the new common routines
9065 for threading jumps. Simplify stack management slightly.
9066 No longer need to unwind VRP state.
9067 (record_equivalences_from_incoming_edge): No longer record
9069 (eliminate_redundant_computations): No longer call
9070 simplify_cond_and_lookup_avail_expr.
9071 * tree-flow.h (potentially_threadable_block): Prototype.
9072 (thread_across_edge): Likewise.
9073 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9074 (tree-ssa-threadedge.o): Add dependencies.
9075 * tree-ssa-threadedge.c: New file.
9076 * passes.c (init_optimization_passes): Merge PHIs before
9077 calling VRP. Run VRP again late in the SSA optimization pipeline.
9079 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9081 * df-core.c (df_set_blocks): Do not dereference function pointers.
9082 (df_finish1): Likewise.
9083 (df_hybrid_search_forward): Likewise.
9084 (df_hybrid_search_backward): Likewise.
9085 (df_iterative_dataflow): Likewise.
9086 (df_analyze_problem): Likewise.
9087 (df_compact_blocks): Likewise.
9088 (df_dump): Likewise.
9089 * df-scan.c (df_rescan_blocks): Likewise.
9090 (df_record_entry_block_defs): Likewise.
9092 * genconditions.c (write_conditions): Guard the definition of
9093 'insn_conditions' with the check on GCC version.
9094 (write_writer): Guard the traversal 'insn_conditions' with
9095 the check on GCC version.
9097 2006-02-07 Richard Guenther <rguenther@suse.de>
9101 2006-01-30 Richard Guenther <rguenther@suse.de>
9103 * gimplify.c (gimplify_target_expr): Handle easy cases
9104 without creating a temporary.
9106 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9108 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9109 use of float in probability computations. Use edge probabilities
9110 in place of statically computed probabilities.
9111 (min_spec_prob): New static variable.
9112 (schedule_insns): Initialize it.
9113 (GET_SRC_PROB): Removed.
9114 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9116 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9119 * config/ia64/unwind-ia64.c: Revert last change.
9120 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9121 (INCOMING_FRAME_SP_OFFSET): Define.
9123 2006-02-06 Roger Sayle <roger@eyesopen.com>
9125 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9127 2006-02-07 Ben Elliston <bje@au.ibm.com>
9129 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9130 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9131 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9132 (ix86_return_in_memory): Handle TDmode.
9133 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9134 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9136 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9138 * reorg.c (dbr_schedule): Use dump_file instead of file.
9140 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9143 * config/ia64/predicates.md (extr_len_operand): New predicate.
9144 * config/ia64/ia64.md (extv): Tighten constraints.
9146 (*tbit_and_2): Ditto.
9147 (*tbit_and_3): Ditto.
9148 (*tbit_or_2): Ditto.
9149 (*tbit_or_3): Ditto.
9153 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9156 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9158 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9160 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9161 loop_optimizer_init and loop_optimizer_finalize
9162 * tree-ssa-sink.c (execute_sink_code): Ditto.
9163 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9164 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9165 tree_ssa_loop_done): Ditto.
9166 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9167 * sched-ebb.c: Include output.h.
9168 (schedule_ebbs): Do not use dump argument.
9169 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9170 * loop.c (loop_dump_stream): Removed.
9171 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9173 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9174 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9175 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9176 loop_iterations, strength_reduce, record_biv, record_giv,
9177 final_giv_value, check_final_value, check_ext_dependent_givs,
9178 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9179 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9180 dump_file instead of loop_dump_stream.
9181 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9183 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9185 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9186 * haifa-sched.c: Include output.h
9187 (schedule_insns, sched_init): Do not use dump argument.
9188 * mode-switching.c (optimize_mode_switching): Ditto.
9189 * modulo-sched.c (stats_file): Removed.
9190 (print_node_sched_params): Do not call argument dump_file.
9191 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9192 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9194 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9196 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9197 rtl_loop_init, rtl_loop_done): Ditto.
9198 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9199 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9201 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9202 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9203 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9204 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9205 * emit-rtl.c (renumber_insns): Ditto.
9206 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9207 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9208 * regclass.c (regclass): Ditto.
9209 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9210 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9211 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9212 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9214 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9215 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9217 * gcse.c (gcse_file, debug_stderr): Removed.
9218 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9219 rest_of_handle_gcse): Do not use dump argument.
9220 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9221 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9222 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9223 compute_code_hoist_vbeinout, compute_code_hoist_data,
9224 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9225 compute_store_table, build_store_vectors, insert_insn_start_bb,
9226 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9227 store_motion): Use dump_file instead of gcse_file.
9228 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9229 * profile.c (profile_dump_file): Removed.
9230 (branch_prob): Use dump_file instead of profile_dump_file.
9231 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9233 * tree-ssa-copy.c (dump_copy_of): Ditto.
9234 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9235 dump file to life_analysis.
9236 * bt-load.c (branch_target_load_optimize): Ditto.
9237 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9239 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9240 regclass, dbr_schedule): Declaration changed.
9241 * sched-int.h (sched_init): Declaration changed.
9242 * tree-profile.c (tree_profile_dump_file): Removed.
9243 (tree_profile_hooks): Removed profile_dump_file hook.
9244 * rtl-profile (rtl_profile_dump_file): Removed.
9245 (rtl_profile_hooks): emoved profile_dump_file hook.
9246 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9248 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9249 * tree-cfg.c (build_tree_cfg): Ditto.
9250 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9251 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9252 Declaration changed.
9253 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9254 life_analysis and schedule_insns.
9255 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9257 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9259 * config/mips/mips.c (mips_reorg): Ditto.
9260 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9263 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9265 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9266 (s390_mangle_fundamental_type): New.
9267 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9270 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9271 (alpha_mangle_fundamental_type): New.
9272 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9275 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9277 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9279 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9280 (sparc_mangle_fundamental_type): New.
9282 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9284 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9285 (s390x-*-linux*): Likewise.
9286 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9287 * config/s390/t-linux: New file.
9289 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9291 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9292 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9294 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9296 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9297 (ANTIC_SAFE_LOADS): New macro.
9298 (find_or_generate_expression): Add prototype.
9299 (set_contains_value): Allow null set for sake of not always having
9300 to allocate ANTIC_SAFE_LOADS.
9301 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9302 Allow COMPONENT_REF too.
9303 (valid_in_set): Allow COMPONENT_REF.
9304 Check ANTIC_SAFE_LOADS too.
9305 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9306 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9308 (can_PRE_operation): Add COMPONENT_REF.
9309 (create_component_ref_by_pieces): New function.
9310 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9311 (insert_aux): Move AGGREGATE_TYPE_P check here.
9312 (compute_avail): Set bb local stmt uids.
9313 (pass_pre): Use TODO_update_ssa_only_virtuals.
9315 2006-02-06 Ben Elliston <bje@au.ibm.com>
9317 * configure.ac: Unconditionally disable decimal float by default.
9318 * configure: Regenerate.
9320 2006-02-06 Ben Elliston <bje@au.ibm.com>
9322 * read-rtl.c (read_name): Terminate reading on EOF.
9324 2006-02-06 Ben Elliston <bje@au.ibm.com>
9326 * dfp.c (decimal_real_arithmetic): Change second argument type
9327 from int to enum tree_code. Do not always return true, but now
9328 return result of any call to decimal_do helper functions.
9329 * dfp.h (decimal_real_arithmetic): Update prototype.
9331 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9333 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9335 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9338 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9341 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9343 * tree-vrp.c (cfg_loops): Removed.
9344 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9345 Use current_loops instead of cfg_loops. Pass flags to
9346 loop_optimizer_init.
9347 * cfgloopmanip.c (fix_loop_structure): Update only available
9349 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9350 loop_optimizer_init.
9351 * modulo-sched.c (build_loops_structure): Removed.
9352 (sms_schedule): Use loop_optimizer_init.
9353 * loop-init.c (loop_optimizer_init): Use flags to determine
9354 which properties of loops to prepare.
9355 (rtl_loop_init): Pass flags to loop_optimizer_init.
9356 * tree-ssa-sink.c (execute_sink_code): Ditto.
9357 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9358 * tree-ssa-pre.c (init_pre): Ditto.
9359 * cfgloop.h (LOOPS_NORMAL): New.
9360 (loop_optimizer_init): Declaration changed.
9362 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9364 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9365 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9367 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9369 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9371 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9372 * pa/t-pa64: Delete quadlib.c rule.
9373 * pa/x-ada: Revert last change.
9374 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9376 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9378 PR rtl-optimization/26087
9379 * rtlanal.c (canonicalize_condition): Do not cross basic block
9382 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9385 * config/ia64/ia64.c: Include debug.h.
9386 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9387 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9388 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9389 (process_epilogue, process_set, process_for_unwind_directive):
9390 Output unwind info only if requested. Add CFA info if requested.
9391 Add new arguments as needed. Adjust callers.
9392 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9394 (DWARF2_FRAME_INFO): Define to zero.
9395 * config/ia64/unwind-ia64.c: Remove code that compensated for
9396 the CFA offset error fixed above.
9397 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9398 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9399 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9400 -funwind-tables and -fexceptions to enable frame info.
9401 (dwarf2out_frame_init): Define initial CFA even if
9402 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9403 DWARF2_UNWIND_INFO is nonzero, not just defined.
9404 (dwarf2out_frame_finish): Output non-EH call frame info only
9405 if DWARF2_FRAME_INFO is nonzero.
9406 (convert_cfa_to_loc_list,
9407 compute_frame_pointer_to_cfa_displacement): Define even if
9408 unwind info is not supported.
9409 (gen_subprogram_die): Use the above unconditionally. Remove
9410 legacy alternate code.
9411 * toplev.c (compile_file): Compile in call to
9412 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9413 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9415 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9416 Jakub Jelinek <jakub@redhat.com>
9418 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9419 IBM extended float format long double as "g" on powerpc*-linux.
9421 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9424 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9425 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9427 2006-02-03 Jason Merrill <jason@redhat.com>
9430 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9433 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9434 on the return slot if it's an NRV.
9436 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9438 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9439 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9440 rewrite_use): Do not handle USE_OUTER.
9441 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9442 add_iv_outer_candidates, may_replace_final_value,
9443 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9444 (find_interesting_uses_op): Functionality of
9445 find_interesting_uses_outer_or_nonlin moved here.
9446 (find_interesting_uses_outside): Use find_interesting_uses_op.
9448 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9451 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9453 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9454 Ulrich Weigand <uweigand@de.ibm.com>
9457 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9458 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9459 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9460 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9462 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9463 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9464 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9465 Define secondary reloads for TFmode moves.
9466 (constant_modes): Add TFmode.
9467 (NR_C_MODES): Set to 8.
9468 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9470 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9471 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9472 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9473 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9474 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9475 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9476 (FPR mode macro): Add TFmode.
9477 (DSF mode macro): New.
9478 (<de>, <dee> mode attributes): Removed.
9479 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9480 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9481 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9482 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9483 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9484 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9485 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9486 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9487 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9488 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9489 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9490 "*negabs<mode>2", "sqrt<mode>2"):
9491 Changed <de> to <xde>. R constraint replaced by <Rf>.
9492 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9494 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9495 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9496 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9498 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9499 "extenddftf2", "extendsftf2"): New expanders.
9500 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9501 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9502 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9503 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9505 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9506 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9507 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9508 __floatditf): Add a GCC_4.1.0 symbol version tag.
9509 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9512 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9515 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9516 Use targetm.binds_local_p instead of TREE_PUBLIC.
9518 2006-02-02 Roger Sayle <roger@eyesopen.com>
9520 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9521 on INTEGER_TYPEs to indicate that it denotes a character type.
9522 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9523 signed_char_type_node, unsigned_char_type_node and char_type_node.
9524 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9525 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9526 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9528 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9529 Daniel Berlin <dberlin@dberlin.org>
9531 * tree-tailcall.c (arg_needs_copy_p): New function.
9532 (eliminate_tail_call): Use arg_needs_copy_p.
9533 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9534 (add_virtual_phis): New function.
9536 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9538 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9539 #ignore instead of #scratch for %g7 .register directive.
9541 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9543 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9546 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9548 * flow.c (calculate_global_regs_live): Assert that there aren't any
9551 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9553 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9555 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9556 bsi_after_labels iterator.
9557 * tree-if-conv.c (find_phi_replacement_condition,
9558 replace_phi_with_cond_modify_expr): Likewise.
9559 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9560 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9562 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9564 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9566 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9569 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9570 array after growing it.
9572 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9575 * fold-const.c (fold_checksum_tree): Change type of buf.
9577 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9579 * reload.c (push_secondary_reload): Initialize t_icode.
9581 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9583 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9584 -msoft-float -mlong-double-128 only issue a warning, but don't
9585 swich to DFmode long double.
9587 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9589 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9590 has a constant equivalent, iterate over equivalents for arg0,
9591 calling simplify_relational_operation and if there's a result
9592 cheaper than X, apply fold_rtx and return the result.
9594 2006-02-01 Jan Hubicka <jh@suse.cz>
9596 * opts.c (no_unit_at_a_time_default): New global variable.
9597 (decode_options): Use it.
9598 * opts.h (no_unit_at_a_time_default): Declare.
9600 2006-02-01 Paul Brook <paul@codesourcery.com>
9602 * function.c (assign_parm_setup_reg): Use function argument promotion
9604 * expr.c (expand_expr_real_1): Use function argument promotion rules
9607 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9609 * gcc.c (process_command): Change j to 'unsigned int'.
9611 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9614 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9615 Use the corrected index for the character
9616 out of the string constant.
9618 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9620 * mode-switching.c (optimize_mode_switching): Fix size
9621 allocated for bb_info[n_entities].
9623 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9625 * gcc.c (main): Correct type that is allocated for
9626 explicit_link_files.
9628 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9630 * config/s390/s390.c (init_alignment_context): Set
9631 ALIAS_SET_MEMORY_BARRIER on the MEM.
9632 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9634 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9637 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9639 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9642 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9644 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9645 * regrename.c: Ditto.
9646 * tree-ssa-loop-im.c: Ditto.
9647 * tree-dump.c: Ditto.
9648 * tree-complex.c: Ditto.
9649 * genrecog.c: Ditto.
9650 * tree-ssa-threadupdate.c: Ditto.
9652 * java/class.c: Ditto.
9653 * java/jcf-parse.c: Ditto.
9654 * java/resource.c: Ditto.
9655 * java/except.c: Ditto.
9656 * java/jvspec.c: Ditto.
9657 * java/jcf-write.c: Ditto.
9658 * java/jcf-path.c: Ditto.
9659 * java/gjavah.c: Ditto.
9660 * java/zextract.c: Ditto.
9661 * java/jcf-io.c: Ditto.
9662 * java/jcf.h: Ditto.
9663 * java/buffer.c: Ditto.
9664 * java/lang.c: Ditto.
9665 * java/parse-scan.y: Ditto.
9666 * java/lex.c: Ditto.
9667 * java/lex.h: Ditto.
9668 * cfgloopmanip.c: Ditto.
9669 * postreload-gcse.c: Ditto.
9670 * tree-ssa-loop-manip.c: Ditto.
9671 * postreload.c: Ditto.
9672 * tree-ssa-loop-ch.c: Ditto.
9676 * diagnostic.c: Ditto.
9678 * genoutput.c: Ditto.
9680 * cfghooks.c: Ditto.
9681 * cfgloopanal.c: Ditto.
9682 * objc/objc-act.c: Ditto.
9684 * genextract.c: Ditto.
9685 * genautomata.c: Ditto.
9686 * pretty-print.c: Ditto.
9688 * cgraphunit.c: Ditto.
9691 * haifa-sched.c: Ditto.
9692 * dominance.c: Ditto.
9694 * tree-ssa-loop-ivopts.c: Ditto.
9696 * mode-switching.c: Ditto.
9697 * modulo-sched.c: Ditto.
9699 * ipa-pure-const.c: Ditto.
9701 * fix-header.c: Ditto.
9703 * tree-stdarg.c: Ditto.
9704 * ipa-utils.c: Ditto.
9705 * loop-init.c: Ditto.
9706 * ipa-inline.c: Ditto.
9709 * alloc-pool.c: Ditto.
9710 * dwarf2out.c: Ditto.
9712 * genattrtab.c: Ditto.
9713 * tree-ssa-loop-ivcanon.c: Ditto.
9717 * fortran/gfortranspec.c: Ditto.
9719 * local-alloc.c: Ditto.
9720 * langhooks.c: Ditto.
9721 * function.c: Ditto.
9722 * tree-vectorizer.c: Ditto.
9724 * ipa-type-escape.c: Ditto.
9726 * tree-if-conv.c: Ditto.
9729 * tree-data-ref.c: Ditto.
9730 * loop-unroll.c: Ditto.
9731 * treelang/treetree.c: Ditto.
9734 * ggc-common.c: Ditto.
9736 * coverage.c: Ditto.
9738 * tree-cfgcleanup.c: Ditto.
9739 * tree-ssa-pre.c: Ditto.
9740 * cfgcleanup.c: Ditto.
9741 * loop-invariant.c: Ditto.
9743 * ipa-prop.c: Ditto.
9744 * print-tree.c: Ditto.
9745 * conflict.c: Ditto.
9746 * ggc-page.c: Ditto.
9747 * sched-deps.c: Ditto.
9748 * regclass.c: Ditto.
9749 * tree-object-size.c: Ditto.
9751 * bb-reorder.c: Ditto.
9752 * resource.c: Ditto.
9753 * var-tracking.c: Ditto.
9755 * df-problems.c: Ditto.
9756 * reg-stack.c: Ditto.
9759 * sched-rgn.c: Ditto.
9760 * tree-ssa-structalias.c: Ditto.
9761 * tree-ssa-reassoc.c: Ditto.
9762 * config/darwin-c.c: Ditto.
9763 * config/darwin.c: Ditto.
9764 * config/arm/arm.c: Ditto.
9766 * collect2.c: Ditto.
9769 2006-01-31 Nicolas Pitre <nico@cam.org>
9771 * arm.md (smaxsi3): Make aware of smax_m1.
9774 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9776 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9778 2006-01-31 Richard Guenther <rguenther@suse.de>
9780 * doc/invoke.texi (-msselibm): Document.
9781 * target.h (expand_library_builtin): New target hook.
9782 * builtins.c (expand_builtin): Use expand_library_builtin.
9783 (default_expand_library_builtin): New function.
9784 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9785 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9786 (link_gcc_math_spec): Declare.
9787 (static_specs): Add link_gcc_math_spec.
9788 * expr.h (default_expand_library_builtin): Declare.
9789 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9790 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9791 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9792 * config/i386/i386.opt (msselibm): New target option.
9793 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9794 (ix86_init_sse_abi_builtins): New function.
9795 (ix86_expand_library_builtin): Likewise.
9796 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9797 (override_options): Handle error conditions wrt -msselibm.
9798 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9799 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9800 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9803 2006-01-31 Richard Guenther <rguenther@suse.de>
9804 Paolo Bonzini <bonzini@gnu.org>
9806 * doc/install.texi (--disable-libgcc-math): Document.
9808 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9810 * expr.h (expand_normal): new inline function.
9811 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9813 * dwarf2out.c: use it.
9818 * config/sparc/sparc.c: use it.
9819 * config/i386/i386.c: use it.
9820 * config/rs6000/rs6000.c: use it.
9821 * config/arm/arm.c: use it.
9822 * config/mips/mips.c: use it.
9823 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9825 2006-01-30 Roger Sayle <roger@eyesopen.com>
9827 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9828 argv to the appropriate type.
9830 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9832 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9835 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9838 * config/s390/s390.c (struct machine_function): New flag
9839 decomposed_literal_pool_addresses_ok_p.
9840 (s390_reorg): Set it before final stage of literal pool transforms.
9841 (s390_decompose_address): Only accept displacements of the form
9842 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9844 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9846 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9847 the comparison routine return.
9849 2006-01-30 Michael Matz <matz@suse.de>
9851 * global.c (find_reg): Only evict for global regs.
9852 Take n_refs into account and dump more info.
9854 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9857 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9858 (pragma_trap, pragma_nosave_low_regs): Likewise.
9859 (current_function_anonymous_args): Likewise.
9860 (sh_deferred_function_attributes): New variable.
9861 (sh_deferred_function_attributes_tail): Likewise.
9862 (print_operand): For '@', look up trap_exit attribute.
9863 (calc_live_regs): Look up trapa_handler attribute. For trapa
9864 handlers, save/restore fpscr, but don't do any other
9865 interrupt-specific saves.
9866 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9867 Fix check for partially saved registers to check for SHmedia.
9868 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9869 (sh_output_function_epilogue): Don't clear any of the removed
9871 (sh_insert_attributes): Don't check pragma_interrupt.
9872 Insert deferred attributes. Check that interrupt attribute is
9873 present for other attributes that require its presence.
9874 (sh_attribute_table): Add new attributes trapa_handler and
9876 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9877 Don't check for pragma_interrupt. Don't store argument.
9878 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9879 (sh_deferred_function_attributes): Declare.
9880 (sh_deferred_function_attributes_tail): Likewise.
9881 * sh.md (sp_switch_1): Add operand. Change generator caller.
9882 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9883 (*return_i): Don't use when trap_exit attribute is in effect.
9884 (*return_trapa): New insn pattern.
9886 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9887 setting c_target_objs and cxx_target_objs.
9888 * t-sh: Add rule for sh-c.o.
9890 2006-01-30 Richard Guenther <rguenther@suse.de>
9893 * gimplify.c (gimplify_target_expr): Handle easy cases
9894 without creating a temporary.
9896 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9898 * vec.h (safe_grow): Remove duplicated line.
9900 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9903 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9904 (expand_omp): ... here.
9905 (expand_omp_parallel): Only remove barriers for combined
9906 parallel+workshare constructs.
9908 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9912 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9913 * tree.c (build_qualified_type): Chain the new type to the original
9914 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9915 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9916 (build_pointer_type_for_mode): Only return unqualified types.
9917 (build_reference_type_for_mode): Likewise.
9919 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9921 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9922 * Makefile.in (CXX_COMPAT_WARN): Define.
9923 * configure: Regenerate.
9925 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9928 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9931 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9933 * toplev.c: Fix thinko.
9935 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9936 Marcin Dalecki <martin@dalecki.de>
9938 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9939 (push_srcloc): Use XNEW.
9940 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9942 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9944 * df-core.c (df_set_blocks): Deleted all variable.
9946 2006-01-28 Ian Lance Taylor <ian@airs.com>
9948 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9949 cgraph_output_pending_asms.
9951 2006-01-28 Zack Weinberg <zackw@panix.com>
9953 * c.opt: Add -W(no-)overlength-strings.
9954 * doc/invoke.texi: Document it.
9955 * c-opts.c (c_common_handle_option): -pedantic implies
9956 -Woverlength-strings, if not explicitly disabled already.
9957 (c_common_post_options): -Woverlength-strings defaults to off, and
9958 is always off for C++.
9959 * c-common.c (fix_string_type): Issue warning about strings longer
9960 than is portable only if warn_overlength_strings. Rearrange code
9961 a little for clarity.
9962 * configure.in: Check for -Wno-overlength-strings as well before
9963 enabling -pedantic in stage 1.
9964 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9965 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9967 * genconditions.c (write_header, write_one_condition)
9968 (write_conditions, write_writer): Consolidate very long strings
9969 that were broken up to fit in C89 portable limit. Don't use
9970 printf when fputs will do.
9972 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9974 * combine.c (simplify_comparison <AND>): Check
9975 TRULY_NOOP_TRUNCATION before start using a subreg.
9977 * config/mips/mips.md (*branch_zero<mode>,
9978 *branch_zero<mode>_inverted, *branch_equality<mode>,
9979 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9980 Remove mode check from comparisons.
9982 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9984 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9986 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9988 * expmed.c (const_mult_add_overflow_p): Remove.
9989 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9991 * recog.c (validate_replace_rtx_subexp): Remove.
9992 * recog.h: Remove the prototype for
9993 validate_replace_rtx_subexp.
9995 * integrate.h: Remove the prototype for
9996 copy_decl_for_inlining.
9997 * rtl.h: Remove the prototype for mark_constant_function.
9998 * tree-vectorizer.h: Remove the prototype for
9999 vect_strip_conversion.
10001 * modulo-sched.c (create_partial_schedule,
10002 free_partial_schedule, reset_partial_schedule): Make them
10005 * hooks.c (hook_bool_rtx_int_false): Remove.
10006 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10008 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10010 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10011 and -mlong-double-128 are incompatible.
10012 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10013 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10014 (TARGET_LIBGCC2_CFLAGS): Define.
10015 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10016 (TARGET_LIBGCC2_CFLAGS): Same.
10017 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10019 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10022 * c-typeck.c (build_binary_op): Perform implicit casts of
10023 operands before shortening them.
10025 * cfgloopmanip.c (split_loop_bb): Remove.
10026 * cfgloop.h: Remove the prototype for split_loop_bb.
10028 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10029 * cfgloop.h: Remove the prototype for
10030 flow_loop_outside_edge_p.
10032 * emit-rtl.c (init_virtual_regs): Make it static.
10033 * function.h: Remove the prototype for init_virtual_regs.
10035 * recog.c (peephole2_optimize): Make it static.
10036 * recog.h: Remove the prototype for peephole2_optimize.
10038 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10040 * df-scan.c (df_record_entry_block_defs): Check if
10041 INCOMING_RETURN_ADDR_RTX is defined.
10043 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10044 Kenneth Zadeck <zadeck@naturalbridge.com>
10046 PR rtl-optimization/24762
10047 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10048 * targhooks.c (hook_void_bitmap): New hook prototype.
10049 * targhoohs.h (hook_void_bitmap): Ditto.
10050 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10051 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10052 * target.h (live_on_entry): New function pointer.
10053 * df-scan.c (df_all_hard_regs): Removed.
10054 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10055 (df_scan_free_internal): Added df->entry_block_defs.
10056 (df_scan_alloc): Ditto.
10057 (df_scan_dump): Ditto.
10058 (df_uses_record): Plumbed flag field properly thru calls.
10059 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10060 This part fixes PR24762.
10061 (df_bb_refs_record): Added code to make the frame and arg
10062 pointers live in EH blocks.
10063 (df_refs_record): Added call to df_record_entry_block_defs.
10064 (df_record_entry_block_defs): New function.
10065 * df-core.c: Added comments to describe new artifical defs.
10066 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10067 (entry_block_defs): New field in struct df.
10068 (df_all_hard_regs): Deleted.
10069 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10070 * df-problems.c (df_ru_bb_local_compute_process_def):
10071 Added code to handle artifical defs in the entry to a function.
10072 (df_ru_bb_local_compute): Ditto.
10073 (df_rd_bb_local_compute_process_def): Ditto.
10074 (df_rd_bb_local_compute): Ditto.
10075 (df_lr_bb_local_compute): Ditto.
10076 (df_ur_bb_local_compute): Ditto.
10077 (df_urec_bb_local_compute): Ditto.
10078 (df_chain_create_bb): Ditto.
10079 (df_ur_local_finalize): Removed entry.
10080 (df_urec_init): Ditto.
10081 (df_urec_local_finalize): Ditto.
10082 (df_ri_bb_compute): Added detection of last use of pseudos.
10083 * Makefile.in (df-scan.o): Updated dependencies.
10084 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10085 * config/mips/mips.c (mips_set_live_on_entry): Added.
10086 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10088 * dce.c (marked_insn_p): Added code to handle artifical defs.
10090 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10092 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10094 (_mm_cvtsi128_si64): Likewise.
10095 (_mm_cvtsd_si64): Likewise.
10096 (_mm_cvttsd_si64): Likewise.
10097 (_mm_cvtsi64_sd): Likewise.
10098 (_mm_cvtsi64_si128): Likewise.
10099 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10100 (_mm_cvtsi64_m64): Likewise.
10101 (_m_to_int64): Likewise.
10102 (_mm_cvtm64_si64): Likewise.
10103 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10104 (_mm_cvttss_si64): Likewise.
10105 (_mm_cvtsi64_ss): Likewise.
10106 (_mm_cvtss_f32): Likewise.
10108 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10110 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10111 for pragma redefine_extname.
10113 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10116 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10117 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10118 -mno-minimal-toc to previous content.
10119 (bispecs): Remove goal.
10120 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10121 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10122 compatibility aliases on powerpc-*-*gnu*.
10123 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10124 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10125 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10126 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10127 (ldblspecs): New goal.
10128 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10129 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10131 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10132 L_sf_to_tf or L_df_to_tf is defined.
10134 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10135 Alan Modra <amodra@bigpond.net.au>
10138 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10139 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10140 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10141 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10142 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10143 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10144 (rs6000_override_options): Initialize rs6000_ieeequad.
10145 Initialize TFmode format to ibm_extended_format if not
10147 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10149 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10150 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10151 (function_arg_advance): IBM long double passed in two FPRs, not
10153 (function_arg): IBM long double passed in FPRs.
10154 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10155 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10156 Only multireg GPR aligned.
10157 (rs6000_init_libfuncs): Enable IBM long double functions if not
10159 (rs6000_generate_compare): Use IBM long double compare if not
10161 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10162 (TARGET_IEEEQUAD): Define.
10163 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10164 not TARGET_IEEEQUAD.
10165 * config/rs6000/rs6000.md: Enable TFmode patterns if
10167 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10168 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10169 and -mlong-double-128 are incompatible.
10170 * doc/invoke.texi (-mabi): Collect options together. Add
10171 ibmlongdouble and ieeelongdouble.
10173 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10175 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10177 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10178 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10179 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10180 * rtl.h (rtunion_def): Remove rt_ptr.
10182 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10183 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10184 * config/i386/winnt.c (i386_pe_mark_dllexport)
10185 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10187 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10189 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10191 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10195 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10196 pthread_key_delete. From John David Anglin. gthrw-ify
10197 pthread_getunique_np only if it it's not a macro. Delete
10199 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10200 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10201 __gthread_objc_condition_signal, __gthread_key_delete): Add
10202 "__attribute__ ((__unused__))" to unused arguments.
10203 (__gthread_recursive_mutex_init_function): Add missing return.
10204 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10205 gthr-posix95.h: Use macro-based approach for name redirection
10206 on targets missing weakref.
10208 2006-01-26 Zack Weinberg <zackw@panix.com>
10210 * genconditions.c (write_header): In generated code, #ifdef out
10211 all includes and fake declarations, except includes of bconfig.h
10212 and system.h, unless GCC_VERSION >= 3001. Do not include
10213 gensupport.h in any case.
10214 (write_conditions): Generate a definition of struct c_test. Add
10215 a comment to the generated #endif.
10216 (write_one_condition): Escape backslashes in string too.
10217 (write_writer): Generated code must escape backslashes and quote
10218 marks (but not newlines) in the strings it writes.
10219 * Makefile.in (build/gencondmd.o): Update dependencies.
10221 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10224 * Makefile.in (insn-automata.o): Add header file dependencies.
10225 * genautomata.c: Add includes.
10227 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10230 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10232 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10234 * configure.ac: Expect target tools paths to be passed from the toplevel
10235 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10237 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10239 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10242 * c.opt (Wpointer-sign): Init to -1.
10243 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10244 OPT_pedantic, to 0 otherwise.
10245 * doc/invoke.texi: Update.
10247 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10249 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10250 constants provided by 80387 instructions in the destination mode.
10252 2006-01-26 Richard Guenther <rguenther@suse.de>
10253 Andrew Pinski <pinskia@physics.uc.edu>
10256 partial PR tree-opt/17064
10257 * tree-ssa-structalias.c (intra_create_variable_infos):
10258 Create heap variables for incoming parameters if
10259 flag_argument_noalias > 1.
10260 (find_what_p_points_to): Look through default defs of
10263 2006-01-26 Jeff Law <law@redhat.com>
10266 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10267 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10268 within the VR_RANGE, use the VR_RANGE as the result, not the
10270 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10271 bounds for the type.
10273 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10275 * tree-ssa-alias.c (maybe_create_global_var): Change
10276 subvar walking to an assertion that we don't have subvar'd variables.
10278 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10281 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10282 Use a new variable, inner. PARM_DECLs are always non-weak.
10284 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10286 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10287 --disable-checking.
10289 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10291 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10293 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10295 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10296 (smax_insn, smin_insn, smax_0, smin_0): New.
10298 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10301 * config/cris/cris.c (cris_order_for_addsi3): New function.
10302 * config/cris/cris-protos.h: Prototype it.
10303 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10304 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10305 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10306 (split for "op.S1 [rx=rx+i],ry (swapped)")
10307 (split for "op(s|u).S1 [rx=rx+i],ry")
10308 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10309 Apply cris_order_for_addsi3 when generating addsi3 insns.
10311 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10313 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10314 (TREE_BLOCK): Add call to EXPR_CHECK.
10316 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10319 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10320 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10321 (dump_omp_clauses): ... here.
10322 (dump_generic_node): Handle OMP_CLAUSE.
10323 * tree.c (omp_clause_num_ops): New.
10324 (omp_clause_code_name): New.
10325 (tree_code_size): Handle OMP_CLAUSE.
10326 (tree_size): Likewise.
10327 (make_node): Document handling of OMP_CLAUSE.
10328 (tree_node_structure): Handle OMP_CLAUSE.
10329 (omp_clause_check_failed): New.
10330 (omp_clause_range_check_failed): New.
10331 (omp_clause_operand_check_failed): New.
10332 (build_omp_clause): New.
10333 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10334 * tree.h (enum omp_clause_code): Declare.
10335 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10336 (OMP_CLAUSE_RANGE_CHECK): Define.
10337 (OMP_CLAUSE_ELT_CHECK): Define.
10338 (omp_clause_check_failed): Declare.
10339 (omp_clause_operand_check_failed): Declare.
10340 (omp_clause_range_check_failed): Declare.
10341 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10342 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10343 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10344 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10345 (OMP_CLAUSE_IF_EXPR): Likewise.
10346 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10347 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10348 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10349 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10350 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10351 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10352 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10353 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10354 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10355 (OMP_CLAUSE_CODE): Define.
10356 (OMP_CLAUSE_SET_CODE): Define.
10357 (OMP_CLAUSE_CODE): Define.
10358 (OMP_CLAUSE_OPERAND): Define.
10359 (struct tree_omp_clause): Declare.
10360 (union tree_node): Add field 'omp_clause'.
10361 * treestruct.def (TS_OMP_CLAUSE): Define.
10362 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10363 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10364 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10365 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10366 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10367 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10368 (OMP_CLAUSE): Define.
10369 * print-tree.c (print_node): Handle OMP_CLAUSE.
10370 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10371 * c-typeck.c: Likewise.
10372 * gimplify.c: Likewise.
10373 * c-omp.c: Likewise.
10374 * tree-nested.c: Likewise.
10375 * tree-inline.c: Likewise.
10376 * c-parser.c: Likewise.
10377 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10380 2006-01-25 Roger Sayle <roger@eyesopen.com>
10382 PR rtl-optimization/25703
10383 * combine.c (try_combine): Handle zero_extract and strict_low_part
10384 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10386 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10388 * global.c: Fix comment typos.
10390 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10393 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10394 Use output_addr_const instead of assemble_name.
10396 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10398 * Makefile.in (sched-vis.o): Update dependencies.
10399 * haifa-sched.c (sched_finish): Clear current_sched_info.
10400 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10401 (dump_flow_info): Call it.
10402 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10404 * basic-block.h (dump_bb_info): Declare.
10405 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10406 option, and apply options only for dump files whose TDF_RTL,
10407 TDF_TREE, or TDF_IPA bits match.
10408 * rtl.h: Declare new functions exported from sched-vis.c.
10409 * sched-vis.c: Enable also if scheduling is not used.
10410 (print_value): Print the mode of registers if not inside scheduling.
10411 (print_insn): Make it work outside the scheduler. Beautify the output
10413 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10415 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10417 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10418 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10419 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10420 depending on the value of CONSTANT_POOL_ADDRESS_P.
10421 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10423 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10424 rather than SYMBOL_REF_DECL.
10425 (rtx_constant_pool): Remove const_rtx_sym_htab.
10426 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10427 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10428 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10429 Remove handling of const_rtx_sym_htab.
10430 (find_pool_constant): Delete.
10431 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10432 rather than find_pool_constant.
10433 (get_pool_constant_for_function): Delete.
10434 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10435 find_pool_constant.
10436 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10437 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10438 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10439 (SYMBOL_REF_CONSTANT): New macro.
10440 (get_pool_constant_for_function): Delete.
10441 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10442 rather than SYMBOL_REF_DECL.
10443 (i386_pe_mark_dllimport): Likewise.
10444 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10445 rather than SYMBOL_REF_DECL.
10446 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10447 (machopic_indirect_call_target): Likewise.
10449 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10451 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10453 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10455 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10457 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10459 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10461 2006-01-24 David Daney <ddaney@avtrex.com>
10464 * configure.ac (enable_tls): New enable option.
10465 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10466 * configure: Regenerate.
10467 * doc/install.texi (--enable-tls): Document new option.
10468 (--disable-tls): Ditto.
10470 2006-01-24 Richard Henderson <rth@redehat.com>
10472 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10473 * alias.c (true_dependence): Respect it.
10474 (canon_true_dependence, write_dependence_p): Likewise.
10475 * builtins.c (get_builtin_sync_mem): Set it.
10477 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10479 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10482 2006-01-24 DJ Delorie <dj@redhat.com>
10484 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10485 for storing constants in single-bit bitfields.
10487 2006-01-25 Ben Elliston <bje@au.ibm.com>
10489 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10491 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10494 * tree-ssa-pre.c (phi_translate): Return NULL
10495 for AGGREGATE_TYPE's.
10497 2006-01-24 Zack Weinberg <zackw@panix.com>
10499 * genautomata.c (process_state_for_insn_equiv_partition):
10500 Use xcalloc for insn_arcs_array.
10501 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10502 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10504 2006-01-24 Richard Henderson <rth@redhat.com>
10506 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10507 update all callers.
10509 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10511 PR rtl-optimization/25890
10512 PR rtl-optimization/25905
10513 * combine.c (expand_compound_operation, expand_field_assignment):
10514 Fail if the bitfield's final position is out of bounds.
10516 2006-01-24 Ian Lance Taylor <ian@airs.com>
10518 PR middle-end/25930
10519 * cgraphunit.c (cgraph_output_in_order): Don't clear
10520 cgraph_asm_nodes until after asm strings have been output.
10522 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10524 * fix-header.c (read_scan_file): Add new parameter imultilib when
10525 calling register_include_chains.
10527 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10529 * omp-low.c: Update documentation.
10531 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10532 Daniel Berlin <dberlin@dberlin.org>
10536 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10537 return from the function.
10539 2006-01-22 Zack Weinberg <zackw@panix.com>
10541 * rtl.def (match_code): Add second argument.
10542 * genpreds.c (write_extract_subexp): New function.
10543 (write_match_code): Add path argument. Use write_extract_subexp.
10544 (write_predicate_expr): Pass path to write_match_code.
10545 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10546 not perform a mode test.
10547 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10548 a subexpression does not constrain the top-level code set.
10549 * read-rtl.c (read_rtx_variadic): New function.
10550 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10551 * doc/md.texi: Document new notation.
10552 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10553 (cmpsi_operand): ... here, using new notation.
10555 2006-01-22 Zack Weinberg <zackw@panix.com>
10557 * varray.c: Remove GENERATOR_FILE #ifdefs.
10559 2006-01-22 Zack Weinberg <zackw@panix.com>
10561 * genautomata.c (output_reserved_units_table): Emit nothing if
10562 description->query_units_num is zero. Remove extra blank line.
10563 (output_cpu_unit_reservation_p): Short circuit
10564 if description->query_units_num is zero.
10566 2006-01-22 Zack Weinberg <zackw@panix.com>
10568 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10569 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10570 nor any of the random handful of variables that used to be necessary
10571 when this program was linked with rtlanal.o. Prune set of forward
10572 function declarations.
10573 (struct attr_desc): Remove static_p field.
10574 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10575 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10576 (attr_string): Do not read the character one past the length of
10578 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10579 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10580 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10581 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10582 (make_automaton_attrs): New.
10583 (main): Do not call into genautomata. Call local gen_bypass
10584 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10585 Remove special case for insn_alts.
10586 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10587 varray.h (leftover from previous change). Prune set of forward
10588 function declarations. Remove state_alts fields from all
10589 structures. Remove state_alts_table from struct automaton.
10590 Make everything except main static. Do not maintain num_dfa_decls.
10591 Do not maintain state_alts fields of various structures.
10592 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10593 (add_arc): Remove state_alts argument. All callers updated.
10594 (output_reserved_units_table): Emit #ifdef here...
10595 (output_tables): ...not here. Don't generate state_alts tables.
10596 (expand_automata): Don't generate attributes.
10597 (write_automata): Don't generate state_alts functions.
10598 (main): New function.
10599 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10600 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10601 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10602 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10603 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10604 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10605 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10606 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10608 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10609 * genattrtab.h: Delete file.
10610 * Makefile.in (OBJS-common): Add insn-automata.o.
10611 (insn-automata.o): New rule.
10612 (simple_generated_c): Add insn-automata.c.
10613 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10614 (genprogmd): Add automata.
10615 (build/genattrtab): Needs no extra objects nor libraries.
10616 (build/genautomata): Needs build/vec.o and -lm.
10618 2006-01-22 Zack Weinberg <zackw@panix.com>
10620 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10621 (output_dfa_max_issue_rate, locked_states_num): Delete.
10622 (struct automaton): Add locked_states field.
10623 (output_dead_lock_vect): Save number of locked states in
10624 automaton->locked_states. If it is zero, don't print anything.
10625 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10626 (output_internal_dead_lock_func): Only test the dead_lock_vect
10627 for automata that have locked states.
10628 (output_statistics): Always print the number of locked states for
10629 each automaton. Calculate total number of locked states here.
10630 (write_automata): Don't call output_dfa_max_issue_rate.
10631 * genattrtab.c: Define length_unit_log as a const variable.
10632 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10633 max_insn_queue_index const.
10634 * final.c (length_unit_log): Declare const.
10635 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10637 2006-01-22 Zack Weinberg <zackw@panix.com>
10639 * genautomata.c: Include vec.h, not varray.h.
10640 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10641 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10642 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10643 VEC_* macros operating on appropriately typed vectors, or to
10644 malloced arrays when the size is known in advance. Const-ify
10645 many char* variables and function arguments. No functional changes.
10646 * Makefile.in (build/varray.o): Delete rule.
10647 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10648 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10650 2006-01-22 Zack Weinberg <zackw@panix.com>
10652 * gensupport.c: Define get_insn_name and record_insn_name here.
10653 (read_md_rtx): Call record_insn_name as appropriate.
10654 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10655 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10656 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10658 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10659 (BUILD_VARRAY): Delete.
10660 (genprognormal): Rename genprogmd. Fold in all programs from
10661 genprognoprint; also attrtab.
10662 (build/genattrtab): Just mention genautomata.o and varray.o.
10663 Reorganize a bit, add comments to make the categories clearer.
10665 2006-01-22 Zack Weinberg <zackw@panix.com>
10667 * genconditions.c (condition_table, add_condition): Delete.
10668 (write_conditions): Don't emit n_insn_conditions nor
10669 insn_elision_unavailable. Issue the gcc version #ifdef here,
10670 inside the table, with no #else clause ...
10671 (write_header): ...not here.
10672 (write_writer): New function.
10673 (main): Don't initialize condition_table. Use add_c_test.
10675 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10676 files on the command line.
10677 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10678 Return -1 if there is no entry in the table, don't abort.
10679 (add_c_test, traverse_c_tests): New functions.
10680 * gensupport.h (insn_elision_unavailable, insn_conditions)
10681 (n_insn_conditions): Delete declarations.
10682 (add_c_test, traverse_c_tests): Declare.
10683 * read-rtl.c: Include gensupport.h.
10684 (read_conditions): New function.
10685 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10686 (read_rtx_1): If we get EOF when we were looking for an initial
10687 open paren, return 0. Call read_conditions when appropriate.
10688 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10689 dummy-conditions.o. Eliminate references to insn-conditions.o,
10690 or change them to build/gencondmd.o, as appropriate. Remove
10691 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10692 from $(simple_generated_c). For all files remaining in those
10693 two lists, add insn-conditions.md to the generator command line.
10694 Give insn-constants.h/s-constants their own rules. Add rules
10695 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10696 (build/read-rtl.o): Depend on gensupport.h.
10697 (genprognormal): Include preds.
10698 (genprogearly): Rename genprognoprint; only difference is now that
10699 they don't link with $(BUILD_PRINT).
10700 * dummy-conditions.c: Delete.
10702 2006-01-22 Zack Weinberg <zackw@panix.com>
10704 * genextract.c: Don't include insn-config.h. Do include vec.h.
10705 Declare vectors of int, char, and locstr.
10706 (locstr): New typedef.
10707 (struct extraction): Make all array fields into bare pointers.
10708 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10709 (insn_code_number): Delete.
10710 (accum_extract): New struct.
10711 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10712 (gen_insn): Take insn_code_number as an argument. Use an
10713 accum_extract structure instead of loading data directly into
10714 a struct extraction, and having to know how big it might get.
10715 (walk_rtx): Operate entirely on an accum_extract structure.
10716 (print_path): Avoid unnecessary use of printf.
10717 (print_header): New function, split out of main. Distinguish
10718 more carefully between an unrecognizable insn and an insn that
10719 has the code number of a define_expand.
10720 (main): Pass insn_code_number to gen_insn. Call print_header
10721 only after parsing. Avoid unnecessary use of printf.
10722 * Makefile.in (build/vec.o): New rule.
10723 (build/genextract): Depend on build/vec.o.
10724 (build/genextract.o): Don't depend on insn-config.h.
10726 2006-01-22 Zack Weinberg <zackw@panix.com>
10728 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10729 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10730 practical. Eliminate per-generator-program link rules.
10732 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10734 PR middle-end/24437
10735 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10736 with a call expr to ...
10737 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10739 2006-01-23 Richard Guenther <rguenther@suse.de>
10741 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10742 before make_edge with conditional EDGE_TRUE_VALUE.
10744 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10745 Jan Hubicka <jh@suse.cz>
10746 Richard Guenther <rguenther@suse.de>
10748 PR rtl-optimization/25654
10749 * cfgexpand.c (aggregate_contains_union_type): New function.
10750 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10751 for structure variables that contain a union type.
10753 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10755 * gengtype.c (new_structure): Return the structure.
10756 (create_option): Add an extra "next" argument.
10757 (create_field): New function.
10758 (adjust_field_rtx_def): Use create_option and create_field.
10759 Remove a now-unnecessary call to find_structure.
10760 (adjust_field_tree_def): Likewise.
10761 (note_yacc_type): Remove an unnecessary call to find_structure.
10762 * gengtype.h (new_structure): Return the structure.
10763 (create_option): Add an extra argument.
10764 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10765 (option): Adjust calls to create_option.
10767 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10769 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10771 2006-01-22 Paul Brook <paul@codesourcery.com>
10772 Peter Barada <peter@the-baradas.com>
10774 * config/m68k/m68k.md: Add Coldfire FPU support.
10775 Define FP mode macro and associated attributes.
10776 Use it for float mode patterns.
10777 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10778 (LIBCALL_VALUE): Use m68k_libcall_value.
10779 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10780 (m68k_function_value): Ditto.
10781 (emit_move_sequence): Ditto.
10782 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10783 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10784 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10785 (MULTILIB_EXCEPTIONS): Ditto.
10786 * config/m68k/m68k.opt: Add mcfv4e.
10787 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10788 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10789 (m68k_output_function_prologue): Save ColdFire FPU registers.
10790 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10791 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10792 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10793 ColdFire FPU registers.
10794 (m68k_libcall_value, m68k_function_value): New functions.
10795 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10796 (LIBCALL_VALUE): Use m68k_libcall_value.
10797 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10798 (MASK_COLDFIRE): Add MASK_CFV4E.
10799 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10800 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10801 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10802 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10803 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10804 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10805 * doc/invoke.tex: Document -mcfv4e on m68k.
10807 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10809 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10812 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10815 * c-opts.c (c_common_handle_option): Don't include
10816 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10817 * doc/invoke.texi (C++ Dialect Options): Document that
10818 -Wnon-virtual-dtor is no longer included in -Wall.
10820 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10822 * gcov.c (print_version), gcov-dump.c (print_version),
10823 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10826 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10828 * df-scan.c (problem_SCAN): Added NULL reset function.
10829 (df_scan_reset_blocks): Added code to call reset block function
10830 (df_bb_refs_delete) Fixed comment.
10831 (df_insn_refs_delete): Made tolerant of deleting non existent info
10832 for dataflow problems that need to be reset.
10833 * df-core.c (df_set_blocks): Ditto.
10834 * df.h (struct df_problem): Added reset_fun.
10835 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10836 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10837 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10838 functions to clear out all references to def-use or use-def chains.
10840 2006-01-21 Ben Elliston <bje@au.ibm.com>
10842 * varasm.c (assemble_real): Initialise data array.
10844 2006-01-20 Paul Brook <paul@codesourcery.com>
10846 Merge from csl-arm-branch.
10847 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10848 * config/arm/arm.md (movdi): Force operands[1] to a register
10849 if we have a non-register source.
10850 (*arm_movdi, *movdf_soft_insn): Require that one of the
10851 operands be a register.
10852 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10853 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10855 2006-01-20 DJ Delorie <dj@redhat.com>
10857 * varasm.c (initializer_constant_valid_p): Allow pointers
10858 initialized from integer constants of lesser precision.
10859 (output_constant): Allow non-int-sized pointer modes to be
10860 initialized from integer constants.
10862 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10865 * cppdefault.h (struct default_include): Add multilib flag.
10866 * cppdefault.c (cpp_include_defaults): Set it.
10867 * c.opt (-imultilib): New option.
10868 * c-opts.c (imultilib): New.
10869 (c_common_handle_option): Handle -imultilib.
10870 (c_common_post_options): Likewise.
10871 * c-incpath.c (add_standard_paths, register_include_chains):
10873 * c-incpath.h (register_include_chains): Add extra parameter.
10874 * gcc.c (do_spec_1): Generate -imultilib option.
10875 (The Specs Language): Update %I description.
10876 (process_command): Update copyright notice.
10877 * doc/cppopts.texi (-imultilib): Document.
10878 * doc/invoke.texi (-imultilib): Include in option summary.
10879 (%I): Update specs documentation.
10881 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10883 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10885 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10887 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10890 2006-01-20 Richard Guenther <rguenther@suse.de>
10891 Steven Bosscher <stevenb.gcc@gmail.com>
10893 PR rtl-optimization/24626
10894 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10895 EDGE_TRUE_VALUE if in RTL mode.
10898 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10899 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10901 2006-01-20 Dirk Mueller <dmueller@suse.com>
10904 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10905 instead of a special NOP marker.
10906 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10907 NOP marker handling.
10908 * c-common.h (empty_body_warning): Add forward declaration.
10909 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10910 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10912 2006-01-20 Paul Brook <paul@codesourcery.com>
10914 * Makefile.in (lang_checks): Keep going if mkdir fails.
10916 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10918 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10919 be able to clean out basic block when not necessary.
10920 (df_scan_free): Fixed to properly delete information if df is
10921 unused before calling df_finish.
10922 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10923 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10925 (df_bb_refs_delete): New function.
10926 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10927 * df-core.c (df_set_blocks): Added code to properly clean out
10928 unused blocks if they are not part of the blocks to consider.
10929 Added additional null check.
10930 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10931 be able to clean out basic block when not necessary
10932 * df.h (df_free_bb_function): Ditto.
10933 (df_bb_refs_delete): New function.
10934 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10935 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10936 basic block parameter to be able to clean out basic block when not
10938 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10939 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10940 Fixed to properly delete information if df is unused before
10943 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10945 PR rtl-optimization/25799
10946 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10947 Corrected confluence operator to remove bits from op2 before oring
10948 with op1 rather than removing bits from op1.
10949 (df_ru_transfer_function): Corrected test on wrong bitmap which
10950 caused infinite loop. Both of these problems were introduced in
10951 the dataflow rewrite.
10953 2006-01-19 DJ Delorie <dj@redhat.com>
10955 * reload1.c (find_reload_regs): Note the details of reload
10956 failures in the dump file.
10957 (spill_failure): Likewise.
10959 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10961 * loop-iv.c: Include df.h and hashtab.h.
10962 (enum iv_grd_result): New enum.
10963 (DF_REF_IV, DF_REF_IV_SET): New macros.
10964 (struct biv_entry): New.
10965 (df, bivs): New global variables.
10966 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10967 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10969 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10970 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10971 analyzed_for_bivness_p, record_biv): New functions.
10972 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10973 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10974 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10976 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10978 (iv_number_of_iterations): Use new interface to iv analysis.
10979 * loop-unroll.c: Do not include varray.h.
10980 (analyze_iv_to_split_insn): Use new interface to iv
10982 * loop-unswitch.c (may_unswitch_on): Ditto.
10983 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10985 (df_bb_modify): Realloc tables to the new index.
10986 (df_find_use): New function.
10987 * df.h (df_find_use): Declare.
10988 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10990 * cfgloop.h (struct rtx_iv): Remove analysed field.
10991 (iv_get_reaching_def): Removed.
10992 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10993 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10994 (loop-iv.o): Add df.h and hashtab.h dependency.
10995 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10997 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11000 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11002 (__floatundisf, __floatundidf): Likewise.
11003 * libgcc2.h (IS_IBM_EXTENDED): Define.
11005 2006-01-19 DJ Delorie <dj@redhat.com>
11007 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11009 2006-01-19 Paul Brook <paul@codesourcery.com>
11011 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11012 as nothrow when unwinding tables are disabled.
11014 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11017 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11018 of bit-field" when in system header.
11020 2006-01-19 DJ Delorie <dj@redhat.com>
11022 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11023 the 16 bit shift limit of the m16c.
11025 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11028 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11029 * config/i386/i386.c (output_set_got): Output the label if we have one
11030 for the TARGET_DEEP_BRANCH_PREDICTION case.
11032 2006-01-19 Jan Hubicka <jh@suse.cz>
11033 H.J. Lu <hongjiu.lu@intel.com>
11034 Evandro Menezes <evandro.menezes@amd.com>
11036 * invoke.texi (generic): Document
11038 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11039 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11040 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11041 (x86_use_incdec, x86_pad_returns): New variables
11042 (TARGET_CPU_DEFAULT_generic): New constant
11043 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11044 (enum processor_type): Add generic32 and generic64.
11045 * i386.md (cpu attribute): Add generic32/generic64
11046 (movhi splitter): Behave sanely when both partial_reg_dependency and
11047 partial_reg_stall are set.
11048 (K8 splitters): Enable for generic as well.
11049 * predicates.md (incdec_operand): Use TARGET_INCDEC
11050 (aligned_operand): Avoid memory mismatch stalls.
11051 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11052 * ppro.md: Enable for generic32
11053 * i386.c (generic64_cost, generic32_cost): New.
11054 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11055 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11056 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11057 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11058 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11059 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11060 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11061 x86_accumulate_outgoing_args, x86_prologue_using_move,
11062 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11063 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11064 Enable for generic.
11065 (x86_use_incdec, x86_pad_returns): New.
11066 (override_options): Add generic32 and generic64, translate "generic"
11067 to generic32/generic64 and "i686" to "generic32", refuse
11068 "generic32"/"generic64" as arch target.
11069 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11070 (ix86_reorg): Honor PAD_RETURNS.
11072 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11074 * tree-pretty-print.c (dump_generic_node): Handle
11075 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11076 * cgraph.c (cgraph_expand_queue): Rename from
11077 cgraph_analyze_queue. Update all users.
11078 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11079 cgraph_expand_queue.
11080 (cgraph_expand_all_functions): Likewise.
11081 (cgraph_finalize_pending_functions): Remove. Update callers.
11083 * tree.h (OMP_DIRECTIVE_P): Define.
11084 (OMP_PARALLEL_FN): Define.
11085 (OMP_PARALLEL_DATA_ARG): Define.
11086 (OMP_SECTIONS_SECTIONS): Define.
11087 * tree-pass.h (pass_expand_omp): Declare.
11088 * omp-low.c (struct omp_region): Declare.
11089 (struct omp_context): Remove fields 'parallel_type',
11090 'parallel_start_ix' and 'parallel_start_additional_args'.
11092 (struct omp_for_data): Rename from struct expand_omp_for_data.
11093 (omp_regions): New static variable.
11094 (root_omp_region): New static variable.
11095 (find_omp_clause): Make static.
11096 (is_in_combined_parallel_ctx): Remove.
11097 (is_combined_parallel): New.
11098 (extract_omp_for_data): Move earlier in the file.
11099 (workshare_safe_to_combine_p): New.
11100 (get_ws_args_for): New.
11101 (determine_parallel_type): Move earlier in the file.
11102 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11104 (omp_copy_decl): Likewise.
11105 (create_omp_child_function): Likewise.
11106 (lookup_omp_region): New.
11107 (dump_omp_region): New.
11108 (debug_omp_region): New.
11109 (debug_all_omp_regions): New.
11110 (new_omp_region): New.
11111 (scan_omp_parallel): If parallel_nesting_level > 1, the
11112 directive is nested within another parallel directive.
11113 Set OMP_PARALLEL_FN.
11114 (scan_omp_for): Do not try to handle combined parallel+for
11116 Remove FIXME comment.
11117 (scan_omp_nested): Remove.
11118 (scan_omp_1): Do not call scan_omp_nested when
11119 parallel_nesting_level is > 1.
11120 Do not change the DECL_CONTEXT of local variables found.
11121 (lookup_decl_in_outer_ctx): New.
11122 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11123 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11124 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11125 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11126 If CTX is nested, lookup VAR in the outer context when
11127 building copy assignment.
11128 (lower_send_clauses): Rename from expand_send_clauses.
11129 If CTX is nested, lookup VAR in the outer context when
11130 building copy assignments.
11131 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11132 If CTX is nested, lookup VAR in the outer context when
11133 building copy assignments.
11134 (expand_parallel_call): Rename from build_parallel_call.
11135 Handle combined parallel+workshare cases.
11136 Re-implement to emit code into the CFG.
11138 (expand_omp_parallel): Re-implement to emit code into the CFG.
11139 Call move_sese_region_to_fn to outline the sub-graph
11140 containing the parallel region.
11141 (expand_omp_for_1): Remove.
11142 (expand_omp_for_generic): Re-implement to emit code into the
11144 (expand_omp_for_static_nochunk): Likewise.
11145 (expand_omp_for_static_chunk): Likewise.
11146 (expand_omp_for): Likewise.
11147 (expand_omp_sections): Likewise.
11148 (remove_exit_barriers): New.
11149 (expand_omp_synch): New.
11151 (build_omp_regions_1): New.
11152 (build_omp_regions): New.
11153 (execute_expand_omp): New.
11154 (gate_expand_omp): New.
11155 (pass_expand_omp): Define.
11156 (lower_omp_sections): Rename from expand_omp_sections.
11157 Set OMP_SECTIONS_SECTIONS.
11158 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11159 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11160 (lower_omp_single): Rename from expand_omp_simple.
11161 (lower_omp_master): Rename from expand_omp_master.
11162 (lower_omp_ordered): Rename from expand_omp_ordered.
11163 (lower_omp_critical): Rename from expand_omp_critical.
11164 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11165 (lower_omp_for): Re-implement.
11166 (lower_omp_parallel): Re-implement.
11167 (lower_regimplify): Rename from expand_regimplify.
11168 (lower_omp_1): Rename from expand_omp_1.
11169 If there are syntax errors in the program, replace every
11170 OpenMP directive with NOP.
11171 Call lower_omp_* instead of expand_omp_*.
11172 (lower_omp): Rename from expand_omp.
11174 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11175 * tree-gimple.h (enum omp_parallel_type): Remove.
11176 (gimple_boolify): Declare extern.
11177 (find_omp_clause, determine_parallel_type): Remove.
11179 * gimple-low.c (lower_omp_directive): New.
11180 (lower_stmt): Call it.
11181 (record_vars_into): Move from ...
11182 (record_vars): ... here.
11183 Call record_vars_into with current_function_decl.
11185 * gimplify.c (struct gimplify_ctx): Remove fields
11186 combined_pre_p and combined_ctxp. Update users.
11187 (get_formal_tmp_var): Add documentation.
11188 (gimple_boolify): Make extern.
11189 (gimplify_expr_in_ctx): Remove. Update callers.
11190 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11191 will always be a BIND_EXPR.
11192 (gimplify_expr): Handle OMP_RETURN_EXPR.
11193 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11194 (OMP_PARALLEL): Add 3 operands.
11195 (OMP_SECTIONS): Add 1 operand.
11196 (OMP_RETURN_EXPR): Define.
11198 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11199 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11200 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11201 creating a circular free list.
11202 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11204 * tree-flow.h (move_sese_region_to_fn): Declare.
11205 (record_vars_into): Declare.
11206 * tree-cfg.c (make_omp_sections_edges): New.
11207 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11208 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11209 OMP_SECTIONS and OMP_SECTION.
11210 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11211 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11212 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11213 (gather_blocks_in_sese_region): New.
11214 (struct move_stmt_d): Declare.
11215 (move_stmt_r): New.
11216 (move_block_to_fn): New.
11217 (move_sese_region_to_fn): New.
11219 * passes.c (init_optimization_passes): Schedule
11220 pass_expand_omp after pass_init_datastructures.
11222 * tree-ssa-operands.c (get_expr_operands): Handle
11223 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11224 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11226 2006-01-19 Jeff Law <law@redhat.com>
11228 * tree-vrp.c (extract_range_from_assert): Refine the result range
11229 if the variable referenced by the ASSERT_EXPR has a range and
11230 either the tentative result range or the previous range is a
11233 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11235 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11237 2006-01-19 Jan Hubicka <jh@suse.cz>
11239 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11241 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11243 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11244 (expand_compound_operation, expand_field_assignment): Fail if the
11245 bit lengths of an extract operation are out of range.
11246 (make_extraction): Compute wanted_inner_mode based on the position
11247 and length of the extraction. Make it extraction_mode for non-constant
11248 positions, and do not modify offset in that case. When generating a
11249 new MEM, use a mode that can hold the extraction while keeping correct
11250 alignment. Remove code that supported MEMs wrapped by USEs.
11251 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11253 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11255 * config/s390/s390.md ("Y", "y"): New mode attribute.
11256 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11257 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11258 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11259 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11260 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11261 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11262 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11263 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11264 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11265 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11266 "addsi3", "subsi3"): Insn patterns removed.
11267 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11268 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11269 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11270 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11271 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11272 "*sub<mode>3_cconly2"): New insn patterns.
11273 ("addsi3", "subsi3"): New expanders.
11275 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11277 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11278 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11279 existing STMT_VINFO_VECTYPE if available.
11280 (vect_mark_relevant): Add special handling for stmts that are
11281 marked as STMT_VINFO_IN_PATTERN_P.
11282 (vect_analyze_loop): Call vect_pattern_recog.
11283 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11284 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11286 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11287 (vect_recog_func_ptr): New function-pointer type.
11288 * tree-vect-patterns.c: New file.
11289 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11290 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11291 (vect_pattern_recog_1): New functions.
11292 (vect_pattern_recog_funcs): New array of function pointers.
11294 * tree-vectorizer.h (ternary_op): New enum value.
11295 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11296 declaration. Revised documentation. Removed redundant dump prints.
11297 Removed redundant argument. Added support for reduction patterns.
11298 (vectorizable_reduction): Added support for reduction patterns.
11299 (vect_transform_stmt): Added support for patterns.
11301 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11302 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11303 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11304 (expand_widen_pattern_expr): New function.
11305 (init_optabs): Initialize new optabs udot_prod_optab,
11307 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11308 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11309 (expand_widen_pattern_expr): New function declaration.
11310 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11312 * tree-inline.c (estimate_num_insns_1): Added cases for new
11313 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11314 * tree-pretty-print.c (dump_generic_node): Likewise.
11315 (op_prio): Likewise.
11316 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11317 * tree-ssa-operands.c (get_expr_operands): Added case for
11319 * tree-vect-patterns.c (widened_name_p): New function.
11320 (vect_recog_dot_prod_pattern): Added function implementation.
11321 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11322 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11323 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11324 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11326 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11327 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11328 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11329 (init_optabs): Initialize new optabs widen_ssum_optab,
11331 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11332 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11333 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11334 use instead of type of def.
11335 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11336 function implementation.
11337 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11338 widen_ssumv8hi): New.
11340 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11343 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11346 * c-decl.c (add_flexible_array_elts_to_size): New function.
11347 (finish_decl): Use it.
11349 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11351 * diagnostic.h: Include options.h.
11352 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11353 dependancies for diagnostic.h.
11354 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11356 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11358 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11359 (ssa_ro_call_cache_valid): Ditto.
11360 * tree-ssa-alias.c (sort_tags_by_id): New function.
11361 (init_transitive_clobber_worklist): Ditto.
11362 (add_to_worklist): Ditto.
11363 (mark_aliases_call_clobbered): Ditto.
11364 (compute_tag_properties): Ditto.
11365 (set_initial_properties): Ditto.
11366 (compute_call_clobbered): Ditto.
11367 (compute_may_aliases): Call compute_call_clobbered and grouping.
11368 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11369 (compute_flow_insensitive_aliasing): Grouping now happens in our
11371 (setup_pointers_and_addressables): Remove clobbering related code.
11372 (add_may_alias): Ditto.
11373 (replace_may_alias): Ditto.
11374 (get_nmt_for): Ditto.
11375 (create_global_var):
11376 (is_escape_site): Return an escape_type enumeration.
11377 * tree-flow-inline.h (is_call_clobbered): Global var does not
11378 imply call clobbered.
11379 (mark_call_clobbered): Take a reason for marking this. Remove
11380 marking of globalness, and cache invalidation.
11381 (clear_call_clobbered): Remove cache invalidation code.
11382 * tree-dfa.c (dump_variable): If details is on, dump the reason
11384 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11386 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11387 (struct var_ann_d): Ditto.
11388 (enum escape_type): New.
11389 (mark_call_clobbered): Adjust prototype.
11390 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11391 are never call clobbered.
11392 Record reasons for escaping.
11393 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11394 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11395 (ssa_ro_call_cache_valid): Ditto.
11396 (clobbered_v_may_defs): Ditto.
11397 (clobbered_vuses): Ditto.
11398 (ro_call_vuses): Ditto.
11399 (clobber_stats): New.
11400 (init_ssa_operands): Zero out clobber stats.
11401 (fini_ssa_operands): Print out clobber stats.
11402 (get_call_expr_operands): Pass callee fndecl to
11403 add_call_read_ops).
11404 (add_call_clobber_ops): Remove use of cache.
11405 Add use of PURE_CONST information.
11406 (add_call_read_ops): Remove use of cache.
11407 Add use of static not_read information.
11409 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11411 Introduce TLS descriptors for i386 and x86_64.
11412 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11413 (TARGET_ANY_GNU_TLS): New macro.
11414 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11415 (struct machine_function): Add tls_descriptor_call_expanded_p.
11416 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11417 (ix86_current_function_calls_tls_descriptor): Likewise.
11418 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11419 (override_options): Introduce gnu2 tls dialect.
11420 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11422 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11424 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11425 (ix86_init_machine_status): Initialize new field.
11426 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11427 (ix86_tls_module_base): New.
11428 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11429 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11430 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11431 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11432 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11433 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11434 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11435 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11436 * config/i386/predicates.md (tls_modbase_operand): New.
11437 (tp_or_register_operand): New.
11439 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11441 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11442 (look_for_address_of): Ditto.
11443 (ipa_init): Walk the function decls.
11444 (static_execute): Don't set readonly on FUNCTION_DECL's.
11446 2006-01-18 Roger Sayle <roger@eyesopen.com>
11448 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11449 for shifts where the source and destination registers are different.
11451 2006-01-18 Paul Brook <paul@codesourcery.com>
11453 Merge from csl-arm-branch.
11454 2005-03-14 Julian Brown <julian@codesourcery.com>
11455 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11456 (aeabi_llsl): Likewise.
11457 (ashrdi3): Likewise.
11458 (aeabi_lasr): Likewise.
11459 (lshrdi3): Likewise.
11460 (aeabi_llsr): Likewise.
11461 2005-03-10 Julian Brown <julian@codesourcery.com>
11462 * config.gcc: Disable shared libgcc for SymbianOS.
11463 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11465 2006-01-18 DJ Delorie <dj@redhat.com>
11467 * c-pragma.c (handle_pragma_diagnostic): New.
11468 (init_pragma): Register it.
11469 * doc/extend.texi: Document it.
11471 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11472 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11473 (diagnostic_context): Add classify_diagnostic[].
11474 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11475 as errors if they're overridden to DK_WARNING.
11476 (diagnostic_initialize): Initialize classify_diagnostic[].
11477 (diagnostic_set_kind_override): New.
11478 (diagnostic_report_diagnostic): Check for kind changes.
11479 * opts.c (common_handle_option): Take lang_mask. Update callers.
11480 Handle OPT_Werror_.
11481 * common.opt (Werror=): New.
11482 * doc/invoke.texi: Document -Werror=*
11484 2006-01-18 Jeff Law <law@redhat.com>
11486 * tree-vrp.c (test_for_singularity): Correct test for new
11487 min limit. Use operand_equal_p rather than pointer equality
11488 for testing if new min/max values are equal.
11490 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11491 using range information until after propagation and folding.
11493 2006-01-18 Richard Henderson <rth@redhat.com>
11494 Aldy Hernandez <aldyh@redhat.com>
11495 Jakub Jelinek <jakub@redhat.com>
11496 Diego Novillo <dnovillo@redhat.com>
11498 * omp-low.c: New file.
11499 * c-omp.c: New file.
11501 2006-01-18 Richard Henderson <rth@redhat.com>
11502 Jakub Jelinek <jakub@redhat.com>
11503 Diego Novillo <dnovillo@redhat.com>
11505 * doc/invoke.texi: Document -fopenmp.
11506 * tree-dump.h (debug_function): Declare.
11507 * hooks.c (hook_bool_tree_bool_false): New function.
11508 (hook_tree_tree_null): Remove.
11509 (hook_tree_tree_tree_null): New.
11510 * hooks.h: Update to match.
11511 * tree-pretty-print.c (debug_tree_chain): New.
11512 (print_generic_expr): Handle TDF_CHAIN.
11513 (dump_generic_node): Handle BLOCK.
11514 Do not abort with incomplete SWITCH_EXPRs.
11515 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11516 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11517 print space after directive name.
11518 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11519 Handle OMP_MASTER and OMP_ORDERED.
11520 Handle printing of OMP_BODY just in one place, goto
11521 dump_omp_body in the rest of OMP_* nodes that have
11523 Don't handle clause nodes here. Update omp statements to
11524 use dump_omp_clauses.
11525 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11526 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11527 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11528 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11529 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11530 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11531 Adjust output for GOMP_PARALLEL.
11532 (dump_omp_clauses): New.
11533 (print_declaration): Dump DECL_VALUE_EXPR.
11534 (op_symbol_1): Split out of op_symbol.
11535 (dumping_stmts): Remove. Update all users.
11536 * cgraph.c (cgraph_analyze_queue): New.
11537 (cgraph_add_new_function): New.
11538 * cgraph.h (cgraph_analyze_queue): Declare.
11539 (cgraph_add_new_function): Declare.
11540 (cgraph_lower_function): Remove.
11541 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11542 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11543 and TYPE_P nodes in its default clause.
11544 (empty_body_p): New.
11545 (tree_range_check_failed): New.
11546 (build5_stat): New.
11547 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11548 OMP_CLAUSE_REDUCTION_MERGE,
11549 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11550 OMP_CLAUSE_PRIVATE_DEBUG,
11551 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11552 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11553 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11554 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11555 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11556 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11557 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11558 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11559 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11560 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11561 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11562 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11563 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11564 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11565 (TREE_RANGE_CHECK): New.
11566 (empty_body_p): Declare.
11567 (enum omp_clause_default_kind): New.
11568 (build_string_literal): Declare.
11569 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11570 (build5_stat, build5): Declare.
11571 * tree-pass.h (TDF_CHAIN): Define.
11572 * tree-pass.h (PROP_gimple_lomp): Define.
11573 (pass_lower_omp): Declare.
11574 * diagnostic.h (debug_tree_chain): Declare.
11575 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11577 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11578 * builtins.c (build_string_literal): Make extern.
11579 * gcc.c (include_spec_function): New.
11580 (static_spec_functions): Add it.
11581 (main): Move load of libgomp.spec ...
11582 (LINK_COMMAND_SPEC): ... here.
11583 (link_gomp_spec): New.
11584 (static_specs): Include it.
11585 (LINK_COMMAND_SPEC): Add link_gomp.
11586 (GOMP_SELF_SPECS): New.
11587 (driver_self_specs): Include it.
11588 (switch_matches): Don't mark inline.
11589 (main): Load libgomp.spec.
11590 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11591 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11592 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11593 * tree-gimple.h (enum omp_parallel): Declare.
11594 (determine_parallel_type): Declare.
11595 (omp_firstprivatize_variable): Declare.
11596 (omp_reduction_init): Declare.
11597 (diagnose_omp_structured_block_errors): Declare.
11598 (struct walk_stmt_info): Add want_return_expr.
11599 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11600 (find_omp_clause): Declare.
11601 (insert_field_into_struct): Declare.
11602 (struct walk_stmt_info): Move from tree-nested.c
11603 (walk_stmts): Declare.
11604 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11606 * cgraphunit.c (cgraph_lower_function): Make static.
11607 (cgraph_finalize_pending_functions): New.
11608 (cgraph_finalize_function): Call it.
11609 (cgraph_finalize_compilation_unit): Likewise.
11610 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11611 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11612 (BT_FN_UINT_UINT): New.
11613 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11614 DEF_FUNCTION_TYPE_VAR_4): Document.
11615 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11616 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11617 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11618 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11619 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11620 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11621 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11622 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11623 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11624 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11625 into separate files.
11626 (DEF_GOMP_BUILTIN): New.
11627 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11628 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11629 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11630 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11631 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11632 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11633 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11634 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11635 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11636 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11637 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11638 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11639 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11640 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11641 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11642 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11643 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11644 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11645 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11646 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11647 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11648 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11649 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11650 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11651 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11652 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11653 * sync-builtins.def: New file, moved from builtins.def.
11654 * omp-builtins.def: New file, moved from builtins.def.
11655 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11656 * gimple-low.c (lower_function_body): Clear data.
11657 (lower_stmt): Do not handle COMPOUND_EXPR.
11658 Remove call to print_node_brief.
11659 * c-tree.h (c_finish_omp_clauses): New prototype.
11660 (C_DECL_THREADPRIVATE_P): Define.
11661 (lookup_name_no_remap, c_omp_remap_private): Remove
11662 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11663 (check_for_loop_decls): Update decl.
11664 (lookup_name_no_remap, c_omp_remap_private): Declare.
11665 (build_indirect_ref, build_modify_expr, pushdecl,
11666 pushdecl_top_level): Move to c-common.h.
11667 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11668 before the switch, but just in the 2 places that need it.
11669 * c-decl.c (diagnose_mismatched_decls): Do not check for
11670 mismatched thread-local attributes when OLDDECL is marked
11671 threadprivate and NEWDECL has no thread-local attributes.
11672 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11673 (c_gimple_diagnostics_recursively): Rename from
11674 c_warn_unused_result_recursively. Invoke
11675 diagnose_omp_structured_block_errors.
11676 (check_for_loop_decls): Return a singular decl found.
11677 * langhooks.c (lhd_omp_predetermined_sharing): Return
11678 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11679 (lhd_omp_firstprivatize_type_sizes): New.
11680 (lhd_omp_assignment): New.
11681 (lhd_omp_predetermined_sharing): New.
11682 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11683 (struct lang_hooks_for_types): Add
11684 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11685 omp_predetermined_sharing, omp_disregard_value_expr,
11686 omp_private_debug_clause, omp_clause_default_ctor,
11687 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11688 (c_finish_omp_clauses): New.
11689 (c_finish_bc_stmt): Diagnose break within omp for.
11690 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11691 (build_unary_op): Return error_mark after reporting
11693 (build_modify_expr): Likewise.
11694 * gimplify.c: Include optabs.h and pointer-set.h.
11695 (enum gimplify_omp_var_data): Declare.
11696 (struct gimplify_omp_ctx): Declare.
11697 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11699 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11700 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11701 (splay_tree_compare_decl_uid): New.
11702 (new_omp_context): New.
11703 (delete_omp_context): New.
11704 (gimple_add_tmp_var): Call omp_add_variable.
11705 (gimplify_bind_expr): Likewise.
11706 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11707 true, disregard DECL_VALUE_EXPR on the decl if any.
11708 (gimplify_expr_in_ctx): New.
11709 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11710 omp_add_variable, omp_notice_variable, omp_is_private
11711 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11712 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11713 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11714 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11715 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11716 gimplify_omp_atomic): New.
11717 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11718 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11719 OMP_CRITICAL and OMP_ATOMIC.
11720 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11721 * c-pragma.h (enum pragma_kind): Add
11722 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11723 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11724 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11725 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11726 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11727 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11728 PRAGMA_OMP_THREADPRIVATE.
11729 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11730 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11731 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11732 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11733 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11734 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11735 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11736 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11737 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11738 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11739 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11740 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11741 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11743 (struct nesting_info): Add field_map,
11744 suppress_expansion, debug_var_chain.
11745 (create_nesting_tree): Initialize them.
11746 (lookup_field_for_decl): Use field_map.
11747 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11748 (convert_local_omp_clauses): New.
11749 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11750 (walk_body): Split out of walk_function.
11751 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11752 (convert_nonlocal_reference): Handle omp statements.
11753 (convert_local_reference): Likewise.
11754 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11755 (unnest_nesting_tree): New.
11756 (lower_nested_functions): Call it.
11757 (insert_field_into_struct): Make extern.
11758 (struct walk_stmt_info): Move to tree-gimple.h.
11759 (walk_stmts): Make extern.
11760 * omp-builtins.def: New file.
11761 * tree-iterator.c (expr_only): Clarify comment.
11762 * c-common.h (pushdecl_top_level, pushdecl,
11763 build_modify_expr, build_indirect_ref,
11764 c_finish_omp_master, c_finish_omp_critical,
11765 c_finish_omp_ordered, c_finish_omp_barrier,
11766 c_finish_omp_atomic, c_finish_omp_flush,
11767 c_finish_omp_for, c_split_parallel_clauses,
11768 omp_clause_default_kind, c_omp_sharing_predetermined,
11769 c_omp_remap_decl): Declare.
11770 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11771 (OBJS-common): Add omp-low.o.
11772 (c-omp.o, omp-low.o): Add.
11773 (gimplify.o): Add dependency on $(OPTABS_H).
11774 (GTFILES): Add omp-low.c.
11775 (gt-stringpool.h): Add.
11776 * tree-cfg.c (set_bb_for_stmt): Do not update the
11777 block-to-labels map if we are currently expanding to RTL.
11778 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11780 Handle IDENTIFIER_NODE.
11781 (tree_verify_flow_info): Do not ICE when emitting error
11782 messages about invalid labels.
11783 (dump_function_to_file): Reset CFUN before emitting the body
11785 (debug_function): New.
11786 * passes.c (init_optimization_passes): Schedule
11788 * langhooks-def.h (lhd_omp_predetermined_sharing,
11789 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11791 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11792 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11793 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11794 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11795 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11796 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11797 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11798 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11799 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11800 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11801 (LANG_HOOK_DECLS): Use them.
11803 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11804 Richard Henderson <rth@redhat.com>
11805 Jakub Jelinek <jakub@redhat.com>
11806 Diego Novillo <dnovillo@redhat.com>
11808 * c-parser.c (pragma_omp_clause): Define.
11809 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11810 (c_parser_compound_statement): Likewise.
11811 (c_parser_statement): Likewise.
11812 (c_parser_pragma): Handle omp pragmas.
11813 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11814 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11815 (c_parser_omp_clause_name, check_no_duplicate_clause,
11816 c_parser_omp_variable_list,
11817 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11818 c_parser_omp_clause_copyprivate,
11819 c_parser_omp_clause_default,
11820 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11821 c_parser_omp_clause_lastprivate,
11822 c_parser_omp_clause_nowait,
11823 c_parser_omp_clause_num_threads,
11824 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11825 c_parser_omp_clause_reduction,
11826 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11827 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11828 c_parser_omp_atomic, c_parser_omp_barrier,
11829 c_parser_omp_critical, c_parser_omp_flush,
11830 c_parser_omp_for_loop, c_parser_omp_for,
11831 c_parser_omp_master, c_parser_omp_ordered,
11832 c_parser_omp_sections_scope, c_parser_omp_sections,
11833 c_parser_omp_parallel, c_parser_omp_single,
11834 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11835 * c-pragma.c (init_pragma): Do omp pragma registration here.
11836 * c.opt (fopenmp): New flag.
11838 2006-01-18 Eric Christopher <echristo@apple.com>
11840 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11841 * config/darwin.h (GOMP_SELF_SPECS): Define.
11843 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11845 * rtl.h: Remove the prototype for reg_alloc.
11847 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11850 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11851 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11852 sjlj and dwarf2 exception handling.
11853 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11854 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11855 * pa/pa.c (function_value): Treat complex and vector types as
11857 (function_arg): Likewise. Only pass scalar floats in the floating
11858 point argument registers.
11859 * pa/t-slibgcc-dwarf-ver: New file.
11860 * pa/t-slibgcc-sjlj-ver: New file.
11861 * pa/t-slibgcc-elf-ver: Delete file.
11863 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11865 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11866 unlikely_test_section_p test.
11868 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11870 * mode-switching.c (optimize_mode_switching): Make it static.
11871 * basic-block.h: Remove the prototype for
11872 optimize_mode_switching.
11874 * modulo-sched.c (sms_schedule): Make it static.
11875 * rtl.h: Remove the prototype for sms_schedule.
11877 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11878 * rtl.h: Remove the prototype for gcse_after_reload_main.
11880 * reg-stack.c (reg_to_stack): Make it static.
11881 * rtl.h: Remove the prototype for reg_to_stack.
11883 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11885 * rtl.h: Remove the prototypes for regrename_optimize and
11886 copyprop_hardreg_forward.
11888 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11890 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11891 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11892 Test against the appropriate null constant for the mode.
11893 If 'fixup_overlap' is true, swap the operands if they overlap.
11894 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11895 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11896 alpha_split_tmode_pair and adjust for above change.
11897 * config/alpha/alpha.md (movtf_internal): Adjust call to
11898 alpha_split_tfmode_pair and rely on it to swap the operands.
11899 (movti_internal): New insn and post-reload splitter.
11900 (movti): New expander.
11902 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11904 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11907 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11909 * rtlanal.c (global_reg_mentioned_p_1,
11910 global_reg_mentioned_p): Remove.
11911 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11913 * flow.c (initialize_uninitialized_subregs): Make it static.
11914 * rtl.h: Remove the prototype for
11915 initialize_uninitialized_subregs.
11917 * function.c (instantiate_virtual_regs): Make it static.
11918 * function.h: Remove the prototype for
11919 instantiate_virtual_regs.
11921 * regmove.c (regmove_optimize, combine_stack_adjustments):
11923 * rtl.h: Remove the prototypes for regmove_optimize and
11924 combine_stack_adjustments.
11926 2006-01-17 Roger Sayle <roger@eyesopen.com>
11928 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11929 (size_cost): Encode costs in bytes so that a reg-reg addition is
11930 equivalent to COSTS_N_INSNS(1).
11931 (override_options): Use the size_cost.branch_cost as the default
11932 ix86_branch_cost when optimizing for size.
11934 2006-01-18 Ben Elliston <bje@au.ibm.com>
11936 * Makefile.in (D32PBIT_FUNCS): New.
11937 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11938 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11939 D64PBIT_FUNCS and D128PBIT_FUNCS.
11940 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11941 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11943 (decnumber_dep): Define.
11944 * doc/libgcc.texi (Decimal float library routines): New node.
11945 * config/dfp-bit.h, config/dfp-bit.c: New files.
11947 2006-01-18 Ben Elliston <bje@au.ibm.com>
11949 * expr.c (emit_move_change_mode): Always adjust addresses, not
11950 just during reload. Copy replacements only during reload.
11951 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11952 emit_move_via_integer.
11954 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11956 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11957 instead of $(srcdir) and ${srcdir}.
11959 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11962 PR middle-end/11135
11963 * arm.h (struct machine_function): Add pic_reg.
11964 * arm.c (arm_pic_register): Make unsigned.
11965 (arm_override_options): Only set arm_pic_register if
11966 TARGET_SINGLE_PIC_BASE.
11967 (use_return_insn): Only test for a pic register if it is fixed.
11968 (arm_compute_save_reg0_reg12_mask): Likewise.
11969 (thumb_compute_save_reg_mask): Likewise.
11970 (legitimate_pic_operand): Factor out some known invariants.
11971 (legitimize_pic_address): If we don't have a fixed pic register,
11972 then set up a pseudo in the function entry sequence. Handle the
11973 pic base being in a pseudo.
11974 (arm_load_pic_register): Handle the pic register being in a pseudo.
11975 (arm_expand_prologue): Only set up the pic register if it is fixed.
11976 (thumb_expand_prologue): Likewise.
11977 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11978 (pic_load_addr_based_insn): Likewise.
11979 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11982 2006-01-18 Ben Elliston <bje@au.ibm.com>
11984 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11985 decimal float modes for all floating point registers.
11987 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11988 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11990 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11993 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11994 even when the pointer is not NULL.
11996 2006-01-16 Ian Lance Taylor <ian@airs.com>
11998 * common.opt (ftoplevel-reorder): New option.
11999 * cgraph.c (cgraph_asm_nodes): New global variable.
12000 (cgraph_asm_last_node): New static variable.
12001 (cgraph_order): New global variable.
12002 (cgraph_create_node): Set new order field.
12003 (cgraph_varpool_node): Likewise.
12004 (decide_is_variable_needed): Return true if not
12005 flag_toplevel_reorder.
12006 (cgraph_add_asm_node): New function.
12007 * cgraph.h (struct cgraph_node): Add order field.
12008 (struct cgraph_varpool_node): Add order field.
12009 (struct cgraph_asm_node): Define.
12010 (cgraph_asm_nodes, cgraph_order): Declare.
12011 (cgraph_add_asm_node): Declare.
12012 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12014 (cgraph_varpool_assemble_pending_decls): Call it.
12015 (cgraph_output_pending_asms): New static function.
12016 (cgraph_finalize_compilation_unit): Call it.
12017 (struct cgraph_order_sort): Define.
12018 (cgraph_output_in_order): New static function.
12019 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12020 !flag_toplevel_reorder case.
12021 * c-parser.c: Include "cgraph.h".
12022 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12024 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12025 than -fno-unit-at-a-time.
12026 * doc/invoke.texi (Option Summary): Mention
12027 -fno-toplevel-reorder.
12028 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12029 -funit-at-a-time documentation.
12031 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12032 Kazu Hirata <kazu@codesourcery.com>
12034 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12036 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12038 * Makefile.in (FUNCTION_H): New. Use it instead of
12039 function.h throughout the file.
12040 * function.h: Include tree.h.
12042 2006-01-17 Ben Elliston <bje@au.ibm.com>
12044 * recog.c: Separate some functions with whitespace.
12046 2006-01-16 Richard Henderson <rth@redhat.com>
12048 Merge from gomp branch:
12049 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12050 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12051 and rename from struct inline_data. Rename callee* to dst*;
12052 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12053 transform_new_cfg, transform_return_to_modify, and
12054 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12056 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12057 (copy_decl_for_dup): Remove.
12058 * tree-inline.c (struct inline_data): Move to header.
12059 (insert_decl_map): Export.
12060 (remap_decl): Update for member name changes. Use copy_decl hook.
12061 Allow for replacement to be a non-decl. Remove dead code.
12062 (remap_type_1): Check for existing mapping.
12063 (remap_type): Export.
12064 (remap_decls): Update for member name changes.
12065 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12066 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12067 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12068 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12069 (tree_function_versioning, build_duplicate_type): Likewise.
12070 (copy_body_r): Likewise. Export.
12071 (copy_decl_for_dup): Split into ...
12072 (copy_decl_for_dup_finish, copy_decl_to_var,
12073 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12074 (replace_ref_tree, inlining_p): Remove.
12076 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12078 * ifcvt.c (if_convert): Make it static.
12079 * rtl.h: Remove the prototype for if_convert.
12081 * local-alloc.c (local_alloc): Make it static.
12082 * rtl.h: Remove the prototype for local_alloc.
12084 * loop.c (loop_optimize): Make it static.
12085 * cfgloop.h: Remove the prototype for loop_optimize.
12088 2006-01-16 DJ Delorie <dj@redhat.com>
12090 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12093 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12095 * pa.md: Disparage copies between general and floating-point registers
12096 in 32-bit move patterns.
12098 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12101 * Makefile.in (check-%): Depend on site.exp instead of
12102 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12105 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12107 * global.c (global_alloc): Make it static.
12108 * rtl.h: Remove the prototype for global_alloc.
12110 2006-01-16 Richard Guenther <rguenther@suse.de>
12112 * tree-ssa-alias.c (struct used_part): Add write_only field.
12113 (get_or_create_used_part_for): Initialize it to true.
12114 (create_overlap_variables_for): Don't create structure variables
12115 for structures that only are written to.
12116 (find_used_portions): Handle MODIFY_EXPR to track whether a
12117 structure is only written to.
12119 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12121 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12123 * basic-block.h: Remove the prototype for
12124 partition_hot_cold_basic_blocks.
12126 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12128 * cppspec.c (lang_specific_spec_functions): Remove.
12129 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12130 * gcc.h (lang_specific_spec_functions): Remove.
12131 * gccspec.c (lang_specific_spec_functions): Remove.
12133 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12135 * combine.c (record_value_for_reg): Invalidate registers
12137 (record_dead_and_set_regs_1): Likewise, by passing them to
12138 record_value_for_reg.
12139 (record_dead_and_set_regs): Invalidate stores made by a
12140 call. We do not combine across a call, but we still
12141 relied on equivalences.
12143 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12145 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12146 vrp_int_const_binop returning non-constant nodes.
12148 2006-01-16 Paul Brook <paul@codesourcery.com>
12150 * config/m68k/m68k.c (output_move_const_into_data_reg):
12151 Output correct mnemonic for mvz and mvs.
12153 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12155 * rtl-factoring.c: Add sequence abstraction algorithm.
12156 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12157 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12159 (block_has_preserve_label): New function.
12160 * common.opt: Register new pass.
12161 * Makefile.in: Ditto.
12163 * timevar.def: Ditto.
12164 * tree-pass.h: Ditto.
12165 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12166 * rtl.h (make_jump_insn_raw): Add forward decl.
12167 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12169 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12170 Roger Sayle <roger@eyesopen.com>
12172 * fold-const.c (fold_minmax): New static function.
12173 (fold_binary) <MIN_EXPR>: Call it.
12174 <MAX_EXPR>: Likewise.
12175 * stor-layout.c (place_field): Use DECL_SIZE consistently
12176 in the computation of the new record size.
12178 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12180 * cse.c (cse_condition_code_reg): Make it static.
12181 * rtl.h: Remove the prototype for cse_condition_code_reg.
12183 * combine.c (combine_instructions): Make it static.
12184 * rtl.h: Remove the prototype for combine_instructions.
12186 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12189 * tree.c (get_file_function_name_long): Concatenate the first global
12190 object name with a string derived from the input filename of the object
12193 2006-01-16 Ben Elliston <bje@au.ibm.com>
12195 * config/i386/winnt-stubs.c: Update FSF address.
12196 * config/xtensa/ieee754-df.S: Ditto.
12197 * config/xtensa/ieee754-sf.S: Ditto.
12199 2006-01-14 Ian Lance Taylor <ian@airs.com>
12201 * ifcvt.c (noce_init_if_info): New static function, broken out of
12202 noce_process_if_block.
12203 (noce_process_if_block): Call noce_init_if_info.
12204 (check_cond_move_block): New static function.
12205 (cond_move_process_if_block): New static function.
12206 (process_if_block): Call cond_move_process_if_block.
12208 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12210 * cselib.c (hash_table): Rename to cselib_hash_table.
12211 (cselib_clear_table, discard_useless_values,
12212 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12213 cselib_init, cselib_finish): Adjust uses of hash_table.
12215 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12217 PR tree-optimization/25485
12218 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12219 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12220 is known to be false and true, respectively.
12222 2006-01-14 Richard Guenther <rguenther@suse.de>
12224 PR tree-optimization/22548
12225 PR tree-optimization/22555
12226 PR tree-optimization/22501
12227 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12228 * params.def (salias-max-array-elements): New parameter.
12229 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12230 * doc/invoke.texi (salias-max-array-elements): Document.
12231 * tree-flow-inline.h (var_can_have_subvars): We also handle
12233 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12235 * tree-ssa-structalias.c (params.h): Include.
12236 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12237 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12238 (get_constraint_for): For ADDR_EXPR operating on something
12239 containing an ARRAY_REF, add all subvars to the solution.
12240 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12241 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12242 for creating MUST_DEFs.
12243 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12245 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12247 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12249 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12250 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12251 number_of_iterations_le): New functions.
12252 (number_of_iterations_special): Removed.
12253 (number_of_iterations_exit): Do not use number_of_iterations_special.
12254 * tree.c (unsigned_type_for): Always return integer type.
12256 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12257 Richard Guenther <rguenther@suse.de>
12259 PR rtl-optimization/24257
12260 * gcse.c (find_moveable_store): Only consider a store movable
12261 when the SET_SRC of the insn can be assigned to a register.
12263 2006-01-14 Ian Lance Taylor <ian@airs.com>
12265 * tree.c (tree_not_class_check_failed): New function.
12266 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12267 (tree_not_class_check_failed): Declare.
12269 2006-01-13 Ian Lance Taylor <ian@airs.com>
12271 * reload1.c (do_output_reload): Add assertion rejecting a
12274 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12276 * combine.c (struct reg_stat): Add new fields truncation_label and
12278 (record_value_for_reg): Reset truncated_to_mode.
12279 (record_truncated_value): New function.
12280 (check_promoted_subreg): Call it. Rename to check_conversions.
12281 (combine_instructions): Rename check_promoted_subreg to
12283 (reg_truncated_to_mode): New function.
12284 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12285 (gen_lowpart_or_truncate): New function.
12286 (force_to_mode): Use it instead of gen_lowpart.
12288 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12290 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12291 VAR is a tag, not its type tag.
12293 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12295 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12296 alternatives to match style of other entries.
12297 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12299 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12301 PR tree-optimization/25771
12302 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12305 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12308 * tree-inline.c (declare_return_variable): If the return variable
12309 was marked as a non gimple complex, set the return slot variable
12310 to be a non gimple comple variable.
12312 2006-01-13 Richard Guenther <rguenther@suse.de>
12314 * builtins.c (expand_builtin_sincos): New function.
12315 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12317 (expand_builtin): Expand sincos using expand_builtin_sincos.
12319 2006-01-12 DJ Delorie <dj@redhat.com>
12321 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12322 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12323 so that constant shifts can be split.
12324 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12325 (m32c_valid_pointer_mode): Make static.
12326 (shift_gen_func_for): New.
12327 (m32c_prepare_shift): Use it. Split large const shifts into
12329 * config/m32c/predicates.md (shiftcount_operand): Allow more
12331 (longshiftcount_operand): New.
12332 * doc/md.texi (Machine Constraints): Document In6.
12334 2006-01-13 Ben Elliston <bje@au.ibm.com>
12336 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12337 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12340 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12342 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12343 to try to avoid clobbering pieces of structures when we know
12344 something about the whole structure.
12345 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12347 2006-01-13 Ben Elliston <bje@au.ibm.com>
12349 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12350 return in memory, as this is no limitation is no longer present.
12352 2006-01-12 DJ Delorie <dj@redhat.com>
12354 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12355 mova with fb, and for fb+0 -> An.
12357 * config/m32c/mov.md (peephole2): Fix enabling logic.
12359 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12360 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12361 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12362 FINI_ARRAY_SECTION_ASM_OP): Define.
12364 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12366 (m32c_legitimize_reload_address): New logic to reload FB to An.
12367 (m32c_output_reg_push): Add newline.
12368 (m32c_output_reg_pop): Likewise.
12370 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12372 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12374 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12376 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12380 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12383 2006-01-11 Ben Elliston <bje@au.ibm.com>
12385 * rtlanal.c (find_reg_note): Assert insn is not null.
12387 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12389 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12392 2006-01-11 Jeff Law <law@redhat.com>
12394 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12396 (mark_threaded_blocks, register_jump_thread): New functions.
12397 (thread_through_all_blocks): Remove unwanted argument. No
12398 longer rely on e->aux to communicate thread target info.
12399 Call mark_threaded_blocks. Release the threaded_blocks
12400 bitmap and threaded_edges vector when complete.
12401 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12402 (threaded_blocks): Remove.
12403 (tree_ssa_dominator_optimize): Remove initialization and
12404 finalization of threaded_blocks. Simplify call to
12405 thread_through_all_blocks.
12406 (thread_across_edge): Call register_jump_thread rather than
12407 storing thread information into e->aux.
12408 (free_all_edge_infos): Simplify now that e->aux is no longer
12409 used to communicate with thread_through_all_blocks.
12410 * tree-flow.h (thread_through_all_blocks): Update prototype.
12411 (register_jump_thread): Prototype.
12413 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12415 * df-core.c (df_compact_blocks, df_bb_replace): Use
12416 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12418 2006-01-11 Richard Guenther <rguenther@suse.de>
12420 PR tree-optimization/25734
12421 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12422 stop propagation after successful propagation to the LHS.
12424 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12426 * basic-block.h (control_flow_graph): Change the type of
12427 x_basic_block_info to VEC(basic_block,gc) *.
12428 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12430 (SET_BASIC_BLOCK): New.
12431 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12432 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12433 * cfgbuild.c (find_basic_blocks): Likewise.
12434 * cfglayout.c (fixup_reorder_chain): Likewise.
12435 * cfgrtl.c (create_basic_block_structure,
12436 rtl_create_basic_block): Likewise.
12437 * ifcvt.c (find_if_case_1): Likewise.
12438 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12441 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12443 * Makefile.in: Removed rotted odf.c entry.
12445 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12448 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12449 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12450 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12451 output pattern modifier, not %e.
12452 * config/cris/cris.c (cris_op_str): Update comment about pattern
12454 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12455 before falling through into...
12456 <case 'E'>: Redefined from old 'e' case.
12458 2006-01-11 Jan Hubicka <jh@suse.cz>
12461 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12463 2006-01-11 Jan Hubicka <jh@suse.cz>
12465 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12466 * i386.c (x86_decompose_lea): Kill.
12467 (ix86_rtx_costs): Kill.
12469 2006-01-11 Jan Hubicka <jh@suse.cz>
12471 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12472 * cgraph.h (cgraph_node): Add inline_decl.
12473 (cgraph_insert_node_to_hashtable): Declare.
12474 (save_inline_function_body): Declare.
12475 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12477 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12478 (cgraph_function_versioning): Update call of tree_function_versioning.
12479 (save_inline_function_body): New function.
12480 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12481 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12482 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12483 (cgraph_default_inline_p): Likewise.
12484 (cgraph_decide_inlining_incrementally): Likewise.
12485 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12486 (copy_bb): Kill saving; do updating of clones.
12487 (copy_cfg_body): Kill saving.
12488 (initialize_inlined-parameters): Likewise.
12489 (expand_call_inline): Likewise.
12491 (tree_function_versioning): New parameter "update_clones".
12492 (inlining_p): Kill saving.
12493 * tree-inline.h (tree_function_versioning): Update prototype.
12494 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12497 2006-01-11 Ian Lance Taylor <ian@airs.com>
12499 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12500 Allow undoing set of machine mode.
12501 (do_SUBST): Use enums instead of is_int.
12502 (do_SUBST_MODE): New function.
12503 (SUBST_MODE): New macro.
12504 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12505 reg and trying to replace reg_regno_rtx with a new register.
12506 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12507 (simplify_set): Use SUBST_MODE.
12508 (distribute_notes): Remove code that tried to update reg notes
12509 for regno_reg_rtx changes.
12511 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12513 PR tree-optimization/23109
12514 PR tree-optimization/23948
12515 PR tree-optimization/24123
12517 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12518 * tree-cfg.c (single_noncomplex_succ): New.
12519 * tree-flow.h (single_noncomplex_succ): Declare it.
12520 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12521 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12522 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12523 insert_bb, register_division_in, insert_reciprocals,
12524 replace_reciprocal, free_bb): New.
12525 (execute_cse_reciprocals_1): Rewritten.
12526 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12527 Do not commit any edge insertion. Always compute dominators and
12528 create the allocation pool.
12529 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12530 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12531 * targhooks.c (default_min_divistions_for_recip_mul): New.
12532 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12533 * passes.c (init_optimization_passes): Run recip after tree loop
12535 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12537 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12538 Kenneth Zadeck <zadeck@naturalbridge.com>
12540 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12541 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12542 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12543 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12544 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12545 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12546 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12547 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12548 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12549 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12550 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12551 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12552 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12553 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12554 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12555 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12556 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12557 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12558 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12559 DF_SCAN_POST_ALLOC): New macros.
12560 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12561 df_free_bb_function, df_local_compute_function, df_init_function,
12562 df_dataflow_function, df_confluence_function_0,
12563 df_confluence_function_n, df_transfer_function,
12564 df_finalizer_function, df_free_function, df_dump_problem_function,
12565 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12566 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12567 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12568 df_urec_bb_info, ) New types.
12569 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12571 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12572 df_analyze_simple_change_some_blocks,
12573 df_analyze_simple_change_one_block, df_compact_blocks,
12574 df_bb_replace, df_bb_regno_last_use_find,
12575 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12576 df_insn_regno_def_p, df_find_def, df_find_use,
12577 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12578 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12579 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12580 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12581 debug_df_chain, df_get_dependent_problem, df_chain_create,
12582 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12583 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12584 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12585 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12586 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12587 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12588 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12589 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12590 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12591 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12592 df_reorganize_refs, df_set_state, df_hard_reg_init,
12593 df_read_modify_subreg_p) New public functions.
12594 * df-core.c: The core dataflow solver and glue routines for rtl
12596 (df_init, df_add_problem, df_set_blocks, df_finish,
12597 df_hybrid_search_forward, df_hybrid_search_backward,
12598 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12599 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12600 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12601 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12602 df_reg_defined, df_find_use, df_reg_used, df_dump,
12603 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12604 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12605 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12606 debug_df_useno, reset_df_after_reload): New functions.
12607 * df-scan.c: The scanning fuctions, once in df.c, completely
12608 rewritten so that they now fully model the functionality of
12609 register usage at the backend.
12610 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12611 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12612 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12613 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12614 df_get_artificial_defs, df_get_artificial_uses,
12615 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12616 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12617 df_refs_delete, df_reorganize_refs, df_set_state,
12618 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12619 df_def_record_1, df_defs_record, df_uses_record,
12620 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12621 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12622 df_record_exit_block_uses, df_hard_reg_init): New functions.
12624 * df-problems.c: Seven concrete dataflow problems that use the
12625 scanning in df-scan.c and are solved by the engine in df-core.c.
12626 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12627 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12628 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12629 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12630 df_ru_free_bb_info, df_ru_alloc,
12631 df_ru_bb_local_compute_process_def,
12632 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12633 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12634 df_ru_transfer_function, df_ru_free, df_ru_dump,
12635 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12636 df_rd_free_bb_info, df_rd_alloc,
12637 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12638 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12639 df_rd_transfer_function, df_rd_free, df_rd_dump,
12640 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12641 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12642 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12643 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12644 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12645 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12646 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12647 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12648 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12649 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12650 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12651 df_urec_mark_reg_use_for_earlyclobber,
12652 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12653 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12654 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12655 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12656 df_chain_create_bb_process_use, df_chain_create_bb,
12657 df_chain_finalize, df_chain_free, df_chains_dump,
12658 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12659 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12660 df_reg_lifetime): New functions.
12661 * df.c: Deleted file.
12662 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12663 consistent with new df api.
12664 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12665 rest_of_handle_sms): Ditto.
12666 * web.c (unionfind_union, union_defs, entry_register, web_main):
12668 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12669 invariant_expr_equal_p, find_defs, check_dependencies,
12670 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12671 free_inv_motion_data, move_loop_invariants): Ditto.
12672 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12673 Update dependencies.
12674 (odf.c): Added defective entry that was deleted later in day.
12675 * sched-deps.c (sched_analyze_1): Ditto.
12677 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12679 * tree-ssa-operands.c (get_expr_operands): Record addressable
12680 variables directly. Do not call add_stmt_operands for CONST_DECLs
12682 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12683 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12685 2006-01-11 Ben Elliston <bje@au.ibm.com>
12687 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12688 function returns true in the positive case.
12690 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12693 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12694 for SI, DI, SF and DF modes. Add alternatives to copy between
12695 general and floating point registers to the 32-bit patterns.
12696 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12697 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12698 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12699 generating 64-bit code.
12700 * config/pa/pa.c (output_move_double): Handle copies between general
12701 and floating registers.
12703 2006-01-10 Stuart Hastings <stuart@apple.com>
12705 * config/i386/i386.md (set_got): Update.
12706 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12707 (builtin_setjmp_receiver): Mach-O support.
12708 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12709 (GOT_SYMBOL_NAME): Define.
12710 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12711 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12712 * config/i386/i386.c (override_options): Revise for Darwin.
12713 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12714 support. (darwin_x86_file_end): New. (output_set_got): Add label
12715 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12716 * config/i386/i386-protos.h (output_set_got): Likewise.
12717 * config/darwin.c (machopic_legitimize_pic_address): Update
12720 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12722 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12723 when MODE isn't BLKmode.
12725 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12727 PR rtl-optimization/25367
12728 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12730 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12733 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12734 for a negative bound.
12736 2006-01-10 Richard Guenther <rguenther@suse.de>
12738 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12739 Never override with anything constraint.
12741 2006-01-10 Jan Beulich <jbeulich@novell.com>
12743 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12744 256 bits when optimize_size.
12746 2006-01-10 Jan Beulich <jbeulich@novell.com>
12748 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12750 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12751 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12754 2006-01-10 Ben Elliston <bje@au.ibm.com>
12756 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12758 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12759 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12760 (USE_FP_FOR_ARG): Reject decimal float modes.
12761 (function_arg_advance): Likewise.
12762 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12763 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12764 point types in AltiVec vectors.
12765 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12766 (rs6000_libcall_value): Likewise.
12768 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12770 * config/xtensa/ieee754-df.S: New file.
12771 * config/xtensa/ieee754-sf.S: New file.
12772 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12773 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12774 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12776 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12778 * config/sh/predicates.md (binary_float_operator,
12779 binary_logical_operator, commutative_float_operator,
12780 equality_comparison_operator, greater_comparison_operator,
12781 less_comparison_operator, logical_operator,
12782 noncommutative_float_operator, shift_operator,
12783 symbol_ref_operand, unary_float_operator): Remove redundant
12786 2006-01-09 Jeff Law <law@redhat.com>
12788 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12789 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12790 now unused arguments. Callers updated.
12791 (eliminate_redundant_computations): Remove now unused arguments,
12793 (local_fold): Remove, no longer used.
12794 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12796 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12797 (simplify_cond): New function.
12798 (forward_propagate_into_cond): Call simplify_cond.
12800 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12802 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12803 (*vec_extractv2di_1_sse): New.
12805 2006-01-09 Ben Elliston <bje@au.ibm.com>
12807 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12809 2006-01-08 Richard Guenther <rguenther@suse.de>
12811 * tree-ssa-structalias.c (get_constraint_for): Remove
12812 anyoffset argument.
12813 (get_constraint_for_component_ref): Likewise.
12814 (do_deref): Likewise.
12815 (get_constraint_for): Likewise.
12816 (do_structure_copy): Likewise.
12817 (handle_ptr_arith): Likewise.
12818 (find_func_aliases): Likewise. Remove unused need_anyoffset
12821 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12822 Kaz Kojima <kkojima@gcc.gnu.org>
12824 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12825 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12826 (EXTRA_CONSTRAINT_C16): Remove.
12827 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12828 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12829 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12830 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12831 constants of SHmedia. Handle nested constant expressions of
12833 (andcosts): Fix the costs for SHmedia constants.
12834 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12835 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12836 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12837 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12838 (movv4hi_i, movv2si_i): Likewise.
12839 (movsi_const): Adjust the second operand of ior so to match with
12840 the Csu constraint.
12841 (movdi_const, movdi_const_32bit): Likewise.
12842 (movdi_const_16bit+1): Don't sign-extend LOW.
12843 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12845 (*double_shori): Fix the split condition. Use GEN_INT instead
12846 of get_int_mode calls. Mask lower 16-bit of the argument of
12848 (sym2GOTPLT): Remove.
12849 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12851 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12852 instead of EXTRA_CONSTRAINT_C16.
12854 2006-01-07 Ian Lance Taylor <ian@airs.com>
12855 David Edelsohn <edelsohn@gnu.org>
12857 PR rtl-optimization/25662
12858 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12859 for constant operands instead of simplify_gen_binary.
12860 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12861 after trying simplify_binary_operation
12863 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12865 * tree.c (iterative_hash_expr): Hash decls based on UID.
12867 2006-01-06 Eric Christopher <echristo@apple.com>
12869 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12870 (TARGET_UNWIND_EMIT): Fix spelling.
12871 * target.h (gcc_target): Add except_table_label.
12872 * except.c (output_function_exception_table): Use.
12873 * varasm.c (default_emit_except_table_label): New.
12874 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12876 (asm_out): Add here.
12877 * output.h (default_emit_except_table_label): Prototype.
12878 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12879 * config/darwin.c (darwin_emit_except_table_label): Define.
12880 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12882 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12884 PR tree-optimization/18527
12885 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12886 number_of_iterations_special, number_of_iterations_exit):
12887 Move base and step of an iv to a single structure. Add
12888 no_overflow flag, and use it in # of iterations analysis.
12889 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12890 folded_casts argument.
12891 (simple_iv): Pass base and step in a structure. Set no_overflow
12893 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12894 Evaluate expensiveness of computing # of iterations instead of
12895 the final expression.
12896 * tree-scalar-evolution.h (affine_iv): New structure.
12897 (simple_iv): Declaration changed.
12898 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12899 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12900 find_givs_in_stmt): Changed due to simple_iv change.
12902 2006-01-06 Jeff Law <law@redhat.com>
12905 * tree-cfg.c (bsi_replace): Rename final argument from
12906 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12907 change (stmt -> orig_stmt).
12908 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12909 (bsi_remove): Add new argument. Remove EH information
12911 (verify_eh_throw_table_statements): New function.
12912 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12914 * tree-optimize.c (execute_free_cfg_annotations): Verify
12915 the EH throw statement table after removing annotations.
12916 * except.h (verify_eh_throw_table_statements): Prototype.
12917 * tree-flow.h (bsi_remove): Update prototype.
12918 * tree-vrp.c (remove_range_assertions): Add new argument to
12920 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12921 * tree-complex.c (expand_complex_div_wide): Likewise.
12922 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12923 * tree-tailcall.c (eliminate_tailcall): Likewise.
12924 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12925 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12926 * tree-nrv.c (tree_nrv): Likewise.
12927 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12928 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12929 (combine_blocks): Likewise.
12930 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12931 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12932 (cleanup_control_flow): Likewise.
12933 (remove_forwarder_block): Likewise.
12934 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12935 * tree-sra.c (sra_replace): Likewise.
12936 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12937 (forward_propagate_single_use_vars): Likewise.
12938 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12939 * tree-inline.c (expand_call_inline): Likewise.
12940 * tree-vect-transform.c (vect_transform_loop): Likewise.
12941 * tree-outof-ssa.c (rewrite_trees): Likewise.
12942 * tree-cfg.c (make_goto_expr_edges): Likewise.
12943 (cleanup_dead_labels): Likewise.
12944 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12945 (bsi_move_before, bsi_move_after): Likewise.
12946 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12947 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12949 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12952 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12954 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12955 on non gimple variables. Also add checks at the top for decls and
12957 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12959 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12960 and IMAGPART_EXPR for creating MUST_DEFs.
12961 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12962 and NAME_MEMORY_TAG separately from the DECLs.
12964 2006-01-06 Richard Guenther <rguenther@suse.de>
12966 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12967 annotation, if necessary.
12968 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12969 redundant calls to update_stmt.
12970 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12973 2006-01-05 Richard Henderson <rth@redhat.com>
12975 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12977 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12979 * c-typeck.c: Update copyright date.
12981 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12983 * c-typeck.c (build_c_cast): Always warn when casting
12984 from a pointer to an integer of different size, even if
12985 the node was constant.
12987 2006-01-05 Richard Guenther <rguenther@suse.de>
12989 PR tree-optimization/22555
12990 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12991 if one structure field is an array.
12992 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12993 operands even if we found a subvar, but ignore VOPs in this
12995 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12997 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12999 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13001 PR middle-end/24998
13002 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13004 2006-01-05 Richard Guenther <rguenther@suse.de>
13005 Diego Novillo <dnovillo@redhat.com>
13007 * tree-pass.h (TODO_remove_unused_locals): Define.
13008 * gimple-low.c (expand_var_p, remove_useless_vars,
13009 pass_remove_useless_vars): Remove. Update all users.
13010 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13011 (remove_unused_locals): New function.
13012 * tree-flow.h (remove_unused_locals): Declare.
13013 * passes.c (execute_todo): Call remove_unused_locals if
13014 TODO_remove_unused_locals is set.
13015 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13016 * tree-ssa-dce.c (pass_dce): Likewise.
13017 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13019 2006-01-05 Richard Guenther <rguenther@suse.de>
13021 * tree-flow.h (struct fieldoff): Decompose field to
13022 type, size and decl.
13023 * tree-ssa-alias.c (create_sft): Take type as parameter.
13024 (create_overlap_variables_for): Store type, size and decl
13025 in the fieldoff structure.
13026 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13027 of struct fieldoff.
13028 (push_fields_onto_fieldstack): Likewise.
13029 (create_variable_info_for): Likewise. Use offset for the
13030 SFT name if the decl is not available.
13032 2006-01-04 Paul Brook <paul@codesourcery.com>
13034 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13036 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13038 * lambda-code.c (can_put_in_inner_loop): Relax
13040 (can_put_after_inner_loop): New function.
13041 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13042 (perfect_nestify): Change to make copies and modify uses.
13044 2006-01-04 Richard Henderson <rth@redhat.com>
13046 Merge from gomp branch:
13047 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13048 via integer constant.
13049 (pragma_lex): Remove.
13050 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13051 rather than parsing it.
13052 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13053 handle_pragma_extern_prefix): Add %< %> quotes.
13054 (registered_pragmas): New.
13055 (c_register_pragma_1): New.
13056 (c_register_pragma): Use it.
13057 (c_register_pragma_with_expansion): Likewise.
13058 (c_invoke_pragma_handler): New.
13059 (init_pragma): Use cpp_register_deferred_pragma directly for
13061 * c-pragma.h (enum pragma_kind): New.
13062 (pragma_handler): New.
13063 (c_invoke_pragma_handler): Declare.
13064 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13066 * c-common.h (c_common_pch_pragma): Update decl.
13067 * Makefile.in (c-parser.o): Update dependencies.
13068 (GTFILES): Add c-pragma.h.
13069 * c-parser.c (struct c_token): Add pragma_kind.
13070 (struct c_parser): Add in_pragma.
13071 (c_lex_one_token): Always initialize keyword and pragma_kind.
13072 Extract data for CPP_PRAGMA.
13073 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13074 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13075 Don't allow CPP_PRAGMA_EOL if in_pragma.
13076 (c_parser_consume_pragma): New.
13077 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13078 (c_parser_skip_to_end_of_parameter): Likewise.
13079 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13080 (c_parser_skip_to_pragma_eol): New.
13081 (c_parser_external_declaration): Handle CPP_PRAGMA.
13082 (c_parser_compound_statement_nostart): Likewise.
13083 (c_parser_statement_after_labels): Likewise.
13084 (c_parser_pragma): New.
13085 (pragma_lex): Likewise.
13086 (c_parser_pragma_pch_preprocess): New.
13087 (c_parser_new): Merge into ...
13088 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13090 2006-01-04 Jeff Law <law@redhat.com>
13093 * tree-cfg.c (bsi_replace): Remove the original statement
13094 from the EH throw statement table.
13096 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13098 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13099 make the prototype extern "C" and add throw ().
13102 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13103 and pos non-negative and pos + len <= 32.
13104 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13105 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13106 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13109 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13110 as well as sizes not multiple of component size.
13113 * function.c (instantiate_expr): New function.
13114 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13115 walk its DECL_VALUE_EXPR with instantiate_expr.
13117 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13118 DW_OP_deref{,_size} if address isn't going to be added.
13120 2006-01-04 Ben Elliston <bje@au.ibm.com>
13122 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13123 * config/fp-bit.c: Likewise.
13125 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13127 * dominance.c: Add comment about why we use DFS numbering
13130 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13131 Richard Henderson <rth@redhat.com>
13133 Merge from gomp-branch:
13134 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13135 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13137 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13139 PR rtl-optimization/25578
13140 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13141 pass a parameter to simplify_shift_const if changing ASHIFTRT
13144 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13146 * builtins.c (get_builtin_sync_mem): New function.
13147 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13148 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13149 Call get_builtin_sync_mem to generate mem rtx.
13151 2006-01-03 Richard Guenther <rguenther@suse.de>
13154 * stmt.c (add_case_node): Make sure to clear overflow flags
13157 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13159 Merge from gomp-branch.
13160 * config/sparc/sync.md: New file.
13161 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13162 UNSPECV_LDSTUB): New constants.
13163 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13164 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13165 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13168 2006-01-03 Roger Sayle <roger@eyesopen.com>
13170 * combine.c (reg_subword_p): New predicate to test whether the
13171 destination of a set refers to a subword/piece of a register.
13172 (try_combine): Generalize the code to merge the setting of a
13173 pseudo to a constant followed by a set of a subword of that
13174 register to a constant.
13176 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13178 * basic-block.h (control_flow_graph): Change the type of
13179 x_label_to_block_map to VEC(basic_block,gc) *.
13180 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13181 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13183 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13184 VEC(basic_block,heap) *.
13185 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13186 ssa_prop_fini): Adjust the uses of cfg_blocks.
13188 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13190 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13192 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13193 hashing trees instead of a pointer hash.
13194 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13195 compare for MEM_EXPR.
13197 PR rtl-optimization/25130
13198 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13199 when comparing MEMs for GCSE
13201 2006-01-03 Ben Elliston <bje@au.ibm.com>
13203 * targhooks.h (default_decimal_float_supported_p): Declare.
13204 * targhooks.c (default_decimal_float_supported_p): Define.
13205 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13206 `default_decimal_float_supported_p'.
13207 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13209 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13211 * combine.c (apply_distributive_law <SUBREG>): Check
13212 TRULY_NOOP_TRUNCATION.
13214 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13216 * dwarf2out.c (have_switched_text_section): Delete.
13217 (have_multiple_function_sections): New.
13218 (have_location_lists): Make 'bool'.
13219 (add_AT_loc_list): Use 'true' not '1'.
13220 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13221 (output_loc_list): Use have_multiple_function_sections.
13222 (output_ranges): Likewise.
13223 (dwarf2out_begin_function): Set have_multiple_function_sections if
13225 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13226 Check function_section rather than DECL_SECTION_NAME.
13227 (dwarf2out_finish): Use have_multiple_function_sections.
13228 Don't clear have_location_lists.
13230 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13231 Jan Hubicka <jh@suse.cz>
13233 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13234 case of conditional jump jumping to the next instruction.
13235 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13236 cases of conditional jump jumping to the next instruction.
13238 2006-01-02 Jan Hubicka <jh@suse.cz>
13240 * i386.c (*_cost): Add COSTS_N_INSNS.
13241 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13243 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13246 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13248 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13250 * config/arm/arm.c (all_fpus): Fix comment typo.
13251 * config/darwin.c: Likewise.
13252 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13253 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13254 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13256 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13258 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13259 (rs6000_split_compare_and_swapqhi): New.
13260 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13261 (sync_compare_and_swapqhi_internal): New.
13262 * config/rs6000/rs6000-protos.h: Declare.