1 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4 (convert_affine_scev, chrec_convert_aggressive): Use
5 avoid_arithmetics_in_type_p. Do not check for the subtypes
8 2006-07-17 Richard Sandiford <richard@codesourcery.com>
11 * optabs.c (expand_doubleword_shift): Wrap the call to
12 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
14 2006-07-17 Richard Sandiford <richard@codesourcery.com>
17 * optabs.c (expand_binop): Pass next_methods rather than methods
18 to expand_doubleword_shift.
20 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
23 * tree.h (dump_addr): Declare.
24 * print-tree.c (dump_addr): New function.
25 (print_node_brief, print_node): Use it.
26 * print-rtl.c (print_rtx): Likewise.
27 * common.opt (-fdump-noaddr): New option.
28 * doc/invoke.texi (-fdump-noaddr): Document.
29 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
30 (ve_info_hash): Likewise.
32 2006-07-13 Andrew Haley <aph@redhat.com>
34 PR tree-optimization/19505
35 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
36 edge leaving this block, make sure that the destination of this
37 block has only one predecessor.
39 2006-07-17 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/28238
42 * tree-inline.c (copy_bb): Check if we produced valid
43 gimple copying and substituting a stmt. If not, gimplify
46 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
48 * optabs.c (maybe_encapsulate_block): New function extracted from...
49 (emit_libcall_block): ...here. Invoke it on the block of insns to
50 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
51 (emit_no_conflict_block): Likewise.
53 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
55 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
57 2006-07-15 Roger Sayle <roger@eyesopen.com>
59 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
60 a new NOP_EXPR case of the switch statement.
62 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
65 * stor-layout.c (place_field): Take the bit field with
66 an excessive size into account in the ms-bitfiled case.
69 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
70 the previous bit field.
72 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
75 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
77 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
79 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
80 signal frames correctly even when the signal was installed with
83 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
85 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
86 (dbxout_function_end): Use local label LFBB. Remove hook
88 (dbxout_source_line): Use local label LFBB.
89 (dbxout_block): Likewise.
90 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
91 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
92 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
95 2006-07-13 Janis Johnson <janis187@us.ibm.com>
97 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
99 2006-07-13 Jan Hubicka <jh@suse.cz>
101 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
103 * output.h (align_variable): Declare.
104 * varasm.c (align_variable): Export.
105 * value-prof.c (tree_value_profile_transformations): Recompute iterator
106 when basic block changed.
108 2006-07-13 Nick Clifton <nickc@redhat.com>
110 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
111 walking the LOG_LINKS chain.
113 2006-07-12 Geoffrey Keating <geoffk@apple.com>
115 * doc/invoke.texi (C++ Dialect Options): Explain difference
116 between -fvisibility-inlines-hidden and setting hidden
117 visibility explicitly.
119 2006-07-12 Eric Christopher <echristo@apple.com>
121 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
122 (stmp-lipo): Depend on libgcc.a.
124 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
126 * tree.c: Fix a comment typo.
128 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
130 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
132 (umulhisi3_r): Likewise.
134 2006-07-12 Paolo Carlini <pcarlini@suse.de>
137 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
138 x < 19, vs wchar_t support.
140 2006-07-12 Nick Clifton <nickc@redhat.com>
142 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
145 2006-07-12 Mike Stump <mrs@apple.com>
147 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
149 2006-07-10 Eric Christopher <echristo@apple.com>
151 * config/t-slibgcc-darwin: Rewrite.
153 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
156 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
159 2006-07-08 Matthias Klose <doko@debian.org>
161 * doc/sourcebuild.texi: Fix typo.
163 2006-07-07 Mike Stump <mrs@apple.com>
165 * toplev.c (process_options): Don't give -ffunction-sections may
166 affect debugging warning for Mach-O.
168 2006-07-07 James E Wilson <wilson@specifix.com>
170 * config/mips/mips.md (cpu): Add sb1a.
171 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
172 addition to sb1. Adjust comments to clarify SB-1A differences from
174 (ir_sb1a_load): New. Modify bypasses to use it.
175 (ir_sb1a_simple_alu): Likewise.
176 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
177 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
178 (mips_issue_rate): Add PROCESSOR_SB1A.
179 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
180 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
181 (TARGET_SB1): Add PROCESSOR_SB1A check.
182 (TUNE_SB1): Likewise.
184 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
185 * config/mips/mips.c (mips_store_data_bypass_p): New.
186 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
189 2006-07-08 Paul Brook <paul@codesourcery.com>
192 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
194 2006-07-07 Richard Guenther <rguenther@suse.de>
197 * tree.h (build_one_cst): Declare.
198 * tree.c (build_one_cst): New function.
199 * tree-ssa-math-opts.c (get_constant_one): Remove.
200 (insert_reciprocals): Use build_one_cst.
201 * fold-const.c (fold_plusminus_mult): Likewise.
203 2006-07-07 Roger Sayle <roger@eyesopen.com>
205 * pointer-set.c (pointer_set_destroy): Correct whitespace.
206 * cfgloopanal.c (dump_graph): Likewise.
207 * dojump.c (discard_pending_stack_adjust): Likewise.
208 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
210 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
211 * function.c (finalize_block_changes): Likewise.
212 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
213 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
214 * rtl.c (dump_rtx_statistics): Likewise.
215 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
217 * varray.c (dump_varray_statistics): Likewise.
218 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
219 decode_decimal64, encode_decimal128, decode_decimal128,
220 decimal_real_to_decimal): Likewise.
222 2006-07-07 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/28187
225 * tree-vrp.c (vrp_operand_equal_p): New function.
226 (vrp_bitmap_equal_p): Likewise.
227 (update_value_range): Use them to compare old and new
230 2006-07-06 Roger Sayle <roger@eyesopen.com>
232 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
233 a default case to switch statement to silence compiler warnings.
235 2006-07-06 Roger Sayle <roger@eyesopen.com>
238 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
239 the configured assembler supports the x87's ffreep mnemonic.
240 * configure: Regenerate.
241 * config.in: Regenerate.
243 * config/i386/i386.c (output_387_ffreep): New function.
244 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
245 (output_387_reg_move): Likewise.
247 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
249 Port to hosts whose 'sort' and 'tail' implementations
250 treat operands with leading '+' as file names, as POSIX
251 has required since 2001. However, make sure the code still
252 works on pre-POSIX hosts.
253 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
254 which says you should use "tail -c +N" rather than "tail +Nc".
255 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
257 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
259 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
262 2006-07-06 David Edelsohn <edelsohn@gnu.org>
265 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
266 PRE_{INC,DEC} of TFmode.
268 2006-07-06 David Edelsohn <edelsohn@gnu.org>
269 Alan Modra <amodra@bigpond.net.au>
272 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
275 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
278 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
279 Remove duplicate gtu.
281 2006-07-05 Jason Merrill <jason@redhat.com>
285 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
286 * c-common.c (handle_packed_attribute): So don't copy it here.
287 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
289 2006-07-05 Mike Stump <mrs@apple.com>
291 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
293 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
296 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
298 2006-07-05 Richard Guenther <rguenther@suse.de>
301 * config/i386/i386.md (*negdf2_1): Restrict pattern to
302 TARGET_SSE2 targets if using SSE math.
303 (*absdf2_1): Likewise.
305 2006-07-05 Richard Guenther <rguenther@suse.de>
307 PR tree-optimization/28162
308 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
309 make sure to convert the operands to the correct type.
311 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
313 PR tree-optimization/28218
315 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
316 to calculate and free the dominator information.
318 2006-07-04 Peter O'Gorman <peter@pogma.com>
320 * mklibgcc.in: chmod 644 before ranlib during install.
322 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
323 J"orn Rennecke <joern.rennecke@st.com>
325 * configure.ac (.eh_frame data check): Use diff -b.
327 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
330 * Makefile.in (BUILD_RTL): Add build/vec.o.
331 (build/gencondmd.o): Filter out -fkeep-inline-functions.
332 (build/genextract): Delete.
333 (build/genautomata): Likewise.
335 2006-07-04 Alan Modra <amodra@bigpond.net.au>
338 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
339 128-bit IBM long doubles for ABI_V4.
341 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
343 * tree.c (range_in_array_bounds_p): New predicate.
344 * tree.h (range_in_array_bounds_p): Declare it.
345 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
346 return a less conservative answer.
347 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
349 (IS_ELEMENT_FOR_GROUP): New macro.
350 (FOR_EACH_ACTUAL_CHILD): Likewise.
351 (next_child_for_group): New helper function.
352 (can_completely_scalarize_p): Take into account groups.
353 (sra_hash_tree): Handle RANGE_EXPR.
354 (sra_elt_eq): Likewise.
355 (lookup_element): Be prepared for handling groups.
356 (is_valid_const_index): Delete.
357 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
358 instead of is_valid_const_index.
359 <ARRAY_RANGE_REF>: New case.
360 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
361 is_valid_const_index.
362 <ARRAY_RANGE_REF>: Do not unconditionally punt.
363 (scan_dump): Dump info for groups too.
364 (decide_instantiation_1): Likewise.
365 (decide_block_copy): Assert that the element is not a group.
366 Propagate decision to groups.
367 (generate_one_element_ref): Handle RANGE_EXPR.
368 (mark_no_warning): Iterate over actual childs.
369 (generate_copy_inout): Likewise.
370 (generate_element_copy): Likewise.
371 (generate_element_zero): Likewise.
372 (generate_element_init_1): Likewise.
373 (dump_sra_elt_name): Handle RANGE_EXPR.
375 2006-07-03 Roger Sayle <roger@eyesopen.com>
377 PR tree-optimization/26251
378 * tree-ssa-threadupdate.c (redirection_block_p): New function.
379 (thread_block): When optimizing for size refuse to thread jumps
380 that would require duplication of blocks other than redirection
383 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
385 * configure.ac: Fix thinko in previous check-in.
386 * configure: Regenerate.
388 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
391 * configure.ac (for lang...): Simplify nesting of conditionals.
392 Test subdir_requires for non-enabled languages. Move processing
393 of lang_opt_files and lang_tree_fiels below that test.
394 * configure: Regenerate.
395 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
397 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
399 * doc/gcov.texi (Invoking Gcov): Add a missing word.
401 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
403 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
406 2006-06-29 Jason Merrill <jason@redhat.com>
413 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
414 * c-common.c (c_determine_visibility): Handle it here.
415 * c-decl.c (finish_decl): Call c_determine_visibility for
417 * flags.h (enum symbol_visibility): Sort from most to least visibility.
419 * varasm.c (default_assemble_visibility): Likewise.
420 * c-common.c (handle_visibility_attribute): Complain about trying
421 to give visibility to an already defined class, or trying to change
422 declared visibility. Always attach the attribute.
427 * attribs.c (decl_attributes): Ignore type-in-place attributes
428 once the type has been defined.
430 2006-06-29 Roger Sayle <roger@eyesopen.com>
433 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
434 to indicate the cpplib has issued an error message for us.
436 2006-06-29 Asher Langton <langton2@llnl.gov>
439 * config/i386/i386.c (ix86_output_function_epilogue): Don't
440 insert a label at the end of an function under Mach-O.
442 2006-06-29 Eric Christopher <echristo@apple.com>
443 Evan Cheng <evan.cheng@apple.com>
445 * predicates.md (vector_all_ones_operand): New.
446 (nonimmediate_or_sse_const_operand): Ditto.
447 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
448 * config/i386/i386.c (standard_sse_constant_opcode): Define.
449 (standard_sse_mode_p): Ditto.
450 (standard_sse_constant_p): Add case for -1 vector.
451 (ix86_expand_vector_move): Try to use.
452 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
453 Call standard_sse_constant_opcode.
454 (*movv4sf_internal): Ditto.
455 (*movv2df_internal): Ditto.
457 2006-06-29 Roger Sayle <roger@eyesopen.com>
459 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
460 of XEXP to extract the operands of a MATCH_CODE rtx.
462 2006-06-28 Andrew Pinski <pinskia@gmail.com>
464 * tree.c (tree_size): Do not waste tail padding in
465 struct tree_string and make the size be the same as
466 build_string will generate.
468 2006-06-28 Jason Merrill <jason@redhat.com>
471 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
472 may_aliases already in the tag's annotations to the bitmap.
474 2006-06-28 Roger Sayle <roger@eyesopen.com>
476 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
478 2006-06-28 Roger Sayle <roger@eyesopen.com>
480 * genpreds.c (generate_switch_p): New function.
481 (add_mode_tests): Push the new mode test down inside an AND expr
482 if this allows the switch-suitable MATCH_CODE to be near the root.
483 (write_match_code_switch): New function to write a MATCH_CODE as
485 (write_predicate_stmts): New function to write a predicate RTX
486 expression as a sequence of statements.
487 (write_one_predicate_function): Use write_predicate_stmts.
488 (write_tm_constrs_h): Likewise.
490 2006-06-26 Fred Fish <fnf@specifix.com>
492 * config/mips/t-sb1: New file.
493 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
496 2006-06-26 DJ Delorie <dj@redhat.com>
498 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
500 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
501 Jayant Sonar <jayants@kpitcummins.com>
502 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
504 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
505 (subsi3, subsi3_1, subsi3_2): New.
506 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
507 * config/m32c/mov.md (SI mov peephole): New.
508 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
509 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
511 2006-06-26 Olivier Hainque <hainque@adacore.com>
513 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
514 a CALL_EXPR target function declaration.
516 2006-06-26 Richard Guenther <rguenther@suse.de>
518 * tree.c (build_string): Do not waste tail padding in
521 2006-06-26 Richard Guenther <rguenther@suse.de>
523 * ggc-page.c (init_ggc): Add missing element to size_lookup
527 2006-06-23 Richard Guenther <rguenther@suse.de>
529 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
530 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
531 alignment requests instead. Add verification code.
532 Add struct tree_function_decl and struct tree_binfo size to
533 extra_order_size_table. Add missing element to size_lookup
536 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
539 * fold-const.c (const_binop): Be prepared for self returning zero.
540 Simplify code handling complex values.
542 2006-06-24 Olivier Hainque <hainque@adacore.com>
544 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
545 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
548 2006-06-24 Olivier Hainque <hainque@adacore.com>
550 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
551 ARRAY_REF, so have the callback called for the low bound expression.
553 2006-06-23 Janis Johnson <janis187@us.ibm.com>
555 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
556 * c-typeck.c (c_common_type): Disallow operations on decimal float
557 types and other float types.
558 * convert.c (convert_to_real): Don't ignore conversions involving
561 2006-06-23 Olivier Hainque <hainque@adacore.com>
563 * tree.c (max_int_size_in_bytes): New function, inspired from
564 code in function.c:assign_temp.
565 * tree.h (max_int_size_in_bytes): Declare.
566 * function.c (assign_temp): Use it.
567 * gimplify.c (create_tmp_var): Relax the assertions on the type
568 properties, not mandating constant size any more.
569 (force_constant_size): New static function.
570 (gimple_add_tmp_var): Use it, forcing variable size to a
571 constant upper bound if it is not constant on entry.
573 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
576 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
577 for initialization and setting of one_only flag to ...
578 (i386_pe_encode_section_info): ...here.
579 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
580 Recheck that the symbol has not been defined.
582 2006-06-23 Richard Guenther <rguenther@suse.de>
584 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
585 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
586 alignment requests instead. Add verification code.
587 Add struct tree_function_decl and struct tree_binfo size to
588 extra_order_size_table. Add missing element to size_lookup
591 2006-06-22 Roger Sayle <roger@eyesopen.com>
592 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
595 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
596 call to lang_hooks.types.type_for_mode returned NULL_TREE.
598 2006-06-23 Ben Elliston <bje@au.ibm.com>
600 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
601 negate dn -- manipulate it directly.
603 2006-06-22 Roger Sayle <roger@eyesopen.com>
604 Steven Bosscher <stevenb.gcc@gmail.com>
607 * reload1.c (gen_reload): Call mark_jump_label on the new insns
608 generated by gen_move_insn to add REG_LABEL notes if necessary.
610 2006-06-22 Bob Wilson <bob.wilson@acm.org>
612 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
613 (leaf_entry): Remove use of MIN_ESA.
615 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
617 PR rtl-optimization/28121
618 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
621 2006-06-21 DJ Delorie <dj@redhat.com>
623 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
625 (mulhisi3_r): Likewise.
627 2006-06-21 Richard Sandiford <richard@codesourcery.com>
630 * coverage.c (coverage_counter_alloc): Leave the index type
632 (coverage_counter_alloc): Use null arguments for operands 2 and 3
635 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
637 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
638 section from the "Options for Code Generation Conventions".
640 2006-06-21 Richard Henderson <rth@redhat.com>
644 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
646 (global_symbolic_operand): Allow weak symbols, even if local_p.
648 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
650 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
651 (find_interesting_uses_address): Punt if above function returns true.
653 2006-06-21 Richard Guenther <rguenther@suse.de>
655 * configure: Regenerated.
657 2006-06-21 Joseph Myers <joseph@codesourcery.com>
659 * config/mips/mips.c (function_arg): Where one part of a
660 complex argument is in registers and the other part in the stack,
661 return a REG not a PARALLEL.
663 2006-06-21 Mark Mitchell <mark@codesourcery.com>
665 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
666 when cross-compiling. Do not substitute libstdcxx_incdir.
667 * configure: Regenerated.
669 2006-06-21 Jakub Jelinek <jakub@redhat.com>
671 * varasm.c (mergeable_string_section): Check for embedded NULs and
672 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
673 rather than TREE_STRING_LENGTH bytes.
675 2006-06-21 Richard Guenther <rguenther@suse.de>
677 * ggc-page.c (extra_order_size_table): Add var_ann_d,
678 tree_ssa_name, bitmap_element and phi_node with 4 arguments
681 2006-06-21 Richrad Guenther <rguenther@suse.de>
683 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
684 Limit iteration over the dominators.
686 2006-06-20 Roger Sayle <roger@eyesopen.com>
688 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
689 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
691 2006-06-20 Richard Guenther <rguenther@suse.de>
692 Michael Matz <matz@suse.de>
694 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
696 * alloc-pool.c (free_alloc_pool_if_empty): New function.
697 * et-forest.h (et_free_pools): Prototype new function.
698 * et-forest.c (et_free_tree_force): Free parent occurrence.
699 (et_free_pools): New function.
700 * dominance.c (free_dominance_info): Free et-forest alloc
703 2006-06-20 Roger Sayle <roger@eyesopen.com>
705 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
706 integer modes, attempt to directly construct an integer constant.
708 * fold-const.c (native_encode_vector): Determine the size of each
709 element from the vector type instead of the first vector element.
711 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
712 if all of its elements/components are constant.
713 (build_constructor_from_list): Likewise.
715 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
717 PR tree-optimization/27331
718 * tree-data-ref.c (free_data_ref): New function.
719 (create_data_ref): Fail if the data reference has unknown access
721 (free_data_refs): Use free_data_ref.
723 2006-06-19 Andrew Pinski <pinskia@gmail.com>
726 * tree-inline.c (setup_one_parameter): Strip useless
727 type conversion before adding it to the IR.
728 (declare_return_variable): Likewise.
730 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
733 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
735 2006-06-19 Mike Stump <mrs@apple.com>
737 * tree.c (variably_modified_type_p): VM arguments don't make the
740 2006-06-19 Richard Guenther <rguenther@suse.de>
742 * tree-ssa-pre.c (try_combine_conversion): Strip useless
743 type conversions after folding.
745 2006-06-19 Richard Guenther <rguenther@suse.de>
747 * ggc-page.c (extra_order_size_tab): Add entries with
748 size of struct function and basic_block.
749 (size_lookup): Extend to cover sizes up to 511.
750 (ggc_alloc_stat): Adjust user.
751 (ggc_pch_count_object): Likewise.
752 (ggc_pch_alloc_object): Likewise.
753 (ggc_pch_write_object): Likewise.
755 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
757 * tree-ssa-loop-niter.c (implies_ge_p): New function.
758 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
761 2006-06-19 Denis Chertykov <denisc@overta.ru>
763 * config/avr/libgcc.S : Correct my wrong previous commit.
765 2006-06-19 Roger Sayle <roger@eyesopen.com>
768 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
769 have stripped a SUBREG from the shift count, so we may need to
770 convert_to_mode back to the type's mode before calling make_tree.
771 Use new_amount instead of amount to avoid expanding a tree twice.
773 2006-06-19 Richard Guenther <rguenther@suse.de>
776 * fold-const.c (operand_equal_p): Check if the argument types
777 have the same precision before stripping NOPs.
779 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
781 Fix PR tree-optimization/27341
782 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
784 * tree-complex.c (pass_lower_complex): Update SMT usage.
786 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
788 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
789 Add a new alternative to the constraint strings. Add move of
790 operand 1 to 3 to the splitter definition.
791 ("doloop_si_long"): Second contraint alternative removed.
793 2006-06-08 Anatoly Sokolov <aesok@post.ru>
795 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
796 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
798 (AVR_HAVE_MOVW) Define.
799 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
800 (ASM_SPEC): Add avr25.
801 (LINK_SPEC): Add avr25.
802 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
803 (base_arch_s): Add new member 'have_movw_lpmx'.
804 (avr_arch_types): Init 'have_movw_lpmx'.
805 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
806 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
807 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
808 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
809 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
811 (avr_file_start): Do not output '.arh' derective.
812 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
813 (__do_copy_data): Use __AVR_HAVE_LPMX__.
814 * config/avr/avr.md (mcu_enhanced): Delete.
815 (mcu_have_movw): Define.
816 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
817 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
818 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
819 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
820 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
821 attiny861 and at86rf401 devices.
823 2006-06-18 Jie Zhang <jie.zhang@analog.com>
825 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
828 2006-06-17 Karl Berry <karl@gnu.org>
830 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
831 doc/gccint.texi, doc/install.texi (@dircategory): Use
832 "Software development" instead of "Programming", following
833 the Free Software Directory.
835 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
837 * config/i386/i386.c (legitimate_tls_address)
838 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
839 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
840 (*tls_dynamic_gnu2_combine_64): Likewise.
842 2006-06-16 Richard Guenther <rguenther@suse.de>
845 * fold-const.c (negate_expr_p): Do not introduce undefined
846 overflow in negating INTEGER_CSTs.
847 (fold_negate_expr): Rename from negate_expr. Revert last
848 change for folding BIT_NOT_EXPR. Change semantics to
849 return NULL_TREE for non-simplified negations. Do not
850 strip type conversions and unify type handling.
851 (negate_expr): New function, wrap around fold_negate_expr
852 but ensure building a tree always. Strip type conversions
853 here, fold to result type.
854 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
856 2006-06-16 Roger Sayle <roger@eyesopen.com>
859 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
860 that (would) return their results in stack registers.
862 2006-06-16 Michael Matz <matz@suse.de>
863 Richard Guenther <rguenther@suse.de>
865 * fold-const.c (fold_truthop): Only return new tree node if
866 we canonicalized something.
868 2006-06-16 Richard Guenther <rguenther@suse.de>
870 * function.h (enum function_frequency): Move declaration
871 out of struct function.
872 (struct function): Move bool fields and the enum to the bitfield
873 section. Reorder elements to avoid padding. Remove unused
874 fields left over from the RTL inliner removal.
875 * function.c (free_after_compilation): Do not zero removed fields.
876 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
877 (ipa-type-escape.o): Likewise.
879 2006-06-16 Richard Guenther <rguenther@suse.de>
881 * cgraph.h (struct cgraph_local_info): Turn bool elements
883 (struct cgraph_node): Likewise.
884 (struct cgraph_varpool_node): Likewise.
886 2006-06-15 Richard Guenther <rguenther@suse.de>
888 * fold-const.c (fold_truth_not_expr): Rename from
889 invert_truthvalue. Give it fold_* semantics to avoid
891 (invert_truthvalue): New function. Wrapper around
893 (optimize_minmax_comparison): Avoid creating garbage.
894 (fold_unary): Use fold_truth_not_expr for folding
896 (fold_ternary): Replace uses of invert_truthvalue with
897 fold_truth_not_expr where applicable.
898 * tree.h (fold_truth_not_expr): Prototype.
900 2006-06-16 Richard Guenther <rguenther@suse.de>
902 PR tree-optimization/27781
903 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
904 * ipa-pure-const.c (target.h): Include.
905 (analyze_function): Do not analyze functions that do not
908 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
911 * tree-dfa.c (referenced_vars_dup_list): Remove.
912 (find_referenced_vars): Remove assert.
913 (referenced_var_check_and_insert): Replace dup list with assert.
914 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
915 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
917 2006-06-15 Richard Guenther <rguenther@suse.de>
919 * tree-ssa-structalias.c (alias_get_name): Avoid creating
920 extra unused identifiers if not dumping.
921 (create_variable_info_for): Likewise.
923 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
925 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
926 (derive_constant_upper_bound): Derive more precise upper bound in
927 common cases. Return type changed to double_int.
928 (record_estimate): Reflect the changed return type of
929 derive_constant_upper_bound.
930 * double-int.c (double_int_zext, double_int_sext): Fix.
932 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
934 * configure.ac (CFLAGS): Get them from the toplevel or from the
935 configure invocation.
936 * configure: Regenerate.
937 * Makefile.in (CFLAGS): Substitute value provided by configure.
939 2006-06-14 Mark Mitchell <mark@codesourcery.com>
942 * c-common.h (c_finish_omp_atomic): Adjust declaration.
943 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
944 rather than calling add_stmt on it.
945 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
947 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
950 * reload1.c (reload): Remove registers returned by update_eliminables
951 from used_spill_regs.
953 2006-06-13 DJ Delorie <dj@redhat.com>
955 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
957 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
959 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
960 html__strip_dir, html__mkdir_p. Enhance install-html target.
961 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
962 * configure: Regenerate.
964 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
966 * fold-const.c (fold_cond_expr_with_comparison): Check for
967 Objective-C++ as language in deciding COND_EXPR transformation.
969 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
972 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
973 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
974 * config/sh/lib1funcs.h (SL, SL1): Define.
975 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
976 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
977 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
978 (OBJS_Os_4_200): New variable.
979 ($(T)libgcc-Os-4-200.a): Use it.
980 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
981 when dividing 1 and/or by 0.
983 2006-06-13 Roger Sayle <roger@eyesopen.com>
985 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
986 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
987 * configure: Regenerate.
989 2006-06-13 Jie Zhang <jie.zhang@analog.com>
991 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
992 for real instruction.
994 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
997 * haifa-sched.c (check_cfg): Handle special case.
999 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1002 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1003 Add debug_info parameter. Chain the vars to the BLOCK instead
1004 of the BIND_EXPR if debug info are requested for them.
1005 (pop_gimplify_context): Adjust for above change.
1006 (gimple_add_tmp_var): Likewise.
1007 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1009 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1010 (convert_local_reference): Likewise.
1011 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1012 (finalize_nesting_tree_1): Request that debug info be emitted
1013 for debug_var_chain.
1015 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1017 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1018 for PR target/27863.
1020 2006-06-13 Richard Guenther <rguenther@suse.de>
1023 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1025 2006-06-13 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/27830
1028 * tree-inline.c (copy_body_r): For copying the operand
1029 of an ADDR_EXPR make sure to fold &* afterwards.
1031 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1033 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1034 lvalues in the fb_none case with side-effects.
1036 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1038 * tree-flow.h: Remove the prototype for
1039 compute_phi_arg_on_exit.
1040 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1041 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1044 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1046 * builtins.c (expand_builtin_return_addr): Only use
1047 frame_pointer_rtx when count == 0 and we are expanding
1048 __builtin_return_address.
1050 2006-06-12 Fred Fish <fnf@specifix.com>
1052 * config/mips/mips.c (mips_file_start): Create special section
1053 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1055 2006-06-11 Eric Christopher <echristo@apple.com>
1058 * stor-layout.c (place_field): Remove check for
1059 remaining_in_alignment when aligning at the end of a run.
1061 2006-06-11 Eric Christopher <echristo@apple.com>
1064 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1067 2006-06-11 Roger Sayle <roger@eyesopen.com>
1070 Revert incorrect fix for PR target/27158
1071 2006-05-08 Roger Sayle <roger@eyesopen.com>
1072 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1073 of a reg_equiv_constant if the result is a legitimate constant.
1075 2006-06-11 Roger Sayle <roger@eyesopen.com>
1078 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1079 extract a CONST_VECTOR element and interpret it as an integer.
1080 (vspltis_constant): Use const_vector_elt_as_int instead of the
1081 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1082 * config/rs6000/predicates.md (easy_vector_const): Consider
1083 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1085 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1088 * stor-layout.c (update_alignment_for_field): Don't add extra
1089 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1092 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1094 * config/mips/t-rtems: Add EL/EB multilib variants.
1096 2006-06-09 Mike Stump <mrs@apple.com>
1098 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1100 2006-06-09 David Daney <ddaney@avtrex.com>
1102 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1104 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1106 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1108 2006-06-09 Richard Guenther <rguenther@suse.de>
1110 PR tree-optimization/26998
1111 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1112 of signed types, only TYPE_MIN_VALUE is special, but for both,
1113 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1114 in this case, as is -fwrapv.
1116 2006-06-08 Mike Stump <mrs@apple.com>
1119 * config/darwin.c (darwin_asm_output_anchor): Disable
1120 -fsection-anchors on darwin for now.
1121 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1122 * rs6000/rs6000.c (optimization_options): Likewise.
1124 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1127 * config/i386/i386.c (classify_argument): Skip fields with invalid
1130 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1132 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1133 (cse_insn): Likewise for the stack_pointer_rtx.
1135 2006-06-08 Roger Sayle <roger@eyesopen.com>
1137 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1138 conditions from floating point comparisons.
1140 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1143 * expmed.c (struct alg_hash_entry): Fix type of field T
1144 to match synth_mult argument.
1145 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1147 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1150 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1153 2006-06-08 Richard Guenther <rguenther@suse.de>
1156 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1157 only, if overflow is defined and not trapping.
1158 (negate_expr): Likewise.
1160 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1162 PR tree-optimization/27872
1163 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1164 flag on the new exit edge of the unrolled loop.
1166 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1168 PR rtl-optimization/26449
1169 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1171 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1174 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1175 referenced_variables with matching DECL_UID's.
1176 (find_referenced_vars): Make sure duplicate list is empty to start.
1177 (referenced_var_p): Remove.
1178 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1179 Check if var is in the list, and add if needed. Update the duplicate
1180 list if a different var is in the list with the same DECL_UID.
1181 (add_referenced_var): Call routine to check and insert.
1182 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1183 * tree-flow.h (referenced_vars_dup_list): External declaration.
1185 2006-06-07 Fred Fish <fnf@specifix.com>
1187 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1190 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1193 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1194 the imaginary and real parts of a clobbered register.
1195 Emit insn to set the imaginary part.
1197 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1199 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1200 in lieu of unwind-dw2-fde.c.
1202 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1204 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1206 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1209 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1210 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1211 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1212 V4SImode temporaries and operations instead.
1214 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1216 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1219 2006-06-06 Mike Stump <mrs@apple.com>
1221 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1222 installing during build.
1224 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1226 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1228 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1229 * config/ia64/ia64.c (params.h): New header.
1230 (ia64_optimization_options): New function to adjust parameters.
1231 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1232 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1233 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1235 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1237 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1239 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1242 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1244 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1245 Victor Kaplansky <victork@il.ibm.com>
1247 PR tree-optimization/26360
1248 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1251 2006-06-04 Roger Sayle <roger@eyesopen.com>
1252 Andrew Pinski <pinskia@physics.uc.edu>
1255 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1256 for LABEL_DECL before calling DECL_WEAK.
1259 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1260 LABEL_DECL and PARM_DECL.
1262 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1266 * c-decl.c (grokdeclarator): Disallow variably modified types at
1267 file scope. Avoid marking shared array type of constant size as
1270 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1273 * c-common.c (fold_offsetof_1): Handle static members.
1275 2006-06-04 Eric Christopher <echristo@apple.com>
1277 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1278 (debug_rli): Output value for remaining_in_alignment.
1279 (update_alignment_for_field): Unconditionalize
1280 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1281 extra alignment code.
1282 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1283 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1284 * tree.h (record_layout_info_s): Remove prev_packed.
1285 * doc/extend.texi (ms_struct): Add documentation of format.
1287 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1289 * tree.h: Declare folding_initializer.
1290 * builtins.c (fold_builtin_constant_p): Give definite answer
1291 if folding inside an initializer.
1292 * fold-const.c: Define folding_initializer.
1293 (START_FOLD_INIT): Save and then set folding_initializer.
1294 (END_FOLD_INIT): Restore folding_initializer.
1296 2006-06-04 Richard Guenther <rguenther@suse.de>
1298 PR tree-optimization/27039
1299 * fold-const.c (fold_comparison): Handle pointer comparison
1300 again for all comparison codes. Compare offsets in signed
1302 (fold_binary): Move code from here.
1304 2006-06-03 Roger Sayle <roger@eyesopen.com>
1307 * config/i386/i386.c (construct_container): Split static issued_error
1308 flag into issued_sse_arg_error, issued_sse_ret_error and
1309 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1310 requires the use of x87 registers and the user explicitly
1311 specified the -mno-80387 command line option.
1313 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1315 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1316 HAVE_DECL_SIGALTSTACK.
1318 (segv_handler): Use MC_FLD.
1319 * configure.ac: Check for a sigaltstack declaration.
1320 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1321 * configure: Regenerate.
1322 * config.in: Regenerate.
1324 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1327 * Makefile.in (stmp-fixinc): Fix typo.
1329 2006-06-02 Roger Sayle <roger@eyesopen.com>
1331 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1332 are type correct. Clean-up.
1333 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1334 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1336 2006-06-01 DJ Delorie <dj@redhat.com>
1338 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1339 shift, as we've disabled the "switch" insn that needs it.
1341 2006-06-01 Per Bothner <bothner@bothner.com>
1343 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1344 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1345 * c-ppoutput.c (cb_define): Don't increment line 0.
1347 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1349 * doc/invoke.texi: Add cpu_type power6.
1350 * config.gcc: Add cpu_type power6.
1351 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1352 to power5+ with Altivec.
1353 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1354 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1356 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1358 * config/avr/avr.h (SET_ASM_OP): Define.
1360 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1362 * config/bfin/bfin.c: Fix comment typos.
1364 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1367 * doc/install.texi: Document --enable-bootstrap and
1368 --disable-bootstrap.
1370 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1372 * doc/install.texi: Document that InfoZIP can replace jar.
1374 2006-05-31 Roger Sayle <roger@eyesopen.com>
1376 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1377 isn't available, directly generate the simpler x87 patterns without
1378 the (use (const_int 0)).
1379 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1380 implementation isn't available.
1381 (*negdf2_1): Likewise.
1382 (*negxf2_1): XF mode negation is always done using the x87.
1383 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1385 2006-05-31 Roger Sayle <roger@eyesopen.com>
1387 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1388 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1390 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1392 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1394 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1395 * config/bfin/bfin.c (basic-block.h): Include.
1396 (struct machine_function): New.
1397 (bfin_init_machine_status): New.
1398 (override_options): Initialize init_machine_status.
1399 (bfin_hardware_loop): New.
1400 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1401 (DEF_VEC_P (loop_info)): New.
1402 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1403 (struct loop_info): New.
1404 (loop_info): New typedef.
1405 (struct loop_work): New.
1406 (loop_work): New typedef.
1407 (DEF_VEC_O (loop_work)): New.
1408 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1409 (bfin_dump_loops): New.
1410 (bfin_bb_in_loop): New.
1411 (bfin_scan_loop): New.
1412 (bfin_optimize_loop): New.
1413 (bfin_reorg_loops): New.
1414 (bfin_reorg): Use bfin_reorg_loops.
1415 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1417 (I_REGNO_P): Simplify.
1418 (DP_REGNO_P, DPREG_P): New macros.
1419 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1420 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1421 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1422 Add LT_REGS, LC_REGS, LB_REGS.
1423 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1425 (REGNO_REG_CLASS): Deal with loop registers.
1426 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1428 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1429 New constants for loop registers.
1430 (UNSPEC_LSETUP_END): New.
1431 (seq_insns): New define_attr. Set it for appropriate insns.
1432 (movsi_insn): Add alternatives for move from/to
1433 loop count registers.
1434 (doloop_end): New define_expand.
1435 (loop_end): New define_insn.
1436 (define_split for bad doloop_end): New.
1437 (lsetup_with_autoinit): New define_insn.
1438 (lsetup_without_autoinit): New define_insn.
1439 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1440 * config/bfin/predicates.md (lc_register_operand): New.
1441 (lt_register_operand): New.
1442 (lb_register_operand): New.
1443 (nondp_register_operand): New.
1444 (nondp_reg_or_memory_operand): New.
1445 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1447 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1449 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1450 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1452 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1454 * Makefile.in (CATALOGS): Add po/ prefix.
1455 * configure: Regenerated.
1457 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1460 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1461 a shift operand before calling shift_op. Avoid redundant call of
1464 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1465 DJ Delorie <dj@redhat.com>
1467 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1468 we're inserting is a singlt-bit constant.
1470 2006-05-30 Roger Sayle <roger@eyesopen.com>
1472 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1473 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1475 2006-05-30 Roger Sayle <roger@eyesopen.com>
1477 PR tree-optimization/23452
1478 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1479 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1480 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1481 complex values and with -ffast-math for FP complex values.
1483 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1485 * c-common.h: Remove the prototype for yyparse.
1486 * rtl.h: Remove the prototype for init_loop.
1488 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1490 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1493 2006-05-30 Roger Sayle <roger@eyesopen.com>
1495 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1497 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1498 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1500 2006-05-30 Dirk Mueller <dmueller@suse.de>
1503 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1504 for CONSTANT_CLASS_P expresisons.
1506 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1509 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1511 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1513 PR tree-optimization/27779
1514 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1515 initial_condition instead of CHREC_LEFT.
1517 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1519 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1520 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1521 Make prototypes ISO C90.
1523 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1524 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1526 * see.c (see_analyze_one_def): Correct check.
1527 (see_get_extension_data): Check if extension is parallel.
1528 (see_get_extension_reg): Likewise.
1530 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1533 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1534 into register for (code == GTU).
1536 2006-05-29 Roger Sayle <roger@eyesopen.com>
1538 PR tree-optimization/24964
1539 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1540 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1541 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1542 abs(x)*abs(x) as x*x for scalar floating point modes.
1544 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1547 * lambda-code.c (perfect_nestify): Don't copy statements
1548 in the inner loop: move them to the inner loop header.
1550 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1553 * c-tree.texi: Document OpenMP directives and clauses.
1555 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1557 * varasm.c (globalize_decl): Fix indentation.
1559 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1562 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1563 pass_fre, pass_store_ccp, pass_copy_prop,
1564 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1565 pass_return_slot, pass_object_size, pass_lim,
1566 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1567 pass_loop_prefetch and pass_stdarg.
1569 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1571 * config/bfin/bfin.opt (mfdpic): New option.
1572 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1573 (EXTRA_MULTILIB_PARTS): Likewise.
1574 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1575 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1577 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1578 (CRT_CALL_STATIC_FUNCTION): New.
1579 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1581 (CRT_CALL_STATIC_FUNCTION): New.
1582 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1584 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1585 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1586 (initialize_trampoline): Changed to handle FD-PIC code generation.
1587 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1588 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1589 (override_options): Disallow -mid-shared-library -mfdpic combination.
1590 Can't do unaligned ops if FD-PIC.
1591 Turn off flag_pic if trying to generate non-id-shared-library
1592 non-fdpic code, since it's not supported.
1593 (bfin_assemble_integer): New function.
1594 (TARGET_ASM_INTEGER): Define.
1595 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1597 * config/bfin/crtn.s: Restore them.
1598 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1600 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1601 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1602 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1603 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1604 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1606 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1607 FDPIC_REGS and FDPIC_FPTR_REGS.
1608 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1609 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1610 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1611 (load_funcdescsi): New pattern.
1612 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1613 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1614 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1616 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1618 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1621 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1623 * tree-flow.h: Remove the prototype for add_type_alias.
1624 * tree-ssa-alias.c (add_type_alias): Remove.
1626 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1628 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1629 config/fr30/fr30.md, config/i386/i386-interix.h,
1630 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1631 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1632 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1633 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1634 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1635 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1636 Follow spelling conventions.
1637 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1638 Follow spelling conventions.
1640 2006-05-27 Richard Guenther <rguenther@suse.de>
1643 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1644 to produce a constant of value 1 of generic type.
1646 2006-05-27 Dirk Mueller <dmueller@suse.de>
1648 * cgraphunit.c (decide_is_function_needed): Fix wrong
1651 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1653 PR rtl-optimization/27661
1654 * reload.c (find_reloads): When reloading a VOIDmode constant
1655 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1656 use Pmode as mode of the reload register.
1658 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1660 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1661 is enabled at -O and above.
1663 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1666 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1669 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1672 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1673 for anonymous variables explicitly declared by front ends.
1675 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1677 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1678 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1679 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1680 ref-all pointers, run a finalization pass for them.
1681 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1682 (finalize_ref_all_pointers): New function.
1683 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1684 regular pointer type to a ref-all pointer type.
1685 (get_tmt_for): Return the special memory tag for ref-all pointers.
1687 2006-05-25 Richard Guenther <rguenther@suse.de>
1690 * fold-const.c (fold_binary): Do not look at the stripped
1691 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1693 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1695 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1696 for LT and GT if the computed range is effectively empty.
1698 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1701 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1702 mips_quad_format formats instead of ieee_single_format,
1703 ieee_double_format and ieee_quad_format formats, respectively.
1705 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1707 PR tree-optimization/27639
1708 PR tree-optimization/26719
1709 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1710 call to scev_probably_wraps_p.
1711 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1712 used_in_pointer_arithmetic_p, convert_step): Removed.
1713 (nowrap_type_p): New function.
1714 (scev_probably_wraps_p): Rewritten.
1715 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1716 chrec_convert if chrec_convert_aggressive might have been used.
1717 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1718 scev_direction): New functions.
1719 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1720 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1721 instead of convert_step.
1722 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1723 (convert_step): Declaration removed.
1724 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1726 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1728 * df-core.c: Added to header comments.
1729 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1730 df_ur_bb_info, df_urec_bb_info): Added comments.
1731 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1732 urec, ri problems): Fixed header comments.
1733 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1734 code from df_rd_transfer_function.
1736 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1738 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1739 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1740 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1742 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1744 * expr.c (undefined_operand_subword_p): New.
1745 (emit_move_multi_word): Do not generate move from undefined bits
1746 of a paradoxical subreg.
1748 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1750 PR rtl-optimization/27736
1751 * combine.c (replaced_rhs_value): New variable.
1752 (combine_instructions): Set it.
1753 (distribute_notes): When distributing a note in replaced_rhs_insn,
1754 check whether the value was used in replaced_rhs_value.
1756 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1759 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1760 add_referenced_var instead of add_referenced_tmp_var.
1761 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1762 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1764 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1765 tree_optimize_tail_calls_1): Use add_referenced_var.
1766 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1767 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1768 Use add_referenced_var.
1769 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1770 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1771 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1772 Use add_referenced_var.
1773 * tree-dfa.c (struct walk_state): Remove.
1774 (find_referenced_vars): Remove walk state and vars_found hash table.
1775 (make_rename_temp): Use add_referenced_var.
1776 (find_vars_r): Pass less parameters to add_referenced_var.
1777 (referenced_var_p): New. Is var in referenced_var hash table.
1778 (referenced_var_insert): Assert var isn't already in hash table.
1779 (add_referenced_var): Don't need walk_state parameter. Add var if it
1780 isn't already in the hash table.
1781 (add_referenced_tmp_var): Remove.
1782 (find_new_referenced_vars_1): Use add_referenced_var.
1783 * tree-ssa-pre.c (create_expression_by_pieces,
1784 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1785 Use add_referenced_var.
1786 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1787 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1788 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1790 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1791 vect_create_data_ref_ptr, vect_create_destination_var,
1792 vect_init_vector, vect_build_loop_niters,
1793 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1794 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1795 Use add_referenced_var.
1796 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1797 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1798 (add_referenced_var): Add prototype.
1799 * tree-ssa-structalias.c (get_constraint_for,
1800 intra_create_variable_infos): Use add_referenced_var.
1802 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1804 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1805 big-endian paradoxical subregs.
1806 * var-tracking.c (struct micro_operation_def): Document that,
1807 for modify micro operations, insn is the subsequent instruction.
1808 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1809 (var_reg_set, var_mem_set): ... new functions.
1810 (add_stores): Record subsequent insn.
1811 (compute_bb_dataflow): Use new functions for MO_USE.
1812 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1813 notes after the insn, and modify notes before the insn known
1814 to be the subsequent one.
1815 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1817 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1820 * config/i386/i386.c (ix86_expand_builtin): Use
1821 gen_sse3_monitor64 for TARGET_64BIT.
1823 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1825 PR rtl-optimization/26375
1826 PR rtl-optimization/26855
1827 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1829 (df_ru_bb_local_compute): Reversed statements and removed bogus
1830 comment explaining why they should be in wrong order.
1831 (df_ru_dump, df_rd_dump): Enhanced debug info.
1832 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1834 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1835 reaching uses and fixed space problem.
1837 2006-05-23 Jan Hubicka <jh@suse.cz>
1839 * cgraphunit.c (decide_is_function_needed): Also nested functions
1840 and functions declared inline can be optimized out at -O0.
1842 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1844 * doc/install.texi (Configuration): Remove reference to CrossGCC
1848 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1851 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1852 ix86_compare_emitted is non-NULL.
1854 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1857 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1860 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1862 PR rtl-optimization/25514
1863 * combine.c (replaced_rhs_insn): New variable.
1864 (combine_instructions): Set replaced_rhs_insn when trying to replace
1865 a SET_SRC with a REG_EQUAL note.
1866 (distribute_notes): Use replaced_rhs_insn when determining the live
1867 range of a REG_DEAD register.
1869 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1870 Anatoly Sokolov <aesok@post.ru>
1872 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1873 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1874 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1875 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1876 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1877 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1878 at90usb647, at90usb1286 and at90usb1287 devices.
1879 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1880 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1882 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1884 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1886 2006-05-22 Richard Guenther <rguenther@suse.de>
1889 2006-01-31 Richard Guenther <rguenther@suse.de>
1890 Paolo Bonzini <bonzini@gnu.org>
1892 * doc/install.texi (--disable-libgcc-math): Document.
1894 2006-05-22 Richard Guenther <rguenther@suse.de>
1897 2006-01-31 Richard Guenther <rguenther@suse.de>
1899 * doc/invoke.texi (-msselibm): Document.
1900 * target.h (expand_library_builtin): New target hook.
1901 * builtins.c (expand_builtin): Use expand_library_builtin.
1902 (default_expand_library_builtin): New function.
1903 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1904 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1905 (link_gcc_math_spec): Declare.
1906 (static_specs): Add link_gcc_math_spec.
1907 * expr.h (default_expand_library_builtin): Declare.
1908 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1909 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1910 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1911 * config/i386/i386.opt (msselibm): New target option.
1912 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1913 (ix86_init_sse_abi_builtins): New function.
1914 (ix86_expand_library_builtin): Likewise.
1915 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1916 (override_options): Handle error conditions wrt -msselibm.
1917 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1918 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1919 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1922 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1925 * c-common.c (self_promoting_args_p): Skip erroneous args.
1928 * c-decl.c (finish_struct): Skip erroneous fields.
1930 2006-05-22 Nick Clifton <nickc@redhat.com>
1932 * config/cris/cris.opt (march): Remove VarExists attribute.
1933 (max-stackframe=): Likewise.
1935 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1937 * doc/rtl.texi: Fix a typo.
1938 * see.c: Fix comment typos.
1940 * tree-ssa-structalias.h (alias_info): Remove num_references.
1942 2006-05-21 Mike Stump <mrs@apple.com>
1944 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1946 (darwin_pragma_options): Use BAD instead.
1947 (darwin_pragma_unused): Likewise.
1948 (darwin_pragma_ms_struct): Likewise.
1950 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1952 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1954 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1956 PR rtl-optimization/27671
1957 * simplify-rtx.c (simplify_relational_operation_1): Fix
1958 simplifications of (eq/ne (xor x y) y) and
1959 (eq/ne (xor x y) x).
1961 PR tree-optimization/26622.
1962 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1965 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1967 * tree-cfg.c: Prune whitespace.
1968 (debug_tree_cfg): Point to correct header containing the
1971 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1974 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1976 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1979 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1980 or sorry count is non zero.
1982 2006-05-20 Andreas Schwab <schwab@suse.de>
1984 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1986 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1987 Kenneth Zadeck <zadeck@naturalbridge.com>
1989 PR rtl-optimization/26855
1991 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1993 (df_scan_alloc): Added code to properly handle multiword hard
1994 registers and add all_blocks parameter.
1995 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1996 code to properly handle multiword hard registers.
1997 (df_rescan_blocks): Added code to remove deleted blocks from
1999 (df_ref_create_structure, df_ref_record): Added code to properly
2001 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2002 and set DF_REF_PARTIAL.
2003 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2004 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2005 (df_scan_add_problem): Added flags parameter.
2006 (df_ref_create_structure): Changed switching structure.
2007 (df_bb_refs_record): Fixed case where duplicate artificial refs
2008 were created. Changed location of flags.
2009 (df_record_entry_block_defs): Added code to make stack pointer
2010 live in entry block. Refined cases where frame pointer is needed.
2011 Changed location of flags.
2012 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2013 (df_set_state): Removed function.
2014 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2015 df_insn_create_insn_record, df_insn_refs_delete,
2016 df_ref_create_structure): Formatting changes.
2017 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2018 df_delete_basic_block): New function.
2019 (df_init): Changed location of flags.
2020 (df_add_problem): Added flags parameter and the way flags are
2022 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2023 debug_df_chain): Improved debugging output.
2024 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2025 (df_refs_chain_dump): Removed df parameter.
2026 (df_iterative_dataflow): Added consistency check.
2027 (df_prune_to_subcfg): Made public.
2028 (df_analyze_problem): Added blocks_to_init parameter and made
2030 (df_ref_record, df_bb_refs_record, df_mark_reg,
2031 df_record_exit_block_uses): Whitespace changes.
2032 (df_dump): Whitespace changes.
2033 * df.h: Some reordering to remove forward references.
2034 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2035 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2036 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2037 (dataflow.flags): New field.
2038 (df.flag): Deleted field.
2039 (df_alloc_function): Added additional bitmap parameter.
2040 (df_dependent_problem_function): New type.
2041 (df_problem.changeable_flags): New field.
2042 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2043 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2044 (df_mw_hardreg): New struct.
2045 (DF_INSN_UID_MWS): New macro.
2046 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2048 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2049 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2050 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2051 (df_set_state): Removed function.
2052 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2053 * df-problems.c (df_chain_dump): Removed df parameter.
2054 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2055 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2057 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2058 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2059 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2060 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2061 DF_REF_MUST_CLOBBER cases.
2062 (df_ru_bb_local_compute_process_def,
2063 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2064 df_lr_bb_local_compute, df_ur_bb_local_compute,
2065 df_chain_create_bb): Made subreg aware.
2066 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2067 df_lr_bb_local_compute, df_lr_bb_local_compute,
2068 df_chain_create_bb): Cleanup to use proper macros.
2069 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2070 code to fixup bitvectors.
2071 (df_ri_alloc): Cleared lifetime.
2072 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2073 df_create_unused_note): New function.
2074 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2075 REG_DEAD and REG_UNUSED notes as well as register information.
2076 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2077 df_chains_dump): Fixed crash if problem was never run.
2078 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2079 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2080 df_ri_add_problem): Processes flags in uniform manner.
2081 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2082 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2083 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2084 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2085 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2086 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2087 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2088 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2089 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2090 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2091 * see.c (see_initialize_data): Ditto.
2092 * final.c (rest_of_clean_state) Added regstack_completed.
2093 * rtl.h (regstack_completed): Ditto.
2094 * reg-stack.c (regstack_completed): Ditto.
2096 2006-05-19 Mike Stump <mrs@apple.com>
2098 * c-tree.h (default_conversion): Remove.
2099 * c-common.h (default_conversion): Add.
2101 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2103 * tree-vrp.c (valid_value_p): New function.
2104 (adjust_range_with_scev): Fail if the value of bound is not
2107 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2109 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2110 (mips_fallback_frame_state): Use syscall numbers to determine
2111 the appropriate li instruction for the current ABI. Only use
2112 __NR_sigreturn for o32.
2114 2006-05-19 Nicolas Setton <setton@adacore.com>
2116 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2117 * langhooks.c (lhd_dwarf_name): New function.
2118 * langhooks-def.h (lhd_dwarf_name): Declare.
2119 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2120 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2121 * ada/misc.c (gnat_dwarf_name): New function.
2122 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2124 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2126 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2128 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2129 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2130 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2131 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2132 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2133 determine the size of Wtype, etc.
2134 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2135 (swfloatfuncs): New variable.
2136 (dwfloatfuncs): Likewise.
2137 (lib2funcs): Remove floating-point conversion functions from
2138 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2139 the set of conversion routines needed. Allow entries to specify
2140 an object name, filename and word size. Update users accordingly.
2141 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2142 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2146 2006-02-08 Roger Sayle <roger@eyesopen.com>
2149 * config/fixtfdi.c: New libgcc source file.
2150 * config/fixunstfdi.c: New source file.
2151 * config/floatditf.c: New source file.
2152 * config/floatunditf.c: New souce file.
2153 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2154 files above instead of config/mips/_tilib.c.
2155 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2157 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2159 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2160 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2162 2006-05-18 Mike Stump <mrs@apple.com>
2164 Fix up vla, vm and [*] sematics.
2170 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2171 (c_vla_unspec_p): Add.
2172 (c_vla_type_p): Add.
2173 * c-decl.c (struct c_scope): Add had_vla_unspec.
2174 (build_array_declarator): Add support for [*].
2175 (grokdeclarator): Likewise.
2176 (grokparms): Likewise.
2177 (get_parm_info): Likewise.
2178 * c-objc-common.c (c_vla_unspec_p): Likewise.
2179 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2180 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2181 typeof when argument is a variably modified type not inside sizeof or alignof.
2182 (c_parser_direct_declarator_inner): Propagate errors.
2183 (c_parser_sizeof_expression): Add support for [*].
2184 (c_parser_parms_declarator): Initialize had_vla_unspec.
2185 (c_parser_parms_list_declarator): Likewise.
2186 * c-typeck.c (c_vla_type_p): Add.
2187 (composite_type): Add support for vla compositing.
2188 (comptypes_internal): Add support for vla compatibility.
2189 (c_expr_sizeof_expr): Evaluate vla arguments.
2190 * tree.c (variably_modified_type_p): Update comment for [*].
2192 2006-05-18 Michael Matz <matz@suse.de>
2195 * config.host: Make assignments to host_xmake_file cumulative.
2196 * config.host (*-darwin*): Test $host, not $target.
2198 2006-05-12 Stuart Hastings <stuart@apple.com>
2200 * config/i386/i386.opt (-mstackrealign): New flag.
2201 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2202 (ix86_handle_cconv_attribute): Emit error when
2203 force_align_arg_pointer attribute collides with too many regparms.
2204 (ix86_function_regparm): Limit regparms when used with
2205 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2206 Support stack-realigning prologue in non-main functions. Emit
2207 warning for nested functions under -mstackrealign, emit error for
2208 nested functions with force_align_arg_pointer attribute.
2209 * doc/extend.texi (force_align_arg_pointer): Document it.
2210 * doc/invoke.texi (-mstackrealign): Document it.
2212 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2214 PR rtl-optimization/27477
2215 * combine.c (try_combine): Don't split a parallel consisting
2216 of two sets into two individual sets if both sets reference
2219 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2221 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2222 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2224 * doc/options.texi (VarExists): Updated.
2226 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2228 * unwind-dw2.c: Add declarations for uw_update_context and
2230 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2231 detected, advance frame state and context once to skip over stub.
2233 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2237 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2238 Call rewrite_into_loop_closed_ssa only when something changed.
2239 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2240 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2241 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2242 Test for perfect_nest_p here. Fix formating.
2243 (replace_uses_equiv_to_x_with_y): Fix formating.
2244 (stmt_uses_op): Removed.
2245 (can_convert_to_perfect_nest): Removed loopivs parameter.
2246 Complete the test by checking the scalar dependences.
2247 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2250 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2253 From Dan Kegel <dank@kegel.com>:
2254 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2256 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2258 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2259 if the element type is variably modified without recursing.
2261 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2264 * tree-loop-linear.c (try_interchange_loops): Test for
2265 no data dependences.
2267 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2269 PR tree-optimization/27548
2270 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2271 range of ssa names that appear on abnormal edges.
2272 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2273 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2275 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2278 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2280 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2283 * tree.h (OMP_PARALLEL_COMBINED): Define.
2284 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2285 (new_omp_context): Add is_combined_parallel argument.
2286 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2287 new_omp_context caller.
2288 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2289 Adjust gimplify_scan_omp_clauses callers.
2290 (omp_is_private): Issue errors if iteration variable is firstprivate
2291 or reduction in the current context.
2292 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2293 on combined parallel workshare constructs.
2295 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2297 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2298 (gcc-options.o): New rule.
2300 * optc-gen.awk: Protect variables for gcc-options.o with
2301 #ifdef GCC_DRIVER/#endif.
2303 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2305 Fix PR tree-optimization/27373
2306 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2307 (forward_propagate_addr_expr): Update call.
2309 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2311 * doc/options.texi: Move the Negative option.
2313 2006-05-16 Richard Guenther <rguenther@suse.de>
2315 PR tree-optimization/22303
2316 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2318 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2319 ccp_fold did not simplify the statement.
2321 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2324 * Makefile.in (GCC_OBJS): New.
2325 (OBJS-common): Add opts-common.o.
2326 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2327 (cpp$(exeext)): Likewise.
2328 (gcc.o): Also depend on opts.h.
2329 (opts-common.o): New.
2331 * common.opt (gcoff): Add Negative(gdwarf-2).
2332 (gdwarf-2): Add Negative(gstabs).
2333 (gstabs): Add Negative(gstabs+).
2334 (gstabs+): Add Negative(gvms).
2335 (gvms): Add Negative(gxcoff).
2336 (gxcoff): Add Negative(gxcoff+).
2337 (gxcoff+): Add Negative(gcoff).
2338 * config/i386/i386.opt (m32): Add Negative(m64).
2339 (m64): Add Negative(m32).
2341 * doc/options.texi: Document the Negative option.
2343 * gcc.c: Include "opts.h".
2344 (main): Call prune_options after expandargv.
2346 * optc-gen.awk: Generate common declarations for all flag
2347 variables in options.c. Output the neg_index field.
2349 * opts.c (find_opt): Moved to ...
2350 * opts-common.c: Here. New file.
2352 * opts.h (cl_option): Add a neg_index field.
2354 (prune_options): Likewise.
2356 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2359 * omp-low.c (expand_omp_parallel): Don't assert
2360 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2361 instead search for it.
2364 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2367 2006-05-16 Andreas Schwab <schwab@suse.de>
2369 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2372 2006-05-15 Roger Sayle <roger@eyesopen.com>
2375 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2376 integer constants other than zero are only legitimate on TARGET_64BIT.
2377 <CONST_VECTOR> Only zero vectors are legitimate.
2378 (ix86_cannot_force_const_mem): Integral and vector constants can
2379 always be put in the constant pool.
2381 2006-05-16 DJ Delorie <dj@redhat.com>
2383 * crtstuff.c (__dso_handle): Set section from
2384 TARGET_LBIGCC_SDATA_SECTION if defined.
2385 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2386 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2388 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2391 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2394 2006-05-16 Ben Elliston <bje@au.ibm.com>
2396 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2398 2006-05-15 Per Bothner <per@bothner.com>
2400 * tree.c: (last_annotated_node): Use source_locus typedef.
2401 This permits bootstrapping with --enable-mapped-location.
2403 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2405 PR tree-optimization/26830
2406 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2407 (info_for_ssa_name, current_info_for_ssa_name_age,
2408 blocks_to_update): New variables.
2409 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2410 (clear_ssa_name_info, initialize_flags_in_bb,
2411 mark_block_for_update): New functions.
2412 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2413 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2414 prepare_def_site_for): Use mark_block_for_update.
2415 (mark_def_interesting): Assert that the processed block is marked in
2416 blocks_to_update. Do not take blocks argument.
2417 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2419 (rewrite_update_init_block, rewrite_update_stmt): Only process
2420 blocks with statements to rewrite.
2421 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2422 (update_ssa): Initialize and free blocks_to_update. Do not
2423 clear flags on statements. Do not use blocks bitmap.
2424 * tree.h (SSA_NAME_AUX): Removed.
2425 (struct tree_ssa_name): Removed aux field.
2426 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2428 2006-05-15 Richard Guenther <rguenther@suse.de>
2430 PR tree-optimization/27603
2431 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2432 Do computations in original type.
2434 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2436 * see.c: Code style changes such as redundant paranthesis,
2437 redundant intialization of local variables etc.
2438 (see_main): Declared now as static.
2439 * doc/invoke.texi: Update that -fsee is not enabled by
2442 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2444 * omp-low.c (check_omp_nesting_restrictions): New function.
2445 (scan_omp_1): Call it.
2448 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2449 construct, return *VAR.
2451 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2453 PR rtl-optimization/27406
2454 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2457 2006-05-14 Roger Sayle <roger@eyesopen.com>
2459 PR rtl-optimization/27538
2460 * combine.c (expand_compound_operation): Call gen_lowpart
2461 before calling simplify_shift_const.
2463 2006-05-14 Roger Sayle <roger@eyesopen.com>
2465 PR rtl-optimization/22563
2466 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2467 a fixed width bitfield, always force the intermediates into psuedos.
2469 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2472 * mkconfig.sh: Use operator = instead of == for test.
2474 2006-05-13 Nick Clifton <nickc@redhat.com>
2476 * dwarf2out.c (dbx_reg_number): Check return value from
2477 LEAF_REG_REMAP and only use it if it is valid.
2478 (multiple_reg_loc_descriptor): Likewise.
2480 2006-05-13 Richard Guenther <rguenther@suse.de>
2482 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2485 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2487 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2488 information attached to non-INSNs such as NOTEs.
2489 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2491 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2493 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2495 * config/s390/s390.md: Adjust comment describing On constraint.
2497 2006-05-11 Jan Hubicka <jh@suse.cz>
2499 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2500 to be output at -O0.
2502 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2505 * fold-const.c (size_binop): Move sanity check for arguments to
2506 the beginning of the function.
2509 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2512 2006-05-11 Richard Guenther <rguenther@suse.de>
2515 * fold-const.c (fold_unary): Handle intermediate conversion
2516 to a pointer type like intermediate conversion to an integer
2517 type in folding of (T1)(T2)var to var.
2518 Match the code to the comment in the final conversion for
2519 (T1)(T2)var to (T1)var regarding to type precision. Rather
2520 than disallow T1 being of pointer type, assert that both T1
2521 and var are of pointer type or not. Make sure not to fall
2522 over the frontends lazyness wrt array to pointer decay though.
2524 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2526 * arm.c (arm_struct_value_rtx): Delete.
2527 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2528 (arm_init_cumulative_args): Always initialize nregs to zero.
2530 2006-05-10 Richard Guenther <rguenther@suse.de>
2532 PR tree-optimization/27532
2533 * tree-object-size.c (plus_expr_object_size): Fix typo.
2535 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2538 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2539 ashrdi_const, ashrdi3): Use a scratch register.
2541 2006-05-10 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/27302
2544 * fold-const.c (operand_equal_p): For two comparisons,
2545 try comparison of one comparison code swapped if that yields
2548 2006-05-10 Ben Elliston <bje@au.ibm.com>
2550 * tree-pretty-print.c (pretty_print_string): No need to handle
2551 '\0' as a special character.
2553 * tree.h: Include "hashtab.h".
2554 (iterative_hash_expr): Use hashval_t in its prototype.
2555 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2557 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2560 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2561 (hppa*64*-*-hpux11*): Ditto.
2562 (hppa[12]*-*-hpux11*): Ditto.
2564 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2567 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2569 2006-05-09 Michael Matz <matz@suse.de>
2571 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2572 host_extra_gcc_objs and host_xmake_file.
2573 (<*-*-linux*>): Don't overwrite host_xmake_file.
2574 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2575 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2576 (host_detect_local_cpu): Declare.
2577 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2578 * config/i386/i386.c (override_options): Handle -mtune=native
2580 * config/i386/x-i386: New file.
2581 * config/i386/driver-i386.c: New file.
2582 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2585 2006-05-09 Dirk Mueller <dmueller@suse.de>
2586 Richard Guenther <rguenther@suse.de>
2589 * fold-const.c (fold_read_from_constant_string): Relax check
2590 for matching types to matching modes.
2592 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2594 PR rtl-optimization/27335
2595 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2598 2006-05-08 Chao-ying Fu <fu@mips.com>
2599 Richard Sandiford <richard@codesourcery.com>
2601 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2602 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2603 * config/mips/mips.md (UNSPEC_SCC): New constant.
2604 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2605 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2606 (mips_emit_compare): Use it.
2607 (mips_expand_vcondv2sf): New function.
2609 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2611 Fix PR tree-optimization/27093
2612 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2613 renaming when they become not-used_alone.
2615 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2617 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2618 relocation and relocation stubs.
2620 2006-05-08 Eric Christopher <echristo@apple.com>
2622 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2625 2006-05-08 Jan Hubicka <jh@suse.cz>
2628 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2629 unused static functions are needed.
2631 2006-05-08 Roger Sayle <roger@eyesopen.com>
2634 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2635 of a reg_equiv_constant if the result is a legitimate constant.
2637 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2640 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2641 standard 80387 constants, raise the cost to prevent
2642 compress_float_constant() to generate load from memory.
2644 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2646 * config/arm/constraints.md (c): Fix a typo.
2648 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2651 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2654 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2656 (_mm_mwait): Likewise.
2658 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2660 (sse3_monitor): Make it 32bit only.
2661 (sse3_monitor64): New. 64bit monitor.
2663 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2666 * config/i386/i386.c (classify_argument): Skip fields with invalid
2669 2006-05-07 Richard Guenther <rguenther@suse.de>
2671 PR tree-optimization/27409
2672 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2673 Do not try to find zero-sized subvars.
2675 2006-05-07 Richard Guenther <rguenther@suse.de>
2677 PR tree-optimization/27136
2678 * tree-ssa-loop-niter.c (get_val_for): Correct function
2679 comment, assert requirements.
2680 (loop_niter_by_eval): Stop processing if the iterated
2681 value did not simplify.
2683 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2685 * opts.c (flag_see): remove its setting at -O3.
2687 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2689 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2690 * arm/constraints.md: New file.
2691 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2692 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2693 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2694 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2695 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2696 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2697 * arm.md: Include constraints.md.
2698 (thumb_movsi_insn): Use satisfies_constraint_J.
2699 (movhi, movqi): Use satisfies_constraint_I.
2701 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2703 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2704 for atmeg a645 device.
2706 2006-05-06 Richard Guenther <rguenther@suse.de>
2708 PR tree-optimization/27151
2709 * tree-vect-transform.c (vectorizable_condition): Punt on
2710 values that have a different type than the condition.
2712 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2715 * c-parser.c (c_parser_cast_expression): Only insert casts into
2716 hash table if pointer.
2717 * function.c (used_types_insert_helper): Rename from
2719 (used_types_insert): Call used_types_insert_helper.
2720 * function.h (used_types_insert): Accept only one argument.
2722 2006-05-05 David Edelsohn <edesohn@gnu.org>
2724 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2725 scratch with output modifier.
2727 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2730 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2731 with output modifier.
2733 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2736 * config/mips/mips.c (mips_symbolic_address_p): Return true
2737 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2738 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2740 2006-05-04 Richard Guenther <rguenther@suse.de>
2742 PR tree-optimization/14287
2743 PR tree-optimization/14844
2744 PR tree-optimization/19792
2745 PR tree-optimization/21608
2746 PR tree-optimization/27090
2747 * tree-ssa-pre.c (try_combine_conversion): New function.
2748 (compute_avail): After constructing the value-handle
2749 expression, use try_combine_conversion to combine NOP_EXPRs
2750 with previous value-handle expressions and use the result if it
2753 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2755 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2757 2006-05-04 Jan Hubicka <jh@suse.cz>
2760 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2762 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2764 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2765 that this only matches CONST_INTs. All users changed to VOIDmode
2768 * config/bfin/bfin.c: Include "optabs.h".
2769 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2771 (enum bfin_builtins): Add a number of fractional and vector builtins.
2772 (bfin_init_builtins): Likewise.
2773 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2774 (safe_vector_operand, bfin_expand_binop_builtin,
2775 bfin_expand_unop_builtin): New functions.
2776 (bfin_expand_builtin): Handle the new builtins.
2777 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2780 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2783 * Makefile.in (OBJS-common): Add see.o.
2784 (see.o): Add dependencies.
2785 * common.opt (fsee): New flag for the see optimization was added.
2786 * opts.c (flag_see): Initialized.
2787 * passes.c (init_optimization_passes, pass_see): New pass.
2788 * rtl.h (see_main): Declaration as extern.
2789 * timevar.def (TV_SEE): New.
2790 * tree-pass.h (pass_see): Declaration as extern.
2791 * invoke.texi (-fsee): Document.
2792 * recog.c (validate_simplify_insn): New function.
2793 * recog.h (validate_simplify_insn): Declaration as extern.
2794 * df-problems.c (df_chain_dump): Check for NULL.
2796 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2797 Daniel Berlin <dberlin@dberlin.org>
2799 * cfgrtl.c (insert_insn_bb_end_new): New function.
2800 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2802 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2804 * df.h (struct web_entry): Moved from web.c.
2805 (union_defs): Declaration as extern.
2806 (unionfind_root): Likewise.
2807 (unionfind_union): Likewise.
2808 * web.c (struct web_entry): Moved to df.h.
2809 (unionfind_root): Remove static declaration.
2810 (unionfind_union): Likewise.
2811 (union_defs): Likewise and generalize to use callback function.
2812 (web_main): Update arguments for union_defs function call.
2814 2006-05-04 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/26447
2817 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2818 produce SSA_NAME copies before the store stmt to avoid
2819 breaking exception handling.
2821 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2824 * gimplify.c (omp_is_private): If var is shared in some outer context,
2825 return false instead of true. Stop searching on parallel context
2828 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2831 * coverage.c: Use get_gcov_unsigned_t() instead of
2832 unsigned_type_node all over.
2834 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2836 PR tree-optimization/27381
2837 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2838 maintain the same immediate_use links.
2839 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2840 node rather than segfaulting.
2842 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2845 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2846 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2847 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2849 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2851 Fix PR tree-optimization/26626
2852 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2854 * tree-ssa-operands.c (access_can_touch_variable): Allow
2855 typecasting through union pointers.
2857 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2860 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2861 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2862 to find if var will be a global variable even in the nested context.
2863 (omp_copy_decl): Only check for global variable at the end, it might
2864 be overridden in outer contexts.
2865 (scan_sharing_clauses): For global variables don't create a field.
2866 (lower_rec_input_clauses): Do nothing for global shared variables.
2867 Emit a barrier at the end of ILIST if there were any decls in both
2868 firstprivate and lastprivate clauses.
2869 (lower_send_clauses): Do nothing for global variables except for
2872 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2874 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2875 of the correct signedness is returned.
2877 2006-05-02 Jeff Law <law@redhat.com>
2879 PR tree-optimization/27364
2880 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2881 multiply expressions.
2883 2006-05-02 Tom Tromey <tromey@redhat.com>
2885 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2887 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2890 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2891 -mthumb -fPIC are used.
2893 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2894 Joshua Kinard <kumba@gentoo.org>
2897 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2898 with 64-bit pointers.
2900 2006-05-02 Paul Brook <paul@codesourcery.com>
2902 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2904 (create_fix_barrier): Check that a suitable barrier location is
2906 (arm_reorg): Include ftmp->address in allowable range of addresses.
2908 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2911 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2914 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2917 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2918 around RESULT_DECL for result passed by reference.
2919 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2920 * omp-low.c (use_pointer_for_field): Don't look at
2921 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2922 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2923 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2924 time or var for passing by reference for
2925 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2926 TREE_ADDRESSABLE variables when passing by reference.
2928 * omp-low.c (dump_omp_region): Fix output formatting.
2931 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2932 (expand_omp_parallel): Likewise.
2933 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2936 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2937 on statement list containing also constructors and destructors.
2938 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2941 * except.c (duplicate_eh_regions): Fix clearing of
2942 cfun->eh->region_array entries.
2944 2006-05-01 DJ Delorie <dj@redhat.com>
2946 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2948 (gcc_cv_objdump): Likewise.
2949 * configure: Regenerated.
2951 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2954 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2955 templates for case 3 and 4.
2957 2006-05-01 DJ Delorie <dj@redhat.com>
2959 * vec.c: Include bconfig.h when appropriate.
2960 * Makefile.in (build/vec.o): Adjust dependencies.
2961 * mkconfig.sh: Make sure config.h isn't used for build machine
2964 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2966 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2968 (mark_phi_for_rewrite): New function.
2969 (insert_phi_nodes_for, mark_use_interesting): Call
2970 mark_phi_for_rewrite.
2971 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2972 (update_ssa): Initialize and free phis_to_rewrite.
2974 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2976 PR rtl-optimization/27291
2977 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2978 folded to a constant.
2980 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2982 PR tree-optimization/27283
2983 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2984 not whole # of iteration descriptions.
2985 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2986 uses abnormal ssa name.
2987 (niter_for_single_dom_exit): Ditto.
2988 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2989 return just the number of iterations.
2991 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2993 PR tree-optimization/27144
2994 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2995 (record_estimate): Only record constant upper bound.
2996 (infer_loop_bounds_from_undefined): Call
2997 compute_estimated_nb_iterations just once.
2998 (proved_non_wrapping_p): Renamed to ...
2999 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3000 (convert_step_widening, scev_probably_wraps_p): Call
3001 n_of_executions_at_most instead of proved_non_wrapping_p.
3002 (substitute_in_loop_info): Do not replace values in bounds.
3003 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3006 2006-05-01 Richard Henderson <rth@redhat.com>
3009 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3010 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3013 2006-05-01 Roger Sayle <roger@eyesopen.com>
3015 * c-typeck.c (parser_build_binary_op): Don't call the function
3016 unsigned_conversion_warning to spot operand/result type overflow.
3017 (build_binary_op): Instead, call convert_and_check instead of
3018 convert to report the problem when the operands are promoted.
3019 * c-common.c (unsigned_conversion_warning): Make static.
3020 * c-common.h (unsigned_conversion_warning): Delete prototype.
3022 2006-05-01 Richard Guenther <rguenther@suse.de>
3024 PR tree-optimization/26726
3025 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3027 (find_interesting_uses_address): ... we work around here
3028 by folding INDIRECT_REFs in the substituted base.
3030 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3032 * omp-low.c (dump_omp_region): Add newlines.
3034 2006-04-30 Roger Sayle <roger@eyesopen.com>
3036 * common.opt (Woverflow): New command line option.
3037 * c-common.c (constant_expression_warning): Check warn_overflow.
3038 (overflow_waring): Pass OPT_Woverflow to warning.
3039 (unsigned_conversion_warning): Likewise.
3040 (convert_and_check): Likewise.
3041 * doc/invoke.texi: Document new command line option.
3043 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3045 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3046 TARGET_NO_FP_IN_TOC for section anchors.
3047 (optimization_options): Enable section anchors for all
3048 non-"Objective" languages.
3050 2006-04-28 Eric Christopher <echristo@apple.com>
3052 * config/darwin-c.c (darwin_ms_struct): Move this
3053 (darwin_set_default_type_attributes): and this...
3054 * config/darwin.c: ... here.
3055 * config/darwin.h (darwin_ms_struct): Declare.
3057 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3059 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3061 2006-04-28 Roger Sayle <roger@eyesopen.com>
3064 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3065 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3066 an unsigned HOST_WIDE_INT.
3067 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3069 (really_start_incremental_init): No need to call convert because
3070 bitsize_zero_node is already of type bitsizetype.
3071 (push_init_level): Extract the value of constructor_index as an
3072 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3073 (process_init_element): Likewise.
3075 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3077 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3078 value before passing to make_relative_prefix.
3080 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3083 * builtins.c (expand_builtin_memset): Expand val in original mode.
3085 2006-04-27 Eric Christopher <echristo@apple.com>
3087 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3088 with #ifndef/#endif.
3089 * config/darwin-c.c (darwin_ms_struct): New.
3090 (darwin_pragma_ms_struct): Ditto.
3091 (darwin_set_default_type_attributes): Ditto.
3092 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3093 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3094 Register ms_struct pragma.
3095 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3096 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3097 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3098 darwin_set_default_type_attributes if TARGET_MACHO.
3100 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3102 PR tree-optimization/26854
3103 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3104 * doc/tree-ssa.texi: Update immuse iterator documentation.
3105 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3107 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3108 first_safe_imm_use, next_safe_imm_use): Remove.
3109 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3110 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3111 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3112 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3113 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3114 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3115 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3116 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3117 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3118 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3119 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3120 (perfect_nestify): Use new iterator.
3121 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3123 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3124 (next_imm_name): New field in struct immediate_use_iterator_d.
3125 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3126 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3127 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3128 * tree-cfg.c (replace_uses_by): Use new iterator.
3129 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3130 * tree-ssa-operands.c (correct_use_link): Remove.
3131 (finalize_ssa_use_ops): No longer call correct_use_link.
3133 2006-04-27 Stuart Hastings <stuart@apple.com>
3135 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3136 * config/t-darwin (crt3.o): Use it.
3137 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3138 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3139 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3140 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3141 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3144 2006-04-27 Roger Sayle <roger@eyesopen.com>
3146 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3147 size, force the intermediate into a new pseudo rather instead of
3148 performing both a bitwise AND and a bitwise IOR in memory.
3150 2006-04-27 Richard Guenther <rguenther@suse.de>
3152 PR rtl-optimization/26685
3153 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3154 this one "max-flow-memory-locations".
3156 2006-04-27 Richard Guenther <rguenther@suse.de>
3158 PR tree-optimization/25148
3159 * tree-vrp.c (compare_values): Remove code dealing with
3160 comparisons against type min/max value. Honour overflow
3161 and negative constants in code dealing with comparisons
3162 of plus and minus expressions.
3163 (value_inside_range): Use fold_binary with LE_EXPR and
3164 GE_EXPR rather than compare_values.
3166 2006-04-27 Dirk Mueller <dmueller@suse.de>
3168 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3171 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3173 * basic-block.h (safe_insert_insn_on_edge): Removed.
3174 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3176 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3177 Paolo Bonzini <bonzini@gnu.org>
3180 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3181 (simplify_and_const_int): Same.
3183 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3185 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3187 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3190 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3191 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3192 cgraph_global_info_ready.
3195 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3198 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3199 either decl or init is error_mark_node.
3202 * tree-flow.h (struct omp_region): Add sched_kind.
3203 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3204 instead of extracting omp for data.
3205 (expand_omp_for): Save extracted sched_kind.
3207 2006-04-25 Roger Sayle <roger@eyesopen.com>
3209 * expmed.c (store_bit_field): Also check whether the bitsize is
3210 valid for the machine's "insv" instruction before moving the
3211 target into a pseudo for use with the insv.
3212 * config/i386/predicates.md (const8_operand): New predicate.
3213 * config/i386/i386.md (extv, extzv, insv): Use the new
3214 const8_operand predicate where appropriate.
3216 2006-04-25 DJ Delorie <dj@redhat.com>
3218 * doc/install.texi (Specific): Clarify that this is not a list of
3219 supported hosts or targets.
3221 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3223 PR rtl-optimization/26725
3224 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3225 block's BB_DIRTY flag.
3227 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3229 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3232 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3233 to print an integer.
3235 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3237 * varasm.c (align_variable): New function.
3238 (get_block_for_decl): Apply align_variable to DECL before
3239 calculating section information.
3240 (assemble_variable): Split out alignment computation.
3242 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3244 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3247 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3249 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3250 MODE_PARTIAL_INT mode.
3251 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3252 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3254 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3255 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3257 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3259 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3261 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3262 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3263 MACFLAG_IH): Likewise.
3264 (movstricthi_1): Renamed from "*movstricthi".
3265 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3266 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3267 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3268 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3269 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3270 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3271 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3272 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3273 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3274 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3275 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3276 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3277 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3278 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3279 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3281 * doc/rtl.texi (ss_ashift): Improve wording.
3283 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3285 * dwarf2out.c (verify_marks_clear): New.
3286 (prune_unused_types): Call verify_marks_clear initially, not
3289 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3291 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3292 * doc/rtl.texi: Document them.
3293 * simplify-rtx.c (simplify_unary_operation,
3294 simplify_binary_operation_1): Don't abort when we see them.
3296 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3299 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3300 * configure.ac: Completely disregard languages that are not
3302 * configure: Regenerated.
3304 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3305 Richard Guenther <rguenther@suse.de>
3307 PR tree-optimization/27236
3308 * tree-inline.c (copy_body_r): Make sure to copy
3309 TREE_THIS_VOLATILE flag.
3311 2006-04-24 Richard Guenther <rguenther@suse.de>
3314 * tree-complex.c (update_parameter_components): Don't handle
3315 unused parameters which have no default def.
3317 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3318 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/27218
3321 * tree-inline.c (expand_call_inline): Strip useless type
3322 conversions for the return slot address.
3324 2006-04-24 Richard Guenther <rguenther@suse.de>
3326 * cfgloop.h (struct loops): Remove unused field array. Reorder
3328 (LOOP_PREFETCH): Remove.
3330 2006-04-24 Richard Guenther <rguenther@suse.de>
3332 PR tree-optimization/22525
3333 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3334 variable, adjust types of generated expressions.
3336 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3338 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3339 (tree-vect-patterns.o): Likewise.
3341 (cselib.o): Likewise.
3342 (loop-doloop.o): Likewise.
3343 (regclass.o): Likewise.
3344 (reload1.o): Likewise.
3345 (explow.o): Replace target.h with $(TARGET_H).
3346 (ipa-prop.o): Likewise.
3347 (ipa-cp.o): Likewise.
3348 (ipa-inline.o): Likewise.
3349 (reorg.o): Likewise.
3350 (reg-stack.o): Likewise.
3352 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3354 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3356 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3358 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3360 * configure.ac: Completely disregard languages that are not
3362 * configure: Regenerated.
3365 * c-common.h (c_build_bitfield_integer_type): Declare.
3366 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3367 * c-common.c (c_build_bitfield_integer_type): ... here.
3369 2006-04-23 Roger Sayle <roger@eyesopen.com>
3372 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3373 a SImode SUBREG of a floating point register after no_new_pseudos.
3375 2006-04-23 Roger Sayle <roger@eyesopen.com>
3377 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3378 identify potentially eliminable registers to additionally catch
3379 VIRTUAL_INCOMING_ARGS_REGNUM.
3380 (addsi3): Update the conditions on when to use addsi_small_int.
3382 2006-04-23 Roger Sayle <roger@eyesopen.com>
3385 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3386 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3387 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3389 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3391 * fold-const.c (range_predecessor): Use operand_equal_p
3392 as the predicate for equality.
3393 (range_successor): Likewise.
3395 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3398 * config/soft-fp/op-common.h: Fix a typo.
3400 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3403 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3404 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3406 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3408 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3410 * doc/tm.texi: Fix a typo.
3412 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3414 * dwarf2out.c (struct die_struct): Document that die_sib makes
3415 a circular linked list.
3416 (FOR_EACH_CHILD): New.
3417 (reverse_die_lists): Delete.
3418 (reverse_all_dies): Delete.
3419 (add_dwarf_attr): Correct documentation.
3420 (remove_child_with_prev): New.
3421 (remove_child_TAG): Update for change to die_struct, use
3422 remove_child_with_prev.
3423 (add_child_die): Update for change to die_struct.
3424 (splice_child_die): Use remove_child_with_prev and add_child_die.
3425 (print_die): Use FOR_EACH_CHILD.
3426 (die_checksum): Likewise.
3427 (assign_symbol_names): Likewise.
3428 (output_location_lists): Likewise.
3429 (build_abbrev_table): Likewise.
3430 (calc_die_sizes): Likewise.
3431 (mark_dies): Likewise.
3432 (unmark_dies): Likewise.
3433 (unmark_all_dies): Likewise.
3434 (output_die): Likewise.
3435 (prune_unused_types_mark): Likewise.
3436 (prune_unused_types_walk): Likewise.
3437 (same_die_p): Update for change to die_struct.
3438 (break_out_includes): Likewise.
3439 (prune_unused_types_prune): Likewise.
3440 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3441 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3443 (dwarf2out_finish): Don't call reverse_all_dies.
3445 2006-04-21 Eric Christopher <echristo@apple.com>
3447 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3448 in comments and function names.
3450 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3453 * c-typeck.c (digest_init): Robustify.
3455 * c-typeck.c (pop_init_level): Simplify.
3457 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3459 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3461 2006-04-21 Paul Brook <paul@codesourcery.com>
3463 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3464 hardware floating point.
3466 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3468 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3471 2006-04-21 Nick Clifton <nickc@redhat.com>
3473 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3476 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3479 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3480 C++ lang type in traceback table for Objective-C++.
3482 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3484 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3486 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3488 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3491 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3492 were errors. Remove check for erroneous objects.
3494 2006-04-20 Jeff Law <law@redhat.com>
3496 PR tree-optimization/26854
3497 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3498 checking for zero or one use.
3499 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3500 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3501 * tree-ssa-reassoc.c (negate_value): Similarly.
3502 (reassociate_bb): Similarly.
3504 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3506 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3507 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3508 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3510 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3512 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3513 fp regs if the last fp arg doesn't fit in regs.
3515 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3518 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3519 that the last insn has the REG_INC note.
3521 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3522 Nathan Sidwell <nathan@codesourcery.com>
3525 * stor-layout.c (update_alignment_for_field): Do not align
3527 (place_union_field): Place union field at the start of the union.
3528 (place_field): Move ERROR_MARK check later, and use the current
3529 allocation position to maintain monotonicity.
3531 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3533 * dominance.c: Include timevar.h.
3534 (calculate_dominance_info): Use TV_DOMINANCE.
3535 * timevar.def (TV_DOMINANCE): New timevar.
3536 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3538 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3540 PR rtl-optimization/14261
3541 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3542 move would be an INSV insn.
3543 (noce_process_if_block): Don't optimize if the destination is a
3544 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3546 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3548 * config/s390/s390.md: Add comments with the instructions emitted
3549 by an insn pattern if macros are used.
3551 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3553 PR rtl-optimization/26026
3554 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3555 is a known power of two shifted left a variable amount.
3557 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3559 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3560 to hash table twice when the debug_str section has SECTION_MERGE.
3562 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3564 * config/soft-fp: New directory. From glibc.
3565 * config/soft-fp/t-softfp: New.
3566 * config/soft-fp/README: New.
3567 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3568 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3569 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3570 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3571 * config.gcc: Use rs6000/t-fprules-fpbit or
3572 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3574 * config/rs6000/sfp-machine.h: New. Based on glibc.
3575 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3577 * config/rs6000/t-fprules: Remove fp-bit rules.
3578 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3579 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3580 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3581 (softfp_wrap_start, softfp_wrap_end): New.
3583 2006-04-18 DJ Delorie <dj@redhat.com>
3585 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3587 2006-04-18 Devang Patel <dpatel@apple.com>
3589 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3591 2006-04-18 Nick Clifton <nickc@redhat.com>
3593 * config/sh/t-symbian: Add rule to build sh-c.o
3594 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3595 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3596 (sh_symbian_encode_section_info): Likewise.
3598 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3600 * builtins.c (expand_builtin_strcmp): Cover label definition of
3601 do_libcall with HAVE_cmpstrnsi.
3603 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3605 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3607 * function.h (temp_slot_p): New.
3608 (function): Change the type of x_used_temp_slots to
3609 VEC(temp_slot_p,gc) *.
3611 2006-04-18 Nick Clifton <nickc@redhat.com>
3613 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3614 flag_strength_reduce.
3616 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3618 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3622 Partial revert of revision 112637
3623 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3624 Dale Johannesen <dalej@apple.com>
3627 * regclass.c (struct reg_pref): Update documentation.
3628 (regclass): Set prefclass to NO_REGS if memory is the best option.
3629 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3631 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3633 PR tree-optimization/26821
3634 * tree-ssa-math-opts.c (get_constant_one): New.
3635 (insert_reciprocals): Use it.
3637 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3639 * dwarf2out.c (free_AT): Delete.
3640 (remove_AT): Update string ref counts.
3641 (remove_child_TAG): Don't call free_die.
3643 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3644 or DW_TAG_GNU_EINCL.
3645 (prune_unused_types_walk_attribs): Reset string refcounts.
3646 (prune_unused_types_update_strings): New.
3647 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3648 call free_die. Do call prune_unused_types_update_strings.
3649 (prune_unused_types): Empty debug_str_hash.
3651 2006-04-17 Roger Sayle <roger@eyesopen.com>
3653 * expr.c (expand_assignment): Optimize away no-op moves where the
3654 source and destination are equal and have no side-effects.
3656 2006-04-17 Richard Guenther <rguenther@suse.de>
3659 * reload.c (push_reload): Guard calls to get_secondary_mem
3662 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3664 * alias.c (reg_base_value, old_reg_base_value): Change the
3665 type to VEC(rtx,gc) *.
3666 (REG_BASE_VALUE, find_base_value, record_set,
3667 init_alias_analysis): Use VEC instead of VARRAY.
3669 * alias.c (alias_sets): Change the type to
3670 VEC(alias_set_entry,gc) *.
3671 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3672 VEC instead of VARRAY.
3673 (last_alias_set): Remove.
3675 * cgraph.h (cgraph_edge_p): New.
3676 Update the prototype of cgraph_function_versioning.
3677 * cgraphunit.c (cgraph_copy_node_for_versioning,
3678 cgraph_function_versioning): Use VEC instead of VARRAY.
3679 * ipa-cp.c (ipcp_insert_stage): Likewise.
3681 2006-04-16 Roger Sayle <roger@eyesopen.com>
3684 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3685 "A op B" or "A op C", we may need to convert A to the type of B and C.
3687 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3689 * target.h (struct gcc_target): Add mode_rep_extended.
3690 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3691 (init_num_sign_bit_copies_in_rep): Initialize it using
3693 (truncate_to_mode): Use it.
3694 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3695 * targhooks.h (default_mode_rep_extended): Declare it.
3696 * targhooks.c (default_mode_rep_extended): Define it.
3697 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3698 default_mode_rep_extended.
3699 (TARGET_INITIALIZER): Include it.
3700 * doc/tm.texi (Misc): Document it.
3701 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3702 (mips_truncated_to_mode): New function.
3704 2006-04-16 Roger Sayle <roger@eyesopen.com>
3707 * expr.c (compress_float_constant): Copy the narrow constant into
3708 a new pseudo before extending it to its final width.
3710 2006-04-16 Roger Sayle <roger@eyesopen.com>
3711 Andrew Pinski <pinskia@gcc.gnu.org>
3712 Dale Johannesen <dalej@apple.com>
3715 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3716 special case code to implement V8HImode and V16QImode with SSE2.
3718 2006-04-15 Roger Sayle <roger@eyesopen.com>
3720 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3721 trees are constructed with a suitable tree type.
3723 2006-04-15 Roger Sayle <roger@eyesopen.com>
3725 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3726 (integer_onep): Likewise.
3727 (integer_all_onesp): Likewise.
3728 (integer_pow2p): Likewise.
3729 (integer_nonzerop): Likewise.
3730 (real_zerop): Likewise.
3731 (real_onep): Likewise.
3732 (real_twop): Likewise.
3733 (real_minus_onep): Likewise.
3734 (int_size_in_bytes): Likewise.
3735 (host_integerp): Likewise.
3737 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3739 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3740 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3741 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3743 * tree-ssa-structalias.h (alias_info): Remove num_references.
3745 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3747 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3748 (output_bvb patterns): Likewise.
3749 * pa.c (output_bb): Use 'bb' insn for long branch case.
3750 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3751 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3752 1. Correct length operand for alternatives 1 and 2.
3753 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3754 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3756 2006-04-14 Roger Sayle <roger@eyesopen.com>
3758 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3759 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3760 were accidentally reverted by r112959.
3762 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3765 * except.h (eh_region_outermost): New prototype.
3766 * except.c (eh_region_outermost): New function.
3767 * tree-cfg.c (find_outermost_region_in_block): Use it.
3769 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3771 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3773 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3774 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3775 (init_reload, reload): Use VEC instead of VARRAY.
3776 * reload.h: Update the prototype for
3777 reg_equiv_memory_loc_varray.
3779 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3780 Eric Botcazou <ebotcazou@libertysurf.fr>
3782 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3785 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3788 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3789 to expand fallback builtin function call.
3791 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3794 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3795 and emit libcall here in case the builtin fails.
3796 (expand_builtin_strcmp): Always emit the libcall here on failure.
3798 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3800 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3801 * flow.c (reg_n_info): Change the type to
3802 VEC(reg_info_p,heap) *.
3803 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3805 * regs.h (reg_info_p): New.
3806 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3807 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3808 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3811 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3813 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3815 * params.h (MAX_SCHED_READY_INSNS): New macro.
3816 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3817 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3818 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3819 the ready list for 1 cycle during the first scheduling pass.
3820 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3822 2006-04-13 Richard Henderson <rth@redhat.com>
3825 * gimple-low.c (lower_omp_directive): Remove dead code.
3826 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3827 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3828 * omp-low.c (struct omp_region): Move to tree-flow.h.
3829 (root_omp_region): Export.
3830 (omp_regions, lookup_omp_region): Remove.
3831 (determine_parallel_type): Update for struct omp_region changes.
3832 (dump_omp_region): Dump regions with block numbers.
3833 (new_omp_region): Take type and block instead of stmt; malloc
3835 (free_omp_region_1, free_omp_regions): New.
3836 (expand_parallel_call): Take entry_stmt as argument; update for
3837 changes to omp_region.
3838 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3839 (remove_exit_barriers): New.
3840 (expand_omp_parallel): Update for struct omp_region changes.
3841 (expand_omp_synch): Likewise.
3842 (expand_omp): Likewise.
3843 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3844 (expand_omp_for_static_chunk): Likewise.
3845 (expand_omp_for): Likewise.
3846 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3847 (expand_omp_sections): Similarly, with GOMP_sections_end.
3848 (expand_omp_single): New.
3849 (build_omp_regions_1): Update for OMP_CONTINUE.
3850 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3851 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3852 OMP_SECTIONS_SECTIONS.
3853 (lower_omp_single_simple): Don't emit barrier here.
3854 (lower_omp_single_copy): Likewise.
3855 (lower_omp_single): Fix bindings, and lower to straightline now.
3856 (lower_omp_master, lower_omp_ordered): Likewise.
3857 (lower_omp_critical): Likewise.
3858 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3859 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3860 omp edges, free it afterward.
3861 (make_omp_sections_edges): Remove.
3862 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3863 (move_stmt_r): Handle OMP_CONTINUE.
3864 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3865 statement pointers to basic blocks. Add type member.
3866 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3867 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3868 * tree-inline.c (estimate_num_insns_1): Likewise.
3869 * tree-pretty-print.c (dump_generic_node): Likewise.
3870 * tree-ssa-operands.c (get_expr_operands): Likewise.
3871 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3872 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3873 (OMP_CONTINUE): New.
3874 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3875 (OMP_SECTIONS_SECTIONS): Remove.
3876 (OMP_SECTION_LAST): New.
3877 (OMP_RETURN_NOWAIT): New.
3879 2006-04-13 Roger Sayle <roger@eyesopen.com>
3881 * fold-const.c (native_encode_vector, native_interpret_real):
3882 Correct obvious mistakes in the previous check-in.
3884 2006-04-13 Roger Sayle <roger@eyesopen.com>
3886 * fold-const.c (native_encode_expr): New function to encode
3887 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3888 or VECTOR_CST into a specified buffer.
3889 (native_encode_int): New function.
3890 (native_encode_real): New function.
3891 (native_encode_complex): New function.
3892 (native_encode_vector): New function.
3893 (native_interpret_expr): Inverse of native_encode_expr to convert
3894 a target representation into an INTEGER_CST, REAL_CST etc...
3895 (native_interpret_int): New function.
3896 (native_interpret_real): New function.
3897 (native_interpret_complex): New function.
3898 (native_interpret_vector): New function.
3899 (fold_view_convert_expr): New function to constant fold/evaluate
3900 a VIEW_CONVERT_EXPR of a suitable constant expression.
3901 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3902 Change call of build1 to fold_build1 when constructing a
3905 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3906 Ulrich Weigand <uweigand@de.ibm.com>
3909 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3912 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3915 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3916 optimize to lo_sum for DFmode if !TARGET_FPRS.
3918 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3920 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3921 delete_alias_info, compute_flow_sensitive_aliasing,
3922 group_aliases): Use VEC instead of VARRAY.
3923 * tree-ssa-structalias.c (update_alias_info): Likewise.
3924 * tree-ssa-structalias.h (alias_info): Change the type of
3925 processed_ptrs to VEC(tree,heap) *.
3927 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3930 * config/sh/lib1funcs.h: New file, broken out of:
3931 * config/sh/lib1funcs.asm.
3932 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3934 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3935 * config/sh/lib1funcs-Os-4-200.asm: New file.
3936 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3937 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3938 (EXTRA_MULTILIB_PARTS): Include it.
3939 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3940 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3941 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3942 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3945 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3947 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3948 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3949 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3951 * tree-ssa-live.h: Include vecprim.h.
3952 (tree_partition_associator_d): Change the type of
3953 first_partition to VEC(int,heap) *.
3954 (tpa_first_partition): Use VEC instead of VARRAY.
3956 * Makefile.in (GTFILES): Move functions.h after tree.h.
3957 * function.c (reset_block_changes, record_block_change,
3958 check_block_change, free_block_changes): Use VEC instead of
3960 * function.h (function): Change the type of
3961 ib_boundaries_block to VEC(tree,gc) *.
3962 * tree-inline.c (copy_cfg_body): Initialize
3963 ib_boundaries_block to NULL instead of (varray_type) 0.
3965 2006-04-12 Roger Sayle <roger@eyesopen.com>
3967 * expr.c (emit_group_store): Correct operand order in call to
3968 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3969 a SUBREG_BYTE of zero.
3971 2006-04-12 Richard Guenther <rguenther@suse.de>
3973 * profile.c (compute_branch_probabilities): Remove code
3974 encapsulated in !ir_type (), which are remanents of the
3975 removed RTL profiling code.
3976 * rtl-profile.c: Remove.
3978 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3980 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3981 magic NULL_RTX comment.
3982 (function_arg): Store entire fp arg to mem if any part should go
3984 (rs6000_arg_partial_bytes): Adjust for above change.
3986 2006-04-11 Roger Sayle <roger@eyesopen.com>
3988 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3989 if it hasn't been initialized by dwarf2out_init.
3991 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3993 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3994 symbolic constants in branch patterns.
3996 2006-04-11 Roger Sayle <roger@eyesopen.com>
3998 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4000 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4002 PR rtl-optimization/27073
4003 * gcse.c (try_replace_reg): Revert last change. Continue to search
4004 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4007 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4009 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4010 aggregate types other than record and union types.
4011 (function_arg): Likewise.
4012 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4014 (function_value): In 64-bit mode, return objects that require it
4017 2006-04-11 Roger Sayle <roger@eyesopen.com>
4019 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4021 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4023 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4025 2006-04-03 Jeff Law <law@redhat.com>
4028 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4029 alias information too.
4031 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4033 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4035 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4038 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4039 (premark_used_types_helper): New.
4040 (premark_used_types): New.
4041 (gen_subprogram_die): Call premark_used_types.
4042 (prune_unused_types_walk): Do not prune perennial dies.
4043 * function.c (used_types_insert): New.
4044 * function.h (struct function): Add used_types_hash field.
4045 (used_types_insert): Add prototype.
4046 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4047 * c-parser.c (c_parser_cast_expression): Save casted types in used
4050 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4053 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4054 rs6000_explicit_options.float_gprs.
4056 2006-04-10 Roger Sayle <roger@eyesopen.com>
4058 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4059 from ix86_expand_vector_init_low_nonzero. Take an additional
4060 one_var argument indicating which element is non-zero. Support
4061 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4062 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4063 with one_var instead of ix86_expand_vector_init_low_nonzero.
4065 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4067 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4068 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4069 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4070 build/genextract.o): Depend on vecprim.h.
4071 * cfglayout.c, df-problems.c, function.c, genextract.c,
4072 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4073 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4077 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4079 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4080 Declare VECs of this type.
4081 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4082 (remove_children): Delete.
4083 (add_dwarf_attr): Use VEC routines.
4084 (add_AT_flag): Update for changes to add_dwarf_attr.
4085 (add_AT_int): Likewise.
4086 (add_AT_unsigned): Likewise.
4087 (add_AT_long_long): Likewise.
4088 (add_AT_vec): Likewise.
4089 (add_AT_string): Likewise.
4090 (add_AT_die_ref): Likewise.
4091 (add_AT_fde_ref): Likewise.
4092 (add_AT_loc): Likewise.
4093 (add_AT_loc_list): Likewise.
4094 (add_AT_addr): Likewise.
4095 (add_AT_lbl_id): Likewise.
4096 (add_AT_lineptr): Likewise.
4097 (add_AT_macptr): Likewise.
4098 (add_AT_offset): Likewise.
4099 (add_AT_range_list): Likewise.
4100 (get_AT): Use VEC_iterate.
4101 (remove_AT): Use VEC_ordered_remove.
4102 (free_die): Fold remove_children into here; have it use VEC_iterate.
4103 (print_die): Use VEC_iterate on attrs.
4104 (reverse_die_lists): Don't reverse attr lists.
4105 (die_checksum): Use VEC_iterate on attrs.
4106 (same_die_p): Likewise.
4107 (output_location_lists): Likewise.
4108 (build_abbrev_table): Likewise.
4109 (size_of_die): Likewise.
4110 (unmark_all_dies): Likewise.
4111 (output_abbrev_section): Likewise.
4112 (output_die): Likewise.
4113 (prune_unused_types_walk_attribs): Likewise.
4115 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4117 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4119 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4122 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4124 2006-04-09 Roger Sayle <roger@eyesopen.com>
4126 * expr.c (store_constructor): Don't bother clearing target if
4127 we're about to assign a vector to it using vec_init_optab.
4129 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4131 * tree-ssa-alias.c (lhs_may_store_to): New function.
4132 (recalculate_used_alone): Handle LHS of calls.
4134 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4138 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4139 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4140 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4141 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4142 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4143 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4144 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4145 stubs. Add ".align 8" directives before all ".dword" directives.
4146 (GTHREAD_USE_WEAK): Revise comment.
4147 (TARGET_ATTRIBUTE_WEAK): Define.
4148 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4149 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4150 * stublib.c: New file.
4155 * pa.md (cbranch patterns): Revise arguments used in calls to
4156 output_cbranch, output_bb and output_bvd. Add long branch length
4158 (fbranch patterns): Handle long branches.
4159 (jump): Revise length check. Revise arguments for output_lbranch call.
4160 Add long branch length attributes.
4161 (decrement_and_branch_until_zero): Add long branch length attributes.
4162 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4163 Likewise. Revise arguments for output_parallel_addb and
4164 output_parallel_movb calls.
4165 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4166 output_parallel_movb and output_parallel_addb): Update prototypes.
4167 * pa.c (output_cbranch): Revise arguments. Correct handling of
4168 nullification in long branches.
4169 (output_lbranch): Add new argument to control extraction of delay
4171 (output_bb): Handle long branches.
4172 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4173 output_parallel_addb): Likewise.
4175 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4177 PR rtl-optimization/27073
4178 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4181 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4183 * tree.h (tree_memory_tag): Add old_used_alone.
4184 (SMT_OLD_USED_ALONE): New macro.
4185 * tree-ssa-alias.c (recalculate_used_alone): Stop
4186 marking things for renaming unnecessarily.
4188 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4190 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4191 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4192 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4193 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4194 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4195 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4196 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4197 spelling convensions.
4198 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4199 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4200 typos. Follow spelling conventions.
4202 2006-04-07 DJ Delorie <dj@redhat.com>
4204 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4205 passed on the stack.
4206 (m32c_init_cumulative_args): When a function returns a structure,
4207 always pass the pointer to that return area on the stack.
4208 (m32c_function_arg_advance): Don't increment the parameter number
4209 if we're processing the returned structure pointer.
4210 (pushm_info): Reverse order of registers.
4212 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4214 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4215 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4216 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4217 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4219 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4220 chrec_fold_multiply): Same.
4221 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4222 force_expr_to_var_cost): Same.
4223 * tree-mudflap.c (mf_xform_derefs_1): Same.
4224 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4226 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4228 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4229 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4232 2006-04-07 Jan Hubicka <jh@suse.cz>
4234 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4236 2006-04-07 Richard Guenther <rguenther@suse.de>
4238 PR tree-optimization/26135
4239 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4240 loads for store copy-prop.
4241 (copy_prop_visit_stmt): Likewise.
4243 2006-04-05 Robert Millan <robertmh@gnu.org>
4245 * config/i386/linux.h: Add a comment to mark macros that are
4246 being overriden in config/k*bsd-gnu.h.
4247 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4249 * config/knetbsd-gnu.h: Ditto.
4251 2006-04-06 Jan Hubicka <jh@suse.cz>
4255 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4258 2006-04-06 Mike Stump <mrs@apple.com>
4260 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4261 for HAVE_nonlocal_goto to be consistent.
4262 (expand_builtin_nonlocal_goto): Likewise.
4263 (expand_builtin_strcmp): Use #ifdef instead of #if
4264 for HAVE_cmpstrnsi to be consistent.
4266 2006-04-05 DJ Delorie <dj@redhat.com>
4268 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4271 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4273 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4274 got-relative addressing for anything but SImode.
4276 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4277 even if the calling function doesn't modify them.
4279 2006-04-05 Richard Guenther <rguenther@suse.de>
4281 PR tree-optimization/26919
4282 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4283 to cgraph_estimate_size_after_inlining.
4285 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4287 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4289 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4291 PR tree-optimization/26996
4292 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4293 VECTOR_TYPE variables.
4295 2006-04-05 Richard Guenther <rguenther@suse.de>
4297 PR tree-optimization/26763
4298 * fold-const.c (fold_comparison): Move folding of
4299 PTR + CST CMP PTR + CST ...
4300 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4302 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4304 * doc/install.texi (Prerequisites): Refine some wording on
4305 bootstrapping and ksh.
4306 Move the version numbers of DejaGnu here from the testing section
4307 and fix casing of names.
4308 Fix markup and clarify wording for autogen requirements.
4309 Refer to GCJ instead of just java.
4310 Refer to SVN instead of CVS.
4311 Describe diffutils as useful instead of necessary.
4312 (Downloading the source): Refer to SVN instead of CVS.
4313 Adjust a link to our web site accordingly.
4314 (Configuration): Fix casing of Bison.
4315 (Building): Refer to SVN instead of CVS.
4316 Fix a sentence on the use of Bison and remove duplicate (and
4317 incorrect) version number of Bison requirement.
4318 Remove one redundant list of packages needed for building.
4319 (Specific): Avoid reference to CVS.
4321 2006-04-04 Eric Christopher <echristo@apple.com>
4323 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4324 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4325 (rs6000_handle_struct_attribute): New.
4326 (rs6000_ms_bitfield_layout_p): Ditto.
4328 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4330 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4331 NULL for dso parameter to atexit_common.
4333 2006-04-04 Eric Christopher <echristo@apple.com>
4335 * config/i386/i386.c (machopic_output_stub): Output \t
4336 between instructions and operands.
4338 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4340 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4341 satisfies_constraint_[IL] to explicit tests on value.
4343 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4345 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4346 set_nb_iterations_in_loop): Use build_int_cst instead of
4348 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4349 build_int_cst instead of convert.
4351 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4353 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4354 new value 2 for incoming.
4355 * function.c (expand_function_start): Call struct_value_rtx
4357 * config/sparc/sparc.md: Comment updated_return.
4358 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4359 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4360 struct return if sparc_std_struct_return and incoming is 2.
4361 (print_operand): Do not adjust return if
4362 sparc_std_struct_return.
4364 2006-04-04 Roger Sayle <roger@eyesopen.com>
4366 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4367 convert in the middle-end.
4368 * expr.c (store_expr, store_constructor, get_inner_reference,
4369 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4371 * tree.c (build_range_type): Likewise.
4373 2006-04-04 Tom Tromey <tromey@redhat.com>
4375 * doc/install.texi (Prerequisites): Mention jar.
4377 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4379 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4382 2006-04-04 Matthias Klose <doko@debian.org>
4384 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4385 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4388 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4390 * doc/extend.texi (Function Attributes): Rewrite visibility
4391 attribute documentation.
4392 * doc/invoke.texi (C++ Dialect Options): Rewrite
4393 -fvisibility-inlines-hidden documentation to describe something
4394 entirely different, although in practise compatible.
4395 (Code Gen Options): Warn about system headers in -fvisibility=
4398 * doc/extend.texi (Other Builtins): Document that
4399 __builtin_nan is a compile-time constant only when its argument
4402 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4404 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4405 trying to remove TRUNCATE check if all bits outside the new mode
4406 are identical to the sign bit.
4408 2006-04-03 Jeff Law <law@redhat.com>
4410 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4411 and operand scanning in some common cases.
4413 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4414 Dale Johannesen <dalej@apple.com>
4417 * regclass.c (struct reg_pref): Update documentation.
4418 (regclass): Set prefclass to NO_REGS if memory is the best option.
4419 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4420 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4421 into account. For non-registers, equate an empty preferred
4422 reload class to a `!' in the constraint; move the if clause to
4423 do so after those that reject the insn.
4424 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4426 (find_dummy_reload): Likewise.
4427 * doc/tm.texi (Register Classes): Document what it means
4428 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4429 * config/i386/i386.c (ix86_preferred_reload_class): Force
4430 using SSE registers (and return NO_REGS for floating-point
4431 constants) if math is done with SSE.
4432 (ix86_preferred_output_reload_class): New.
4433 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4434 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4435 * config/i386/i386.md: Remove # register preferences.
4437 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4440 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4441 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4442 the type of nb_iter.
4443 (instantiate_parameters_1): Convert the operands before calling
4444 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4445 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4447 2006-04-02 Roger Sayle <roger@eyesopen.com>
4449 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4450 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4452 * dojump.c (do_jump): Likewise.
4453 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4454 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4455 gimplify_boolean_expr): Likewise.
4456 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4457 * varasm.c (array_size_for_constructor): Likewise.
4458 * tree-object-size.c (compute_object_offset): Likewise.
4460 2006-04-02 Roger Sayle <roger@eyesopen.com>
4463 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4464 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4466 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4468 PR tree-optimization/26939
4469 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4471 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4473 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4474 at_stmt. Convert the type of operands before calling
4475 build_polynomial_chrec.
4476 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4478 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4479 (instantiate_parameters_1): Convert the type of operands before calling
4480 build_polynomial_chrec.
4481 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4482 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4483 reset_evolution_in_loop): Insert asserts to check the types of the
4485 (chrec_type): Moved...
4486 (eq_evolutions_p): Use operand_equal_p.
4487 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4488 the types of the operands.
4489 (chrec_type): ...here.
4490 * tree-data-ref.c (create_data_ref): Convert the operands before
4491 calling chrec_replace_initial_condition.
4492 (same_access_functions, analyze_subscript_affine_affine,
4493 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4494 (compute_subscript_distance, analyze_ziv_subscript,
4495 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4496 analyze_miv_subscript): Convert the operands before calling
4497 chrec_fold_minus or chrec_fold_plus.
4499 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4501 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4502 the dependence_relations vector.
4503 (compute_data_dependences_for_loop): Adjust call to
4504 compute_all_dependences.
4506 2006-04-01 Roger Sayle <roger@eyesopen.com>
4507 Richard Henderson <rth@redhat.com>
4509 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4510 gimple_boolify on the condition before calling gimplify_expr.
4512 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4514 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4515 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4516 the frame size. Update to use the new macros.
4517 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4518 * config/xtensa/ieee754-df.S: Likewise.
4520 2006-03-31 Richard Henderson <rth@redhat.com>
4522 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4523 (make_edges): ... here. Control fallthru creation with a local
4524 variable. Do not play with fake edges.
4525 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4526 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4529 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4531 * dwarf2.h (DW64_CIE_ID): Define.
4532 * dwarf2out.c (DWARF_CIE_ID): Define.
4533 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4534 length header. Use DWARF_CIE_ID.
4535 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4536 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4538 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4540 * config/sh/linux-atomic.asm: New file.
4541 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4543 2006-03-31 DJ Delorie <dj@redhat.com>
4545 * config/m32c/cond.md: Set condition flags properly throughout.
4546 * config/m32c/minmax.md: Likewise.
4547 * config/m32c/prologue.md: Likewise.
4548 * config/m32c/bitops.md: Likewise.
4549 * config/m32c/muldiv.md: Likewise.
4550 * config/m32c/mov.md: Likewise.
4551 * config/m32c/addsub.md: Likewise.
4552 * config/m32c/m32c.md: Likewise.
4553 * config/m32c/jump.md: Likewise.
4554 * config/m32c/shift.md: Likewise.
4556 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4557 conditionally output the pattern for this.
4558 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4559 (m32c_compare_redundant): New.
4560 (m32c_output_compare): New.
4561 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4563 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4564 dest, not src. Allow other 4-byte modes.
4566 2006-03-30 Denis Chertykov <denisc@overta.ru>
4568 * doc/md.texi: Refer to avr/constraints.md instead of
4571 2006-03-30 Roger Sayle <roger@eyesopen.com>
4573 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4574 signed vs. unsigned comparison failures on some hosts.
4576 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4579 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4580 change to FLOAT_REGS.
4582 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4583 (rs6000_override_options): Use it.
4584 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4585 only for -mabi=spe/no-spe and -mabi=altivec.
4587 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4589 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4592 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4594 * Makefile.in: Rename docdir to gcc_docdir.
4596 2006-03-30 Roger Sayle <roger@eyesopen.com>
4599 * expr.c (emit_group_store): Optimize group stores into a pseudo
4600 register by using a paradoxical subreg to initialize the destination
4601 if the first or last member of the group specifies a "low part".
4603 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4606 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4607 * target.h (struct gcc_target.speculate_insn): Change type of the
4608 second parameter to 'int'.
4609 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4610 the second operand of the DEPS_LIST.
4611 (copy_DEPS_LIST_list): Update reference to the second operand of the
4613 * rtl.h (alloc_DEPS_LIST): Update signature.
4614 * sched-int.h (ds_t): Change typedef to 'int'.
4615 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4617 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4619 * haifa-sched.c (try_ready): Change condition to restore
4620 non-speculative pattern of the instruction.
4621 (process_insn_depend_be_in_spec): Code to keep probability of the
4622 speculative dependence non-decreasing.
4624 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4626 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4627 (single_move_for_movmem): ... this. Also change all uses.
4628 (bfin_expand_strmov): Renamed to...
4629 (bfin_expand_movmem): ... this. Also change all uses.
4630 * config/bfin/bfin.md (movstrsi): Renamed to...
4631 (movstrsi): ...this.
4633 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4635 PR tree-optimization/26830
4637 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4638 (copy_prop_visit_stmt): Remove write-only variable ann.
4639 (init_copy_prop): Check variable loop depth here. Do not simulate
4640 memory-tag and virtual operand PHIs except for store copy prop.
4642 2006-03-30 Richard Guenther <rguenther@suse.de>
4644 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4645 variants with double arguments.
4647 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4649 * genpreds.c (write_tm_constrs_h): Delete variable p.
4650 * genconditions.c (write_header): Add tm-constrs.h to included
4652 * genpeep.c (main): Add toplev.h to included headers.
4653 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4654 (build/genpeep.o): Add toplev.h dependency.
4655 * config/rs6000/constraints.md: Add "W" constraint.
4657 2006-03-29 Roger Sayle <roger@eyesopen.com>
4659 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4660 sizes by correctly testing whether the size fits a host integer.
4661 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4662 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4663 SImode range for the default sizetype and bitsizetype.
4665 2006-03-29 Roger Sayle <roger@eyesopen.com>
4667 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4668 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4669 quickly if the argument is already of the correct type.
4670 Call fold_build1 instead of build1. Tidy up blank lines.
4672 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4674 * genemit.c (main): Add tm-constrs.h to included headers.
4675 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4676 * genpeep.c (main): Add tm-constrs.h to included headers.
4677 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4678 (write_tm_constrs_h): this and write complete file.
4679 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4680 (write_insn_preds_c): Add tm-constrs.h to included headers.
4681 (gen_constrs): New variable.
4682 (parse_option): Parse "-c".
4683 (main): Invoke write_tm_constrs_h.
4684 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4685 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4686 (object_out_file): Add tm-constrs.h dependency.
4687 (insn-emit.o): Same.
4688 (insn-output.o): Same.
4689 (insn-peep.o): Same.
4690 (insn-preds.o): Same.
4691 (insn-recog.o): Same.
4692 (tm-constsr.h): New target.
4693 (s-constrs-h): New target.
4695 * config/rs6000/constraints.md: New file.
4696 * config/rs6000/rs6000.c: Include tm-constrs.h.
4697 (num_insn_constant_wide): Convert to satisfies_constraint.
4698 (rs6000_rtx_costs): Convert to satisfies_constraint.
4699 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4700 (CONST_OK_FOR_LETTER_P): Delete.
4701 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4702 (EXTRA_CONSTRAINT): Delete.
4703 (EXTRA_MEMORY_CONSTRAINT): Delete.
4704 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4705 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4706 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4707 satisfies_constraint.
4709 * config/i386/i386.c: Include tm-constrs.h.
4711 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4713 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4714 * tree-data-ref.c (find_data_references_in_loop,
4715 compute_data_dependences_for_loop): Use pointers to VEC.
4716 (analyze_all_data_dependences): Adjust calls.
4717 * tree-data-ref.h (find_data_references_in_loop,
4718 compute_data_dependences_for_loop): Adjust declarations.
4719 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4720 compute_data_dependences_for_loop.
4722 2006-03-29 Paul Brook <paul@codesourcery.com>
4724 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4727 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4729 PR tree-optimization/26859
4730 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4732 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4733 for the step after fold_convert.
4735 2006-03-29 Paul Brook <paul@codesourcery.com>
4737 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4738 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4740 2006-03-29 Paul Brook <paul@codesourcery.com>
4743 * targhooks.c (default_narrow_bitfield): New fuction.
4744 * targhooks.h (default_narrow_bitfield): add prototype.
4745 * target.h (gcc_target): Add narrow_volatile_bitfield.
4746 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4747 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4748 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4749 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4751 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4753 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4755 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4756 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4757 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4758 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4759 (s390_function_arg_float): Allow SDmode and DDmode values to be
4760 passed in floating point registers.
4761 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4762 check with SCALAR_FLOAT_MODE_P.
4763 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4765 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4767 PR tree-optimization/25985
4768 * tree-ssa-loop-niter.c (number_of_iterations_le,
4769 number_of_iterations_ne): Make comments more precise.
4770 (number_of_iterations_cond): Add only_exit argument. Use the
4771 fact that signed variables do not overflow only when only_exit
4773 (loop_only_exit_p): New.
4774 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4775 number_of_iterations_cond.
4777 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4779 PR tree-optimization/26643
4780 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4783 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4785 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4786 (divsi3_i4_int): Likewise.
4788 2006-03-28 Roger Sayle <roger@eyesopen.com>
4790 * expr.c (emit_group_store): Only create a new pseudo reg if the
4791 quantity it needs to hold isn't already a suitable pseudo.
4793 2006-03-28 Jeff Law <law@redhat.com>
4795 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4796 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4798 2006-03-28 Roger Sayle <roger@eyesopen.com>
4800 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4801 the equivalent ~X & Y, and the symmetry related transformations.
4802 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4803 ~X & Y, and symmetry related transforms.
4805 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4807 Revert my 2006-03-27 patches.
4809 2006-03-28 Roger Sayle <roger@eyesopen.com>
4811 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4812 ~(T1)X, when T1 and T2 are integer types of the same precision
4813 and (T2)X isn't an extension.
4815 2006-03-28 Jeff Law <law@redhat.com>
4817 PR tree-optimization/26796
4818 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4819 need EH edge cleanups rather than purging them immediately.
4820 (eliminate_degenerate_phis): Handle queued EH cleanups.
4822 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4824 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4827 2006-03-27 Roger Sayle <roger@eyesopen.com>
4830 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4831 cast BIT_NOT_EXPR operand to the correct type.
4833 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4835 * tree-loop-linear.c: Don't include varray.h.
4836 (gather_interchange_stats, try_interchange_loops,
4837 linear_transform_loops): Use VEC instead of VARRAY.
4838 * lambda-mat.c: Don't include varray.h.
4839 * tree-chrec.c: Same.
4840 * lambda-trans.c: Same.
4841 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4842 VEC instead of VARRAY.
4843 * tree-vectorizer.h: Idem.
4844 * tree-data-ref.c (dump_data_references,
4845 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4846 initialize_data_dependence_relation, finalize_ddr_dependent,
4847 compute_all_dependences, find_data_references_in_loop,
4848 compute_data_dependences_for_loop, analyze_all_data_dependences,
4849 free_dependence_relation, free_dependence_relations,
4850 free_data_refs): Idem.
4851 * tree-data-ref.h (data_reference_p, subscript_p): New.
4852 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4853 VEC instead of VARRAY.
4854 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4855 (find_data_references_in_loop, compute_data_dependences_for_loop,
4856 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4857 dump_data_dependence_relations, free_dependence_relations,
4858 free_data_refs): Adjust declaration.
4859 (lambda_transform_legal_p): Move declaration here...
4860 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4861 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4862 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4863 vect_analyze_data_refs): Use VEC instead of VARRAY.
4864 * lambda.h (lambda_transform_legal_p): ...from here.
4865 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4866 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4867 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4868 tree-chrec.o): Don't depend on VARRAY_H.
4870 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4872 * rtl.def (Copyright): Update date.
4873 (DEPS_LIST): Change type of the second operand to 'int'.
4874 * target.h (Copyright): Update date.
4875 (struct gcc_target.speculate_insn): Change type of the second parameter
4877 * lists.c (Copyright): Update date.
4878 (alloc_DEPS_LIST): Change signature. Update reference to the second
4879 operand of the DEPS_LIST.
4880 (copy_DEPS_LIST_list): Update reference to the second operand of the
4882 * rtl.h (Copyright): Update date.
4883 (alloc_DEPS_LIST): Update signature.
4884 * sched-int.h (Copyright): Update date.
4885 (ds_t): Change typedef to 'int'.
4886 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4888 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4890 * haifa-sched.c (Copyright): Update date.
4891 (try_ready): Change condition to restore non-speculative pattern
4893 (process_insn_depend_be_in_spec): Code to keep probability of the
4894 speculative dependence non-decreasing.
4896 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4898 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4899 shut up the compiler.
4901 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4903 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4904 to use lib prefix for target.
4905 ($(T)libic_invalidate_array_4-200.a): Likewise.
4906 ($(T)libic_invalidate_array_4a.a): Likewise.
4908 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4909 J"orn Rennecke <joern.rennecke@st.com>
4911 * superh.opt: New file.
4912 * sh.c (boardtype, osruntime): Remove.
4913 * superh.h (SUBTARGET_OPTIONS): Remove.
4914 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4916 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4917 arguments with ^ and/or [].
4919 * config.gcc (sh-*-*): Add quoting to account for quirk of
4921 Replace == with = in enable_incomplete_targets test.
4923 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4924 with MASK_LITTLE_ENDIAN.
4926 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4927 * config/sh/sh.opt: Added to some comments.
4928 * config/sh/superh.h: Removed some chaff.
4930 * config/sh/sh.opt: Add m4-[1234]00* options.
4931 * config/sh/sh.c (sh_handle_option): Likewise.
4932 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4933 (ic_invalidate_array_4-100.o): New rule.
4934 ($(T)libic_invalidate_array_4-100.a): Likewise.
4935 (ic_invalidate_array_4-200.o): Likewise.
4936 ($(T)libic_invalidate_array_4-200.a): Likewise.
4937 (ic_invalidate_array_4a.o): Likewise.
4938 ($(T)libic_invalidate_array_4a.a): Likewise.
4939 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4940 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4942 * config/sh/crt1.asm: Merged in profiling code.
4943 * config/sh/superh.h (STARTFILE_SPEC): Override.
4944 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4945 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4946 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4948 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4949 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4950 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4952 * sh.opt (mpretend-cmove): New option.
4953 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4954 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4955 (movsicc): Add TARGET_PRETEND_CMOVE code.
4957 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4959 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4960 s390_class_max_nregs): New function prototypes.
4961 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4962 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4963 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4964 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4966 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4968 * dwarf2out.c (add_location_or_const_value_attribute): Call
4969 tree_add_const_value_attribute if nothing else works.
4970 (reference_to_unused): New.
4971 (rtl_for_decl_init): Use reference_to_unused to decide whether
4972 to output an initializer.
4974 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4977 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4978 peephole removing spe frob_di_df_2.
4980 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4982 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4983 (subscript_dependence_tester_1): Declared.
4984 (print_dir_vectors, print_dist_vectors): New.
4985 (debug_data_dependence_relation): New.
4986 (dump_data_dependence_relation): Print more details.
4987 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4988 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4989 (save_dist_v, save_dir_v, add_outer_distances,
4990 build_classic_dist_vector_1): New.
4991 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4992 Don't test for lambda_vector_lexico_pos.
4993 (same_access_functions, add_multivariate_self_dist,
4994 add_other_self_distances, dir_from_dist): New.
4995 (build_classic_dir_vector): Replace implementation almost identical to
4996 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4998 (subscript_dependence_tester_1): New.
4999 (subscript_dependence_tester): Handle the lexicographically negative
5000 distance vectors by recomputing the dependence relation.
5001 (compute_affine_dependence): Remove parameter loop_nest_depth.
5002 (compute_self_dependence): Don't call compute_subscript_distance.
5003 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5004 Add a parameter for the loop_nest.
5005 (find_loop_nest_1, find_loop_nest): New.
5006 (compute_data_dependences_for_loop): Compute the loop nest, and give
5007 up if the nest is not well formed.
5008 * tree-data-ref.h (loop_p): New.
5009 (struct data_dependence_relation): Replace size_vect field with
5010 loop_nest, a vec of loops.
5011 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5012 (DDR_LOOP_NEST): New.
5013 (print_dir_vectors, print_dist_vectors,
5014 debug_data_dependence_relation): Declared.
5015 (index_in_loop_nest): New.
5016 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5017 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5020 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5022 * simplify-rtx.c (simplify_relational_operation): Call
5023 simplify_relational_operation_1 even if mode is VOIDmode.
5025 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5027 PR tree-optimization/26804
5028 * tree.h (DECL_CALL_CLOBBERED): New macro.
5029 (tree_decl_common): Add call_clobbered_flag.
5030 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5031 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5032 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5033 (mark_non_addressable): Ditto.
5034 * tree-ssa.c (verify_call_clobbered): New function.
5035 (verify_alias_info): Use it.
5036 * tree-pass.h (pass_reset_cc_flags): New prototype.
5037 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5038 (reset_cc_flags): New function.
5039 * passes.c (init_optimization_passes): Call reset_cc_flags after
5040 initializing referenced_vars.
5042 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5043 Roger Sayle <roger@eyesopen.com>
5046 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5047 to 1.0 for non-real operands. Implement A / A optimization for
5050 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5052 * config/i386/i386.c (size_cost): Correct the comment for
5053 cost of storing fp registers.
5054 (i386_cost): Likewise.
5055 (i486_cost): Likewise.
5056 (pentium_cost): Likewise.
5057 (pentiumpro_cost): Likewise.
5058 (k6_cost): Likewise.
5059 (athlon_cost): Likewise.
5060 (k8_cost): Likewise.
5061 (pentium4_cost): Likewise.
5062 (nocona_cost): Likewise.
5063 (generic64_cost): Likewise.
5064 (generic32_cost): Likewise.
5066 2006-03-24 Denis Chertykov <denisc@overta.ru>
5068 * config/avr/avr-protos.h (extra_constraint): Delete.
5069 (extra_constraint_Q): New declaration.
5070 * config/avr/constraints.md: New file.
5071 * config/avr/avr.md: Include it.
5072 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5073 (TMP_REGNO, ZERO_REGNO): Likewise.
5074 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5075 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5076 (extra_constraint): Delete.
5077 (extra_constraint_Q): Test for memory constraint 'Q'.
5078 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5079 (REG_CLASS_FROM_LETTER): Delete.
5080 (CONST_OK_FOR_LETTER_P): Delete.
5081 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5082 (EXTRA_CONSTRAINT): Delete.
5083 (TMP_REGNO): Delete.
5084 (ZERO_REGNO): Delete.
5086 2006-03-24 Jeff Law <law@redhat.com>
5088 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5089 directly. Call mark_new_vars_to_rename slightly earlier.
5091 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5093 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5095 (gen_compile_unit_die): Use new language types for Objective-C and
5097 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5098 DW_LANG_C_plus_plus.
5101 * config/t-darwin (crt3.o): Work around bug 26840.
5102 * config/darwin-crt3.c: Rewrite.
5103 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5105 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5107 * doc/invoke.texi: Document -femit-class-debug-always
5108 * common.opt: Add -femit-class-debug-always.
5110 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5112 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5113 index and base register.
5114 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5115 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5116 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5117 REGNO_OK_FOR_INDEX_P.
5118 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5120 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5121 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5122 REG_OK_FOR_BASE_P): Definitions removed.
5124 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5127 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5128 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5129 set yet or weren't marked as local yet.
5131 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5133 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5136 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5138 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5139 (rs6000_legitimate_small_data_p): Delete.
5140 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5141 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5142 and make static. Add forward declaration. Update uses.
5143 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5144 of offsettable_memref_p.
5145 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5146 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5148 2006-03-24 Jeff Law <law@redhat.com>
5150 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5151 around bug in immediate-use iterator.
5153 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5156 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5157 or __LITTLE_ENDIAN__.
5159 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5161 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5162 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5163 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5164 * config/sh/sh.opt (mdiv=): Amend description.
5165 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5166 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5167 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5168 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5169 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5170 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5171 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5172 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5173 TARGET_DIVIDE_CALL_FP.
5175 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5177 * haifa-sched.c (choose_ready): Fix type of the local variable.
5178 Move local variables. Add comment.
5179 (check_reg_live): Change signature. Make callable from debugger.
5180 * sched-int.h (check_reg_live): Update signature.
5181 * sched-ebb.c (check_reg_live): Update parameters.
5182 * sched-rgn.c (check_reg_live): Ditto.
5183 (region_head_or_leaf_p): Check pointer before dereferencing.
5184 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5185 before reload on optimization levels below 1.
5187 2006-03-23 Richard Henderson <rth@redhat.com>
5189 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5193 * config/alpha/predicates.md (local_symbolic_operand): Reject
5196 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5199 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5200 expressions which have overflowed constants.
5202 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5204 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5206 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5208 * cfgloopmanip.c (create_loop_notes): Removed.
5209 * final.c (final_scan_insn): Do not handle loop notes.
5210 * jump.c (squeeze_notes): Ditto.
5211 * cfglayout.c (skip_insns_after_block,
5212 duplicate_insn_chain): Ditto.
5213 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5215 * cfgloop.h (create_loop_notes): Declaration removed.
5217 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5219 * varasm.c (output_constant_pool): Restore fnname and fndecl
5221 (assemble_start_function): Adjust call accordingly.
5222 (assemble_end_function): Likewise.
5224 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5227 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5230 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5232 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5235 * system.h (ICE_EXIT_CODE): New macro.
5236 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5237 (diagnostic_action_after_output): Likewise.
5238 * gcc.c (fatal_ice): New function.
5239 (execute): Use it instead of fatal.
5240 (fancy_abort): Likewise.
5241 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5243 2006-03-22 Jeff Law <law@redhat.com>
5245 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5246 iv_analyze_result returning false.
5248 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5250 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5252 2006-03-22 Richard Henderson <rth@redhat.com>
5255 * except.c (duplicate_eh_regions_0): New.
5256 (duplicate_eh_region_1): Duplicate the children of the node as
5257 well as the node itself. Link them up properly.
5258 (duplicate_eh_region_2): Merge into ...
5259 (duplicate_eh_regions): ... here. Take copy_region argument, and
5260 copy only a sub-tree if asked. Simplify copying and fixup.
5261 (eh_region_outer_p): New.
5262 * except.h (duplicate_eh_regions): Update decl.
5263 (eh_region_outer_p): Declare.
5264 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5265 (lower_omp_master): Likewise.
5266 (lower_omp_ordered): Likewise.
5267 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5268 (move_stmt_r): Use it to remap labels. Handle recursion vs
5269 remap_decls_p properly.
5270 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5271 (find_outermost_region_in_block): New.
5272 (new_label_mapper): New.
5273 (move_sese_region_to_fn): Copy eh information to the new function
5275 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5277 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5280 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5282 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5283 into shared libraries.
5285 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5287 * doc/md.texi: Refer to i386/constraints.md instead of
5289 * config/i386/constraints.md: New file, extracted from...
5290 * config/i386/predicates.md: ...here.
5291 * config/i386/i386.md: Include constraints.md.
5293 2006-03-21 Jason Merrill <jason@redhat.com>
5295 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5298 * expr.c (init_block_move_fn): Force default visibility.
5299 (init_block_clear_fn): Likewise.
5300 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5301 * targhooks.c (default_external_stack_protect_fail): Likewise.
5303 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5305 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5306 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5307 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5308 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5309 (loadgp): Use mips_current_loadgp_style.
5310 (loadgp_noshared): New pattern.
5311 (sibcall_internal): Use MIPS_CALL.
5312 (sibcall_value_internal): Likewise.
5313 (sibcall_value_multiple_internal): Likewise.
5314 (call_internal): Likewise.
5315 (call_value_internal): Likewise.
5316 (call_value_multiple_internal): Likewise.
5317 (call_split): Use MIPS_CALL and add an 'S' constraint.
5318 (call_value_split): Likewise.
5319 (call_value_multiple_split): Likewise.
5320 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5321 (-mshared): New option.
5322 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5323 (mips_current_loadgp_style): Declare.
5324 * config/mips/mips.c (mips_classify_symbol): Avoid using
5325 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5326 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5327 TARGET_ABSOLUTE_ABICALLS.
5328 (override_options): Adjust comments. Improve the warning that is
5329 issued when -mabicalls and -G are used together.
5330 (mips_file_start): Remove comment.
5331 (mips_current_loadgp_style): New function.
5332 (mips_gnu_local_gp): New variable.
5333 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5335 (mips_output_function_prologue): Use mips_current_laodgp_style.
5336 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5337 the cprestore instruction.
5338 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5339 live for TARGET_ABSOLUTE_ABICALLS.
5340 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5341 (ASM_SPEC): Pass down -mshared and -mno-shared.
5342 (MIPS_CALL): New macro.
5343 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5345 * doc/invoke.texi (-mabicalls): Update documentation.
5346 (-mshared): Document.
5348 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5350 * config/ia64/unwind-hpux.c: New file.
5351 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5353 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5356 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5358 2006-03-21 Jeff Law <law@redhat.com>
5360 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5361 type conversions of a VR_VARYING source to a wider type.
5363 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5365 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5366 tm_file on Solaris 10 and later.
5367 (sparc64-*-solaris2*): Likewise.
5368 (sparc-*-solaris2*): Likewise.
5369 * config/sol26.h: Rename to config/sol2-6.h.
5370 * config/sol2-10.h: New file.
5372 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5375 * tree-ssa-pre.c (create_component_ref_by_pieces):
5378 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5381 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5382 return it immediately.
5384 2006-03-21 Michael Matz <matz@suse.de>
5386 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5388 (remove_arc, add_arc): Update num_out_arcs member.
5389 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5391 (cache_presence): New function.
5392 (compare_states_for_equiv): New function.
5393 (state_is_differed): Don't take number of outargs, adjust callers.
5394 Use new invariant for speeding up.
5395 (init_equiv_class): Create initial classes based on sorted
5397 (partition_equiv_class): Don't track out_arcs_num.
5398 (evaluate_equiv_classes): Call cache_presence on all states and
5401 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5403 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5404 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5405 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5406 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5408 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5409 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5410 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5411 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5412 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5414 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5415 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5416 (REGNO_REG_CLASS): ARGP is in PREGS.
5417 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5419 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5420 to deal with those addresses.
5421 * addresses.h: New file.
5422 * caller-save.c: Include "addresses.h".
5423 (init_caller_save): Use new base_reg_class function.
5424 * rtl-factoring.c: Include "addresses.h".
5425 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5426 * recog.c: Include "addresses.h".
5427 (preprocess_constraints): Use new base_reg_class function.
5428 * regrename.c: Include "addresses.h".
5429 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5430 functions. Keep track of a new var INDEX_CODE to compute valid
5432 (replace_oldest_value_addr): Likewise.
5433 (replace_oldest_value_mem): Use base_reg_class.
5434 * reload.c: Include "addresses.h".
5435 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5436 (find_reloads): Use new base_reg_class function.
5437 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5438 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5439 all callers and prototype changed.
5440 * reload1.c: Include "addresses.h".
5441 (maybe_fix_stack_asms): Use base_reg_class.
5442 * regclass.c: Include "addresses.h".
5443 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5444 (init_reg_autoinc): Use new base_reg_class function.
5445 (record_reg_classes): Likewise.
5446 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5447 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5448 Use new args to compute necessary class.
5450 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5451 regrename.o, rtl-factoring.o): Update dependencies.
5452 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5453 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5454 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5455 REG_OK_FOR_INDEX_P): Delete documentation.
5457 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5459 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5460 from V7 to V9 for Solaris 7 and above.
5462 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5464 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5465 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5466 argument pointers may not alias any other storage.
5467 * common.opt: Define option -fargument-noalias-anything.
5468 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5469 alias semantics is specified by flag_argument_noalias > 2.
5471 2006-03-20 Jeff Law <law@redhat.com>
5473 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5474 (pass_phi_only_cprop): Declare.
5475 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5477 * tree-ssa-dom.c (degenerate_phi_result): New function.
5478 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5479 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5480 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5481 (eliminate_degenerate_phis): Likewise.
5482 (pass_phi_only_cprop): New pass descriptor.
5483 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5484 support code. Callers updated.
5485 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5486 (store_copy_prop): Likewise.
5487 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5489 2006-03-20 Jason Merrill <jason@redhat.com>
5492 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5493 (push_visibility, pop_visibility): Likewise.
5494 * c-pragma.h: Declare them.
5496 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5498 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5500 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5501 parameter and use get_ebb_head_tail.
5502 (sh_md_init_global): Adjust uses of find_regmode_weight.
5504 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5506 * function.h (struct function) <x_tail_recursion_reentry>:
5507 Rename to x_stack_check_probe_note.
5508 (tail_recursion_reentry): Rename to stack_check_probe_note.
5509 * function.c: Replace tail_recursion_reentry with
5510 stack_check_probe_note everywhere.
5511 (expand_function_start): Only emit a note for
5512 stack_check_probe_note with -fstack-protect.
5513 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5515 * emit-rtl.c (remove_unnecessary_notes): Remove.
5516 (pass_remove_unnecessary_notes): Remove.
5517 * rtl.h (remove_unnecessary_notes): Remove prototype.
5518 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5519 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5520 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5522 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5525 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5526 (valid_in_set): Handle ARRAY_REF.
5527 Change "if min_variant or VH" to asserts.
5528 (create_component_ref_by_pieces): Handle ARRAY_REF.
5529 (create_expression_by_pieces): Likewise.
5530 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5532 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5534 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5535 is operand of switch, not str[0].
5537 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5539 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5540 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5542 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5544 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5545 end of insn_extra_address_constraint declaration.
5547 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5549 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5550 (no-sum-in-toc): Same.
5551 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5553 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5554 NO_FP_IN_TOC for -fPIC instead of mask.
5556 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5557 (BOOT_LDFLAGS): Delete.
5559 * config/rs6000/t-aix52: Same.
5561 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5562 (stmsi[345678]_power): New.
5564 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5566 * config/ia64/ia64.opt: Add empty line to end of file.
5568 2006-03-17 Richard Guenther <rguenther@suse.de>
5571 * builtins.c (get_pointer_alignment): For component style references
5572 adjust alignment to the component type alignment. Make sure
5573 to adjust alignment for component access of constants.
5575 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5577 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5580 2006-03-17 Paul Brook <paul@codesourcery.com>
5582 * doc/install.texi: Docuemnt --with-mode.
5583 * config.gcc: Add --with-mode for arm*-*-*.
5584 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5586 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5588 * sh.c (max_labelno_before_reorg): New variable.
5589 (sh_reorg): Initialize it.
5590 (find_barrier): Check max_labelno_before_reorg before using
5591 label_to_alignment. Take length of explicit alignment insns
5592 into account. When seeing a UNSPECV_CONST_END, return it.
5594 * sh.c (fixup_mova): Set mode of affected label to QImode.
5595 (untangle_mova): New function.
5596 (find_barrier): Use it. Check mode of label before decrementing
5598 (sh_reorg): Likewise.
5599 Set mode of all insns back to VOIDmode.
5601 * sh.c (MOVA_LABELREF): New macro.
5602 (mova_p, fixup_mova, sh_reorg): Use it.
5603 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5604 ADDR_DIFF_VEC matches mova.
5606 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5608 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5609 with ATTRIBUTE_UNUSED.
5611 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5613 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5614 pointer, instead of assuming it is possible to derive the
5615 correct args size from a call insn.
5617 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5619 * rtl.h (CONST_INT_P): Define.
5620 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5621 instead of GET_CODE(x) == CONST_INT.
5622 (vax_rtx_costs): Likewise.
5623 (vax_output_int_move): Likewise.
5624 (vax_output_int_add): Likewise.
5625 (legitimate_constant_address_p): Likewise.
5626 (index_term_p): Likewise.
5627 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5628 * config/vax/vax.md (and<mode>3): Likewise.
5629 (ashrsi3): Likewise.
5631 (movstricthi): Likewise.
5632 (movstrictqi): Likewise.
5633 (rotrsi3): Likewise.
5634 (five unnamed insns): Likewise.
5636 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5638 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5639 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5640 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5641 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5642 Pass to ASM_OUTPUT_DWARF_OFFSET.
5643 * dwarf2out.c (debug_frame_section): New.
5644 (output_call_frame_info): Use debug_frame_section. Pass it to
5645 dw2_asm_output_offset.
5646 (output_die): Pass appropriate section to dw2_asm_output_offset.
5647 (output_compilation_unit_header): Likewise.
5648 (output_pubnames): Likewise.
5649 (output_aranges): Likewise.
5650 (enum dw_val_class): Break dw_val_class_lbl_offset into
5651 dw_val_class_lineptr and dw_val_class_macptr.
5652 (add_AT_lbl_offset): Delete.
5653 (add_AT_lineptr): New.
5654 (add_AT_macptr): New.
5655 (AT_lbl): Expect a lineptr or macptr.
5656 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5657 (attr_checksum): Likewise.
5658 (same_dw_val_p): Likewise.
5659 (size_of_die): Likewise.
5660 (value_format): Likewise.
5661 (output_die): Likewise.
5662 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5664 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5665 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5666 * config/darwin-protos.h (darwin_file_start): New.
5667 (darwin_asm_output_dwarf_offset): New.
5668 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5669 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5671 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5672 if not EH section; simplify.
5673 (darwin_file_start): New.
5674 (darwin_asm_output_dwarf_offset): New.
5675 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5677 (DEBUG_INFO_SECTION): Likewise.
5678 (DEBUG_ABBREV_SECTION): Likewise.
5679 (DEBUG_ARANGES_SECTION): Likewise.
5680 (DEBUG_MACINFO_SECTION): Likewise.
5681 (DEBUG_LINE_SECTION): Likewise.
5682 (DEBUG_LOC_SECTION): Likewise.
5683 (DEBUG_PUBNAMES_SECTION): Likewise.
5684 (DEBUG_STR_SECTION): Likewise.
5685 (DEBUG_RANGES_SECTION): Likewise.
5686 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5687 (ASM_OUTPUT_DWARF_OFFSET): New.
5689 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5691 * config.gcc (tm_defines): Always add to previous value rather
5694 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5696 * config/mips/predicates.md (splittable_const_int_operand): New,
5697 split from move_operand.
5698 (splittable_symbolic_operand): New.
5699 (move_operand): Add commentary. Use splittable_const_int_operand.
5700 Inline mips_atomic_symbolic_constant_p.
5701 * config/mips/mips.md: Add combine splitters for handling moves
5702 of splittable_const_int_operands and splittable_symbolic_operands.
5703 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5704 (mips_split_symbol): Declare.
5705 (mips_move_integer): Declare.
5706 * config/mips/mips.c (mips_split_p): Make global.
5707 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5708 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5709 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5710 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5711 (mips_offset_within_object_p): Handle block symbols.
5712 (mips_atomic_symbolic_constant_p): Delete.
5713 (mips_cannot_force_const_mem): Return false for constants that
5714 mips_legitimize_move can handle.
5715 (mips_use_blocks_for_constant_p): New function.
5716 (mips_split_symbol): Make global.
5717 (mips_move_integer): Likewise. Add a temporary register argument.
5718 (mips_legitimize_const_move): Use splittable_const_int_operand and
5719 splittable_symbolic_operand.
5720 (mips_use_anchors_for_symbol_p): New function.
5721 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5722 (mips_split_p): Declare.
5724 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5726 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5727 (mips*-*-linux*): Likewise.
5729 2006-03-16 Roger Sayle <roger@eyesopen.com>
5730 Daniel Speyer <dspeyer@wam.umd.edu>
5733 * tree-dump.c (dump_real): New function.
5734 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5735 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5736 (tree-dump.o): Add $(REAL_H) to the dependencies.
5738 2006-03-16 Roger Sayle <roger@eyesopen.com>
5741 * real.c (real_from_string): If the mantissa is zero, don't bother
5742 parsing the exponent as the result should always be zero.
5744 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5746 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5748 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5750 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5751 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5752 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5753 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5754 ia64_sched_finish_global): New static functions to implement
5755 hooks from gcc_target.sched.
5756 (spec_check_no, max_uid, pending_data_specs): New static variables.
5757 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5758 ia64_spec_check_src_p): New static functions.
5759 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5760 (TARGET_SCHED_ADJUST_COST): Removed.
5761 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5762 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5763 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5764 TARGET_SCHED_GEN_CHECK,
5765 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5766 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5767 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5768 Fixed to handle speculation checks.
5769 (rtx_needs_barrier): Fixed to handle speculative loads and
5771 (ia64_variable_issue): Added code to count speculative loads and their
5773 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5775 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5777 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5779 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5780 (ia64_reorg): Reset stops_p to NULL after it is freed.
5781 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5782 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5783 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5785 (data_speculative, control_speculative, check_load): New attributes.
5786 (mov<mode>_advanced, mov<mode>_speculative,
5787 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5788 zero_extend<mode>di2_speculative,
5789 zero_extend<mode>di2_speculative_advanced): New patterns for
5790 data and control speculative loads.
5791 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5793 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5794 New pattern for data and control speculation checks.
5795 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5796 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5797 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5798 Auxiliary definitions for the patterns.
5799 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5800 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5802 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5804 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5805 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5806 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5807 New resource constraints.
5808 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5810 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5811 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5812 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5813 msched-in-control-spec, msched-ldc, msched-control-ldc,
5814 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5815 msched-prefer-non-control-spec-insns,
5816 msched-count-spec-in-critical-path): New flags to tune speculative
5818 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5819 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5820 msched-in-control-spec, msched-ldc, msched-control-ldc,
5821 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5822 msched-prefer-non-control-spec-insns,
5823 msched-count-spec-in-critical-path): Document new flags.
5825 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5827 * target.h (struct spec_info_def): New opaque declaration.
5828 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5829 speculate_insn, needs_block_p, gen_check,
5830 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5831 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5832 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5833 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5834 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5835 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5837 (TARGET_SCHED): Use new macros.
5838 * rtl.h (copy_DEPS_LIST_list): New prototype.
5839 * sched-int.h (struct sched_info): Change signature of new_ready field,
5840 adjust all initializations. New fields: add_remove_insn,
5841 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5842 region_head_or_leaf_p.
5843 (struct spec_info_def): New structure declaration.
5844 (spec_info_t): New typedef.
5845 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5846 recovery_block, orig_pat.
5847 (glat_start, glat_end): New variables declaraions.
5848 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5850 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5851 DETACH_LIFE_INFO, USE_GLAT.
5852 (enum SPEC_SCHED_FLAGS): New enumeration.
5853 (NOTE_NOTE_BB_P): New macro.
5854 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5855 attach_life_info, debug_spec_status, check_reg_live): New functions.
5856 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5857 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5859 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5860 * ddg.c (get_block_head_tail): Adjust all uses.
5861 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5862 (sms_sched_info): Initialize new fields.
5863 (contributes_to_priority): Removed.
5864 * haifa-sched.c (params.h): New include.
5865 (get_block_head_tail): Adjust all uses.
5866 (ISSUE_POINTS): New macro.
5867 (glat_start, glat_end): New global variables.
5868 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5869 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5870 old_last_basic_block, before_recovery, current_sched_info_var,
5871 rgn_n_insns, luid): New static variables.
5872 (insn_cost1): New function. Move logic from insn_cost to here.
5873 (find_insn_reg_weight1): New function. Move logic from
5874 find_insn_reg_weight to here.
5875 (reemit_notes, move_insn, max_issue): Change signature.
5876 (move_insn1): Removed.
5877 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5878 extend_bb): New static functions to support extension of scheduler's
5880 (generate_recovery_code, process_insn_depend_be_in_spec,
5881 begin_speculative_block, add_to_speculative_block,
5882 init_before_recovery, create_recovery_block, create_check_block_twin,
5883 fix_recovery_deps): New static functions to support
5884 generation of recovery code.
5885 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5886 restore_bb_notes, move_block_after_check, move_succs): New static
5887 functions to support ebb scheduling.
5888 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5889 functions to support handling of register live information.
5890 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5891 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5892 add_jump_dependencies): New static functions.
5893 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5894 consistancy checking.
5895 (debug_spec_status): New function to call from debugger.
5896 (priority): Added code to handle speculation checks.
5897 (rank_for_schedule): Added code to distinguish speculative instructions.
5898 (schedule_insn): Added code to handle speculation checks.
5899 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5900 Fixed to handle ebbs.
5901 (move_insn): Added code to handle ebb scheduling.
5902 (max_issue): Added code to use ISSUE_POINTS of instructions.
5903 (choose_ready): Added code to choose between speculative and
5904 non-speculative instructions.
5905 (schedule_block): Added code to handle ebb scheduling and scheduling of
5906 speculative instructions.
5907 (sched_init): Initialize new variables.
5908 (sched_finish): Free new variables. Print statistics.
5909 (try_ready): Added code to handle speculative instructions.
5910 * lists.c (copy_DEPS_LIST_list): New function.
5911 * sched-deps.c (extend_dependency_caches): New function. Move logic
5912 from create_dependency_caches to here.
5913 (get_dep_weak, ds_merge): Make global.
5914 * genattr.c (main): Code to output prototype for
5915 dfa_clear_single_insn_cache.
5916 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5917 (output_dfa_clean_insn_cache_func): Code to output
5918 dfa_clear_single_insn_cache function.
5919 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5921 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5923 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5924 New static variables.
5925 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5926 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5928 (ebb_sched_info): Initialize new fields.
5929 (get_block_head_tail): Adjust all uses.
5930 (compute_jump_reg_dependencies): Fixed to use glat_start.
5931 (schedule_ebb): Code to remove unreachable last block.
5932 (schedule_ebbs): Added code to update register live information.
5933 * sched-rgn.c (region_sched_info): Initialize new fields.
5934 (get_block_head_tail): Adjust all uses.
5935 (last_was_jump): Removed. Adjust users.
5936 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5937 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5938 Implement new hooks.
5939 (check_dead_notes1): New static function.
5940 (struct region): New fields: dont_calc_deps, has_real_ebb.
5941 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5942 (BB_TO_BLOCK): Fixed to handle EBBs.
5943 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5944 (ebb_head): New static variable.
5945 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5946 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5948 (compute_dom_prob_ps): New assertion.
5949 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5950 global_live_at_start.
5951 (init_ready_list): New assertions.
5952 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5953 (new_ready): Add support for BEGIN_CONTROL speculation.
5954 (schedule_insns): Fixed code that updates register live information
5956 (schedule_region): Fixed to handle EBBs.
5957 (init_regions): Use extend_regions and check_dead_notes1.
5958 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5959 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5960 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5961 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5962 TARGET_SCHED_GEN_CHECK,
5963 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5964 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5965 * doc/invoke.texi (max-sched-insn-conflict-delay,
5966 sched-spec-prob-cutoff): Document.
5968 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5970 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5971 inter_tick, queue_index.
5972 (struct sched_info): Change signature of init_ready_list field.
5973 Adjust all initializations.
5974 (RESOLVED_DEPS): New access macro.
5975 (ready_add): Remove prototype.
5976 (try_ready): Add prototype.
5977 * sched-rgn.c (init_ready_list): Use try_ready.
5978 (schedule_region): Initialize
5979 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5980 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5981 (init_ready_list): Use try_ready.
5982 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5983 * lists.c (remove_list_elem): Remove `static'.
5984 (remove_free_INSN_LIST_elem): New function.
5985 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5986 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5987 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5989 (readyp): New variable.
5990 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5991 change_queue_index, resolve_dep): New static functions.
5992 (try_ready): New function. Adjust callers in sched-rgn.c and
5993 sched-ebb.c to use it instead of ready_add.
5994 (clock_var): Move at the begining of file.
5995 (rank_for_schedule): Fix typo.
5996 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5997 (ready_lastpos): Enforce assertion.
5998 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6000 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6001 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6002 (queue_to_ready): Use free_INSN_LIST_list.
6003 (early_queue_to_ready): Fix typo.
6004 (schedule_block): Init readyp. Move init_ready_list call after the
6005 initialization of clock_var. Fix error in rejecting insn by
6006 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6007 that previously corrected INSN_TICKs. Add code for handling
6009 (set_priorities): Fix typo.
6010 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6011 Clarify comment and code that keeps current_sched_info->next_tail
6014 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6016 * sched-rgn.c (extend_rgns): New static function.
6017 (find_rgns): Use it.
6018 (gather_region_statistics, print_region_statistics): New static
6020 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6021 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6023 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6024 Andrey Belevantsev <abel@ispras.ru>
6026 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6027 * lists.c (unused_deps_list): New variable.
6028 (free_list): Add assertions to verify the proper distinguishing
6029 between INSN_LISTs and DEPS_LISTs.
6030 (find_list_elem, remove_list_elem, remove_list_node): New static
6032 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6033 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6034 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6035 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6037 (free_INSN_LIST_node): Likewise.
6038 * modulo-sched.c (current_sched_info): Initialize flags field.
6039 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6040 * rtl.def (DEPS_LIST): Define.
6041 * rtl.h: Declare new functions from lists.c.
6042 * sched-deps.c (spec_dependency_cache): New static variable.
6043 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6044 (add_dependence): Change return type to void. Move the logic to ...
6045 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6046 (delete_all_dependences): Add comment about forward_dependency_cache.
6047 Handle spec_dependency_cache. Handle DEPS_LISTs.
6048 (fixup_sched_groups): Clarify the change of priority of output
6049 and anti dependencies.
6050 (sched_analyze_2): Adjust add_dependence calls to create data
6051 speculative dependence.
6052 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6053 Adjust all callers. Handle DEPS_LISTS.
6054 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6055 presence of speculation.
6056 (init_dependency_caches, free_dependency_caches):
6057 Handle spec_dependency_cache.
6058 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6059 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6060 New static functions.
6061 (add_or_update_back_dep, add_or_update_back_forw_dep,
6062 add_back_forw_dep, delete_back_forw_dep): New functions.
6063 * sched-int.h (ds_t, dw_t): New typedefs.
6064 (struct sched_info): Add new field flags.
6065 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6066 Prototype new sched-deps.c functions.
6067 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6068 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6069 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6070 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6071 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6072 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6074 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6076 * sched-rgn.c (current_sched_info): Initialize flags field.
6077 (schedule_insns): Initialize current_sched_info before the sched_init
6079 * sched-ebb.c (current_sched_info): Initialize flags field.
6080 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6081 Call add_or_update_back_dep instead of add_dependence.
6082 Create control speculative dependencies.
6083 (schedule_insns): Initialize current_sched_info before the sched_init
6086 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6088 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6090 (sh_fallback_frame_state): Likewise.
6092 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6094 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6095 Do switch on default_use_cxa_atexit.
6096 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6097 * config/darwin-crt3.o: New.
6098 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6099 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6100 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6102 * config/rs6000/t-darwin: Move crt2.o building to here.
6103 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6104 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6107 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6109 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6110 from '! xxx' to '!xxx' for coding-style conformance.
6111 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6112 (EXTRA_CONSTRAINT): Likewise.
6113 * config/vax/vax.md (four unnamed insns): Likewise.
6115 2006-03-15 Paul Brook <paul@codesourcery.com>
6117 * config/arm/arm.c (minipool_pad): New.
6118 (add_minipool_forward_ref): Include pool alignment padding in address
6120 (push_minipool_fix): Set minipool_pad.
6121 (minipool_pad): Ditto.
6123 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6125 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6126 instead of GET_CODE() == MEM and REG_P() instead of
6128 (print_operand_address): Likewise.
6129 (vax_address_cost): Likewise.
6130 (vax_rtx_costs): Likewise.
6131 (vax_notice_update_cc): Likewise.
6132 (vax_output_int_add): Likewise.
6133 (INDEX_REGISTER_P): Likewise.
6134 (BASE_REGISTER_P): Likewise.
6135 (nonindexed_address_p): Likewise.
6136 (vax_mode_dependent_address_p): Likewise.
6137 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6138 (PRINT_OPERAND): Likewise.
6139 * config/vax/vax.md (ashlsi3): Likewise.
6140 (ashlsi3): Likewise.
6141 (some more unnamed insns): Likewise.
6143 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6145 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6146 iterator-style macro.
6147 (mark_control_dependent_edges_necessary): Update the use of
6148 EXECUTE_IF_CONTROL_DEPENDENT.
6150 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6152 * config/sh/predicates.md (cache_address_operand): Special.
6153 (ua_address_operand): Likewise.
6155 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6157 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6159 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6161 2006-03-15 Andreas Schwab <schwab@suse.de>
6163 * gensupport.c (identify_predicable_attribute): Don't free p_false
6164 when it is still in use.
6166 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6168 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6169 the default setting here.
6171 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6173 * tree-pass.h (pass_cfg): Remove.
6174 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6175 * passes.c (pass_cfg): Don't run it.
6177 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6179 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6180 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6182 (stack_regs_mentioned): Update the uses of
6183 stack_regs_mentioned_data. Don't access the array beyond its
6185 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6186 Don't include gt-reg-stack.h.
6188 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6189 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6191 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6194 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6197 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6199 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6201 2006-03-14 Richard Guenther <rguenther@suse.de>
6203 PR tree-optimization/26672
6204 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6207 2006-03-14 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/26667
6210 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6211 node for the callees. Always allow inlining if it will shrink
6214 2006-03-14 Richard Guenther <rguenther@suse.de>
6217 * builtins.c (get_pointer_alignment): Prefer alignment
6218 information from decls over that from types.
6220 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6223 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6225 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6227 * config/rs6000/rs6000.opt (mdlmzb): New option.
6228 (msched-prolog, msched-epilog): Use Var not Mask.
6229 * doc/invoke.texi (-mdlmzb): Document.
6230 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6232 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6233 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6235 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6237 PR rtl-optimization/25739
6238 * bt-load.c (augment_live_range): Free tos pointer.
6240 * gensupport.c (identify_predicable_attribute): Free
6242 * gcov.c (create_file_names): Free name pointer.
6244 2006-03-13 Roger Sayle <roger@eyesopen.com>
6247 * stmt.c (emit_case_nodes): Handle the case where the index is a
6248 CONST_INT, where the comparison mode is specified by the index type.
6250 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6252 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6255 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6257 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6258 (*branch_fp_inverted): Likewise.
6260 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6263 * omp-low.c (expand_omp_for_generic): Mark istart0
6264 and iend0 as addressable.
6266 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6268 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6270 2006-03-13 Jeff Law <law@redhat.com>
6272 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6273 virtual operands are interesting.
6274 (vrp_visit_stmt): Corresponding changes.
6276 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6278 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6280 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6281 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6282 * config/bfin/crti.S: Use it instead of __PIC__.
6283 * config/bfin/crtn.S: Likewise.
6285 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6286 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6288 Lose 'G' modifier for call operand.
6289 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6290 recognize 'G' modifier.
6292 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6295 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6296 * stmt.c (expand_case): Likewise.
6298 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6300 PR rtl-optimization/26254
6301 * loop-invariant.c (seq_insns_valid_p): New function.
6302 (move_invariant_reg): Only emit new code if it is valid.
6304 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6306 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6308 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6309 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6310 (commit_one_edge_insertion): Do not look for loop notes.
6312 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6314 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6315 flag_test_coverage out of loop.
6317 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6319 * final.c (shorten_branches): Remove outdated comment, and turn
6320 the if branch that guards it to continue.
6322 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6324 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6325 * cfgloop.h (struct loop): Remove unused fields.
6327 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6329 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6330 (-dL, -fdump-rtl-loop2): Update the dump file names
6332 * doc/invoke.texi: Update dump file names.
6334 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6336 * predict.c (estimate_probability): Remove.
6337 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6338 * basic-block.h (estimate_probability): Remove prototype.
6339 * passes.c (finish_optimization_passes): Dump branch prediction or
6340 profiling heuristics to the .profile tree dump.
6341 (init_optimization_passes): Unqueue pass_branch_prob.
6343 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6345 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6347 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6348 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6350 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6352 * function.h (frame_offset_overflow): Declare.
6353 * function.c (frame_offset_overflow): New function.
6354 (assign_stack_local_1): Call it to detect that the offset overflows.
6355 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6357 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6359 * config/sh/sh.c: Include alloc-pool.h.
6360 (label_ref_list_pool): New alloc pool.
6361 (label_ref_list_t): New type for lists of labels.
6362 (struct pool_node): Make wend a label_ref_list_t.
6363 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6365 (dump_table): Likewise.
6366 (sh_reorg): Set up the alloc pool before using add_constant and
6367 dump_table, and destroy it when finishing.
6369 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6371 * config/mips/mips.c: Remove redundant comment.
6373 2006-03-10 Jason Merrill <jason@redhat.com>
6376 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6377 the target was declared 'register'.
6379 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6381 * genpreds.c (write_insn_constraint_len): Change definition of
6382 insn_constraint_len to return size_t to match the declaration.
6384 2006-03-10 DJ Delorie <dj@redhat.com>
6386 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6388 (m32c_expand_insv): Fix test for an AND mask.
6390 2006-03-10 Richard Guenther <rguenther@suse.de>
6393 * builtins.c (get_pointer_alignment): Handle component
6394 references for field alignment.
6396 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6398 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6399 when building with libgloss.
6400 (sh*elf): Implement --without-fp option.
6401 (sh64-superh-linux*): Don't multilib.
6403 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6405 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6407 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6409 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6410 Set it when one of the replacement functions returned true.
6411 Return TODO_cleanup_cfg if cfgchanged is true.
6412 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6414 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6416 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6417 instead of gen_lowpart.
6419 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6421 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6423 (mips_output_order_conditional_branch): Declare.
6424 * config/mips/mips.h (MIPS_BRANCH): New macro.
6425 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6426 for the comparison. Use gen_condjump.
6427 (mips_output_conditional_branch): Rework interface to take the
6428 asm templates for a direct branch and the inverse of a direct branch.
6429 (mips_output_order_conditional_branch): New function.
6430 (mips_builtin_branch_and_move): New function.
6431 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6432 branch condition. Use gen_single_cc as the condition for
6433 __builtin_mips_upper_* or __builtin_mips_lower_*.
6434 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6435 Use VOIDmode for the branch condition.
6436 * config/mips/predicates.md (order_operator): New predicate.
6437 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6438 (branch_fp): Rename to...
6439 (*branch_fp): ...this. Remove mode from comparison operator.
6440 Use new mips_output_conditional_branch interface.
6441 (branch_fp_inverted): Rename to...
6442 (*branch_fp_inverted): ...this and update as for *branch_fp.
6443 (*branch_zero<mode>): Rename to...
6444 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6445 Use mips_output_order_conditional_branch. Only accept ordered
6447 (*branch_zero<mode>_inverted): Rename to...
6448 (*branch_order<mode>_inverted): ...this and update as for
6449 *branch_order<mode>.
6450 (*branch_equality<mode>): Accept zero as the second operand to
6451 the equality operator. Use the new mips_output_conditional_branch
6453 (*branch_equality<mode>_inverted): Likewise.
6454 (condjump): New expander.
6455 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6457 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6458 (bc1any2t, bc1any2f): Likewise.
6459 (single_cc): New expander.
6460 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6462 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6464 * doc/md.texi: Update documentation of MIPS constraints.
6465 * config/mips/constraints.md: New file.
6466 * config/mips/mips.md: Include it.
6467 * config/mips/mips.c (mips_char_to_class): Delete.
6468 (override_options): Don't initialize mips_char_to_class.
6469 * config/mips/mips.h (mips_char_to_class): Delete.
6470 (REG_CLASS_FROM_LETTER): Delete.
6471 (CONST_OK_FOR_LETTER_P): Delete.
6472 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6473 (EXTRA_CONSTRAINT_Y): Delete.
6474 (EXTRA_CONSTRAINT_STR): Delete.
6475 (CONSTRAINT_LEN): Delete.
6476 (EXTRA_MEMORY_CONSTRAINT): Delete.
6478 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6480 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6481 original fn's eh regions.
6483 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6485 * fold-const.c (build_range_check): Make sure to use a valid type to
6486 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6489 (range_predecessor): New static function.
6490 (range_successor): Likewise.
6491 (merge_ranges): Use them to compute predecessors and successors of
6494 2006-03-09 Roger Sayle <roger@eyesopen.com>
6497 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6498 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6500 2006-03-08 DJ Delorie <dj@redhat.com>
6502 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6503 (addpsi3): Expand to include memory operands. Remove
6504 reload-specific splits.
6505 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6506 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6507 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6508 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6509 (shift1_qi, shift1_hi, insv): New.
6510 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6511 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6512 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6514 * config/m32c/m32c-protos.h: Update as needed.
6515 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6516 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6517 Fail for unrecognized R* constraints.
6518 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6519 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6520 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6522 (m32c_init_libfuncs): New.
6523 (m32c_legitimate_address_p): Add debug wrapper.
6524 (m32c_rtx_costs): New.
6525 (m32c_address_cost): New.
6526 (conversions): Add 'B' prefix.
6527 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6528 operands, or word regnames for QI operands. 'B' prints bit
6530 (m32c_expand_setmemhi): New.
6531 (m32c_expand_movmemhi): New.
6532 (m32c_expand_movstr): New.
6533 (m32c_expand_cmpstr): New.
6534 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6535 (m32c_expand_neg_mulpsi3): Handle non-ints.
6536 (m32c_cmp_flg_0): New.
6537 (m32c_expand_movcc): New.
6538 (m32c_expand_insv): New.
6539 (m32c_scc_pattern): New.
6540 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6541 a0/a1 out of SIregs.
6542 (STORE_FLAG_VALUE): New.
6543 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6546 * config/m32c/mov.md: Make constraints more liberal.
6547 (zero_extendqihi2): Optimize r0/r1 case.
6548 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6549 * config/m32c/predicates.md (m32c_any_operand): New.
6550 (m32c_nonimmediate_operand): New.
6551 (m32c_hl_operand): New.
6552 (m32c_r3_operand): New.
6555 (memsym_operand): New.
6556 (memimmed_operand): New.
6557 (a_qi_operand): New.
6558 (m32c_eqne_operator): New.
6559 (m32c_1bit8_operand): New.
6560 (m32c_1bit16_operand): New.
6561 (m32c_1mask8_operand): New.
6562 (m32c_1mask16_operand): New.
6563 * config/m32c/blkmov.md: New file.
6564 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6566 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6568 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6569 unsigned to fix signed/unsigned comparison issue in
6570 DWARF2_FRAME_REG_OUT.
6571 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6572 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6574 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6575 of ptr into the ENABLE_CHECKING section.
6577 2006-03-08 Jeff Law <law@redhat.com>
6579 * tree-vrp.c (infer_value_range): Only count pointer uses
6580 and dereferences if -fdelete-null-pointer-checks is enabled.
6582 * tree-vrp.c (find_assert_locations): Infer value ranges for
6583 single use pointers, but do not create ASSERT_EXPRs for them.
6584 When a non-null range is inferred for a pointer, backwards
6585 propagate that range to other equivalent pointers through the
6588 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6591 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6592 language hook targets.
6593 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6594 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6595 if language hook targets were missing.
6597 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6599 * tree-ssa-opfinalize.h: Removed.
6600 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6602 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6603 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6604 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6605 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6606 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6607 finalize_ssa_v_must_def_ops): New.
6609 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6611 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6614 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6616 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6618 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6619 addresses with offsets; reorganize.
6621 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6622 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6623 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6625 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6628 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6630 2006-03-08 Ben Elliston <bje@au.ibm.com>
6632 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6634 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6637 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6640 2006-03-07 Richard Guenther <rguenther@suse.de>
6642 PR tree-optimization/26587
6643 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6645 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6647 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6649 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6651 * hooks.c (hook_bool_mode_rtx_true): New function.
6652 * hooks.h (hook_bool_mode_rtx_true): Declare.
6653 * toplev.c (compile_file): Call output_shared_constant_pool.
6654 * varasm.c (shared_constant_pool): New variable.
6655 (assemble_start_function, assemble_end_function): Remove arguments
6656 from call to output_constant_pool.
6657 (create_constant_pool): New function, split out from...
6658 (init_varasm_status): ...here.
6659 (force_const_mem): Choose between the shared and per-function constant
6660 pools. Set current_function_uses_const_pool when reusing old entries
6661 as well as when creating new ones.
6662 (mark_constant): Ignore data argument.
6663 (mark_constants): Remove pool argument.
6664 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6665 to decide whether the function uses a constant pool.
6666 (output_constant_pool_contents): New function, split out from...
6667 (output_constant_pool): ...here.
6668 (output_shared_constant_pool): New function.
6669 (init_varasm_once): Initialize shared_constant_pool.
6670 * output.h (output_constant_pool): Delete.
6671 (output_shared_constant_pool): Declare.
6672 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6673 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6675 2006-03-06 Nick Clifton <nickc@redhat.com>
6677 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6678 flag_strength_reduce.
6680 2006-03-06 Ben Elliston <bje@au.ibm.com>
6682 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6683 x86_64-*-linux* configurations.
6685 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6686 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6688 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6690 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6692 * basic-block.h: Remove the extern for
6693 rediscover_loops_after_threading.
6695 * cfgloop.c (cancel_loop): Make it static.
6696 * cfgloop.h: Remove the prototype for cancel_loop.
6698 * flow.c (recompute_reg_usage): Make it static.
6699 * rtl.h: Remove the prototype for recompute_reg_usage.
6701 * function.c (use_return_register): Make it static.
6702 * function.h: Remove the prototype.
6704 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6706 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6708 * recog.h: Remove the prototype for
6709 validate_change_maybe_volatile.
6711 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6713 * rtlanal.c (replace_reg): Remove.
6714 * rtl.h: Remove the prototype for replace_reg.
6716 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6718 * regclass.c (reg_scan_update): Remove.
6719 (reg_scan_mark_refs): Remove the last argument.
6720 * rtl.h: Remove the prototype for reg_scan_update.
6722 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6724 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6725 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6726 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6727 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6728 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6729 loop-invariant.c, omp-low.c, opts.c, passes.c,
6730 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6731 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6732 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6733 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6734 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6735 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6737 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6739 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6740 * dwarf2out.h: Remove the prototype for
6741 dwarf2out_add_library_unit_info.
6743 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6745 * tree.c (add_var_to_bind_expr): Remove.
6746 * tree.h: Remove the prototype for add_var_to_bind_expr.
6748 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6750 * regclass.c (n_non_fixed_regs): Remove.
6751 (init_reg_sets_1, globalize_reg): Remove all uses of
6753 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6755 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6757 * rtlanal.c (insns_safe_to_move_p): Remove.
6758 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6760 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6762 * expmed.c (expand_mult_add): Remove.
6763 * expr.h: Remove the prototype for expand_mult_add.
6765 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6767 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6768 and REG_SAVED_VAL_EXP constants.
6769 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6770 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6771 Handle regs stored by value.
6772 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6773 (execute_cfa_program): Handle DW_CFA_val_offset,
6774 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6775 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6776 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6777 (uw_install_context_1): Handle target regs stored by value.
6779 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6781 * tree-sra.c (tree_sra): Return todoflags;
6782 (generate_one_element): Set TODO_update_smt_usage if needed.
6783 (pass_sra): Remove TODO_update_smt_usage.
6784 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6786 (tree_ssa_forward_propagate_single_use_vars): Return
6787 TODO_update_smt_usage if we need to update SMT usage.
6788 (pass_forwprop): Remove TODO_update_smt_usage.
6790 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6792 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6793 (correct_use_link): Remove reference to get_stmt_operands.
6794 (update_stmt_operands): Likewise.
6795 (get_modify_expr_operands): New function factored out of
6796 parse_ssa_operands and get_expr_operands.
6797 Try to create V_MUST_DEFs for LHS by default.
6798 (get_expr_operands) <case MODIFY_EXPR>: Call
6799 get_modify_expr_operands.
6800 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6801 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6802 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6803 get_modify_expr_operands.
6805 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6807 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6808 * tree-flow.h: Remove the prototype for
6809 referenced_var_lookup_if_exists.
6811 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6813 PR rtl-optimization/26345
6815 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6817 2006-03-03 Roger Sayle <roger@eyesopen.com>
6819 PR tree-optimization/26524
6820 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6821 fold_convert to create a constant of the appropriate type.
6823 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6825 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6826 SYMBOL_REF_IN_BLOCK_P.
6827 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6828 of SYMBOL_FLAG_IN_BLOCK.
6829 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6830 instead of SYMBOL_REF_IN_BLOCK_P.
6831 * explow.c (use_anchored_address): Likewise.
6832 * rtl.c (rtx_size): Likewise.
6833 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6834 instead of SYMBOL_FLAG_IN_BLOCK.
6835 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6836 SYMBOL_REF_IN_BLOCK_P.
6837 (assemble_variable): Likewise.
6838 (output_constant_def_contents): Likewise.
6839 (output_constant_pool): Likewise.
6840 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6841 instead of SYMBOL_FLAG_IN_BLOCK.
6842 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6843 SYMBOL_REF_IN_BLOCK_P.
6844 (SYMBOL_REF_BLOCK): Likewise.
6845 (SYMBOL_REF_OFFSET): Likewise.
6846 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6847 SYMBOL_REF_IN_BLOCK_P.
6848 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6849 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6850 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6851 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6853 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6855 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6857 2006-03-02 Roger Sayle <roger@eyesopen.com>
6859 * simplify-rtx.c (simplify_unary_operation): When simplifying
6860 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6861 that we perform the right shift in the appropriate mode, and
6862 then extend or truncate the result to requested mode.
6864 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6866 * gengtype.c (main): Handle double_int type.
6867 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6868 * double-int.c: New file.
6869 * double-int.h: New file.
6870 * system.h: Include doubleint.h.
6871 * Makefile.in (SYSTEM_H): Include double-int.h.
6872 (double-int.o): Add.
6874 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6877 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6880 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6882 * tree-vrp.c (remove_range_assertions): Do not update statements
6885 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6887 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6889 * gcse.c (rest_of_handle_gcse): Ditto.
6890 * except.c (gate_handle_eh): Ditto.
6891 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6892 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6894 2006-03-02 Eric Christopher <echristo@apple.com>
6896 * config/i386/i386.c (machopic_output_stub): Add indirection to
6899 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6903 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6905 Sun Niagara specific optimizations.
6906 * config.gcc: Recognize niagara as target.
6907 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6908 (TARGET_CPU_niagara): Define.
6909 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6910 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6911 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6912 (ASM_CPU_SPEC): Likewise.
6913 (PROCESSOR_NIAGARA): New enum entry.
6914 (REGISTER_MOVE_COST): Handle Niagara.
6915 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6916 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6917 (sparc_override_options): Recognize "niagara", set appropriate
6918 default MASK_* values for it, and align functions to 32-bytes
6919 by default just like ULTRASPARC/ULTRASPARC3.
6920 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6921 (sparc64_initialize_trampoline): Likewise.
6922 (sparc_use_sched_lookahead): Use zero for niagara.
6923 (sparc_issue_rate): Use one for niagara.
6924 * config/sparc/niagara.md: New file.
6925 * config/sparc/sparc.md: Include it.
6926 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6927 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6928 when default cpu is niagara.
6929 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6930 (ASM_CPU_SPEC): Likewise.
6931 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6932 when default cpu is niagara.
6933 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6934 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6935 just like v9/ultrasparc/ultrasparc3.
6936 * doc/invoke.texi: Add documentation for "niagara" and improve
6937 existing documentation for ultrasparc variants.
6939 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6941 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6943 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6945 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6946 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6947 and say that only one is needed.
6948 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6949 * target.h (have_switchable_bss_sections): New hook.
6950 * explow.c (use_anchored_address): Check that the symbol is in a block.
6951 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6952 (bss_noswitch_section): New variables.
6953 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6954 (get_noswitch_section): New function.
6955 (get_block_for_section): Allow SECT to be null.
6956 (unlikely_text_section_p): Use SECTION_STYLE.
6957 (bss_initializer_p): New function.
6958 (get_variable_section): Move earlier in file. Take a new argument,
6959 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6960 Return one of the new *_sections in such cases.
6961 (get_block_for_decl): New function, extracting some logic from
6962 use_blocks_for_decl_p.
6963 (change_symbol_section): Remove in favor of...
6964 (change_symbol_block): ...this new function.
6965 (use_blocks_for_decl_p): Remove checks now performed by
6967 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6968 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6969 (emit_local, emit_bss, emit_common): ...these new functions.
6970 Return true if the alignment was honored.
6971 (emit_tls_common): New function.
6972 (asm_emit_uninitialised): Delete.
6973 (assemble_variable_noswitch): New function, split out from...
6974 (assemble_variable): ...here. Don't make decisions about common
6975 variables here. Globalize all public decls that go into non-common
6976 sections. Check whether SYMBOL_REF_BLOCK is null.
6977 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6978 (output_constant_pool): Likewise.
6979 (init_varasm_once): Initialize the new section variables.
6980 (have_global_bss_p): New function.
6981 (categorize_decl_for_section): Use bss_initializer_p.
6982 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6983 (place_block_symbol): Assert that the symbol must be in a block.
6984 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6985 (TARGET_INITIALIZER): Include it.
6986 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6987 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6988 (SECTION_MACH_DEP): Bump by two.
6989 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6990 (unnamed_section): Mention SECTION_UNNAMED in comment.
6991 (named_section): Likewise SECTION_NAMED.
6992 (noswitch_section_callback): New type.
6993 (noswitch_section): New structure.
6994 (section): Add a noswitch_section alternative.
6995 (SECTION_STYLE): New macro.
6996 (tls_comm_section, comm_section, lcomm_section): Declare.
6997 (bss_noswitch_section, have_global_bss_p): Declare.
6998 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6999 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7001 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7002 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7005 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7007 * tree-vrp.c (execute_vrp): Return value.
7008 * regrename.c (rest_of_handle_regrename): Ditto.
7009 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7010 * tree-complex.c (tree_lower_complex): Ditto.
7011 (tree_lower_complex_O0): Ditto.
7012 * tracer.c (rest_of_handle_tracer): Ditto.
7013 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7014 * postreload.c (rest_of_handle_postreload): Ditto.
7015 * tree-tailcall.c (execute_tail_recursion): Ditto.
7016 (execute_tail_calls): Ditto.
7017 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7018 * tree.h (init_function_for_compilation): Ditto.
7019 * ipa-cp.c (ipcp_driver): Ditto.
7020 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7021 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7022 * final.c (compute_alignments): Ditto.
7023 (rest_of_handle_final): Ditto.
7024 (rest_of_handle_shorten_branches): Ditto.
7025 (rest_of_clean_state): Ditto.
7026 * omp-low.c (execute_expand_omp): Ditto.
7027 (execute_lower_omp): Ditto.
7028 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7029 * ipa-reference.c (static_execute): Ditto.
7030 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7031 * reorg.c (rest_of_handle_delay_slots): Ditto.
7032 (rest_of_handle_machine_reorg): Ditto.
7033 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7034 * flow.c (recompute_reg_usage): Ditto.
7035 (rest_of_handle_remove_death_notes): Ditto.
7036 (rest_of_handle_life): Ditto.
7037 (rest_of_handle_flow2): Ditto.
7038 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7039 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7040 (do_ssa_store_ccp): Ditto.
7041 (execute_fold_all_builtins): Ditto.
7042 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7043 * modulo-sched.c (rest_of_handle_sms): Ditto.
7044 * ipa-pure-const.c (static_execute): Ditto.
7045 * cse.c (rest_of_handle_cse): Ditto.
7046 (rest_of_handle_cse2): Ditto.
7047 * web.c (rest_of_handle_web): Ditto.
7048 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7049 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7050 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7051 * tree-nrv.c (tree_nrv): Ditto.
7052 (execute_return_slot_opt): Ditto.
7053 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7054 (create_structure_vars): Ditto.
7055 * loop-init.c (rtl_loop_init): Ditto.
7056 (rtl_loop_done): Ditto.
7057 (rtl_move_loop_invariants): Ditto.
7058 (rtl_unswitch): Ditto.
7059 (rtl_unroll_and_peel_loops): Ditto.
7060 (rtl_doloop): Ditto.
7061 * gimple-low.c (lower_function_body): Ditto.
7062 (mark_used_blocks): Ditto.
7063 * tree-ssa-sink.c (execute_sink_code): Ditto.
7064 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7065 (cgraph_early_inlining): Ditto.
7066 * global.c (rest_of_handle_global_alloc): Ditto.
7067 * jump.c (cleanup_barriers): Ditto.
7068 (purge_line_number_notes): Ditto.
7069 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7070 (rest_of_handle_if_after_reload): Ditto.
7071 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7072 (tree_ssa_loop_im): Ditto.
7073 (tree_ssa_loop_unswitch): Ditto.
7074 (tree_vectorize): Ditto.
7075 (tree_linear_transform): Ditto.
7076 (tree_ssa_loop_ivcanon): Ditto.
7077 (tree_ssa_empty_loop): Ditto.
7078 (tree_ssa_loop_bounds): Ditto.
7079 (tree_complete_unroll): Ditto.
7080 (tree_ssa_loop_prefetch): Ditto.
7081 (tree_ssa_loop_ivopts): Ditto.
7082 (tree_ssa_loop_done): Ditto.
7083 * predict.c (tree_estimate_probability): Ditto.
7084 * recog.c (split_all_insns_noflow): Ditto.
7085 (rest_of_handle_peephole2): Ditto.
7086 (rest_of_handle_split_all_insns): Ditto.
7087 * tree-eh.c (lower_eh_constructs): Ditto.
7088 * regmove.c (rest_of_handle_regmove): Ditto.
7089 (rest_of_handle_stack_adjustments): Ditto.
7090 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7091 * function.c (instantiate_virtual_regs): Ditto.
7092 (init_function_for_compilation): Ditto.
7093 (rest_of_handle_check_leaf_regs): Ditto.
7094 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7095 (rest_of_handle_gcse): Ditto.
7096 * ipa-type-escape.c (type_escape_execute): Ditto.
7097 * alias.c (rest_of_handle_cfg): Ditto.
7098 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7099 * profile.c (rest_of_handle_branch_prob): Ditto.
7100 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7101 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7102 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7103 * tree-dfa.c (find_referenced_vars): Ditto.
7104 * except.c (set_nothrow_function_flags): Ditto.
7105 (convert_to_eh_region_ranges): Ditto.
7106 (rest_of_handle_eh): Ditto.
7107 * emit-rtl.c (unshare_all_rtl): Ditto.
7108 (remove_unnecessary_notes): Ditto.
7109 * except.h (set_nothrow_function_flags): Ditto.
7110 (convert_to_eh_region_ranges): Ditto.
7111 * cfgexpand.c (tree_expand_cfg): Ditto.
7112 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7113 * tree-ssa-pre.c (do_pre): Ditto.
7114 (execute_fre): Ditto.
7115 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7116 (rest_of_handle_jump2): Ditto.
7117 * tree-sra.c (tree_sra): Ditto.
7118 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7119 (execute_mudflap_function_decls): Ditto.
7120 * tree-ssa-copy.c (do_copy_prop): Ditto.
7121 (do_store_copy_prop): Ditto.
7122 * ipa-prop.h (ipcp_driver): Ditto.
7123 * cfglayout.c (insn_locators_initialize): Ditto.
7124 * tree-ssa-forwprop.c
7125 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7126 * cfglayout.h (insn_locators_initialize): Ditto.
7127 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7128 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7129 (execute_late_warn_uninitialized): Ditto.
7130 * rtl.h (cleanup_barriers): Ditto.
7131 (split_all_insns_noflow): Ditto.
7132 (purge_line_number_notes): Ditto.
7133 (unshare_all_rtl): Ditto.
7134 (remove_unnecessary_notes): Ditto.
7135 (recompute_reg_usage): Ditto.
7136 (variable_tracking_main): Ditto.
7137 * integrate.c (emit_initial_value_sets): Ditto.
7138 * integrate.h (emit_initial_value_sets): Ditto.
7139 * tree-optimize.c (execute_free_datastructures): Ditto
7140 (execute_free_cfg_annotations): Ditto.
7141 (execute_fixup_cfg): Ditto.
7142 (execute_cleanup_cfg_pre_ipa): Ditto.
7143 (execute_cleanup_cfg_post_optimizing): Ditto.
7144 (execute_init_datastructures): Ditto.
7145 * tree-object-size.c (compute_object_sizes): Ditto.
7146 * combine.c (rest_of_handle_combine): Ditto.
7147 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7148 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7149 (rest_of_handle_reorder_blocks): Ditto.
7150 (rest_of_handle_partition_blocks): Ditto.
7151 * var-tracking.c (variable_tracking_main): Ditto.
7152 * tree-profile.c (tree_profiling): Ditto.
7153 * tree-vect-generic.c (expand_vector_operations): Ditto.
7154 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7155 * sched-rgn.c (rest_of_handle_sched): Ditto.
7156 (rest_of_handle_sched2): Ditto.
7157 * basic-block.h (free_bb_insn): Ditto.
7158 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7159 * tree-cfg.c (execute_build_cfg): Ditto.
7160 (remove_useless_stmts): Ditto.
7161 (split_critical_edges): Ditto.
7162 (execute_warn_function_return): Ditto.
7163 (execute_warn_function_noreturn): Ditto.
7164 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7165 * cfgrtl.c (free_bb_for_insn): Ditto.
7166 * passes.c (execute_one_pass): Run additional
7167 todos returned by execute function.
7168 * tree-pass.h (struct tree_opt_pass): Make execute
7171 2006-03-02 Richard Guenther <rguenther@suse.de>
7173 * tree-ssa-alias.c (find_used_portions): Consider taking
7174 the address as making the variable not write-only.
7176 2006-03-02 Nick Clifton <nickc@redhat.com>
7178 * config.gcc (default_use_cxa_atexit): Extend the description of
7179 this configure variable. Set its default value to "yes" for
7180 Linux, NetBSD and ELF targets on the assumption that they will
7181 use C libraries with the __cxa_atexit function.
7183 2006-03-02 Ben Elliston <bje@au.ibm.com>
7185 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7186 parameter as unused to suppress a build warning.
7188 2006-03-02 Ben Elliston <bje@au.ibm.com>
7190 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7193 2006-03-01 Roger Sayle <roger@eyesopen.com>
7196 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7197 declared name, the weak reference name, and the typeof name.
7198 (__gthrw): Avoid expanding the declared name suffix.
7199 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7201 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7203 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7205 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7206 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7207 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7208 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7209 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7210 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7211 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7212 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7213 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7214 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7215 (DW_END_default, DW_END_big, DW_END_little): New.
7216 (DW_END_lo_user, DW_END_hi_user): Define.
7217 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7218 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7219 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7222 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7224 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7226 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7228 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7230 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7232 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7233 to 'symbol_mem_tag'.
7235 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7238 2006-03-01 Roger Sayle <roger@eyesopen.com>
7240 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7242 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7245 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7246 MACHO_DYNAMIC_NO_PIC_P.
7247 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7249 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7252 * config/darwin-protos.h (darwin_asm_output_anchor):
7254 * config/darwin-sections.def (cstring_section):
7255 Add SECTION_MERGE to the flags.
7256 (literal4_section): Likewise.
7257 (literal8_section): Likewise.
7258 (objc_selector_refs_section): Likewise.
7259 (objc_cls_refs_section): Likewise.
7260 * config/darwin.c (darwin_asm_output_anchor): New
7262 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7264 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7266 Fix PR tree-optimization/26443
7267 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7268 to todo and PROP_tmt_usage to properties_destroyed.
7269 * tree-ssa-ccp.c (pass_ccp): Ditto.
7270 (pass_store_ccp): Ditto.
7271 * tree-ssa-dom.c (pass_dominator): Ditto.
7273 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7275 * tree-ssa-operands.c: Cleanup whitespace.
7276 (get_asm_expr_operands): Move before first invocation.
7277 (get_indirect_ref_operands): Likewise.
7278 (get_tmr_operands): Likewise.
7279 (get_call_expr_operands): Likewise.
7280 (append_def): Likewise.
7281 (append_use): Likewise.
7282 (append_v_may_def): Likewise.
7283 (append_v_must_def): Likewise.
7284 (add_call_clobber_ops): Likewise.
7285 (add_call_read_ops): Likewise.
7286 (add_stmt_operand): Likewise.
7287 (add_virtual_operand): Likewise.
7288 (build_ssa_operands): Likewise.
7290 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7295 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7296 with a call expr to ...
7297 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7299 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7301 * tree-vrp.c (extract_range_from_assert): Remove special
7302 handling for types with super-types.
7304 2006-03-01 Ben Elliston <bje@au.ibm.com>
7306 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7307 and powerpc64-*-linux* configurations.
7308 * config/t-dfprules: New file.
7310 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7311 Compile dfp-bit.c from the source directory using -DWIDTH and
7312 $DFP_CFLAGS to control the compilation of that file, rather than
7313 generating width-specific versions in the build directory.
7314 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7315 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7317 2006-02-28 Zack Weinberg <zackw@panix.com>
7319 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7322 2006-02-28 Eric Christopher <echristo@apple.com>
7324 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7325 Set up IN_LIBGCC definition of TARGET_64BIT.
7326 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7328 2006-02-28 Roger Sayle <roger@eyesopen.com>
7331 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7332 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7333 cases via the construction of "expr != 0".
7335 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7337 * alias.c (alias_invariant, alias_invariant_size): Remove.
7338 (record_base_value): Remove.
7339 (memrefs_conflict_p): Don't look at alias_invariant.
7340 (end_alias_analysis): Don't free it.
7341 * alias.h (record_base_value): Remove prototype.
7343 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7344 Adam Nemet <anemet@caviumnetworks.com>
7346 * rtl.h (truncated_to_mode): Declare it.
7347 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7348 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7349 (RTL_HOOKS_INITIALIZER): Include it.
7350 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7351 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7352 reg_truncated_to_mode.
7353 * rtlanal.c (truncated_to_mode): Define it.
7354 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7356 2006-02-28 Jeff Law <law@redhat.com>
7358 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7359 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7360 the range allowed by TYPE_PRECISION.
7362 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7364 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7366 PR tree-optimization/26419
7367 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7370 2006-02-27 Zack Weinberg <zackw@panix.com>
7372 * doc/md.texi: Fix typo in previous change.
7374 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7378 2006-02-27 Zack Weinberg <zackw@panix.com>
7380 * rtl.def (define_constraint, define_register_constraint)
7381 (define_memory_constraint, define_address_constraint): New MD forms.
7382 * gensupport.c (process_rtx): Put define_constraint etc on the
7384 * genpreds.c (process_define_predicate): Adjust comment. Validate
7385 the name, and call validate_exp to validate the expression.
7386 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7387 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7388 all callers changed.
7389 (validate_exp, needs_variable, struct constraint_data)
7390 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7391 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7392 (const_dbl_constraints, constraint_max_namelen)
7393 (have_register_constraints, have_memory_constraints)
7394 (have_address_constraints, have_address_constraints)
7395 (have_extra_constraints, have_const_int_constraints)
7396 (have_const_dbl_constraints, mangle, add_constraint)
7397 (process_define_constraint, process_define_register_constraint)
7398 (write_enum_constraint_num, write_lookup_constraint)
7399 (write_insn_constraint_len, write_regclass_for_constraint)
7400 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7401 (write_insn_extra_memory_constraint)
7402 (write_insn_extra_address_constraint)
7403 (write_satisfies_constraint_fns): New.
7404 (write_tm_preds_h): If we have new-style constraint definitions,
7405 prototype the functions generated from them, and define the
7406 old constraint interface (still used by generic code) in terms of
7408 (write_insn_preds_c): If we have new-style constraint definitions,
7409 generate all relevant functions from those definitions.
7410 (main): Handle define_constraint etc.
7411 * genoutput.c (struct constraint_data, indep_constraints)
7412 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7413 (mdep_constraint_len): New data structures and functions, defined
7414 #ifdef USE_MD_CONSTRAINTS.
7415 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7416 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7417 use new logic to validate operand constraints against constraint
7419 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7421 * defaults.h: If none of the old-style constraint macros are
7422 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7423 old-style macros; and poison REG_CLASS_FROM_LETTER,
7424 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7426 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7427 * doc/md.texi: Document new constraint-definition mechanism and the
7428 C interface it provides. Remove references to old mechanism
7429 elsewhere in the document.
7430 (Machine Constraints): Use pathnames relative to gcc directory,
7431 i.e. config/ARCH/FILE. Change i386 section to refer to
7432 config/i386/predicates.md; update that section to match docstrings.
7433 * doc/tm.texi: Move all documentation of the old constraint-
7434 definition macros to their own section, clearly mark as obsolete.
7436 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7437 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7439 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7440 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7441 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7443 (splits and peepholes): Use satisfies_constraint_*.
7444 * config/i386/i386.c (memory_address_length)
7445 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7447 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7449 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7450 scalar operation to be put back into the loop.
7452 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7455 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7456 (extract_cie_info): Handle S flag in augmentation string.
7457 (execute_cfa_program): If context->signal_frame, execute also
7458 fs->pc == context->ra instructions.
7459 (uw_frame_state_for): If context->signal_frame, don't subtract one
7460 from context->ra to find FDE.
7461 (uw_update_context_1): Set context->signal_frame to
7463 (_Unwind_GetIPInfo): New function.
7464 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7465 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7467 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7468 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7469 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7470 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7471 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7472 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7473 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7474 x86_64_fallback_frame_state): Set fs->signal_frame.
7475 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7476 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7477 (frob_update_context): Likewise. Workaround missing S flag in
7478 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7479 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7480 Remove the psw_addr + 1 hack.
7482 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7484 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7485 with aggregates here.
7486 (find_func_aliases): Remove code for &<aggregate> from here.
7488 2006-02-26 Roger Sayle <roger@eyesopen.com>
7490 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7491 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7492 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7495 2006-02-26 Roger Sayle <roger@eyesopen.com>
7498 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7500 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7502 * opts.c (decode_options): Do not handle flag_strength_reduce.
7503 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7504 and OPT_fstrength_reduce.
7505 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7506 flag_prefetch_loop_arrays for being nonzero.
7507 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7509 (fprefetch-loop-arrays-rtl): Removed.
7510 (flag_prefetch_loop_arrays): Do not specify the value.
7512 * doc/passes.texi: Update documentation of loop optimizer
7514 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7515 -frerun-loop-opt): Remove.
7517 2006-02-26 Richard Guenther <rguenther@suse.de>
7519 PR tree-optimization/26421
7520 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7521 in function calls that are ADDR_EXPRs as using the whole structure.
7523 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7525 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7526 * tree-pass.h (pass_loop_optimize): Remove.
7527 * passes.c (pass_loop_optimize): Never run it.
7528 * toplev.c (backend_init): Don't call init_loop.
7529 * opts.c (flag_loop_optimize_set): Remove.
7530 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7531 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7532 the old RTL loop optimizer when profiling enabled.
7533 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7534 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7535 pre-headers for the sake of the old RTL loop optimizer.
7536 * Makefile.in: Remove all references to loop.o.
7538 * doc/invoke.texi: Remove all references to -floop-optimize
7539 and -frerun-loop-opt.
7541 2006-02-26 Zack Weinberg <zackw@panix.com>
7543 * doc/md.texi (Machine Constraints): Refer to all files with paths
7544 relative to gcc directory (i.e. config/CPU/file). Add missing
7545 @table @code ... @end table to M32C subsection.
7547 2006-02-26 Roger Sayle <roger@eyesopen.com>
7549 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7551 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7553 2006-02-26 Roger Sayle <roger@eyesopen.com>
7554 James A. Morrison <phython@gcc.gnu.org>
7557 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7558 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7559 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7560 signedness of the shift operation.
7562 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7564 PR tree-optimization/26359
7565 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7567 2006-02-25 Roger Sayle <roger@eyesopen.com>
7569 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7570 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7571 as X == 0, and some symmetry related transformations.
7572 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7574 2006-02-25 Roger Sayle <roger@eyesopen.com>
7577 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7578 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7579 symmetry related transformations. Fold (X^C1) == C2 as
7582 2006-02-25 Juergen Weigert <jw@suse.de>
7583 Richard Guenther <rguenther@suse.de>
7585 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7587 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7589 * combine.c (gen_lowpart_or_truncate): Call
7590 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7592 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7594 * doc/invoke.texi: Move -fopenmp description to "Options for
7596 Remove reference to -lgomp.
7598 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7600 * doc/install.texi: Require GNU tar version 1.14.
7602 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7604 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7605 * doc/invoke.texi (C++ Dialect Options): Document
7606 -fno-use-cxa-get-exception-ptr.
7607 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7608 * configure: Regenerate.
7609 * c.opt (fuse-cxa-get-exception-ptr): New.
7610 * c-opts.c (c_common_handle_option): Handle
7611 OPT_fuse_cxa_get_exception_ptr.
7612 * c-common.c (flag_use_cxa_atexit): Update documentation.
7613 (flag_use_cxa_get_exception_ptr): New.
7614 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7615 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7617 (C_COMMON_OVERRIDE_OPTIONS): New.
7619 2006-02-24 Roger Sayle <roger@eyesopen.com>
7622 * combine.c (try_combine): Explicitly check whether GET_CODE is
7623 a SET or a CLOBBER, instead on checking that it isn't a USE.
7625 2006-02-24 Roger Sayle <roger@eyesopen.com>
7627 * fold-const.c (fold_comparison): New subroutine of fold_binary
7628 containing transformations common to both the equality and
7629 ordering relational operators, factored out of fold_binary.
7630 (fold_binary): Separate out the equality operators (EQ_EXPR
7631 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7632 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7633 transformations common to both.
7634 (fold_div_compare): Fix latent bugs in the previously unreachable
7635 LT_EXPR and GE_EXPR cases.
7637 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7639 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7640 decl libname for clog to __clog on AIX.
7642 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7644 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7647 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7648 output traceback table for thunks. Localise rs6000_stack_info call.
7650 2006-02-23 Roger Sayle <roger@eyesopen.com>
7651 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7653 * gthr-posix.h (__gthrw): Fix typo in comment.
7655 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7657 * doc/cpp.texi (Character sets): Document that we do support
7658 input files to be in any character set.
7660 2006-02-23 Jeff Law <law@redhat.com>
7662 * tree.h (PHI_ARG_NONZERO): Remove.
7663 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7664 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7665 node to the new node.
7667 PR tree-optimization/26425
7668 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7669 min/max, then assume its varying.
7671 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7673 PR rtl-optimization/26316
7674 * rtlanal.c (enum may_trap_p_flags): New.
7675 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7676 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7677 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7678 (may_trap_after_code_motion_p): New function.
7679 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7680 (find_invariant_insn): Use may_trap_after_code_motion_p.
7681 * rtl.h (may_trap_after_code_motion_p): Declare.
7683 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7685 * emit-rtl.c (immed_double_const): Cleanup.
7687 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7689 Fix PR tree-optimization/26376
7690 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7693 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7696 * gimplify.c (omp_add_variable): Guard variable size decl test with
7697 DECL_SIZE (decl) check.
7699 2006-02-23 Richard Guenther <rguenther@suse.de>
7702 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7703 like aggregate types.
7705 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7707 * configure.ac: Add --with{,out}-long-double-128 configure option.
7708 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7709 * configure: Rebuilt.
7710 * config.in: Rebuilt.
7711 * doc/install.texi (Options specification): Document
7712 --with-long-double-128.
7714 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7715 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7716 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7717 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7719 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7721 * config/s390/s390.c (override_options): Handle
7722 TARGET_DEFAULT_LONG_DOUBLE_128.
7724 * config/alpha/alpha.c (override_options): Handle
7725 TARGET_DEFAULT_LONG_DOUBLE_128.
7727 * config/sparc/sparc.c (sparc_override_options): Handle
7728 TARGET_DEFAULT_LONG_DOUBLE_128.
7730 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7732 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7733 (real-install-headers-tar, real-install-headers-cpio)
7734 (real-install-headers-cp): New targets.
7736 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7738 * tree.h (variable_section): Delete.
7739 * varasm.c (variable_section): Delete.
7741 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7743 * install.texi: Add notes on install.texi2html.
7744 (Building in parallel): Do not use footnotes.
7746 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7749 * doc/install.texi (Configuration): Document --disable-libgomp.
7751 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7753 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7755 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7757 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7758 (vec_extractv2df_0_sse): New.
7760 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7762 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7763 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7764 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7765 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7766 to the result of the expression.
7767 (def_cfa_1): Adjust.
7768 (frame_pointer_cfa_offset): Rename to...
7769 (frame_pointer_fb_offset): ... this. Adjust all uses.
7770 (convert_cfa_to_loc_list): Rename to...
7771 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7772 Pass it on to build_cfa_loc.
7773 (compute_frame_pointer_to_cfa_displacement): Rename to...
7774 (compute_frame_pointer_to_fb_displacement): ... this. New
7775 offset parameter. Use it in computation.
7776 (gen_subprogram_die): Compute cfa_fb_offset with the new
7777 macro, and use it to compute the fb loc list and the
7780 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7782 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7783 replaced with register_operand.
7784 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7785 non-DREG is expensive.
7786 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7787 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7790 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7792 * doc/install.texi2html: Use set -e.
7794 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7796 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7797 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7798 * doc/invoke.texi (-fshared-data): Delete.
7799 * common.opt (fshared-data): Delete.
7800 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7801 (assemble_static_space): Remove #if 0 code.
7802 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7803 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7804 * config/cris/cris.h: Remove FIXME.
7806 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7808 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7811 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7814 * combine.c (simplify_shift_const_1): Disable nested shifts
7815 optimization for vector shifts.
7817 2006-02-20 Roger Sayle <roger@eyesopen.com>
7819 PR tree-optimization/26361
7820 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7821 of unsigned integer types.
7823 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7825 * tree-chrec.c (eq_evolutions_p): New.
7826 * tree-chrec.h (eq_evolutions_p): Declared.
7827 * tree-data-ref.c: Fix formatting.
7828 (datadep_stats, dependence_stats): New.
7830 (print_direction_vector): New.
7831 (dump_data_dependence_relation): Use print_direction_vector.
7832 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7833 (compute_subscript_distance): Static.
7834 (initialize_data_dependence_relation): Static. Get the number
7835 of loops surrounding the references from the callers, and initialize
7836 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7837 base_object_differ_p analyzers.
7838 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7839 compute_overlap_steps_for_affine_1_2,
7840 analyze_subscript_affine_affine): Count the classified dependences.
7841 Print a message when a test failed.
7842 (can_use_analyze_subscript_affine_affine): New.
7843 (analyze_siv_subscript): Compute the data dependences on symbolic
7844 scevs that verify can_use_analyze_subscript_affine_affine.
7845 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7846 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7847 Handle symbolic scevs.
7848 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7850 (subscript_dependence_tester): Moved...
7851 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7852 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7853 DDR_SIZE_VECT instead of getting it in parameter.
7854 (subscript_dependence_tester): ... here. Take as a parameter
7855 loop_nest_depth. Call build_classic_dist_vector and
7856 build_classic_dir_vector.
7857 (compute_affine_dependence): Update subscript_dependence_tester
7858 parameters. Update datadep_stats counters. Call
7859 compute_subscript_distance.
7860 (compute_self_dependence): Save the dist and dir vectors. Call
7861 compute_subscript_distance.
7862 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7863 (compute_all_dependences): Reorder parameters as they were before
7864 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7865 compute_subscript_distance. Update the use of
7866 compute_affine_dependence and initialize_data_dependence_relation.
7867 (find_data_references_in_loop): Handle COMPONENT_REF.
7868 (compute_data_dependences_for_loop): Initialize dependence_stats.
7869 Don't call build_classic_dist_vector and build_classic_dir_vector.
7870 Update the parameters of initialize_data_dependence_relation and
7871 compute_all_dependences. Print the statistics from datadep_stats.
7872 (analyze_all_data_dependences): Static. Not used until the pass for
7873 checking the data dependences is contributed.
7874 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7875 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7876 (initialize_data_dependence_relation, compute_affine_dependence,
7877 analyze_all_data_dependences, compute_subscript_distance): Removed.
7878 (print_direction_vector): New.
7879 * lambda.h (gcd): ... here.
7880 (lambda_vector_gcd): Moved here from gcd_vector.
7881 * lambda-code.c (gcd, gcd_vector): Removed.
7882 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7883 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7885 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7887 * ipa-type-escape.c: Tidy some comments and white space.
7888 * tree-ssa-operands.c: Likewise.
7890 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7893 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7894 (dump_decl_name): Do not walk the decl tree chains.
7895 * tree-pass.h (TDF_CHAIN): Remove.
7897 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7899 * Makefile.in (C): Remove
7901 (.PHONY): Remove C and PROTO
7903 2006-02-20 Roger Sayle <roger@eyesopen.com>
7906 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7907 deprecated CHAR_TYPE tree code.
7909 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7911 * configure.ac (target_list): Add install-info, dvi, html.
7912 * configure: Regenerate.
7914 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7915 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7916 treelang/Make-lang.in: Do not use double-colon rules.
7918 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7920 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7921 (TMT_USED_ALONE): New macro.
7922 * tree-pass.h (PROP_tmt_usage): New property.
7923 (TODO_update_tmt_usage): New todo.
7924 * tree-ssa-alias.c (updating_used_alone): New variable.
7925 (recalculate_used_alone): New function.
7926 (compute_may_aliases): Set updating_used_alone, call
7927 recalculate_used_alone.
7928 * tree-sra.c (pass_sra): Note that this pass destroys
7929 PROP_tmt_usage, and add TODO_update_tmt_usage.
7930 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7931 * tree-flow.h (updating_used_alone): Prototype.
7932 (recalculate_used_alone): Ditto.
7933 * passes.c (execute_todo): Add code to set updating_used_alone,
7934 and call recalculate.
7935 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7936 for clobber if used alone, and add assert to verify used_alone
7939 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7941 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7942 for non tls symbols added.
7943 (legitimize_address): Do nothing for PLUS expressions if one of the
7944 addends is a tls symbol reference.
7946 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7950 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7952 * Makefile.in (BOOTSTRAPPING): New.
7953 (quickstrap): New definition if BOOTSTRAPPING=yes.
7955 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7956 * configure.ac: Substitute all_selected_languages with the languages
7957 that were configured. For all the other variables except
7958 lang_specs_files, include all the languages in the tree.
7959 * configure: Regenerate.
7961 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7962 if there is one. Run the commands to run fixincludes in the same
7965 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7966 * doc/install.texi: Document exact conventions for searching target tools.
7967 Document --with-build-time-tools. Document toplevel bootstrap. Document
7968 something more about building an Ada cross-compiler. Don't list GNU Make
7969 requirements which affect all platforms.
7971 2006-02-19 Roger Sayle <roger@eyesopen.com>
7974 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7975 only equivalent if the have both the same mode and precision.
7977 2006-02-20 Ben Elliston <bje@au.ibm.com>
7979 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7981 2006-02-19 Roger Sayle <roger@eyesopen.com>
7982 Steven Bosscher <stevenb.gcc@gmail.com>
7984 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7985 constant pool references to identify stack mode constants.
7986 * rtlanal.c (constant_pool_constant_p): New predicate to check
7987 whether operand is a floating point constant in the pool.
7988 * rtl.h (constant_pool_constant_p): Prototype here.
7989 * loop.c (scan_loop): Avoid hoisting constants from the constant
7990 pool on STACK_REGS targets.
7991 (load_mems): Likewise.
7992 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7993 loads into x87 registers expensive in terms of register pressure.
7995 2006-02-19 Roger Sayle <roger@eyesopen.com>
7997 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7998 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8000 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8002 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8003 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8005 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8007 * doc/invoke.texi: Document -fipa-pta.
8008 * common.opt: Add ipa-pta option.
8009 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8010 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8011 (do_ds_constraint): Ditto.
8012 (get_constraint_for): Only add to referenced_vars if
8013 referenced_vars exists.
8014 (insert_into_field_list): Rewrite to do this unsorted.
8015 (insert_into_field_list_sorted): Rename old insert_into_field_list
8017 (create_function_info_for): Use insert_into_field_list_sorted.
8018 (create_variable_info_for): Rewrite so it uses unsorted version,
8019 since the field list is sorted.
8020 (intra_create_variable_infos): Only add to referenced_vars if
8021 referenced_vars exists.
8022 (ipa_pta_execute): Init heapvars, and delete when done.
8023 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8025 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8027 * doc/install.texi: Add missing `@samp'.
8029 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8031 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8034 2006-02-18 Mark Wielaard <mark@klomp.org>
8036 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8037 who added new 4.1 features, bug fixes and integration support.
8039 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8042 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8045 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8047 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8048 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8049 (copy_insn_1): Likewise. Don't copy each field individually.
8051 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8053 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8054 * rtl.c (rtx_size): Rename variable to...
8055 (rtx_code_size): ...this.
8056 (rtx_size): New function.
8057 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8058 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8060 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8061 * rtl.h (rtx_code_size): New variable.
8062 (rtx_size): Change from a variable to a function.
8063 (RTX_SIZE): Rename to...
8064 (RTX_CODE_SIZE): ...this.
8067 PR tree-optimization/17106
8068 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8069 (Anchored Addresses): New section.
8070 * doc/invoke.texi (-fsection-anchors): Document.
8071 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8072 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8073 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8074 * hooks.c (hook_bool_mode_rtx_false): New function.
8075 * hooks.h (hook_bool_mode_rtx_false): Declare.
8076 * gengtype.c (create_optional_field): New function.
8077 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8078 SYMBOL_REF_IN_BLOCK_P is true.
8079 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8080 (min_anchor_offset, max_anchor_offset): Likewise.
8081 (use_anchors_for_symbol_p): New hook.
8082 * toplev.c (compile_file): Call output_object_blocks.
8083 (target_supports_section_anchors_p): New function.
8084 (process_options): Check that -fsection-anchors is only used on
8085 targets that support it and when -funit-at-a-time is in effect.
8086 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8087 if the decl doesn't have one.
8088 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8089 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8090 of force_const_mem through use_anchored_address.
8091 (expand_expr_constant): New function.
8092 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8093 calling expand_expr for INDIRECT_REF.
8094 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8095 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8096 * expr.h (use_anchored_address): Declare.
8097 * loop-unroll.c: Don't declare rtx vectors here.
8098 * explow.c: Include output.h.
8099 (validize_mem): Call use_anchored_address.
8100 (use_anchored_address): New function.
8101 * common.opt (-fsection-anchors): New switch.
8102 * varasm.c (object_block_htab, anchor_labelno): New variables.
8103 (hash_section, object_block_entry_eq, object_block_entry_hash)
8104 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8105 (use_blocks_for_decl_p, change_symbol_section): New functions.
8106 (get_variable_section): New function, split out from assemble_variable.
8107 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8108 use_blocks_for_decl_p say so. Use change_symbol_section if the
8109 symbol has already been created.
8110 (assemble_variable_contents): New function, split out from...
8111 (assemble_variable): ...here. Don't output any code for
8112 block symbols; just pass them to place_block_symbol.
8113 Use get_variable_section and assemble_variable_contents.
8114 (get_constant_alignment, get_constant_section, get_constant_size): New
8115 functions, split from output_constant_def_contents.
8116 (build_constant_desc): Create a block symbol if use_object_blocks_p
8117 says so. Or into SYMBOL_REF_FLAGS.
8118 (assemble_constant_contents): New function, split from...
8119 (output_constant_def_contents): ...here. Don't output any code
8120 for block symbols; just pass them to place_section_symbol.
8121 Use get_constant_section and get_constant_alignment.
8122 (force_const_mem): Create a block symbol if use_object_blocks_p and
8123 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8124 (output_constant_pool_1): Add an explicit alignment argument.
8125 Don't switch sections here.
8126 (output_constant_pool): Adjust call to output_constant_pool_1.
8127 Switch sections here instead. Don't output anything for block symbols;
8128 just pass them to place_block_symbol.
8129 (init_varasm_once): Initialize object_block_htab.
8130 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8131 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8132 (place_block_symbol, get_section_anchor, output_object_block)
8133 (output_object_block_htab, output_object_blocks): New functions.
8134 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8135 (TARGET_ASM_OUT): Include it.
8136 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8137 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8138 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8139 (TARGET_INITIALIZER): Include them.
8140 * rtl.c (rtl_check_failed_block_symbol): New function.
8141 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8142 (block_symbol, object_block): New structures.
8143 (rtx_def): Add a block_symbol field to the union.
8144 (BLOCK_SYMBOL_CHECK): New macro.
8145 (rtl_check_failed_block_symbol): Declare.
8146 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8147 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8148 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8149 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8150 * output.h (output_section_symbols): Declare.
8151 (object_block): Name structure.
8152 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8153 (default_use_anchors_for_symbol_p): Declare.
8154 * Makefile.in (RTL_BASE_H): Add vec.h.
8155 (explow.o): Depend on output.h.
8156 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8157 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8158 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8159 (rs6000_use_blocks_for_constant_p): New function.
8161 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8163 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8165 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8168 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8171 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8173 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8177 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8180 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8181 instead of DECL_REGISTER.
8183 2006-02-18 Olivier Hainque <hainque@adacore.com>
8186 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8188 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8191 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8192 * opth-gen.awk: Handle Var and InverseMask together.
8193 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8194 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8195 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8196 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8198 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8199 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8200 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8201 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8202 LINUX_DYNAMIC_LINKER): Define.
8203 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8204 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8206 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8207 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8208 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8210 (TARGET_C99_FUNCTIONS): Don't define.
8211 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8212 GLIBC_DYNAMIC_LINKER.
8213 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8214 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8215 GLIBC_DYNAMIC_LINKER64): Define.
8216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8217 LINUX_DYNAMIC_LINKER64.
8218 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8220 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8222 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8224 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8225 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8226 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8228 and LINUX_DYNAMIC_LINKER32.
8229 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8231 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8233 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8235 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8236 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8237 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8238 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8239 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8240 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8241 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8242 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8243 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8244 LINUX_DYNAMIC_LINKER): Define.
8245 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8246 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8247 GLIBC_DYNAMIC_LINKER64): Define.
8248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8249 LINUX_DYNAMIC_LINKER64.
8250 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8251 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8252 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8253 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8254 LINUX_DYNAMIC_LINKER): Define.
8255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8256 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8257 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8258 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8259 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8260 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8261 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8262 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8263 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8264 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8266 * doc/invoke.texi (-muclibc): Remove caveat about supported
8269 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8271 * doc/cpp.texi (__TIMESTAMP__): Document.
8273 2006-02-17 Roger Sayle <roger@eyesopen.com>
8276 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8277 C is one less than the width of X (and related transformations).
8278 * simplify-rtx.c (simplify_unary_operation_1): Transform
8279 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8280 depending on STORE_FLAG_VALUE, were C is one less then the
8283 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8285 Fix PR tree-optimization/26341
8286 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8287 about NAME_MEMORY_TAG's.
8289 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8292 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8293 with hardware float support, and software float support. Add fcpy
8294 alternative to hardware patterns. Add alternatives to copy between
8295 general and floating-point registers to the 32-bit pattern.
8296 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8297 secondary reload to load a QI or HI mode constant into a floating
8299 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8300 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8302 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8305 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8307 (load_macho_picbase_di): Likewise.
8309 2006-02-16 Jeff Law <law@redhat.com>
8311 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8312 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8313 (ssa_name_nonzero_p): Likewise.
8314 (get_value_range): Return NULL if VRP is not running.
8315 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8316 VRP routines do not discover a range.
8317 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8318 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8319 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8320 (tree_expr_nonnegative_p): Similarly.
8321 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8322 (restore_nonzero_vars_to_original_value): Remove.
8323 (unsafe_associative_fp_binop): Remove.
8324 (tree_ssa_dominator_optimize): Remove initialization and
8325 finalization of nonzero_vars and nonzero_vars_stack.
8326 (dom_opt_initialize_block): No longer push marker on
8328 (dom_opt_finalize_block): No longer call
8329 restore_nonzero_vars_to_original_value.
8330 (record_equivalences_from_phis): No longer look for
8331 nonzero PHI arguments.
8332 (cprop_into_successor_phis): No longer propagate nonzero
8333 property into PHI arguments. Lose unused argument. Caller
8335 (record_equivalences_from_stmt): No longer record nonzero
8336 values for SSA_NAMEs.
8337 (lookup_avail_expr): No longer use nonzero_vars.
8339 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8340 for sizetype when sizetype is unsigned.
8342 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8344 PR rtl-optimization/25603
8345 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8346 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8347 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8348 with new meaning of SETS.
8350 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8355 * config/linux.opt: New file.
8356 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8357 LINUX_DYNAMIC_LINKER): Define.
8358 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8359 * config.gcc (*-*-linux*): Define extra_options.
8360 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8361 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8362 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8363 GLIBC_DYNAMIC_LINKER.
8364 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8365 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8366 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8368 * doc/invoke.texi (GNU/Linux Options): New section.
8370 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8372 * config/sparc/sparc.md (setjmp): Rewrite.
8373 (setjmp_32): Delete.
8374 (setjmp_64): Likewise.
8376 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8378 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8381 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8383 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8386 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8388 PR rtl-optimization/26296
8389 * Makefile.in (loop-invariant.c): Add except.h dependency.
8390 * loop-invariant.c: Include except.h.
8391 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8393 2005-02-16 Paul Brook <paul@codesourcery.com>
8395 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8398 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8400 PR rtl-optimization/25636
8401 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8402 when deciding whether an insn is an initializing insn.
8404 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8406 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8407 (tree_code_size): Ditto.
8408 * tree.h (struct tree_memory_tag): Remove parent_var.
8409 (struct tree_struct_field_tag): New.
8412 (union tree_node): Add sft member.
8413 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8415 (create_sft): Add size and offset argument, set SFT_OFFSET and
8417 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8418 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8419 * tree-flow-inline.h (get_subvar_at): Update for
8420 SFT_OFFSET/SFT_SIZE.
8421 (var_can_have_subvars): Ditto.
8422 (overlap_subvar): Ditto.
8423 * print-tree.c (print_node): Print out interesting things for
8425 * tree-flow.h (struct subvar): Remove offset and size members.
8426 * tree-ssa-operands.c (get_expr_operands): Update for
8427 get_indirect_ref_operands changes.
8428 (get_indirect_ref_operands): Call add_virtual_operand instead of
8429 add_stmt_operand. Only recurse on base var if requested.
8430 (access_can_touch_variable): New function.
8431 (add_stmt_operand): Split virtual operand handling into ...
8432 (add_virtual_operand): Here. Add offset, size, and for_clobber
8433 arguments. Prune alias sets.
8434 (add_call_clobber_ops): Call add_virtual_operand.
8436 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8439 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8441 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8442 than TREE_CODE as index into omp_clause_num_ops array.
8444 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8446 PR rtl-optimization/26184
8447 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8449 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8450 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8451 must_precede, must_follow and tobe_scheduled.
8454 * opts.c (common_handle_option): Free new_option pointer.
8455 * df-core.c (df_analyze): Free postorder pointer.
8457 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8459 * Makefile.in: Fix the examples about the use of stamps
8461 2006-02-15 Michael Matz <matz@suse.de>
8465 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8466 influenced by maximum_field_alignment or DECL_PACKED.
8467 (update_alignment_for_field): Ditto.
8468 (place_field): Ditto.
8469 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8472 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8474 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8475 (debug_flow_info): Pass it.
8476 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8477 * bb-reorder.c (reorder_basic_blocks): Likewise.
8478 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8479 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8480 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8481 * gcse.c (gcse_main, bypass_jumps): Likewise.
8482 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8483 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8484 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8485 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8486 * rtl.h (dump_flow_info): Adjust prototype.
8487 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8488 * var-tracking.c (variable_tracking_main): Likewise.
8489 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8490 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8493 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8495 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8498 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8500 PR tree-optimization/26209
8501 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8502 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8504 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8506 2006-02-14 Roger Sayle <roger@eyesopen.com>
8509 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8510 (X,Y) and the corresponding symmetry related transformations.
8511 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8512 (X,Y) and its symmetry related transformations.
8514 2006-02-14 Roger Sayle <roger@eyesopen.com>
8516 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8519 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8521 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8523 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8526 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8527 support COMDAT group.
8528 * configure: Regenerate.
8530 2006-02-14 Roger Sayle <roger@eyesopen.com>
8535 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8537 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8539 Fix PR tree-optimization/26260
8541 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8543 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8544 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8545 * tree-ssa-structalias.c (create_variable_info_for): Use
8546 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8548 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8550 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8552 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8553 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8554 of the ending condition.
8555 * tree-ssa-loop-manip.c: Include params.h.
8556 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8557 tree_unroll_loop): New functions.
8558 * tree-pass.h (pass_loop_prefetch): Declare.
8559 * loop.c (rest_of_handle_loop_optimize): Test for
8560 -fprefetch-loop-arrays-rtl.
8561 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8562 * timevar.def (TV_TREE_PREFETCH): New timevar.
8563 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8564 pass_loop_prefetch): New.
8565 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8566 (cleanup_tree_cfg_loop): Call scev_reset.
8567 * common.opt (fprefetch-loop-arrays-rtl): Add.
8568 * tree-ssa-loop-prefetch.c: New file.
8569 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8570 (new_temp_expr_table): Initialize expr_vars.
8571 (free_temp_expr_table): Cleanup expr_vars.
8572 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8573 expressions from being merged into one.
8574 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8575 (struct tree_niter_desc): Add control, bound and cmp fields.
8576 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8578 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8579 (tree-cfgcleanup.o): Add SCEV_H dependency.
8580 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8581 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8583 2006-02-14 Richard Guenther <rguenther@suse.de>
8585 PR tree-optimization/26258
8586 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8587 in PHI argument processing.
8589 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8591 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8592 new expression in the requested machine mode.
8594 2006-02-13 Roger Sayle <roger@eyesopen.com>
8596 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8597 directly, instead let do_compare_rtx_and_jump handle this for us.
8598 * expr.c (expand_expr_real_1): Likewise.
8599 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8600 before do_jump_by_parts_greater.
8601 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8602 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8604 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8606 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8608 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8610 PR rtl-optimization/26235
8611 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8612 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8615 2006-02-13 Jeff Law <law@redhat.com>
8617 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8620 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8623 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8624 twice if decl is a builtin. When trying again, call get_callee_fndecl
8625 first to verify it is still a builtin.
8627 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8629 * dwarf2out.c (base_type_die): Don't add AT_name here.
8630 (subrange_type_die): Don't add AT_name here.
8631 (modified_type_die): Rearrange code flow. Do add AT_name here.
8633 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8635 PR rtl-optimization/26247
8636 PR rtl-optimization/26248
8637 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8639 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8641 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8642 * config/fixtfdi.c: Likewise.
8643 * config/fixunstfdi.c: Likewise.
8644 * config/floatditf.c: Likewise.
8646 2006-02-13 Roger Sayle <roger@eyesopen.com>
8649 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8650 into (X,C2) if C1 is a subset of the bits of C2. Transform
8651 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8653 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8655 2006-02-13 Josh Conner <jconner@apple.com>
8658 * varasm.c (function_section): Check for section name before
8659 calling select_section on targets that define
8660 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8661 unlikely_text_section instead of hot_function_section if
8662 first_function_block_is_cold.
8664 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8667 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8669 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8671 PR rtl-optimization/26222
8672 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8673 after tree->rtl expansion.
8674 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8675 before passing it to emit_move_insn.
8677 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8679 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8681 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8682 Clarify documentation.
8683 * c-common.h (warn_write_strings): Remove.
8684 * c-common.c (warn_write_strings): Likewise.
8685 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8688 2006-02-12 Roger Sayle <roger@eyesopen.com>
8691 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8692 (do_jump_parts_zero_rtx): New function renamed from
8693 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8694 (do_jump_parts_equality_rtx): New function split out from
8695 do_jump_parts_equality. Old implementation renamed as above.
8696 Call do_jump_parts_zero_rtx if either operand is zero.
8697 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8698 do all of the heavy lifting.
8699 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8700 calling either do_jump_by_parts_greater_rtx or
8701 do_jump_by_parts_equality_rtx.
8702 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8703 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8704 moved to do_compare_rtx_and_jump, call it directly.
8705 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8706 mode argument. Call do_compare_rtx_and_jump.
8707 (emit_case_nodes): Update calls to do_jump_if_equal.
8709 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8711 PR rtl-optimization/26225
8712 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8714 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8716 PR rtl-optimization/26232
8717 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8719 2006-02-11 Jason Merrill <jason@redhat.com>
8722 * tree-inline.c (declare_return_variable): Just don't use the
8723 modify target if it's a gimple complex reg and the return slot
8726 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8728 * doc/contrib.texi: Update my entry.
8730 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8732 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8734 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8736 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8739 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8741 * doc/invoke.texi (-floop-optimize2): Removed.
8742 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8743 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8744 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8745 * common.opt (floop-optimize2): Removed.
8746 (fmove-loop-invariants): Enabled by default.
8748 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8750 * tree-if-conv.c (combine_blocks): Free the result of
8751 get_loop_exit_edges.
8753 2006-02-10 Jeff Law <law@redhat.com>
8755 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8757 PR tree-optimization/26213
8758 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8759 loop trying to follow SSA_NAME_VALUE chains.
8761 2006-02-10 Richard Guenther <rguenther@suse.de>
8763 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8764 deal with structures that end in implicitly variable sized arrays.
8766 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8768 PR rtl-optimization/24762
8769 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8772 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8774 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8775 (struct ivopts_data): Add regs_used field.
8776 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8777 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8778 instead of loop_data->regs_used;
8779 (free_loop_data): Do not free aux fields for loops.
8780 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8781 and tree_ssa_iv_optimize_finalize.
8783 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8785 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8787 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8790 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8791 computing the effective result type.
8793 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8796 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8797 (tree_overlaps_hard_reg_set): Declare.
8798 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8799 type and signature to match function type expected by walk_tree.
8800 (tree_overlaps_hard_reg_set): New function.
8801 (decl_conflicts_with_clobbers_p): Rename to:
8802 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8803 Use tree_overlaps_hard_reg_set. Changed caller.
8804 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8805 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8806 * cris.c (cris_md_asm_clobbers): Likewise.
8808 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8810 * reload1.c (emit_input_reload_insns): Delete code that tries to
8811 inherit using find_equiv_reg.
8813 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8815 * c-common.h (flag_const_strings): Don't declare.
8816 * c-common.c (flag_const_strings): Remove.
8817 * c.opt (fconst_strings): Remove.
8818 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8819 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8820 (c_common_init_options): Don't set flag_const_strings.
8821 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8823 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8825 * arm.md (tlobits_cbranch): New pattern.
8826 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8827 testing a single bit.
8829 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8832 * tree-ssa-pre.c (create_component_ref_by_pieces):
8833 Handle RETURN_DECL like VAR_DECL.
8835 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8838 * fold-const.c (fold_indirect_ref_1): Fold
8839 "*(foo *)&complexfoo" to "__real__ complexfoo"
8840 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8842 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8844 * tree-flow-inline.h (var_can_have_subvars):
8845 Volatile variables should not have subvariables.
8847 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8850 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8851 multiplying unsigned values.
8854 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8856 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8858 2006-02-08 Jason Merrill <jason@redhat.com>
8861 * tree.def: Elaborate on difference from MODIFY_EXPR.
8862 * doc/c-tree.texi (INIT_EXPR): Likewise.
8863 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8864 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8865 (gimplify_target_expr): Likewise.
8866 (gimplify_cond_expr): Remove target handling.
8867 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8868 (gimplify_expr): Clobber it here.
8869 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8870 Do return slot optimization if we have an INIT_EXPR.
8873 * tree-inline.c (declare_return_variable): Also clear
8874 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8877 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8880 * gimplify.c (gimplify_one_sizepos): Fix typo.
8882 2006-02-08 Jeff Law <law@redhat.com>
8884 PR tree-optimization/21417
8885 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8886 across a backedge if the control statement at the end of the
8887 block is data dependent on other statements in the same block.
8888 (record_temporary_equivalences_from_stmts): Remove over-conservative
8889 test for threading across backedges.
8891 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8892 control statement, handle all three special cases in the same
8893 manner as they all have the same desired solution. No longer
8894 special case edge flag updating when the post dominator is
8897 2006-02-08 Roger Sayle <roger@eyesopen.com>
8899 * tree.def (CHAR_TYPE): Remove.
8900 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8901 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8902 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8903 (gen_string_type_die): Delete unreachable function.
8905 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8906 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8907 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8908 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8909 * builtins.c (type_to_class): Likewise.
8910 * fold-const.c (fold_convert, build_range_check,
8911 merge_ranges): Likewise.
8912 * expr.c (count_type_elements): Likewise.
8913 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8914 * stor-layout.c (layout_type): Likewise.
8915 * ipa-type-escape.c (type_to_consider): Likewise.
8916 * gimplify.c (omp_firstprivatize_type_sizes,
8917 gimplify_type_sizes): Likewise.
8918 * explow.c (promote_mode): Likewise.
8919 * tree-sra.c (is_sra_scalar_type): Likewise.
8920 * varasm.c (output_constant): Likewise.
8921 * tree-inline.c (remap_type_1): Likewise.
8922 * convert.c (convert_to_pointer, convert_to_real,
8923 convert_to_integer, convert_to_complex): Likewise.
8925 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8927 * df-scan.c (df_def_record_1): A set destination may
8928 be a parallel regardless of mode.
8930 2006-02-08 Roger Sayle <roger@eyesopen.com>
8933 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8934 * config/mips/_tilib.c: Remove.
8935 * config/fixtfdi.c: New libgcc source file.
8936 * config/fixunstfdi.c: New source file.
8937 * config/floatditf.c: New source file.
8938 * config/floatunditf.c: New souce file.
8939 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8940 files above instead of config/mips/_tilib.c.
8941 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8943 2006-02-08 Jeff Law <law@redhat.com>
8945 PR tree-optimization/26169
8946 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8949 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8951 * df.h (DF_REG_SIZE): Return the length of the initialized
8954 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8956 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8957 __muldf3): Return a correctly signed zero.
8959 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8961 * passes.c (register_one_dump_file): Accept the current properties
8962 instead of pass number. Adjust call to dump_register. Remove
8964 (register_dump_files): Now a wrapper around...
8965 (register_dump_files_1): ... this one. Do not modify the pass
8967 (next_pass_1): Cosmetic fix.
8968 (execute_todo): Keep second parameter only. Use curr_properties
8969 instead of fetching it from the pass structure. Check and set
8971 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8972 instead of fetching it from the pass structure. Fix calls to
8973 execute_todo. Update curr_properties and initialize .vcg RTL dump
8974 after running the pass. Reset last_verified.
8975 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8977 (FIRST_AUTO_NUMBERED_DUMP): New.
8978 (dump_register): Remove "num" parameter, assign it within the
8980 (get_dump_file_name): Modify template for dumps.
8981 * tree-dump.h (dump_register): Adjust prototype.
8982 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8983 (PROP_trees): Add PROP_gimple_lomp.
8984 (TODO_set_props): New.
8985 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8986 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8987 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8989 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8991 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8992 (sparc64-*-linux*): Likewise.
8993 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8994 * config/sparc/t-linux: New file.
8995 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8996 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8997 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8998 -m32 -mlong-double-128.
9000 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9001 * config/alpha/t-linux: New file.
9002 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9004 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9005 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9006 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9007 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9008 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9009 (CPP_ARCH32_SPEC): Remove.
9011 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9013 PR tree-optimization/26145
9014 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9017 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9020 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9021 >= 240000 when generating code for SOM runtime.
9022 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9023 to $$dyncall when generating code for SOM runtime..
9025 2006-02-07 Dirk Mueller <dmueller@suse.com>
9028 * doc/invoke.texi (-Wsequence-point): Update documentation
9029 that -Wsequence-point is implemented for C++ as well.
9031 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9033 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9034 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9035 (LIB_SPEC): Likewise.
9036 * doc/invoke.texi (SPARC options): Document -pthread.
9038 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9040 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9043 2006-02-07 Roger Sayle <roger@eyesopen.com>
9045 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9046 Correct comment describing BOOLEAN_TYPE.
9048 2006-02-07 Dirk Mueller <dmueller@suse.com>
9050 * c.opt: C++ frontend supports -Wdiv-by-zero.
9051 * c-opts.c (c_common_handle_option): Remove dead case.
9053 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9055 * configure.ac (TLS assembler check): Do not enable TLS by
9056 default on SPARC/Solaris before version 10.
9057 * configure: Regenerate.
9059 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9061 * doc/invoke.texi (xl-compat): Document conversion and support
9064 2006-02-07 Jeff Law <law@redhat.com>
9066 * tree-vrp.c (find_conditional_asserts): Update comments.
9067 (simplify_stmt_for_jump_threading): New.
9068 (identify_jump_threads, finalize_jump_threads): New.
9069 (vrp_finalize): Call identify_jump_threads.
9070 (execute_vrp): Call finalize_jump_threads.
9071 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9072 (vrp_element, vrp_data, vrp_element_p): Remove.
9073 (vrp_hash_elt, vrp_variables_stack): Remove.
9074 (vrp_hash, vrp_eq, record_range): Remove.
9075 (simplify_cond_and_lookup_avail_expr): Remove.
9076 (extract_range_from_cond): Remove.
9077 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9078 (simplify_stmt_for_jump_threading): New.
9079 (dom_thread_across_edge): New wrapper.
9080 (tree_ssa_dominator_optimize): No longer initialize or
9081 finalize any of the VRP datastructures. Remove iteration
9082 step and simplify as a result of removal of iteration step.
9083 (pass_dominator): Perform a cfg cleanup after DOM.
9084 (dom_opt_finalize_block): Use the new common routines
9085 for threading jumps. Simplify stack management slightly.
9086 No longer need to unwind VRP state.
9087 (record_equivalences_from_incoming_edge): No longer record
9089 (eliminate_redundant_computations): No longer call
9090 simplify_cond_and_lookup_avail_expr.
9091 * tree-flow.h (potentially_threadable_block): Prototype.
9092 (thread_across_edge): Likewise.
9093 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9094 (tree-ssa-threadedge.o): Add dependencies.
9095 * tree-ssa-threadedge.c: New file.
9096 * passes.c (init_optimization_passes): Merge PHIs before
9097 calling VRP. Run VRP again late in the SSA optimization pipeline.
9099 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9101 * df-core.c (df_set_blocks): Do not dereference function pointers.
9102 (df_finish1): Likewise.
9103 (df_hybrid_search_forward): Likewise.
9104 (df_hybrid_search_backward): Likewise.
9105 (df_iterative_dataflow): Likewise.
9106 (df_analyze_problem): Likewise.
9107 (df_compact_blocks): Likewise.
9108 (df_dump): Likewise.
9109 * df-scan.c (df_rescan_blocks): Likewise.
9110 (df_record_entry_block_defs): Likewise.
9112 * genconditions.c (write_conditions): Guard the definition of
9113 'insn_conditions' with the check on GCC version.
9114 (write_writer): Guard the traversal 'insn_conditions' with
9115 the check on GCC version.
9117 2006-02-07 Richard Guenther <rguenther@suse.de>
9121 2006-01-30 Richard Guenther <rguenther@suse.de>
9123 * gimplify.c (gimplify_target_expr): Handle easy cases
9124 without creating a temporary.
9126 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9128 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9129 use of float in probability computations. Use edge probabilities
9130 in place of statically computed probabilities.
9131 (min_spec_prob): New static variable.
9132 (schedule_insns): Initialize it.
9133 (GET_SRC_PROB): Removed.
9134 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9136 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9139 * config/ia64/unwind-ia64.c: Revert last change.
9140 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9141 (INCOMING_FRAME_SP_OFFSET): Define.
9143 2006-02-06 Roger Sayle <roger@eyesopen.com>
9145 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9147 2006-02-07 Ben Elliston <bje@au.ibm.com>
9149 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9151 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9152 (ix86_return_in_memory): Handle TDmode.
9153 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9154 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9156 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9158 * reorg.c (dbr_schedule): Use dump_file instead of file.
9160 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9163 * config/ia64/predicates.md (extr_len_operand): New predicate.
9164 * config/ia64/ia64.md (extv): Tighten constraints.
9166 (*tbit_and_2): Ditto.
9167 (*tbit_and_3): Ditto.
9168 (*tbit_or_2): Ditto.
9169 (*tbit_or_3): Ditto.
9173 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9176 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9178 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9180 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9181 loop_optimizer_init and loop_optimizer_finalize
9182 * tree-ssa-sink.c (execute_sink_code): Ditto.
9183 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9184 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9185 tree_ssa_loop_done): Ditto.
9186 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9187 * sched-ebb.c: Include output.h.
9188 (schedule_ebbs): Do not use dump argument.
9189 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9190 * loop.c (loop_dump_stream): Removed.
9191 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9193 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9194 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9195 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9196 loop_iterations, strength_reduce, record_biv, record_giv,
9197 final_giv_value, check_final_value, check_ext_dependent_givs,
9198 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9199 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9200 dump_file instead of loop_dump_stream.
9201 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9203 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9205 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9206 * haifa-sched.c: Include output.h
9207 (schedule_insns, sched_init): Do not use dump argument.
9208 * mode-switching.c (optimize_mode_switching): Ditto.
9209 * modulo-sched.c (stats_file): Removed.
9210 (print_node_sched_params): Do not call argument dump_file.
9211 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9212 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9214 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9216 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9217 rtl_loop_init, rtl_loop_done): Ditto.
9218 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9219 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9221 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9222 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9223 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9224 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9225 * emit-rtl.c (renumber_insns): Ditto.
9226 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9227 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9228 * regclass.c (regclass): Ditto.
9229 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9230 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9231 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9232 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9234 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9235 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9237 * gcse.c (gcse_file, debug_stderr): Removed.
9238 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9239 rest_of_handle_gcse): Do not use dump argument.
9240 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9241 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9242 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9243 compute_code_hoist_vbeinout, compute_code_hoist_data,
9244 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9245 compute_store_table, build_store_vectors, insert_insn_start_bb,
9246 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9247 store_motion): Use dump_file instead of gcse_file.
9248 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9249 * profile.c (profile_dump_file): Removed.
9250 (branch_prob): Use dump_file instead of profile_dump_file.
9251 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9253 * tree-ssa-copy.c (dump_copy_of): Ditto.
9254 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9255 dump file to life_analysis.
9256 * bt-load.c (branch_target_load_optimize): Ditto.
9257 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9259 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9260 regclass, dbr_schedule): Declaration changed.
9261 * sched-int.h (sched_init): Declaration changed.
9262 * tree-profile.c (tree_profile_dump_file): Removed.
9263 (tree_profile_hooks): Removed profile_dump_file hook.
9264 * rtl-profile (rtl_profile_dump_file): Removed.
9265 (rtl_profile_hooks): emoved profile_dump_file hook.
9266 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9268 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9269 * tree-cfg.c (build_tree_cfg): Ditto.
9270 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9271 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9272 Declaration changed.
9273 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9274 life_analysis and schedule_insns.
9275 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9277 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9279 * config/mips/mips.c (mips_reorg): Ditto.
9280 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9283 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9285 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9286 (s390_mangle_fundamental_type): New.
9287 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9290 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9291 (alpha_mangle_fundamental_type): New.
9292 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9295 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9297 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9299 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9300 (sparc_mangle_fundamental_type): New.
9302 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9304 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9305 (s390x-*-linux*): Likewise.
9306 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9307 * config/s390/t-linux: New file.
9309 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9311 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9312 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9314 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9316 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9317 (ANTIC_SAFE_LOADS): New macro.
9318 (find_or_generate_expression): Add prototype.
9319 (set_contains_value): Allow null set for sake of not always having
9320 to allocate ANTIC_SAFE_LOADS.
9321 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9322 Allow COMPONENT_REF too.
9323 (valid_in_set): Allow COMPONENT_REF.
9324 Check ANTIC_SAFE_LOADS too.
9325 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9326 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9328 (can_PRE_operation): Add COMPONENT_REF.
9329 (create_component_ref_by_pieces): New function.
9330 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9331 (insert_aux): Move AGGREGATE_TYPE_P check here.
9332 (compute_avail): Set bb local stmt uids.
9333 (pass_pre): Use TODO_update_ssa_only_virtuals.
9335 2006-02-06 Ben Elliston <bje@au.ibm.com>
9337 * configure.ac: Unconditionally disable decimal float by default.
9338 * configure: Regenerate.
9340 2006-02-06 Ben Elliston <bje@au.ibm.com>
9342 * read-rtl.c (read_name): Terminate reading on EOF.
9344 2006-02-06 Ben Elliston <bje@au.ibm.com>
9346 * dfp.c (decimal_real_arithmetic): Change second argument type
9347 from int to enum tree_code. Do not always return true, but now
9348 return result of any call to decimal_do helper functions.
9349 * dfp.h (decimal_real_arithmetic): Update prototype.
9351 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9353 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9355 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9358 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9361 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9363 * tree-vrp.c (cfg_loops): Removed.
9364 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9365 Use current_loops instead of cfg_loops. Pass flags to
9366 loop_optimizer_init.
9367 * cfgloopmanip.c (fix_loop_structure): Update only available
9369 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9370 loop_optimizer_init.
9371 * modulo-sched.c (build_loops_structure): Removed.
9372 (sms_schedule): Use loop_optimizer_init.
9373 * loop-init.c (loop_optimizer_init): Use flags to determine
9374 which properties of loops to prepare.
9375 (rtl_loop_init): Pass flags to loop_optimizer_init.
9376 * tree-ssa-sink.c (execute_sink_code): Ditto.
9377 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9378 * tree-ssa-pre.c (init_pre): Ditto.
9379 * cfgloop.h (LOOPS_NORMAL): New.
9380 (loop_optimizer_init): Declaration changed.
9382 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9384 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9385 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9387 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9389 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9391 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9392 * pa/t-pa64: Delete quadlib.c rule.
9393 * pa/x-ada: Revert last change.
9394 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9396 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9398 PR rtl-optimization/26087
9399 * rtlanal.c (canonicalize_condition): Do not cross basic block
9402 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9405 * config/ia64/ia64.c: Include debug.h.
9406 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9407 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9408 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9409 (process_epilogue, process_set, process_for_unwind_directive):
9410 Output unwind info only if requested. Add CFA info if requested.
9411 Add new arguments as needed. Adjust callers.
9412 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9414 (DWARF2_FRAME_INFO): Define to zero.
9415 * config/ia64/unwind-ia64.c: Remove code that compensated for
9416 the CFA offset error fixed above.
9417 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9418 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9419 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9420 -funwind-tables and -fexceptions to enable frame info.
9421 (dwarf2out_frame_init): Define initial CFA even if
9422 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9423 DWARF2_UNWIND_INFO is nonzero, not just defined.
9424 (dwarf2out_frame_finish): Output non-EH call frame info only
9425 if DWARF2_FRAME_INFO is nonzero.
9426 (convert_cfa_to_loc_list,
9427 compute_frame_pointer_to_cfa_displacement): Define even if
9428 unwind info is not supported.
9429 (gen_subprogram_die): Use the above unconditionally. Remove
9430 legacy alternate code.
9431 * toplev.c (compile_file): Compile in call to
9432 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9433 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9435 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9436 Jakub Jelinek <jakub@redhat.com>
9438 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9439 IBM extended float format long double as "g" on powerpc*-linux.
9441 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9444 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9445 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9447 2006-02-03 Jason Merrill <jason@redhat.com>
9450 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9453 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9454 on the return slot if it's an NRV.
9456 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9458 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9459 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9460 rewrite_use): Do not handle USE_OUTER.
9461 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9462 add_iv_outer_candidates, may_replace_final_value,
9463 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9464 (find_interesting_uses_op): Functionality of
9465 find_interesting_uses_outer_or_nonlin moved here.
9466 (find_interesting_uses_outside): Use find_interesting_uses_op.
9468 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9471 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9473 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9474 Ulrich Weigand <uweigand@de.ibm.com>
9477 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9478 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9479 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9480 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9482 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9483 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9484 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9485 Define secondary reloads for TFmode moves.
9486 (constant_modes): Add TFmode.
9487 (NR_C_MODES): Set to 8.
9488 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9490 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9491 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9492 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9493 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9494 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9495 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9496 (FPR mode macro): Add TFmode.
9497 (DSF mode macro): New.
9498 (<de>, <dee> mode attributes): Removed.
9499 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9500 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9501 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9502 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9503 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9504 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9505 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9506 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9507 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9508 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9509 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9510 "*negabs<mode>2", "sqrt<mode>2"):
9511 Changed <de> to <xde>. R constraint replaced by <Rf>.
9512 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9514 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9515 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9516 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9518 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9519 "extenddftf2", "extendsftf2"): New expanders.
9520 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9521 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9522 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9523 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9525 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9526 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9527 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9528 __floatditf): Add a GCC_4.1.0 symbol version tag.
9529 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9532 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9535 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9536 Use targetm.binds_local_p instead of TREE_PUBLIC.
9538 2006-02-02 Roger Sayle <roger@eyesopen.com>
9540 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9541 on INTEGER_TYPEs to indicate that it denotes a character type.
9542 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9543 signed_char_type_node, unsigned_char_type_node and char_type_node.
9544 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9545 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9546 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9548 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9549 Daniel Berlin <dberlin@dberlin.org>
9551 * tree-tailcall.c (arg_needs_copy_p): New function.
9552 (eliminate_tail_call): Use arg_needs_copy_p.
9553 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9554 (add_virtual_phis): New function.
9556 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9558 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9559 #ignore instead of #scratch for %g7 .register directive.
9561 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9563 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9566 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9568 * flow.c (calculate_global_regs_live): Assert that there aren't any
9571 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9573 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9575 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9576 bsi_after_labels iterator.
9577 * tree-if-conv.c (find_phi_replacement_condition,
9578 replace_phi_with_cond_modify_expr): Likewise.
9579 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9580 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9582 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9584 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9586 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9589 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9590 array after growing it.
9592 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9595 * fold-const.c (fold_checksum_tree): Change type of buf.
9597 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9599 * reload.c (push_secondary_reload): Initialize t_icode.
9601 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9603 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9604 -msoft-float -mlong-double-128 only issue a warning, but don't
9605 swich to DFmode long double.
9607 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9609 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9610 has a constant equivalent, iterate over equivalents for arg0,
9611 calling simplify_relational_operation and if there's a result
9612 cheaper than X, apply fold_rtx and return the result.
9614 2006-02-01 Jan Hubicka <jh@suse.cz>
9616 * opts.c (no_unit_at_a_time_default): New global variable.
9617 (decode_options): Use it.
9618 * opts.h (no_unit_at_a_time_default): Declare.
9620 2006-02-01 Paul Brook <paul@codesourcery.com>
9622 * function.c (assign_parm_setup_reg): Use function argument promotion
9624 * expr.c (expand_expr_real_1): Use function argument promotion rules
9627 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9629 * gcc.c (process_command): Change j to 'unsigned int'.
9631 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9634 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9635 Use the corrected index for the character
9636 out of the string constant.
9638 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9640 * mode-switching.c (optimize_mode_switching): Fix size
9641 allocated for bb_info[n_entities].
9643 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9645 * gcc.c (main): Correct type that is allocated for
9646 explicit_link_files.
9648 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9650 * config/s390/s390.c (init_alignment_context): Set
9651 ALIAS_SET_MEMORY_BARRIER on the MEM.
9652 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9654 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9657 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9659 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9662 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9664 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9665 * regrename.c: Ditto.
9666 * tree-ssa-loop-im.c: Ditto.
9667 * tree-dump.c: Ditto.
9668 * tree-complex.c: Ditto.
9669 * genrecog.c: Ditto.
9670 * tree-ssa-threadupdate.c: Ditto.
9672 * java/class.c: Ditto.
9673 * java/jcf-parse.c: Ditto.
9674 * java/resource.c: Ditto.
9675 * java/except.c: Ditto.
9676 * java/jvspec.c: Ditto.
9677 * java/jcf-write.c: Ditto.
9678 * java/jcf-path.c: Ditto.
9679 * java/gjavah.c: Ditto.
9680 * java/zextract.c: Ditto.
9681 * java/jcf-io.c: Ditto.
9682 * java/jcf.h: Ditto.
9683 * java/buffer.c: Ditto.
9684 * java/lang.c: Ditto.
9685 * java/parse-scan.y: Ditto.
9686 * java/lex.c: Ditto.
9687 * java/lex.h: Ditto.
9688 * cfgloopmanip.c: Ditto.
9689 * postreload-gcse.c: Ditto.
9690 * tree-ssa-loop-manip.c: Ditto.
9691 * postreload.c: Ditto.
9692 * tree-ssa-loop-ch.c: Ditto.
9696 * diagnostic.c: Ditto.
9698 * genoutput.c: Ditto.
9700 * cfghooks.c: Ditto.
9701 * cfgloopanal.c: Ditto.
9702 * objc/objc-act.c: Ditto.
9704 * genextract.c: Ditto.
9705 * genautomata.c: Ditto.
9706 * pretty-print.c: Ditto.
9708 * cgraphunit.c: Ditto.
9711 * haifa-sched.c: Ditto.
9712 * dominance.c: Ditto.
9714 * tree-ssa-loop-ivopts.c: Ditto.
9716 * mode-switching.c: Ditto.
9717 * modulo-sched.c: Ditto.
9719 * ipa-pure-const.c: Ditto.
9721 * fix-header.c: Ditto.
9723 * tree-stdarg.c: Ditto.
9724 * ipa-utils.c: Ditto.
9725 * loop-init.c: Ditto.
9726 * ipa-inline.c: Ditto.
9729 * alloc-pool.c: Ditto.
9730 * dwarf2out.c: Ditto.
9732 * genattrtab.c: Ditto.
9733 * tree-ssa-loop-ivcanon.c: Ditto.
9737 * fortran/gfortranspec.c: Ditto.
9739 * local-alloc.c: Ditto.
9740 * langhooks.c: Ditto.
9741 * function.c: Ditto.
9742 * tree-vectorizer.c: Ditto.
9744 * ipa-type-escape.c: Ditto.
9746 * tree-if-conv.c: Ditto.
9749 * tree-data-ref.c: Ditto.
9750 * loop-unroll.c: Ditto.
9751 * treelang/treetree.c: Ditto.
9754 * ggc-common.c: Ditto.
9756 * coverage.c: Ditto.
9758 * tree-cfgcleanup.c: Ditto.
9759 * tree-ssa-pre.c: Ditto.
9760 * cfgcleanup.c: Ditto.
9761 * loop-invariant.c: Ditto.
9763 * ipa-prop.c: Ditto.
9764 * print-tree.c: Ditto.
9765 * conflict.c: Ditto.
9766 * ggc-page.c: Ditto.
9767 * sched-deps.c: Ditto.
9768 * regclass.c: Ditto.
9769 * tree-object-size.c: Ditto.
9771 * bb-reorder.c: Ditto.
9772 * resource.c: Ditto.
9773 * var-tracking.c: Ditto.
9775 * df-problems.c: Ditto.
9776 * reg-stack.c: Ditto.
9779 * sched-rgn.c: Ditto.
9780 * tree-ssa-structalias.c: Ditto.
9781 * tree-ssa-reassoc.c: Ditto.
9782 * config/darwin-c.c: Ditto.
9783 * config/darwin.c: Ditto.
9784 * config/arm/arm.c: Ditto.
9786 * collect2.c: Ditto.
9789 2006-01-31 Nicolas Pitre <nico@cam.org>
9791 * arm.md (smaxsi3): Make aware of smax_m1.
9794 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9796 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9798 2006-01-31 Richard Guenther <rguenther@suse.de>
9800 * doc/invoke.texi (-msselibm): Document.
9801 * target.h (expand_library_builtin): New target hook.
9802 * builtins.c (expand_builtin): Use expand_library_builtin.
9803 (default_expand_library_builtin): New function.
9804 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9805 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9806 (link_gcc_math_spec): Declare.
9807 (static_specs): Add link_gcc_math_spec.
9808 * expr.h (default_expand_library_builtin): Declare.
9809 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9810 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9811 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9812 * config/i386/i386.opt (msselibm): New target option.
9813 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9814 (ix86_init_sse_abi_builtins): New function.
9815 (ix86_expand_library_builtin): Likewise.
9816 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9817 (override_options): Handle error conditions wrt -msselibm.
9818 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9819 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9820 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9823 2006-01-31 Richard Guenther <rguenther@suse.de>
9824 Paolo Bonzini <bonzini@gnu.org>
9826 * doc/install.texi (--disable-libgcc-math): Document.
9828 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9830 * expr.h (expand_normal): new inline function.
9831 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9833 * dwarf2out.c: use it.
9838 * config/sparc/sparc.c: use it.
9839 * config/i386/i386.c: use it.
9840 * config/rs6000/rs6000.c: use it.
9841 * config/arm/arm.c: use it.
9842 * config/mips/mips.c: use it.
9843 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9845 2006-01-30 Roger Sayle <roger@eyesopen.com>
9847 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9848 argv to the appropriate type.
9850 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9852 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9855 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9858 * config/s390/s390.c (struct machine_function): New flag
9859 decomposed_literal_pool_addresses_ok_p.
9860 (s390_reorg): Set it before final stage of literal pool transforms.
9861 (s390_decompose_address): Only accept displacements of the form
9862 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9864 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9866 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9867 the comparison routine return.
9869 2006-01-30 Michael Matz <matz@suse.de>
9871 * global.c (find_reg): Only evict for global regs.
9872 Take n_refs into account and dump more info.
9874 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9877 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9878 (pragma_trap, pragma_nosave_low_regs): Likewise.
9879 (current_function_anonymous_args): Likewise.
9880 (sh_deferred_function_attributes): New variable.
9881 (sh_deferred_function_attributes_tail): Likewise.
9882 (print_operand): For '@', look up trap_exit attribute.
9883 (calc_live_regs): Look up trapa_handler attribute. For trapa
9884 handlers, save/restore fpscr, but don't do any other
9885 interrupt-specific saves.
9886 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9887 Fix check for partially saved registers to check for SHmedia.
9888 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9889 (sh_output_function_epilogue): Don't clear any of the removed
9891 (sh_insert_attributes): Don't check pragma_interrupt.
9892 Insert deferred attributes. Check that interrupt attribute is
9893 present for other attributes that require its presence.
9894 (sh_attribute_table): Add new attributes trapa_handler and
9896 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9897 Don't check for pragma_interrupt. Don't store argument.
9898 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9899 (sh_deferred_function_attributes): Declare.
9900 (sh_deferred_function_attributes_tail): Likewise.
9901 * sh.md (sp_switch_1): Add operand. Change generator caller.
9902 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9903 (*return_i): Don't use when trap_exit attribute is in effect.
9904 (*return_trapa): New insn pattern.
9906 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9907 setting c_target_objs and cxx_target_objs.
9908 * t-sh: Add rule for sh-c.o.
9910 2006-01-30 Richard Guenther <rguenther@suse.de>
9913 * gimplify.c (gimplify_target_expr): Handle easy cases
9914 without creating a temporary.
9916 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9918 * vec.h (safe_grow): Remove duplicated line.
9920 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9923 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9924 (expand_omp): ... here.
9925 (expand_omp_parallel): Only remove barriers for combined
9926 parallel+workshare constructs.
9928 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9932 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9933 * tree.c (build_qualified_type): Chain the new type to the original
9934 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9935 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9936 (build_pointer_type_for_mode): Only return unqualified types.
9937 (build_reference_type_for_mode): Likewise.
9939 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9941 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9942 * Makefile.in (CXX_COMPAT_WARN): Define.
9943 * configure: Regenerate.
9945 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9948 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9951 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9953 * toplev.c: Fix thinko.
9955 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9956 Marcin Dalecki <martin@dalecki.de>
9958 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9959 (push_srcloc): Use XNEW.
9960 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9962 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9964 * df-core.c (df_set_blocks): Deleted all variable.
9966 2006-01-28 Ian Lance Taylor <ian@airs.com>
9968 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9969 cgraph_output_pending_asms.
9971 2006-01-28 Zack Weinberg <zackw@panix.com>
9973 * c.opt: Add -W(no-)overlength-strings.
9974 * doc/invoke.texi: Document it.
9975 * c-opts.c (c_common_handle_option): -pedantic implies
9976 -Woverlength-strings, if not explicitly disabled already.
9977 (c_common_post_options): -Woverlength-strings defaults to off, and
9978 is always off for C++.
9979 * c-common.c (fix_string_type): Issue warning about strings longer
9980 than is portable only if warn_overlength_strings. Rearrange code
9981 a little for clarity.
9982 * configure.in: Check for -Wno-overlength-strings as well before
9983 enabling -pedantic in stage 1.
9984 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9985 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9987 * genconditions.c (write_header, write_one_condition)
9988 (write_conditions, write_writer): Consolidate very long strings
9989 that were broken up to fit in C89 portable limit. Don't use
9990 printf when fputs will do.
9992 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9994 * combine.c (simplify_comparison <AND>): Check
9995 TRULY_NOOP_TRUNCATION before start using a subreg.
9997 * config/mips/mips.md (*branch_zero<mode>,
9998 *branch_zero<mode>_inverted, *branch_equality<mode>,
9999 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10000 Remove mode check from comparisons.
10002 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10004 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10006 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10008 * expmed.c (const_mult_add_overflow_p): Remove.
10009 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10011 * recog.c (validate_replace_rtx_subexp): Remove.
10012 * recog.h: Remove the prototype for
10013 validate_replace_rtx_subexp.
10015 * integrate.h: Remove the prototype for
10016 copy_decl_for_inlining.
10017 * rtl.h: Remove the prototype for mark_constant_function.
10018 * tree-vectorizer.h: Remove the prototype for
10019 vect_strip_conversion.
10021 * modulo-sched.c (create_partial_schedule,
10022 free_partial_schedule, reset_partial_schedule): Make them
10025 * hooks.c (hook_bool_rtx_int_false): Remove.
10026 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10028 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10030 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10031 and -mlong-double-128 are incompatible.
10032 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10033 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10034 (TARGET_LIBGCC2_CFLAGS): Define.
10035 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10036 (TARGET_LIBGCC2_CFLAGS): Same.
10037 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10039 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10042 * c-typeck.c (build_binary_op): Perform implicit casts of
10043 operands before shortening them.
10045 * cfgloopmanip.c (split_loop_bb): Remove.
10046 * cfgloop.h: Remove the prototype for split_loop_bb.
10048 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10049 * cfgloop.h: Remove the prototype for
10050 flow_loop_outside_edge_p.
10052 * emit-rtl.c (init_virtual_regs): Make it static.
10053 * function.h: Remove the prototype for init_virtual_regs.
10055 * recog.c (peephole2_optimize): Make it static.
10056 * recog.h: Remove the prototype for peephole2_optimize.
10058 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10060 * df-scan.c (df_record_entry_block_defs): Check if
10061 INCOMING_RETURN_ADDR_RTX is defined.
10063 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10064 Kenneth Zadeck <zadeck@naturalbridge.com>
10066 PR rtl-optimization/24762
10067 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10068 * targhooks.c (hook_void_bitmap): New hook prototype.
10069 * targhoohs.h (hook_void_bitmap): Ditto.
10070 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10071 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10072 * target.h (live_on_entry): New function pointer.
10073 * df-scan.c (df_all_hard_regs): Removed.
10074 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10075 (df_scan_free_internal): Added df->entry_block_defs.
10076 (df_scan_alloc): Ditto.
10077 (df_scan_dump): Ditto.
10078 (df_uses_record): Plumbed flag field properly thru calls.
10079 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10080 This part fixes PR24762.
10081 (df_bb_refs_record): Added code to make the frame and arg
10082 pointers live in EH blocks.
10083 (df_refs_record): Added call to df_record_entry_block_defs.
10084 (df_record_entry_block_defs): New function.
10085 * df-core.c: Added comments to describe new artifical defs.
10086 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10087 (entry_block_defs): New field in struct df.
10088 (df_all_hard_regs): Deleted.
10089 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10090 * df-problems.c (df_ru_bb_local_compute_process_def):
10091 Added code to handle artifical defs in the entry to a function.
10092 (df_ru_bb_local_compute): Ditto.
10093 (df_rd_bb_local_compute_process_def): Ditto.
10094 (df_rd_bb_local_compute): Ditto.
10095 (df_lr_bb_local_compute): Ditto.
10096 (df_ur_bb_local_compute): Ditto.
10097 (df_urec_bb_local_compute): Ditto.
10098 (df_chain_create_bb): Ditto.
10099 (df_ur_local_finalize): Removed entry.
10100 (df_urec_init): Ditto.
10101 (df_urec_local_finalize): Ditto.
10102 (df_ri_bb_compute): Added detection of last use of pseudos.
10103 * Makefile.in (df-scan.o): Updated dependencies.
10104 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10105 * config/mips/mips.c (mips_set_live_on_entry): Added.
10106 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10108 * dce.c (marked_insn_p): Added code to handle artifical defs.
10110 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10112 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10114 (_mm_cvtsi128_si64): Likewise.
10115 (_mm_cvtsd_si64): Likewise.
10116 (_mm_cvttsd_si64): Likewise.
10117 (_mm_cvtsi64_sd): Likewise.
10118 (_mm_cvtsi64_si128): Likewise.
10119 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10120 (_mm_cvtsi64_m64): Likewise.
10121 (_m_to_int64): Likewise.
10122 (_mm_cvtm64_si64): Likewise.
10123 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10124 (_mm_cvttss_si64): Likewise.
10125 (_mm_cvtsi64_ss): Likewise.
10126 (_mm_cvtss_f32): Likewise.
10128 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10130 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10131 for pragma redefine_extname.
10133 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10136 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10137 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10138 -mno-minimal-toc to previous content.
10139 (bispecs): Remove goal.
10140 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10141 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10142 compatibility aliases on powerpc-*-*gnu*.
10143 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10144 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10145 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10146 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10147 (ldblspecs): New goal.
10148 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10149 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10151 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10152 L_sf_to_tf or L_df_to_tf is defined.
10154 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10155 Alan Modra <amodra@bigpond.net.au>
10158 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10159 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10160 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10161 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10162 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10163 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10164 (rs6000_override_options): Initialize rs6000_ieeequad.
10165 Initialize TFmode format to ibm_extended_format if not
10167 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10169 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10170 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10171 (function_arg_advance): IBM long double passed in two FPRs, not
10173 (function_arg): IBM long double passed in FPRs.
10174 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10175 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10176 Only multireg GPR aligned.
10177 (rs6000_init_libfuncs): Enable IBM long double functions if not
10179 (rs6000_generate_compare): Use IBM long double compare if not
10181 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10182 (TARGET_IEEEQUAD): Define.
10183 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10184 not TARGET_IEEEQUAD.
10185 * config/rs6000/rs6000.md: Enable TFmode patterns if
10187 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10188 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10189 and -mlong-double-128 are incompatible.
10190 * doc/invoke.texi (-mabi): Collect options together. Add
10191 ibmlongdouble and ieeelongdouble.
10193 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10195 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10197 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10198 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10199 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10200 * rtl.h (rtunion_def): Remove rt_ptr.
10202 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10203 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10204 * config/i386/winnt.c (i386_pe_mark_dllexport)
10205 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10207 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10209 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10211 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10215 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10216 pthread_key_delete. From John David Anglin. gthrw-ify
10217 pthread_getunique_np only if it it's not a macro. Delete
10219 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10220 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10221 __gthread_objc_condition_signal, __gthread_key_delete): Add
10222 "__attribute__ ((__unused__))" to unused arguments.
10223 (__gthread_recursive_mutex_init_function): Add missing return.
10224 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10225 gthr-posix95.h: Use macro-based approach for name redirection
10226 on targets missing weakref.
10228 2006-01-26 Zack Weinberg <zackw@panix.com>
10230 * genconditions.c (write_header): In generated code, #ifdef out
10231 all includes and fake declarations, except includes of bconfig.h
10232 and system.h, unless GCC_VERSION >= 3001. Do not include
10233 gensupport.h in any case.
10234 (write_conditions): Generate a definition of struct c_test. Add
10235 a comment to the generated #endif.
10236 (write_one_condition): Escape backslashes in string too.
10237 (write_writer): Generated code must escape backslashes and quote
10238 marks (but not newlines) in the strings it writes.
10239 * Makefile.in (build/gencondmd.o): Update dependencies.
10241 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10244 * Makefile.in (insn-automata.o): Add header file dependencies.
10245 * genautomata.c: Add includes.
10247 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10250 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10252 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10254 * configure.ac: Expect target tools paths to be passed from the toplevel
10255 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10257 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10259 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10262 * c.opt (Wpointer-sign): Init to -1.
10263 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10264 OPT_pedantic, to 0 otherwise.
10265 * doc/invoke.texi: Update.
10267 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10269 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10270 constants provided by 80387 instructions in the destination mode.
10272 2006-01-26 Richard Guenther <rguenther@suse.de>
10273 Andrew Pinski <pinskia@physics.uc.edu>
10276 partial PR tree-opt/17064
10277 * tree-ssa-structalias.c (intra_create_variable_infos):
10278 Create heap variables for incoming parameters if
10279 flag_argument_noalias > 1.
10280 (find_what_p_points_to): Look through default defs of
10283 2006-01-26 Jeff Law <law@redhat.com>
10286 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10287 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10288 within the VR_RANGE, use the VR_RANGE as the result, not the
10290 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10291 bounds for the type.
10293 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10295 * tree-ssa-alias.c (maybe_create_global_var): Change
10296 subvar walking to an assertion that we don't have subvar'd variables.
10298 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10301 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10302 Use a new variable, inner. PARM_DECLs are always non-weak.
10304 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10306 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10307 --disable-checking.
10309 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10311 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10313 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10315 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10316 (smax_insn, smin_insn, smax_0, smin_0): New.
10318 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10321 * config/cris/cris.c (cris_order_for_addsi3): New function.
10322 * config/cris/cris-protos.h: Prototype it.
10323 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10324 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10325 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10326 (split for "op.S1 [rx=rx+i],ry (swapped)")
10327 (split for "op(s|u).S1 [rx=rx+i],ry")
10328 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10329 Apply cris_order_for_addsi3 when generating addsi3 insns.
10331 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10333 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10334 (TREE_BLOCK): Add call to EXPR_CHECK.
10336 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10339 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10340 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10341 (dump_omp_clauses): ... here.
10342 (dump_generic_node): Handle OMP_CLAUSE.
10343 * tree.c (omp_clause_num_ops): New.
10344 (omp_clause_code_name): New.
10345 (tree_code_size): Handle OMP_CLAUSE.
10346 (tree_size): Likewise.
10347 (make_node): Document handling of OMP_CLAUSE.
10348 (tree_node_structure): Handle OMP_CLAUSE.
10349 (omp_clause_check_failed): New.
10350 (omp_clause_range_check_failed): New.
10351 (omp_clause_operand_check_failed): New.
10352 (build_omp_clause): New.
10353 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10354 * tree.h (enum omp_clause_code): Declare.
10355 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10356 (OMP_CLAUSE_RANGE_CHECK): Define.
10357 (OMP_CLAUSE_ELT_CHECK): Define.
10358 (omp_clause_check_failed): Declare.
10359 (omp_clause_operand_check_failed): Declare.
10360 (omp_clause_range_check_failed): Declare.
10361 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10362 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10363 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10364 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10365 (OMP_CLAUSE_IF_EXPR): Likewise.
10366 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10367 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10368 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10369 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10370 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10371 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10372 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10373 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10374 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10375 (OMP_CLAUSE_CODE): Define.
10376 (OMP_CLAUSE_SET_CODE): Define.
10377 (OMP_CLAUSE_CODE): Define.
10378 (OMP_CLAUSE_OPERAND): Define.
10379 (struct tree_omp_clause): Declare.
10380 (union tree_node): Add field 'omp_clause'.
10381 * treestruct.def (TS_OMP_CLAUSE): Define.
10382 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10383 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10384 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10385 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10386 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10387 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10388 (OMP_CLAUSE): Define.
10389 * print-tree.c (print_node): Handle OMP_CLAUSE.
10390 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10391 * c-typeck.c: Likewise.
10392 * gimplify.c: Likewise.
10393 * c-omp.c: Likewise.
10394 * tree-nested.c: Likewise.
10395 * tree-inline.c: Likewise.
10396 * c-parser.c: Likewise.
10397 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10400 2006-01-25 Roger Sayle <roger@eyesopen.com>
10402 PR rtl-optimization/25703
10403 * combine.c (try_combine): Handle zero_extract and strict_low_part
10404 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10406 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10408 * global.c: Fix comment typos.
10410 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10413 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10414 Use output_addr_const instead of assemble_name.
10416 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10418 * Makefile.in (sched-vis.o): Update dependencies.
10419 * haifa-sched.c (sched_finish): Clear current_sched_info.
10420 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10421 (dump_flow_info): Call it.
10422 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10424 * basic-block.h (dump_bb_info): Declare.
10425 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10426 option, and apply options only for dump files whose TDF_RTL,
10427 TDF_TREE, or TDF_IPA bits match.
10428 * rtl.h: Declare new functions exported from sched-vis.c.
10429 * sched-vis.c: Enable also if scheduling is not used.
10430 (print_value): Print the mode of registers if not inside scheduling.
10431 (print_insn): Make it work outside the scheduler. Beautify the output
10433 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10435 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10437 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10438 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10439 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10440 depending on the value of CONSTANT_POOL_ADDRESS_P.
10441 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10443 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10444 rather than SYMBOL_REF_DECL.
10445 (rtx_constant_pool): Remove const_rtx_sym_htab.
10446 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10447 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10448 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10449 Remove handling of const_rtx_sym_htab.
10450 (find_pool_constant): Delete.
10451 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10452 rather than find_pool_constant.
10453 (get_pool_constant_for_function): Delete.
10454 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10455 find_pool_constant.
10456 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10457 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10458 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10459 (SYMBOL_REF_CONSTANT): New macro.
10460 (get_pool_constant_for_function): Delete.
10461 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10462 rather than SYMBOL_REF_DECL.
10463 (i386_pe_mark_dllimport): Likewise.
10464 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10465 rather than SYMBOL_REF_DECL.
10466 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10467 (machopic_indirect_call_target): Likewise.
10469 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10471 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10473 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10475 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10477 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10479 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10481 2006-01-24 David Daney <ddaney@avtrex.com>
10484 * configure.ac (enable_tls): New enable option.
10485 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10486 * configure: Regenerate.
10487 * doc/install.texi (--enable-tls): Document new option.
10488 (--disable-tls): Ditto.
10490 2006-01-24 Richard Henderson <rth@redehat.com>
10492 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10493 * alias.c (true_dependence): Respect it.
10494 (canon_true_dependence, write_dependence_p): Likewise.
10495 * builtins.c (get_builtin_sync_mem): Set it.
10497 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10499 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10502 2006-01-24 DJ Delorie <dj@redhat.com>
10504 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10505 for storing constants in single-bit bitfields.
10507 2006-01-25 Ben Elliston <bje@au.ibm.com>
10509 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10511 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10514 * tree-ssa-pre.c (phi_translate): Return NULL
10515 for AGGREGATE_TYPE's.
10517 2006-01-24 Zack Weinberg <zackw@panix.com>
10519 * genautomata.c (process_state_for_insn_equiv_partition):
10520 Use xcalloc for insn_arcs_array.
10521 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10522 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10524 2006-01-24 Richard Henderson <rth@redhat.com>
10526 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10527 update all callers.
10529 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10531 PR rtl-optimization/25890
10532 PR rtl-optimization/25905
10533 * combine.c (expand_compound_operation, expand_field_assignment):
10534 Fail if the bitfield's final position is out of bounds.
10536 2006-01-24 Ian Lance Taylor <ian@airs.com>
10538 PR middle-end/25930
10539 * cgraphunit.c (cgraph_output_in_order): Don't clear
10540 cgraph_asm_nodes until after asm strings have been output.
10542 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10544 * fix-header.c (read_scan_file): Add new parameter imultilib when
10545 calling register_include_chains.
10547 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10549 * omp-low.c: Update documentation.
10551 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10552 Daniel Berlin <dberlin@dberlin.org>
10556 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10557 return from the function.
10559 2006-01-22 Zack Weinberg <zackw@panix.com>
10561 * rtl.def (match_code): Add second argument.
10562 * genpreds.c (write_extract_subexp): New function.
10563 (write_match_code): Add path argument. Use write_extract_subexp.
10564 (write_predicate_expr): Pass path to write_match_code.
10565 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10566 not perform a mode test.
10567 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10568 a subexpression does not constrain the top-level code set.
10569 * read-rtl.c (read_rtx_variadic): New function.
10570 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10571 * doc/md.texi: Document new notation.
10572 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10573 (cmpsi_operand): ... here, using new notation.
10575 2006-01-22 Zack Weinberg <zackw@panix.com>
10577 * varray.c: Remove GENERATOR_FILE #ifdefs.
10579 2006-01-22 Zack Weinberg <zackw@panix.com>
10581 * genautomata.c (output_reserved_units_table): Emit nothing if
10582 description->query_units_num is zero. Remove extra blank line.
10583 (output_cpu_unit_reservation_p): Short circuit
10584 if description->query_units_num is zero.
10586 2006-01-22 Zack Weinberg <zackw@panix.com>
10588 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10589 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10590 nor any of the random handful of variables that used to be necessary
10591 when this program was linked with rtlanal.o. Prune set of forward
10592 function declarations.
10593 (struct attr_desc): Remove static_p field.
10594 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10595 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10596 (attr_string): Do not read the character one past the length of
10598 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10599 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10600 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10601 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10602 (make_automaton_attrs): New.
10603 (main): Do not call into genautomata. Call local gen_bypass
10604 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10605 Remove special case for insn_alts.
10606 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10607 varray.h (leftover from previous change). Prune set of forward
10608 function declarations. Remove state_alts fields from all
10609 structures. Remove state_alts_table from struct automaton.
10610 Make everything except main static. Do not maintain num_dfa_decls.
10611 Do not maintain state_alts fields of various structures.
10612 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10613 (add_arc): Remove state_alts argument. All callers updated.
10614 (output_reserved_units_table): Emit #ifdef here...
10615 (output_tables): ...not here. Don't generate state_alts tables.
10616 (expand_automata): Don't generate attributes.
10617 (write_automata): Don't generate state_alts functions.
10618 (main): New function.
10619 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10620 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10621 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10622 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10623 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10624 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10625 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10626 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10628 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10629 * genattrtab.h: Delete file.
10630 * Makefile.in (OBJS-common): Add insn-automata.o.
10631 (insn-automata.o): New rule.
10632 (simple_generated_c): Add insn-automata.c.
10633 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10634 (genprogmd): Add automata.
10635 (build/genattrtab): Needs no extra objects nor libraries.
10636 (build/genautomata): Needs build/vec.o and -lm.
10638 2006-01-22 Zack Weinberg <zackw@panix.com>
10640 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10641 (output_dfa_max_issue_rate, locked_states_num): Delete.
10642 (struct automaton): Add locked_states field.
10643 (output_dead_lock_vect): Save number of locked states in
10644 automaton->locked_states. If it is zero, don't print anything.
10645 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10646 (output_internal_dead_lock_func): Only test the dead_lock_vect
10647 for automata that have locked states.
10648 (output_statistics): Always print the number of locked states for
10649 each automaton. Calculate total number of locked states here.
10650 (write_automata): Don't call output_dfa_max_issue_rate.
10651 * genattrtab.c: Define length_unit_log as a const variable.
10652 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10653 max_insn_queue_index const.
10654 * final.c (length_unit_log): Declare const.
10655 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10657 2006-01-22 Zack Weinberg <zackw@panix.com>
10659 * genautomata.c: Include vec.h, not varray.h.
10660 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10661 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10662 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10663 VEC_* macros operating on appropriately typed vectors, or to
10664 malloced arrays when the size is known in advance. Const-ify
10665 many char* variables and function arguments. No functional changes.
10666 * Makefile.in (build/varray.o): Delete rule.
10667 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10668 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10670 2006-01-22 Zack Weinberg <zackw@panix.com>
10672 * gensupport.c: Define get_insn_name and record_insn_name here.
10673 (read_md_rtx): Call record_insn_name as appropriate.
10674 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10675 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10676 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10678 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10679 (BUILD_VARRAY): Delete.
10680 (genprognormal): Rename genprogmd. Fold in all programs from
10681 genprognoprint; also attrtab.
10682 (build/genattrtab): Just mention genautomata.o and varray.o.
10683 Reorganize a bit, add comments to make the categories clearer.
10685 2006-01-22 Zack Weinberg <zackw@panix.com>
10687 * genconditions.c (condition_table, add_condition): Delete.
10688 (write_conditions): Don't emit n_insn_conditions nor
10689 insn_elision_unavailable. Issue the gcc version #ifdef here,
10690 inside the table, with no #else clause ...
10691 (write_header): ...not here.
10692 (write_writer): New function.
10693 (main): Don't initialize condition_table. Use add_c_test.
10695 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10696 files on the command line.
10697 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10698 Return -1 if there is no entry in the table, don't abort.
10699 (add_c_test, traverse_c_tests): New functions.
10700 * gensupport.h (insn_elision_unavailable, insn_conditions)
10701 (n_insn_conditions): Delete declarations.
10702 (add_c_test, traverse_c_tests): Declare.
10703 * read-rtl.c: Include gensupport.h.
10704 (read_conditions): New function.
10705 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10706 (read_rtx_1): If we get EOF when we were looking for an initial
10707 open paren, return 0. Call read_conditions when appropriate.
10708 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10709 dummy-conditions.o. Eliminate references to insn-conditions.o,
10710 or change them to build/gencondmd.o, as appropriate. Remove
10711 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10712 from $(simple_generated_c). For all files remaining in those
10713 two lists, add insn-conditions.md to the generator command line.
10714 Give insn-constants.h/s-constants their own rules. Add rules
10715 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10716 (build/read-rtl.o): Depend on gensupport.h.
10717 (genprognormal): Include preds.
10718 (genprogearly): Rename genprognoprint; only difference is now that
10719 they don't link with $(BUILD_PRINT).
10720 * dummy-conditions.c: Delete.
10722 2006-01-22 Zack Weinberg <zackw@panix.com>
10724 * genextract.c: Don't include insn-config.h. Do include vec.h.
10725 Declare vectors of int, char, and locstr.
10726 (locstr): New typedef.
10727 (struct extraction): Make all array fields into bare pointers.
10728 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10729 (insn_code_number): Delete.
10730 (accum_extract): New struct.
10731 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10732 (gen_insn): Take insn_code_number as an argument. Use an
10733 accum_extract structure instead of loading data directly into
10734 a struct extraction, and having to know how big it might get.
10735 (walk_rtx): Operate entirely on an accum_extract structure.
10736 (print_path): Avoid unnecessary use of printf.
10737 (print_header): New function, split out of main. Distinguish
10738 more carefully between an unrecognizable insn and an insn that
10739 has the code number of a define_expand.
10740 (main): Pass insn_code_number to gen_insn. Call print_header
10741 only after parsing. Avoid unnecessary use of printf.
10742 * Makefile.in (build/vec.o): New rule.
10743 (build/genextract): Depend on build/vec.o.
10744 (build/genextract.o): Don't depend on insn-config.h.
10746 2006-01-22 Zack Weinberg <zackw@panix.com>
10748 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10749 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10750 practical. Eliminate per-generator-program link rules.
10752 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10754 PR middle-end/24437
10755 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10756 with a call expr to ...
10757 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10759 2006-01-23 Richard Guenther <rguenther@suse.de>
10761 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10762 before make_edge with conditional EDGE_TRUE_VALUE.
10764 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10765 Jan Hubicka <jh@suse.cz>
10766 Richard Guenther <rguenther@suse.de>
10768 PR rtl-optimization/25654
10769 * cfgexpand.c (aggregate_contains_union_type): New function.
10770 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10771 for structure variables that contain a union type.
10773 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10775 * gengtype.c (new_structure): Return the structure.
10776 (create_option): Add an extra "next" argument.
10777 (create_field): New function.
10778 (adjust_field_rtx_def): Use create_option and create_field.
10779 Remove a now-unnecessary call to find_structure.
10780 (adjust_field_tree_def): Likewise.
10781 (note_yacc_type): Remove an unnecessary call to find_structure.
10782 * gengtype.h (new_structure): Return the structure.
10783 (create_option): Add an extra argument.
10784 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10785 (option): Adjust calls to create_option.
10787 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10789 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10791 2006-01-22 Paul Brook <paul@codesourcery.com>
10792 Peter Barada <peter@the-baradas.com>
10794 * config/m68k/m68k.md: Add Coldfire FPU support.
10795 Define FP mode macro and associated attributes.
10796 Use it for float mode patterns.
10797 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10798 (LIBCALL_VALUE): Use m68k_libcall_value.
10799 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10800 (m68k_function_value): Ditto.
10801 (emit_move_sequence): Ditto.
10802 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10803 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10804 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10805 (MULTILIB_EXCEPTIONS): Ditto.
10806 * config/m68k/m68k.opt: Add mcfv4e.
10807 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10808 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10809 (m68k_output_function_prologue): Save ColdFire FPU registers.
10810 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10811 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10812 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10813 ColdFire FPU registers.
10814 (m68k_libcall_value, m68k_function_value): New functions.
10815 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10816 (LIBCALL_VALUE): Use m68k_libcall_value.
10817 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10818 (MASK_COLDFIRE): Add MASK_CFV4E.
10819 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10820 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10821 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10822 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10823 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10824 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10825 * doc/invoke.tex: Document -mcfv4e on m68k.
10827 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10829 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10832 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10835 * c-opts.c (c_common_handle_option): Don't include
10836 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10837 * doc/invoke.texi (C++ Dialect Options): Document that
10838 -Wnon-virtual-dtor is no longer included in -Wall.
10840 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10842 * gcov.c (print_version), gcov-dump.c (print_version),
10843 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10846 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10848 * df-scan.c (problem_SCAN): Added NULL reset function.
10849 (df_scan_reset_blocks): Added code to call reset block function
10850 (df_bb_refs_delete) Fixed comment.
10851 (df_insn_refs_delete): Made tolerant of deleting non existent info
10852 for dataflow problems that need to be reset.
10853 * df-core.c (df_set_blocks): Ditto.
10854 * df.h (struct df_problem): Added reset_fun.
10855 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10856 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10857 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10858 functions to clear out all references to def-use or use-def chains.
10860 2006-01-21 Ben Elliston <bje@au.ibm.com>
10862 * varasm.c (assemble_real): Initialise data array.
10864 2006-01-20 Paul Brook <paul@codesourcery.com>
10866 Merge from csl-arm-branch.
10867 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10868 * config/arm/arm.md (movdi): Force operands[1] to a register
10869 if we have a non-register source.
10870 (*arm_movdi, *movdf_soft_insn): Require that one of the
10871 operands be a register.
10872 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10873 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10875 2006-01-20 DJ Delorie <dj@redhat.com>
10877 * varasm.c (initializer_constant_valid_p): Allow pointers
10878 initialized from integer constants of lesser precision.
10879 (output_constant): Allow non-int-sized pointer modes to be
10880 initialized from integer constants.
10882 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10885 * cppdefault.h (struct default_include): Add multilib flag.
10886 * cppdefault.c (cpp_include_defaults): Set it.
10887 * c.opt (-imultilib): New option.
10888 * c-opts.c (imultilib): New.
10889 (c_common_handle_option): Handle -imultilib.
10890 (c_common_post_options): Likewise.
10891 * c-incpath.c (add_standard_paths, register_include_chains):
10893 * c-incpath.h (register_include_chains): Add extra parameter.
10894 * gcc.c (do_spec_1): Generate -imultilib option.
10895 (The Specs Language): Update %I description.
10896 (process_command): Update copyright notice.
10897 * doc/cppopts.texi (-imultilib): Document.
10898 * doc/invoke.texi (-imultilib): Include in option summary.
10899 (%I): Update specs documentation.
10901 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10903 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10905 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10907 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10910 2006-01-20 Richard Guenther <rguenther@suse.de>
10911 Steven Bosscher <stevenb.gcc@gmail.com>
10913 PR rtl-optimization/24626
10914 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10915 EDGE_TRUE_VALUE if in RTL mode.
10918 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10919 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10921 2006-01-20 Dirk Mueller <dmueller@suse.com>
10924 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10925 instead of a special NOP marker.
10926 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10927 NOP marker handling.
10928 * c-common.h (empty_body_warning): Add forward declaration.
10929 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10930 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10932 2006-01-20 Paul Brook <paul@codesourcery.com>
10934 * Makefile.in (lang_checks): Keep going if mkdir fails.
10936 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10938 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10939 be able to clean out basic block when not necessary.
10940 (df_scan_free): Fixed to properly delete information if df is
10941 unused before calling df_finish.
10942 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10943 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10945 (df_bb_refs_delete): New function.
10946 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10947 * df-core.c (df_set_blocks): Added code to properly clean out
10948 unused blocks if they are not part of the blocks to consider.
10949 Added additional null check.
10950 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10951 be able to clean out basic block when not necessary
10952 * df.h (df_free_bb_function): Ditto.
10953 (df_bb_refs_delete): New function.
10954 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10955 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10956 basic block parameter to be able to clean out basic block when not
10958 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10959 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10960 Fixed to properly delete information if df is unused before
10963 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10965 PR rtl-optimization/25799
10966 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10967 Corrected confluence operator to remove bits from op2 before oring
10968 with op1 rather than removing bits from op1.
10969 (df_ru_transfer_function): Corrected test on wrong bitmap which
10970 caused infinite loop. Both of these problems were introduced in
10971 the dataflow rewrite.
10973 2006-01-19 DJ Delorie <dj@redhat.com>
10975 * reload1.c (find_reload_regs): Note the details of reload
10976 failures in the dump file.
10977 (spill_failure): Likewise.
10979 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10981 * loop-iv.c: Include df.h and hashtab.h.
10982 (enum iv_grd_result): New enum.
10983 (DF_REF_IV, DF_REF_IV_SET): New macros.
10984 (struct biv_entry): New.
10985 (df, bivs): New global variables.
10986 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10987 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10989 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10990 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10991 analyzed_for_bivness_p, record_biv): New functions.
10992 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10993 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10994 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10996 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10998 (iv_number_of_iterations): Use new interface to iv analysis.
10999 * loop-unroll.c: Do not include varray.h.
11000 (analyze_iv_to_split_insn): Use new interface to iv
11002 * loop-unswitch.c (may_unswitch_on): Ditto.
11003 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11005 (df_bb_modify): Realloc tables to the new index.
11006 (df_find_use): New function.
11007 * df.h (df_find_use): Declare.
11008 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11010 * cfgloop.h (struct rtx_iv): Remove analysed field.
11011 (iv_get_reaching_def): Removed.
11012 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11013 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11014 (loop-iv.o): Add df.h and hashtab.h dependency.
11015 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11017 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11020 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11022 (__floatundisf, __floatundidf): Likewise.
11023 * libgcc2.h (IS_IBM_EXTENDED): Define.
11025 2006-01-19 DJ Delorie <dj@redhat.com>
11027 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11029 2006-01-19 Paul Brook <paul@codesourcery.com>
11031 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11032 as nothrow when unwinding tables are disabled.
11034 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11037 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11038 of bit-field" when in system header.
11040 2006-01-19 DJ Delorie <dj@redhat.com>
11042 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11043 the 16 bit shift limit of the m16c.
11045 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11048 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11049 * config/i386/i386.c (output_set_got): Output the label if we have one
11050 for the TARGET_DEEP_BRANCH_PREDICTION case.
11052 2006-01-19 Jan Hubicka <jh@suse.cz>
11053 H.J. Lu <hongjiu.lu@intel.com>
11054 Evandro Menezes <evandro.menezes@amd.com>
11056 * invoke.texi (generic): Document
11058 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11059 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11060 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11061 (x86_use_incdec, x86_pad_returns): New variables
11062 (TARGET_CPU_DEFAULT_generic): New constant
11063 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11064 (enum processor_type): Add generic32 and generic64.
11065 * i386.md (cpu attribute): Add generic32/generic64
11066 (movhi splitter): Behave sanely when both partial_reg_dependency and
11067 partial_reg_stall are set.
11068 (K8 splitters): Enable for generic as well.
11069 * predicates.md (incdec_operand): Use TARGET_INCDEC
11070 (aligned_operand): Avoid memory mismatch stalls.
11071 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11072 * ppro.md: Enable for generic32
11073 * i386.c (generic64_cost, generic32_cost): New.
11074 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11075 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11076 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11077 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11078 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11079 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11080 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11081 x86_accumulate_outgoing_args, x86_prologue_using_move,
11082 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11083 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11084 Enable for generic.
11085 (x86_use_incdec, x86_pad_returns): New.
11086 (override_options): Add generic32 and generic64, translate "generic"
11087 to generic32/generic64 and "i686" to "generic32", refuse
11088 "generic32"/"generic64" as arch target.
11089 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11090 (ix86_reorg): Honor PAD_RETURNS.
11092 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11094 * tree-pretty-print.c (dump_generic_node): Handle
11095 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11096 * cgraph.c (cgraph_expand_queue): Rename from
11097 cgraph_analyze_queue. Update all users.
11098 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11099 cgraph_expand_queue.
11100 (cgraph_expand_all_functions): Likewise.
11101 (cgraph_finalize_pending_functions): Remove. Update callers.
11103 * tree.h (OMP_DIRECTIVE_P): Define.
11104 (OMP_PARALLEL_FN): Define.
11105 (OMP_PARALLEL_DATA_ARG): Define.
11106 (OMP_SECTIONS_SECTIONS): Define.
11107 * tree-pass.h (pass_expand_omp): Declare.
11108 * omp-low.c (struct omp_region): Declare.
11109 (struct omp_context): Remove fields 'parallel_type',
11110 'parallel_start_ix' and 'parallel_start_additional_args'.
11112 (struct omp_for_data): Rename from struct expand_omp_for_data.
11113 (omp_regions): New static variable.
11114 (root_omp_region): New static variable.
11115 (find_omp_clause): Make static.
11116 (is_in_combined_parallel_ctx): Remove.
11117 (is_combined_parallel): New.
11118 (extract_omp_for_data): Move earlier in the file.
11119 (workshare_safe_to_combine_p): New.
11120 (get_ws_args_for): New.
11121 (determine_parallel_type): Move earlier in the file.
11122 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11124 (omp_copy_decl): Likewise.
11125 (create_omp_child_function): Likewise.
11126 (lookup_omp_region): New.
11127 (dump_omp_region): New.
11128 (debug_omp_region): New.
11129 (debug_all_omp_regions): New.
11130 (new_omp_region): New.
11131 (scan_omp_parallel): If parallel_nesting_level > 1, the
11132 directive is nested within another parallel directive.
11133 Set OMP_PARALLEL_FN.
11134 (scan_omp_for): Do not try to handle combined parallel+for
11136 Remove FIXME comment.
11137 (scan_omp_nested): Remove.
11138 (scan_omp_1): Do not call scan_omp_nested when
11139 parallel_nesting_level is > 1.
11140 Do not change the DECL_CONTEXT of local variables found.
11141 (lookup_decl_in_outer_ctx): New.
11142 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11143 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11144 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11145 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11146 If CTX is nested, lookup VAR in the outer context when
11147 building copy assignment.
11148 (lower_send_clauses): Rename from expand_send_clauses.
11149 If CTX is nested, lookup VAR in the outer context when
11150 building copy assignments.
11151 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11152 If CTX is nested, lookup VAR in the outer context when
11153 building copy assignments.
11154 (expand_parallel_call): Rename from build_parallel_call.
11155 Handle combined parallel+workshare cases.
11156 Re-implement to emit code into the CFG.
11158 (expand_omp_parallel): Re-implement to emit code into the CFG.
11159 Call move_sese_region_to_fn to outline the sub-graph
11160 containing the parallel region.
11161 (expand_omp_for_1): Remove.
11162 (expand_omp_for_generic): Re-implement to emit code into the
11164 (expand_omp_for_static_nochunk): Likewise.
11165 (expand_omp_for_static_chunk): Likewise.
11166 (expand_omp_for): Likewise.
11167 (expand_omp_sections): Likewise.
11168 (remove_exit_barriers): New.
11169 (expand_omp_synch): New.
11171 (build_omp_regions_1): New.
11172 (build_omp_regions): New.
11173 (execute_expand_omp): New.
11174 (gate_expand_omp): New.
11175 (pass_expand_omp): Define.
11176 (lower_omp_sections): Rename from expand_omp_sections.
11177 Set OMP_SECTIONS_SECTIONS.
11178 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11179 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11180 (lower_omp_single): Rename from expand_omp_simple.
11181 (lower_omp_master): Rename from expand_omp_master.
11182 (lower_omp_ordered): Rename from expand_omp_ordered.
11183 (lower_omp_critical): Rename from expand_omp_critical.
11184 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11185 (lower_omp_for): Re-implement.
11186 (lower_omp_parallel): Re-implement.
11187 (lower_regimplify): Rename from expand_regimplify.
11188 (lower_omp_1): Rename from expand_omp_1.
11189 If there are syntax errors in the program, replace every
11190 OpenMP directive with NOP.
11191 Call lower_omp_* instead of expand_omp_*.
11192 (lower_omp): Rename from expand_omp.
11194 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11195 * tree-gimple.h (enum omp_parallel_type): Remove.
11196 (gimple_boolify): Declare extern.
11197 (find_omp_clause, determine_parallel_type): Remove.
11199 * gimple-low.c (lower_omp_directive): New.
11200 (lower_stmt): Call it.
11201 (record_vars_into): Move from ...
11202 (record_vars): ... here.
11203 Call record_vars_into with current_function_decl.
11205 * gimplify.c (struct gimplify_ctx): Remove fields
11206 combined_pre_p and combined_ctxp. Update users.
11207 (get_formal_tmp_var): Add documentation.
11208 (gimple_boolify): Make extern.
11209 (gimplify_expr_in_ctx): Remove. Update callers.
11210 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11211 will always be a BIND_EXPR.
11212 (gimplify_expr): Handle OMP_RETURN_EXPR.
11213 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11214 (OMP_PARALLEL): Add 3 operands.
11215 (OMP_SECTIONS): Add 1 operand.
11216 (OMP_RETURN_EXPR): Define.
11218 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11219 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11220 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11221 creating a circular free list.
11222 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11224 * tree-flow.h (move_sese_region_to_fn): Declare.
11225 (record_vars_into): Declare.
11226 * tree-cfg.c (make_omp_sections_edges): New.
11227 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11228 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11229 OMP_SECTIONS and OMP_SECTION.
11230 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11231 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11232 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11233 (gather_blocks_in_sese_region): New.
11234 (struct move_stmt_d): Declare.
11235 (move_stmt_r): New.
11236 (move_block_to_fn): New.
11237 (move_sese_region_to_fn): New.
11239 * passes.c (init_optimization_passes): Schedule
11240 pass_expand_omp after pass_init_datastructures.
11242 * tree-ssa-operands.c (get_expr_operands): Handle
11243 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11244 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11246 2006-01-19 Jeff Law <law@redhat.com>
11248 * tree-vrp.c (extract_range_from_assert): Refine the result range
11249 if the variable referenced by the ASSERT_EXPR has a range and
11250 either the tentative result range or the previous range is a
11253 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11255 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11257 2006-01-19 Jan Hubicka <jh@suse.cz>
11259 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11261 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11263 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11264 (expand_compound_operation, expand_field_assignment): Fail if the
11265 bit lengths of an extract operation are out of range.
11266 (make_extraction): Compute wanted_inner_mode based on the position
11267 and length of the extraction. Make it extraction_mode for non-constant
11268 positions, and do not modify offset in that case. When generating a
11269 new MEM, use a mode that can hold the extraction while keeping correct
11270 alignment. Remove code that supported MEMs wrapped by USEs.
11271 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11273 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11275 * config/s390/s390.md ("Y", "y"): New mode attribute.
11276 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11277 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11278 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11279 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11280 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11281 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11282 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11283 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11284 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11285 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11286 "addsi3", "subsi3"): Insn patterns removed.
11287 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11288 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11289 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11290 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11291 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11292 "*sub<mode>3_cconly2"): New insn patterns.
11293 ("addsi3", "subsi3"): New expanders.
11295 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11297 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11298 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11299 existing STMT_VINFO_VECTYPE if available.
11300 (vect_mark_relevant): Add special handling for stmts that are
11301 marked as STMT_VINFO_IN_PATTERN_P.
11302 (vect_analyze_loop): Call vect_pattern_recog.
11303 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11304 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11306 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11307 (vect_recog_func_ptr): New function-pointer type.
11308 * tree-vect-patterns.c: New file.
11309 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11310 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11311 (vect_pattern_recog_1): New functions.
11312 (vect_pattern_recog_funcs): New array of function pointers.
11314 * tree-vectorizer.h (ternary_op): New enum value.
11315 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11316 declaration. Revised documentation. Removed redundant dump prints.
11317 Removed redundant argument. Added support for reduction patterns.
11318 (vectorizable_reduction): Added support for reduction patterns.
11319 (vect_transform_stmt): Added support for patterns.
11321 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11322 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11323 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11324 (expand_widen_pattern_expr): New function.
11325 (init_optabs): Initialize new optabs udot_prod_optab,
11327 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11328 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11329 (expand_widen_pattern_expr): New function declaration.
11330 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11332 * tree-inline.c (estimate_num_insns_1): Added cases for new
11333 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11334 * tree-pretty-print.c (dump_generic_node): Likewise.
11335 (op_prio): Likewise.
11336 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11337 * tree-ssa-operands.c (get_expr_operands): Added case for
11339 * tree-vect-patterns.c (widened_name_p): New function.
11340 (vect_recog_dot_prod_pattern): Added function implementation.
11341 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11342 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11343 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11344 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11346 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11347 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11348 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11349 (init_optabs): Initialize new optabs widen_ssum_optab,
11351 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11352 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11353 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11354 use instead of type of def.
11355 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11356 function implementation.
11357 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11358 widen_ssumv8hi): New.
11360 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11363 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11366 * c-decl.c (add_flexible_array_elts_to_size): New function.
11367 (finish_decl): Use it.
11369 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11371 * diagnostic.h: Include options.h.
11372 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11373 dependancies for diagnostic.h.
11374 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11376 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11378 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11379 (ssa_ro_call_cache_valid): Ditto.
11380 * tree-ssa-alias.c (sort_tags_by_id): New function.
11381 (init_transitive_clobber_worklist): Ditto.
11382 (add_to_worklist): Ditto.
11383 (mark_aliases_call_clobbered): Ditto.
11384 (compute_tag_properties): Ditto.
11385 (set_initial_properties): Ditto.
11386 (compute_call_clobbered): Ditto.
11387 (compute_may_aliases): Call compute_call_clobbered and grouping.
11388 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11389 (compute_flow_insensitive_aliasing): Grouping now happens in our
11391 (setup_pointers_and_addressables): Remove clobbering related code.
11392 (add_may_alias): Ditto.
11393 (replace_may_alias): Ditto.
11394 (get_nmt_for): Ditto.
11395 (create_global_var):
11396 (is_escape_site): Return an escape_type enumeration.
11397 * tree-flow-inline.h (is_call_clobbered): Global var does not
11398 imply call clobbered.
11399 (mark_call_clobbered): Take a reason for marking this. Remove
11400 marking of globalness, and cache invalidation.
11401 (clear_call_clobbered): Remove cache invalidation code.
11402 * tree-dfa.c (dump_variable): If details is on, dump the reason
11404 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11406 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11407 (struct var_ann_d): Ditto.
11408 (enum escape_type): New.
11409 (mark_call_clobbered): Adjust prototype.
11410 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11411 are never call clobbered.
11412 Record reasons for escaping.
11413 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11414 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11415 (ssa_ro_call_cache_valid): Ditto.
11416 (clobbered_v_may_defs): Ditto.
11417 (clobbered_vuses): Ditto.
11418 (ro_call_vuses): Ditto.
11419 (clobber_stats): New.
11420 (init_ssa_operands): Zero out clobber stats.
11421 (fini_ssa_operands): Print out clobber stats.
11422 (get_call_expr_operands): Pass callee fndecl to
11423 add_call_read_ops).
11424 (add_call_clobber_ops): Remove use of cache.
11425 Add use of PURE_CONST information.
11426 (add_call_read_ops): Remove use of cache.
11427 Add use of static not_read information.
11429 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11431 Introduce TLS descriptors for i386 and x86_64.
11432 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11433 (TARGET_ANY_GNU_TLS): New macro.
11434 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11435 (struct machine_function): Add tls_descriptor_call_expanded_p.
11436 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11437 (ix86_current_function_calls_tls_descriptor): Likewise.
11438 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11439 (override_options): Introduce gnu2 tls dialect.
11440 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11442 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11444 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11445 (ix86_init_machine_status): Initialize new field.
11446 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11447 (ix86_tls_module_base): New.
11448 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11449 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11450 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11451 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11452 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11453 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11454 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11455 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11456 * config/i386/predicates.md (tls_modbase_operand): New.
11457 (tp_or_register_operand): New.
11459 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11461 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11462 (look_for_address_of): Ditto.
11463 (ipa_init): Walk the function decls.
11464 (static_execute): Don't set readonly on FUNCTION_DECL's.
11466 2006-01-18 Roger Sayle <roger@eyesopen.com>
11468 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11469 for shifts where the source and destination registers are different.
11471 2006-01-18 Paul Brook <paul@codesourcery.com>
11473 Merge from csl-arm-branch.
11474 2005-03-14 Julian Brown <julian@codesourcery.com>
11475 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11476 (aeabi_llsl): Likewise.
11477 (ashrdi3): Likewise.
11478 (aeabi_lasr): Likewise.
11479 (lshrdi3): Likewise.
11480 (aeabi_llsr): Likewise.
11481 2005-03-10 Julian Brown <julian@codesourcery.com>
11482 * config.gcc: Disable shared libgcc for SymbianOS.
11483 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11485 2006-01-18 DJ Delorie <dj@redhat.com>
11487 * c-pragma.c (handle_pragma_diagnostic): New.
11488 (init_pragma): Register it.
11489 * doc/extend.texi: Document it.
11491 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11492 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11493 (diagnostic_context): Add classify_diagnostic[].
11494 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11495 as errors if they're overridden to DK_WARNING.
11496 (diagnostic_initialize): Initialize classify_diagnostic[].
11497 (diagnostic_set_kind_override): New.
11498 (diagnostic_report_diagnostic): Check for kind changes.
11499 * opts.c (common_handle_option): Take lang_mask. Update callers.
11500 Handle OPT_Werror_.
11501 * common.opt (Werror=): New.
11502 * doc/invoke.texi: Document -Werror=*
11504 2006-01-18 Jeff Law <law@redhat.com>
11506 * tree-vrp.c (test_for_singularity): Correct test for new
11507 min limit. Use operand_equal_p rather than pointer equality
11508 for testing if new min/max values are equal.
11510 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11511 using range information until after propagation and folding.
11513 2006-01-18 Richard Henderson <rth@redhat.com>
11514 Aldy Hernandez <aldyh@redhat.com>
11515 Jakub Jelinek <jakub@redhat.com>
11516 Diego Novillo <dnovillo@redhat.com>
11518 * omp-low.c: New file.
11519 * c-omp.c: New file.
11521 2006-01-18 Richard Henderson <rth@redhat.com>
11522 Jakub Jelinek <jakub@redhat.com>
11523 Diego Novillo <dnovillo@redhat.com>
11525 * doc/invoke.texi: Document -fopenmp.
11526 * tree-dump.h (debug_function): Declare.
11527 * hooks.c (hook_bool_tree_bool_false): New function.
11528 (hook_tree_tree_null): Remove.
11529 (hook_tree_tree_tree_null): New.
11530 * hooks.h: Update to match.
11531 * tree-pretty-print.c (debug_tree_chain): New.
11532 (print_generic_expr): Handle TDF_CHAIN.
11533 (dump_generic_node): Handle BLOCK.
11534 Do not abort with incomplete SWITCH_EXPRs.
11535 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11536 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11537 print space after directive name.
11538 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11539 Handle OMP_MASTER and OMP_ORDERED.
11540 Handle printing of OMP_BODY just in one place, goto
11541 dump_omp_body in the rest of OMP_* nodes that have
11543 Don't handle clause nodes here. Update omp statements to
11544 use dump_omp_clauses.
11545 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11546 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11547 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11548 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11549 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11550 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11551 Adjust output for GOMP_PARALLEL.
11552 (dump_omp_clauses): New.
11553 (print_declaration): Dump DECL_VALUE_EXPR.
11554 (op_symbol_1): Split out of op_symbol.
11555 (dumping_stmts): Remove. Update all users.
11556 * cgraph.c (cgraph_analyze_queue): New.
11557 (cgraph_add_new_function): New.
11558 * cgraph.h (cgraph_analyze_queue): Declare.
11559 (cgraph_add_new_function): Declare.
11560 (cgraph_lower_function): Remove.
11561 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11562 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11563 and TYPE_P nodes in its default clause.
11564 (empty_body_p): New.
11565 (tree_range_check_failed): New.
11566 (build5_stat): New.
11567 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11568 OMP_CLAUSE_REDUCTION_MERGE,
11569 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11570 OMP_CLAUSE_PRIVATE_DEBUG,
11571 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11572 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11573 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11574 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11575 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11576 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11577 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11578 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11579 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11580 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11581 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11582 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11583 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11584 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11585 (TREE_RANGE_CHECK): New.
11586 (empty_body_p): Declare.
11587 (enum omp_clause_default_kind): New.
11588 (build_string_literal): Declare.
11589 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11590 (build5_stat, build5): Declare.
11591 * tree-pass.h (TDF_CHAIN): Define.
11592 * tree-pass.h (PROP_gimple_lomp): Define.
11593 (pass_lower_omp): Declare.
11594 * diagnostic.h (debug_tree_chain): Declare.
11595 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11597 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11598 * builtins.c (build_string_literal): Make extern.
11599 * gcc.c (include_spec_function): New.
11600 (static_spec_functions): Add it.
11601 (main): Move load of libgomp.spec ...
11602 (LINK_COMMAND_SPEC): ... here.
11603 (link_gomp_spec): New.
11604 (static_specs): Include it.
11605 (LINK_COMMAND_SPEC): Add link_gomp.
11606 (GOMP_SELF_SPECS): New.
11607 (driver_self_specs): Include it.
11608 (switch_matches): Don't mark inline.
11609 (main): Load libgomp.spec.
11610 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11611 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11612 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11613 * tree-gimple.h (enum omp_parallel): Declare.
11614 (determine_parallel_type): Declare.
11615 (omp_firstprivatize_variable): Declare.
11616 (omp_reduction_init): Declare.
11617 (diagnose_omp_structured_block_errors): Declare.
11618 (struct walk_stmt_info): Add want_return_expr.
11619 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11620 (find_omp_clause): Declare.
11621 (insert_field_into_struct): Declare.
11622 (struct walk_stmt_info): Move from tree-nested.c
11623 (walk_stmts): Declare.
11624 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11626 * cgraphunit.c (cgraph_lower_function): Make static.
11627 (cgraph_finalize_pending_functions): New.
11628 (cgraph_finalize_function): Call it.
11629 (cgraph_finalize_compilation_unit): Likewise.
11630 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11631 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11632 (BT_FN_UINT_UINT): New.
11633 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11634 DEF_FUNCTION_TYPE_VAR_4): Document.
11635 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11636 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11637 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11638 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11639 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11640 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11641 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11642 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11643 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11644 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11645 into separate files.
11646 (DEF_GOMP_BUILTIN): New.
11647 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11648 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11649 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11650 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11651 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11652 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11653 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11654 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11655 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11656 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11657 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11658 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11659 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11660 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11661 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11662 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11663 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11664 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11665 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11666 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11667 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11668 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11669 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11670 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11671 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11672 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11673 * sync-builtins.def: New file, moved from builtins.def.
11674 * omp-builtins.def: New file, moved from builtins.def.
11675 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11676 * gimple-low.c (lower_function_body): Clear data.
11677 (lower_stmt): Do not handle COMPOUND_EXPR.
11678 Remove call to print_node_brief.
11679 * c-tree.h (c_finish_omp_clauses): New prototype.
11680 (C_DECL_THREADPRIVATE_P): Define.
11681 (lookup_name_no_remap, c_omp_remap_private): Remove
11682 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11683 (check_for_loop_decls): Update decl.
11684 (lookup_name_no_remap, c_omp_remap_private): Declare.
11685 (build_indirect_ref, build_modify_expr, pushdecl,
11686 pushdecl_top_level): Move to c-common.h.
11687 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11688 before the switch, but just in the 2 places that need it.
11689 * c-decl.c (diagnose_mismatched_decls): Do not check for
11690 mismatched thread-local attributes when OLDDECL is marked
11691 threadprivate and NEWDECL has no thread-local attributes.
11692 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11693 (c_gimple_diagnostics_recursively): Rename from
11694 c_warn_unused_result_recursively. Invoke
11695 diagnose_omp_structured_block_errors.
11696 (check_for_loop_decls): Return a singular decl found.
11697 * langhooks.c (lhd_omp_predetermined_sharing): Return
11698 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11699 (lhd_omp_firstprivatize_type_sizes): New.
11700 (lhd_omp_assignment): New.
11701 (lhd_omp_predetermined_sharing): New.
11702 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11703 (struct lang_hooks_for_types): Add
11704 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11705 omp_predetermined_sharing, omp_disregard_value_expr,
11706 omp_private_debug_clause, omp_clause_default_ctor,
11707 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11708 (c_finish_omp_clauses): New.
11709 (c_finish_bc_stmt): Diagnose break within omp for.
11710 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11711 (build_unary_op): Return error_mark after reporting
11713 (build_modify_expr): Likewise.
11714 * gimplify.c: Include optabs.h and pointer-set.h.
11715 (enum gimplify_omp_var_data): Declare.
11716 (struct gimplify_omp_ctx): Declare.
11717 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11719 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11720 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11721 (splay_tree_compare_decl_uid): New.
11722 (new_omp_context): New.
11723 (delete_omp_context): New.
11724 (gimple_add_tmp_var): Call omp_add_variable.
11725 (gimplify_bind_expr): Likewise.
11726 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11727 true, disregard DECL_VALUE_EXPR on the decl if any.
11728 (gimplify_expr_in_ctx): New.
11729 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11730 omp_add_variable, omp_notice_variable, omp_is_private
11731 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11732 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11733 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11734 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11735 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11736 gimplify_omp_atomic): New.
11737 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11738 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11739 OMP_CRITICAL and OMP_ATOMIC.
11740 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11741 * c-pragma.h (enum pragma_kind): Add
11742 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11743 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11744 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11745 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11746 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11747 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11748 PRAGMA_OMP_THREADPRIVATE.
11749 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11750 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11751 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11752 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11753 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11754 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11755 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11756 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11757 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11758 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11759 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11760 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11761 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11763 (struct nesting_info): Add field_map,
11764 suppress_expansion, debug_var_chain.
11765 (create_nesting_tree): Initialize them.
11766 (lookup_field_for_decl): Use field_map.
11767 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11768 (convert_local_omp_clauses): New.
11769 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11770 (walk_body): Split out of walk_function.
11771 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11772 (convert_nonlocal_reference): Handle omp statements.
11773 (convert_local_reference): Likewise.
11774 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11775 (unnest_nesting_tree): New.
11776 (lower_nested_functions): Call it.
11777 (insert_field_into_struct): Make extern.
11778 (struct walk_stmt_info): Move to tree-gimple.h.
11779 (walk_stmts): Make extern.
11780 * omp-builtins.def: New file.
11781 * tree-iterator.c (expr_only): Clarify comment.
11782 * c-common.h (pushdecl_top_level, pushdecl,
11783 build_modify_expr, build_indirect_ref,
11784 c_finish_omp_master, c_finish_omp_critical,
11785 c_finish_omp_ordered, c_finish_omp_barrier,
11786 c_finish_omp_atomic, c_finish_omp_flush,
11787 c_finish_omp_for, c_split_parallel_clauses,
11788 omp_clause_default_kind, c_omp_sharing_predetermined,
11789 c_omp_remap_decl): Declare.
11790 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11791 (OBJS-common): Add omp-low.o.
11792 (c-omp.o, omp-low.o): Add.
11793 (gimplify.o): Add dependency on $(OPTABS_H).
11794 (GTFILES): Add omp-low.c.
11795 (gt-stringpool.h): Add.
11796 * tree-cfg.c (set_bb_for_stmt): Do not update the
11797 block-to-labels map if we are currently expanding to RTL.
11798 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11800 Handle IDENTIFIER_NODE.
11801 (tree_verify_flow_info): Do not ICE when emitting error
11802 messages about invalid labels.
11803 (dump_function_to_file): Reset CFUN before emitting the body
11805 (debug_function): New.
11806 * passes.c (init_optimization_passes): Schedule
11808 * langhooks-def.h (lhd_omp_predetermined_sharing,
11809 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11811 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11812 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11813 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11814 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11815 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11816 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11817 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11818 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11819 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11820 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11821 (LANG_HOOK_DECLS): Use them.
11823 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11824 Richard Henderson <rth@redhat.com>
11825 Jakub Jelinek <jakub@redhat.com>
11826 Diego Novillo <dnovillo@redhat.com>
11828 * c-parser.c (pragma_omp_clause): Define.
11829 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11830 (c_parser_compound_statement): Likewise.
11831 (c_parser_statement): Likewise.
11832 (c_parser_pragma): Handle omp pragmas.
11833 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11834 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11835 (c_parser_omp_clause_name, check_no_duplicate_clause,
11836 c_parser_omp_variable_list,
11837 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11838 c_parser_omp_clause_copyprivate,
11839 c_parser_omp_clause_default,
11840 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11841 c_parser_omp_clause_lastprivate,
11842 c_parser_omp_clause_nowait,
11843 c_parser_omp_clause_num_threads,
11844 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11845 c_parser_omp_clause_reduction,
11846 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11847 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11848 c_parser_omp_atomic, c_parser_omp_barrier,
11849 c_parser_omp_critical, c_parser_omp_flush,
11850 c_parser_omp_for_loop, c_parser_omp_for,
11851 c_parser_omp_master, c_parser_omp_ordered,
11852 c_parser_omp_sections_scope, c_parser_omp_sections,
11853 c_parser_omp_parallel, c_parser_omp_single,
11854 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11855 * c-pragma.c (init_pragma): Do omp pragma registration here.
11856 * c.opt (fopenmp): New flag.
11858 2006-01-18 Eric Christopher <echristo@apple.com>
11860 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11861 * config/darwin.h (GOMP_SELF_SPECS): Define.
11863 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11865 * rtl.h: Remove the prototype for reg_alloc.
11867 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11870 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11871 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11872 sjlj and dwarf2 exception handling.
11873 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11874 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11875 * pa/pa.c (function_value): Treat complex and vector types as
11877 (function_arg): Likewise. Only pass scalar floats in the floating
11878 point argument registers.
11879 * pa/t-slibgcc-dwarf-ver: New file.
11880 * pa/t-slibgcc-sjlj-ver: New file.
11881 * pa/t-slibgcc-elf-ver: Delete file.
11883 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11885 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11886 unlikely_test_section_p test.
11888 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11890 * mode-switching.c (optimize_mode_switching): Make it static.
11891 * basic-block.h: Remove the prototype for
11892 optimize_mode_switching.
11894 * modulo-sched.c (sms_schedule): Make it static.
11895 * rtl.h: Remove the prototype for sms_schedule.
11897 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11898 * rtl.h: Remove the prototype for gcse_after_reload_main.
11900 * reg-stack.c (reg_to_stack): Make it static.
11901 * rtl.h: Remove the prototype for reg_to_stack.
11903 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11905 * rtl.h: Remove the prototypes for regrename_optimize and
11906 copyprop_hardreg_forward.
11908 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11910 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11911 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11912 Test against the appropriate null constant for the mode.
11913 If 'fixup_overlap' is true, swap the operands if they overlap.
11914 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11915 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11916 alpha_split_tmode_pair and adjust for above change.
11917 * config/alpha/alpha.md (movtf_internal): Adjust call to
11918 alpha_split_tfmode_pair and rely on it to swap the operands.
11919 (movti_internal): New insn and post-reload splitter.
11920 (movti): New expander.
11922 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11924 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11927 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11929 * rtlanal.c (global_reg_mentioned_p_1,
11930 global_reg_mentioned_p): Remove.
11931 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11933 * flow.c (initialize_uninitialized_subregs): Make it static.
11934 * rtl.h: Remove the prototype for
11935 initialize_uninitialized_subregs.
11937 * function.c (instantiate_virtual_regs): Make it static.
11938 * function.h: Remove the prototype for
11939 instantiate_virtual_regs.
11941 * regmove.c (regmove_optimize, combine_stack_adjustments):
11943 * rtl.h: Remove the prototypes for regmove_optimize and
11944 combine_stack_adjustments.
11946 2006-01-17 Roger Sayle <roger@eyesopen.com>
11948 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11949 (size_cost): Encode costs in bytes so that a reg-reg addition is
11950 equivalent to COSTS_N_INSNS(1).
11951 (override_options): Use the size_cost.branch_cost as the default
11952 ix86_branch_cost when optimizing for size.
11954 2006-01-18 Ben Elliston <bje@au.ibm.com>
11956 * Makefile.in (D32PBIT_FUNCS): New.
11957 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11958 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11959 D64PBIT_FUNCS and D128PBIT_FUNCS.
11960 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11961 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11963 (decnumber_dep): Define.
11964 * doc/libgcc.texi (Decimal float library routines): New node.
11965 * config/dfp-bit.h, config/dfp-bit.c: New files.
11967 2006-01-18 Ben Elliston <bje@au.ibm.com>
11969 * expr.c (emit_move_change_mode): Always adjust addresses, not
11970 just during reload. Copy replacements only during reload.
11971 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11972 emit_move_via_integer.
11974 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11976 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11977 instead of $(srcdir) and ${srcdir}.
11979 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11982 PR middle-end/11135
11983 * arm.h (struct machine_function): Add pic_reg.
11984 * arm.c (arm_pic_register): Make unsigned.
11985 (arm_override_options): Only set arm_pic_register if
11986 TARGET_SINGLE_PIC_BASE.
11987 (use_return_insn): Only test for a pic register if it is fixed.
11988 (arm_compute_save_reg0_reg12_mask): Likewise.
11989 (thumb_compute_save_reg_mask): Likewise.
11990 (legitimate_pic_operand): Factor out some known invariants.
11991 (legitimize_pic_address): If we don't have a fixed pic register,
11992 then set up a pseudo in the function entry sequence. Handle the
11993 pic base being in a pseudo.
11994 (arm_load_pic_register): Handle the pic register being in a pseudo.
11995 (arm_expand_prologue): Only set up the pic register if it is fixed.
11996 (thumb_expand_prologue): Likewise.
11997 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11998 (pic_load_addr_based_insn): Likewise.
11999 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12002 2006-01-18 Ben Elliston <bje@au.ibm.com>
12004 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12005 decimal float modes for all floating point registers.
12007 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12008 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12010 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12013 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12014 even when the pointer is not NULL.
12016 2006-01-16 Ian Lance Taylor <ian@airs.com>
12018 * common.opt (ftoplevel-reorder): New option.
12019 * cgraph.c (cgraph_asm_nodes): New global variable.
12020 (cgraph_asm_last_node): New static variable.
12021 (cgraph_order): New global variable.
12022 (cgraph_create_node): Set new order field.
12023 (cgraph_varpool_node): Likewise.
12024 (decide_is_variable_needed): Return true if not
12025 flag_toplevel_reorder.
12026 (cgraph_add_asm_node): New function.
12027 * cgraph.h (struct cgraph_node): Add order field.
12028 (struct cgraph_varpool_node): Add order field.
12029 (struct cgraph_asm_node): Define.
12030 (cgraph_asm_nodes, cgraph_order): Declare.
12031 (cgraph_add_asm_node): Declare.
12032 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12034 (cgraph_varpool_assemble_pending_decls): Call it.
12035 (cgraph_output_pending_asms): New static function.
12036 (cgraph_finalize_compilation_unit): Call it.
12037 (struct cgraph_order_sort): Define.
12038 (cgraph_output_in_order): New static function.
12039 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12040 !flag_toplevel_reorder case.
12041 * c-parser.c: Include "cgraph.h".
12042 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12044 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12045 than -fno-unit-at-a-time.
12046 * doc/invoke.texi (Option Summary): Mention
12047 -fno-toplevel-reorder.
12048 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12049 -funit-at-a-time documentation.
12051 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12052 Kazu Hirata <kazu@codesourcery.com>
12054 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12056 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12058 * Makefile.in (FUNCTION_H): New. Use it instead of
12059 function.h throughout the file.
12060 * function.h: Include tree.h.
12062 2006-01-17 Ben Elliston <bje@au.ibm.com>
12064 * recog.c: Separate some functions with whitespace.
12066 2006-01-16 Richard Henderson <rth@redhat.com>
12068 Merge from gomp branch:
12069 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12070 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12071 and rename from struct inline_data. Rename callee* to dst*;
12072 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12073 transform_new_cfg, transform_return_to_modify, and
12074 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12076 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12077 (copy_decl_for_dup): Remove.
12078 * tree-inline.c (struct inline_data): Move to header.
12079 (insert_decl_map): Export.
12080 (remap_decl): Update for member name changes. Use copy_decl hook.
12081 Allow for replacement to be a non-decl. Remove dead code.
12082 (remap_type_1): Check for existing mapping.
12083 (remap_type): Export.
12084 (remap_decls): Update for member name changes.
12085 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12086 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12087 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12088 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12089 (tree_function_versioning, build_duplicate_type): Likewise.
12090 (copy_body_r): Likewise. Export.
12091 (copy_decl_for_dup): Split into ...
12092 (copy_decl_for_dup_finish, copy_decl_to_var,
12093 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12094 (replace_ref_tree, inlining_p): Remove.
12096 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12098 * ifcvt.c (if_convert): Make it static.
12099 * rtl.h: Remove the prototype for if_convert.
12101 * local-alloc.c (local_alloc): Make it static.
12102 * rtl.h: Remove the prototype for local_alloc.
12104 * loop.c (loop_optimize): Make it static.
12105 * cfgloop.h: Remove the prototype for loop_optimize.
12108 2006-01-16 DJ Delorie <dj@redhat.com>
12110 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12113 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12115 * pa.md: Disparage copies between general and floating-point registers
12116 in 32-bit move patterns.
12118 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12121 * Makefile.in (check-%): Depend on site.exp instead of
12122 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12125 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12127 * global.c (global_alloc): Make it static.
12128 * rtl.h: Remove the prototype for global_alloc.
12130 2006-01-16 Richard Guenther <rguenther@suse.de>
12132 * tree-ssa-alias.c (struct used_part): Add write_only field.
12133 (get_or_create_used_part_for): Initialize it to true.
12134 (create_overlap_variables_for): Don't create structure variables
12135 for structures that only are written to.
12136 (find_used_portions): Handle MODIFY_EXPR to track whether a
12137 structure is only written to.
12139 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12141 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12143 * basic-block.h: Remove the prototype for
12144 partition_hot_cold_basic_blocks.
12146 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12148 * cppspec.c (lang_specific_spec_functions): Remove.
12149 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12150 * gcc.h (lang_specific_spec_functions): Remove.
12151 * gccspec.c (lang_specific_spec_functions): Remove.
12153 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12155 * combine.c (record_value_for_reg): Invalidate registers
12157 (record_dead_and_set_regs_1): Likewise, by passing them to
12158 record_value_for_reg.
12159 (record_dead_and_set_regs): Invalidate stores made by a
12160 call. We do not combine across a call, but we still
12161 relied on equivalences.
12163 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12165 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12166 vrp_int_const_binop returning non-constant nodes.
12168 2006-01-16 Paul Brook <paul@codesourcery.com>
12170 * config/m68k/m68k.c (output_move_const_into_data_reg):
12171 Output correct mnemonic for mvz and mvs.
12173 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12175 * rtl-factoring.c: Add sequence abstraction algorithm.
12176 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12177 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12179 (block_has_preserve_label): New function.
12180 * common.opt: Register new pass.
12181 * Makefile.in: Ditto.
12183 * timevar.def: Ditto.
12184 * tree-pass.h: Ditto.
12185 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12186 * rtl.h (make_jump_insn_raw): Add forward decl.
12187 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12189 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12190 Roger Sayle <roger@eyesopen.com>
12192 * fold-const.c (fold_minmax): New static function.
12193 (fold_binary) <MIN_EXPR>: Call it.
12194 <MAX_EXPR>: Likewise.
12195 * stor-layout.c (place_field): Use DECL_SIZE consistently
12196 in the computation of the new record size.
12198 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12200 * cse.c (cse_condition_code_reg): Make it static.
12201 * rtl.h: Remove the prototype for cse_condition_code_reg.
12203 * combine.c (combine_instructions): Make it static.
12204 * rtl.h: Remove the prototype for combine_instructions.
12206 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12209 * tree.c (get_file_function_name_long): Concatenate the first global
12210 object name with a string derived from the input filename of the object
12213 2006-01-16 Ben Elliston <bje@au.ibm.com>
12215 * config/i386/winnt-stubs.c: Update FSF address.
12216 * config/xtensa/ieee754-df.S: Ditto.
12217 * config/xtensa/ieee754-sf.S: Ditto.
12219 2006-01-14 Ian Lance Taylor <ian@airs.com>
12221 * ifcvt.c (noce_init_if_info): New static function, broken out of
12222 noce_process_if_block.
12223 (noce_process_if_block): Call noce_init_if_info.
12224 (check_cond_move_block): New static function.
12225 (cond_move_process_if_block): New static function.
12226 (process_if_block): Call cond_move_process_if_block.
12228 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12230 * cselib.c (hash_table): Rename to cselib_hash_table.
12231 (cselib_clear_table, discard_useless_values,
12232 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12233 cselib_init, cselib_finish): Adjust uses of hash_table.
12235 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12237 PR tree-optimization/25485
12238 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12239 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12240 is known to be false and true, respectively.
12242 2006-01-14 Richard Guenther <rguenther@suse.de>
12244 PR tree-optimization/22548
12245 PR tree-optimization/22555
12246 PR tree-optimization/22501
12247 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12248 * params.def (salias-max-array-elements): New parameter.
12249 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12250 * doc/invoke.texi (salias-max-array-elements): Document.
12251 * tree-flow-inline.h (var_can_have_subvars): We also handle
12253 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12255 * tree-ssa-structalias.c (params.h): Include.
12256 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12257 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12258 (get_constraint_for): For ADDR_EXPR operating on something
12259 containing an ARRAY_REF, add all subvars to the solution.
12260 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12261 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12262 for creating MUST_DEFs.
12263 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12265 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12267 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12269 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12270 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12271 number_of_iterations_le): New functions.
12272 (number_of_iterations_special): Removed.
12273 (number_of_iterations_exit): Do not use number_of_iterations_special.
12274 * tree.c (unsigned_type_for): Always return integer type.
12276 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12277 Richard Guenther <rguenther@suse.de>
12279 PR rtl-optimization/24257
12280 * gcse.c (find_moveable_store): Only consider a store movable
12281 when the SET_SRC of the insn can be assigned to a register.
12283 2006-01-14 Ian Lance Taylor <ian@airs.com>
12285 * tree.c (tree_not_class_check_failed): New function.
12286 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12287 (tree_not_class_check_failed): Declare.
12289 2006-01-13 Ian Lance Taylor <ian@airs.com>
12291 * reload1.c (do_output_reload): Add assertion rejecting a
12294 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12296 * combine.c (struct reg_stat): Add new fields truncation_label and
12298 (record_value_for_reg): Reset truncated_to_mode.
12299 (record_truncated_value): New function.
12300 (check_promoted_subreg): Call it. Rename to check_conversions.
12301 (combine_instructions): Rename check_promoted_subreg to
12303 (reg_truncated_to_mode): New function.
12304 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12305 (gen_lowpart_or_truncate): New function.
12306 (force_to_mode): Use it instead of gen_lowpart.
12308 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12310 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12311 VAR is a tag, not its type tag.
12313 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12315 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12316 alternatives to match style of other entries.
12317 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12319 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12321 PR tree-optimization/25771
12322 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12325 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12328 * tree-inline.c (declare_return_variable): If the return variable
12329 was marked as a non gimple complex, set the return slot variable
12330 to be a non gimple comple variable.
12332 2006-01-13 Richard Guenther <rguenther@suse.de>
12334 * builtins.c (expand_builtin_sincos): New function.
12335 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12337 (expand_builtin): Expand sincos using expand_builtin_sincos.
12339 2006-01-12 DJ Delorie <dj@redhat.com>
12341 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12342 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12343 so that constant shifts can be split.
12344 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12345 (m32c_valid_pointer_mode): Make static.
12346 (shift_gen_func_for): New.
12347 (m32c_prepare_shift): Use it. Split large const shifts into
12349 * config/m32c/predicates.md (shiftcount_operand): Allow more
12351 (longshiftcount_operand): New.
12352 * doc/md.texi (Machine Constraints): Document In6.
12354 2006-01-13 Ben Elliston <bje@au.ibm.com>
12356 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12357 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12360 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12362 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12363 to try to avoid clobbering pieces of structures when we know
12364 something about the whole structure.
12365 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12367 2006-01-13 Ben Elliston <bje@au.ibm.com>
12369 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12370 return in memory, as this is no limitation is no longer present.
12372 2006-01-12 DJ Delorie <dj@redhat.com>
12374 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12375 mova with fb, and for fb+0 -> An.
12377 * config/m32c/mov.md (peephole2): Fix enabling logic.
12379 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12380 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12381 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12382 FINI_ARRAY_SECTION_ASM_OP): Define.
12384 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12386 (m32c_legitimize_reload_address): New logic to reload FB to An.
12387 (m32c_output_reg_push): Add newline.
12388 (m32c_output_reg_pop): Likewise.
12390 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12392 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12394 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12396 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12398 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12400 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12403 2006-01-11 Ben Elliston <bje@au.ibm.com>
12405 * rtlanal.c (find_reg_note): Assert insn is not null.
12407 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12409 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12412 2006-01-11 Jeff Law <law@redhat.com>
12414 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12416 (mark_threaded_blocks, register_jump_thread): New functions.
12417 (thread_through_all_blocks): Remove unwanted argument. No
12418 longer rely on e->aux to communicate thread target info.
12419 Call mark_threaded_blocks. Release the threaded_blocks
12420 bitmap and threaded_edges vector when complete.
12421 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12422 (threaded_blocks): Remove.
12423 (tree_ssa_dominator_optimize): Remove initialization and
12424 finalization of threaded_blocks. Simplify call to
12425 thread_through_all_blocks.
12426 (thread_across_edge): Call register_jump_thread rather than
12427 storing thread information into e->aux.
12428 (free_all_edge_infos): Simplify now that e->aux is no longer
12429 used to communicate with thread_through_all_blocks.
12430 * tree-flow.h (thread_through_all_blocks): Update prototype.
12431 (register_jump_thread): Prototype.
12433 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12435 * df-core.c (df_compact_blocks, df_bb_replace): Use
12436 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12438 2006-01-11 Richard Guenther <rguenther@suse.de>
12440 PR tree-optimization/25734
12441 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12442 stop propagation after successful propagation to the LHS.
12444 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12446 * basic-block.h (control_flow_graph): Change the type of
12447 x_basic_block_info to VEC(basic_block,gc) *.
12448 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12450 (SET_BASIC_BLOCK): New.
12451 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12452 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12453 * cfgbuild.c (find_basic_blocks): Likewise.
12454 * cfglayout.c (fixup_reorder_chain): Likewise.
12455 * cfgrtl.c (create_basic_block_structure,
12456 rtl_create_basic_block): Likewise.
12457 * ifcvt.c (find_if_case_1): Likewise.
12458 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12461 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12463 * Makefile.in: Removed rotted odf.c entry.
12465 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12468 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12469 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12470 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12471 output pattern modifier, not %e.
12472 * config/cris/cris.c (cris_op_str): Update comment about pattern
12474 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12475 before falling through into...
12476 <case 'E'>: Redefined from old 'e' case.
12478 2006-01-11 Jan Hubicka <jh@suse.cz>
12481 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12483 2006-01-11 Jan Hubicka <jh@suse.cz>
12485 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12486 * i386.c (x86_decompose_lea): Kill.
12487 (ix86_rtx_costs): Kill.
12489 2006-01-11 Jan Hubicka <jh@suse.cz>
12491 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12492 * cgraph.h (cgraph_node): Add inline_decl.
12493 (cgraph_insert_node_to_hashtable): Declare.
12494 (save_inline_function_body): Declare.
12495 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12497 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12498 (cgraph_function_versioning): Update call of tree_function_versioning.
12499 (save_inline_function_body): New function.
12500 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12501 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12502 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12503 (cgraph_default_inline_p): Likewise.
12504 (cgraph_decide_inlining_incrementally): Likewise.
12505 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12506 (copy_bb): Kill saving; do updating of clones.
12507 (copy_cfg_body): Kill saving.
12508 (initialize_inlined-parameters): Likewise.
12509 (expand_call_inline): Likewise.
12511 (tree_function_versioning): New parameter "update_clones".
12512 (inlining_p): Kill saving.
12513 * tree-inline.h (tree_function_versioning): Update prototype.
12514 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12517 2006-01-11 Ian Lance Taylor <ian@airs.com>
12519 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12520 Allow undoing set of machine mode.
12521 (do_SUBST): Use enums instead of is_int.
12522 (do_SUBST_MODE): New function.
12523 (SUBST_MODE): New macro.
12524 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12525 reg and trying to replace reg_regno_rtx with a new register.
12526 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12527 (simplify_set): Use SUBST_MODE.
12528 (distribute_notes): Remove code that tried to update reg notes
12529 for regno_reg_rtx changes.
12531 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12533 PR tree-optimization/23109
12534 PR tree-optimization/23948
12535 PR tree-optimization/24123
12537 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12538 * tree-cfg.c (single_noncomplex_succ): New.
12539 * tree-flow.h (single_noncomplex_succ): Declare it.
12540 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12541 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12542 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12543 insert_bb, register_division_in, insert_reciprocals,
12544 replace_reciprocal, free_bb): New.
12545 (execute_cse_reciprocals_1): Rewritten.
12546 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12547 Do not commit any edge insertion. Always compute dominators and
12548 create the allocation pool.
12549 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12550 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12551 * targhooks.c (default_min_divistions_for_recip_mul): New.
12552 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12553 * passes.c (init_optimization_passes): Run recip after tree loop
12555 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12557 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12558 Kenneth Zadeck <zadeck@naturalbridge.com>
12560 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12561 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12562 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12563 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12564 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12565 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12566 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12567 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12568 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12569 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12570 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12571 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12572 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12573 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12574 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12575 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12576 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12577 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12578 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12579 DF_SCAN_POST_ALLOC): New macros.
12580 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12581 df_free_bb_function, df_local_compute_function, df_init_function,
12582 df_dataflow_function, df_confluence_function_0,
12583 df_confluence_function_n, df_transfer_function,
12584 df_finalizer_function, df_free_function, df_dump_problem_function,
12585 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12586 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12587 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12588 df_urec_bb_info, ) New types.
12589 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12591 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12592 df_analyze_simple_change_some_blocks,
12593 df_analyze_simple_change_one_block, df_compact_blocks,
12594 df_bb_replace, df_bb_regno_last_use_find,
12595 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12596 df_insn_regno_def_p, df_find_def, df_find_use,
12597 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12598 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12599 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12600 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12601 debug_df_chain, df_get_dependent_problem, df_chain_create,
12602 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12603 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12604 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12605 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12606 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12607 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12608 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12609 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12610 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12611 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12612 df_reorganize_refs, df_set_state, df_hard_reg_init,
12613 df_read_modify_subreg_p) New public functions.
12614 * df-core.c: The core dataflow solver and glue routines for rtl
12616 (df_init, df_add_problem, df_set_blocks, df_finish,
12617 df_hybrid_search_forward, df_hybrid_search_backward,
12618 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12619 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12620 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12621 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12622 df_reg_defined, df_find_use, df_reg_used, df_dump,
12623 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12624 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12625 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12626 debug_df_useno, reset_df_after_reload): New functions.
12627 * df-scan.c: The scanning fuctions, once in df.c, completely
12628 rewritten so that they now fully model the functionality of
12629 register usage at the backend.
12630 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12631 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12632 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12633 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12634 df_get_artificial_defs, df_get_artificial_uses,
12635 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12636 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12637 df_refs_delete, df_reorganize_refs, df_set_state,
12638 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12639 df_def_record_1, df_defs_record, df_uses_record,
12640 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12641 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12642 df_record_exit_block_uses, df_hard_reg_init): New functions.
12644 * df-problems.c: Seven concrete dataflow problems that use the
12645 scanning in df-scan.c and are solved by the engine in df-core.c.
12646 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12647 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12648 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12649 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12650 df_ru_free_bb_info, df_ru_alloc,
12651 df_ru_bb_local_compute_process_def,
12652 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12653 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12654 df_ru_transfer_function, df_ru_free, df_ru_dump,
12655 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12656 df_rd_free_bb_info, df_rd_alloc,
12657 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12658 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12659 df_rd_transfer_function, df_rd_free, df_rd_dump,
12660 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12661 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12662 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12663 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12664 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12665 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12666 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12667 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12668 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12669 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12670 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12671 df_urec_mark_reg_use_for_earlyclobber,
12672 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12673 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12674 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12675 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12676 df_chain_create_bb_process_use, df_chain_create_bb,
12677 df_chain_finalize, df_chain_free, df_chains_dump,
12678 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12679 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12680 df_reg_lifetime): New functions.
12681 * df.c: Deleted file.
12682 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12683 consistent with new df api.
12684 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12685 rest_of_handle_sms): Ditto.
12686 * web.c (unionfind_union, union_defs, entry_register, web_main):
12688 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12689 invariant_expr_equal_p, find_defs, check_dependencies,
12690 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12691 free_inv_motion_data, move_loop_invariants): Ditto.
12692 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12693 Update dependencies.
12694 (odf.c): Added defective entry that was deleted later in day.
12695 * sched-deps.c (sched_analyze_1): Ditto.
12697 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12699 * tree-ssa-operands.c (get_expr_operands): Record addressable
12700 variables directly. Do not call add_stmt_operands for CONST_DECLs
12702 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12703 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12705 2006-01-11 Ben Elliston <bje@au.ibm.com>
12707 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12708 function returns true in the positive case.
12710 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12713 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12714 for SI, DI, SF and DF modes. Add alternatives to copy between
12715 general and floating point registers to the 32-bit patterns.
12716 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12717 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12718 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12719 generating 64-bit code.
12720 * config/pa/pa.c (output_move_double): Handle copies between general
12721 and floating registers.
12723 2006-01-10 Stuart Hastings <stuart@apple.com>
12725 * config/i386/i386.md (set_got): Update.
12726 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12727 (builtin_setjmp_receiver): Mach-O support.
12728 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12729 (GOT_SYMBOL_NAME): Define.
12730 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12731 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12732 * config/i386/i386.c (override_options): Revise for Darwin.
12733 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12734 support. (darwin_x86_file_end): New. (output_set_got): Add label
12735 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12736 * config/i386/i386-protos.h (output_set_got): Likewise.
12737 * config/darwin.c (machopic_legitimize_pic_address): Update
12740 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12742 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12743 when MODE isn't BLKmode.
12745 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12747 PR rtl-optimization/25367
12748 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12750 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12753 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12754 for a negative bound.
12756 2006-01-10 Richard Guenther <rguenther@suse.de>
12758 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12759 Never override with anything constraint.
12761 2006-01-10 Jan Beulich <jbeulich@novell.com>
12763 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12764 256 bits when optimize_size.
12766 2006-01-10 Jan Beulich <jbeulich@novell.com>
12768 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12770 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12771 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12774 2006-01-10 Ben Elliston <bje@au.ibm.com>
12776 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12778 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12779 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12780 (USE_FP_FOR_ARG): Reject decimal float modes.
12781 (function_arg_advance): Likewise.
12782 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12783 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12784 point types in AltiVec vectors.
12785 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12786 (rs6000_libcall_value): Likewise.
12788 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12790 * config/xtensa/ieee754-df.S: New file.
12791 * config/xtensa/ieee754-sf.S: New file.
12792 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12793 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12794 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12796 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12798 * config/sh/predicates.md (binary_float_operator,
12799 binary_logical_operator, commutative_float_operator,
12800 equality_comparison_operator, greater_comparison_operator,
12801 less_comparison_operator, logical_operator,
12802 noncommutative_float_operator, shift_operator,
12803 symbol_ref_operand, unary_float_operator): Remove redundant
12806 2006-01-09 Jeff Law <law@redhat.com>
12808 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12809 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12810 now unused arguments. Callers updated.
12811 (eliminate_redundant_computations): Remove now unused arguments,
12813 (local_fold): Remove, no longer used.
12814 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12816 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12817 (simplify_cond): New function.
12818 (forward_propagate_into_cond): Call simplify_cond.
12820 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12822 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12823 (*vec_extractv2di_1_sse): New.
12825 2006-01-09 Ben Elliston <bje@au.ibm.com>
12827 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12829 2006-01-08 Richard Guenther <rguenther@suse.de>
12831 * tree-ssa-structalias.c (get_constraint_for): Remove
12832 anyoffset argument.
12833 (get_constraint_for_component_ref): Likewise.
12834 (do_deref): Likewise.
12835 (get_constraint_for): Likewise.
12836 (do_structure_copy): Likewise.
12837 (handle_ptr_arith): Likewise.
12838 (find_func_aliases): Likewise. Remove unused need_anyoffset
12841 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12842 Kaz Kojima <kkojima@gcc.gnu.org>
12844 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12845 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12846 (EXTRA_CONSTRAINT_C16): Remove.
12847 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12848 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12849 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12850 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12851 constants of SHmedia. Handle nested constant expressions of
12853 (andcosts): Fix the costs for SHmedia constants.
12854 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12855 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12856 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12857 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12858 (movv4hi_i, movv2si_i): Likewise.
12859 (movsi_const): Adjust the second operand of ior so to match with
12860 the Csu constraint.
12861 (movdi_const, movdi_const_32bit): Likewise.
12862 (movdi_const_16bit+1): Don't sign-extend LOW.
12863 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12865 (*double_shori): Fix the split condition. Use GEN_INT instead
12866 of get_int_mode calls. Mask lower 16-bit of the argument of
12868 (sym2GOTPLT): Remove.
12869 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12871 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12872 instead of EXTRA_CONSTRAINT_C16.
12874 2006-01-07 Ian Lance Taylor <ian@airs.com>
12875 David Edelsohn <edelsohn@gnu.org>
12877 PR rtl-optimization/25662
12878 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12879 for constant operands instead of simplify_gen_binary.
12880 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12881 after trying simplify_binary_operation
12883 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12885 * tree.c (iterative_hash_expr): Hash decls based on UID.
12887 2006-01-06 Eric Christopher <echristo@apple.com>
12889 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12890 (TARGET_UNWIND_EMIT): Fix spelling.
12891 * target.h (gcc_target): Add except_table_label.
12892 * except.c (output_function_exception_table): Use.
12893 * varasm.c (default_emit_except_table_label): New.
12894 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12896 (asm_out): Add here.
12897 * output.h (default_emit_except_table_label): Prototype.
12898 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12899 * config/darwin.c (darwin_emit_except_table_label): Define.
12900 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12902 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12904 PR tree-optimization/18527
12905 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12906 number_of_iterations_special, number_of_iterations_exit):
12907 Move base and step of an iv to a single structure. Add
12908 no_overflow flag, and use it in # of iterations analysis.
12909 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12910 folded_casts argument.
12911 (simple_iv): Pass base and step in a structure. Set no_overflow
12913 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12914 Evaluate expensiveness of computing # of iterations instead of
12915 the final expression.
12916 * tree-scalar-evolution.h (affine_iv): New structure.
12917 (simple_iv): Declaration changed.
12918 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12919 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12920 find_givs_in_stmt): Changed due to simple_iv change.
12922 2006-01-06 Jeff Law <law@redhat.com>
12925 * tree-cfg.c (bsi_replace): Rename final argument from
12926 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12927 change (stmt -> orig_stmt).
12928 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12929 (bsi_remove): Add new argument. Remove EH information
12931 (verify_eh_throw_table_statements): New function.
12932 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12934 * tree-optimize.c (execute_free_cfg_annotations): Verify
12935 the EH throw statement table after removing annotations.
12936 * except.h (verify_eh_throw_table_statements): Prototype.
12937 * tree-flow.h (bsi_remove): Update prototype.
12938 * tree-vrp.c (remove_range_assertions): Add new argument to
12940 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12941 * tree-complex.c (expand_complex_div_wide): Likewise.
12942 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12943 * tree-tailcall.c (eliminate_tailcall): Likewise.
12944 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12945 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12946 * tree-nrv.c (tree_nrv): Likewise.
12947 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12948 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12949 (combine_blocks): Likewise.
12950 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12951 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12952 (cleanup_control_flow): Likewise.
12953 (remove_forwarder_block): Likewise.
12954 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12955 * tree-sra.c (sra_replace): Likewise.
12956 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12957 (forward_propagate_single_use_vars): Likewise.
12958 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12959 * tree-inline.c (expand_call_inline): Likewise.
12960 * tree-vect-transform.c (vect_transform_loop): Likewise.
12961 * tree-outof-ssa.c (rewrite_trees): Likewise.
12962 * tree-cfg.c (make_goto_expr_edges): Likewise.
12963 (cleanup_dead_labels): Likewise.
12964 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12965 (bsi_move_before, bsi_move_after): Likewise.
12966 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12967 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12969 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12972 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12974 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12975 on non gimple variables. Also add checks at the top for decls and
12977 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12979 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12980 and IMAGPART_EXPR for creating MUST_DEFs.
12981 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12982 and NAME_MEMORY_TAG separately from the DECLs.
12984 2006-01-06 Richard Guenther <rguenther@suse.de>
12986 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12987 annotation, if necessary.
12988 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12989 redundant calls to update_stmt.
12990 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12993 2006-01-05 Richard Henderson <rth@redhat.com>
12995 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12997 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12999 * c-typeck.c: Update copyright date.
13001 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13003 * c-typeck.c (build_c_cast): Always warn when casting
13004 from a pointer to an integer of different size, even if
13005 the node was constant.
13007 2006-01-05 Richard Guenther <rguenther@suse.de>
13009 PR tree-optimization/22555
13010 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13011 if one structure field is an array.
13012 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13013 operands even if we found a subvar, but ignore VOPs in this
13015 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13017 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13019 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13021 PR middle-end/24998
13022 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13024 2006-01-05 Richard Guenther <rguenther@suse.de>
13025 Diego Novillo <dnovillo@redhat.com>
13027 * tree-pass.h (TODO_remove_unused_locals): Define.
13028 * gimple-low.c (expand_var_p, remove_useless_vars,
13029 pass_remove_useless_vars): Remove. Update all users.
13030 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13031 (remove_unused_locals): New function.
13032 * tree-flow.h (remove_unused_locals): Declare.
13033 * passes.c (execute_todo): Call remove_unused_locals if
13034 TODO_remove_unused_locals is set.
13035 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13036 * tree-ssa-dce.c (pass_dce): Likewise.
13037 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13039 2006-01-05 Richard Guenther <rguenther@suse.de>
13041 * tree-flow.h (struct fieldoff): Decompose field to
13042 type, size and decl.
13043 * tree-ssa-alias.c (create_sft): Take type as parameter.
13044 (create_overlap_variables_for): Store type, size and decl
13045 in the fieldoff structure.
13046 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13047 of struct fieldoff.
13048 (push_fields_onto_fieldstack): Likewise.
13049 (create_variable_info_for): Likewise. Use offset for the
13050 SFT name if the decl is not available.
13052 2006-01-04 Paul Brook <paul@codesourcery.com>
13054 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13056 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13058 * lambda-code.c (can_put_in_inner_loop): Relax
13060 (can_put_after_inner_loop): New function.
13061 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13062 (perfect_nestify): Change to make copies and modify uses.
13064 2006-01-04 Richard Henderson <rth@redhat.com>
13066 Merge from gomp branch:
13067 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13068 via integer constant.
13069 (pragma_lex): Remove.
13070 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13071 rather than parsing it.
13072 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13073 handle_pragma_extern_prefix): Add %< %> quotes.
13074 (registered_pragmas): New.
13075 (c_register_pragma_1): New.
13076 (c_register_pragma): Use it.
13077 (c_register_pragma_with_expansion): Likewise.
13078 (c_invoke_pragma_handler): New.
13079 (init_pragma): Use cpp_register_deferred_pragma directly for
13081 * c-pragma.h (enum pragma_kind): New.
13082 (pragma_handler): New.
13083 (c_invoke_pragma_handler): Declare.
13084 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13086 * c-common.h (c_common_pch_pragma): Update decl.
13087 * Makefile.in (c-parser.o): Update dependencies.
13088 (GTFILES): Add c-pragma.h.
13089 * c-parser.c (struct c_token): Add pragma_kind.
13090 (struct c_parser): Add in_pragma.
13091 (c_lex_one_token): Always initialize keyword and pragma_kind.
13092 Extract data for CPP_PRAGMA.
13093 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13094 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13095 Don't allow CPP_PRAGMA_EOL if in_pragma.
13096 (c_parser_consume_pragma): New.
13097 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13098 (c_parser_skip_to_end_of_parameter): Likewise.
13099 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13100 (c_parser_skip_to_pragma_eol): New.
13101 (c_parser_external_declaration): Handle CPP_PRAGMA.
13102 (c_parser_compound_statement_nostart): Likewise.
13103 (c_parser_statement_after_labels): Likewise.
13104 (c_parser_pragma): New.
13105 (pragma_lex): Likewise.
13106 (c_parser_pragma_pch_preprocess): New.
13107 (c_parser_new): Merge into ...
13108 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13110 2006-01-04 Jeff Law <law@redhat.com>
13113 * tree-cfg.c (bsi_replace): Remove the original statement
13114 from the EH throw statement table.
13116 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13118 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13119 make the prototype extern "C" and add throw ().
13122 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13123 and pos non-negative and pos + len <= 32.
13124 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13125 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13126 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13129 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13130 as well as sizes not multiple of component size.
13133 * function.c (instantiate_expr): New function.
13134 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13135 walk its DECL_VALUE_EXPR with instantiate_expr.
13137 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13138 DW_OP_deref{,_size} if address isn't going to be added.
13140 2006-01-04 Ben Elliston <bje@au.ibm.com>
13142 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13143 * config/fp-bit.c: Likewise.
13145 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13147 * dominance.c: Add comment about why we use DFS numbering
13150 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13151 Richard Henderson <rth@redhat.com>
13153 Merge from gomp-branch:
13154 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13155 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13157 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13159 PR rtl-optimization/25578
13160 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13161 pass a parameter to simplify_shift_const if changing ASHIFTRT
13164 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13166 * builtins.c (get_builtin_sync_mem): New function.
13167 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13168 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13169 Call get_builtin_sync_mem to generate mem rtx.
13171 2006-01-03 Richard Guenther <rguenther@suse.de>
13174 * stmt.c (add_case_node): Make sure to clear overflow flags
13177 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13179 Merge from gomp-branch.
13180 * config/sparc/sync.md: New file.
13181 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13182 UNSPECV_LDSTUB): New constants.
13183 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13184 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13185 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13188 2006-01-03 Roger Sayle <roger@eyesopen.com>
13190 * combine.c (reg_subword_p): New predicate to test whether the
13191 destination of a set refers to a subword/piece of a register.
13192 (try_combine): Generalize the code to merge the setting of a
13193 pseudo to a constant followed by a set of a subword of that
13194 register to a constant.
13196 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13198 * basic-block.h (control_flow_graph): Change the type of
13199 x_label_to_block_map to VEC(basic_block,gc) *.
13200 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13201 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13203 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13204 VEC(basic_block,heap) *.
13205 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13206 ssa_prop_fini): Adjust the uses of cfg_blocks.
13208 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13210 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13212 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13213 hashing trees instead of a pointer hash.
13214 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13215 compare for MEM_EXPR.
13217 PR rtl-optimization/25130
13218 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13219 when comparing MEMs for GCSE
13221 2006-01-03 Ben Elliston <bje@au.ibm.com>
13223 * targhooks.h (default_decimal_float_supported_p): Declare.
13224 * targhooks.c (default_decimal_float_supported_p): Define.
13225 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13226 `default_decimal_float_supported_p'.
13227 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13229 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13231 * combine.c (apply_distributive_law <SUBREG>): Check
13232 TRULY_NOOP_TRUNCATION.
13234 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13236 * dwarf2out.c (have_switched_text_section): Delete.
13237 (have_multiple_function_sections): New.
13238 (have_location_lists): Make 'bool'.
13239 (add_AT_loc_list): Use 'true' not '1'.
13240 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13241 (output_loc_list): Use have_multiple_function_sections.
13242 (output_ranges): Likewise.
13243 (dwarf2out_begin_function): Set have_multiple_function_sections if
13245 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13246 Check function_section rather than DECL_SECTION_NAME.
13247 (dwarf2out_finish): Use have_multiple_function_sections.
13248 Don't clear have_location_lists.
13250 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13251 Jan Hubicka <jh@suse.cz>
13253 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13254 case of conditional jump jumping to the next instruction.
13255 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13256 cases of conditional jump jumping to the next instruction.
13258 2006-01-02 Jan Hubicka <jh@suse.cz>
13260 * i386.c (*_cost): Add COSTS_N_INSNS.
13261 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13263 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13266 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13268 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13270 * config/arm/arm.c (all_fpus): Fix comment typo.
13271 * config/darwin.c: Likewise.
13272 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13273 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13274 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13276 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13278 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13279 (rs6000_split_compare_and_swapqhi): New.
13280 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13281 (sync_compare_and_swapqhi_internal): New.
13282 * config/rs6000/rs6000-protos.h: Declare.