1 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4 * tree.h (dump_addr): Declare.
5 * print-tree.c (dump_addr): New function.
6 (print_node_brief, print_node): Use it.
7 * print-rtl.c (print_rtx): Likewise.
8 * common.opt (-fdump-noaddr): New option.
9 * doc/invoke.texi (-fdump-noaddr): Document.
10 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
11 (ve_info_hash): Likewise.
13 2006-07-13 Andrew Haley <aph@redhat.com>
15 PR tree-optimization/19505
16 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
17 edge leaving this block, make sure that the destination of this
18 block has only one predecessor.
20 2006-07-17 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/28238
23 * tree-inline.c (copy_bb): Check if we produced valid
24 gimple copying and substituting a stmt. If not, gimplify
27 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
29 * optabs.c (maybe_encapsulate_block): New function extracted from...
30 (emit_libcall_block): ...here. Invoke it on the block of insns to
31 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
32 (emit_no_conflict_block): Likewise.
34 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
36 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
38 2006-07-15 Roger Sayle <roger@eyesopen.com>
40 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
41 a new NOP_EXPR case of the switch statement.
43 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
46 * stor-layout.c (place_field): Take the bit field with
47 an excessive size into account in the ms-bitfiled case.
50 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
51 the previous bit field.
53 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
56 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
58 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
60 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
61 signal frames correctly even when the signal was installed with
64 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
66 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
67 (dbxout_function_end): Use local label LFBB. Remove hook
69 (dbxout_source_line): Use local label LFBB.
70 (dbxout_block): Likewise.
71 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
72 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
73 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
76 2006-07-13 Janis Johnson <janis187@us.ibm.com>
78 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
80 2006-07-13 Jan Hubicka <jh@suse.cz>
82 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
84 * output.h (align_variable): Declare.
85 * varasm.c (align_variable): Export.
86 * value-prof.c (tree_value_profile_transformations): Recompute iterator
87 when basic block changed.
89 2006-07-13 Nick Clifton <nickc@redhat.com>
91 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
92 walking the LOG_LINKS chain.
94 2006-07-12 Geoffrey Keating <geoffk@apple.com>
96 * doc/invoke.texi (C++ Dialect Options): Explain difference
97 between -fvisibility-inlines-hidden and setting hidden
98 visibility explicitly.
100 2006-07-12 Eric Christopher <echristo@apple.com>
102 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
103 (stmp-lipo): Depend on libgcc.a.
105 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
107 * tree.c: Fix a comment typo.
109 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
111 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
113 (umulhisi3_r): Likewise.
115 2006-07-12 Paolo Carlini <pcarlini@suse.de>
118 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
119 x < 19, vs wchar_t support.
121 2006-07-12 Nick Clifton <nickc@redhat.com>
123 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
126 2006-07-12 Mike Stump <mrs@apple.com>
128 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
130 2006-07-10 Eric Christopher <echristo@apple.com>
132 * config/t-slibgcc-darwin: Rewrite.
134 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
137 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
140 2006-07-08 Matthias Klose <doko@debian.org>
142 * doc/sourcebuild.texi: Fix typo.
144 2006-07-07 Mike Stump <mrs@apple.com>
146 * toplev.c (process_options): Don't give -ffunction-sections may
147 affect debugging warning for Mach-O.
149 2006-07-07 James E Wilson <wilson@specifix.com>
151 * config/mips/mips.md (cpu): Add sb1a.
152 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
153 addition to sb1. Adjust comments to clarify SB-1A differences from
155 (ir_sb1a_load): New. Modify bypasses to use it.
156 (ir_sb1a_simple_alu): Likewise.
157 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
158 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
159 (mips_issue_rate): Add PROCESSOR_SB1A.
160 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
161 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
162 (TARGET_SB1): Add PROCESSOR_SB1A check.
163 (TUNE_SB1): Likewise.
165 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
166 * config/mips/mips.c (mips_store_data_bypass_p): New.
167 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
170 2006-07-08 Paul Brook <paul@codesourcery.com>
173 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
175 2006-07-07 Richard Guenther <rguenther@suse.de>
178 * tree.h (build_one_cst): Declare.
179 * tree.c (build_one_cst): New function.
180 * tree-ssa-math-opts.c (get_constant_one): Remove.
181 (insert_reciprocals): Use build_one_cst.
182 * fold-const.c (fold_plusminus_mult): Likewise.
184 2006-07-07 Roger Sayle <roger@eyesopen.com>
186 * pointer-set.c (pointer_set_destroy): Correct whitespace.
187 * cfgloopanal.c (dump_graph): Likewise.
188 * dojump.c (discard_pending_stack_adjust): Likewise.
189 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
191 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
192 * function.c (finalize_block_changes): Likewise.
193 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
194 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
195 * rtl.c (dump_rtx_statistics): Likewise.
196 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
198 * varray.c (dump_varray_statistics): Likewise.
199 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
200 decode_decimal64, encode_decimal128, decode_decimal128,
201 decimal_real_to_decimal): Likewise.
203 2006-07-07 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/28187
206 * tree-vrp.c (vrp_operand_equal_p): New function.
207 (vrp_bitmap_equal_p): Likewise.
208 (update_value_range): Use them to compare old and new
211 2006-07-06 Roger Sayle <roger@eyesopen.com>
213 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
214 a default case to switch statement to silence compiler warnings.
216 2006-07-06 Roger Sayle <roger@eyesopen.com>
219 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
220 the configured assembler supports the x87's ffreep mnemonic.
221 * configure: Regenerate.
222 * config.in: Regenerate.
224 * config/i386/i386.c (output_387_ffreep): New function.
225 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
226 (output_387_reg_move): Likewise.
228 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
230 Port to hosts whose 'sort' and 'tail' implementations
231 treat operands with leading '+' as file names, as POSIX
232 has required since 2001. However, make sure the code still
233 works on pre-POSIX hosts.
234 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
235 which says you should use "tail -c +N" rather than "tail +Nc".
236 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
238 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
240 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
243 2006-07-06 David Edelsohn <edelsohn@gnu.org>
246 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
247 PRE_{INC,DEC} of TFmode.
249 2006-07-06 David Edelsohn <edelsohn@gnu.org>
250 Alan Modra <amodra@bigpond.net.au>
253 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
256 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
259 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
260 Remove duplicate gtu.
262 2006-07-05 Jason Merrill <jason@redhat.com>
266 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
267 * c-common.c (handle_packed_attribute): So don't copy it here.
268 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
270 2006-07-05 Mike Stump <mrs@apple.com>
272 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
274 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
277 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
279 2006-07-05 Richard Guenther <rguenther@suse.de>
282 * config/i386/i386.md (*negdf2_1): Restrict pattern to
283 TARGET_SSE2 targets if using SSE math.
284 (*absdf2_1): Likewise.
286 2006-07-05 Richard Guenther <rguenther@suse.de>
288 PR tree-optimization/28162
289 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
290 make sure to convert the operands to the correct type.
292 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
294 PR tree-optimization/28218
296 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
297 to calculate and free the dominator information.
299 2006-07-04 Peter O'Gorman <peter@pogma.com>
301 * mklibgcc.in: chmod 644 before ranlib during install.
303 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
304 J"orn Rennecke <joern.rennecke@st.com>
306 * configure.ac (.eh_frame data check): Use diff -b.
308 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
311 * Makefile.in (BUILD_RTL): Add build/vec.o.
312 (build/gencondmd.o): Filter out -fkeep-inline-functions.
313 (build/genextract): Delete.
314 (build/genautomata): Likewise.
316 2006-07-04 Alan Modra <amodra@bigpond.net.au>
319 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
320 128-bit IBM long doubles for ABI_V4.
322 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
324 * tree.c (range_in_array_bounds_p): New predicate.
325 * tree.h (range_in_array_bounds_p): Declare it.
326 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
327 return a less conservative answer.
328 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
330 (IS_ELEMENT_FOR_GROUP): New macro.
331 (FOR_EACH_ACTUAL_CHILD): Likewise.
332 (next_child_for_group): New helper function.
333 (can_completely_scalarize_p): Take into account groups.
334 (sra_hash_tree): Handle RANGE_EXPR.
335 (sra_elt_eq): Likewise.
336 (lookup_element): Be prepared for handling groups.
337 (is_valid_const_index): Delete.
338 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
339 instead of is_valid_const_index.
340 <ARRAY_RANGE_REF>: New case.
341 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
342 is_valid_const_index.
343 <ARRAY_RANGE_REF>: Do not unconditionally punt.
344 (scan_dump): Dump info for groups too.
345 (decide_instantiation_1): Likewise.
346 (decide_block_copy): Assert that the element is not a group.
347 Propagate decision to groups.
348 (generate_one_element_ref): Handle RANGE_EXPR.
349 (mark_no_warning): Iterate over actual childs.
350 (generate_copy_inout): Likewise.
351 (generate_element_copy): Likewise.
352 (generate_element_zero): Likewise.
353 (generate_element_init_1): Likewise.
354 (dump_sra_elt_name): Handle RANGE_EXPR.
356 2006-07-03 Roger Sayle <roger@eyesopen.com>
358 PR tree-optimization/26251
359 * tree-ssa-threadupdate.c (redirection_block_p): New function.
360 (thread_block): When optimizing for size refuse to thread jumps
361 that would require duplication of blocks other than redirection
364 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
366 * configure.ac: Fix thinko in previous check-in.
367 * configure: Regenerate.
369 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
372 * configure.ac (for lang...): Simplify nesting of conditionals.
373 Test subdir_requires for non-enabled languages. Move processing
374 of lang_opt_files and lang_tree_fiels below that test.
375 * configure: Regenerate.
376 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
378 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
380 * doc/gcov.texi (Invoking Gcov): Add a missing word.
382 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
384 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
387 2006-06-29 Jason Merrill <jason@redhat.com>
394 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
395 * c-common.c (c_determine_visibility): Handle it here.
396 * c-decl.c (finish_decl): Call c_determine_visibility for
398 * flags.h (enum symbol_visibility): Sort from most to least visibility.
400 * varasm.c (default_assemble_visibility): Likewise.
401 * c-common.c (handle_visibility_attribute): Complain about trying
402 to give visibility to an already defined class, or trying to change
403 declared visibility. Always attach the attribute.
408 * attribs.c (decl_attributes): Ignore type-in-place attributes
409 once the type has been defined.
411 2006-06-29 Roger Sayle <roger@eyesopen.com>
414 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
415 to indicate the cpplib has issued an error message for us.
417 2006-06-29 Asher Langton <langton2@llnl.gov>
420 * config/i386/i386.c (ix86_output_function_epilogue): Don't
421 insert a label at the end of an function under Mach-O.
423 2006-06-29 Eric Christopher <echristo@apple.com>
424 Evan Cheng <evan.cheng@apple.com>
426 * predicates.md (vector_all_ones_operand): New.
427 (nonimmediate_or_sse_const_operand): Ditto.
428 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
429 * config/i386/i386.c (standard_sse_constant_opcode): Define.
430 (standard_sse_mode_p): Ditto.
431 (standard_sse_constant_p): Add case for -1 vector.
432 (ix86_expand_vector_move): Try to use.
433 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
434 Call standard_sse_constant_opcode.
435 (*movv4sf_internal): Ditto.
436 (*movv2df_internal): Ditto.
438 2006-06-29 Roger Sayle <roger@eyesopen.com>
440 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
441 of XEXP to extract the operands of a MATCH_CODE rtx.
443 2006-06-28 Andrew Pinski <pinskia@gmail.com>
445 * tree.c (tree_size): Do not waste tail padding in
446 struct tree_string and make the size be the same as
447 build_string will generate.
449 2006-06-28 Jason Merrill <jason@redhat.com>
452 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
453 may_aliases already in the tag's annotations to the bitmap.
455 2006-06-28 Roger Sayle <roger@eyesopen.com>
457 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
459 2006-06-28 Roger Sayle <roger@eyesopen.com>
461 * genpreds.c (generate_switch_p): New function.
462 (add_mode_tests): Push the new mode test down inside an AND expr
463 if this allows the switch-suitable MATCH_CODE to be near the root.
464 (write_match_code_switch): New function to write a MATCH_CODE as
466 (write_predicate_stmts): New function to write a predicate RTX
467 expression as a sequence of statements.
468 (write_one_predicate_function): Use write_predicate_stmts.
469 (write_tm_constrs_h): Likewise.
471 2006-06-26 Fred Fish <fnf@specifix.com>
473 * config/mips/t-sb1: New file.
474 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
477 2006-06-26 DJ Delorie <dj@redhat.com>
479 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
481 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
482 Jayant Sonar <jayants@kpitcummins.com>
483 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
485 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
486 (subsi3, subsi3_1, subsi3_2): New.
487 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
488 * config/m32c/mov.md (SI mov peephole): New.
489 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
490 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
492 2006-06-26 Olivier Hainque <hainque@adacore.com>
494 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
495 a CALL_EXPR target function declaration.
497 2006-06-26 Richard Guenther <rguenther@suse.de>
499 * tree.c (build_string): Do not waste tail padding in
502 2006-06-26 Richard Guenther <rguenther@suse.de>
504 * ggc-page.c (init_ggc): Add missing element to size_lookup
508 2006-06-23 Richard Guenther <rguenther@suse.de>
510 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
511 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
512 alignment requests instead. Add verification code.
513 Add struct tree_function_decl and struct tree_binfo size to
514 extra_order_size_table. Add missing element to size_lookup
517 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
520 * fold-const.c (const_binop): Be prepared for self returning zero.
521 Simplify code handling complex values.
523 2006-06-24 Olivier Hainque <hainque@adacore.com>
525 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
526 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
529 2006-06-24 Olivier Hainque <hainque@adacore.com>
531 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
532 ARRAY_REF, so have the callback called for the low bound expression.
534 2006-06-23 Janis Johnson <janis187@us.ibm.com>
536 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
537 * c-typeck.c (c_common_type): Disallow operations on decimal float
538 types and other float types.
539 * convert.c (convert_to_real): Don't ignore conversions involving
542 2006-06-23 Olivier Hainque <hainque@adacore.com>
544 * tree.c (max_int_size_in_bytes): New function, inspired from
545 code in function.c:assign_temp.
546 * tree.h (max_int_size_in_bytes): Declare.
547 * function.c (assign_temp): Use it.
548 * gimplify.c (create_tmp_var): Relax the assertions on the type
549 properties, not mandating constant size any more.
550 (force_constant_size): New static function.
551 (gimple_add_tmp_var): Use it, forcing variable size to a
552 constant upper bound if it is not constant on entry.
554 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
557 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
558 for initialization and setting of one_only flag to ...
559 (i386_pe_encode_section_info): ...here.
560 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
561 Recheck that the symbol has not been defined.
563 2006-06-23 Richard Guenther <rguenther@suse.de>
565 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
566 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
567 alignment requests instead. Add verification code.
568 Add struct tree_function_decl and struct tree_binfo size to
569 extra_order_size_table. Add missing element to size_lookup
572 2006-06-22 Roger Sayle <roger@eyesopen.com>
573 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
576 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
577 call to lang_hooks.types.type_for_mode returned NULL_TREE.
579 2006-06-23 Ben Elliston <bje@au.ibm.com>
581 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
582 negate dn -- manipulate it directly.
584 2006-06-22 Roger Sayle <roger@eyesopen.com>
585 Steven Bosscher <stevenb.gcc@gmail.com>
588 * reload1.c (gen_reload): Call mark_jump_label on the new insns
589 generated by gen_move_insn to add REG_LABEL notes if necessary.
591 2006-06-22 Bob Wilson <bob.wilson@acm.org>
593 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
594 (leaf_entry): Remove use of MIN_ESA.
596 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
598 PR rtl-optimization/28121
599 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
602 2006-06-21 DJ Delorie <dj@redhat.com>
604 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
606 (mulhisi3_r): Likewise.
608 2006-06-21 Richard Sandiford <richard@codesourcery.com>
611 * coverage.c (coverage_counter_alloc): Leave the index type
613 (coverage_counter_alloc): Use null arguments for operands 2 and 3
616 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
618 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
619 section from the "Options for Code Generation Conventions".
621 2006-06-21 Richard Henderson <rth@redhat.com>
625 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
627 (global_symbolic_operand): Allow weak symbols, even if local_p.
629 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
631 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
632 (find_interesting_uses_address): Punt if above function returns true.
634 2006-06-21 Richard Guenther <rguenther@suse.de>
636 * configure: Regenerated.
638 2006-06-21 Joseph Myers <joseph@codesourcery.com>
640 * config/mips/mips.c (function_arg): Where one part of a
641 complex argument is in registers and the other part in the stack,
642 return a REG not a PARALLEL.
644 2006-06-21 Mark Mitchell <mark@codesourcery.com>
646 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
647 when cross-compiling. Do not substitute libstdcxx_incdir.
648 * configure: Regenerated.
650 2006-06-21 Jakub Jelinek <jakub@redhat.com>
652 * varasm.c (mergeable_string_section): Check for embedded NULs and
653 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
654 rather than TREE_STRING_LENGTH bytes.
656 2006-06-21 Richard Guenther <rguenther@suse.de>
658 * ggc-page.c (extra_order_size_table): Add var_ann_d,
659 tree_ssa_name, bitmap_element and phi_node with 4 arguments
662 2006-06-21 Richrad Guenther <rguenther@suse.de>
664 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
665 Limit iteration over the dominators.
667 2006-06-20 Roger Sayle <roger@eyesopen.com>
669 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
670 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
672 2006-06-20 Richard Guenther <rguenther@suse.de>
673 Michael Matz <matz@suse.de>
675 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
677 * alloc-pool.c (free_alloc_pool_if_empty): New function.
678 * et-forest.h (et_free_pools): Prototype new function.
679 * et-forest.c (et_free_tree_force): Free parent occurrence.
680 (et_free_pools): New function.
681 * dominance.c (free_dominance_info): Free et-forest alloc
684 2006-06-20 Roger Sayle <roger@eyesopen.com>
686 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
687 integer modes, attempt to directly construct an integer constant.
689 * fold-const.c (native_encode_vector): Determine the size of each
690 element from the vector type instead of the first vector element.
692 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
693 if all of its elements/components are constant.
694 (build_constructor_from_list): Likewise.
696 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
698 PR tree-optimization/27331
699 * tree-data-ref.c (free_data_ref): New function.
700 (create_data_ref): Fail if the data reference has unknown access
702 (free_data_refs): Use free_data_ref.
704 2006-06-19 Andrew Pinski <pinskia@gmail.com>
707 * tree-inline.c (setup_one_parameter): Strip useless
708 type conversion before adding it to the IR.
709 (declare_return_variable): Likewise.
711 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
714 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
716 2006-06-19 Mike Stump <mrs@apple.com>
718 * tree.c (variably_modified_type_p): VM arguments don't make the
721 2006-06-19 Richard Guenther <rguenther@suse.de>
723 * tree-ssa-pre.c (try_combine_conversion): Strip useless
724 type conversions after folding.
726 2006-06-19 Richard Guenther <rguenther@suse.de>
728 * ggc-page.c (extra_order_size_tab): Add entries with
729 size of struct function and basic_block.
730 (size_lookup): Extend to cover sizes up to 511.
731 (ggc_alloc_stat): Adjust user.
732 (ggc_pch_count_object): Likewise.
733 (ggc_pch_alloc_object): Likewise.
734 (ggc_pch_write_object): Likewise.
736 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
738 * tree-ssa-loop-niter.c (implies_ge_p): New function.
739 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
742 2006-06-19 Denis Chertykov <denisc@overta.ru>
744 * config/avr/libgcc.S : Correct my wrong previous commit.
746 2006-06-19 Roger Sayle <roger@eyesopen.com>
749 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
750 have stripped a SUBREG from the shift count, so we may need to
751 convert_to_mode back to the type's mode before calling make_tree.
752 Use new_amount instead of amount to avoid expanding a tree twice.
754 2006-06-19 Richard Guenther <rguenther@suse.de>
757 * fold-const.c (operand_equal_p): Check if the argument types
758 have the same precision before stripping NOPs.
760 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
762 Fix PR tree-optimization/27341
763 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
765 * tree-complex.c (pass_lower_complex): Update SMT usage.
767 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
769 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
770 Add a new alternative to the constraint strings. Add move of
771 operand 1 to 3 to the splitter definition.
772 ("doloop_si_long"): Second contraint alternative removed.
774 2006-06-08 Anatoly Sokolov <aesok@post.ru>
776 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
777 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
779 (AVR_HAVE_MOVW) Define.
780 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
781 (ASM_SPEC): Add avr25.
782 (LINK_SPEC): Add avr25.
783 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
784 (base_arch_s): Add new member 'have_movw_lpmx'.
785 (avr_arch_types): Init 'have_movw_lpmx'.
786 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
787 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
788 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
789 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
790 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
792 (avr_file_start): Do not output '.arh' derective.
793 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
794 (__do_copy_data): Use __AVR_HAVE_LPMX__.
795 * config/avr/avr.md (mcu_enhanced): Delete.
796 (mcu_have_movw): Define.
797 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
798 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
799 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
800 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
801 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
802 attiny861 and at86rf401 devices.
804 2006-06-18 Jie Zhang <jie.zhang@analog.com>
806 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
809 2006-06-17 Karl Berry <karl@gnu.org>
811 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
812 doc/gccint.texi, doc/install.texi (@dircategory): Use
813 "Software development" instead of "Programming", following
814 the Free Software Directory.
816 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
818 * config/i386/i386.c (legitimate_tls_address)
819 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
820 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
821 (*tls_dynamic_gnu2_combine_64): Likewise.
823 2006-06-16 Richard Guenther <rguenther@suse.de>
826 * fold-const.c (negate_expr_p): Do not introduce undefined
827 overflow in negating INTEGER_CSTs.
828 (fold_negate_expr): Rename from negate_expr. Revert last
829 change for folding BIT_NOT_EXPR. Change semantics to
830 return NULL_TREE for non-simplified negations. Do not
831 strip type conversions and unify type handling.
832 (negate_expr): New function, wrap around fold_negate_expr
833 but ensure building a tree always. Strip type conversions
834 here, fold to result type.
835 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
837 2006-06-16 Roger Sayle <roger@eyesopen.com>
840 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
841 that (would) return their results in stack registers.
843 2006-06-16 Michael Matz <matz@suse.de>
844 Richard Guenther <rguenther@suse.de>
846 * fold-const.c (fold_truthop): Only return new tree node if
847 we canonicalized something.
849 2006-06-16 Richard Guenther <rguenther@suse.de>
851 * function.h (enum function_frequency): Move declaration
852 out of struct function.
853 (struct function): Move bool fields and the enum to the bitfield
854 section. Reorder elements to avoid padding. Remove unused
855 fields left over from the RTL inliner removal.
856 * function.c (free_after_compilation): Do not zero removed fields.
857 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
858 (ipa-type-escape.o): Likewise.
860 2006-06-16 Richard Guenther <rguenther@suse.de>
862 * cgraph.h (struct cgraph_local_info): Turn bool elements
864 (struct cgraph_node): Likewise.
865 (struct cgraph_varpool_node): Likewise.
867 2006-06-15 Richard Guenther <rguenther@suse.de>
869 * fold-const.c (fold_truth_not_expr): Rename from
870 invert_truthvalue. Give it fold_* semantics to avoid
872 (invert_truthvalue): New function. Wrapper around
874 (optimize_minmax_comparison): Avoid creating garbage.
875 (fold_unary): Use fold_truth_not_expr for folding
877 (fold_ternary): Replace uses of invert_truthvalue with
878 fold_truth_not_expr where applicable.
879 * tree.h (fold_truth_not_expr): Prototype.
881 2006-06-16 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/27781
884 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
885 * ipa-pure-const.c (target.h): Include.
886 (analyze_function): Do not analyze functions that do not
889 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
892 * tree-dfa.c (referenced_vars_dup_list): Remove.
893 (find_referenced_vars): Remove assert.
894 (referenced_var_check_and_insert): Replace dup list with assert.
895 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
896 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
898 2006-06-15 Richard Guenther <rguenther@suse.de>
900 * tree-ssa-structalias.c (alias_get_name): Avoid creating
901 extra unused identifiers if not dumping.
902 (create_variable_info_for): Likewise.
904 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
906 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
907 (derive_constant_upper_bound): Derive more precise upper bound in
908 common cases. Return type changed to double_int.
909 (record_estimate): Reflect the changed return type of
910 derive_constant_upper_bound.
911 * double-int.c (double_int_zext, double_int_sext): Fix.
913 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
915 * configure.ac (CFLAGS): Get them from the toplevel or from the
916 configure invocation.
917 * configure: Regenerate.
918 * Makefile.in (CFLAGS): Substitute value provided by configure.
920 2006-06-14 Mark Mitchell <mark@codesourcery.com>
923 * c-common.h (c_finish_omp_atomic): Adjust declaration.
924 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
925 rather than calling add_stmt on it.
926 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
928 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
931 * reload1.c (reload): Remove registers returned by update_eliminables
932 from used_spill_regs.
934 2006-06-13 DJ Delorie <dj@redhat.com>
936 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
938 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
940 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
941 html__strip_dir, html__mkdir_p. Enhance install-html target.
942 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
943 * configure: Regenerate.
945 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
947 * fold-const.c (fold_cond_expr_with_comparison): Check for
948 Objective-C++ as language in deciding COND_EXPR transformation.
950 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
953 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
954 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
955 * config/sh/lib1funcs.h (SL, SL1): Define.
956 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
957 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
958 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
959 (OBJS_Os_4_200): New variable.
960 ($(T)libgcc-Os-4-200.a): Use it.
961 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
962 when dividing 1 and/or by 0.
964 2006-06-13 Roger Sayle <roger@eyesopen.com>
966 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
967 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
968 * configure: Regenerate.
970 2006-06-13 Jie Zhang <jie.zhang@analog.com>
972 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
973 for real instruction.
975 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
978 * haifa-sched.c (check_cfg): Handle special case.
980 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
983 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
984 Add debug_info parameter. Chain the vars to the BLOCK instead
985 of the BIND_EXPR if debug info are requested for them.
986 (pop_gimplify_context): Adjust for above change.
987 (gimple_add_tmp_var): Likewise.
988 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
990 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
991 (convert_local_reference): Likewise.
992 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
993 (finalize_nesting_tree_1): Request that debug info be emitted
996 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
998 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1001 2006-06-13 Richard Guenther <rguenther@suse.de>
1004 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1006 2006-06-13 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/27830
1009 * tree-inline.c (copy_body_r): For copying the operand
1010 of an ADDR_EXPR make sure to fold &* afterwards.
1012 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1014 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1015 lvalues in the fb_none case with side-effects.
1017 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1019 * tree-flow.h: Remove the prototype for
1020 compute_phi_arg_on_exit.
1021 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1022 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1025 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1027 * builtins.c (expand_builtin_return_addr): Only use
1028 frame_pointer_rtx when count == 0 and we are expanding
1029 __builtin_return_address.
1031 2006-06-12 Fred Fish <fnf@specifix.com>
1033 * config/mips/mips.c (mips_file_start): Create special section
1034 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1036 2006-06-11 Eric Christopher <echristo@apple.com>
1039 * stor-layout.c (place_field): Remove check for
1040 remaining_in_alignment when aligning at the end of a run.
1042 2006-06-11 Eric Christopher <echristo@apple.com>
1045 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1048 2006-06-11 Roger Sayle <roger@eyesopen.com>
1051 Revert incorrect fix for PR target/27158
1052 2006-05-08 Roger Sayle <roger@eyesopen.com>
1053 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1054 of a reg_equiv_constant if the result is a legitimate constant.
1056 2006-06-11 Roger Sayle <roger@eyesopen.com>
1059 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1060 extract a CONST_VECTOR element and interpret it as an integer.
1061 (vspltis_constant): Use const_vector_elt_as_int instead of the
1062 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1063 * config/rs6000/predicates.md (easy_vector_const): Consider
1064 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1066 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1069 * stor-layout.c (update_alignment_for_field): Don't add extra
1070 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1073 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1075 * config/mips/t-rtems: Add EL/EB multilib variants.
1077 2006-06-09 Mike Stump <mrs@apple.com>
1079 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1081 2006-06-09 David Daney <ddaney@avtrex.com>
1083 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1085 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1087 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1089 2006-06-09 Richard Guenther <rguenther@suse.de>
1091 PR tree-optimization/26998
1092 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1093 of signed types, only TYPE_MIN_VALUE is special, but for both,
1094 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1095 in this case, as is -fwrapv.
1097 2006-06-08 Mike Stump <mrs@apple.com>
1100 * config/darwin.c (darwin_asm_output_anchor): Disable
1101 -fsection-anchors on darwin for now.
1102 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1103 * rs6000/rs6000.c (optimization_options): Likewise.
1105 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1108 * config/i386/i386.c (classify_argument): Skip fields with invalid
1111 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1113 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1114 (cse_insn): Likewise for the stack_pointer_rtx.
1116 2006-06-08 Roger Sayle <roger@eyesopen.com>
1118 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1119 conditions from floating point comparisons.
1121 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1124 * expmed.c (struct alg_hash_entry): Fix type of field T
1125 to match synth_mult argument.
1126 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1128 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1131 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1134 2006-06-08 Richard Guenther <rguenther@suse.de>
1137 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1138 only, if overflow is defined and not trapping.
1139 (negate_expr): Likewise.
1141 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1143 PR tree-optimization/27872
1144 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1145 flag on the new exit edge of the unrolled loop.
1147 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1149 PR rtl-optimization/26449
1150 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1152 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1155 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1156 referenced_variables with matching DECL_UID's.
1157 (find_referenced_vars): Make sure duplicate list is empty to start.
1158 (referenced_var_p): Remove.
1159 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1160 Check if var is in the list, and add if needed. Update the duplicate
1161 list if a different var is in the list with the same DECL_UID.
1162 (add_referenced_var): Call routine to check and insert.
1163 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1164 * tree-flow.h (referenced_vars_dup_list): External declaration.
1166 2006-06-07 Fred Fish <fnf@specifix.com>
1168 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1171 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1174 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1175 the imaginary and real parts of a clobbered register.
1176 Emit insn to set the imaginary part.
1178 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1180 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1181 in lieu of unwind-dw2-fde.c.
1183 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1185 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1187 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1190 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1191 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1192 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1193 V4SImode temporaries and operations instead.
1195 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1197 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1200 2006-06-06 Mike Stump <mrs@apple.com>
1202 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1203 installing during build.
1205 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1207 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1209 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1210 * config/ia64/ia64.c (params.h): New header.
1211 (ia64_optimization_options): New function to adjust parameters.
1212 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1213 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1214 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1216 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1218 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1220 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1223 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1225 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1226 Victor Kaplansky <victork@il.ibm.com>
1228 PR tree-optimization/26360
1229 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1232 2006-06-04 Roger Sayle <roger@eyesopen.com>
1233 Andrew Pinski <pinskia@physics.uc.edu>
1236 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1237 for LABEL_DECL before calling DECL_WEAK.
1240 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1241 LABEL_DECL and PARM_DECL.
1243 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1247 * c-decl.c (grokdeclarator): Disallow variably modified types at
1248 file scope. Avoid marking shared array type of constant size as
1251 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1254 * c-common.c (fold_offsetof_1): Handle static members.
1256 2006-06-04 Eric Christopher <echristo@apple.com>
1258 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1259 (debug_rli): Output value for remaining_in_alignment.
1260 (update_alignment_for_field): Unconditionalize
1261 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1262 extra alignment code.
1263 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1264 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1265 * tree.h (record_layout_info_s): Remove prev_packed.
1266 * doc/extend.texi (ms_struct): Add documentation of format.
1268 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1270 * tree.h: Declare folding_initializer.
1271 * builtins.c (fold_builtin_constant_p): Give definite answer
1272 if folding inside an initializer.
1273 * fold-const.c: Define folding_initializer.
1274 (START_FOLD_INIT): Save and then set folding_initializer.
1275 (END_FOLD_INIT): Restore folding_initializer.
1277 2006-06-04 Richard Guenther <rguenther@suse.de>
1279 PR tree-optimization/27039
1280 * fold-const.c (fold_comparison): Handle pointer comparison
1281 again for all comparison codes. Compare offsets in signed
1283 (fold_binary): Move code from here.
1285 2006-06-03 Roger Sayle <roger@eyesopen.com>
1288 * config/i386/i386.c (construct_container): Split static issued_error
1289 flag into issued_sse_arg_error, issued_sse_ret_error and
1290 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1291 requires the use of x87 registers and the user explicitly
1292 specified the -mno-80387 command line option.
1294 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1296 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1297 HAVE_DECL_SIGALTSTACK.
1299 (segv_handler): Use MC_FLD.
1300 * configure.ac: Check for a sigaltstack declaration.
1301 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1302 * configure: Regenerate.
1303 * config.in: Regenerate.
1305 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1308 * Makefile.in (stmp-fixinc): Fix typo.
1310 2006-06-02 Roger Sayle <roger@eyesopen.com>
1312 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1313 are type correct. Clean-up.
1314 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1315 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1317 2006-06-01 DJ Delorie <dj@redhat.com>
1319 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1320 shift, as we've disabled the "switch" insn that needs it.
1322 2006-06-01 Per Bothner <bothner@bothner.com>
1324 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1325 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1326 * c-ppoutput.c (cb_define): Don't increment line 0.
1328 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1330 * doc/invoke.texi: Add cpu_type power6.
1331 * config.gcc: Add cpu_type power6.
1332 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1333 to power5+ with Altivec.
1334 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1335 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1337 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1339 * config/avr/avr.h (SET_ASM_OP): Define.
1341 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1343 * config/bfin/bfin.c: Fix comment typos.
1345 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1348 * doc/install.texi: Document --enable-bootstrap and
1349 --disable-bootstrap.
1351 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1353 * doc/install.texi: Document that InfoZIP can replace jar.
1355 2006-05-31 Roger Sayle <roger@eyesopen.com>
1357 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1358 isn't available, directly generate the simpler x87 patterns without
1359 the (use (const_int 0)).
1360 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1361 implementation isn't available.
1362 (*negdf2_1): Likewise.
1363 (*negxf2_1): XF mode negation is always done using the x87.
1364 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1366 2006-05-31 Roger Sayle <roger@eyesopen.com>
1368 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1369 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1371 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1373 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1375 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1376 * config/bfin/bfin.c (basic-block.h): Include.
1377 (struct machine_function): New.
1378 (bfin_init_machine_status): New.
1379 (override_options): Initialize init_machine_status.
1380 (bfin_hardware_loop): New.
1381 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1382 (DEF_VEC_P (loop_info)): New.
1383 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1384 (struct loop_info): New.
1385 (loop_info): New typedef.
1386 (struct loop_work): New.
1387 (loop_work): New typedef.
1388 (DEF_VEC_O (loop_work)): New.
1389 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1390 (bfin_dump_loops): New.
1391 (bfin_bb_in_loop): New.
1392 (bfin_scan_loop): New.
1393 (bfin_optimize_loop): New.
1394 (bfin_reorg_loops): New.
1395 (bfin_reorg): Use bfin_reorg_loops.
1396 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1398 (I_REGNO_P): Simplify.
1399 (DP_REGNO_P, DPREG_P): New macros.
1400 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1401 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1402 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1403 Add LT_REGS, LC_REGS, LB_REGS.
1404 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1406 (REGNO_REG_CLASS): Deal with loop registers.
1407 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1409 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1410 New constants for loop registers.
1411 (UNSPEC_LSETUP_END): New.
1412 (seq_insns): New define_attr. Set it for appropriate insns.
1413 (movsi_insn): Add alternatives for move from/to
1414 loop count registers.
1415 (doloop_end): New define_expand.
1416 (loop_end): New define_insn.
1417 (define_split for bad doloop_end): New.
1418 (lsetup_with_autoinit): New define_insn.
1419 (lsetup_without_autoinit): New define_insn.
1420 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1421 * config/bfin/predicates.md (lc_register_operand): New.
1422 (lt_register_operand): New.
1423 (lb_register_operand): New.
1424 (nondp_register_operand): New.
1425 (nondp_reg_or_memory_operand): New.
1426 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1428 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1430 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1431 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1433 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1435 * Makefile.in (CATALOGS): Add po/ prefix.
1436 * configure: Regenerated.
1438 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1441 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1442 a shift operand before calling shift_op. Avoid redundant call of
1445 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1446 DJ Delorie <dj@redhat.com>
1448 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1449 we're inserting is a singlt-bit constant.
1451 2006-05-30 Roger Sayle <roger@eyesopen.com>
1453 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1454 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1456 2006-05-30 Roger Sayle <roger@eyesopen.com>
1458 PR tree-optimization/23452
1459 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1460 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1461 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1462 complex values and with -ffast-math for FP complex values.
1464 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1466 * c-common.h: Remove the prototype for yyparse.
1467 * rtl.h: Remove the prototype for init_loop.
1469 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1471 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1474 2006-05-30 Roger Sayle <roger@eyesopen.com>
1476 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1478 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1479 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1481 2006-05-30 Dirk Mueller <dmueller@suse.de>
1484 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1485 for CONSTANT_CLASS_P expresisons.
1487 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1490 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1492 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1494 PR tree-optimization/27779
1495 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1496 initial_condition instead of CHREC_LEFT.
1498 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1500 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1501 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1502 Make prototypes ISO C90.
1504 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1505 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1507 * see.c (see_analyze_one_def): Correct check.
1508 (see_get_extension_data): Check if extension is parallel.
1509 (see_get_extension_reg): Likewise.
1511 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1514 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1515 into register for (code == GTU).
1517 2006-05-29 Roger Sayle <roger@eyesopen.com>
1519 PR tree-optimization/24964
1520 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1521 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1522 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1523 abs(x)*abs(x) as x*x for scalar floating point modes.
1525 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1528 * lambda-code.c (perfect_nestify): Don't copy statements
1529 in the inner loop: move them to the inner loop header.
1531 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1534 * c-tree.texi: Document OpenMP directives and clauses.
1536 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1538 * varasm.c (globalize_decl): Fix indentation.
1540 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1543 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1544 pass_fre, pass_store_ccp, pass_copy_prop,
1545 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1546 pass_return_slot, pass_object_size, pass_lim,
1547 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1548 pass_loop_prefetch and pass_stdarg.
1550 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1552 * config/bfin/bfin.opt (mfdpic): New option.
1553 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1554 (EXTRA_MULTILIB_PARTS): Likewise.
1555 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1556 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1558 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1559 (CRT_CALL_STATIC_FUNCTION): New.
1560 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1562 (CRT_CALL_STATIC_FUNCTION): New.
1563 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1565 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1566 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1567 (initialize_trampoline): Changed to handle FD-PIC code generation.
1568 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1569 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1570 (override_options): Disallow -mid-shared-library -mfdpic combination.
1571 Can't do unaligned ops if FD-PIC.
1572 Turn off flag_pic if trying to generate non-id-shared-library
1573 non-fdpic code, since it's not supported.
1574 (bfin_assemble_integer): New function.
1575 (TARGET_ASM_INTEGER): Define.
1576 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1578 * config/bfin/crtn.s: Restore them.
1579 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1581 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1582 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1583 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1584 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1585 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1587 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1588 FDPIC_REGS and FDPIC_FPTR_REGS.
1589 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1590 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1591 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1592 (load_funcdescsi): New pattern.
1593 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1594 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1595 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1597 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1599 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1602 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1604 * tree-flow.h: Remove the prototype for add_type_alias.
1605 * tree-ssa-alias.c (add_type_alias): Remove.
1607 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1609 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1610 config/fr30/fr30.md, config/i386/i386-interix.h,
1611 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1612 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1613 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1614 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1615 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1616 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1617 Follow spelling conventions.
1618 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1619 Follow spelling conventions.
1621 2006-05-27 Richard Guenther <rguenther@suse.de>
1624 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1625 to produce a constant of value 1 of generic type.
1627 2006-05-27 Dirk Mueller <dmueller@suse.de>
1629 * cgraphunit.c (decide_is_function_needed): Fix wrong
1632 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1634 PR rtl-optimization/27661
1635 * reload.c (find_reloads): When reloading a VOIDmode constant
1636 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1637 use Pmode as mode of the reload register.
1639 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1641 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1642 is enabled at -O and above.
1644 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1647 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1650 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1653 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1654 for anonymous variables explicitly declared by front ends.
1656 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1658 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1659 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1660 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1661 ref-all pointers, run a finalization pass for them.
1662 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1663 (finalize_ref_all_pointers): New function.
1664 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1665 regular pointer type to a ref-all pointer type.
1666 (get_tmt_for): Return the special memory tag for ref-all pointers.
1668 2006-05-25 Richard Guenther <rguenther@suse.de>
1671 * fold-const.c (fold_binary): Do not look at the stripped
1672 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1674 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1676 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1677 for LT and GT if the computed range is effectively empty.
1679 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1682 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1683 mips_quad_format formats instead of ieee_single_format,
1684 ieee_double_format and ieee_quad_format formats, respectively.
1686 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1688 PR tree-optimization/27639
1689 PR tree-optimization/26719
1690 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1691 call to scev_probably_wraps_p.
1692 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1693 used_in_pointer_arithmetic_p, convert_step): Removed.
1694 (nowrap_type_p): New function.
1695 (scev_probably_wraps_p): Rewritten.
1696 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1697 chrec_convert if chrec_convert_aggressive might have been used.
1698 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1699 scev_direction): New functions.
1700 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1701 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1702 instead of convert_step.
1703 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1704 (convert_step): Declaration removed.
1705 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1707 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1709 * df-core.c: Added to header comments.
1710 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1711 df_ur_bb_info, df_urec_bb_info): Added comments.
1712 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1713 urec, ri problems): Fixed header comments.
1714 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1715 code from df_rd_transfer_function.
1717 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1719 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1720 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1721 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1723 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1725 * expr.c (undefined_operand_subword_p): New.
1726 (emit_move_multi_word): Do not generate move from undefined bits
1727 of a paradoxical subreg.
1729 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1731 PR rtl-optimization/27736
1732 * combine.c (replaced_rhs_value): New variable.
1733 (combine_instructions): Set it.
1734 (distribute_notes): When distributing a note in replaced_rhs_insn,
1735 check whether the value was used in replaced_rhs_value.
1737 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1740 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1741 add_referenced_var instead of add_referenced_tmp_var.
1742 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1743 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1745 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1746 tree_optimize_tail_calls_1): Use add_referenced_var.
1747 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1748 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1749 Use add_referenced_var.
1750 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1751 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1752 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1753 Use add_referenced_var.
1754 * tree-dfa.c (struct walk_state): Remove.
1755 (find_referenced_vars): Remove walk state and vars_found hash table.
1756 (make_rename_temp): Use add_referenced_var.
1757 (find_vars_r): Pass less parameters to add_referenced_var.
1758 (referenced_var_p): New. Is var in referenced_var hash table.
1759 (referenced_var_insert): Assert var isn't already in hash table.
1760 (add_referenced_var): Don't need walk_state parameter. Add var if it
1761 isn't already in the hash table.
1762 (add_referenced_tmp_var): Remove.
1763 (find_new_referenced_vars_1): Use add_referenced_var.
1764 * tree-ssa-pre.c (create_expression_by_pieces,
1765 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1766 Use add_referenced_var.
1767 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1768 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1769 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1771 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1772 vect_create_data_ref_ptr, vect_create_destination_var,
1773 vect_init_vector, vect_build_loop_niters,
1774 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1775 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1776 Use add_referenced_var.
1777 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1778 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1779 (add_referenced_var): Add prototype.
1780 * tree-ssa-structalias.c (get_constraint_for,
1781 intra_create_variable_infos): Use add_referenced_var.
1783 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1785 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1786 big-endian paradoxical subregs.
1787 * var-tracking.c (struct micro_operation_def): Document that,
1788 for modify micro operations, insn is the subsequent instruction.
1789 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1790 (var_reg_set, var_mem_set): ... new functions.
1791 (add_stores): Record subsequent insn.
1792 (compute_bb_dataflow): Use new functions for MO_USE.
1793 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1794 notes after the insn, and modify notes before the insn known
1795 to be the subsequent one.
1796 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1798 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1801 * config/i386/i386.c (ix86_expand_builtin): Use
1802 gen_sse3_monitor64 for TARGET_64BIT.
1804 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1806 PR rtl-optimization/26375
1807 PR rtl-optimization/26855
1808 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1810 (df_ru_bb_local_compute): Reversed statements and removed bogus
1811 comment explaining why they should be in wrong order.
1812 (df_ru_dump, df_rd_dump): Enhanced debug info.
1813 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1815 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1816 reaching uses and fixed space problem.
1818 2006-05-23 Jan Hubicka <jh@suse.cz>
1820 * cgraphunit.c (decide_is_function_needed): Also nested functions
1821 and functions declared inline can be optimized out at -O0.
1823 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1825 * doc/install.texi (Configuration): Remove reference to CrossGCC
1829 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1832 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1833 ix86_compare_emitted is non-NULL.
1835 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1838 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1841 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1843 PR rtl-optimization/25514
1844 * combine.c (replaced_rhs_insn): New variable.
1845 (combine_instructions): Set replaced_rhs_insn when trying to replace
1846 a SET_SRC with a REG_EQUAL note.
1847 (distribute_notes): Use replaced_rhs_insn when determining the live
1848 range of a REG_DEAD register.
1850 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1851 Anatoly Sokolov <aesok@post.ru>
1853 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1854 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1855 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1856 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1857 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1858 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1859 at90usb647, at90usb1286 and at90usb1287 devices.
1860 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1861 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1863 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1865 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1867 2006-05-22 Richard Guenther <rguenther@suse.de>
1870 2006-01-31 Richard Guenther <rguenther@suse.de>
1871 Paolo Bonzini <bonzini@gnu.org>
1873 * doc/install.texi (--disable-libgcc-math): Document.
1875 2006-05-22 Richard Guenther <rguenther@suse.de>
1878 2006-01-31 Richard Guenther <rguenther@suse.de>
1880 * doc/invoke.texi (-msselibm): Document.
1881 * target.h (expand_library_builtin): New target hook.
1882 * builtins.c (expand_builtin): Use expand_library_builtin.
1883 (default_expand_library_builtin): New function.
1884 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1885 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1886 (link_gcc_math_spec): Declare.
1887 (static_specs): Add link_gcc_math_spec.
1888 * expr.h (default_expand_library_builtin): Declare.
1889 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1890 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1891 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1892 * config/i386/i386.opt (msselibm): New target option.
1893 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1894 (ix86_init_sse_abi_builtins): New function.
1895 (ix86_expand_library_builtin): Likewise.
1896 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1897 (override_options): Handle error conditions wrt -msselibm.
1898 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1899 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1900 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1903 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1906 * c-common.c (self_promoting_args_p): Skip erroneous args.
1909 * c-decl.c (finish_struct): Skip erroneous fields.
1911 2006-05-22 Nick Clifton <nickc@redhat.com>
1913 * config/cris/cris.opt (march): Remove VarExists attribute.
1914 (max-stackframe=): Likewise.
1916 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1918 * doc/rtl.texi: Fix a typo.
1919 * see.c: Fix comment typos.
1921 * tree-ssa-structalias.h (alias_info): Remove num_references.
1923 2006-05-21 Mike Stump <mrs@apple.com>
1925 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1927 (darwin_pragma_options): Use BAD instead.
1928 (darwin_pragma_unused): Likewise.
1929 (darwin_pragma_ms_struct): Likewise.
1931 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1933 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1935 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1937 PR rtl-optimization/27671
1938 * simplify-rtx.c (simplify_relational_operation_1): Fix
1939 simplifications of (eq/ne (xor x y) y) and
1940 (eq/ne (xor x y) x).
1942 PR tree-optimization/26622.
1943 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1946 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1948 * tree-cfg.c: Prune whitespace.
1949 (debug_tree_cfg): Point to correct header containing the
1952 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1955 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1957 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1960 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1961 or sorry count is non zero.
1963 2006-05-20 Andreas Schwab <schwab@suse.de>
1965 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1967 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1968 Kenneth Zadeck <zadeck@naturalbridge.com>
1970 PR rtl-optimization/26855
1972 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1974 (df_scan_alloc): Added code to properly handle multiword hard
1975 registers and add all_blocks parameter.
1976 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1977 code to properly handle multiword hard registers.
1978 (df_rescan_blocks): Added code to remove deleted blocks from
1980 (df_ref_create_structure, df_ref_record): Added code to properly
1982 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1983 and set DF_REF_PARTIAL.
1984 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1985 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1986 (df_scan_add_problem): Added flags parameter.
1987 (df_ref_create_structure): Changed switching structure.
1988 (df_bb_refs_record): Fixed case where duplicate artificial refs
1989 were created. Changed location of flags.
1990 (df_record_entry_block_defs): Added code to make stack pointer
1991 live in entry block. Refined cases where frame pointer is needed.
1992 Changed location of flags.
1993 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1994 (df_set_state): Removed function.
1995 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1996 df_insn_create_insn_record, df_insn_refs_delete,
1997 df_ref_create_structure): Formatting changes.
1998 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1999 df_delete_basic_block): New function.
2000 (df_init): Changed location of flags.
2001 (df_add_problem): Added flags parameter and the way flags are
2003 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2004 debug_df_chain): Improved debugging output.
2005 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2006 (df_refs_chain_dump): Removed df parameter.
2007 (df_iterative_dataflow): Added consistency check.
2008 (df_prune_to_subcfg): Made public.
2009 (df_analyze_problem): Added blocks_to_init parameter and made
2011 (df_ref_record, df_bb_refs_record, df_mark_reg,
2012 df_record_exit_block_uses): Whitespace changes.
2013 (df_dump): Whitespace changes.
2014 * df.h: Some reordering to remove forward references.
2015 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2016 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2017 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2018 (dataflow.flags): New field.
2019 (df.flag): Deleted field.
2020 (df_alloc_function): Added additional bitmap parameter.
2021 (df_dependent_problem_function): New type.
2022 (df_problem.changeable_flags): New field.
2023 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2024 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2025 (df_mw_hardreg): New struct.
2026 (DF_INSN_UID_MWS): New macro.
2027 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2029 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2030 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2031 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2032 (df_set_state): Removed function.
2033 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2034 * df-problems.c (df_chain_dump): Removed df parameter.
2035 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2036 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2038 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2039 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2040 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2041 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2042 DF_REF_MUST_CLOBBER cases.
2043 (df_ru_bb_local_compute_process_def,
2044 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2045 df_lr_bb_local_compute, df_ur_bb_local_compute,
2046 df_chain_create_bb): Made subreg aware.
2047 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2048 df_lr_bb_local_compute, df_lr_bb_local_compute,
2049 df_chain_create_bb): Cleanup to use proper macros.
2050 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2051 code to fixup bitvectors.
2052 (df_ri_alloc): Cleared lifetime.
2053 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2054 df_create_unused_note): New function.
2055 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2056 REG_DEAD and REG_UNUSED notes as well as register information.
2057 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2058 df_chains_dump): Fixed crash if problem was never run.
2059 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2060 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2061 df_ri_add_problem): Processes flags in uniform manner.
2062 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2063 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2064 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2065 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2066 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2067 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2068 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2069 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2070 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2071 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2072 * see.c (see_initialize_data): Ditto.
2073 * final.c (rest_of_clean_state) Added regstack_completed.
2074 * rtl.h (regstack_completed): Ditto.
2075 * reg-stack.c (regstack_completed): Ditto.
2077 2006-05-19 Mike Stump <mrs@apple.com>
2079 * c-tree.h (default_conversion): Remove.
2080 * c-common.h (default_conversion): Add.
2082 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2084 * tree-vrp.c (valid_value_p): New function.
2085 (adjust_range_with_scev): Fail if the value of bound is not
2088 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2090 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2091 (mips_fallback_frame_state): Use syscall numbers to determine
2092 the appropriate li instruction for the current ABI. Only use
2093 __NR_sigreturn for o32.
2095 2006-05-19 Nicolas Setton <setton@adacore.com>
2097 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2098 * langhooks.c (lhd_dwarf_name): New function.
2099 * langhooks-def.h (lhd_dwarf_name): Declare.
2100 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2101 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2102 * ada/misc.c (gnat_dwarf_name): New function.
2103 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2105 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2107 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2109 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2110 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2111 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2112 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2113 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2114 determine the size of Wtype, etc.
2115 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2116 (swfloatfuncs): New variable.
2117 (dwfloatfuncs): Likewise.
2118 (lib2funcs): Remove floating-point conversion functions from
2119 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2120 the set of conversion routines needed. Allow entries to specify
2121 an object name, filename and word size. Update users accordingly.
2122 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2123 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2127 2006-02-08 Roger Sayle <roger@eyesopen.com>
2130 * config/fixtfdi.c: New libgcc source file.
2131 * config/fixunstfdi.c: New source file.
2132 * config/floatditf.c: New source file.
2133 * config/floatunditf.c: New souce file.
2134 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2135 files above instead of config/mips/_tilib.c.
2136 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2138 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2140 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2141 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2143 2006-05-18 Mike Stump <mrs@apple.com>
2145 Fix up vla, vm and [*] sematics.
2151 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2152 (c_vla_unspec_p): Add.
2153 (c_vla_type_p): Add.
2154 * c-decl.c (struct c_scope): Add had_vla_unspec.
2155 (build_array_declarator): Add support for [*].
2156 (grokdeclarator): Likewise.
2157 (grokparms): Likewise.
2158 (get_parm_info): Likewise.
2159 * c-objc-common.c (c_vla_unspec_p): Likewise.
2160 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2161 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2162 typeof when argument is a variably modified type not inside sizeof or alignof.
2163 (c_parser_direct_declarator_inner): Propagate errors.
2164 (c_parser_sizeof_expression): Add support for [*].
2165 (c_parser_parms_declarator): Initialize had_vla_unspec.
2166 (c_parser_parms_list_declarator): Likewise.
2167 * c-typeck.c (c_vla_type_p): Add.
2168 (composite_type): Add support for vla compositing.
2169 (comptypes_internal): Add support for vla compatibility.
2170 (c_expr_sizeof_expr): Evaluate vla arguments.
2171 * tree.c (variably_modified_type_p): Update comment for [*].
2173 2006-05-18 Michael Matz <matz@suse.de>
2176 * config.host: Make assignments to host_xmake_file cumulative.
2177 * config.host (*-darwin*): Test $host, not $target.
2179 2006-05-12 Stuart Hastings <stuart@apple.com>
2181 * config/i386/i386.opt (-mstackrealign): New flag.
2182 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2183 (ix86_handle_cconv_attribute): Emit error when
2184 force_align_arg_pointer attribute collides with too many regparms.
2185 (ix86_function_regparm): Limit regparms when used with
2186 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2187 Support stack-realigning prologue in non-main functions. Emit
2188 warning for nested functions under -mstackrealign, emit error for
2189 nested functions with force_align_arg_pointer attribute.
2190 * doc/extend.texi (force_align_arg_pointer): Document it.
2191 * doc/invoke.texi (-mstackrealign): Document it.
2193 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2195 PR rtl-optimization/27477
2196 * combine.c (try_combine): Don't split a parallel consisting
2197 of two sets into two individual sets if both sets reference
2200 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2202 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2203 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2205 * doc/options.texi (VarExists): Updated.
2207 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2209 * unwind-dw2.c: Add declarations for uw_update_context and
2211 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2212 detected, advance frame state and context once to skip over stub.
2214 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2218 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2219 Call rewrite_into_loop_closed_ssa only when something changed.
2220 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2221 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2222 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2223 Test for perfect_nest_p here. Fix formating.
2224 (replace_uses_equiv_to_x_with_y): Fix formating.
2225 (stmt_uses_op): Removed.
2226 (can_convert_to_perfect_nest): Removed loopivs parameter.
2227 Complete the test by checking the scalar dependences.
2228 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2231 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2234 From Dan Kegel <dank@kegel.com>:
2235 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2237 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2239 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2240 if the element type is variably modified without recursing.
2242 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2245 * tree-loop-linear.c (try_interchange_loops): Test for
2246 no data dependences.
2248 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2250 PR tree-optimization/27548
2251 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2252 range of ssa names that appear on abnormal edges.
2253 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2254 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2256 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2259 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2261 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2264 * tree.h (OMP_PARALLEL_COMBINED): Define.
2265 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2266 (new_omp_context): Add is_combined_parallel argument.
2267 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2268 new_omp_context caller.
2269 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2270 Adjust gimplify_scan_omp_clauses callers.
2271 (omp_is_private): Issue errors if iteration variable is firstprivate
2272 or reduction in the current context.
2273 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2274 on combined parallel workshare constructs.
2276 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2278 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2279 (gcc-options.o): New rule.
2281 * optc-gen.awk: Protect variables for gcc-options.o with
2282 #ifdef GCC_DRIVER/#endif.
2284 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2286 Fix PR tree-optimization/27373
2287 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2288 (forward_propagate_addr_expr): Update call.
2290 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2292 * doc/options.texi: Move the Negative option.
2294 2006-05-16 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/22303
2297 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2299 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2300 ccp_fold did not simplify the statement.
2302 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2305 * Makefile.in (GCC_OBJS): New.
2306 (OBJS-common): Add opts-common.o.
2307 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2308 (cpp$(exeext)): Likewise.
2309 (gcc.o): Also depend on opts.h.
2310 (opts-common.o): New.
2312 * common.opt (gcoff): Add Negative(gdwarf-2).
2313 (gdwarf-2): Add Negative(gstabs).
2314 (gstabs): Add Negative(gstabs+).
2315 (gstabs+): Add Negative(gvms).
2316 (gvms): Add Negative(gxcoff).
2317 (gxcoff): Add Negative(gxcoff+).
2318 (gxcoff+): Add Negative(gcoff).
2319 * config/i386/i386.opt (m32): Add Negative(m64).
2320 (m64): Add Negative(m32).
2322 * doc/options.texi: Document the Negative option.
2324 * gcc.c: Include "opts.h".
2325 (main): Call prune_options after expandargv.
2327 * optc-gen.awk: Generate common declarations for all flag
2328 variables in options.c. Output the neg_index field.
2330 * opts.c (find_opt): Moved to ...
2331 * opts-common.c: Here. New file.
2333 * opts.h (cl_option): Add a neg_index field.
2335 (prune_options): Likewise.
2337 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2340 * omp-low.c (expand_omp_parallel): Don't assert
2341 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2342 instead search for it.
2345 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2348 2006-05-16 Andreas Schwab <schwab@suse.de>
2350 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2353 2006-05-15 Roger Sayle <roger@eyesopen.com>
2356 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2357 integer constants other than zero are only legitimate on TARGET_64BIT.
2358 <CONST_VECTOR> Only zero vectors are legitimate.
2359 (ix86_cannot_force_const_mem): Integral and vector constants can
2360 always be put in the constant pool.
2362 2006-05-16 DJ Delorie <dj@redhat.com>
2364 * crtstuff.c (__dso_handle): Set section from
2365 TARGET_LBIGCC_SDATA_SECTION if defined.
2366 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2367 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2369 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2372 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2375 2006-05-16 Ben Elliston <bje@au.ibm.com>
2377 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2379 2006-05-15 Per Bothner <per@bothner.com>
2381 * tree.c: (last_annotated_node): Use source_locus typedef.
2382 This permits bootstrapping with --enable-mapped-location.
2384 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2386 PR tree-optimization/26830
2387 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2388 (info_for_ssa_name, current_info_for_ssa_name_age,
2389 blocks_to_update): New variables.
2390 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2391 (clear_ssa_name_info, initialize_flags_in_bb,
2392 mark_block_for_update): New functions.
2393 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2394 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2395 prepare_def_site_for): Use mark_block_for_update.
2396 (mark_def_interesting): Assert that the processed block is marked in
2397 blocks_to_update. Do not take blocks argument.
2398 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2400 (rewrite_update_init_block, rewrite_update_stmt): Only process
2401 blocks with statements to rewrite.
2402 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2403 (update_ssa): Initialize and free blocks_to_update. Do not
2404 clear flags on statements. Do not use blocks bitmap.
2405 * tree.h (SSA_NAME_AUX): Removed.
2406 (struct tree_ssa_name): Removed aux field.
2407 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2409 2006-05-15 Richard Guenther <rguenther@suse.de>
2411 PR tree-optimization/27603
2412 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2413 Do computations in original type.
2415 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2417 * see.c: Code style changes such as redundant paranthesis,
2418 redundant intialization of local variables etc.
2419 (see_main): Declared now as static.
2420 * doc/invoke.texi: Update that -fsee is not enabled by
2423 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2425 * omp-low.c (check_omp_nesting_restrictions): New function.
2426 (scan_omp_1): Call it.
2429 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2430 construct, return *VAR.
2432 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2434 PR rtl-optimization/27406
2435 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2438 2006-05-14 Roger Sayle <roger@eyesopen.com>
2440 PR rtl-optimization/27538
2441 * combine.c (expand_compound_operation): Call gen_lowpart
2442 before calling simplify_shift_const.
2444 2006-05-14 Roger Sayle <roger@eyesopen.com>
2446 PR rtl-optimization/22563
2447 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2448 a fixed width bitfield, always force the intermediates into psuedos.
2450 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2453 * mkconfig.sh: Use operator = instead of == for test.
2455 2006-05-13 Nick Clifton <nickc@redhat.com>
2457 * dwarf2out.c (dbx_reg_number): Check return value from
2458 LEAF_REG_REMAP and only use it if it is valid.
2459 (multiple_reg_loc_descriptor): Likewise.
2461 2006-05-13 Richard Guenther <rguenther@suse.de>
2463 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2466 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2468 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2469 information attached to non-INSNs such as NOTEs.
2470 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2472 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2474 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2476 * config/s390/s390.md: Adjust comment describing On constraint.
2478 2006-05-11 Jan Hubicka <jh@suse.cz>
2480 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2481 to be output at -O0.
2483 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2486 * fold-const.c (size_binop): Move sanity check for arguments to
2487 the beginning of the function.
2490 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2493 2006-05-11 Richard Guenther <rguenther@suse.de>
2496 * fold-const.c (fold_unary): Handle intermediate conversion
2497 to a pointer type like intermediate conversion to an integer
2498 type in folding of (T1)(T2)var to var.
2499 Match the code to the comment in the final conversion for
2500 (T1)(T2)var to (T1)var regarding to type precision. Rather
2501 than disallow T1 being of pointer type, assert that both T1
2502 and var are of pointer type or not. Make sure not to fall
2503 over the frontends lazyness wrt array to pointer decay though.
2505 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2507 * arm.c (arm_struct_value_rtx): Delete.
2508 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2509 (arm_init_cumulative_args): Always initialize nregs to zero.
2511 2006-05-10 Richard Guenther <rguenther@suse.de>
2513 PR tree-optimization/27532
2514 * tree-object-size.c (plus_expr_object_size): Fix typo.
2516 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2519 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2520 ashrdi_const, ashrdi3): Use a scratch register.
2522 2006-05-10 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/27302
2525 * fold-const.c (operand_equal_p): For two comparisons,
2526 try comparison of one comparison code swapped if that yields
2529 2006-05-10 Ben Elliston <bje@au.ibm.com>
2531 * tree-pretty-print.c (pretty_print_string): No need to handle
2532 '\0' as a special character.
2534 * tree.h: Include "hashtab.h".
2535 (iterative_hash_expr): Use hashval_t in its prototype.
2536 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2538 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2541 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2542 (hppa*64*-*-hpux11*): Ditto.
2543 (hppa[12]*-*-hpux11*): Ditto.
2545 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2548 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2550 2006-05-09 Michael Matz <matz@suse.de>
2552 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2553 host_extra_gcc_objs and host_xmake_file.
2554 (<*-*-linux*>): Don't overwrite host_xmake_file.
2555 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2556 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2557 (host_detect_local_cpu): Declare.
2558 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2559 * config/i386/i386.c (override_options): Handle -mtune=native
2561 * config/i386/x-i386: New file.
2562 * config/i386/driver-i386.c: New file.
2563 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2566 2006-05-09 Dirk Mueller <dmueller@suse.de>
2567 Richard Guenther <rguenther@suse.de>
2570 * fold-const.c (fold_read_from_constant_string): Relax check
2571 for matching types to matching modes.
2573 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2575 PR rtl-optimization/27335
2576 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2579 2006-05-08 Chao-ying Fu <fu@mips.com>
2580 Richard Sandiford <richard@codesourcery.com>
2582 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2583 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2584 * config/mips/mips.md (UNSPEC_SCC): New constant.
2585 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2586 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2587 (mips_emit_compare): Use it.
2588 (mips_expand_vcondv2sf): New function.
2590 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2592 Fix PR tree-optimization/27093
2593 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2594 renaming when they become not-used_alone.
2596 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2598 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2599 relocation and relocation stubs.
2601 2006-05-08 Eric Christopher <echristo@apple.com>
2603 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2606 2006-05-08 Jan Hubicka <jh@suse.cz>
2609 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2610 unused static functions are needed.
2612 2006-05-08 Roger Sayle <roger@eyesopen.com>
2615 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2616 of a reg_equiv_constant if the result is a legitimate constant.
2618 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2621 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2622 standard 80387 constants, raise the cost to prevent
2623 compress_float_constant() to generate load from memory.
2625 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2627 * config/arm/constraints.md (c): Fix a typo.
2629 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2632 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2635 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2637 (_mm_mwait): Likewise.
2639 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2641 (sse3_monitor): Make it 32bit only.
2642 (sse3_monitor64): New. 64bit monitor.
2644 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2647 * config/i386/i386.c (classify_argument): Skip fields with invalid
2650 2006-05-07 Richard Guenther <rguenther@suse.de>
2652 PR tree-optimization/27409
2653 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2654 Do not try to find zero-sized subvars.
2656 2006-05-07 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/27136
2659 * tree-ssa-loop-niter.c (get_val_for): Correct function
2660 comment, assert requirements.
2661 (loop_niter_by_eval): Stop processing if the iterated
2662 value did not simplify.
2664 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2666 * opts.c (flag_see): remove its setting at -O3.
2668 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2670 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2671 * arm/constraints.md: New file.
2672 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2673 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2674 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2675 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2676 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2677 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2678 * arm.md: Include constraints.md.
2679 (thumb_movsi_insn): Use satisfies_constraint_J.
2680 (movhi, movqi): Use satisfies_constraint_I.
2682 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2684 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2685 for atmeg a645 device.
2687 2006-05-06 Richard Guenther <rguenther@suse.de>
2689 PR tree-optimization/27151
2690 * tree-vect-transform.c (vectorizable_condition): Punt on
2691 values that have a different type than the condition.
2693 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2696 * c-parser.c (c_parser_cast_expression): Only insert casts into
2697 hash table if pointer.
2698 * function.c (used_types_insert_helper): Rename from
2700 (used_types_insert): Call used_types_insert_helper.
2701 * function.h (used_types_insert): Accept only one argument.
2703 2006-05-05 David Edelsohn <edesohn@gnu.org>
2705 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2706 scratch with output modifier.
2708 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2711 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2712 with output modifier.
2714 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2717 * config/mips/mips.c (mips_symbolic_address_p): Return true
2718 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2719 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2721 2006-05-04 Richard Guenther <rguenther@suse.de>
2723 PR tree-optimization/14287
2724 PR tree-optimization/14844
2725 PR tree-optimization/19792
2726 PR tree-optimization/21608
2727 PR tree-optimization/27090
2728 * tree-ssa-pre.c (try_combine_conversion): New function.
2729 (compute_avail): After constructing the value-handle
2730 expression, use try_combine_conversion to combine NOP_EXPRs
2731 with previous value-handle expressions and use the result if it
2734 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2736 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2738 2006-05-04 Jan Hubicka <jh@suse.cz>
2741 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2743 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2745 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2746 that this only matches CONST_INTs. All users changed to VOIDmode
2749 * config/bfin/bfin.c: Include "optabs.h".
2750 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2752 (enum bfin_builtins): Add a number of fractional and vector builtins.
2753 (bfin_init_builtins): Likewise.
2754 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2755 (safe_vector_operand, bfin_expand_binop_builtin,
2756 bfin_expand_unop_builtin): New functions.
2757 (bfin_expand_builtin): Handle the new builtins.
2758 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2761 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2764 * Makefile.in (OBJS-common): Add see.o.
2765 (see.o): Add dependencies.
2766 * common.opt (fsee): New flag for the see optimization was added.
2767 * opts.c (flag_see): Initialized.
2768 * passes.c (init_optimization_passes, pass_see): New pass.
2769 * rtl.h (see_main): Declaration as extern.
2770 * timevar.def (TV_SEE): New.
2771 * tree-pass.h (pass_see): Declaration as extern.
2772 * invoke.texi (-fsee): Document.
2773 * recog.c (validate_simplify_insn): New function.
2774 * recog.h (validate_simplify_insn): Declaration as extern.
2775 * df-problems.c (df_chain_dump): Check for NULL.
2777 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2778 Daniel Berlin <dberlin@dberlin.org>
2780 * cfgrtl.c (insert_insn_bb_end_new): New function.
2781 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2783 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2785 * df.h (struct web_entry): Moved from web.c.
2786 (union_defs): Declaration as extern.
2787 (unionfind_root): Likewise.
2788 (unionfind_union): Likewise.
2789 * web.c (struct web_entry): Moved to df.h.
2790 (unionfind_root): Remove static declaration.
2791 (unionfind_union): Likewise.
2792 (union_defs): Likewise and generalize to use callback function.
2793 (web_main): Update arguments for union_defs function call.
2795 2006-05-04 Richard Guenther <rguenther@suse.de>
2797 PR tree-optimization/26447
2798 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2799 produce SSA_NAME copies before the store stmt to avoid
2800 breaking exception handling.
2802 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2805 * gimplify.c (omp_is_private): If var is shared in some outer context,
2806 return false instead of true. Stop searching on parallel context
2809 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2812 * coverage.c: Use get_gcov_unsigned_t() instead of
2813 unsigned_type_node all over.
2815 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2817 PR tree-optimization/27381
2818 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2819 maintain the same immediate_use links.
2820 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2821 node rather than segfaulting.
2823 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2826 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2827 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2828 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2830 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2832 Fix PR tree-optimization/26626
2833 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2835 * tree-ssa-operands.c (access_can_touch_variable): Allow
2836 typecasting through union pointers.
2838 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2841 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2842 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2843 to find if var will be a global variable even in the nested context.
2844 (omp_copy_decl): Only check for global variable at the end, it might
2845 be overridden in outer contexts.
2846 (scan_sharing_clauses): For global variables don't create a field.
2847 (lower_rec_input_clauses): Do nothing for global shared variables.
2848 Emit a barrier at the end of ILIST if there were any decls in both
2849 firstprivate and lastprivate clauses.
2850 (lower_send_clauses): Do nothing for global variables except for
2853 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2855 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2856 of the correct signedness is returned.
2858 2006-05-02 Jeff Law <law@redhat.com>
2860 PR tree-optimization/27364
2861 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2862 multiply expressions.
2864 2006-05-02 Tom Tromey <tromey@redhat.com>
2866 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2868 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2871 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2872 -mthumb -fPIC are used.
2874 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2875 Joshua Kinard <kumba@gentoo.org>
2878 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2879 with 64-bit pointers.
2881 2006-05-02 Paul Brook <paul@codesourcery.com>
2883 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2885 (create_fix_barrier): Check that a suitable barrier location is
2887 (arm_reorg): Include ftmp->address in allowable range of addresses.
2889 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2892 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2895 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2898 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2899 around RESULT_DECL for result passed by reference.
2900 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2901 * omp-low.c (use_pointer_for_field): Don't look at
2902 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2903 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2904 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2905 time or var for passing by reference for
2906 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2907 TREE_ADDRESSABLE variables when passing by reference.
2909 * omp-low.c (dump_omp_region): Fix output formatting.
2912 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2913 (expand_omp_parallel): Likewise.
2914 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2917 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2918 on statement list containing also constructors and destructors.
2919 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2922 * except.c (duplicate_eh_regions): Fix clearing of
2923 cfun->eh->region_array entries.
2925 2006-05-01 DJ Delorie <dj@redhat.com>
2927 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2929 (gcc_cv_objdump): Likewise.
2930 * configure: Regenerated.
2932 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2935 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2936 templates for case 3 and 4.
2938 2006-05-01 DJ Delorie <dj@redhat.com>
2940 * vec.c: Include bconfig.h when appropriate.
2941 * Makefile.in (build/vec.o): Adjust dependencies.
2942 * mkconfig.sh: Make sure config.h isn't used for build machine
2945 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2947 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2949 (mark_phi_for_rewrite): New function.
2950 (insert_phi_nodes_for, mark_use_interesting): Call
2951 mark_phi_for_rewrite.
2952 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2953 (update_ssa): Initialize and free phis_to_rewrite.
2955 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2957 PR rtl-optimization/27291
2958 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2959 folded to a constant.
2961 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2963 PR tree-optimization/27283
2964 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2965 not whole # of iteration descriptions.
2966 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2967 uses abnormal ssa name.
2968 (niter_for_single_dom_exit): Ditto.
2969 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2970 return just the number of iterations.
2972 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2974 PR tree-optimization/27144
2975 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2976 (record_estimate): Only record constant upper bound.
2977 (infer_loop_bounds_from_undefined): Call
2978 compute_estimated_nb_iterations just once.
2979 (proved_non_wrapping_p): Renamed to ...
2980 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2981 (convert_step_widening, scev_probably_wraps_p): Call
2982 n_of_executions_at_most instead of proved_non_wrapping_p.
2983 (substitute_in_loop_info): Do not replace values in bounds.
2984 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2987 2006-05-01 Richard Henderson <rth@redhat.com>
2990 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2991 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2994 2006-05-01 Roger Sayle <roger@eyesopen.com>
2996 * c-typeck.c (parser_build_binary_op): Don't call the function
2997 unsigned_conversion_warning to spot operand/result type overflow.
2998 (build_binary_op): Instead, call convert_and_check instead of
2999 convert to report the problem when the operands are promoted.
3000 * c-common.c (unsigned_conversion_warning): Make static.
3001 * c-common.h (unsigned_conversion_warning): Delete prototype.
3003 2006-05-01 Richard Guenther <rguenther@suse.de>
3005 PR tree-optimization/26726
3006 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3008 (find_interesting_uses_address): ... we work around here
3009 by folding INDIRECT_REFs in the substituted base.
3011 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3013 * omp-low.c (dump_omp_region): Add newlines.
3015 2006-04-30 Roger Sayle <roger@eyesopen.com>
3017 * common.opt (Woverflow): New command line option.
3018 * c-common.c (constant_expression_warning): Check warn_overflow.
3019 (overflow_waring): Pass OPT_Woverflow to warning.
3020 (unsigned_conversion_warning): Likewise.
3021 (convert_and_check): Likewise.
3022 * doc/invoke.texi: Document new command line option.
3024 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3026 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3027 TARGET_NO_FP_IN_TOC for section anchors.
3028 (optimization_options): Enable section anchors for all
3029 non-"Objective" languages.
3031 2006-04-28 Eric Christopher <echristo@apple.com>
3033 * config/darwin-c.c (darwin_ms_struct): Move this
3034 (darwin_set_default_type_attributes): and this...
3035 * config/darwin.c: ... here.
3036 * config/darwin.h (darwin_ms_struct): Declare.
3038 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3042 2006-04-28 Roger Sayle <roger@eyesopen.com>
3045 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3046 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3047 an unsigned HOST_WIDE_INT.
3048 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3050 (really_start_incremental_init): No need to call convert because
3051 bitsize_zero_node is already of type bitsizetype.
3052 (push_init_level): Extract the value of constructor_index as an
3053 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3054 (process_init_element): Likewise.
3056 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3058 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3059 value before passing to make_relative_prefix.
3061 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3064 * builtins.c (expand_builtin_memset): Expand val in original mode.
3066 2006-04-27 Eric Christopher <echristo@apple.com>
3068 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3069 with #ifndef/#endif.
3070 * config/darwin-c.c (darwin_ms_struct): New.
3071 (darwin_pragma_ms_struct): Ditto.
3072 (darwin_set_default_type_attributes): Ditto.
3073 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3074 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3075 Register ms_struct pragma.
3076 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3077 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3078 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3079 darwin_set_default_type_attributes if TARGET_MACHO.
3081 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3083 PR tree-optimization/26854
3084 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3085 * doc/tree-ssa.texi: Update immuse iterator documentation.
3086 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3087 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3088 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3089 first_safe_imm_use, next_safe_imm_use): Remove.
3090 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3091 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3092 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3093 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3094 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3095 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3096 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3097 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3098 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3099 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3100 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3101 (perfect_nestify): Use new iterator.
3102 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3104 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3105 (next_imm_name): New field in struct immediate_use_iterator_d.
3106 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3107 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3108 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3109 * tree-cfg.c (replace_uses_by): Use new iterator.
3110 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3111 * tree-ssa-operands.c (correct_use_link): Remove.
3112 (finalize_ssa_use_ops): No longer call correct_use_link.
3114 2006-04-27 Stuart Hastings <stuart@apple.com>
3116 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3117 * config/t-darwin (crt3.o): Use it.
3118 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3119 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3120 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3121 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3122 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3125 2006-04-27 Roger Sayle <roger@eyesopen.com>
3127 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3128 size, force the intermediate into a new pseudo rather instead of
3129 performing both a bitwise AND and a bitwise IOR in memory.
3131 2006-04-27 Richard Guenther <rguenther@suse.de>
3133 PR rtl-optimization/26685
3134 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3135 this one "max-flow-memory-locations".
3137 2006-04-27 Richard Guenther <rguenther@suse.de>
3139 PR tree-optimization/25148
3140 * tree-vrp.c (compare_values): Remove code dealing with
3141 comparisons against type min/max value. Honour overflow
3142 and negative constants in code dealing with comparisons
3143 of plus and minus expressions.
3144 (value_inside_range): Use fold_binary with LE_EXPR and
3145 GE_EXPR rather than compare_values.
3147 2006-04-27 Dirk Mueller <dmueller@suse.de>
3149 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3152 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3154 * basic-block.h (safe_insert_insn_on_edge): Removed.
3155 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3157 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3158 Paolo Bonzini <bonzini@gnu.org>
3161 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3162 (simplify_and_const_int): Same.
3164 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3166 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3168 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3171 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3172 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3173 cgraph_global_info_ready.
3176 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3179 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3180 either decl or init is error_mark_node.
3183 * tree-flow.h (struct omp_region): Add sched_kind.
3184 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3185 instead of extracting omp for data.
3186 (expand_omp_for): Save extracted sched_kind.
3188 2006-04-25 Roger Sayle <roger@eyesopen.com>
3190 * expmed.c (store_bit_field): Also check whether the bitsize is
3191 valid for the machine's "insv" instruction before moving the
3192 target into a pseudo for use with the insv.
3193 * config/i386/predicates.md (const8_operand): New predicate.
3194 * config/i386/i386.md (extv, extzv, insv): Use the new
3195 const8_operand predicate where appropriate.
3197 2006-04-25 DJ Delorie <dj@redhat.com>
3199 * doc/install.texi (Specific): Clarify that this is not a list of
3200 supported hosts or targets.
3202 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3204 PR rtl-optimization/26725
3205 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3206 block's BB_DIRTY flag.
3208 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3210 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3213 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3214 to print an integer.
3216 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3218 * varasm.c (align_variable): New function.
3219 (get_block_for_decl): Apply align_variable to DECL before
3220 calculating section information.
3221 (assemble_variable): Split out alignment computation.
3223 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3225 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3228 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3230 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3231 MODE_PARTIAL_INT mode.
3232 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3233 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3235 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3236 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3238 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3240 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3242 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3243 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3244 MACFLAG_IH): Likewise.
3245 (movstricthi_1): Renamed from "*movstricthi".
3246 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3247 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3248 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3249 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3250 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3251 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3252 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3253 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3254 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3255 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3256 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3257 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3258 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3259 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3260 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3262 * doc/rtl.texi (ss_ashift): Improve wording.
3264 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3266 * dwarf2out.c (verify_marks_clear): New.
3267 (prune_unused_types): Call verify_marks_clear initially, not
3270 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3272 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3273 * doc/rtl.texi: Document them.
3274 * simplify-rtx.c (simplify_unary_operation,
3275 simplify_binary_operation_1): Don't abort when we see them.
3277 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3280 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3281 * configure.ac: Completely disregard languages that are not
3283 * configure: Regenerated.
3285 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3286 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/27236
3289 * tree-inline.c (copy_body_r): Make sure to copy
3290 TREE_THIS_VOLATILE flag.
3292 2006-04-24 Richard Guenther <rguenther@suse.de>
3295 * tree-complex.c (update_parameter_components): Don't handle
3296 unused parameters which have no default def.
3298 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3299 Richard Guenther <rguenther@suse.de>
3301 PR tree-optimization/27218
3302 * tree-inline.c (expand_call_inline): Strip useless type
3303 conversions for the return slot address.
3305 2006-04-24 Richard Guenther <rguenther@suse.de>
3307 * cfgloop.h (struct loops): Remove unused field array. Reorder
3309 (LOOP_PREFETCH): Remove.
3311 2006-04-24 Richard Guenther <rguenther@suse.de>
3313 PR tree-optimization/22525
3314 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3315 variable, adjust types of generated expressions.
3317 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3319 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3320 (tree-vect-patterns.o): Likewise.
3322 (cselib.o): Likewise.
3323 (loop-doloop.o): Likewise.
3324 (regclass.o): Likewise.
3325 (reload1.o): Likewise.
3326 (explow.o): Replace target.h with $(TARGET_H).
3327 (ipa-prop.o): Likewise.
3328 (ipa-cp.o): Likewise.
3329 (ipa-inline.o): Likewise.
3330 (reorg.o): Likewise.
3331 (reg-stack.o): Likewise.
3333 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3335 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3337 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3339 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3341 * configure.ac: Completely disregard languages that are not
3343 * configure: Regenerated.
3346 * c-common.h (c_build_bitfield_integer_type): Declare.
3347 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3348 * c-common.c (c_build_bitfield_integer_type): ... here.
3350 2006-04-23 Roger Sayle <roger@eyesopen.com>
3353 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3354 a SImode SUBREG of a floating point register after no_new_pseudos.
3356 2006-04-23 Roger Sayle <roger@eyesopen.com>
3358 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3359 identify potentially eliminable registers to additionally catch
3360 VIRTUAL_INCOMING_ARGS_REGNUM.
3361 (addsi3): Update the conditions on when to use addsi_small_int.
3363 2006-04-23 Roger Sayle <roger@eyesopen.com>
3366 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3367 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3368 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3370 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3372 * fold-const.c (range_predecessor): Use operand_equal_p
3373 as the predicate for equality.
3374 (range_successor): Likewise.
3376 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3379 * config/soft-fp/op-common.h: Fix a typo.
3381 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3384 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3385 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3387 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3389 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3391 * doc/tm.texi: Fix a typo.
3393 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3395 * dwarf2out.c (struct die_struct): Document that die_sib makes
3396 a circular linked list.
3397 (FOR_EACH_CHILD): New.
3398 (reverse_die_lists): Delete.
3399 (reverse_all_dies): Delete.
3400 (add_dwarf_attr): Correct documentation.
3401 (remove_child_with_prev): New.
3402 (remove_child_TAG): Update for change to die_struct, use
3403 remove_child_with_prev.
3404 (add_child_die): Update for change to die_struct.
3405 (splice_child_die): Use remove_child_with_prev and add_child_die.
3406 (print_die): Use FOR_EACH_CHILD.
3407 (die_checksum): Likewise.
3408 (assign_symbol_names): Likewise.
3409 (output_location_lists): Likewise.
3410 (build_abbrev_table): Likewise.
3411 (calc_die_sizes): Likewise.
3412 (mark_dies): Likewise.
3413 (unmark_dies): Likewise.
3414 (unmark_all_dies): Likewise.
3415 (output_die): Likewise.
3416 (prune_unused_types_mark): Likewise.
3417 (prune_unused_types_walk): Likewise.
3418 (same_die_p): Update for change to die_struct.
3419 (break_out_includes): Likewise.
3420 (prune_unused_types_prune): Likewise.
3421 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3422 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3424 (dwarf2out_finish): Don't call reverse_all_dies.
3426 2006-04-21 Eric Christopher <echristo@apple.com>
3428 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3429 in comments and function names.
3431 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3434 * c-typeck.c (digest_init): Robustify.
3436 * c-typeck.c (pop_init_level): Simplify.
3438 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3440 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3442 2006-04-21 Paul Brook <paul@codesourcery.com>
3444 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3445 hardware floating point.
3447 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3449 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3452 2006-04-21 Nick Clifton <nickc@redhat.com>
3454 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3457 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3460 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3461 C++ lang type in traceback table for Objective-C++.
3463 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3465 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3467 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3469 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3472 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3473 were errors. Remove check for erroneous objects.
3475 2006-04-20 Jeff Law <law@redhat.com>
3477 PR tree-optimization/26854
3478 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3479 checking for zero or one use.
3480 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3481 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3482 * tree-ssa-reassoc.c (negate_value): Similarly.
3483 (reassociate_bb): Similarly.
3485 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3487 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3488 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3489 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3491 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3493 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3494 fp regs if the last fp arg doesn't fit in regs.
3496 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3499 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3500 that the last insn has the REG_INC note.
3502 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3503 Nathan Sidwell <nathan@codesourcery.com>
3506 * stor-layout.c (update_alignment_for_field): Do not align
3508 (place_union_field): Place union field at the start of the union.
3509 (place_field): Move ERROR_MARK check later, and use the current
3510 allocation position to maintain monotonicity.
3512 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3514 * dominance.c: Include timevar.h.
3515 (calculate_dominance_info): Use TV_DOMINANCE.
3516 * timevar.def (TV_DOMINANCE): New timevar.
3517 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3519 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3521 PR rtl-optimization/14261
3522 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3523 move would be an INSV insn.
3524 (noce_process_if_block): Don't optimize if the destination is a
3525 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3527 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3529 * config/s390/s390.md: Add comments with the instructions emitted
3530 by an insn pattern if macros are used.
3532 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3534 PR rtl-optimization/26026
3535 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3536 is a known power of two shifted left a variable amount.
3538 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3540 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3541 to hash table twice when the debug_str section has SECTION_MERGE.
3543 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3545 * config/soft-fp: New directory. From glibc.
3546 * config/soft-fp/t-softfp: New.
3547 * config/soft-fp/README: New.
3548 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3549 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3550 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3551 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3552 * config.gcc: Use rs6000/t-fprules-fpbit or
3553 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3555 * config/rs6000/sfp-machine.h: New. Based on glibc.
3556 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3558 * config/rs6000/t-fprules: Remove fp-bit rules.
3559 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3560 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3561 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3562 (softfp_wrap_start, softfp_wrap_end): New.
3564 2006-04-18 DJ Delorie <dj@redhat.com>
3566 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3568 2006-04-18 Devang Patel <dpatel@apple.com>
3570 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3572 2006-04-18 Nick Clifton <nickc@redhat.com>
3574 * config/sh/t-symbian: Add rule to build sh-c.o
3575 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3576 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3577 (sh_symbian_encode_section_info): Likewise.
3579 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3581 * builtins.c (expand_builtin_strcmp): Cover label definition of
3582 do_libcall with HAVE_cmpstrnsi.
3584 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3586 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3588 * function.h (temp_slot_p): New.
3589 (function): Change the type of x_used_temp_slots to
3590 VEC(temp_slot_p,gc) *.
3592 2006-04-18 Nick Clifton <nickc@redhat.com>
3594 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3595 flag_strength_reduce.
3597 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3599 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3603 Partial revert of revision 112637
3604 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3605 Dale Johannesen <dalej@apple.com>
3608 * regclass.c (struct reg_pref): Update documentation.
3609 (regclass): Set prefclass to NO_REGS if memory is the best option.
3610 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3612 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3614 PR tree-optimization/26821
3615 * tree-ssa-math-opts.c (get_constant_one): New.
3616 (insert_reciprocals): Use it.
3618 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3620 * dwarf2out.c (free_AT): Delete.
3621 (remove_AT): Update string ref counts.
3622 (remove_child_TAG): Don't call free_die.
3624 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3625 or DW_TAG_GNU_EINCL.
3626 (prune_unused_types_walk_attribs): Reset string refcounts.
3627 (prune_unused_types_update_strings): New.
3628 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3629 call free_die. Do call prune_unused_types_update_strings.
3630 (prune_unused_types): Empty debug_str_hash.
3632 2006-04-17 Roger Sayle <roger@eyesopen.com>
3634 * expr.c (expand_assignment): Optimize away no-op moves where the
3635 source and destination are equal and have no side-effects.
3637 2006-04-17 Richard Guenther <rguenther@suse.de>
3640 * reload.c (push_reload): Guard calls to get_secondary_mem
3643 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3645 * alias.c (reg_base_value, old_reg_base_value): Change the
3646 type to VEC(rtx,gc) *.
3647 (REG_BASE_VALUE, find_base_value, record_set,
3648 init_alias_analysis): Use VEC instead of VARRAY.
3650 * alias.c (alias_sets): Change the type to
3651 VEC(alias_set_entry,gc) *.
3652 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3653 VEC instead of VARRAY.
3654 (last_alias_set): Remove.
3656 * cgraph.h (cgraph_edge_p): New.
3657 Update the prototype of cgraph_function_versioning.
3658 * cgraphunit.c (cgraph_copy_node_for_versioning,
3659 cgraph_function_versioning): Use VEC instead of VARRAY.
3660 * ipa-cp.c (ipcp_insert_stage): Likewise.
3662 2006-04-16 Roger Sayle <roger@eyesopen.com>
3665 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3666 "A op B" or "A op C", we may need to convert A to the type of B and C.
3668 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3670 * target.h (struct gcc_target): Add mode_rep_extended.
3671 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3672 (init_num_sign_bit_copies_in_rep): Initialize it using
3674 (truncate_to_mode): Use it.
3675 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3676 * targhooks.h (default_mode_rep_extended): Declare it.
3677 * targhooks.c (default_mode_rep_extended): Define it.
3678 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3679 default_mode_rep_extended.
3680 (TARGET_INITIALIZER): Include it.
3681 * doc/tm.texi (Misc): Document it.
3682 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3683 (mips_truncated_to_mode): New function.
3685 2006-04-16 Roger Sayle <roger@eyesopen.com>
3688 * expr.c (compress_float_constant): Copy the narrow constant into
3689 a new pseudo before extending it to its final width.
3691 2006-04-16 Roger Sayle <roger@eyesopen.com>
3692 Andrew Pinski <pinskia@gcc.gnu.org>
3693 Dale Johannesen <dalej@apple.com>
3696 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3697 special case code to implement V8HImode and V16QImode with SSE2.
3699 2006-04-15 Roger Sayle <roger@eyesopen.com>
3701 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3702 trees are constructed with a suitable tree type.
3704 2006-04-15 Roger Sayle <roger@eyesopen.com>
3706 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3707 (integer_onep): Likewise.
3708 (integer_all_onesp): Likewise.
3709 (integer_pow2p): Likewise.
3710 (integer_nonzerop): Likewise.
3711 (real_zerop): Likewise.
3712 (real_onep): Likewise.
3713 (real_twop): Likewise.
3714 (real_minus_onep): Likewise.
3715 (int_size_in_bytes): Likewise.
3716 (host_integerp): Likewise.
3718 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3720 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3721 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3722 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3724 * tree-ssa-structalias.h (alias_info): Remove num_references.
3726 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3728 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3729 (output_bvb patterns): Likewise.
3730 * pa.c (output_bb): Use 'bb' insn for long branch case.
3731 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3732 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3733 1. Correct length operand for alternatives 1 and 2.
3734 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3735 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3737 2006-04-14 Roger Sayle <roger@eyesopen.com>
3739 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3740 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3741 were accidentally reverted by r112959.
3743 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3746 * except.h (eh_region_outermost): New prototype.
3747 * except.c (eh_region_outermost): New function.
3748 * tree-cfg.c (find_outermost_region_in_block): Use it.
3750 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3752 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3754 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3755 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3756 (init_reload, reload): Use VEC instead of VARRAY.
3757 * reload.h: Update the prototype for
3758 reg_equiv_memory_loc_varray.
3760 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3761 Eric Botcazou <ebotcazou@libertysurf.fr>
3763 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3766 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3769 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3770 to expand fallback builtin function call.
3772 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3775 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3776 and emit libcall here in case the builtin fails.
3777 (expand_builtin_strcmp): Always emit the libcall here on failure.
3779 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3781 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3782 * flow.c (reg_n_info): Change the type to
3783 VEC(reg_info_p,heap) *.
3784 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3786 * regs.h (reg_info_p): New.
3787 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3788 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3789 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3792 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3794 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3796 * params.h (MAX_SCHED_READY_INSNS): New macro.
3797 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3798 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3799 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3800 the ready list for 1 cycle during the first scheduling pass.
3801 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3803 2006-04-13 Richard Henderson <rth@redhat.com>
3806 * gimple-low.c (lower_omp_directive): Remove dead code.
3807 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3808 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3809 * omp-low.c (struct omp_region): Move to tree-flow.h.
3810 (root_omp_region): Export.
3811 (omp_regions, lookup_omp_region): Remove.
3812 (determine_parallel_type): Update for struct omp_region changes.
3813 (dump_omp_region): Dump regions with block numbers.
3814 (new_omp_region): Take type and block instead of stmt; malloc
3816 (free_omp_region_1, free_omp_regions): New.
3817 (expand_parallel_call): Take entry_stmt as argument; update for
3818 changes to omp_region.
3819 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3820 (remove_exit_barriers): New.
3821 (expand_omp_parallel): Update for struct omp_region changes.
3822 (expand_omp_synch): Likewise.
3823 (expand_omp): Likewise.
3824 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3825 (expand_omp_for_static_chunk): Likewise.
3826 (expand_omp_for): Likewise.
3827 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3828 (expand_omp_sections): Similarly, with GOMP_sections_end.
3829 (expand_omp_single): New.
3830 (build_omp_regions_1): Update for OMP_CONTINUE.
3831 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3832 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3833 OMP_SECTIONS_SECTIONS.
3834 (lower_omp_single_simple): Don't emit barrier here.
3835 (lower_omp_single_copy): Likewise.
3836 (lower_omp_single): Fix bindings, and lower to straightline now.
3837 (lower_omp_master, lower_omp_ordered): Likewise.
3838 (lower_omp_critical): Likewise.
3839 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3840 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3841 omp edges, free it afterward.
3842 (make_omp_sections_edges): Remove.
3843 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3844 (move_stmt_r): Handle OMP_CONTINUE.
3845 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3846 statement pointers to basic blocks. Add type member.
3847 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3848 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3849 * tree-inline.c (estimate_num_insns_1): Likewise.
3850 * tree-pretty-print.c (dump_generic_node): Likewise.
3851 * tree-ssa-operands.c (get_expr_operands): Likewise.
3852 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3853 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3854 (OMP_CONTINUE): New.
3855 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3856 (OMP_SECTIONS_SECTIONS): Remove.
3857 (OMP_SECTION_LAST): New.
3858 (OMP_RETURN_NOWAIT): New.
3860 2006-04-13 Roger Sayle <roger@eyesopen.com>
3862 * fold-const.c (native_encode_vector, native_interpret_real):
3863 Correct obvious mistakes in the previous check-in.
3865 2006-04-13 Roger Sayle <roger@eyesopen.com>
3867 * fold-const.c (native_encode_expr): New function to encode
3868 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3869 or VECTOR_CST into a specified buffer.
3870 (native_encode_int): New function.
3871 (native_encode_real): New function.
3872 (native_encode_complex): New function.
3873 (native_encode_vector): New function.
3874 (native_interpret_expr): Inverse of native_encode_expr to convert
3875 a target representation into an INTEGER_CST, REAL_CST etc...
3876 (native_interpret_int): New function.
3877 (native_interpret_real): New function.
3878 (native_interpret_complex): New function.
3879 (native_interpret_vector): New function.
3880 (fold_view_convert_expr): New function to constant fold/evaluate
3881 a VIEW_CONVERT_EXPR of a suitable constant expression.
3882 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3883 Change call of build1 to fold_build1 when constructing a
3886 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3887 Ulrich Weigand <uweigand@de.ibm.com>
3890 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3893 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3896 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3897 optimize to lo_sum for DFmode if !TARGET_FPRS.
3899 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3901 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3902 delete_alias_info, compute_flow_sensitive_aliasing,
3903 group_aliases): Use VEC instead of VARRAY.
3904 * tree-ssa-structalias.c (update_alias_info): Likewise.
3905 * tree-ssa-structalias.h (alias_info): Change the type of
3906 processed_ptrs to VEC(tree,heap) *.
3908 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3911 * config/sh/lib1funcs.h: New file, broken out of:
3912 * config/sh/lib1funcs.asm.
3913 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3915 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3916 * config/sh/lib1funcs-Os-4-200.asm: New file.
3917 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3918 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3919 (EXTRA_MULTILIB_PARTS): Include it.
3920 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3921 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3922 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3923 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3926 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3928 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3929 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3930 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3932 * tree-ssa-live.h: Include vecprim.h.
3933 (tree_partition_associator_d): Change the type of
3934 first_partition to VEC(int,heap) *.
3935 (tpa_first_partition): Use VEC instead of VARRAY.
3937 * Makefile.in (GTFILES): Move functions.h after tree.h.
3938 * function.c (reset_block_changes, record_block_change,
3939 check_block_change, free_block_changes): Use VEC instead of
3941 * function.h (function): Change the type of
3942 ib_boundaries_block to VEC(tree,gc) *.
3943 * tree-inline.c (copy_cfg_body): Initialize
3944 ib_boundaries_block to NULL instead of (varray_type) 0.
3946 2006-04-12 Roger Sayle <roger@eyesopen.com>
3948 * expr.c (emit_group_store): Correct operand order in call to
3949 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3950 a SUBREG_BYTE of zero.
3952 2006-04-12 Richard Guenther <rguenther@suse.de>
3954 * profile.c (compute_branch_probabilities): Remove code
3955 encapsulated in !ir_type (), which are remanents of the
3956 removed RTL profiling code.
3957 * rtl-profile.c: Remove.
3959 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3961 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3962 magic NULL_RTX comment.
3963 (function_arg): Store entire fp arg to mem if any part should go
3965 (rs6000_arg_partial_bytes): Adjust for above change.
3967 2006-04-11 Roger Sayle <roger@eyesopen.com>
3969 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3970 if it hasn't been initialized by dwarf2out_init.
3972 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3974 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3975 symbolic constants in branch patterns.
3977 2006-04-11 Roger Sayle <roger@eyesopen.com>
3979 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3981 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3983 PR rtl-optimization/27073
3984 * gcse.c (try_replace_reg): Revert last change. Continue to search
3985 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3988 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3990 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3991 aggregate types other than record and union types.
3992 (function_arg): Likewise.
3993 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3995 (function_value): In 64-bit mode, return objects that require it
3998 2006-04-11 Roger Sayle <roger@eyesopen.com>
4000 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4002 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4004 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4006 2006-04-03 Jeff Law <law@redhat.com>
4009 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4010 alias information too.
4012 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4014 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4016 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4019 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4020 (premark_used_types_helper): New.
4021 (premark_used_types): New.
4022 (gen_subprogram_die): Call premark_used_types.
4023 (prune_unused_types_walk): Do not prune perennial dies.
4024 * function.c (used_types_insert): New.
4025 * function.h (struct function): Add used_types_hash field.
4026 (used_types_insert): Add prototype.
4027 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4028 * c-parser.c (c_parser_cast_expression): Save casted types in used
4031 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4034 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4035 rs6000_explicit_options.float_gprs.
4037 2006-04-10 Roger Sayle <roger@eyesopen.com>
4039 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4040 from ix86_expand_vector_init_low_nonzero. Take an additional
4041 one_var argument indicating which element is non-zero. Support
4042 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4043 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4044 with one_var instead of ix86_expand_vector_init_low_nonzero.
4046 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4048 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4049 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4050 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4051 build/genextract.o): Depend on vecprim.h.
4052 * cfglayout.c, df-problems.c, function.c, genextract.c,
4053 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4054 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4058 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4060 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4061 Declare VECs of this type.
4062 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4063 (remove_children): Delete.
4064 (add_dwarf_attr): Use VEC routines.
4065 (add_AT_flag): Update for changes to add_dwarf_attr.
4066 (add_AT_int): Likewise.
4067 (add_AT_unsigned): Likewise.
4068 (add_AT_long_long): Likewise.
4069 (add_AT_vec): Likewise.
4070 (add_AT_string): Likewise.
4071 (add_AT_die_ref): Likewise.
4072 (add_AT_fde_ref): Likewise.
4073 (add_AT_loc): Likewise.
4074 (add_AT_loc_list): Likewise.
4075 (add_AT_addr): Likewise.
4076 (add_AT_lbl_id): Likewise.
4077 (add_AT_lineptr): Likewise.
4078 (add_AT_macptr): Likewise.
4079 (add_AT_offset): Likewise.
4080 (add_AT_range_list): Likewise.
4081 (get_AT): Use VEC_iterate.
4082 (remove_AT): Use VEC_ordered_remove.
4083 (free_die): Fold remove_children into here; have it use VEC_iterate.
4084 (print_die): Use VEC_iterate on attrs.
4085 (reverse_die_lists): Don't reverse attr lists.
4086 (die_checksum): Use VEC_iterate on attrs.
4087 (same_die_p): Likewise.
4088 (output_location_lists): Likewise.
4089 (build_abbrev_table): Likewise.
4090 (size_of_die): Likewise.
4091 (unmark_all_dies): Likewise.
4092 (output_abbrev_section): Likewise.
4093 (output_die): Likewise.
4094 (prune_unused_types_walk_attribs): Likewise.
4096 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4098 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4100 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4103 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4105 2006-04-09 Roger Sayle <roger@eyesopen.com>
4107 * expr.c (store_constructor): Don't bother clearing target if
4108 we're about to assign a vector to it using vec_init_optab.
4110 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4112 * tree-ssa-alias.c (lhs_may_store_to): New function.
4113 (recalculate_used_alone): Handle LHS of calls.
4115 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4119 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4120 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4121 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4122 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4123 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4124 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4125 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4126 stubs. Add ".align 8" directives before all ".dword" directives.
4127 (GTHREAD_USE_WEAK): Revise comment.
4128 (TARGET_ATTRIBUTE_WEAK): Define.
4129 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4130 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4131 * stublib.c: New file.
4136 * pa.md (cbranch patterns): Revise arguments used in calls to
4137 output_cbranch, output_bb and output_bvd. Add long branch length
4139 (fbranch patterns): Handle long branches.
4140 (jump): Revise length check. Revise arguments for output_lbranch call.
4141 Add long branch length attributes.
4142 (decrement_and_branch_until_zero): Add long branch length attributes.
4143 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4144 Likewise. Revise arguments for output_parallel_addb and
4145 output_parallel_movb calls.
4146 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4147 output_parallel_movb and output_parallel_addb): Update prototypes.
4148 * pa.c (output_cbranch): Revise arguments. Correct handling of
4149 nullification in long branches.
4150 (output_lbranch): Add new argument to control extraction of delay
4152 (output_bb): Handle long branches.
4153 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4154 output_parallel_addb): Likewise.
4156 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4158 PR rtl-optimization/27073
4159 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4162 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4164 * tree.h (tree_memory_tag): Add old_used_alone.
4165 (SMT_OLD_USED_ALONE): New macro.
4166 * tree-ssa-alias.c (recalculate_used_alone): Stop
4167 marking things for renaming unnecessarily.
4169 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4171 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4172 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4173 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4174 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4175 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4176 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4177 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4178 spelling convensions.
4179 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4180 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4181 typos. Follow spelling conventions.
4183 2006-04-07 DJ Delorie <dj@redhat.com>
4185 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4186 passed on the stack.
4187 (m32c_init_cumulative_args): When a function returns a structure,
4188 always pass the pointer to that return area on the stack.
4189 (m32c_function_arg_advance): Don't increment the parameter number
4190 if we're processing the returned structure pointer.
4191 (pushm_info): Reverse order of registers.
4193 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4195 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4196 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4197 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4198 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4200 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4201 chrec_fold_multiply): Same.
4202 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4203 force_expr_to_var_cost): Same.
4204 * tree-mudflap.c (mf_xform_derefs_1): Same.
4205 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4207 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4209 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4210 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4213 2006-04-07 Jan Hubicka <jh@suse.cz>
4215 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4217 2006-04-07 Richard Guenther <rguenther@suse.de>
4219 PR tree-optimization/26135
4220 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4221 loads for store copy-prop.
4222 (copy_prop_visit_stmt): Likewise.
4224 2006-04-05 Robert Millan <robertmh@gnu.org>
4226 * config/i386/linux.h: Add a comment to mark macros that are
4227 being overriden in config/k*bsd-gnu.h.
4228 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4230 * config/knetbsd-gnu.h: Ditto.
4232 2006-04-06 Jan Hubicka <jh@suse.cz>
4236 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4239 2006-04-06 Mike Stump <mrs@apple.com>
4241 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4242 for HAVE_nonlocal_goto to be consistent.
4243 (expand_builtin_nonlocal_goto): Likewise.
4244 (expand_builtin_strcmp): Use #ifdef instead of #if
4245 for HAVE_cmpstrnsi to be consistent.
4247 2006-04-05 DJ Delorie <dj@redhat.com>
4249 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4252 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4254 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4255 got-relative addressing for anything but SImode.
4257 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4258 even if the calling function doesn't modify them.
4260 2006-04-05 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/26919
4263 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4264 to cgraph_estimate_size_after_inlining.
4266 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4268 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4270 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4272 PR tree-optimization/26996
4273 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4274 VECTOR_TYPE variables.
4276 2006-04-05 Richard Guenther <rguenther@suse.de>
4278 PR tree-optimization/26763
4279 * fold-const.c (fold_comparison): Move folding of
4280 PTR + CST CMP PTR + CST ...
4281 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4283 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4285 * doc/install.texi (Prerequisites): Refine some wording on
4286 bootstrapping and ksh.
4287 Move the version numbers of DejaGnu here from the testing section
4288 and fix casing of names.
4289 Fix markup and clarify wording for autogen requirements.
4290 Refer to GCJ instead of just java.
4291 Refer to SVN instead of CVS.
4292 Describe diffutils as useful instead of necessary.
4293 (Downloading the source): Refer to SVN instead of CVS.
4294 Adjust a link to our web site accordingly.
4295 (Configuration): Fix casing of Bison.
4296 (Building): Refer to SVN instead of CVS.
4297 Fix a sentence on the use of Bison and remove duplicate (and
4298 incorrect) version number of Bison requirement.
4299 Remove one redundant list of packages needed for building.
4300 (Specific): Avoid reference to CVS.
4302 2006-04-04 Eric Christopher <echristo@apple.com>
4304 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4305 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4306 (rs6000_handle_struct_attribute): New.
4307 (rs6000_ms_bitfield_layout_p): Ditto.
4309 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4311 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4312 NULL for dso parameter to atexit_common.
4314 2006-04-04 Eric Christopher <echristo@apple.com>
4316 * config/i386/i386.c (machopic_output_stub): Output \t
4317 between instructions and operands.
4319 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4321 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4322 satisfies_constraint_[IL] to explicit tests on value.
4324 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4326 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4327 set_nb_iterations_in_loop): Use build_int_cst instead of
4329 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4330 build_int_cst instead of convert.
4332 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4334 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4335 new value 2 for incoming.
4336 * function.c (expand_function_start): Call struct_value_rtx
4338 * config/sparc/sparc.md: Comment updated_return.
4339 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4340 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4341 struct return if sparc_std_struct_return and incoming is 2.
4342 (print_operand): Do not adjust return if
4343 sparc_std_struct_return.
4345 2006-04-04 Roger Sayle <roger@eyesopen.com>
4347 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4348 convert in the middle-end.
4349 * expr.c (store_expr, store_constructor, get_inner_reference,
4350 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4352 * tree.c (build_range_type): Likewise.
4354 2006-04-04 Tom Tromey <tromey@redhat.com>
4356 * doc/install.texi (Prerequisites): Mention jar.
4358 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4360 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4363 2006-04-04 Matthias Klose <doko@debian.org>
4365 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4366 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4369 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4371 * doc/extend.texi (Function Attributes): Rewrite visibility
4372 attribute documentation.
4373 * doc/invoke.texi (C++ Dialect Options): Rewrite
4374 -fvisibility-inlines-hidden documentation to describe something
4375 entirely different, although in practise compatible.
4376 (Code Gen Options): Warn about system headers in -fvisibility=
4379 * doc/extend.texi (Other Builtins): Document that
4380 __builtin_nan is a compile-time constant only when its argument
4383 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4385 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4386 trying to remove TRUNCATE check if all bits outside the new mode
4387 are identical to the sign bit.
4389 2006-04-03 Jeff Law <law@redhat.com>
4391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4392 and operand scanning in some common cases.
4394 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4395 Dale Johannesen <dalej@apple.com>
4398 * regclass.c (struct reg_pref): Update documentation.
4399 (regclass): Set prefclass to NO_REGS if memory is the best option.
4400 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4401 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4402 into account. For non-registers, equate an empty preferred
4403 reload class to a `!' in the constraint; move the if clause to
4404 do so after those that reject the insn.
4405 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4407 (find_dummy_reload): Likewise.
4408 * doc/tm.texi (Register Classes): Document what it means
4409 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4410 * config/i386/i386.c (ix86_preferred_reload_class): Force
4411 using SSE registers (and return NO_REGS for floating-point
4412 constants) if math is done with SSE.
4413 (ix86_preferred_output_reload_class): New.
4414 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4415 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4416 * config/i386/i386.md: Remove # register preferences.
4418 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4421 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4422 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4423 the type of nb_iter.
4424 (instantiate_parameters_1): Convert the operands before calling
4425 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4426 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4428 2006-04-02 Roger Sayle <roger@eyesopen.com>
4430 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4431 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4433 * dojump.c (do_jump): Likewise.
4434 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4435 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4436 gimplify_boolean_expr): Likewise.
4437 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4438 * varasm.c (array_size_for_constructor): Likewise.
4439 * tree-object-size.c (compute_object_offset): Likewise.
4441 2006-04-02 Roger Sayle <roger@eyesopen.com>
4444 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4445 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4447 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4449 PR tree-optimization/26939
4450 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4452 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4454 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4455 at_stmt. Convert the type of operands before calling
4456 build_polynomial_chrec.
4457 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4459 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4460 (instantiate_parameters_1): Convert the type of operands before calling
4461 build_polynomial_chrec.
4462 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4463 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4464 reset_evolution_in_loop): Insert asserts to check the types of the
4466 (chrec_type): Moved...
4467 (eq_evolutions_p): Use operand_equal_p.
4468 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4469 the types of the operands.
4470 (chrec_type): ...here.
4471 * tree-data-ref.c (create_data_ref): Convert the operands before
4472 calling chrec_replace_initial_condition.
4473 (same_access_functions, analyze_subscript_affine_affine,
4474 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4475 (compute_subscript_distance, analyze_ziv_subscript,
4476 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4477 analyze_miv_subscript): Convert the operands before calling
4478 chrec_fold_minus or chrec_fold_plus.
4480 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4482 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4483 the dependence_relations vector.
4484 (compute_data_dependences_for_loop): Adjust call to
4485 compute_all_dependences.
4487 2006-04-01 Roger Sayle <roger@eyesopen.com>
4488 Richard Henderson <rth@redhat.com>
4490 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4491 gimple_boolify on the condition before calling gimplify_expr.
4493 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4495 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4496 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4497 the frame size. Update to use the new macros.
4498 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4499 * config/xtensa/ieee754-df.S: Likewise.
4501 2006-03-31 Richard Henderson <rth@redhat.com>
4503 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4504 (make_edges): ... here. Control fallthru creation with a local
4505 variable. Do not play with fake edges.
4506 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4507 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4510 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4512 * dwarf2.h (DW64_CIE_ID): Define.
4513 * dwarf2out.c (DWARF_CIE_ID): Define.
4514 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4515 length header. Use DWARF_CIE_ID.
4516 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4517 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4519 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4521 * config/sh/linux-atomic.asm: New file.
4522 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4524 2006-03-31 DJ Delorie <dj@redhat.com>
4526 * config/m32c/cond.md: Set condition flags properly throughout.
4527 * config/m32c/minmax.md: Likewise.
4528 * config/m32c/prologue.md: Likewise.
4529 * config/m32c/bitops.md: Likewise.
4530 * config/m32c/muldiv.md: Likewise.
4531 * config/m32c/mov.md: Likewise.
4532 * config/m32c/addsub.md: Likewise.
4533 * config/m32c/m32c.md: Likewise.
4534 * config/m32c/jump.md: Likewise.
4535 * config/m32c/shift.md: Likewise.
4537 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4538 conditionally output the pattern for this.
4539 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4540 (m32c_compare_redundant): New.
4541 (m32c_output_compare): New.
4542 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4544 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4545 dest, not src. Allow other 4-byte modes.
4547 2006-03-30 Denis Chertykov <denisc@overta.ru>
4549 * doc/md.texi: Refer to avr/constraints.md instead of
4552 2006-03-30 Roger Sayle <roger@eyesopen.com>
4554 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4555 signed vs. unsigned comparison failures on some hosts.
4557 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4560 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4561 change to FLOAT_REGS.
4563 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4564 (rs6000_override_options): Use it.
4565 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4566 only for -mabi=spe/no-spe and -mabi=altivec.
4568 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4570 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4573 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4575 * Makefile.in: Rename docdir to gcc_docdir.
4577 2006-03-30 Roger Sayle <roger@eyesopen.com>
4580 * expr.c (emit_group_store): Optimize group stores into a pseudo
4581 register by using a paradoxical subreg to initialize the destination
4582 if the first or last member of the group specifies a "low part".
4584 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4587 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4588 * target.h (struct gcc_target.speculate_insn): Change type of the
4589 second parameter to 'int'.
4590 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4591 the second operand of the DEPS_LIST.
4592 (copy_DEPS_LIST_list): Update reference to the second operand of the
4594 * rtl.h (alloc_DEPS_LIST): Update signature.
4595 * sched-int.h (ds_t): Change typedef to 'int'.
4596 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4598 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4600 * haifa-sched.c (try_ready): Change condition to restore
4601 non-speculative pattern of the instruction.
4602 (process_insn_depend_be_in_spec): Code to keep probability of the
4603 speculative dependence non-decreasing.
4605 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4607 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4608 (single_move_for_movmem): ... this. Also change all uses.
4609 (bfin_expand_strmov): Renamed to...
4610 (bfin_expand_movmem): ... this. Also change all uses.
4611 * config/bfin/bfin.md (movstrsi): Renamed to...
4612 (movstrsi): ...this.
4614 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4616 PR tree-optimization/26830
4618 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4619 (copy_prop_visit_stmt): Remove write-only variable ann.
4620 (init_copy_prop): Check variable loop depth here. Do not simulate
4621 memory-tag and virtual operand PHIs except for store copy prop.
4623 2006-03-30 Richard Guenther <rguenther@suse.de>
4625 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4626 variants with double arguments.
4628 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4630 * genpreds.c (write_tm_constrs_h): Delete variable p.
4631 * genconditions.c (write_header): Add tm-constrs.h to included
4633 * genpeep.c (main): Add toplev.h to included headers.
4634 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4635 (build/genpeep.o): Add toplev.h dependency.
4636 * config/rs6000/constraints.md: Add "W" constraint.
4638 2006-03-29 Roger Sayle <roger@eyesopen.com>
4640 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4641 sizes by correctly testing whether the size fits a host integer.
4642 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4643 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4644 SImode range for the default sizetype and bitsizetype.
4646 2006-03-29 Roger Sayle <roger@eyesopen.com>
4648 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4649 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4650 quickly if the argument is already of the correct type.
4651 Call fold_build1 instead of build1. Tidy up blank lines.
4653 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4655 * genemit.c (main): Add tm-constrs.h to included headers.
4656 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4657 * genpeep.c (main): Add tm-constrs.h to included headers.
4658 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4659 (write_tm_constrs_h): this and write complete file.
4660 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4661 (write_insn_preds_c): Add tm-constrs.h to included headers.
4662 (gen_constrs): New variable.
4663 (parse_option): Parse "-c".
4664 (main): Invoke write_tm_constrs_h.
4665 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4666 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4667 (object_out_file): Add tm-constrs.h dependency.
4668 (insn-emit.o): Same.
4669 (insn-output.o): Same.
4670 (insn-peep.o): Same.
4671 (insn-preds.o): Same.
4672 (insn-recog.o): Same.
4673 (tm-constsr.h): New target.
4674 (s-constrs-h): New target.
4676 * config/rs6000/constraints.md: New file.
4677 * config/rs6000/rs6000.c: Include tm-constrs.h.
4678 (num_insn_constant_wide): Convert to satisfies_constraint.
4679 (rs6000_rtx_costs): Convert to satisfies_constraint.
4680 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4681 (CONST_OK_FOR_LETTER_P): Delete.
4682 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4683 (EXTRA_CONSTRAINT): Delete.
4684 (EXTRA_MEMORY_CONSTRAINT): Delete.
4685 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4686 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4687 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4688 satisfies_constraint.
4690 * config/i386/i386.c: Include tm-constrs.h.
4692 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4694 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4695 * tree-data-ref.c (find_data_references_in_loop,
4696 compute_data_dependences_for_loop): Use pointers to VEC.
4697 (analyze_all_data_dependences): Adjust calls.
4698 * tree-data-ref.h (find_data_references_in_loop,
4699 compute_data_dependences_for_loop): Adjust declarations.
4700 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4701 compute_data_dependences_for_loop.
4703 2006-03-29 Paul Brook <paul@codesourcery.com>
4705 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4708 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4710 PR tree-optimization/26859
4711 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4713 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4714 for the step after fold_convert.
4716 2006-03-29 Paul Brook <paul@codesourcery.com>
4718 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4719 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4721 2006-03-29 Paul Brook <paul@codesourcery.com>
4724 * targhooks.c (default_narrow_bitfield): New fuction.
4725 * targhooks.h (default_narrow_bitfield): add prototype.
4726 * target.h (gcc_target): Add narrow_volatile_bitfield.
4727 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4728 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4729 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4730 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4732 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4734 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4736 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4737 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4738 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4739 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4740 (s390_function_arg_float): Allow SDmode and DDmode values to be
4741 passed in floating point registers.
4742 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4743 check with SCALAR_FLOAT_MODE_P.
4744 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4746 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4748 PR tree-optimization/25985
4749 * tree-ssa-loop-niter.c (number_of_iterations_le,
4750 number_of_iterations_ne): Make comments more precise.
4751 (number_of_iterations_cond): Add only_exit argument. Use the
4752 fact that signed variables do not overflow only when only_exit
4754 (loop_only_exit_p): New.
4755 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4756 number_of_iterations_cond.
4758 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4760 PR tree-optimization/26643
4761 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4764 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4766 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4767 (divsi3_i4_int): Likewise.
4769 2006-03-28 Roger Sayle <roger@eyesopen.com>
4771 * expr.c (emit_group_store): Only create a new pseudo reg if the
4772 quantity it needs to hold isn't already a suitable pseudo.
4774 2006-03-28 Jeff Law <law@redhat.com>
4776 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4777 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4779 2006-03-28 Roger Sayle <roger@eyesopen.com>
4781 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4782 the equivalent ~X & Y, and the symmetry related transformations.
4783 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4784 ~X & Y, and symmetry related transforms.
4786 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4788 Revert my 2006-03-27 patches.
4790 2006-03-28 Roger Sayle <roger@eyesopen.com>
4792 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4793 ~(T1)X, when T1 and T2 are integer types of the same precision
4794 and (T2)X isn't an extension.
4796 2006-03-28 Jeff Law <law@redhat.com>
4798 PR tree-optimization/26796
4799 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4800 need EH edge cleanups rather than purging them immediately.
4801 (eliminate_degenerate_phis): Handle queued EH cleanups.
4803 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4805 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4808 2006-03-27 Roger Sayle <roger@eyesopen.com>
4811 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4812 cast BIT_NOT_EXPR operand to the correct type.
4814 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4816 * tree-loop-linear.c: Don't include varray.h.
4817 (gather_interchange_stats, try_interchange_loops,
4818 linear_transform_loops): Use VEC instead of VARRAY.
4819 * lambda-mat.c: Don't include varray.h.
4820 * tree-chrec.c: Same.
4821 * lambda-trans.c: Same.
4822 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4823 VEC instead of VARRAY.
4824 * tree-vectorizer.h: Idem.
4825 * tree-data-ref.c (dump_data_references,
4826 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4827 initialize_data_dependence_relation, finalize_ddr_dependent,
4828 compute_all_dependences, find_data_references_in_loop,
4829 compute_data_dependences_for_loop, analyze_all_data_dependences,
4830 free_dependence_relation, free_dependence_relations,
4831 free_data_refs): Idem.
4832 * tree-data-ref.h (data_reference_p, subscript_p): New.
4833 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4834 VEC instead of VARRAY.
4835 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4836 (find_data_references_in_loop, compute_data_dependences_for_loop,
4837 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4838 dump_data_dependence_relations, free_dependence_relations,
4839 free_data_refs): Adjust declaration.
4840 (lambda_transform_legal_p): Move declaration here...
4841 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4842 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4843 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4844 vect_analyze_data_refs): Use VEC instead of VARRAY.
4845 * lambda.h (lambda_transform_legal_p): ...from here.
4846 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4847 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4848 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4849 tree-chrec.o): Don't depend on VARRAY_H.
4851 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4853 * rtl.def (Copyright): Update date.
4854 (DEPS_LIST): Change type of the second operand to 'int'.
4855 * target.h (Copyright): Update date.
4856 (struct gcc_target.speculate_insn): Change type of the second parameter
4858 * lists.c (Copyright): Update date.
4859 (alloc_DEPS_LIST): Change signature. Update reference to the second
4860 operand of the DEPS_LIST.
4861 (copy_DEPS_LIST_list): Update reference to the second operand of the
4863 * rtl.h (Copyright): Update date.
4864 (alloc_DEPS_LIST): Update signature.
4865 * sched-int.h (Copyright): Update date.
4866 (ds_t): Change typedef to 'int'.
4867 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4869 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4871 * haifa-sched.c (Copyright): Update date.
4872 (try_ready): Change condition to restore non-speculative pattern
4874 (process_insn_depend_be_in_spec): Code to keep probability of the
4875 speculative dependence non-decreasing.
4877 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4879 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4880 shut up the compiler.
4882 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4884 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4885 to use lib prefix for target.
4886 ($(T)libic_invalidate_array_4-200.a): Likewise.
4887 ($(T)libic_invalidate_array_4a.a): Likewise.
4889 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4890 J"orn Rennecke <joern.rennecke@st.com>
4892 * superh.opt: New file.
4893 * sh.c (boardtype, osruntime): Remove.
4894 * superh.h (SUBTARGET_OPTIONS): Remove.
4895 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4897 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4898 arguments with ^ and/or [].
4900 * config.gcc (sh-*-*): Add quoting to account for quirk of
4902 Replace == with = in enable_incomplete_targets test.
4904 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4905 with MASK_LITTLE_ENDIAN.
4907 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4908 * config/sh/sh.opt: Added to some comments.
4909 * config/sh/superh.h: Removed some chaff.
4911 * config/sh/sh.opt: Add m4-[1234]00* options.
4912 * config/sh/sh.c (sh_handle_option): Likewise.
4913 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4914 (ic_invalidate_array_4-100.o): New rule.
4915 ($(T)libic_invalidate_array_4-100.a): Likewise.
4916 (ic_invalidate_array_4-200.o): Likewise.
4917 ($(T)libic_invalidate_array_4-200.a): Likewise.
4918 (ic_invalidate_array_4a.o): Likewise.
4919 ($(T)libic_invalidate_array_4a.a): Likewise.
4920 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4921 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4923 * config/sh/crt1.asm: Merged in profiling code.
4924 * config/sh/superh.h (STARTFILE_SPEC): Override.
4925 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4926 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4927 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4929 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4930 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4931 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4933 * sh.opt (mpretend-cmove): New option.
4934 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4935 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4936 (movsicc): Add TARGET_PRETEND_CMOVE code.
4938 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4940 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4941 s390_class_max_nregs): New function prototypes.
4942 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4943 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4944 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4945 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4947 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4949 * dwarf2out.c (add_location_or_const_value_attribute): Call
4950 tree_add_const_value_attribute if nothing else works.
4951 (reference_to_unused): New.
4952 (rtl_for_decl_init): Use reference_to_unused to decide whether
4953 to output an initializer.
4955 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4958 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4959 peephole removing spe frob_di_df_2.
4961 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4963 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4964 (subscript_dependence_tester_1): Declared.
4965 (print_dir_vectors, print_dist_vectors): New.
4966 (debug_data_dependence_relation): New.
4967 (dump_data_dependence_relation): Print more details.
4968 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4969 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4970 (save_dist_v, save_dir_v, add_outer_distances,
4971 build_classic_dist_vector_1): New.
4972 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4973 Don't test for lambda_vector_lexico_pos.
4974 (same_access_functions, add_multivariate_self_dist,
4975 add_other_self_distances, dir_from_dist): New.
4976 (build_classic_dir_vector): Replace implementation almost identical to
4977 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4979 (subscript_dependence_tester_1): New.
4980 (subscript_dependence_tester): Handle the lexicographically negative
4981 distance vectors by recomputing the dependence relation.
4982 (compute_affine_dependence): Remove parameter loop_nest_depth.
4983 (compute_self_dependence): Don't call compute_subscript_distance.
4984 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4985 Add a parameter for the loop_nest.
4986 (find_loop_nest_1, find_loop_nest): New.
4987 (compute_data_dependences_for_loop): Compute the loop nest, and give
4988 up if the nest is not well formed.
4989 * tree-data-ref.h (loop_p): New.
4990 (struct data_dependence_relation): Replace size_vect field with
4991 loop_nest, a vec of loops.
4992 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4993 (DDR_LOOP_NEST): New.
4994 (print_dir_vectors, print_dist_vectors,
4995 debug_data_dependence_relation): Declared.
4996 (index_in_loop_nest): New.
4997 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4998 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5001 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5003 * simplify-rtx.c (simplify_relational_operation): Call
5004 simplify_relational_operation_1 even if mode is VOIDmode.
5006 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5008 PR tree-optimization/26804
5009 * tree.h (DECL_CALL_CLOBBERED): New macro.
5010 (tree_decl_common): Add call_clobbered_flag.
5011 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5012 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5013 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5014 (mark_non_addressable): Ditto.
5015 * tree-ssa.c (verify_call_clobbered): New function.
5016 (verify_alias_info): Use it.
5017 * tree-pass.h (pass_reset_cc_flags): New prototype.
5018 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5019 (reset_cc_flags): New function.
5020 * passes.c (init_optimization_passes): Call reset_cc_flags after
5021 initializing referenced_vars.
5023 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5024 Roger Sayle <roger@eyesopen.com>
5027 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5028 to 1.0 for non-real operands. Implement A / A optimization for
5031 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5033 * config/i386/i386.c (size_cost): Correct the comment for
5034 cost of storing fp registers.
5035 (i386_cost): Likewise.
5036 (i486_cost): Likewise.
5037 (pentium_cost): Likewise.
5038 (pentiumpro_cost): Likewise.
5039 (k6_cost): Likewise.
5040 (athlon_cost): Likewise.
5041 (k8_cost): Likewise.
5042 (pentium4_cost): Likewise.
5043 (nocona_cost): Likewise.
5044 (generic64_cost): Likewise.
5045 (generic32_cost): Likewise.
5047 2006-03-24 Denis Chertykov <denisc@overta.ru>
5049 * config/avr/avr-protos.h (extra_constraint): Delete.
5050 (extra_constraint_Q): New declaration.
5051 * config/avr/constraints.md: New file.
5052 * config/avr/avr.md: Include it.
5053 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5054 (TMP_REGNO, ZERO_REGNO): Likewise.
5055 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5056 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5057 (extra_constraint): Delete.
5058 (extra_constraint_Q): Test for memory constraint 'Q'.
5059 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5060 (REG_CLASS_FROM_LETTER): Delete.
5061 (CONST_OK_FOR_LETTER_P): Delete.
5062 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5063 (EXTRA_CONSTRAINT): Delete.
5064 (TMP_REGNO): Delete.
5065 (ZERO_REGNO): Delete.
5067 2006-03-24 Jeff Law <law@redhat.com>
5069 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5070 directly. Call mark_new_vars_to_rename slightly earlier.
5072 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5074 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5076 (gen_compile_unit_die): Use new language types for Objective-C and
5078 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5079 DW_LANG_C_plus_plus.
5082 * config/t-darwin (crt3.o): Work around bug 26840.
5083 * config/darwin-crt3.c: Rewrite.
5084 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5086 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5088 * doc/invoke.texi: Document -femit-class-debug-always
5089 * common.opt: Add -femit-class-debug-always.
5091 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5093 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5094 index and base register.
5095 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5096 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5097 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5098 REGNO_OK_FOR_INDEX_P.
5099 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5101 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5102 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5103 REG_OK_FOR_BASE_P): Definitions removed.
5105 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5108 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5109 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5110 set yet or weren't marked as local yet.
5112 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5114 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5117 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5119 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5120 (rs6000_legitimate_small_data_p): Delete.
5121 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5122 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5123 and make static. Add forward declaration. Update uses.
5124 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5125 of offsettable_memref_p.
5126 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5127 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5129 2006-03-24 Jeff Law <law@redhat.com>
5131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5132 around bug in immediate-use iterator.
5134 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5137 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5138 or __LITTLE_ENDIAN__.
5140 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5142 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5143 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5144 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5145 * config/sh/sh.opt (mdiv=): Amend description.
5146 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5147 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5148 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5149 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5150 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5151 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5152 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5153 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5154 TARGET_DIVIDE_CALL_FP.
5156 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5158 * haifa-sched.c (choose_ready): Fix type of the local variable.
5159 Move local variables. Add comment.
5160 (check_reg_live): Change signature. Make callable from debugger.
5161 * sched-int.h (check_reg_live): Update signature.
5162 * sched-ebb.c (check_reg_live): Update parameters.
5163 * sched-rgn.c (check_reg_live): Ditto.
5164 (region_head_or_leaf_p): Check pointer before dereferencing.
5165 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5166 before reload on optimization levels below 1.
5168 2006-03-23 Richard Henderson <rth@redhat.com>
5170 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5174 * config/alpha/predicates.md (local_symbolic_operand): Reject
5177 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5180 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5181 expressions which have overflowed constants.
5183 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5185 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5187 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5189 * cfgloopmanip.c (create_loop_notes): Removed.
5190 * final.c (final_scan_insn): Do not handle loop notes.
5191 * jump.c (squeeze_notes): Ditto.
5192 * cfglayout.c (skip_insns_after_block,
5193 duplicate_insn_chain): Ditto.
5194 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5196 * cfgloop.h (create_loop_notes): Declaration removed.
5198 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5200 * varasm.c (output_constant_pool): Restore fnname and fndecl
5202 (assemble_start_function): Adjust call accordingly.
5203 (assemble_end_function): Likewise.
5205 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5208 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5211 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5213 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5216 * system.h (ICE_EXIT_CODE): New macro.
5217 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5218 (diagnostic_action_after_output): Likewise.
5219 * gcc.c (fatal_ice): New function.
5220 (execute): Use it instead of fatal.
5221 (fancy_abort): Likewise.
5222 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5224 2006-03-22 Jeff Law <law@redhat.com>
5226 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5227 iv_analyze_result returning false.
5229 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5231 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5233 2006-03-22 Richard Henderson <rth@redhat.com>
5236 * except.c (duplicate_eh_regions_0): New.
5237 (duplicate_eh_region_1): Duplicate the children of the node as
5238 well as the node itself. Link them up properly.
5239 (duplicate_eh_region_2): Merge into ...
5240 (duplicate_eh_regions): ... here. Take copy_region argument, and
5241 copy only a sub-tree if asked. Simplify copying and fixup.
5242 (eh_region_outer_p): New.
5243 * except.h (duplicate_eh_regions): Update decl.
5244 (eh_region_outer_p): Declare.
5245 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5246 (lower_omp_master): Likewise.
5247 (lower_omp_ordered): Likewise.
5248 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5249 (move_stmt_r): Use it to remap labels. Handle recursion vs
5250 remap_decls_p properly.
5251 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5252 (find_outermost_region_in_block): New.
5253 (new_label_mapper): New.
5254 (move_sese_region_to_fn): Copy eh information to the new function
5256 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5258 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5261 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5263 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5264 into shared libraries.
5266 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5268 * doc/md.texi: Refer to i386/constraints.md instead of
5270 * config/i386/constraints.md: New file, extracted from...
5271 * config/i386/predicates.md: ...here.
5272 * config/i386/i386.md: Include constraints.md.
5274 2006-03-21 Jason Merrill <jason@redhat.com>
5276 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5279 * expr.c (init_block_move_fn): Force default visibility.
5280 (init_block_clear_fn): Likewise.
5281 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5282 * targhooks.c (default_external_stack_protect_fail): Likewise.
5284 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5286 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5287 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5288 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5289 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5290 (loadgp): Use mips_current_loadgp_style.
5291 (loadgp_noshared): New pattern.
5292 (sibcall_internal): Use MIPS_CALL.
5293 (sibcall_value_internal): Likewise.
5294 (sibcall_value_multiple_internal): Likewise.
5295 (call_internal): Likewise.
5296 (call_value_internal): Likewise.
5297 (call_value_multiple_internal): Likewise.
5298 (call_split): Use MIPS_CALL and add an 'S' constraint.
5299 (call_value_split): Likewise.
5300 (call_value_multiple_split): Likewise.
5301 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5302 (-mshared): New option.
5303 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5304 (mips_current_loadgp_style): Declare.
5305 * config/mips/mips.c (mips_classify_symbol): Avoid using
5306 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5307 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5308 TARGET_ABSOLUTE_ABICALLS.
5309 (override_options): Adjust comments. Improve the warning that is
5310 issued when -mabicalls and -G are used together.
5311 (mips_file_start): Remove comment.
5312 (mips_current_loadgp_style): New function.
5313 (mips_gnu_local_gp): New variable.
5314 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5316 (mips_output_function_prologue): Use mips_current_laodgp_style.
5317 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5318 the cprestore instruction.
5319 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5320 live for TARGET_ABSOLUTE_ABICALLS.
5321 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5322 (ASM_SPEC): Pass down -mshared and -mno-shared.
5323 (MIPS_CALL): New macro.
5324 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5326 * doc/invoke.texi (-mabicalls): Update documentation.
5327 (-mshared): Document.
5329 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5331 * config/ia64/unwind-hpux.c: New file.
5332 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5334 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5337 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5339 2006-03-21 Jeff Law <law@redhat.com>
5341 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5342 type conversions of a VR_VARYING source to a wider type.
5344 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5346 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5347 tm_file on Solaris 10 and later.
5348 (sparc64-*-solaris2*): Likewise.
5349 (sparc-*-solaris2*): Likewise.
5350 * config/sol26.h: Rename to config/sol2-6.h.
5351 * config/sol2-10.h: New file.
5353 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5356 * tree-ssa-pre.c (create_component_ref_by_pieces):
5359 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5362 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5363 return it immediately.
5365 2006-03-21 Michael Matz <matz@suse.de>
5367 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5369 (remove_arc, add_arc): Update num_out_arcs member.
5370 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5372 (cache_presence): New function.
5373 (compare_states_for_equiv): New function.
5374 (state_is_differed): Don't take number of outargs, adjust callers.
5375 Use new invariant for speeding up.
5376 (init_equiv_class): Create initial classes based on sorted
5378 (partition_equiv_class): Don't track out_arcs_num.
5379 (evaluate_equiv_classes): Call cache_presence on all states and
5382 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5384 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5385 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5386 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5387 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5389 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5390 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5391 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5392 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5393 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5395 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5396 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5397 (REGNO_REG_CLASS): ARGP is in PREGS.
5398 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5400 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5401 to deal with those addresses.
5402 * addresses.h: New file.
5403 * caller-save.c: Include "addresses.h".
5404 (init_caller_save): Use new base_reg_class function.
5405 * rtl-factoring.c: Include "addresses.h".
5406 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5407 * recog.c: Include "addresses.h".
5408 (preprocess_constraints): Use new base_reg_class function.
5409 * regrename.c: Include "addresses.h".
5410 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5411 functions. Keep track of a new var INDEX_CODE to compute valid
5413 (replace_oldest_value_addr): Likewise.
5414 (replace_oldest_value_mem): Use base_reg_class.
5415 * reload.c: Include "addresses.h".
5416 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5417 (find_reloads): Use new base_reg_class function.
5418 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5419 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5420 all callers and prototype changed.
5421 * reload1.c: Include "addresses.h".
5422 (maybe_fix_stack_asms): Use base_reg_class.
5423 * regclass.c: Include "addresses.h".
5424 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5425 (init_reg_autoinc): Use new base_reg_class function.
5426 (record_reg_classes): Likewise.
5427 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5428 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5429 Use new args to compute necessary class.
5431 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5432 regrename.o, rtl-factoring.o): Update dependencies.
5433 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5434 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5435 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5436 REG_OK_FOR_INDEX_P): Delete documentation.
5438 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5440 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5441 from V7 to V9 for Solaris 7 and above.
5443 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5445 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5446 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5447 argument pointers may not alias any other storage.
5448 * common.opt: Define option -fargument-noalias-anything.
5449 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5450 alias semantics is specified by flag_argument_noalias > 2.
5452 2006-03-20 Jeff Law <law@redhat.com>
5454 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5455 (pass_phi_only_cprop): Declare.
5456 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5458 * tree-ssa-dom.c (degenerate_phi_result): New function.
5459 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5460 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5461 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5462 (eliminate_degenerate_phis): Likewise.
5463 (pass_phi_only_cprop): New pass descriptor.
5464 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5465 support code. Callers updated.
5466 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5467 (store_copy_prop): Likewise.
5468 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5470 2006-03-20 Jason Merrill <jason@redhat.com>
5473 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5474 (push_visibility, pop_visibility): Likewise.
5475 * c-pragma.h: Declare them.
5477 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5479 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5481 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5482 parameter and use get_ebb_head_tail.
5483 (sh_md_init_global): Adjust uses of find_regmode_weight.
5485 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5487 * function.h (struct function) <x_tail_recursion_reentry>:
5488 Rename to x_stack_check_probe_note.
5489 (tail_recursion_reentry): Rename to stack_check_probe_note.
5490 * function.c: Replace tail_recursion_reentry with
5491 stack_check_probe_note everywhere.
5492 (expand_function_start): Only emit a note for
5493 stack_check_probe_note with -fstack-protect.
5494 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5496 * emit-rtl.c (remove_unnecessary_notes): Remove.
5497 (pass_remove_unnecessary_notes): Remove.
5498 * rtl.h (remove_unnecessary_notes): Remove prototype.
5499 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5500 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5501 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5503 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5506 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5507 (valid_in_set): Handle ARRAY_REF.
5508 Change "if min_variant or VH" to asserts.
5509 (create_component_ref_by_pieces): Handle ARRAY_REF.
5510 (create_expression_by_pieces): Likewise.
5511 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5513 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5515 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5516 is operand of switch, not str[0].
5518 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5520 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5521 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5523 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5525 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5526 end of insn_extra_address_constraint declaration.
5528 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5530 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5531 (no-sum-in-toc): Same.
5532 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5534 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5535 NO_FP_IN_TOC for -fPIC instead of mask.
5537 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5538 (BOOT_LDFLAGS): Delete.
5540 * config/rs6000/t-aix52: Same.
5542 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5543 (stmsi[345678]_power): New.
5545 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5547 * config/ia64/ia64.opt: Add empty line to end of file.
5549 2006-03-17 Richard Guenther <rguenther@suse.de>
5552 * builtins.c (get_pointer_alignment): For component style references
5553 adjust alignment to the component type alignment. Make sure
5554 to adjust alignment for component access of constants.
5556 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5558 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5561 2006-03-17 Paul Brook <paul@codesourcery.com>
5563 * doc/install.texi: Docuemnt --with-mode.
5564 * config.gcc: Add --with-mode for arm*-*-*.
5565 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5567 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5569 * sh.c (max_labelno_before_reorg): New variable.
5570 (sh_reorg): Initialize it.
5571 (find_barrier): Check max_labelno_before_reorg before using
5572 label_to_alignment. Take length of explicit alignment insns
5573 into account. When seeing a UNSPECV_CONST_END, return it.
5575 * sh.c (fixup_mova): Set mode of affected label to QImode.
5576 (untangle_mova): New function.
5577 (find_barrier): Use it. Check mode of label before decrementing
5579 (sh_reorg): Likewise.
5580 Set mode of all insns back to VOIDmode.
5582 * sh.c (MOVA_LABELREF): New macro.
5583 (mova_p, fixup_mova, sh_reorg): Use it.
5584 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5585 ADDR_DIFF_VEC matches mova.
5587 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5589 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5590 with ATTRIBUTE_UNUSED.
5592 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5594 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5595 pointer, instead of assuming it is possible to derive the
5596 correct args size from a call insn.
5598 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5600 * rtl.h (CONST_INT_P): Define.
5601 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5602 instead of GET_CODE(x) == CONST_INT.
5603 (vax_rtx_costs): Likewise.
5604 (vax_output_int_move): Likewise.
5605 (vax_output_int_add): Likewise.
5606 (legitimate_constant_address_p): Likewise.
5607 (index_term_p): Likewise.
5608 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5609 * config/vax/vax.md (and<mode>3): Likewise.
5610 (ashrsi3): Likewise.
5612 (movstricthi): Likewise.
5613 (movstrictqi): Likewise.
5614 (rotrsi3): Likewise.
5615 (five unnamed insns): Likewise.
5617 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5619 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5620 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5621 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5622 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5623 Pass to ASM_OUTPUT_DWARF_OFFSET.
5624 * dwarf2out.c (debug_frame_section): New.
5625 (output_call_frame_info): Use debug_frame_section. Pass it to
5626 dw2_asm_output_offset.
5627 (output_die): Pass appropriate section to dw2_asm_output_offset.
5628 (output_compilation_unit_header): Likewise.
5629 (output_pubnames): Likewise.
5630 (output_aranges): Likewise.
5631 (enum dw_val_class): Break dw_val_class_lbl_offset into
5632 dw_val_class_lineptr and dw_val_class_macptr.
5633 (add_AT_lbl_offset): Delete.
5634 (add_AT_lineptr): New.
5635 (add_AT_macptr): New.
5636 (AT_lbl): Expect a lineptr or macptr.
5637 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5638 (attr_checksum): Likewise.
5639 (same_dw_val_p): Likewise.
5640 (size_of_die): Likewise.
5641 (value_format): Likewise.
5642 (output_die): Likewise.
5643 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5645 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5646 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5647 * config/darwin-protos.h (darwin_file_start): New.
5648 (darwin_asm_output_dwarf_offset): New.
5649 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5650 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5652 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5653 if not EH section; simplify.
5654 (darwin_file_start): New.
5655 (darwin_asm_output_dwarf_offset): New.
5656 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5658 (DEBUG_INFO_SECTION): Likewise.
5659 (DEBUG_ABBREV_SECTION): Likewise.
5660 (DEBUG_ARANGES_SECTION): Likewise.
5661 (DEBUG_MACINFO_SECTION): Likewise.
5662 (DEBUG_LINE_SECTION): Likewise.
5663 (DEBUG_LOC_SECTION): Likewise.
5664 (DEBUG_PUBNAMES_SECTION): Likewise.
5665 (DEBUG_STR_SECTION): Likewise.
5666 (DEBUG_RANGES_SECTION): Likewise.
5667 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5668 (ASM_OUTPUT_DWARF_OFFSET): New.
5670 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5672 * config.gcc (tm_defines): Always add to previous value rather
5675 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5677 * config/mips/predicates.md (splittable_const_int_operand): New,
5678 split from move_operand.
5679 (splittable_symbolic_operand): New.
5680 (move_operand): Add commentary. Use splittable_const_int_operand.
5681 Inline mips_atomic_symbolic_constant_p.
5682 * config/mips/mips.md: Add combine splitters for handling moves
5683 of splittable_const_int_operands and splittable_symbolic_operands.
5684 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5685 (mips_split_symbol): Declare.
5686 (mips_move_integer): Declare.
5687 * config/mips/mips.c (mips_split_p): Make global.
5688 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5689 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5690 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5691 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5692 (mips_offset_within_object_p): Handle block symbols.
5693 (mips_atomic_symbolic_constant_p): Delete.
5694 (mips_cannot_force_const_mem): Return false for constants that
5695 mips_legitimize_move can handle.
5696 (mips_use_blocks_for_constant_p): New function.
5697 (mips_split_symbol): Make global.
5698 (mips_move_integer): Likewise. Add a temporary register argument.
5699 (mips_legitimize_const_move): Use splittable_const_int_operand and
5700 splittable_symbolic_operand.
5701 (mips_use_anchors_for_symbol_p): New function.
5702 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5703 (mips_split_p): Declare.
5705 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5707 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5708 (mips*-*-linux*): Likewise.
5710 2006-03-16 Roger Sayle <roger@eyesopen.com>
5711 Daniel Speyer <dspeyer@wam.umd.edu>
5714 * tree-dump.c (dump_real): New function.
5715 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5716 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5717 (tree-dump.o): Add $(REAL_H) to the dependencies.
5719 2006-03-16 Roger Sayle <roger@eyesopen.com>
5722 * real.c (real_from_string): If the mantissa is zero, don't bother
5723 parsing the exponent as the result should always be zero.
5725 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5727 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5729 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5731 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5732 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5733 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5734 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5735 ia64_sched_finish_global): New static functions to implement
5736 hooks from gcc_target.sched.
5737 (spec_check_no, max_uid, pending_data_specs): New static variables.
5738 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5739 ia64_spec_check_src_p): New static functions.
5740 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5741 (TARGET_SCHED_ADJUST_COST): Removed.
5742 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5743 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5744 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5745 TARGET_SCHED_GEN_CHECK,
5746 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5747 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5748 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5749 Fixed to handle speculation checks.
5750 (rtx_needs_barrier): Fixed to handle speculative loads and
5752 (ia64_variable_issue): Added code to count speculative loads and their
5754 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5756 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5758 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5760 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5761 (ia64_reorg): Reset stops_p to NULL after it is freed.
5762 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5763 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5764 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5766 (data_speculative, control_speculative, check_load): New attributes.
5767 (mov<mode>_advanced, mov<mode>_speculative,
5768 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5769 zero_extend<mode>di2_speculative,
5770 zero_extend<mode>di2_speculative_advanced): New patterns for
5771 data and control speculative loads.
5772 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5774 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5775 New pattern for data and control speculation checks.
5776 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5777 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5778 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5779 Auxiliary definitions for the patterns.
5780 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5781 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5783 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5785 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5786 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5787 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5788 New resource constraints.
5789 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5791 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5792 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5793 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5794 msched-in-control-spec, msched-ldc, msched-control-ldc,
5795 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5796 msched-prefer-non-control-spec-insns,
5797 msched-count-spec-in-critical-path): New flags to tune speculative
5799 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5800 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5801 msched-in-control-spec, msched-ldc, msched-control-ldc,
5802 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5803 msched-prefer-non-control-spec-insns,
5804 msched-count-spec-in-critical-path): Document new flags.
5806 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5808 * target.h (struct spec_info_def): New opaque declaration.
5809 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5810 speculate_insn, needs_block_p, gen_check,
5811 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5812 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5813 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5814 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5815 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5816 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5818 (TARGET_SCHED): Use new macros.
5819 * rtl.h (copy_DEPS_LIST_list): New prototype.
5820 * sched-int.h (struct sched_info): Change signature of new_ready field,
5821 adjust all initializations. New fields: add_remove_insn,
5822 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5823 region_head_or_leaf_p.
5824 (struct spec_info_def): New structure declaration.
5825 (spec_info_t): New typedef.
5826 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5827 recovery_block, orig_pat.
5828 (glat_start, glat_end): New variables declaraions.
5829 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5831 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5832 DETACH_LIFE_INFO, USE_GLAT.
5833 (enum SPEC_SCHED_FLAGS): New enumeration.
5834 (NOTE_NOTE_BB_P): New macro.
5835 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5836 attach_life_info, debug_spec_status, check_reg_live): New functions.
5837 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5838 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5840 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5841 * ddg.c (get_block_head_tail): Adjust all uses.
5842 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5843 (sms_sched_info): Initialize new fields.
5844 (contributes_to_priority): Removed.
5845 * haifa-sched.c (params.h): New include.
5846 (get_block_head_tail): Adjust all uses.
5847 (ISSUE_POINTS): New macro.
5848 (glat_start, glat_end): New global variables.
5849 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5850 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5851 old_last_basic_block, before_recovery, current_sched_info_var,
5852 rgn_n_insns, luid): New static variables.
5853 (insn_cost1): New function. Move logic from insn_cost to here.
5854 (find_insn_reg_weight1): New function. Move logic from
5855 find_insn_reg_weight to here.
5856 (reemit_notes, move_insn, max_issue): Change signature.
5857 (move_insn1): Removed.
5858 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5859 extend_bb): New static functions to support extension of scheduler's
5861 (generate_recovery_code, process_insn_depend_be_in_spec,
5862 begin_speculative_block, add_to_speculative_block,
5863 init_before_recovery, create_recovery_block, create_check_block_twin,
5864 fix_recovery_deps): New static functions to support
5865 generation of recovery code.
5866 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5867 restore_bb_notes, move_block_after_check, move_succs): New static
5868 functions to support ebb scheduling.
5869 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5870 functions to support handling of register live information.
5871 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5872 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5873 add_jump_dependencies): New static functions.
5874 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5875 consistancy checking.
5876 (debug_spec_status): New function to call from debugger.
5877 (priority): Added code to handle speculation checks.
5878 (rank_for_schedule): Added code to distinguish speculative instructions.
5879 (schedule_insn): Added code to handle speculation checks.
5880 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5881 Fixed to handle ebbs.
5882 (move_insn): Added code to handle ebb scheduling.
5883 (max_issue): Added code to use ISSUE_POINTS of instructions.
5884 (choose_ready): Added code to choose between speculative and
5885 non-speculative instructions.
5886 (schedule_block): Added code to handle ebb scheduling and scheduling of
5887 speculative instructions.
5888 (sched_init): Initialize new variables.
5889 (sched_finish): Free new variables. Print statistics.
5890 (try_ready): Added code to handle speculative instructions.
5891 * lists.c (copy_DEPS_LIST_list): New function.
5892 * sched-deps.c (extend_dependency_caches): New function. Move logic
5893 from create_dependency_caches to here.
5894 (get_dep_weak, ds_merge): Make global.
5895 * genattr.c (main): Code to output prototype for
5896 dfa_clear_single_insn_cache.
5897 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5898 (output_dfa_clean_insn_cache_func): Code to output
5899 dfa_clear_single_insn_cache function.
5900 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5902 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5904 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5905 New static variables.
5906 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5907 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5909 (ebb_sched_info): Initialize new fields.
5910 (get_block_head_tail): Adjust all uses.
5911 (compute_jump_reg_dependencies): Fixed to use glat_start.
5912 (schedule_ebb): Code to remove unreachable last block.
5913 (schedule_ebbs): Added code to update register live information.
5914 * sched-rgn.c (region_sched_info): Initialize new fields.
5915 (get_block_head_tail): Adjust all uses.
5916 (last_was_jump): Removed. Adjust users.
5917 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5918 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5919 Implement new hooks.
5920 (check_dead_notes1): New static function.
5921 (struct region): New fields: dont_calc_deps, has_real_ebb.
5922 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5923 (BB_TO_BLOCK): Fixed to handle EBBs.
5924 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5925 (ebb_head): New static variable.
5926 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5927 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5929 (compute_dom_prob_ps): New assertion.
5930 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5931 global_live_at_start.
5932 (init_ready_list): New assertions.
5933 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5934 (new_ready): Add support for BEGIN_CONTROL speculation.
5935 (schedule_insns): Fixed code that updates register live information
5937 (schedule_region): Fixed to handle EBBs.
5938 (init_regions): Use extend_regions and check_dead_notes1.
5939 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5940 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5941 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5942 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5943 TARGET_SCHED_GEN_CHECK,
5944 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5945 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5946 * doc/invoke.texi (max-sched-insn-conflict-delay,
5947 sched-spec-prob-cutoff): Document.
5949 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5951 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5952 inter_tick, queue_index.
5953 (struct sched_info): Change signature of init_ready_list field.
5954 Adjust all initializations.
5955 (RESOLVED_DEPS): New access macro.
5956 (ready_add): Remove prototype.
5957 (try_ready): Add prototype.
5958 * sched-rgn.c (init_ready_list): Use try_ready.
5959 (schedule_region): Initialize
5960 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5961 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5962 (init_ready_list): Use try_ready.
5963 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5964 * lists.c (remove_list_elem): Remove `static'.
5965 (remove_free_INSN_LIST_elem): New function.
5966 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5967 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5968 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5970 (readyp): New variable.
5971 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5972 change_queue_index, resolve_dep): New static functions.
5973 (try_ready): New function. Adjust callers in sched-rgn.c and
5974 sched-ebb.c to use it instead of ready_add.
5975 (clock_var): Move at the begining of file.
5976 (rank_for_schedule): Fix typo.
5977 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5978 (ready_lastpos): Enforce assertion.
5979 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5981 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5982 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5983 (queue_to_ready): Use free_INSN_LIST_list.
5984 (early_queue_to_ready): Fix typo.
5985 (schedule_block): Init readyp. Move init_ready_list call after the
5986 initialization of clock_var. Fix error in rejecting insn by
5987 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5988 that previously corrected INSN_TICKs. Add code for handling
5990 (set_priorities): Fix typo.
5991 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5992 Clarify comment and code that keeps current_sched_info->next_tail
5995 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5997 * sched-rgn.c (extend_rgns): New static function.
5998 (find_rgns): Use it.
5999 (gather_region_statistics, print_region_statistics): New static
6001 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6002 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6004 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6005 Andrey Belevantsev <abel@ispras.ru>
6007 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6008 * lists.c (unused_deps_list): New variable.
6009 (free_list): Add assertions to verify the proper distinguishing
6010 between INSN_LISTs and DEPS_LISTs.
6011 (find_list_elem, remove_list_elem, remove_list_node): New static
6013 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6014 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6015 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6016 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6018 (free_INSN_LIST_node): Likewise.
6019 * modulo-sched.c (current_sched_info): Initialize flags field.
6020 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6021 * rtl.def (DEPS_LIST): Define.
6022 * rtl.h: Declare new functions from lists.c.
6023 * sched-deps.c (spec_dependency_cache): New static variable.
6024 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6025 (add_dependence): Change return type to void. Move the logic to ...
6026 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6027 (delete_all_dependences): Add comment about forward_dependency_cache.
6028 Handle spec_dependency_cache. Handle DEPS_LISTs.
6029 (fixup_sched_groups): Clarify the change of priority of output
6030 and anti dependencies.
6031 (sched_analyze_2): Adjust add_dependence calls to create data
6032 speculative dependence.
6033 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6034 Adjust all callers. Handle DEPS_LISTS.
6035 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6036 presence of speculation.
6037 (init_dependency_caches, free_dependency_caches):
6038 Handle spec_dependency_cache.
6039 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6040 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6041 New static functions.
6042 (add_or_update_back_dep, add_or_update_back_forw_dep,
6043 add_back_forw_dep, delete_back_forw_dep): New functions.
6044 * sched-int.h (ds_t, dw_t): New typedefs.
6045 (struct sched_info): Add new field flags.
6046 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6047 Prototype new sched-deps.c functions.
6048 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6049 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6050 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6051 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6052 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6053 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6055 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6057 * sched-rgn.c (current_sched_info): Initialize flags field.
6058 (schedule_insns): Initialize current_sched_info before the sched_init
6060 * sched-ebb.c (current_sched_info): Initialize flags field.
6061 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6062 Call add_or_update_back_dep instead of add_dependence.
6063 Create control speculative dependencies.
6064 (schedule_insns): Initialize current_sched_info before the sched_init
6067 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6069 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6071 (sh_fallback_frame_state): Likewise.
6073 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6075 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6076 Do switch on default_use_cxa_atexit.
6077 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6078 * config/darwin-crt3.o: New.
6079 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6080 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6081 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6083 * config/rs6000/t-darwin: Move crt2.o building to here.
6084 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6085 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6088 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6090 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6091 from '! xxx' to '!xxx' for coding-style conformance.
6092 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6093 (EXTRA_CONSTRAINT): Likewise.
6094 * config/vax/vax.md (four unnamed insns): Likewise.
6096 2006-03-15 Paul Brook <paul@codesourcery.com>
6098 * config/arm/arm.c (minipool_pad): New.
6099 (add_minipool_forward_ref): Include pool alignment padding in address
6101 (push_minipool_fix): Set minipool_pad.
6102 (minipool_pad): Ditto.
6104 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6106 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6107 instead of GET_CODE() == MEM and REG_P() instead of
6109 (print_operand_address): Likewise.
6110 (vax_address_cost): Likewise.
6111 (vax_rtx_costs): Likewise.
6112 (vax_notice_update_cc): Likewise.
6113 (vax_output_int_add): Likewise.
6114 (INDEX_REGISTER_P): Likewise.
6115 (BASE_REGISTER_P): Likewise.
6116 (nonindexed_address_p): Likewise.
6117 (vax_mode_dependent_address_p): Likewise.
6118 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6119 (PRINT_OPERAND): Likewise.
6120 * config/vax/vax.md (ashlsi3): Likewise.
6121 (ashlsi3): Likewise.
6122 (some more unnamed insns): Likewise.
6124 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6126 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6127 iterator-style macro.
6128 (mark_control_dependent_edges_necessary): Update the use of
6129 EXECUTE_IF_CONTROL_DEPENDENT.
6131 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6133 * config/sh/predicates.md (cache_address_operand): Special.
6134 (ua_address_operand): Likewise.
6136 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6138 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6140 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6142 2006-03-15 Andreas Schwab <schwab@suse.de>
6144 * gensupport.c (identify_predicable_attribute): Don't free p_false
6145 when it is still in use.
6147 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6149 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6150 the default setting here.
6152 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6154 * tree-pass.h (pass_cfg): Remove.
6155 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6156 * passes.c (pass_cfg): Don't run it.
6158 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6160 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6161 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6163 (stack_regs_mentioned): Update the uses of
6164 stack_regs_mentioned_data. Don't access the array beyond its
6166 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6167 Don't include gt-reg-stack.h.
6169 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6170 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6172 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6175 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6178 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6180 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6182 2006-03-14 Richard Guenther <rguenther@suse.de>
6184 PR tree-optimization/26672
6185 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6188 2006-03-14 Richard Guenther <rguenther@suse.de>
6190 PR tree-optimization/26667
6191 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6192 node for the callees. Always allow inlining if it will shrink
6195 2006-03-14 Richard Guenther <rguenther@suse.de>
6198 * builtins.c (get_pointer_alignment): Prefer alignment
6199 information from decls over that from types.
6201 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6204 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6206 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6208 * config/rs6000/rs6000.opt (mdlmzb): New option.
6209 (msched-prolog, msched-epilog): Use Var not Mask.
6210 * doc/invoke.texi (-mdlmzb): Document.
6211 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6213 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6214 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6216 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6218 PR rtl-optimization/25739
6219 * bt-load.c (augment_live_range): Free tos pointer.
6221 * gensupport.c (identify_predicable_attribute): Free
6223 * gcov.c (create_file_names): Free name pointer.
6225 2006-03-13 Roger Sayle <roger@eyesopen.com>
6228 * stmt.c (emit_case_nodes): Handle the case where the index is a
6229 CONST_INT, where the comparison mode is specified by the index type.
6231 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6233 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6236 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6238 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6239 (*branch_fp_inverted): Likewise.
6241 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6244 * omp-low.c (expand_omp_for_generic): Mark istart0
6245 and iend0 as addressable.
6247 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6249 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6251 2006-03-13 Jeff Law <law@redhat.com>
6253 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6254 virtual operands are interesting.
6255 (vrp_visit_stmt): Corresponding changes.
6257 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6259 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6261 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6262 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6263 * config/bfin/crti.S: Use it instead of __PIC__.
6264 * config/bfin/crtn.S: Likewise.
6266 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6267 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6269 Lose 'G' modifier for call operand.
6270 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6271 recognize 'G' modifier.
6273 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6276 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6277 * stmt.c (expand_case): Likewise.
6279 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6281 PR rtl-optimization/26254
6282 * loop-invariant.c (seq_insns_valid_p): New function.
6283 (move_invariant_reg): Only emit new code if it is valid.
6285 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6287 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6289 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6290 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6291 (commit_one_edge_insertion): Do not look for loop notes.
6293 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6295 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6296 flag_test_coverage out of loop.
6298 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6300 * final.c (shorten_branches): Remove outdated comment, and turn
6301 the if branch that guards it to continue.
6303 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6305 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6306 * cfgloop.h (struct loop): Remove unused fields.
6308 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6310 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6311 (-dL, -fdump-rtl-loop2): Update the dump file names
6313 * doc/invoke.texi: Update dump file names.
6315 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6317 * predict.c (estimate_probability): Remove.
6318 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6319 * basic-block.h (estimate_probability): Remove prototype.
6320 * passes.c (finish_optimization_passes): Dump branch prediction or
6321 profiling heuristics to the .profile tree dump.
6322 (init_optimization_passes): Unqueue pass_branch_prob.
6324 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6326 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6328 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6329 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6331 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6333 * function.h (frame_offset_overflow): Declare.
6334 * function.c (frame_offset_overflow): New function.
6335 (assign_stack_local_1): Call it to detect that the offset overflows.
6336 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6338 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6340 * config/sh/sh.c: Include alloc-pool.h.
6341 (label_ref_list_pool): New alloc pool.
6342 (label_ref_list_t): New type for lists of labels.
6343 (struct pool_node): Make wend a label_ref_list_t.
6344 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6346 (dump_table): Likewise.
6347 (sh_reorg): Set up the alloc pool before using add_constant and
6348 dump_table, and destroy it when finishing.
6350 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6352 * config/mips/mips.c: Remove redundant comment.
6354 2006-03-10 Jason Merrill <jason@redhat.com>
6357 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6358 the target was declared 'register'.
6360 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6362 * genpreds.c (write_insn_constraint_len): Change definition of
6363 insn_constraint_len to return size_t to match the declaration.
6365 2006-03-10 DJ Delorie <dj@redhat.com>
6367 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6369 (m32c_expand_insv): Fix test for an AND mask.
6371 2006-03-10 Richard Guenther <rguenther@suse.de>
6374 * builtins.c (get_pointer_alignment): Handle component
6375 references for field alignment.
6377 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6379 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6380 when building with libgloss.
6381 (sh*elf): Implement --without-fp option.
6382 (sh64-superh-linux*): Don't multilib.
6384 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6386 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6388 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6390 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6391 Set it when one of the replacement functions returned true.
6392 Return TODO_cleanup_cfg if cfgchanged is true.
6393 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6395 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6397 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6398 instead of gen_lowpart.
6400 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6402 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6404 (mips_output_order_conditional_branch): Declare.
6405 * config/mips/mips.h (MIPS_BRANCH): New macro.
6406 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6407 for the comparison. Use gen_condjump.
6408 (mips_output_conditional_branch): Rework interface to take the
6409 asm templates for a direct branch and the inverse of a direct branch.
6410 (mips_output_order_conditional_branch): New function.
6411 (mips_builtin_branch_and_move): New function.
6412 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6413 branch condition. Use gen_single_cc as the condition for
6414 __builtin_mips_upper_* or __builtin_mips_lower_*.
6415 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6416 Use VOIDmode for the branch condition.
6417 * config/mips/predicates.md (order_operator): New predicate.
6418 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6419 (branch_fp): Rename to...
6420 (*branch_fp): ...this. Remove mode from comparison operator.
6421 Use new mips_output_conditional_branch interface.
6422 (branch_fp_inverted): Rename to...
6423 (*branch_fp_inverted): ...this and update as for *branch_fp.
6424 (*branch_zero<mode>): Rename to...
6425 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6426 Use mips_output_order_conditional_branch. Only accept ordered
6428 (*branch_zero<mode>_inverted): Rename to...
6429 (*branch_order<mode>_inverted): ...this and update as for
6430 *branch_order<mode>.
6431 (*branch_equality<mode>): Accept zero as the second operand to
6432 the equality operator. Use the new mips_output_conditional_branch
6434 (*branch_equality<mode>_inverted): Likewise.
6435 (condjump): New expander.
6436 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6438 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6439 (bc1any2t, bc1any2f): Likewise.
6440 (single_cc): New expander.
6441 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6443 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6445 * doc/md.texi: Update documentation of MIPS constraints.
6446 * config/mips/constraints.md: New file.
6447 * config/mips/mips.md: Include it.
6448 * config/mips/mips.c (mips_char_to_class): Delete.
6449 (override_options): Don't initialize mips_char_to_class.
6450 * config/mips/mips.h (mips_char_to_class): Delete.
6451 (REG_CLASS_FROM_LETTER): Delete.
6452 (CONST_OK_FOR_LETTER_P): Delete.
6453 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6454 (EXTRA_CONSTRAINT_Y): Delete.
6455 (EXTRA_CONSTRAINT_STR): Delete.
6456 (CONSTRAINT_LEN): Delete.
6457 (EXTRA_MEMORY_CONSTRAINT): Delete.
6459 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6461 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6462 original fn's eh regions.
6464 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6466 * fold-const.c (build_range_check): Make sure to use a valid type to
6467 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6470 (range_predecessor): New static function.
6471 (range_successor): Likewise.
6472 (merge_ranges): Use them to compute predecessors and successors of
6475 2006-03-09 Roger Sayle <roger@eyesopen.com>
6478 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6479 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6481 2006-03-08 DJ Delorie <dj@redhat.com>
6483 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6484 (addpsi3): Expand to include memory operands. Remove
6485 reload-specific splits.
6486 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6487 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6488 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6489 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6490 (shift1_qi, shift1_hi, insv): New.
6491 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6492 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6493 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6495 * config/m32c/m32c-protos.h: Update as needed.
6496 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6497 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6498 Fail for unrecognized R* constraints.
6499 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6500 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6501 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6503 (m32c_init_libfuncs): New.
6504 (m32c_legitimate_address_p): Add debug wrapper.
6505 (m32c_rtx_costs): New.
6506 (m32c_address_cost): New.
6507 (conversions): Add 'B' prefix.
6508 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6509 operands, or word regnames for QI operands. 'B' prints bit
6511 (m32c_expand_setmemhi): New.
6512 (m32c_expand_movmemhi): New.
6513 (m32c_expand_movstr): New.
6514 (m32c_expand_cmpstr): New.
6515 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6516 (m32c_expand_neg_mulpsi3): Handle non-ints.
6517 (m32c_cmp_flg_0): New.
6518 (m32c_expand_movcc): New.
6519 (m32c_expand_insv): New.
6520 (m32c_scc_pattern): New.
6521 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6522 a0/a1 out of SIregs.
6523 (STORE_FLAG_VALUE): New.
6524 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6527 * config/m32c/mov.md: Make constraints more liberal.
6528 (zero_extendqihi2): Optimize r0/r1 case.
6529 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6530 * config/m32c/predicates.md (m32c_any_operand): New.
6531 (m32c_nonimmediate_operand): New.
6532 (m32c_hl_operand): New.
6533 (m32c_r3_operand): New.
6536 (memsym_operand): New.
6537 (memimmed_operand): New.
6538 (a_qi_operand): New.
6539 (m32c_eqne_operator): New.
6540 (m32c_1bit8_operand): New.
6541 (m32c_1bit16_operand): New.
6542 (m32c_1mask8_operand): New.
6543 (m32c_1mask16_operand): New.
6544 * config/m32c/blkmov.md: New file.
6545 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6547 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6549 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6550 unsigned to fix signed/unsigned comparison issue in
6551 DWARF2_FRAME_REG_OUT.
6552 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6553 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6555 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6556 of ptr into the ENABLE_CHECKING section.
6558 2006-03-08 Jeff Law <law@redhat.com>
6560 * tree-vrp.c (infer_value_range): Only count pointer uses
6561 and dereferences if -fdelete-null-pointer-checks is enabled.
6563 * tree-vrp.c (find_assert_locations): Infer value ranges for
6564 single use pointers, but do not create ASSERT_EXPRs for them.
6565 When a non-null range is inferred for a pointer, backwards
6566 propagate that range to other equivalent pointers through the
6569 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6572 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6573 language hook targets.
6574 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6575 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6576 if language hook targets were missing.
6578 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6580 * tree-ssa-opfinalize.h: Removed.
6581 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6583 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6584 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6585 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6586 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6587 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6588 finalize_ssa_v_must_def_ops): New.
6590 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6592 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6595 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6597 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6599 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6600 addresses with offsets; reorganize.
6602 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6603 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6604 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6606 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6609 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6611 2006-03-08 Ben Elliston <bje@au.ibm.com>
6613 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6615 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6618 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6621 2006-03-07 Richard Guenther <rguenther@suse.de>
6623 PR tree-optimization/26587
6624 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6626 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6628 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6630 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6632 * hooks.c (hook_bool_mode_rtx_true): New function.
6633 * hooks.h (hook_bool_mode_rtx_true): Declare.
6634 * toplev.c (compile_file): Call output_shared_constant_pool.
6635 * varasm.c (shared_constant_pool): New variable.
6636 (assemble_start_function, assemble_end_function): Remove arguments
6637 from call to output_constant_pool.
6638 (create_constant_pool): New function, split out from...
6639 (init_varasm_status): ...here.
6640 (force_const_mem): Choose between the shared and per-function constant
6641 pools. Set current_function_uses_const_pool when reusing old entries
6642 as well as when creating new ones.
6643 (mark_constant): Ignore data argument.
6644 (mark_constants): Remove pool argument.
6645 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6646 to decide whether the function uses a constant pool.
6647 (output_constant_pool_contents): New function, split out from...
6648 (output_constant_pool): ...here.
6649 (output_shared_constant_pool): New function.
6650 (init_varasm_once): Initialize shared_constant_pool.
6651 * output.h (output_constant_pool): Delete.
6652 (output_shared_constant_pool): Declare.
6653 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6654 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6656 2006-03-06 Nick Clifton <nickc@redhat.com>
6658 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6659 flag_strength_reduce.
6661 2006-03-06 Ben Elliston <bje@au.ibm.com>
6663 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6664 x86_64-*-linux* configurations.
6666 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6667 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6669 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6671 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6673 * basic-block.h: Remove the extern for
6674 rediscover_loops_after_threading.
6676 * cfgloop.c (cancel_loop): Make it static.
6677 * cfgloop.h: Remove the prototype for cancel_loop.
6679 * flow.c (recompute_reg_usage): Make it static.
6680 * rtl.h: Remove the prototype for recompute_reg_usage.
6682 * function.c (use_return_register): Make it static.
6683 * function.h: Remove the prototype.
6685 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6687 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6689 * recog.h: Remove the prototype for
6690 validate_change_maybe_volatile.
6692 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6694 * rtlanal.c (replace_reg): Remove.
6695 * rtl.h: Remove the prototype for replace_reg.
6697 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6699 * regclass.c (reg_scan_update): Remove.
6700 (reg_scan_mark_refs): Remove the last argument.
6701 * rtl.h: Remove the prototype for reg_scan_update.
6703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6705 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6706 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6707 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6708 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6709 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6710 loop-invariant.c, omp-low.c, opts.c, passes.c,
6711 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6712 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6713 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6714 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6715 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6716 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6718 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6720 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6721 * dwarf2out.h: Remove the prototype for
6722 dwarf2out_add_library_unit_info.
6724 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6726 * tree.c (add_var_to_bind_expr): Remove.
6727 * tree.h: Remove the prototype for add_var_to_bind_expr.
6729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6731 * regclass.c (n_non_fixed_regs): Remove.
6732 (init_reg_sets_1, globalize_reg): Remove all uses of
6734 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6736 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6738 * rtlanal.c (insns_safe_to_move_p): Remove.
6739 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6743 * expmed.c (expand_mult_add): Remove.
6744 * expr.h: Remove the prototype for expand_mult_add.
6746 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6748 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6749 and REG_SAVED_VAL_EXP constants.
6750 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6751 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6752 Handle regs stored by value.
6753 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6754 (execute_cfa_program): Handle DW_CFA_val_offset,
6755 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6756 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6757 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6758 (uw_install_context_1): Handle target regs stored by value.
6760 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6762 * tree-sra.c (tree_sra): Return todoflags;
6763 (generate_one_element): Set TODO_update_smt_usage if needed.
6764 (pass_sra): Remove TODO_update_smt_usage.
6765 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6767 (tree_ssa_forward_propagate_single_use_vars): Return
6768 TODO_update_smt_usage if we need to update SMT usage.
6769 (pass_forwprop): Remove TODO_update_smt_usage.
6771 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6773 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6774 (correct_use_link): Remove reference to get_stmt_operands.
6775 (update_stmt_operands): Likewise.
6776 (get_modify_expr_operands): New function factored out of
6777 parse_ssa_operands and get_expr_operands.
6778 Try to create V_MUST_DEFs for LHS by default.
6779 (get_expr_operands) <case MODIFY_EXPR>: Call
6780 get_modify_expr_operands.
6781 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6782 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6783 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6784 get_modify_expr_operands.
6786 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6788 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6789 * tree-flow.h: Remove the prototype for
6790 referenced_var_lookup_if_exists.
6792 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6794 PR rtl-optimization/26345
6796 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6798 2006-03-03 Roger Sayle <roger@eyesopen.com>
6800 PR tree-optimization/26524
6801 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6802 fold_convert to create a constant of the appropriate type.
6804 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6806 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6807 SYMBOL_REF_IN_BLOCK_P.
6808 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6809 of SYMBOL_FLAG_IN_BLOCK.
6810 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6811 instead of SYMBOL_REF_IN_BLOCK_P.
6812 * explow.c (use_anchored_address): Likewise.
6813 * rtl.c (rtx_size): Likewise.
6814 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6815 instead of SYMBOL_FLAG_IN_BLOCK.
6816 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6817 SYMBOL_REF_IN_BLOCK_P.
6818 (assemble_variable): Likewise.
6819 (output_constant_def_contents): Likewise.
6820 (output_constant_pool): Likewise.
6821 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6822 instead of SYMBOL_FLAG_IN_BLOCK.
6823 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6824 SYMBOL_REF_IN_BLOCK_P.
6825 (SYMBOL_REF_BLOCK): Likewise.
6826 (SYMBOL_REF_OFFSET): Likewise.
6827 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6828 SYMBOL_REF_IN_BLOCK_P.
6829 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6830 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6831 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6832 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6834 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6836 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6838 2006-03-02 Roger Sayle <roger@eyesopen.com>
6840 * simplify-rtx.c (simplify_unary_operation): When simplifying
6841 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6842 that we perform the right shift in the appropriate mode, and
6843 then extend or truncate the result to requested mode.
6845 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6847 * gengtype.c (main): Handle double_int type.
6848 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6849 * double-int.c: New file.
6850 * double-int.h: New file.
6851 * system.h: Include doubleint.h.
6852 * Makefile.in (SYSTEM_H): Include double-int.h.
6853 (double-int.o): Add.
6855 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6858 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6861 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6863 * tree-vrp.c (remove_range_assertions): Do not update statements
6866 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6868 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6870 * gcse.c (rest_of_handle_gcse): Ditto.
6871 * except.c (gate_handle_eh): Ditto.
6872 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6873 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6875 2006-03-02 Eric Christopher <echristo@apple.com>
6877 * config/i386/i386.c (machopic_output_stub): Add indirection to
6880 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6884 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6886 Sun Niagara specific optimizations.
6887 * config.gcc: Recognize niagara as target.
6888 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6889 (TARGET_CPU_niagara): Define.
6890 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6891 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6892 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6893 (ASM_CPU_SPEC): Likewise.
6894 (PROCESSOR_NIAGARA): New enum entry.
6895 (REGISTER_MOVE_COST): Handle Niagara.
6896 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6897 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6898 (sparc_override_options): Recognize "niagara", set appropriate
6899 default MASK_* values for it, and align functions to 32-bytes
6900 by default just like ULTRASPARC/ULTRASPARC3.
6901 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6902 (sparc64_initialize_trampoline): Likewise.
6903 (sparc_use_sched_lookahead): Use zero for niagara.
6904 (sparc_issue_rate): Use one for niagara.
6905 * config/sparc/niagara.md: New file.
6906 * config/sparc/sparc.md: Include it.
6907 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6908 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6909 when default cpu is niagara.
6910 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6911 (ASM_CPU_SPEC): Likewise.
6912 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6913 when default cpu is niagara.
6914 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6915 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6916 just like v9/ultrasparc/ultrasparc3.
6917 * doc/invoke.texi: Add documentation for "niagara" and improve
6918 existing documentation for ultrasparc variants.
6920 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6922 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6924 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6926 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6927 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6928 and say that only one is needed.
6929 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6930 * target.h (have_switchable_bss_sections): New hook.
6931 * explow.c (use_anchored_address): Check that the symbol is in a block.
6932 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6933 (bss_noswitch_section): New variables.
6934 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6935 (get_noswitch_section): New function.
6936 (get_block_for_section): Allow SECT to be null.
6937 (unlikely_text_section_p): Use SECTION_STYLE.
6938 (bss_initializer_p): New function.
6939 (get_variable_section): Move earlier in file. Take a new argument,
6940 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6941 Return one of the new *_sections in such cases.
6942 (get_block_for_decl): New function, extracting some logic from
6943 use_blocks_for_decl_p.
6944 (change_symbol_section): Remove in favor of...
6945 (change_symbol_block): ...this new function.
6946 (use_blocks_for_decl_p): Remove checks now performed by
6948 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6949 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6950 (emit_local, emit_bss, emit_common): ...these new functions.
6951 Return true if the alignment was honored.
6952 (emit_tls_common): New function.
6953 (asm_emit_uninitialised): Delete.
6954 (assemble_variable_noswitch): New function, split out from...
6955 (assemble_variable): ...here. Don't make decisions about common
6956 variables here. Globalize all public decls that go into non-common
6957 sections. Check whether SYMBOL_REF_BLOCK is null.
6958 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6959 (output_constant_pool): Likewise.
6960 (init_varasm_once): Initialize the new section variables.
6961 (have_global_bss_p): New function.
6962 (categorize_decl_for_section): Use bss_initializer_p.
6963 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6964 (place_block_symbol): Assert that the symbol must be in a block.
6965 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6966 (TARGET_INITIALIZER): Include it.
6967 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6968 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6969 (SECTION_MACH_DEP): Bump by two.
6970 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6971 (unnamed_section): Mention SECTION_UNNAMED in comment.
6972 (named_section): Likewise SECTION_NAMED.
6973 (noswitch_section_callback): New type.
6974 (noswitch_section): New structure.
6975 (section): Add a noswitch_section alternative.
6976 (SECTION_STYLE): New macro.
6977 (tls_comm_section, comm_section, lcomm_section): Declare.
6978 (bss_noswitch_section, have_global_bss_p): Declare.
6979 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6980 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6982 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6983 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6986 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6988 * tree-vrp.c (execute_vrp): Return value.
6989 * regrename.c (rest_of_handle_regrename): Ditto.
6990 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6991 * tree-complex.c (tree_lower_complex): Ditto.
6992 (tree_lower_complex_O0): Ditto.
6993 * tracer.c (rest_of_handle_tracer): Ditto.
6994 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6995 * postreload.c (rest_of_handle_postreload): Ditto.
6996 * tree-tailcall.c (execute_tail_recursion): Ditto.
6997 (execute_tail_calls): Ditto.
6998 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6999 * tree.h (init_function_for_compilation): Ditto.
7000 * ipa-cp.c (ipcp_driver): Ditto.
7001 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7002 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7003 * final.c (compute_alignments): Ditto.
7004 (rest_of_handle_final): Ditto.
7005 (rest_of_handle_shorten_branches): Ditto.
7006 (rest_of_clean_state): Ditto.
7007 * omp-low.c (execute_expand_omp): Ditto.
7008 (execute_lower_omp): Ditto.
7009 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7010 * ipa-reference.c (static_execute): Ditto.
7011 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7012 * reorg.c (rest_of_handle_delay_slots): Ditto.
7013 (rest_of_handle_machine_reorg): Ditto.
7014 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7015 * flow.c (recompute_reg_usage): Ditto.
7016 (rest_of_handle_remove_death_notes): Ditto.
7017 (rest_of_handle_life): Ditto.
7018 (rest_of_handle_flow2): Ditto.
7019 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7020 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7021 (do_ssa_store_ccp): Ditto.
7022 (execute_fold_all_builtins): Ditto.
7023 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7024 * modulo-sched.c (rest_of_handle_sms): Ditto.
7025 * ipa-pure-const.c (static_execute): Ditto.
7026 * cse.c (rest_of_handle_cse): Ditto.
7027 (rest_of_handle_cse2): Ditto.
7028 * web.c (rest_of_handle_web): Ditto.
7029 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7030 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7031 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7032 * tree-nrv.c (tree_nrv): Ditto.
7033 (execute_return_slot_opt): Ditto.
7034 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7035 (create_structure_vars): Ditto.
7036 * loop-init.c (rtl_loop_init): Ditto.
7037 (rtl_loop_done): Ditto.
7038 (rtl_move_loop_invariants): Ditto.
7039 (rtl_unswitch): Ditto.
7040 (rtl_unroll_and_peel_loops): Ditto.
7041 (rtl_doloop): Ditto.
7042 * gimple-low.c (lower_function_body): Ditto.
7043 (mark_used_blocks): Ditto.
7044 * tree-ssa-sink.c (execute_sink_code): Ditto.
7045 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7046 (cgraph_early_inlining): Ditto.
7047 * global.c (rest_of_handle_global_alloc): Ditto.
7048 * jump.c (cleanup_barriers): Ditto.
7049 (purge_line_number_notes): Ditto.
7050 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7051 (rest_of_handle_if_after_reload): Ditto.
7052 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7053 (tree_ssa_loop_im): Ditto.
7054 (tree_ssa_loop_unswitch): Ditto.
7055 (tree_vectorize): Ditto.
7056 (tree_linear_transform): Ditto.
7057 (tree_ssa_loop_ivcanon): Ditto.
7058 (tree_ssa_empty_loop): Ditto.
7059 (tree_ssa_loop_bounds): Ditto.
7060 (tree_complete_unroll): Ditto.
7061 (tree_ssa_loop_prefetch): Ditto.
7062 (tree_ssa_loop_ivopts): Ditto.
7063 (tree_ssa_loop_done): Ditto.
7064 * predict.c (tree_estimate_probability): Ditto.
7065 * recog.c (split_all_insns_noflow): Ditto.
7066 (rest_of_handle_peephole2): Ditto.
7067 (rest_of_handle_split_all_insns): Ditto.
7068 * tree-eh.c (lower_eh_constructs): Ditto.
7069 * regmove.c (rest_of_handle_regmove): Ditto.
7070 (rest_of_handle_stack_adjustments): Ditto.
7071 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7072 * function.c (instantiate_virtual_regs): Ditto.
7073 (init_function_for_compilation): Ditto.
7074 (rest_of_handle_check_leaf_regs): Ditto.
7075 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7076 (rest_of_handle_gcse): Ditto.
7077 * ipa-type-escape.c (type_escape_execute): Ditto.
7078 * alias.c (rest_of_handle_cfg): Ditto.
7079 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7080 * profile.c (rest_of_handle_branch_prob): Ditto.
7081 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7082 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7083 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7084 * tree-dfa.c (find_referenced_vars): Ditto.
7085 * except.c (set_nothrow_function_flags): Ditto.
7086 (convert_to_eh_region_ranges): Ditto.
7087 (rest_of_handle_eh): Ditto.
7088 * emit-rtl.c (unshare_all_rtl): Ditto.
7089 (remove_unnecessary_notes): Ditto.
7090 * except.h (set_nothrow_function_flags): Ditto.
7091 (convert_to_eh_region_ranges): Ditto.
7092 * cfgexpand.c (tree_expand_cfg): Ditto.
7093 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7094 * tree-ssa-pre.c (do_pre): Ditto.
7095 (execute_fre): Ditto.
7096 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7097 (rest_of_handle_jump2): Ditto.
7098 * tree-sra.c (tree_sra): Ditto.
7099 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7100 (execute_mudflap_function_decls): Ditto.
7101 * tree-ssa-copy.c (do_copy_prop): Ditto.
7102 (do_store_copy_prop): Ditto.
7103 * ipa-prop.h (ipcp_driver): Ditto.
7104 * cfglayout.c (insn_locators_initialize): Ditto.
7105 * tree-ssa-forwprop.c
7106 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7107 * cfglayout.h (insn_locators_initialize): Ditto.
7108 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7109 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7110 (execute_late_warn_uninitialized): Ditto.
7111 * rtl.h (cleanup_barriers): Ditto.
7112 (split_all_insns_noflow): Ditto.
7113 (purge_line_number_notes): Ditto.
7114 (unshare_all_rtl): Ditto.
7115 (remove_unnecessary_notes): Ditto.
7116 (recompute_reg_usage): Ditto.
7117 (variable_tracking_main): Ditto.
7118 * integrate.c (emit_initial_value_sets): Ditto.
7119 * integrate.h (emit_initial_value_sets): Ditto.
7120 * tree-optimize.c (execute_free_datastructures): Ditto
7121 (execute_free_cfg_annotations): Ditto.
7122 (execute_fixup_cfg): Ditto.
7123 (execute_cleanup_cfg_pre_ipa): Ditto.
7124 (execute_cleanup_cfg_post_optimizing): Ditto.
7125 (execute_init_datastructures): Ditto.
7126 * tree-object-size.c (compute_object_sizes): Ditto.
7127 * combine.c (rest_of_handle_combine): Ditto.
7128 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7129 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7130 (rest_of_handle_reorder_blocks): Ditto.
7131 (rest_of_handle_partition_blocks): Ditto.
7132 * var-tracking.c (variable_tracking_main): Ditto.
7133 * tree-profile.c (tree_profiling): Ditto.
7134 * tree-vect-generic.c (expand_vector_operations): Ditto.
7135 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7136 * sched-rgn.c (rest_of_handle_sched): Ditto.
7137 (rest_of_handle_sched2): Ditto.
7138 * basic-block.h (free_bb_insn): Ditto.
7139 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7140 * tree-cfg.c (execute_build_cfg): Ditto.
7141 (remove_useless_stmts): Ditto.
7142 (split_critical_edges): Ditto.
7143 (execute_warn_function_return): Ditto.
7144 (execute_warn_function_noreturn): Ditto.
7145 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7146 * cfgrtl.c (free_bb_for_insn): Ditto.
7147 * passes.c (execute_one_pass): Run additional
7148 todos returned by execute function.
7149 * tree-pass.h (struct tree_opt_pass): Make execute
7152 2006-03-02 Richard Guenther <rguenther@suse.de>
7154 * tree-ssa-alias.c (find_used_portions): Consider taking
7155 the address as making the variable not write-only.
7157 2006-03-02 Nick Clifton <nickc@redhat.com>
7159 * config.gcc (default_use_cxa_atexit): Extend the description of
7160 this configure variable. Set its default value to "yes" for
7161 Linux, NetBSD and ELF targets on the assumption that they will
7162 use C libraries with the __cxa_atexit function.
7164 2006-03-02 Ben Elliston <bje@au.ibm.com>
7166 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7167 parameter as unused to suppress a build warning.
7169 2006-03-02 Ben Elliston <bje@au.ibm.com>
7171 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7174 2006-03-01 Roger Sayle <roger@eyesopen.com>
7177 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7178 declared name, the weak reference name, and the typeof name.
7179 (__gthrw): Avoid expanding the declared name suffix.
7180 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7182 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7184 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7186 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7187 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7188 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7189 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7190 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7191 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7192 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7193 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7194 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7195 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7196 (DW_END_default, DW_END_big, DW_END_little): New.
7197 (DW_END_lo_user, DW_END_hi_user): Define.
7198 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7199 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7200 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7203 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7205 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7207 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7209 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7211 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7213 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7214 to 'symbol_mem_tag'.
7216 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7219 2006-03-01 Roger Sayle <roger@eyesopen.com>
7221 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7223 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7226 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7227 MACHO_DYNAMIC_NO_PIC_P.
7228 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7230 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7233 * config/darwin-protos.h (darwin_asm_output_anchor):
7235 * config/darwin-sections.def (cstring_section):
7236 Add SECTION_MERGE to the flags.
7237 (literal4_section): Likewise.
7238 (literal8_section): Likewise.
7239 (objc_selector_refs_section): Likewise.
7240 (objc_cls_refs_section): Likewise.
7241 * config/darwin.c (darwin_asm_output_anchor): New
7243 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7245 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7247 Fix PR tree-optimization/26443
7248 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7249 to todo and PROP_tmt_usage to properties_destroyed.
7250 * tree-ssa-ccp.c (pass_ccp): Ditto.
7251 (pass_store_ccp): Ditto.
7252 * tree-ssa-dom.c (pass_dominator): Ditto.
7254 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7256 * tree-ssa-operands.c: Cleanup whitespace.
7257 (get_asm_expr_operands): Move before first invocation.
7258 (get_indirect_ref_operands): Likewise.
7259 (get_tmr_operands): Likewise.
7260 (get_call_expr_operands): Likewise.
7261 (append_def): Likewise.
7262 (append_use): Likewise.
7263 (append_v_may_def): Likewise.
7264 (append_v_must_def): Likewise.
7265 (add_call_clobber_ops): Likewise.
7266 (add_call_read_ops): Likewise.
7267 (add_stmt_operand): Likewise.
7268 (add_virtual_operand): Likewise.
7269 (build_ssa_operands): Likewise.
7271 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7276 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7277 with a call expr to ...
7278 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7280 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7282 * tree-vrp.c (extract_range_from_assert): Remove special
7283 handling for types with super-types.
7285 2006-03-01 Ben Elliston <bje@au.ibm.com>
7287 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7288 and powerpc64-*-linux* configurations.
7289 * config/t-dfprules: New file.
7291 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7292 Compile dfp-bit.c from the source directory using -DWIDTH and
7293 $DFP_CFLAGS to control the compilation of that file, rather than
7294 generating width-specific versions in the build directory.
7295 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7296 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7298 2006-02-28 Zack Weinberg <zackw@panix.com>
7300 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7303 2006-02-28 Eric Christopher <echristo@apple.com>
7305 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7306 Set up IN_LIBGCC definition of TARGET_64BIT.
7307 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7309 2006-02-28 Roger Sayle <roger@eyesopen.com>
7312 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7313 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7314 cases via the construction of "expr != 0".
7316 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7318 * alias.c (alias_invariant, alias_invariant_size): Remove.
7319 (record_base_value): Remove.
7320 (memrefs_conflict_p): Don't look at alias_invariant.
7321 (end_alias_analysis): Don't free it.
7322 * alias.h (record_base_value): Remove prototype.
7324 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7325 Adam Nemet <anemet@caviumnetworks.com>
7327 * rtl.h (truncated_to_mode): Declare it.
7328 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7329 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7330 (RTL_HOOKS_INITIALIZER): Include it.
7331 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7332 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7333 reg_truncated_to_mode.
7334 * rtlanal.c (truncated_to_mode): Define it.
7335 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7337 2006-02-28 Jeff Law <law@redhat.com>
7339 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7340 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7341 the range allowed by TYPE_PRECISION.
7343 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7345 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7347 PR tree-optimization/26419
7348 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7351 2006-02-27 Zack Weinberg <zackw@panix.com>
7353 * doc/md.texi: Fix typo in previous change.
7355 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7359 2006-02-27 Zack Weinberg <zackw@panix.com>
7361 * rtl.def (define_constraint, define_register_constraint)
7362 (define_memory_constraint, define_address_constraint): New MD forms.
7363 * gensupport.c (process_rtx): Put define_constraint etc on the
7365 * genpreds.c (process_define_predicate): Adjust comment. Validate
7366 the name, and call validate_exp to validate the expression.
7367 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7368 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7369 all callers changed.
7370 (validate_exp, needs_variable, struct constraint_data)
7371 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7372 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7373 (const_dbl_constraints, constraint_max_namelen)
7374 (have_register_constraints, have_memory_constraints)
7375 (have_address_constraints, have_address_constraints)
7376 (have_extra_constraints, have_const_int_constraints)
7377 (have_const_dbl_constraints, mangle, add_constraint)
7378 (process_define_constraint, process_define_register_constraint)
7379 (write_enum_constraint_num, write_lookup_constraint)
7380 (write_insn_constraint_len, write_regclass_for_constraint)
7381 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7382 (write_insn_extra_memory_constraint)
7383 (write_insn_extra_address_constraint)
7384 (write_satisfies_constraint_fns): New.
7385 (write_tm_preds_h): If we have new-style constraint definitions,
7386 prototype the functions generated from them, and define the
7387 old constraint interface (still used by generic code) in terms of
7389 (write_insn_preds_c): If we have new-style constraint definitions,
7390 generate all relevant functions from those definitions.
7391 (main): Handle define_constraint etc.
7392 * genoutput.c (struct constraint_data, indep_constraints)
7393 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7394 (mdep_constraint_len): New data structures and functions, defined
7395 #ifdef USE_MD_CONSTRAINTS.
7396 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7397 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7398 use new logic to validate operand constraints against constraint
7400 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7402 * defaults.h: If none of the old-style constraint macros are
7403 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7404 old-style macros; and poison REG_CLASS_FROM_LETTER,
7405 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7407 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7408 * doc/md.texi: Document new constraint-definition mechanism and the
7409 C interface it provides. Remove references to old mechanism
7410 elsewhere in the document.
7411 (Machine Constraints): Use pathnames relative to gcc directory,
7412 i.e. config/ARCH/FILE. Change i386 section to refer to
7413 config/i386/predicates.md; update that section to match docstrings.
7414 * doc/tm.texi: Move all documentation of the old constraint-
7415 definition macros to their own section, clearly mark as obsolete.
7417 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7418 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7420 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7421 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7422 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7424 (splits and peepholes): Use satisfies_constraint_*.
7425 * config/i386/i386.c (memory_address_length)
7426 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7428 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7430 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7431 scalar operation to be put back into the loop.
7433 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7436 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7437 (extract_cie_info): Handle S flag in augmentation string.
7438 (execute_cfa_program): If context->signal_frame, execute also
7439 fs->pc == context->ra instructions.
7440 (uw_frame_state_for): If context->signal_frame, don't subtract one
7441 from context->ra to find FDE.
7442 (uw_update_context_1): Set context->signal_frame to
7444 (_Unwind_GetIPInfo): New function.
7445 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7446 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7448 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7449 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7450 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7451 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7452 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7453 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7454 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7455 x86_64_fallback_frame_state): Set fs->signal_frame.
7456 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7457 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7458 (frob_update_context): Likewise. Workaround missing S flag in
7459 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7460 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7461 Remove the psw_addr + 1 hack.
7463 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7465 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7466 with aggregates here.
7467 (find_func_aliases): Remove code for &<aggregate> from here.
7469 2006-02-26 Roger Sayle <roger@eyesopen.com>
7471 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7472 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7473 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7476 2006-02-26 Roger Sayle <roger@eyesopen.com>
7479 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7481 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7483 * opts.c (decode_options): Do not handle flag_strength_reduce.
7484 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7485 and OPT_fstrength_reduce.
7486 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7487 flag_prefetch_loop_arrays for being nonzero.
7488 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7490 (fprefetch-loop-arrays-rtl): Removed.
7491 (flag_prefetch_loop_arrays): Do not specify the value.
7493 * doc/passes.texi: Update documentation of loop optimizer
7495 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7496 -frerun-loop-opt): Remove.
7498 2006-02-26 Richard Guenther <rguenther@suse.de>
7500 PR tree-optimization/26421
7501 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7502 in function calls that are ADDR_EXPRs as using the whole structure.
7504 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7506 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7507 * tree-pass.h (pass_loop_optimize): Remove.
7508 * passes.c (pass_loop_optimize): Never run it.
7509 * toplev.c (backend_init): Don't call init_loop.
7510 * opts.c (flag_loop_optimize_set): Remove.
7511 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7512 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7513 the old RTL loop optimizer when profiling enabled.
7514 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7515 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7516 pre-headers for the sake of the old RTL loop optimizer.
7517 * Makefile.in: Remove all references to loop.o.
7519 * doc/invoke.texi: Remove all references to -floop-optimize
7520 and -frerun-loop-opt.
7522 2006-02-26 Zack Weinberg <zackw@panix.com>
7524 * doc/md.texi (Machine Constraints): Refer to all files with paths
7525 relative to gcc directory (i.e. config/CPU/file). Add missing
7526 @table @code ... @end table to M32C subsection.
7528 2006-02-26 Roger Sayle <roger@eyesopen.com>
7530 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7532 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7534 2006-02-26 Roger Sayle <roger@eyesopen.com>
7535 James A. Morrison <phython@gcc.gnu.org>
7538 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7539 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7540 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7541 signedness of the shift operation.
7543 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7545 PR tree-optimization/26359
7546 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7548 2006-02-25 Roger Sayle <roger@eyesopen.com>
7550 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7551 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7552 as X == 0, and some symmetry related transformations.
7553 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7555 2006-02-25 Roger Sayle <roger@eyesopen.com>
7558 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7559 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7560 symmetry related transformations. Fold (X^C1) == C2 as
7563 2006-02-25 Juergen Weigert <jw@suse.de>
7564 Richard Guenther <rguenther@suse.de>
7566 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7568 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7570 * combine.c (gen_lowpart_or_truncate): Call
7571 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7573 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7575 * doc/invoke.texi: Move -fopenmp description to "Options for
7577 Remove reference to -lgomp.
7579 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7581 * doc/install.texi: Require GNU tar version 1.14.
7583 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7585 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7586 * doc/invoke.texi (C++ Dialect Options): Document
7587 -fno-use-cxa-get-exception-ptr.
7588 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7589 * configure: Regenerate.
7590 * c.opt (fuse-cxa-get-exception-ptr): New.
7591 * c-opts.c (c_common_handle_option): Handle
7592 OPT_fuse_cxa_get_exception_ptr.
7593 * c-common.c (flag_use_cxa_atexit): Update documentation.
7594 (flag_use_cxa_get_exception_ptr): New.
7595 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7596 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7598 (C_COMMON_OVERRIDE_OPTIONS): New.
7600 2006-02-24 Roger Sayle <roger@eyesopen.com>
7603 * combine.c (try_combine): Explicitly check whether GET_CODE is
7604 a SET or a CLOBBER, instead on checking that it isn't a USE.
7606 2006-02-24 Roger Sayle <roger@eyesopen.com>
7608 * fold-const.c (fold_comparison): New subroutine of fold_binary
7609 containing transformations common to both the equality and
7610 ordering relational operators, factored out of fold_binary.
7611 (fold_binary): Separate out the equality operators (EQ_EXPR
7612 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7613 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7614 transformations common to both.
7615 (fold_div_compare): Fix latent bugs in the previously unreachable
7616 LT_EXPR and GE_EXPR cases.
7618 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7620 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7621 decl libname for clog to __clog on AIX.
7623 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7625 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7628 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7629 output traceback table for thunks. Localise rs6000_stack_info call.
7631 2006-02-23 Roger Sayle <roger@eyesopen.com>
7632 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7634 * gthr-posix.h (__gthrw): Fix typo in comment.
7636 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7638 * doc/cpp.texi (Character sets): Document that we do support
7639 input files to be in any character set.
7641 2006-02-23 Jeff Law <law@redhat.com>
7643 * tree.h (PHI_ARG_NONZERO): Remove.
7644 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7645 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7646 node to the new node.
7648 PR tree-optimization/26425
7649 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7650 min/max, then assume its varying.
7652 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7654 PR rtl-optimization/26316
7655 * rtlanal.c (enum may_trap_p_flags): New.
7656 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7657 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7658 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7659 (may_trap_after_code_motion_p): New function.
7660 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7661 (find_invariant_insn): Use may_trap_after_code_motion_p.
7662 * rtl.h (may_trap_after_code_motion_p): Declare.
7664 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7666 * emit-rtl.c (immed_double_const): Cleanup.
7668 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7670 Fix PR tree-optimization/26376
7671 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7674 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7677 * gimplify.c (omp_add_variable): Guard variable size decl test with
7678 DECL_SIZE (decl) check.
7680 2006-02-23 Richard Guenther <rguenther@suse.de>
7683 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7684 like aggregate types.
7686 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7688 * configure.ac: Add --with{,out}-long-double-128 configure option.
7689 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7690 * configure: Rebuilt.
7691 * config.in: Rebuilt.
7692 * doc/install.texi (Options specification): Document
7693 --with-long-double-128.
7695 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7696 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7697 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7698 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7700 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7702 * config/s390/s390.c (override_options): Handle
7703 TARGET_DEFAULT_LONG_DOUBLE_128.
7705 * config/alpha/alpha.c (override_options): Handle
7706 TARGET_DEFAULT_LONG_DOUBLE_128.
7708 * config/sparc/sparc.c (sparc_override_options): Handle
7709 TARGET_DEFAULT_LONG_DOUBLE_128.
7711 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7713 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7714 (real-install-headers-tar, real-install-headers-cpio)
7715 (real-install-headers-cp): New targets.
7717 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7719 * tree.h (variable_section): Delete.
7720 * varasm.c (variable_section): Delete.
7722 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7724 * install.texi: Add notes on install.texi2html.
7725 (Building in parallel): Do not use footnotes.
7727 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7730 * doc/install.texi (Configuration): Document --disable-libgomp.
7732 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7734 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7736 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7738 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7739 (vec_extractv2df_0_sse): New.
7741 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7743 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7744 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7745 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7746 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7747 to the result of the expression.
7748 (def_cfa_1): Adjust.
7749 (frame_pointer_cfa_offset): Rename to...
7750 (frame_pointer_fb_offset): ... this. Adjust all uses.
7751 (convert_cfa_to_loc_list): Rename to...
7752 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7753 Pass it on to build_cfa_loc.
7754 (compute_frame_pointer_to_cfa_displacement): Rename to...
7755 (compute_frame_pointer_to_fb_displacement): ... this. New
7756 offset parameter. Use it in computation.
7757 (gen_subprogram_die): Compute cfa_fb_offset with the new
7758 macro, and use it to compute the fb loc list and the
7761 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7763 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7764 replaced with register_operand.
7765 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7766 non-DREG is expensive.
7767 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7768 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7771 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7773 * doc/install.texi2html: Use set -e.
7775 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7777 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7778 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7779 * doc/invoke.texi (-fshared-data): Delete.
7780 * common.opt (fshared-data): Delete.
7781 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7782 (assemble_static_space): Remove #if 0 code.
7783 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7784 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7785 * config/cris/cris.h: Remove FIXME.
7787 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7789 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7792 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7795 * combine.c (simplify_shift_const_1): Disable nested shifts
7796 optimization for vector shifts.
7798 2006-02-20 Roger Sayle <roger@eyesopen.com>
7800 PR tree-optimization/26361
7801 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7802 of unsigned integer types.
7804 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7806 * tree-chrec.c (eq_evolutions_p): New.
7807 * tree-chrec.h (eq_evolutions_p): Declared.
7808 * tree-data-ref.c: Fix formatting.
7809 (datadep_stats, dependence_stats): New.
7811 (print_direction_vector): New.
7812 (dump_data_dependence_relation): Use print_direction_vector.
7813 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7814 (compute_subscript_distance): Static.
7815 (initialize_data_dependence_relation): Static. Get the number
7816 of loops surrounding the references from the callers, and initialize
7817 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7818 base_object_differ_p analyzers.
7819 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7820 compute_overlap_steps_for_affine_1_2,
7821 analyze_subscript_affine_affine): Count the classified dependences.
7822 Print a message when a test failed.
7823 (can_use_analyze_subscript_affine_affine): New.
7824 (analyze_siv_subscript): Compute the data dependences on symbolic
7825 scevs that verify can_use_analyze_subscript_affine_affine.
7826 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7827 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7828 Handle symbolic scevs.
7829 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7831 (subscript_dependence_tester): Moved...
7832 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7833 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7834 DDR_SIZE_VECT instead of getting it in parameter.
7835 (subscript_dependence_tester): ... here. Take as a parameter
7836 loop_nest_depth. Call build_classic_dist_vector and
7837 build_classic_dir_vector.
7838 (compute_affine_dependence): Update subscript_dependence_tester
7839 parameters. Update datadep_stats counters. Call
7840 compute_subscript_distance.
7841 (compute_self_dependence): Save the dist and dir vectors. Call
7842 compute_subscript_distance.
7843 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7844 (compute_all_dependences): Reorder parameters as they were before
7845 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7846 compute_subscript_distance. Update the use of
7847 compute_affine_dependence and initialize_data_dependence_relation.
7848 (find_data_references_in_loop): Handle COMPONENT_REF.
7849 (compute_data_dependences_for_loop): Initialize dependence_stats.
7850 Don't call build_classic_dist_vector and build_classic_dir_vector.
7851 Update the parameters of initialize_data_dependence_relation and
7852 compute_all_dependences. Print the statistics from datadep_stats.
7853 (analyze_all_data_dependences): Static. Not used until the pass for
7854 checking the data dependences is contributed.
7855 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7856 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7857 (initialize_data_dependence_relation, compute_affine_dependence,
7858 analyze_all_data_dependences, compute_subscript_distance): Removed.
7859 (print_direction_vector): New.
7860 * lambda.h (gcd): ... here.
7861 (lambda_vector_gcd): Moved here from gcd_vector.
7862 * lambda-code.c (gcd, gcd_vector): Removed.
7863 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7864 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7866 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7868 * ipa-type-escape.c: Tidy some comments and white space.
7869 * tree-ssa-operands.c: Likewise.
7871 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7874 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7875 (dump_decl_name): Do not walk the decl tree chains.
7876 * tree-pass.h (TDF_CHAIN): Remove.
7878 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7880 * Makefile.in (C): Remove
7882 (.PHONY): Remove C and PROTO
7884 2006-02-20 Roger Sayle <roger@eyesopen.com>
7887 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7888 deprecated CHAR_TYPE tree code.
7890 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7892 * configure.ac (target_list): Add install-info, dvi, html.
7893 * configure: Regenerate.
7895 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7896 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7897 treelang/Make-lang.in: Do not use double-colon rules.
7899 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7901 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7902 (TMT_USED_ALONE): New macro.
7903 * tree-pass.h (PROP_tmt_usage): New property.
7904 (TODO_update_tmt_usage): New todo.
7905 * tree-ssa-alias.c (updating_used_alone): New variable.
7906 (recalculate_used_alone): New function.
7907 (compute_may_aliases): Set updating_used_alone, call
7908 recalculate_used_alone.
7909 * tree-sra.c (pass_sra): Note that this pass destroys
7910 PROP_tmt_usage, and add TODO_update_tmt_usage.
7911 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7912 * tree-flow.h (updating_used_alone): Prototype.
7913 (recalculate_used_alone): Ditto.
7914 * passes.c (execute_todo): Add code to set updating_used_alone,
7915 and call recalculate.
7916 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7917 for clobber if used alone, and add assert to verify used_alone
7920 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7922 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7923 for non tls symbols added.
7924 (legitimize_address): Do nothing for PLUS expressions if one of the
7925 addends is a tls symbol reference.
7927 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7931 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7933 * Makefile.in (BOOTSTRAPPING): New.
7934 (quickstrap): New definition if BOOTSTRAPPING=yes.
7936 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7937 * configure.ac: Substitute all_selected_languages with the languages
7938 that were configured. For all the other variables except
7939 lang_specs_files, include all the languages in the tree.
7940 * configure: Regenerate.
7942 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7943 if there is one. Run the commands to run fixincludes in the same
7946 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7947 * doc/install.texi: Document exact conventions for searching target tools.
7948 Document --with-build-time-tools. Document toplevel bootstrap. Document
7949 something more about building an Ada cross-compiler. Don't list GNU Make
7950 requirements which affect all platforms.
7952 2006-02-19 Roger Sayle <roger@eyesopen.com>
7955 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7956 only equivalent if the have both the same mode and precision.
7958 2006-02-20 Ben Elliston <bje@au.ibm.com>
7960 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7962 2006-02-19 Roger Sayle <roger@eyesopen.com>
7963 Steven Bosscher <stevenb.gcc@gmail.com>
7965 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7966 constant pool references to identify stack mode constants.
7967 * rtlanal.c (constant_pool_constant_p): New predicate to check
7968 whether operand is a floating point constant in the pool.
7969 * rtl.h (constant_pool_constant_p): Prototype here.
7970 * loop.c (scan_loop): Avoid hoisting constants from the constant
7971 pool on STACK_REGS targets.
7972 (load_mems): Likewise.
7973 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7974 loads into x87 registers expensive in terms of register pressure.
7976 2006-02-19 Roger Sayle <roger@eyesopen.com>
7978 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7979 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7981 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7983 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7984 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7986 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7988 * doc/invoke.texi: Document -fipa-pta.
7989 * common.opt: Add ipa-pta option.
7990 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7991 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7992 (do_ds_constraint): Ditto.
7993 (get_constraint_for): Only add to referenced_vars if
7994 referenced_vars exists.
7995 (insert_into_field_list): Rewrite to do this unsorted.
7996 (insert_into_field_list_sorted): Rename old insert_into_field_list
7998 (create_function_info_for): Use insert_into_field_list_sorted.
7999 (create_variable_info_for): Rewrite so it uses unsorted version,
8000 since the field list is sorted.
8001 (intra_create_variable_infos): Only add to referenced_vars if
8002 referenced_vars exists.
8003 (ipa_pta_execute): Init heapvars, and delete when done.
8004 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8006 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8008 * doc/install.texi: Add missing `@samp'.
8010 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8012 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8015 2006-02-18 Mark Wielaard <mark@klomp.org>
8017 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8018 who added new 4.1 features, bug fixes and integration support.
8020 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8023 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8026 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8028 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8029 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8030 (copy_insn_1): Likewise. Don't copy each field individually.
8032 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8034 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8035 * rtl.c (rtx_size): Rename variable to...
8036 (rtx_code_size): ...this.
8037 (rtx_size): New function.
8038 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8039 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8041 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8042 * rtl.h (rtx_code_size): New variable.
8043 (rtx_size): Change from a variable to a function.
8044 (RTX_SIZE): Rename to...
8045 (RTX_CODE_SIZE): ...this.
8048 PR tree-optimization/17106
8049 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8050 (Anchored Addresses): New section.
8051 * doc/invoke.texi (-fsection-anchors): Document.
8052 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8053 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8054 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8055 * hooks.c (hook_bool_mode_rtx_false): New function.
8056 * hooks.h (hook_bool_mode_rtx_false): Declare.
8057 * gengtype.c (create_optional_field): New function.
8058 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8059 SYMBOL_REF_IN_BLOCK_P is true.
8060 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8061 (min_anchor_offset, max_anchor_offset): Likewise.
8062 (use_anchors_for_symbol_p): New hook.
8063 * toplev.c (compile_file): Call output_object_blocks.
8064 (target_supports_section_anchors_p): New function.
8065 (process_options): Check that -fsection-anchors is only used on
8066 targets that support it and when -funit-at-a-time is in effect.
8067 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8068 if the decl doesn't have one.
8069 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8070 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8071 of force_const_mem through use_anchored_address.
8072 (expand_expr_constant): New function.
8073 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8074 calling expand_expr for INDIRECT_REF.
8075 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8076 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8077 * expr.h (use_anchored_address): Declare.
8078 * loop-unroll.c: Don't declare rtx vectors here.
8079 * explow.c: Include output.h.
8080 (validize_mem): Call use_anchored_address.
8081 (use_anchored_address): New function.
8082 * common.opt (-fsection-anchors): New switch.
8083 * varasm.c (object_block_htab, anchor_labelno): New variables.
8084 (hash_section, object_block_entry_eq, object_block_entry_hash)
8085 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8086 (use_blocks_for_decl_p, change_symbol_section): New functions.
8087 (get_variable_section): New function, split out from assemble_variable.
8088 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8089 use_blocks_for_decl_p say so. Use change_symbol_section if the
8090 symbol has already been created.
8091 (assemble_variable_contents): New function, split out from...
8092 (assemble_variable): ...here. Don't output any code for
8093 block symbols; just pass them to place_block_symbol.
8094 Use get_variable_section and assemble_variable_contents.
8095 (get_constant_alignment, get_constant_section, get_constant_size): New
8096 functions, split from output_constant_def_contents.
8097 (build_constant_desc): Create a block symbol if use_object_blocks_p
8098 says so. Or into SYMBOL_REF_FLAGS.
8099 (assemble_constant_contents): New function, split from...
8100 (output_constant_def_contents): ...here. Don't output any code
8101 for block symbols; just pass them to place_section_symbol.
8102 Use get_constant_section and get_constant_alignment.
8103 (force_const_mem): Create a block symbol if use_object_blocks_p and
8104 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8105 (output_constant_pool_1): Add an explicit alignment argument.
8106 Don't switch sections here.
8107 (output_constant_pool): Adjust call to output_constant_pool_1.
8108 Switch sections here instead. Don't output anything for block symbols;
8109 just pass them to place_block_symbol.
8110 (init_varasm_once): Initialize object_block_htab.
8111 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8112 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8113 (place_block_symbol, get_section_anchor, output_object_block)
8114 (output_object_block_htab, output_object_blocks): New functions.
8115 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8116 (TARGET_ASM_OUT): Include it.
8117 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8118 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8119 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8120 (TARGET_INITIALIZER): Include them.
8121 * rtl.c (rtl_check_failed_block_symbol): New function.
8122 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8123 (block_symbol, object_block): New structures.
8124 (rtx_def): Add a block_symbol field to the union.
8125 (BLOCK_SYMBOL_CHECK): New macro.
8126 (rtl_check_failed_block_symbol): Declare.
8127 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8128 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8129 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8130 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8131 * output.h (output_section_symbols): Declare.
8132 (object_block): Name structure.
8133 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8134 (default_use_anchors_for_symbol_p): Declare.
8135 * Makefile.in (RTL_BASE_H): Add vec.h.
8136 (explow.o): Depend on output.h.
8137 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8138 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8139 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8140 (rs6000_use_blocks_for_constant_p): New function.
8142 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8144 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8146 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8149 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8152 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8154 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8158 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8161 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8162 instead of DECL_REGISTER.
8164 2006-02-18 Olivier Hainque <hainque@adacore.com>
8167 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8169 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8172 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8173 * opth-gen.awk: Handle Var and InverseMask together.
8174 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8175 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8176 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8177 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8179 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8180 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8181 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8182 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8183 LINUX_DYNAMIC_LINKER): Define.
8184 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8185 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8187 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8188 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8189 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8191 (TARGET_C99_FUNCTIONS): Don't define.
8192 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8193 GLIBC_DYNAMIC_LINKER.
8194 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8195 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8196 GLIBC_DYNAMIC_LINKER64): Define.
8197 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8198 LINUX_DYNAMIC_LINKER64.
8199 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8201 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8203 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8205 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8206 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8207 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8209 and LINUX_DYNAMIC_LINKER32.
8210 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8212 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8213 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8214 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8216 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8217 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8218 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8219 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8220 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8221 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8222 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8223 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8224 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8225 LINUX_DYNAMIC_LINKER): Define.
8226 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8227 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8228 GLIBC_DYNAMIC_LINKER64): Define.
8229 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8230 LINUX_DYNAMIC_LINKER64.
8231 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8232 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8233 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8234 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8235 LINUX_DYNAMIC_LINKER): Define.
8236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8237 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8238 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8239 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8240 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8241 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8242 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8243 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8244 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8245 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8247 * doc/invoke.texi (-muclibc): Remove caveat about supported
8250 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8252 * doc/cpp.texi (__TIMESTAMP__): Document.
8254 2006-02-17 Roger Sayle <roger@eyesopen.com>
8257 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8258 C is one less than the width of X (and related transformations).
8259 * simplify-rtx.c (simplify_unary_operation_1): Transform
8260 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8261 depending on STORE_FLAG_VALUE, were C is one less then the
8264 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8266 Fix PR tree-optimization/26341
8267 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8268 about NAME_MEMORY_TAG's.
8270 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8273 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8274 with hardware float support, and software float support. Add fcpy
8275 alternative to hardware patterns. Add alternatives to copy between
8276 general and floating-point registers to the 32-bit pattern.
8277 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8278 secondary reload to load a QI or HI mode constant into a floating
8280 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8281 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8283 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8286 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8288 (load_macho_picbase_di): Likewise.
8290 2006-02-16 Jeff Law <law@redhat.com>
8292 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8293 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8294 (ssa_name_nonzero_p): Likewise.
8295 (get_value_range): Return NULL if VRP is not running.
8296 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8297 VRP routines do not discover a range.
8298 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8299 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8300 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8301 (tree_expr_nonnegative_p): Similarly.
8302 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8303 (restore_nonzero_vars_to_original_value): Remove.
8304 (unsafe_associative_fp_binop): Remove.
8305 (tree_ssa_dominator_optimize): Remove initialization and
8306 finalization of nonzero_vars and nonzero_vars_stack.
8307 (dom_opt_initialize_block): No longer push marker on
8309 (dom_opt_finalize_block): No longer call
8310 restore_nonzero_vars_to_original_value.
8311 (record_equivalences_from_phis): No longer look for
8312 nonzero PHI arguments.
8313 (cprop_into_successor_phis): No longer propagate nonzero
8314 property into PHI arguments. Lose unused argument. Caller
8316 (record_equivalences_from_stmt): No longer record nonzero
8317 values for SSA_NAMEs.
8318 (lookup_avail_expr): No longer use nonzero_vars.
8320 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8321 for sizetype when sizetype is unsigned.
8323 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8325 PR rtl-optimization/25603
8326 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8327 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8328 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8329 with new meaning of SETS.
8331 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8336 * config/linux.opt: New file.
8337 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8338 LINUX_DYNAMIC_LINKER): Define.
8339 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8340 * config.gcc (*-*-linux*): Define extra_options.
8341 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8342 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8343 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8344 GLIBC_DYNAMIC_LINKER.
8345 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8346 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8347 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8349 * doc/invoke.texi (GNU/Linux Options): New section.
8351 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8353 * config/sparc/sparc.md (setjmp): Rewrite.
8354 (setjmp_32): Delete.
8355 (setjmp_64): Likewise.
8357 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8359 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8362 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8364 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8367 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8369 PR rtl-optimization/26296
8370 * Makefile.in (loop-invariant.c): Add except.h dependency.
8371 * loop-invariant.c: Include except.h.
8372 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8374 2005-02-16 Paul Brook <paul@codesourcery.com>
8376 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8379 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8381 PR rtl-optimization/25636
8382 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8383 when deciding whether an insn is an initializing insn.
8385 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8387 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8388 (tree_code_size): Ditto.
8389 * tree.h (struct tree_memory_tag): Remove parent_var.
8390 (struct tree_struct_field_tag): New.
8393 (union tree_node): Add sft member.
8394 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8396 (create_sft): Add size and offset argument, set SFT_OFFSET and
8398 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8399 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8400 * tree-flow-inline.h (get_subvar_at): Update for
8401 SFT_OFFSET/SFT_SIZE.
8402 (var_can_have_subvars): Ditto.
8403 (overlap_subvar): Ditto.
8404 * print-tree.c (print_node): Print out interesting things for
8406 * tree-flow.h (struct subvar): Remove offset and size members.
8407 * tree-ssa-operands.c (get_expr_operands): Update for
8408 get_indirect_ref_operands changes.
8409 (get_indirect_ref_operands): Call add_virtual_operand instead of
8410 add_stmt_operand. Only recurse on base var if requested.
8411 (access_can_touch_variable): New function.
8412 (add_stmt_operand): Split virtual operand handling into ...
8413 (add_virtual_operand): Here. Add offset, size, and for_clobber
8414 arguments. Prune alias sets.
8415 (add_call_clobber_ops): Call add_virtual_operand.
8417 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8420 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8422 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8423 than TREE_CODE as index into omp_clause_num_ops array.
8425 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8427 PR rtl-optimization/26184
8428 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8430 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8431 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8432 must_precede, must_follow and tobe_scheduled.
8435 * opts.c (common_handle_option): Free new_option pointer.
8436 * df-core.c (df_analyze): Free postorder pointer.
8438 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8440 * Makefile.in: Fix the examples about the use of stamps
8442 2006-02-15 Michael Matz <matz@suse.de>
8446 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8447 influenced by maximum_field_alignment or DECL_PACKED.
8448 (update_alignment_for_field): Ditto.
8449 (place_field): Ditto.
8450 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8453 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8455 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8456 (debug_flow_info): Pass it.
8457 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8458 * bb-reorder.c (reorder_basic_blocks): Likewise.
8459 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8460 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8461 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8462 * gcse.c (gcse_main, bypass_jumps): Likewise.
8463 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8464 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8465 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8466 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8467 * rtl.h (dump_flow_info): Adjust prototype.
8468 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8469 * var-tracking.c (variable_tracking_main): Likewise.
8470 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8471 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8474 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8476 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8479 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8481 PR tree-optimization/26209
8482 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8483 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8485 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8487 2006-02-14 Roger Sayle <roger@eyesopen.com>
8490 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8491 (X,Y) and the corresponding symmetry related transformations.
8492 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8493 (X,Y) and its symmetry related transformations.
8495 2006-02-14 Roger Sayle <roger@eyesopen.com>
8497 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8500 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8502 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8504 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8507 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8508 support COMDAT group.
8509 * configure: Regenerate.
8511 2006-02-14 Roger Sayle <roger@eyesopen.com>
8516 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8518 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8520 Fix PR tree-optimization/26260
8522 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8524 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8525 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8526 * tree-ssa-structalias.c (create_variable_info_for): Use
8527 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8529 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8531 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8533 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8534 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8535 of the ending condition.
8536 * tree-ssa-loop-manip.c: Include params.h.
8537 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8538 tree_unroll_loop): New functions.
8539 * tree-pass.h (pass_loop_prefetch): Declare.
8540 * loop.c (rest_of_handle_loop_optimize): Test for
8541 -fprefetch-loop-arrays-rtl.
8542 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8543 * timevar.def (TV_TREE_PREFETCH): New timevar.
8544 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8545 pass_loop_prefetch): New.
8546 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8547 (cleanup_tree_cfg_loop): Call scev_reset.
8548 * common.opt (fprefetch-loop-arrays-rtl): Add.
8549 * tree-ssa-loop-prefetch.c: New file.
8550 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8551 (new_temp_expr_table): Initialize expr_vars.
8552 (free_temp_expr_table): Cleanup expr_vars.
8553 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8554 expressions from being merged into one.
8555 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8556 (struct tree_niter_desc): Add control, bound and cmp fields.
8557 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8559 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8560 (tree-cfgcleanup.o): Add SCEV_H dependency.
8561 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8562 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8564 2006-02-14 Richard Guenther <rguenther@suse.de>
8566 PR tree-optimization/26258
8567 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8568 in PHI argument processing.
8570 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8572 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8573 new expression in the requested machine mode.
8575 2006-02-13 Roger Sayle <roger@eyesopen.com>
8577 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8578 directly, instead let do_compare_rtx_and_jump handle this for us.
8579 * expr.c (expand_expr_real_1): Likewise.
8580 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8581 before do_jump_by_parts_greater.
8582 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8583 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8585 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8587 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8589 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8591 PR rtl-optimization/26235
8592 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8593 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8596 2006-02-13 Jeff Law <law@redhat.com>
8598 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8601 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8604 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8605 twice if decl is a builtin. When trying again, call get_callee_fndecl
8606 first to verify it is still a builtin.
8608 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8610 * dwarf2out.c (base_type_die): Don't add AT_name here.
8611 (subrange_type_die): Don't add AT_name here.
8612 (modified_type_die): Rearrange code flow. Do add AT_name here.
8614 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8616 PR rtl-optimization/26247
8617 PR rtl-optimization/26248
8618 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8620 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8622 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8623 * config/fixtfdi.c: Likewise.
8624 * config/fixunstfdi.c: Likewise.
8625 * config/floatditf.c: Likewise.
8627 2006-02-13 Roger Sayle <roger@eyesopen.com>
8630 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8631 into (X,C2) if C1 is a subset of the bits of C2. Transform
8632 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8634 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8636 2006-02-13 Josh Conner <jconner@apple.com>
8639 * varasm.c (function_section): Check for section name before
8640 calling select_section on targets that define
8641 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8642 unlikely_text_section instead of hot_function_section if
8643 first_function_block_is_cold.
8645 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8648 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8650 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8652 PR rtl-optimization/26222
8653 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8654 after tree->rtl expansion.
8655 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8656 before passing it to emit_move_insn.
8658 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8660 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8662 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8663 Clarify documentation.
8664 * c-common.h (warn_write_strings): Remove.
8665 * c-common.c (warn_write_strings): Likewise.
8666 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8669 2006-02-12 Roger Sayle <roger@eyesopen.com>
8672 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8673 (do_jump_parts_zero_rtx): New function renamed from
8674 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8675 (do_jump_parts_equality_rtx): New function split out from
8676 do_jump_parts_equality. Old implementation renamed as above.
8677 Call do_jump_parts_zero_rtx if either operand is zero.
8678 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8679 do all of the heavy lifting.
8680 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8681 calling either do_jump_by_parts_greater_rtx or
8682 do_jump_by_parts_equality_rtx.
8683 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8684 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8685 moved to do_compare_rtx_and_jump, call it directly.
8686 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8687 mode argument. Call do_compare_rtx_and_jump.
8688 (emit_case_nodes): Update calls to do_jump_if_equal.
8690 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8692 PR rtl-optimization/26225
8693 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8695 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8697 PR rtl-optimization/26232
8698 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8700 2006-02-11 Jason Merrill <jason@redhat.com>
8703 * tree-inline.c (declare_return_variable): Just don't use the
8704 modify target if it's a gimple complex reg and the return slot
8707 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8709 * doc/contrib.texi: Update my entry.
8711 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8713 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8715 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8717 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8720 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8722 * doc/invoke.texi (-floop-optimize2): Removed.
8723 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8724 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8725 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8726 * common.opt (floop-optimize2): Removed.
8727 (fmove-loop-invariants): Enabled by default.
8729 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8731 * tree-if-conv.c (combine_blocks): Free the result of
8732 get_loop_exit_edges.
8734 2006-02-10 Jeff Law <law@redhat.com>
8736 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8738 PR tree-optimization/26213
8739 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8740 loop trying to follow SSA_NAME_VALUE chains.
8742 2006-02-10 Richard Guenther <rguenther@suse.de>
8744 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8745 deal with structures that end in implicitly variable sized arrays.
8747 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8749 PR rtl-optimization/24762
8750 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8753 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8755 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8756 (struct ivopts_data): Add regs_used field.
8757 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8758 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8759 instead of loop_data->regs_used;
8760 (free_loop_data): Do not free aux fields for loops.
8761 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8762 and tree_ssa_iv_optimize_finalize.
8764 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8766 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8768 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8771 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8772 computing the effective result type.
8774 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8777 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8778 (tree_overlaps_hard_reg_set): Declare.
8779 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8780 type and signature to match function type expected by walk_tree.
8781 (tree_overlaps_hard_reg_set): New function.
8782 (decl_conflicts_with_clobbers_p): Rename to:
8783 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8784 Use tree_overlaps_hard_reg_set. Changed caller.
8785 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8786 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8787 * cris.c (cris_md_asm_clobbers): Likewise.
8789 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8791 * reload1.c (emit_input_reload_insns): Delete code that tries to
8792 inherit using find_equiv_reg.
8794 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8796 * c-common.h (flag_const_strings): Don't declare.
8797 * c-common.c (flag_const_strings): Remove.
8798 * c.opt (fconst_strings): Remove.
8799 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8800 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8801 (c_common_init_options): Don't set flag_const_strings.
8802 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8804 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8806 * arm.md (tlobits_cbranch): New pattern.
8807 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8808 testing a single bit.
8810 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8813 * tree-ssa-pre.c (create_component_ref_by_pieces):
8814 Handle RETURN_DECL like VAR_DECL.
8816 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8819 * fold-const.c (fold_indirect_ref_1): Fold
8820 "*(foo *)&complexfoo" to "__real__ complexfoo"
8821 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8823 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8825 * tree-flow-inline.h (var_can_have_subvars):
8826 Volatile variables should not have subvariables.
8828 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8831 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8832 multiplying unsigned values.
8835 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8837 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8839 2006-02-08 Jason Merrill <jason@redhat.com>
8842 * tree.def: Elaborate on difference from MODIFY_EXPR.
8843 * doc/c-tree.texi (INIT_EXPR): Likewise.
8844 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8845 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8846 (gimplify_target_expr): Likewise.
8847 (gimplify_cond_expr): Remove target handling.
8848 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8849 (gimplify_expr): Clobber it here.
8850 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8851 Do return slot optimization if we have an INIT_EXPR.
8854 * tree-inline.c (declare_return_variable): Also clear
8855 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8858 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8861 * gimplify.c (gimplify_one_sizepos): Fix typo.
8863 2006-02-08 Jeff Law <law@redhat.com>
8865 PR tree-optimization/21417
8866 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8867 across a backedge if the control statement at the end of the
8868 block is data dependent on other statements in the same block.
8869 (record_temporary_equivalences_from_stmts): Remove over-conservative
8870 test for threading across backedges.
8872 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8873 control statement, handle all three special cases in the same
8874 manner as they all have the same desired solution. No longer
8875 special case edge flag updating when the post dominator is
8878 2006-02-08 Roger Sayle <roger@eyesopen.com>
8880 * tree.def (CHAR_TYPE): Remove.
8881 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8882 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8883 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8884 (gen_string_type_die): Delete unreachable function.
8886 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8887 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8888 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8889 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8890 * builtins.c (type_to_class): Likewise.
8891 * fold-const.c (fold_convert, build_range_check,
8892 merge_ranges): Likewise.
8893 * expr.c (count_type_elements): Likewise.
8894 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8895 * stor-layout.c (layout_type): Likewise.
8896 * ipa-type-escape.c (type_to_consider): Likewise.
8897 * gimplify.c (omp_firstprivatize_type_sizes,
8898 gimplify_type_sizes): Likewise.
8899 * explow.c (promote_mode): Likewise.
8900 * tree-sra.c (is_sra_scalar_type): Likewise.
8901 * varasm.c (output_constant): Likewise.
8902 * tree-inline.c (remap_type_1): Likewise.
8903 * convert.c (convert_to_pointer, convert_to_real,
8904 convert_to_integer, convert_to_complex): Likewise.
8906 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8908 * df-scan.c (df_def_record_1): A set destination may
8909 be a parallel regardless of mode.
8911 2006-02-08 Roger Sayle <roger@eyesopen.com>
8914 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8915 * config/mips/_tilib.c: Remove.
8916 * config/fixtfdi.c: New libgcc source file.
8917 * config/fixunstfdi.c: New source file.
8918 * config/floatditf.c: New source file.
8919 * config/floatunditf.c: New souce file.
8920 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8921 files above instead of config/mips/_tilib.c.
8922 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8924 2006-02-08 Jeff Law <law@redhat.com>
8926 PR tree-optimization/26169
8927 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8930 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8932 * df.h (DF_REG_SIZE): Return the length of the initialized
8935 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8937 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8938 __muldf3): Return a correctly signed zero.
8940 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8942 * passes.c (register_one_dump_file): Accept the current properties
8943 instead of pass number. Adjust call to dump_register. Remove
8945 (register_dump_files): Now a wrapper around...
8946 (register_dump_files_1): ... this one. Do not modify the pass
8948 (next_pass_1): Cosmetic fix.
8949 (execute_todo): Keep second parameter only. Use curr_properties
8950 instead of fetching it from the pass structure. Check and set
8952 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8953 instead of fetching it from the pass structure. Fix calls to
8954 execute_todo. Update curr_properties and initialize .vcg RTL dump
8955 after running the pass. Reset last_verified.
8956 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8958 (FIRST_AUTO_NUMBERED_DUMP): New.
8959 (dump_register): Remove "num" parameter, assign it within the
8961 (get_dump_file_name): Modify template for dumps.
8962 * tree-dump.h (dump_register): Adjust prototype.
8963 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8964 (PROP_trees): Add PROP_gimple_lomp.
8965 (TODO_set_props): New.
8966 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8967 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8968 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8970 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8972 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8973 (sparc64-*-linux*): Likewise.
8974 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8975 * config/sparc/t-linux: New file.
8976 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8977 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8978 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8979 -m32 -mlong-double-128.
8981 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8982 * config/alpha/t-linux: New file.
8983 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8985 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8986 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8987 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8988 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8989 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8990 (CPP_ARCH32_SPEC): Remove.
8992 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8994 PR tree-optimization/26145
8995 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8998 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9001 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9002 >= 240000 when generating code for SOM runtime.
9003 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9004 to $$dyncall when generating code for SOM runtime..
9006 2006-02-07 Dirk Mueller <dmueller@suse.com>
9009 * doc/invoke.texi (-Wsequence-point): Update documentation
9010 that -Wsequence-point is implemented for C++ as well.
9012 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9014 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9015 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9016 (LIB_SPEC): Likewise.
9017 * doc/invoke.texi (SPARC options): Document -pthread.
9019 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9021 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9024 2006-02-07 Roger Sayle <roger@eyesopen.com>
9026 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9027 Correct comment describing BOOLEAN_TYPE.
9029 2006-02-07 Dirk Mueller <dmueller@suse.com>
9031 * c.opt: C++ frontend supports -Wdiv-by-zero.
9032 * c-opts.c (c_common_handle_option): Remove dead case.
9034 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9036 * configure.ac (TLS assembler check): Do not enable TLS by
9037 default on SPARC/Solaris before version 10.
9038 * configure: Regenerate.
9040 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9042 * doc/invoke.texi (xl-compat): Document conversion and support
9045 2006-02-07 Jeff Law <law@redhat.com>
9047 * tree-vrp.c (find_conditional_asserts): Update comments.
9048 (simplify_stmt_for_jump_threading): New.
9049 (identify_jump_threads, finalize_jump_threads): New.
9050 (vrp_finalize): Call identify_jump_threads.
9051 (execute_vrp): Call finalize_jump_threads.
9052 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9053 (vrp_element, vrp_data, vrp_element_p): Remove.
9054 (vrp_hash_elt, vrp_variables_stack): Remove.
9055 (vrp_hash, vrp_eq, record_range): Remove.
9056 (simplify_cond_and_lookup_avail_expr): Remove.
9057 (extract_range_from_cond): Remove.
9058 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9059 (simplify_stmt_for_jump_threading): New.
9060 (dom_thread_across_edge): New wrapper.
9061 (tree_ssa_dominator_optimize): No longer initialize or
9062 finalize any of the VRP datastructures. Remove iteration
9063 step and simplify as a result of removal of iteration step.
9064 (pass_dominator): Perform a cfg cleanup after DOM.
9065 (dom_opt_finalize_block): Use the new common routines
9066 for threading jumps. Simplify stack management slightly.
9067 No longer need to unwind VRP state.
9068 (record_equivalences_from_incoming_edge): No longer record
9070 (eliminate_redundant_computations): No longer call
9071 simplify_cond_and_lookup_avail_expr.
9072 * tree-flow.h (potentially_threadable_block): Prototype.
9073 (thread_across_edge): Likewise.
9074 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9075 (tree-ssa-threadedge.o): Add dependencies.
9076 * tree-ssa-threadedge.c: New file.
9077 * passes.c (init_optimization_passes): Merge PHIs before
9078 calling VRP. Run VRP again late in the SSA optimization pipeline.
9080 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9082 * df-core.c (df_set_blocks): Do not dereference function pointers.
9083 (df_finish1): Likewise.
9084 (df_hybrid_search_forward): Likewise.
9085 (df_hybrid_search_backward): Likewise.
9086 (df_iterative_dataflow): Likewise.
9087 (df_analyze_problem): Likewise.
9088 (df_compact_blocks): Likewise.
9089 (df_dump): Likewise.
9090 * df-scan.c (df_rescan_blocks): Likewise.
9091 (df_record_entry_block_defs): Likewise.
9093 * genconditions.c (write_conditions): Guard the definition of
9094 'insn_conditions' with the check on GCC version.
9095 (write_writer): Guard the traversal 'insn_conditions' with
9096 the check on GCC version.
9098 2006-02-07 Richard Guenther <rguenther@suse.de>
9102 2006-01-30 Richard Guenther <rguenther@suse.de>
9104 * gimplify.c (gimplify_target_expr): Handle easy cases
9105 without creating a temporary.
9107 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9109 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9110 use of float in probability computations. Use edge probabilities
9111 in place of statically computed probabilities.
9112 (min_spec_prob): New static variable.
9113 (schedule_insns): Initialize it.
9114 (GET_SRC_PROB): Removed.
9115 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9117 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9120 * config/ia64/unwind-ia64.c: Revert last change.
9121 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9122 (INCOMING_FRAME_SP_OFFSET): Define.
9124 2006-02-06 Roger Sayle <roger@eyesopen.com>
9126 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9128 2006-02-07 Ben Elliston <bje@au.ibm.com>
9130 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9131 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9132 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9133 (ix86_return_in_memory): Handle TDmode.
9134 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9135 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9137 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9139 * reorg.c (dbr_schedule): Use dump_file instead of file.
9141 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9144 * config/ia64/predicates.md (extr_len_operand): New predicate.
9145 * config/ia64/ia64.md (extv): Tighten constraints.
9147 (*tbit_and_2): Ditto.
9148 (*tbit_and_3): Ditto.
9149 (*tbit_or_2): Ditto.
9150 (*tbit_or_3): Ditto.
9154 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9157 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9159 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9161 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9162 loop_optimizer_init and loop_optimizer_finalize
9163 * tree-ssa-sink.c (execute_sink_code): Ditto.
9164 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9165 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9166 tree_ssa_loop_done): Ditto.
9167 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9168 * sched-ebb.c: Include output.h.
9169 (schedule_ebbs): Do not use dump argument.
9170 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9171 * loop.c (loop_dump_stream): Removed.
9172 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9174 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9175 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9176 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9177 loop_iterations, strength_reduce, record_biv, record_giv,
9178 final_giv_value, check_final_value, check_ext_dependent_givs,
9179 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9180 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9181 dump_file instead of loop_dump_stream.
9182 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9184 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9186 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9187 * haifa-sched.c: Include output.h
9188 (schedule_insns, sched_init): Do not use dump argument.
9189 * mode-switching.c (optimize_mode_switching): Ditto.
9190 * modulo-sched.c (stats_file): Removed.
9191 (print_node_sched_params): Do not call argument dump_file.
9192 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9193 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9195 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9197 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9198 rtl_loop_init, rtl_loop_done): Ditto.
9199 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9200 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9202 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9203 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9204 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9205 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9206 * emit-rtl.c (renumber_insns): Ditto.
9207 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9208 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9209 * regclass.c (regclass): Ditto.
9210 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9211 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9212 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9213 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9215 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9216 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9218 * gcse.c (gcse_file, debug_stderr): Removed.
9219 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9220 rest_of_handle_gcse): Do not use dump argument.
9221 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9222 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9223 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9224 compute_code_hoist_vbeinout, compute_code_hoist_data,
9225 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9226 compute_store_table, build_store_vectors, insert_insn_start_bb,
9227 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9228 store_motion): Use dump_file instead of gcse_file.
9229 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9230 * profile.c (profile_dump_file): Removed.
9231 (branch_prob): Use dump_file instead of profile_dump_file.
9232 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9234 * tree-ssa-copy.c (dump_copy_of): Ditto.
9235 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9236 dump file to life_analysis.
9237 * bt-load.c (branch_target_load_optimize): Ditto.
9238 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9240 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9241 regclass, dbr_schedule): Declaration changed.
9242 * sched-int.h (sched_init): Declaration changed.
9243 * tree-profile.c (tree_profile_dump_file): Removed.
9244 (tree_profile_hooks): Removed profile_dump_file hook.
9245 * rtl-profile (rtl_profile_dump_file): Removed.
9246 (rtl_profile_hooks): emoved profile_dump_file hook.
9247 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9249 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9250 * tree-cfg.c (build_tree_cfg): Ditto.
9251 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9252 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9253 Declaration changed.
9254 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9255 life_analysis and schedule_insns.
9256 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9258 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9260 * config/mips/mips.c (mips_reorg): Ditto.
9261 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9264 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9266 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9267 (s390_mangle_fundamental_type): New.
9268 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9271 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9272 (alpha_mangle_fundamental_type): New.
9273 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9276 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9278 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9280 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9281 (sparc_mangle_fundamental_type): New.
9283 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9285 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9286 (s390x-*-linux*): Likewise.
9287 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9288 * config/s390/t-linux: New file.
9290 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9292 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9293 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9295 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9297 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9298 (ANTIC_SAFE_LOADS): New macro.
9299 (find_or_generate_expression): Add prototype.
9300 (set_contains_value): Allow null set for sake of not always having
9301 to allocate ANTIC_SAFE_LOADS.
9302 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9303 Allow COMPONENT_REF too.
9304 (valid_in_set): Allow COMPONENT_REF.
9305 Check ANTIC_SAFE_LOADS too.
9306 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9307 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9309 (can_PRE_operation): Add COMPONENT_REF.
9310 (create_component_ref_by_pieces): New function.
9311 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9312 (insert_aux): Move AGGREGATE_TYPE_P check here.
9313 (compute_avail): Set bb local stmt uids.
9314 (pass_pre): Use TODO_update_ssa_only_virtuals.
9316 2006-02-06 Ben Elliston <bje@au.ibm.com>
9318 * configure.ac: Unconditionally disable decimal float by default.
9319 * configure: Regenerate.
9321 2006-02-06 Ben Elliston <bje@au.ibm.com>
9323 * read-rtl.c (read_name): Terminate reading on EOF.
9325 2006-02-06 Ben Elliston <bje@au.ibm.com>
9327 * dfp.c (decimal_real_arithmetic): Change second argument type
9328 from int to enum tree_code. Do not always return true, but now
9329 return result of any call to decimal_do helper functions.
9330 * dfp.h (decimal_real_arithmetic): Update prototype.
9332 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9334 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9336 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9339 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9342 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9344 * tree-vrp.c (cfg_loops): Removed.
9345 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9346 Use current_loops instead of cfg_loops. Pass flags to
9347 loop_optimizer_init.
9348 * cfgloopmanip.c (fix_loop_structure): Update only available
9350 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9351 loop_optimizer_init.
9352 * modulo-sched.c (build_loops_structure): Removed.
9353 (sms_schedule): Use loop_optimizer_init.
9354 * loop-init.c (loop_optimizer_init): Use flags to determine
9355 which properties of loops to prepare.
9356 (rtl_loop_init): Pass flags to loop_optimizer_init.
9357 * tree-ssa-sink.c (execute_sink_code): Ditto.
9358 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9359 * tree-ssa-pre.c (init_pre): Ditto.
9360 * cfgloop.h (LOOPS_NORMAL): New.
9361 (loop_optimizer_init): Declaration changed.
9363 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9365 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9366 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9368 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9370 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9372 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9373 * pa/t-pa64: Delete quadlib.c rule.
9374 * pa/x-ada: Revert last change.
9375 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9377 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9379 PR rtl-optimization/26087
9380 * rtlanal.c (canonicalize_condition): Do not cross basic block
9383 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9386 * config/ia64/ia64.c: Include debug.h.
9387 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9388 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9389 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9390 (process_epilogue, process_set, process_for_unwind_directive):
9391 Output unwind info only if requested. Add CFA info if requested.
9392 Add new arguments as needed. Adjust callers.
9393 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9395 (DWARF2_FRAME_INFO): Define to zero.
9396 * config/ia64/unwind-ia64.c: Remove code that compensated for
9397 the CFA offset error fixed above.
9398 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9399 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9400 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9401 -funwind-tables and -fexceptions to enable frame info.
9402 (dwarf2out_frame_init): Define initial CFA even if
9403 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9404 DWARF2_UNWIND_INFO is nonzero, not just defined.
9405 (dwarf2out_frame_finish): Output non-EH call frame info only
9406 if DWARF2_FRAME_INFO is nonzero.
9407 (convert_cfa_to_loc_list,
9408 compute_frame_pointer_to_cfa_displacement): Define even if
9409 unwind info is not supported.
9410 (gen_subprogram_die): Use the above unconditionally. Remove
9411 legacy alternate code.
9412 * toplev.c (compile_file): Compile in call to
9413 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9414 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9416 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9417 Jakub Jelinek <jakub@redhat.com>
9419 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9420 IBM extended float format long double as "g" on powerpc*-linux.
9422 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9425 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9426 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9428 2006-02-03 Jason Merrill <jason@redhat.com>
9431 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9434 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9435 on the return slot if it's an NRV.
9437 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9439 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9440 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9441 rewrite_use): Do not handle USE_OUTER.
9442 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9443 add_iv_outer_candidates, may_replace_final_value,
9444 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9445 (find_interesting_uses_op): Functionality of
9446 find_interesting_uses_outer_or_nonlin moved here.
9447 (find_interesting_uses_outside): Use find_interesting_uses_op.
9449 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9452 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9454 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9455 Ulrich Weigand <uweigand@de.ibm.com>
9458 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9459 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9460 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9461 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9463 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9464 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9465 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9466 Define secondary reloads for TFmode moves.
9467 (constant_modes): Add TFmode.
9468 (NR_C_MODES): Set to 8.
9469 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9471 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9472 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9473 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9474 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9475 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9476 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9477 (FPR mode macro): Add TFmode.
9478 (DSF mode macro): New.
9479 (<de>, <dee> mode attributes): Removed.
9480 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9481 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9482 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9483 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9484 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9485 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9486 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9487 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9488 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9489 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9490 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9491 "*negabs<mode>2", "sqrt<mode>2"):
9492 Changed <de> to <xde>. R constraint replaced by <Rf>.
9493 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9495 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9496 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9497 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9499 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9500 "extenddftf2", "extendsftf2"): New expanders.
9501 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9502 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9503 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9504 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9506 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9507 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9508 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9509 __floatditf): Add a GCC_4.1.0 symbol version tag.
9510 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9513 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9516 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9517 Use targetm.binds_local_p instead of TREE_PUBLIC.
9519 2006-02-02 Roger Sayle <roger@eyesopen.com>
9521 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9522 on INTEGER_TYPEs to indicate that it denotes a character type.
9523 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9524 signed_char_type_node, unsigned_char_type_node and char_type_node.
9525 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9526 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9527 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9529 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9530 Daniel Berlin <dberlin@dberlin.org>
9532 * tree-tailcall.c (arg_needs_copy_p): New function.
9533 (eliminate_tail_call): Use arg_needs_copy_p.
9534 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9535 (add_virtual_phis): New function.
9537 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9539 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9540 #ignore instead of #scratch for %g7 .register directive.
9542 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9544 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9547 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9549 * flow.c (calculate_global_regs_live): Assert that there aren't any
9552 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9554 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9556 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9557 bsi_after_labels iterator.
9558 * tree-if-conv.c (find_phi_replacement_condition,
9559 replace_phi_with_cond_modify_expr): Likewise.
9560 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9561 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9563 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9565 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9567 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9570 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9571 array after growing it.
9573 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9576 * fold-const.c (fold_checksum_tree): Change type of buf.
9578 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9580 * reload.c (push_secondary_reload): Initialize t_icode.
9582 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9584 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9585 -msoft-float -mlong-double-128 only issue a warning, but don't
9586 swich to DFmode long double.
9588 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9590 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9591 has a constant equivalent, iterate over equivalents for arg0,
9592 calling simplify_relational_operation and if there's a result
9593 cheaper than X, apply fold_rtx and return the result.
9595 2006-02-01 Jan Hubicka <jh@suse.cz>
9597 * opts.c (no_unit_at_a_time_default): New global variable.
9598 (decode_options): Use it.
9599 * opts.h (no_unit_at_a_time_default): Declare.
9601 2006-02-01 Paul Brook <paul@codesourcery.com>
9603 * function.c (assign_parm_setup_reg): Use function argument promotion
9605 * expr.c (expand_expr_real_1): Use function argument promotion rules
9608 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9610 * gcc.c (process_command): Change j to 'unsigned int'.
9612 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9615 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9616 Use the corrected index for the character
9617 out of the string constant.
9619 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9621 * mode-switching.c (optimize_mode_switching): Fix size
9622 allocated for bb_info[n_entities].
9624 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9626 * gcc.c (main): Correct type that is allocated for
9627 explicit_link_files.
9629 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9631 * config/s390/s390.c (init_alignment_context): Set
9632 ALIAS_SET_MEMORY_BARRIER on the MEM.
9633 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9635 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9638 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9640 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9643 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9645 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9646 * regrename.c: Ditto.
9647 * tree-ssa-loop-im.c: Ditto.
9648 * tree-dump.c: Ditto.
9649 * tree-complex.c: Ditto.
9650 * genrecog.c: Ditto.
9651 * tree-ssa-threadupdate.c: Ditto.
9653 * java/class.c: Ditto.
9654 * java/jcf-parse.c: Ditto.
9655 * java/resource.c: Ditto.
9656 * java/except.c: Ditto.
9657 * java/jvspec.c: Ditto.
9658 * java/jcf-write.c: Ditto.
9659 * java/jcf-path.c: Ditto.
9660 * java/gjavah.c: Ditto.
9661 * java/zextract.c: Ditto.
9662 * java/jcf-io.c: Ditto.
9663 * java/jcf.h: Ditto.
9664 * java/buffer.c: Ditto.
9665 * java/lang.c: Ditto.
9666 * java/parse-scan.y: Ditto.
9667 * java/lex.c: Ditto.
9668 * java/lex.h: Ditto.
9669 * cfgloopmanip.c: Ditto.
9670 * postreload-gcse.c: Ditto.
9671 * tree-ssa-loop-manip.c: Ditto.
9672 * postreload.c: Ditto.
9673 * tree-ssa-loop-ch.c: Ditto.
9677 * diagnostic.c: Ditto.
9679 * genoutput.c: Ditto.
9681 * cfghooks.c: Ditto.
9682 * cfgloopanal.c: Ditto.
9683 * objc/objc-act.c: Ditto.
9685 * genextract.c: Ditto.
9686 * genautomata.c: Ditto.
9687 * pretty-print.c: Ditto.
9689 * cgraphunit.c: Ditto.
9692 * haifa-sched.c: Ditto.
9693 * dominance.c: Ditto.
9695 * tree-ssa-loop-ivopts.c: Ditto.
9697 * mode-switching.c: Ditto.
9698 * modulo-sched.c: Ditto.
9700 * ipa-pure-const.c: Ditto.
9702 * fix-header.c: Ditto.
9704 * tree-stdarg.c: Ditto.
9705 * ipa-utils.c: Ditto.
9706 * loop-init.c: Ditto.
9707 * ipa-inline.c: Ditto.
9710 * alloc-pool.c: Ditto.
9711 * dwarf2out.c: Ditto.
9713 * genattrtab.c: Ditto.
9714 * tree-ssa-loop-ivcanon.c: Ditto.
9718 * fortran/gfortranspec.c: Ditto.
9720 * local-alloc.c: Ditto.
9721 * langhooks.c: Ditto.
9722 * function.c: Ditto.
9723 * tree-vectorizer.c: Ditto.
9725 * ipa-type-escape.c: Ditto.
9727 * tree-if-conv.c: Ditto.
9730 * tree-data-ref.c: Ditto.
9731 * loop-unroll.c: Ditto.
9732 * treelang/treetree.c: Ditto.
9735 * ggc-common.c: Ditto.
9737 * coverage.c: Ditto.
9739 * tree-cfgcleanup.c: Ditto.
9740 * tree-ssa-pre.c: Ditto.
9741 * cfgcleanup.c: Ditto.
9742 * loop-invariant.c: Ditto.
9744 * ipa-prop.c: Ditto.
9745 * print-tree.c: Ditto.
9746 * conflict.c: Ditto.
9747 * ggc-page.c: Ditto.
9748 * sched-deps.c: Ditto.
9749 * regclass.c: Ditto.
9750 * tree-object-size.c: Ditto.
9752 * bb-reorder.c: Ditto.
9753 * resource.c: Ditto.
9754 * var-tracking.c: Ditto.
9756 * df-problems.c: Ditto.
9757 * reg-stack.c: Ditto.
9760 * sched-rgn.c: Ditto.
9761 * tree-ssa-structalias.c: Ditto.
9762 * tree-ssa-reassoc.c: Ditto.
9763 * config/darwin-c.c: Ditto.
9764 * config/darwin.c: Ditto.
9765 * config/arm/arm.c: Ditto.
9767 * collect2.c: Ditto.
9770 2006-01-31 Nicolas Pitre <nico@cam.org>
9772 * arm.md (smaxsi3): Make aware of smax_m1.
9775 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9777 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9779 2006-01-31 Richard Guenther <rguenther@suse.de>
9781 * doc/invoke.texi (-msselibm): Document.
9782 * target.h (expand_library_builtin): New target hook.
9783 * builtins.c (expand_builtin): Use expand_library_builtin.
9784 (default_expand_library_builtin): New function.
9785 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9786 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9787 (link_gcc_math_spec): Declare.
9788 (static_specs): Add link_gcc_math_spec.
9789 * expr.h (default_expand_library_builtin): Declare.
9790 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9791 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9792 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9793 * config/i386/i386.opt (msselibm): New target option.
9794 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9795 (ix86_init_sse_abi_builtins): New function.
9796 (ix86_expand_library_builtin): Likewise.
9797 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9798 (override_options): Handle error conditions wrt -msselibm.
9799 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9800 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9801 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9804 2006-01-31 Richard Guenther <rguenther@suse.de>
9805 Paolo Bonzini <bonzini@gnu.org>
9807 * doc/install.texi (--disable-libgcc-math): Document.
9809 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9811 * expr.h (expand_normal): new inline function.
9812 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9814 * dwarf2out.c: use it.
9819 * config/sparc/sparc.c: use it.
9820 * config/i386/i386.c: use it.
9821 * config/rs6000/rs6000.c: use it.
9822 * config/arm/arm.c: use it.
9823 * config/mips/mips.c: use it.
9824 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9826 2006-01-30 Roger Sayle <roger@eyesopen.com>
9828 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9829 argv to the appropriate type.
9831 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9833 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9836 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9839 * config/s390/s390.c (struct machine_function): New flag
9840 decomposed_literal_pool_addresses_ok_p.
9841 (s390_reorg): Set it before final stage of literal pool transforms.
9842 (s390_decompose_address): Only accept displacements of the form
9843 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9845 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9847 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9848 the comparison routine return.
9850 2006-01-30 Michael Matz <matz@suse.de>
9852 * global.c (find_reg): Only evict for global regs.
9853 Take n_refs into account and dump more info.
9855 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9858 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9859 (pragma_trap, pragma_nosave_low_regs): Likewise.
9860 (current_function_anonymous_args): Likewise.
9861 (sh_deferred_function_attributes): New variable.
9862 (sh_deferred_function_attributes_tail): Likewise.
9863 (print_operand): For '@', look up trap_exit attribute.
9864 (calc_live_regs): Look up trapa_handler attribute. For trapa
9865 handlers, save/restore fpscr, but don't do any other
9866 interrupt-specific saves.
9867 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9868 Fix check for partially saved registers to check for SHmedia.
9869 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9870 (sh_output_function_epilogue): Don't clear any of the removed
9872 (sh_insert_attributes): Don't check pragma_interrupt.
9873 Insert deferred attributes. Check that interrupt attribute is
9874 present for other attributes that require its presence.
9875 (sh_attribute_table): Add new attributes trapa_handler and
9877 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9878 Don't check for pragma_interrupt. Don't store argument.
9879 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9880 (sh_deferred_function_attributes): Declare.
9881 (sh_deferred_function_attributes_tail): Likewise.
9882 * sh.md (sp_switch_1): Add operand. Change generator caller.
9883 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9884 (*return_i): Don't use when trap_exit attribute is in effect.
9885 (*return_trapa): New insn pattern.
9887 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9888 setting c_target_objs and cxx_target_objs.
9889 * t-sh: Add rule for sh-c.o.
9891 2006-01-30 Richard Guenther <rguenther@suse.de>
9894 * gimplify.c (gimplify_target_expr): Handle easy cases
9895 without creating a temporary.
9897 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9899 * vec.h (safe_grow): Remove duplicated line.
9901 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9904 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9905 (expand_omp): ... here.
9906 (expand_omp_parallel): Only remove barriers for combined
9907 parallel+workshare constructs.
9909 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9913 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9914 * tree.c (build_qualified_type): Chain the new type to the original
9915 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9916 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9917 (build_pointer_type_for_mode): Only return unqualified types.
9918 (build_reference_type_for_mode): Likewise.
9920 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9922 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9923 * Makefile.in (CXX_COMPAT_WARN): Define.
9924 * configure: Regenerate.
9926 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9929 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9932 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9934 * toplev.c: Fix thinko.
9936 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9937 Marcin Dalecki <martin@dalecki.de>
9939 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9940 (push_srcloc): Use XNEW.
9941 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9943 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9945 * df-core.c (df_set_blocks): Deleted all variable.
9947 2006-01-28 Ian Lance Taylor <ian@airs.com>
9949 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9950 cgraph_output_pending_asms.
9952 2006-01-28 Zack Weinberg <zackw@panix.com>
9954 * c.opt: Add -W(no-)overlength-strings.
9955 * doc/invoke.texi: Document it.
9956 * c-opts.c (c_common_handle_option): -pedantic implies
9957 -Woverlength-strings, if not explicitly disabled already.
9958 (c_common_post_options): -Woverlength-strings defaults to off, and
9959 is always off for C++.
9960 * c-common.c (fix_string_type): Issue warning about strings longer
9961 than is portable only if warn_overlength_strings. Rearrange code
9962 a little for clarity.
9963 * configure.in: Check for -Wno-overlength-strings as well before
9964 enabling -pedantic in stage 1.
9965 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9966 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9968 * genconditions.c (write_header, write_one_condition)
9969 (write_conditions, write_writer): Consolidate very long strings
9970 that were broken up to fit in C89 portable limit. Don't use
9971 printf when fputs will do.
9973 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9975 * combine.c (simplify_comparison <AND>): Check
9976 TRULY_NOOP_TRUNCATION before start using a subreg.
9978 * config/mips/mips.md (*branch_zero<mode>,
9979 *branch_zero<mode>_inverted, *branch_equality<mode>,
9980 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9981 Remove mode check from comparisons.
9983 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9985 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9987 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9989 * expmed.c (const_mult_add_overflow_p): Remove.
9990 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9992 * recog.c (validate_replace_rtx_subexp): Remove.
9993 * recog.h: Remove the prototype for
9994 validate_replace_rtx_subexp.
9996 * integrate.h: Remove the prototype for
9997 copy_decl_for_inlining.
9998 * rtl.h: Remove the prototype for mark_constant_function.
9999 * tree-vectorizer.h: Remove the prototype for
10000 vect_strip_conversion.
10002 * modulo-sched.c (create_partial_schedule,
10003 free_partial_schedule, reset_partial_schedule): Make them
10006 * hooks.c (hook_bool_rtx_int_false): Remove.
10007 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10009 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10011 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10012 and -mlong-double-128 are incompatible.
10013 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10014 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10015 (TARGET_LIBGCC2_CFLAGS): Define.
10016 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10017 (TARGET_LIBGCC2_CFLAGS): Same.
10018 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10020 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10023 * c-typeck.c (build_binary_op): Perform implicit casts of
10024 operands before shortening them.
10026 * cfgloopmanip.c (split_loop_bb): Remove.
10027 * cfgloop.h: Remove the prototype for split_loop_bb.
10029 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10030 * cfgloop.h: Remove the prototype for
10031 flow_loop_outside_edge_p.
10033 * emit-rtl.c (init_virtual_regs): Make it static.
10034 * function.h: Remove the prototype for init_virtual_regs.
10036 * recog.c (peephole2_optimize): Make it static.
10037 * recog.h: Remove the prototype for peephole2_optimize.
10039 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10041 * df-scan.c (df_record_entry_block_defs): Check if
10042 INCOMING_RETURN_ADDR_RTX is defined.
10044 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10045 Kenneth Zadeck <zadeck@naturalbridge.com>
10047 PR rtl-optimization/24762
10048 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10049 * targhooks.c (hook_void_bitmap): New hook prototype.
10050 * targhoohs.h (hook_void_bitmap): Ditto.
10051 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10052 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10053 * target.h (live_on_entry): New function pointer.
10054 * df-scan.c (df_all_hard_regs): Removed.
10055 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10056 (df_scan_free_internal): Added df->entry_block_defs.
10057 (df_scan_alloc): Ditto.
10058 (df_scan_dump): Ditto.
10059 (df_uses_record): Plumbed flag field properly thru calls.
10060 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10061 This part fixes PR24762.
10062 (df_bb_refs_record): Added code to make the frame and arg
10063 pointers live in EH blocks.
10064 (df_refs_record): Added call to df_record_entry_block_defs.
10065 (df_record_entry_block_defs): New function.
10066 * df-core.c: Added comments to describe new artifical defs.
10067 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10068 (entry_block_defs): New field in struct df.
10069 (df_all_hard_regs): Deleted.
10070 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10071 * df-problems.c (df_ru_bb_local_compute_process_def):
10072 Added code to handle artifical defs in the entry to a function.
10073 (df_ru_bb_local_compute): Ditto.
10074 (df_rd_bb_local_compute_process_def): Ditto.
10075 (df_rd_bb_local_compute): Ditto.
10076 (df_lr_bb_local_compute): Ditto.
10077 (df_ur_bb_local_compute): Ditto.
10078 (df_urec_bb_local_compute): Ditto.
10079 (df_chain_create_bb): Ditto.
10080 (df_ur_local_finalize): Removed entry.
10081 (df_urec_init): Ditto.
10082 (df_urec_local_finalize): Ditto.
10083 (df_ri_bb_compute): Added detection of last use of pseudos.
10084 * Makefile.in (df-scan.o): Updated dependencies.
10085 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10086 * config/mips/mips.c (mips_set_live_on_entry): Added.
10087 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10089 * dce.c (marked_insn_p): Added code to handle artifical defs.
10091 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10093 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10095 (_mm_cvtsi128_si64): Likewise.
10096 (_mm_cvtsd_si64): Likewise.
10097 (_mm_cvttsd_si64): Likewise.
10098 (_mm_cvtsi64_sd): Likewise.
10099 (_mm_cvtsi64_si128): Likewise.
10100 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10101 (_mm_cvtsi64_m64): Likewise.
10102 (_m_to_int64): Likewise.
10103 (_mm_cvtm64_si64): Likewise.
10104 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10105 (_mm_cvttss_si64): Likewise.
10106 (_mm_cvtsi64_ss): Likewise.
10107 (_mm_cvtss_f32): Likewise.
10109 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10111 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10112 for pragma redefine_extname.
10114 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10117 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10118 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10119 -mno-minimal-toc to previous content.
10120 (bispecs): Remove goal.
10121 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10122 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10123 compatibility aliases on powerpc-*-*gnu*.
10124 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10125 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10126 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10127 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10128 (ldblspecs): New goal.
10129 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10130 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10132 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10133 L_sf_to_tf or L_df_to_tf is defined.
10135 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10136 Alan Modra <amodra@bigpond.net.au>
10139 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10140 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10141 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10142 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10143 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10144 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10145 (rs6000_override_options): Initialize rs6000_ieeequad.
10146 Initialize TFmode format to ibm_extended_format if not
10148 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10150 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10151 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10152 (function_arg_advance): IBM long double passed in two FPRs, not
10154 (function_arg): IBM long double passed in FPRs.
10155 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10156 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10157 Only multireg GPR aligned.
10158 (rs6000_init_libfuncs): Enable IBM long double functions if not
10160 (rs6000_generate_compare): Use IBM long double compare if not
10162 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10163 (TARGET_IEEEQUAD): Define.
10164 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10165 not TARGET_IEEEQUAD.
10166 * config/rs6000/rs6000.md: Enable TFmode patterns if
10168 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10169 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10170 and -mlong-double-128 are incompatible.
10171 * doc/invoke.texi (-mabi): Collect options together. Add
10172 ibmlongdouble and ieeelongdouble.
10174 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10176 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10178 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10179 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10180 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10181 * rtl.h (rtunion_def): Remove rt_ptr.
10183 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10184 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10185 * config/i386/winnt.c (i386_pe_mark_dllexport)
10186 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10188 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10190 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10192 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10196 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10197 pthread_key_delete. From John David Anglin. gthrw-ify
10198 pthread_getunique_np only if it it's not a macro. Delete
10200 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10201 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10202 __gthread_objc_condition_signal, __gthread_key_delete): Add
10203 "__attribute__ ((__unused__))" to unused arguments.
10204 (__gthread_recursive_mutex_init_function): Add missing return.
10205 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10206 gthr-posix95.h: Use macro-based approach for name redirection
10207 on targets missing weakref.
10209 2006-01-26 Zack Weinberg <zackw@panix.com>
10211 * genconditions.c (write_header): In generated code, #ifdef out
10212 all includes and fake declarations, except includes of bconfig.h
10213 and system.h, unless GCC_VERSION >= 3001. Do not include
10214 gensupport.h in any case.
10215 (write_conditions): Generate a definition of struct c_test. Add
10216 a comment to the generated #endif.
10217 (write_one_condition): Escape backslashes in string too.
10218 (write_writer): Generated code must escape backslashes and quote
10219 marks (but not newlines) in the strings it writes.
10220 * Makefile.in (build/gencondmd.o): Update dependencies.
10222 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10225 * Makefile.in (insn-automata.o): Add header file dependencies.
10226 * genautomata.c: Add includes.
10228 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10231 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10233 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10235 * configure.ac: Expect target tools paths to be passed from the toplevel
10236 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10238 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10240 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10243 * c.opt (Wpointer-sign): Init to -1.
10244 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10245 OPT_pedantic, to 0 otherwise.
10246 * doc/invoke.texi: Update.
10248 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10250 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10251 constants provided by 80387 instructions in the destination mode.
10253 2006-01-26 Richard Guenther <rguenther@suse.de>
10254 Andrew Pinski <pinskia@physics.uc.edu>
10257 partial PR tree-opt/17064
10258 * tree-ssa-structalias.c (intra_create_variable_infos):
10259 Create heap variables for incoming parameters if
10260 flag_argument_noalias > 1.
10261 (find_what_p_points_to): Look through default defs of
10264 2006-01-26 Jeff Law <law@redhat.com>
10267 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10268 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10269 within the VR_RANGE, use the VR_RANGE as the result, not the
10271 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10272 bounds for the type.
10274 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10276 * tree-ssa-alias.c (maybe_create_global_var): Change
10277 subvar walking to an assertion that we don't have subvar'd variables.
10279 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10282 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10283 Use a new variable, inner. PARM_DECLs are always non-weak.
10285 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10287 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10288 --disable-checking.
10290 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10292 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10294 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10296 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10297 (smax_insn, smin_insn, smax_0, smin_0): New.
10299 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10302 * config/cris/cris.c (cris_order_for_addsi3): New function.
10303 * config/cris/cris-protos.h: Prototype it.
10304 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10305 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10306 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10307 (split for "op.S1 [rx=rx+i],ry (swapped)")
10308 (split for "op(s|u).S1 [rx=rx+i],ry")
10309 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10310 Apply cris_order_for_addsi3 when generating addsi3 insns.
10312 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10314 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10315 (TREE_BLOCK): Add call to EXPR_CHECK.
10317 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10320 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10321 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10322 (dump_omp_clauses): ... here.
10323 (dump_generic_node): Handle OMP_CLAUSE.
10324 * tree.c (omp_clause_num_ops): New.
10325 (omp_clause_code_name): New.
10326 (tree_code_size): Handle OMP_CLAUSE.
10327 (tree_size): Likewise.
10328 (make_node): Document handling of OMP_CLAUSE.
10329 (tree_node_structure): Handle OMP_CLAUSE.
10330 (omp_clause_check_failed): New.
10331 (omp_clause_range_check_failed): New.
10332 (omp_clause_operand_check_failed): New.
10333 (build_omp_clause): New.
10334 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10335 * tree.h (enum omp_clause_code): Declare.
10336 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10337 (OMP_CLAUSE_RANGE_CHECK): Define.
10338 (OMP_CLAUSE_ELT_CHECK): Define.
10339 (omp_clause_check_failed): Declare.
10340 (omp_clause_operand_check_failed): Declare.
10341 (omp_clause_range_check_failed): Declare.
10342 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10343 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10344 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10345 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10346 (OMP_CLAUSE_IF_EXPR): Likewise.
10347 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10348 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10349 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10350 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10351 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10352 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10353 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10354 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10355 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10356 (OMP_CLAUSE_CODE): Define.
10357 (OMP_CLAUSE_SET_CODE): Define.
10358 (OMP_CLAUSE_CODE): Define.
10359 (OMP_CLAUSE_OPERAND): Define.
10360 (struct tree_omp_clause): Declare.
10361 (union tree_node): Add field 'omp_clause'.
10362 * treestruct.def (TS_OMP_CLAUSE): Define.
10363 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10364 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10365 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10366 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10367 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10368 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10369 (OMP_CLAUSE): Define.
10370 * print-tree.c (print_node): Handle OMP_CLAUSE.
10371 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10372 * c-typeck.c: Likewise.
10373 * gimplify.c: Likewise.
10374 * c-omp.c: Likewise.
10375 * tree-nested.c: Likewise.
10376 * tree-inline.c: Likewise.
10377 * c-parser.c: Likewise.
10378 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10381 2006-01-25 Roger Sayle <roger@eyesopen.com>
10383 PR rtl-optimization/25703
10384 * combine.c (try_combine): Handle zero_extract and strict_low_part
10385 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10387 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10389 * global.c: Fix comment typos.
10391 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10394 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10395 Use output_addr_const instead of assemble_name.
10397 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10399 * Makefile.in (sched-vis.o): Update dependencies.
10400 * haifa-sched.c (sched_finish): Clear current_sched_info.
10401 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10402 (dump_flow_info): Call it.
10403 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10405 * basic-block.h (dump_bb_info): Declare.
10406 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10407 option, and apply options only for dump files whose TDF_RTL,
10408 TDF_TREE, or TDF_IPA bits match.
10409 * rtl.h: Declare new functions exported from sched-vis.c.
10410 * sched-vis.c: Enable also if scheduling is not used.
10411 (print_value): Print the mode of registers if not inside scheduling.
10412 (print_insn): Make it work outside the scheduler. Beautify the output
10414 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10416 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10418 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10419 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10420 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10421 depending on the value of CONSTANT_POOL_ADDRESS_P.
10422 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10424 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10425 rather than SYMBOL_REF_DECL.
10426 (rtx_constant_pool): Remove const_rtx_sym_htab.
10427 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10428 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10429 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10430 Remove handling of const_rtx_sym_htab.
10431 (find_pool_constant): Delete.
10432 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10433 rather than find_pool_constant.
10434 (get_pool_constant_for_function): Delete.
10435 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10436 find_pool_constant.
10437 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10438 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10439 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10440 (SYMBOL_REF_CONSTANT): New macro.
10441 (get_pool_constant_for_function): Delete.
10442 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10443 rather than SYMBOL_REF_DECL.
10444 (i386_pe_mark_dllimport): Likewise.
10445 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10446 rather than SYMBOL_REF_DECL.
10447 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10448 (machopic_indirect_call_target): Likewise.
10450 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10452 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10454 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10456 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10458 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10460 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10462 2006-01-24 David Daney <ddaney@avtrex.com>
10465 * configure.ac (enable_tls): New enable option.
10466 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10467 * configure: Regenerate.
10468 * doc/install.texi (--enable-tls): Document new option.
10469 (--disable-tls): Ditto.
10471 2006-01-24 Richard Henderson <rth@redehat.com>
10473 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10474 * alias.c (true_dependence): Respect it.
10475 (canon_true_dependence, write_dependence_p): Likewise.
10476 * builtins.c (get_builtin_sync_mem): Set it.
10478 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10480 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10483 2006-01-24 DJ Delorie <dj@redhat.com>
10485 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10486 for storing constants in single-bit bitfields.
10488 2006-01-25 Ben Elliston <bje@au.ibm.com>
10490 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10492 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10495 * tree-ssa-pre.c (phi_translate): Return NULL
10496 for AGGREGATE_TYPE's.
10498 2006-01-24 Zack Weinberg <zackw@panix.com>
10500 * genautomata.c (process_state_for_insn_equiv_partition):
10501 Use xcalloc for insn_arcs_array.
10502 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10503 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10505 2006-01-24 Richard Henderson <rth@redhat.com>
10507 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10508 update all callers.
10510 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10512 PR rtl-optimization/25890
10513 PR rtl-optimization/25905
10514 * combine.c (expand_compound_operation, expand_field_assignment):
10515 Fail if the bitfield's final position is out of bounds.
10517 2006-01-24 Ian Lance Taylor <ian@airs.com>
10519 PR middle-end/25930
10520 * cgraphunit.c (cgraph_output_in_order): Don't clear
10521 cgraph_asm_nodes until after asm strings have been output.
10523 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10525 * fix-header.c (read_scan_file): Add new parameter imultilib when
10526 calling register_include_chains.
10528 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10530 * omp-low.c: Update documentation.
10532 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10533 Daniel Berlin <dberlin@dberlin.org>
10537 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10538 return from the function.
10540 2006-01-22 Zack Weinberg <zackw@panix.com>
10542 * rtl.def (match_code): Add second argument.
10543 * genpreds.c (write_extract_subexp): New function.
10544 (write_match_code): Add path argument. Use write_extract_subexp.
10545 (write_predicate_expr): Pass path to write_match_code.
10546 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10547 not perform a mode test.
10548 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10549 a subexpression does not constrain the top-level code set.
10550 * read-rtl.c (read_rtx_variadic): New function.
10551 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10552 * doc/md.texi: Document new notation.
10553 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10554 (cmpsi_operand): ... here, using new notation.
10556 2006-01-22 Zack Weinberg <zackw@panix.com>
10558 * varray.c: Remove GENERATOR_FILE #ifdefs.
10560 2006-01-22 Zack Weinberg <zackw@panix.com>
10562 * genautomata.c (output_reserved_units_table): Emit nothing if
10563 description->query_units_num is zero. Remove extra blank line.
10564 (output_cpu_unit_reservation_p): Short circuit
10565 if description->query_units_num is zero.
10567 2006-01-22 Zack Weinberg <zackw@panix.com>
10569 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10570 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10571 nor any of the random handful of variables that used to be necessary
10572 when this program was linked with rtlanal.o. Prune set of forward
10573 function declarations.
10574 (struct attr_desc): Remove static_p field.
10575 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10576 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10577 (attr_string): Do not read the character one past the length of
10579 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10580 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10581 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10582 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10583 (make_automaton_attrs): New.
10584 (main): Do not call into genautomata. Call local gen_bypass
10585 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10586 Remove special case for insn_alts.
10587 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10588 varray.h (leftover from previous change). Prune set of forward
10589 function declarations. Remove state_alts fields from all
10590 structures. Remove state_alts_table from struct automaton.
10591 Make everything except main static. Do not maintain num_dfa_decls.
10592 Do not maintain state_alts fields of various structures.
10593 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10594 (add_arc): Remove state_alts argument. All callers updated.
10595 (output_reserved_units_table): Emit #ifdef here...
10596 (output_tables): ...not here. Don't generate state_alts tables.
10597 (expand_automata): Don't generate attributes.
10598 (write_automata): Don't generate state_alts functions.
10599 (main): New function.
10600 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10601 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10602 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10603 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10604 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10605 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10606 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10607 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10609 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10610 * genattrtab.h: Delete file.
10611 * Makefile.in (OBJS-common): Add insn-automata.o.
10612 (insn-automata.o): New rule.
10613 (simple_generated_c): Add insn-automata.c.
10614 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10615 (genprogmd): Add automata.
10616 (build/genattrtab): Needs no extra objects nor libraries.
10617 (build/genautomata): Needs build/vec.o and -lm.
10619 2006-01-22 Zack Weinberg <zackw@panix.com>
10621 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10622 (output_dfa_max_issue_rate, locked_states_num): Delete.
10623 (struct automaton): Add locked_states field.
10624 (output_dead_lock_vect): Save number of locked states in
10625 automaton->locked_states. If it is zero, don't print anything.
10626 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10627 (output_internal_dead_lock_func): Only test the dead_lock_vect
10628 for automata that have locked states.
10629 (output_statistics): Always print the number of locked states for
10630 each automaton. Calculate total number of locked states here.
10631 (write_automata): Don't call output_dfa_max_issue_rate.
10632 * genattrtab.c: Define length_unit_log as a const variable.
10633 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10634 max_insn_queue_index const.
10635 * final.c (length_unit_log): Declare const.
10636 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10638 2006-01-22 Zack Weinberg <zackw@panix.com>
10640 * genautomata.c: Include vec.h, not varray.h.
10641 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10642 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10643 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10644 VEC_* macros operating on appropriately typed vectors, or to
10645 malloced arrays when the size is known in advance. Const-ify
10646 many char* variables and function arguments. No functional changes.
10647 * Makefile.in (build/varray.o): Delete rule.
10648 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10649 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10651 2006-01-22 Zack Weinberg <zackw@panix.com>
10653 * gensupport.c: Define get_insn_name and record_insn_name here.
10654 (read_md_rtx): Call record_insn_name as appropriate.
10655 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10656 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10657 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10659 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10660 (BUILD_VARRAY): Delete.
10661 (genprognormal): Rename genprogmd. Fold in all programs from
10662 genprognoprint; also attrtab.
10663 (build/genattrtab): Just mention genautomata.o and varray.o.
10664 Reorganize a bit, add comments to make the categories clearer.
10666 2006-01-22 Zack Weinberg <zackw@panix.com>
10668 * genconditions.c (condition_table, add_condition): Delete.
10669 (write_conditions): Don't emit n_insn_conditions nor
10670 insn_elision_unavailable. Issue the gcc version #ifdef here,
10671 inside the table, with no #else clause ...
10672 (write_header): ...not here.
10673 (write_writer): New function.
10674 (main): Don't initialize condition_table. Use add_c_test.
10676 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10677 files on the command line.
10678 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10679 Return -1 if there is no entry in the table, don't abort.
10680 (add_c_test, traverse_c_tests): New functions.
10681 * gensupport.h (insn_elision_unavailable, insn_conditions)
10682 (n_insn_conditions): Delete declarations.
10683 (add_c_test, traverse_c_tests): Declare.
10684 * read-rtl.c: Include gensupport.h.
10685 (read_conditions): New function.
10686 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10687 (read_rtx_1): If we get EOF when we were looking for an initial
10688 open paren, return 0. Call read_conditions when appropriate.
10689 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10690 dummy-conditions.o. Eliminate references to insn-conditions.o,
10691 or change them to build/gencondmd.o, as appropriate. Remove
10692 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10693 from $(simple_generated_c). For all files remaining in those
10694 two lists, add insn-conditions.md to the generator command line.
10695 Give insn-constants.h/s-constants their own rules. Add rules
10696 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10697 (build/read-rtl.o): Depend on gensupport.h.
10698 (genprognormal): Include preds.
10699 (genprogearly): Rename genprognoprint; only difference is now that
10700 they don't link with $(BUILD_PRINT).
10701 * dummy-conditions.c: Delete.
10703 2006-01-22 Zack Weinberg <zackw@panix.com>
10705 * genextract.c: Don't include insn-config.h. Do include vec.h.
10706 Declare vectors of int, char, and locstr.
10707 (locstr): New typedef.
10708 (struct extraction): Make all array fields into bare pointers.
10709 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10710 (insn_code_number): Delete.
10711 (accum_extract): New struct.
10712 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10713 (gen_insn): Take insn_code_number as an argument. Use an
10714 accum_extract structure instead of loading data directly into
10715 a struct extraction, and having to know how big it might get.
10716 (walk_rtx): Operate entirely on an accum_extract structure.
10717 (print_path): Avoid unnecessary use of printf.
10718 (print_header): New function, split out of main. Distinguish
10719 more carefully between an unrecognizable insn and an insn that
10720 has the code number of a define_expand.
10721 (main): Pass insn_code_number to gen_insn. Call print_header
10722 only after parsing. Avoid unnecessary use of printf.
10723 * Makefile.in (build/vec.o): New rule.
10724 (build/genextract): Depend on build/vec.o.
10725 (build/genextract.o): Don't depend on insn-config.h.
10727 2006-01-22 Zack Weinberg <zackw@panix.com>
10729 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10730 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10731 practical. Eliminate per-generator-program link rules.
10733 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10735 PR middle-end/24437
10736 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10737 with a call expr to ...
10738 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10740 2006-01-23 Richard Guenther <rguenther@suse.de>
10742 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10743 before make_edge with conditional EDGE_TRUE_VALUE.
10745 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10746 Jan Hubicka <jh@suse.cz>
10747 Richard Guenther <rguenther@suse.de>
10749 PR rtl-optimization/25654
10750 * cfgexpand.c (aggregate_contains_union_type): New function.
10751 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10752 for structure variables that contain a union type.
10754 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10756 * gengtype.c (new_structure): Return the structure.
10757 (create_option): Add an extra "next" argument.
10758 (create_field): New function.
10759 (adjust_field_rtx_def): Use create_option and create_field.
10760 Remove a now-unnecessary call to find_structure.
10761 (adjust_field_tree_def): Likewise.
10762 (note_yacc_type): Remove an unnecessary call to find_structure.
10763 * gengtype.h (new_structure): Return the structure.
10764 (create_option): Add an extra argument.
10765 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10766 (option): Adjust calls to create_option.
10768 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10770 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10772 2006-01-22 Paul Brook <paul@codesourcery.com>
10773 Peter Barada <peter@the-baradas.com>
10775 * config/m68k/m68k.md: Add Coldfire FPU support.
10776 Define FP mode macro and associated attributes.
10777 Use it for float mode patterns.
10778 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10779 (LIBCALL_VALUE): Use m68k_libcall_value.
10780 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10781 (m68k_function_value): Ditto.
10782 (emit_move_sequence): Ditto.
10783 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10784 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10785 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10786 (MULTILIB_EXCEPTIONS): Ditto.
10787 * config/m68k/m68k.opt: Add mcfv4e.
10788 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10789 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10790 (m68k_output_function_prologue): Save ColdFire FPU registers.
10791 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10792 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10793 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10794 ColdFire FPU registers.
10795 (m68k_libcall_value, m68k_function_value): New functions.
10796 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10797 (LIBCALL_VALUE): Use m68k_libcall_value.
10798 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10799 (MASK_COLDFIRE): Add MASK_CFV4E.
10800 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10801 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10802 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10803 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10804 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10805 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10806 * doc/invoke.tex: Document -mcfv4e on m68k.
10808 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10810 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10813 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10816 * c-opts.c (c_common_handle_option): Don't include
10817 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10818 * doc/invoke.texi (C++ Dialect Options): Document that
10819 -Wnon-virtual-dtor is no longer included in -Wall.
10821 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10823 * gcov.c (print_version), gcov-dump.c (print_version),
10824 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10827 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10829 * df-scan.c (problem_SCAN): Added NULL reset function.
10830 (df_scan_reset_blocks): Added code to call reset block function
10831 (df_bb_refs_delete) Fixed comment.
10832 (df_insn_refs_delete): Made tolerant of deleting non existent info
10833 for dataflow problems that need to be reset.
10834 * df-core.c (df_set_blocks): Ditto.
10835 * df.h (struct df_problem): Added reset_fun.
10836 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10837 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10838 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10839 functions to clear out all references to def-use or use-def chains.
10841 2006-01-21 Ben Elliston <bje@au.ibm.com>
10843 * varasm.c (assemble_real): Initialise data array.
10845 2006-01-20 Paul Brook <paul@codesourcery.com>
10847 Merge from csl-arm-branch.
10848 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10849 * config/arm/arm.md (movdi): Force operands[1] to a register
10850 if we have a non-register source.
10851 (*arm_movdi, *movdf_soft_insn): Require that one of the
10852 operands be a register.
10853 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10854 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10856 2006-01-20 DJ Delorie <dj@redhat.com>
10858 * varasm.c (initializer_constant_valid_p): Allow pointers
10859 initialized from integer constants of lesser precision.
10860 (output_constant): Allow non-int-sized pointer modes to be
10861 initialized from integer constants.
10863 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10866 * cppdefault.h (struct default_include): Add multilib flag.
10867 * cppdefault.c (cpp_include_defaults): Set it.
10868 * c.opt (-imultilib): New option.
10869 * c-opts.c (imultilib): New.
10870 (c_common_handle_option): Handle -imultilib.
10871 (c_common_post_options): Likewise.
10872 * c-incpath.c (add_standard_paths, register_include_chains):
10874 * c-incpath.h (register_include_chains): Add extra parameter.
10875 * gcc.c (do_spec_1): Generate -imultilib option.
10876 (The Specs Language): Update %I description.
10877 (process_command): Update copyright notice.
10878 * doc/cppopts.texi (-imultilib): Document.
10879 * doc/invoke.texi (-imultilib): Include in option summary.
10880 (%I): Update specs documentation.
10882 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10884 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10886 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10888 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10891 2006-01-20 Richard Guenther <rguenther@suse.de>
10892 Steven Bosscher <stevenb.gcc@gmail.com>
10894 PR rtl-optimization/24626
10895 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10896 EDGE_TRUE_VALUE if in RTL mode.
10899 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10900 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10902 2006-01-20 Dirk Mueller <dmueller@suse.com>
10905 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10906 instead of a special NOP marker.
10907 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10908 NOP marker handling.
10909 * c-common.h (empty_body_warning): Add forward declaration.
10910 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10911 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10913 2006-01-20 Paul Brook <paul@codesourcery.com>
10915 * Makefile.in (lang_checks): Keep going if mkdir fails.
10917 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10919 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10920 be able to clean out basic block when not necessary.
10921 (df_scan_free): Fixed to properly delete information if df is
10922 unused before calling df_finish.
10923 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10924 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10926 (df_bb_refs_delete): New function.
10927 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10928 * df-core.c (df_set_blocks): Added code to properly clean out
10929 unused blocks if they are not part of the blocks to consider.
10930 Added additional null check.
10931 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10932 be able to clean out basic block when not necessary
10933 * df.h (df_free_bb_function): Ditto.
10934 (df_bb_refs_delete): New function.
10935 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10936 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10937 basic block parameter to be able to clean out basic block when not
10939 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10940 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10941 Fixed to properly delete information if df is unused before
10944 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10946 PR rtl-optimization/25799
10947 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10948 Corrected confluence operator to remove bits from op2 before oring
10949 with op1 rather than removing bits from op1.
10950 (df_ru_transfer_function): Corrected test on wrong bitmap which
10951 caused infinite loop. Both of these problems were introduced in
10952 the dataflow rewrite.
10954 2006-01-19 DJ Delorie <dj@redhat.com>
10956 * reload1.c (find_reload_regs): Note the details of reload
10957 failures in the dump file.
10958 (spill_failure): Likewise.
10960 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10962 * loop-iv.c: Include df.h and hashtab.h.
10963 (enum iv_grd_result): New enum.
10964 (DF_REF_IV, DF_REF_IV_SET): New macros.
10965 (struct biv_entry): New.
10966 (df, bivs): New global variables.
10967 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10968 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10970 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10971 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10972 analyzed_for_bivness_p, record_biv): New functions.
10973 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10974 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10975 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10977 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10979 (iv_number_of_iterations): Use new interface to iv analysis.
10980 * loop-unroll.c: Do not include varray.h.
10981 (analyze_iv_to_split_insn): Use new interface to iv
10983 * loop-unswitch.c (may_unswitch_on): Ditto.
10984 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10986 (df_bb_modify): Realloc tables to the new index.
10987 (df_find_use): New function.
10988 * df.h (df_find_use): Declare.
10989 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10991 * cfgloop.h (struct rtx_iv): Remove analysed field.
10992 (iv_get_reaching_def): Removed.
10993 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10994 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10995 (loop-iv.o): Add df.h and hashtab.h dependency.
10996 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10998 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11001 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11003 (__floatundisf, __floatundidf): Likewise.
11004 * libgcc2.h (IS_IBM_EXTENDED): Define.
11006 2006-01-19 DJ Delorie <dj@redhat.com>
11008 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11010 2006-01-19 Paul Brook <paul@codesourcery.com>
11012 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11013 as nothrow when unwinding tables are disabled.
11015 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11018 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11019 of bit-field" when in system header.
11021 2006-01-19 DJ Delorie <dj@redhat.com>
11023 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11024 the 16 bit shift limit of the m16c.
11026 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11029 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11030 * config/i386/i386.c (output_set_got): Output the label if we have one
11031 for the TARGET_DEEP_BRANCH_PREDICTION case.
11033 2006-01-19 Jan Hubicka <jh@suse.cz>
11034 H.J. Lu <hongjiu.lu@intel.com>
11035 Evandro Menezes <evandro.menezes@amd.com>
11037 * invoke.texi (generic): Document
11039 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11040 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11041 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11042 (x86_use_incdec, x86_pad_returns): New variables
11043 (TARGET_CPU_DEFAULT_generic): New constant
11044 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11045 (enum processor_type): Add generic32 and generic64.
11046 * i386.md (cpu attribute): Add generic32/generic64
11047 (movhi splitter): Behave sanely when both partial_reg_dependency and
11048 partial_reg_stall are set.
11049 (K8 splitters): Enable for generic as well.
11050 * predicates.md (incdec_operand): Use TARGET_INCDEC
11051 (aligned_operand): Avoid memory mismatch stalls.
11052 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11053 * ppro.md: Enable for generic32
11054 * i386.c (generic64_cost, generic32_cost): New.
11055 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11056 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11057 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11058 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11059 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11060 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11061 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11062 x86_accumulate_outgoing_args, x86_prologue_using_move,
11063 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11064 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11065 Enable for generic.
11066 (x86_use_incdec, x86_pad_returns): New.
11067 (override_options): Add generic32 and generic64, translate "generic"
11068 to generic32/generic64 and "i686" to "generic32", refuse
11069 "generic32"/"generic64" as arch target.
11070 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11071 (ix86_reorg): Honor PAD_RETURNS.
11073 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11075 * tree-pretty-print.c (dump_generic_node): Handle
11076 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11077 * cgraph.c (cgraph_expand_queue): Rename from
11078 cgraph_analyze_queue. Update all users.
11079 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11080 cgraph_expand_queue.
11081 (cgraph_expand_all_functions): Likewise.
11082 (cgraph_finalize_pending_functions): Remove. Update callers.
11084 * tree.h (OMP_DIRECTIVE_P): Define.
11085 (OMP_PARALLEL_FN): Define.
11086 (OMP_PARALLEL_DATA_ARG): Define.
11087 (OMP_SECTIONS_SECTIONS): Define.
11088 * tree-pass.h (pass_expand_omp): Declare.
11089 * omp-low.c (struct omp_region): Declare.
11090 (struct omp_context): Remove fields 'parallel_type',
11091 'parallel_start_ix' and 'parallel_start_additional_args'.
11093 (struct omp_for_data): Rename from struct expand_omp_for_data.
11094 (omp_regions): New static variable.
11095 (root_omp_region): New static variable.
11096 (find_omp_clause): Make static.
11097 (is_in_combined_parallel_ctx): Remove.
11098 (is_combined_parallel): New.
11099 (extract_omp_for_data): Move earlier in the file.
11100 (workshare_safe_to_combine_p): New.
11101 (get_ws_args_for): New.
11102 (determine_parallel_type): Move earlier in the file.
11103 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11105 (omp_copy_decl): Likewise.
11106 (create_omp_child_function): Likewise.
11107 (lookup_omp_region): New.
11108 (dump_omp_region): New.
11109 (debug_omp_region): New.
11110 (debug_all_omp_regions): New.
11111 (new_omp_region): New.
11112 (scan_omp_parallel): If parallel_nesting_level > 1, the
11113 directive is nested within another parallel directive.
11114 Set OMP_PARALLEL_FN.
11115 (scan_omp_for): Do not try to handle combined parallel+for
11117 Remove FIXME comment.
11118 (scan_omp_nested): Remove.
11119 (scan_omp_1): Do not call scan_omp_nested when
11120 parallel_nesting_level is > 1.
11121 Do not change the DECL_CONTEXT of local variables found.
11122 (lookup_decl_in_outer_ctx): New.
11123 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11124 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11125 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11126 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11127 If CTX is nested, lookup VAR in the outer context when
11128 building copy assignment.
11129 (lower_send_clauses): Rename from expand_send_clauses.
11130 If CTX is nested, lookup VAR in the outer context when
11131 building copy assignments.
11132 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11133 If CTX is nested, lookup VAR in the outer context when
11134 building copy assignments.
11135 (expand_parallel_call): Rename from build_parallel_call.
11136 Handle combined parallel+workshare cases.
11137 Re-implement to emit code into the CFG.
11139 (expand_omp_parallel): Re-implement to emit code into the CFG.
11140 Call move_sese_region_to_fn to outline the sub-graph
11141 containing the parallel region.
11142 (expand_omp_for_1): Remove.
11143 (expand_omp_for_generic): Re-implement to emit code into the
11145 (expand_omp_for_static_nochunk): Likewise.
11146 (expand_omp_for_static_chunk): Likewise.
11147 (expand_omp_for): Likewise.
11148 (expand_omp_sections): Likewise.
11149 (remove_exit_barriers): New.
11150 (expand_omp_synch): New.
11152 (build_omp_regions_1): New.
11153 (build_omp_regions): New.
11154 (execute_expand_omp): New.
11155 (gate_expand_omp): New.
11156 (pass_expand_omp): Define.
11157 (lower_omp_sections): Rename from expand_omp_sections.
11158 Set OMP_SECTIONS_SECTIONS.
11159 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11160 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11161 (lower_omp_single): Rename from expand_omp_simple.
11162 (lower_omp_master): Rename from expand_omp_master.
11163 (lower_omp_ordered): Rename from expand_omp_ordered.
11164 (lower_omp_critical): Rename from expand_omp_critical.
11165 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11166 (lower_omp_for): Re-implement.
11167 (lower_omp_parallel): Re-implement.
11168 (lower_regimplify): Rename from expand_regimplify.
11169 (lower_omp_1): Rename from expand_omp_1.
11170 If there are syntax errors in the program, replace every
11171 OpenMP directive with NOP.
11172 Call lower_omp_* instead of expand_omp_*.
11173 (lower_omp): Rename from expand_omp.
11175 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11176 * tree-gimple.h (enum omp_parallel_type): Remove.
11177 (gimple_boolify): Declare extern.
11178 (find_omp_clause, determine_parallel_type): Remove.
11180 * gimple-low.c (lower_omp_directive): New.
11181 (lower_stmt): Call it.
11182 (record_vars_into): Move from ...
11183 (record_vars): ... here.
11184 Call record_vars_into with current_function_decl.
11186 * gimplify.c (struct gimplify_ctx): Remove fields
11187 combined_pre_p and combined_ctxp. Update users.
11188 (get_formal_tmp_var): Add documentation.
11189 (gimple_boolify): Make extern.
11190 (gimplify_expr_in_ctx): Remove. Update callers.
11191 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11192 will always be a BIND_EXPR.
11193 (gimplify_expr): Handle OMP_RETURN_EXPR.
11194 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11195 (OMP_PARALLEL): Add 3 operands.
11196 (OMP_SECTIONS): Add 1 operand.
11197 (OMP_RETURN_EXPR): Define.
11199 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11200 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11201 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11202 creating a circular free list.
11203 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11205 * tree-flow.h (move_sese_region_to_fn): Declare.
11206 (record_vars_into): Declare.
11207 * tree-cfg.c (make_omp_sections_edges): New.
11208 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11209 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11210 OMP_SECTIONS and OMP_SECTION.
11211 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11212 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11213 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11214 (gather_blocks_in_sese_region): New.
11215 (struct move_stmt_d): Declare.
11216 (move_stmt_r): New.
11217 (move_block_to_fn): New.
11218 (move_sese_region_to_fn): New.
11220 * passes.c (init_optimization_passes): Schedule
11221 pass_expand_omp after pass_init_datastructures.
11223 * tree-ssa-operands.c (get_expr_operands): Handle
11224 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11225 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11227 2006-01-19 Jeff Law <law@redhat.com>
11229 * tree-vrp.c (extract_range_from_assert): Refine the result range
11230 if the variable referenced by the ASSERT_EXPR has a range and
11231 either the tentative result range or the previous range is a
11234 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11236 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11238 2006-01-19 Jan Hubicka <jh@suse.cz>
11240 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11242 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11244 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11245 (expand_compound_operation, expand_field_assignment): Fail if the
11246 bit lengths of an extract operation are out of range.
11247 (make_extraction): Compute wanted_inner_mode based on the position
11248 and length of the extraction. Make it extraction_mode for non-constant
11249 positions, and do not modify offset in that case. When generating a
11250 new MEM, use a mode that can hold the extraction while keeping correct
11251 alignment. Remove code that supported MEMs wrapped by USEs.
11252 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11254 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11256 * config/s390/s390.md ("Y", "y"): New mode attribute.
11257 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11258 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11259 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11260 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11261 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11262 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11263 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11264 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11265 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11266 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11267 "addsi3", "subsi3"): Insn patterns removed.
11268 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11269 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11270 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11271 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11272 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11273 "*sub<mode>3_cconly2"): New insn patterns.
11274 ("addsi3", "subsi3"): New expanders.
11276 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11278 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11279 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11280 existing STMT_VINFO_VECTYPE if available.
11281 (vect_mark_relevant): Add special handling for stmts that are
11282 marked as STMT_VINFO_IN_PATTERN_P.
11283 (vect_analyze_loop): Call vect_pattern_recog.
11284 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11285 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11287 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11288 (vect_recog_func_ptr): New function-pointer type.
11289 * tree-vect-patterns.c: New file.
11290 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11291 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11292 (vect_pattern_recog_1): New functions.
11293 (vect_pattern_recog_funcs): New array of function pointers.
11295 * tree-vectorizer.h (ternary_op): New enum value.
11296 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11297 declaration. Revised documentation. Removed redundant dump prints.
11298 Removed redundant argument. Added support for reduction patterns.
11299 (vectorizable_reduction): Added support for reduction patterns.
11300 (vect_transform_stmt): Added support for patterns.
11302 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11303 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11304 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11305 (expand_widen_pattern_expr): New function.
11306 (init_optabs): Initialize new optabs udot_prod_optab,
11308 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11309 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11310 (expand_widen_pattern_expr): New function declaration.
11311 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11313 * tree-inline.c (estimate_num_insns_1): Added cases for new
11314 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11315 * tree-pretty-print.c (dump_generic_node): Likewise.
11316 (op_prio): Likewise.
11317 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11318 * tree-ssa-operands.c (get_expr_operands): Added case for
11320 * tree-vect-patterns.c (widened_name_p): New function.
11321 (vect_recog_dot_prod_pattern): Added function implementation.
11322 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11323 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11324 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11325 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11327 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11328 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11329 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11330 (init_optabs): Initialize new optabs widen_ssum_optab,
11332 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11333 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11334 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11335 use instead of type of def.
11336 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11337 function implementation.
11338 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11339 widen_ssumv8hi): New.
11341 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11344 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11347 * c-decl.c (add_flexible_array_elts_to_size): New function.
11348 (finish_decl): Use it.
11350 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11352 * diagnostic.h: Include options.h.
11353 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11354 dependancies for diagnostic.h.
11355 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11357 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11359 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11360 (ssa_ro_call_cache_valid): Ditto.
11361 * tree-ssa-alias.c (sort_tags_by_id): New function.
11362 (init_transitive_clobber_worklist): Ditto.
11363 (add_to_worklist): Ditto.
11364 (mark_aliases_call_clobbered): Ditto.
11365 (compute_tag_properties): Ditto.
11366 (set_initial_properties): Ditto.
11367 (compute_call_clobbered): Ditto.
11368 (compute_may_aliases): Call compute_call_clobbered and grouping.
11369 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11370 (compute_flow_insensitive_aliasing): Grouping now happens in our
11372 (setup_pointers_and_addressables): Remove clobbering related code.
11373 (add_may_alias): Ditto.
11374 (replace_may_alias): Ditto.
11375 (get_nmt_for): Ditto.
11376 (create_global_var):
11377 (is_escape_site): Return an escape_type enumeration.
11378 * tree-flow-inline.h (is_call_clobbered): Global var does not
11379 imply call clobbered.
11380 (mark_call_clobbered): Take a reason for marking this. Remove
11381 marking of globalness, and cache invalidation.
11382 (clear_call_clobbered): Remove cache invalidation code.
11383 * tree-dfa.c (dump_variable): If details is on, dump the reason
11385 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11387 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11388 (struct var_ann_d): Ditto.
11389 (enum escape_type): New.
11390 (mark_call_clobbered): Adjust prototype.
11391 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11392 are never call clobbered.
11393 Record reasons for escaping.
11394 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11395 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11396 (ssa_ro_call_cache_valid): Ditto.
11397 (clobbered_v_may_defs): Ditto.
11398 (clobbered_vuses): Ditto.
11399 (ro_call_vuses): Ditto.
11400 (clobber_stats): New.
11401 (init_ssa_operands): Zero out clobber stats.
11402 (fini_ssa_operands): Print out clobber stats.
11403 (get_call_expr_operands): Pass callee fndecl to
11404 add_call_read_ops).
11405 (add_call_clobber_ops): Remove use of cache.
11406 Add use of PURE_CONST information.
11407 (add_call_read_ops): Remove use of cache.
11408 Add use of static not_read information.
11410 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11412 Introduce TLS descriptors for i386 and x86_64.
11413 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11414 (TARGET_ANY_GNU_TLS): New macro.
11415 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11416 (struct machine_function): Add tls_descriptor_call_expanded_p.
11417 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11418 (ix86_current_function_calls_tls_descriptor): Likewise.
11419 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11420 (override_options): Introduce gnu2 tls dialect.
11421 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11423 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11425 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11426 (ix86_init_machine_status): Initialize new field.
11427 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11428 (ix86_tls_module_base): New.
11429 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11430 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11431 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11432 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11433 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11434 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11435 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11436 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11437 * config/i386/predicates.md (tls_modbase_operand): New.
11438 (tp_or_register_operand): New.
11440 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11442 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11443 (look_for_address_of): Ditto.
11444 (ipa_init): Walk the function decls.
11445 (static_execute): Don't set readonly on FUNCTION_DECL's.
11447 2006-01-18 Roger Sayle <roger@eyesopen.com>
11449 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11450 for shifts where the source and destination registers are different.
11452 2006-01-18 Paul Brook <paul@codesourcery.com>
11454 Merge from csl-arm-branch.
11455 2005-03-14 Julian Brown <julian@codesourcery.com>
11456 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11457 (aeabi_llsl): Likewise.
11458 (ashrdi3): Likewise.
11459 (aeabi_lasr): Likewise.
11460 (lshrdi3): Likewise.
11461 (aeabi_llsr): Likewise.
11462 2005-03-10 Julian Brown <julian@codesourcery.com>
11463 * config.gcc: Disable shared libgcc for SymbianOS.
11464 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11466 2006-01-18 DJ Delorie <dj@redhat.com>
11468 * c-pragma.c (handle_pragma_diagnostic): New.
11469 (init_pragma): Register it.
11470 * doc/extend.texi: Document it.
11472 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11473 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11474 (diagnostic_context): Add classify_diagnostic[].
11475 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11476 as errors if they're overridden to DK_WARNING.
11477 (diagnostic_initialize): Initialize classify_diagnostic[].
11478 (diagnostic_set_kind_override): New.
11479 (diagnostic_report_diagnostic): Check for kind changes.
11480 * opts.c (common_handle_option): Take lang_mask. Update callers.
11481 Handle OPT_Werror_.
11482 * common.opt (Werror=): New.
11483 * doc/invoke.texi: Document -Werror=*
11485 2006-01-18 Jeff Law <law@redhat.com>
11487 * tree-vrp.c (test_for_singularity): Correct test for new
11488 min limit. Use operand_equal_p rather than pointer equality
11489 for testing if new min/max values are equal.
11491 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11492 using range information until after propagation and folding.
11494 2006-01-18 Richard Henderson <rth@redhat.com>
11495 Aldy Hernandez <aldyh@redhat.com>
11496 Jakub Jelinek <jakub@redhat.com>
11497 Diego Novillo <dnovillo@redhat.com>
11499 * omp-low.c: New file.
11500 * c-omp.c: New file.
11502 2006-01-18 Richard Henderson <rth@redhat.com>
11503 Jakub Jelinek <jakub@redhat.com>
11504 Diego Novillo <dnovillo@redhat.com>
11506 * doc/invoke.texi: Document -fopenmp.
11507 * tree-dump.h (debug_function): Declare.
11508 * hooks.c (hook_bool_tree_bool_false): New function.
11509 (hook_tree_tree_null): Remove.
11510 (hook_tree_tree_tree_null): New.
11511 * hooks.h: Update to match.
11512 * tree-pretty-print.c (debug_tree_chain): New.
11513 (print_generic_expr): Handle TDF_CHAIN.
11514 (dump_generic_node): Handle BLOCK.
11515 Do not abort with incomplete SWITCH_EXPRs.
11516 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11517 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11518 print space after directive name.
11519 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11520 Handle OMP_MASTER and OMP_ORDERED.
11521 Handle printing of OMP_BODY just in one place, goto
11522 dump_omp_body in the rest of OMP_* nodes that have
11524 Don't handle clause nodes here. Update omp statements to
11525 use dump_omp_clauses.
11526 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11527 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11528 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11529 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11530 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11531 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11532 Adjust output for GOMP_PARALLEL.
11533 (dump_omp_clauses): New.
11534 (print_declaration): Dump DECL_VALUE_EXPR.
11535 (op_symbol_1): Split out of op_symbol.
11536 (dumping_stmts): Remove. Update all users.
11537 * cgraph.c (cgraph_analyze_queue): New.
11538 (cgraph_add_new_function): New.
11539 * cgraph.h (cgraph_analyze_queue): Declare.
11540 (cgraph_add_new_function): Declare.
11541 (cgraph_lower_function): Remove.
11542 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11543 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11544 and TYPE_P nodes in its default clause.
11545 (empty_body_p): New.
11546 (tree_range_check_failed): New.
11547 (build5_stat): New.
11548 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11549 OMP_CLAUSE_REDUCTION_MERGE,
11550 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11551 OMP_CLAUSE_PRIVATE_DEBUG,
11552 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11553 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11554 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11555 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11556 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11557 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11558 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11559 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11560 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11561 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11562 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11563 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11564 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11565 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11566 (TREE_RANGE_CHECK): New.
11567 (empty_body_p): Declare.
11568 (enum omp_clause_default_kind): New.
11569 (build_string_literal): Declare.
11570 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11571 (build5_stat, build5): Declare.
11572 * tree-pass.h (TDF_CHAIN): Define.
11573 * tree-pass.h (PROP_gimple_lomp): Define.
11574 (pass_lower_omp): Declare.
11575 * diagnostic.h (debug_tree_chain): Declare.
11576 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11578 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11579 * builtins.c (build_string_literal): Make extern.
11580 * gcc.c (include_spec_function): New.
11581 (static_spec_functions): Add it.
11582 (main): Move load of libgomp.spec ...
11583 (LINK_COMMAND_SPEC): ... here.
11584 (link_gomp_spec): New.
11585 (static_specs): Include it.
11586 (LINK_COMMAND_SPEC): Add link_gomp.
11587 (GOMP_SELF_SPECS): New.
11588 (driver_self_specs): Include it.
11589 (switch_matches): Don't mark inline.
11590 (main): Load libgomp.spec.
11591 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11592 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11593 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11594 * tree-gimple.h (enum omp_parallel): Declare.
11595 (determine_parallel_type): Declare.
11596 (omp_firstprivatize_variable): Declare.
11597 (omp_reduction_init): Declare.
11598 (diagnose_omp_structured_block_errors): Declare.
11599 (struct walk_stmt_info): Add want_return_expr.
11600 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11601 (find_omp_clause): Declare.
11602 (insert_field_into_struct): Declare.
11603 (struct walk_stmt_info): Move from tree-nested.c
11604 (walk_stmts): Declare.
11605 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11607 * cgraphunit.c (cgraph_lower_function): Make static.
11608 (cgraph_finalize_pending_functions): New.
11609 (cgraph_finalize_function): Call it.
11610 (cgraph_finalize_compilation_unit): Likewise.
11611 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11612 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11613 (BT_FN_UINT_UINT): New.
11614 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11615 DEF_FUNCTION_TYPE_VAR_4): Document.
11616 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11617 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11618 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11619 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11620 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11621 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11622 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11623 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11624 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11625 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11626 into separate files.
11627 (DEF_GOMP_BUILTIN): New.
11628 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11629 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11630 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11631 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11632 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11633 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11634 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11635 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11636 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11637 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11638 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11639 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11640 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11641 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11642 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11643 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11644 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11645 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11646 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11647 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11648 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11649 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11650 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11651 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11652 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11653 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11654 * sync-builtins.def: New file, moved from builtins.def.
11655 * omp-builtins.def: New file, moved from builtins.def.
11656 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11657 * gimple-low.c (lower_function_body): Clear data.
11658 (lower_stmt): Do not handle COMPOUND_EXPR.
11659 Remove call to print_node_brief.
11660 * c-tree.h (c_finish_omp_clauses): New prototype.
11661 (C_DECL_THREADPRIVATE_P): Define.
11662 (lookup_name_no_remap, c_omp_remap_private): Remove
11663 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11664 (check_for_loop_decls): Update decl.
11665 (lookup_name_no_remap, c_omp_remap_private): Declare.
11666 (build_indirect_ref, build_modify_expr, pushdecl,
11667 pushdecl_top_level): Move to c-common.h.
11668 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11669 before the switch, but just in the 2 places that need it.
11670 * c-decl.c (diagnose_mismatched_decls): Do not check for
11671 mismatched thread-local attributes when OLDDECL is marked
11672 threadprivate and NEWDECL has no thread-local attributes.
11673 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11674 (c_gimple_diagnostics_recursively): Rename from
11675 c_warn_unused_result_recursively. Invoke
11676 diagnose_omp_structured_block_errors.
11677 (check_for_loop_decls): Return a singular decl found.
11678 * langhooks.c (lhd_omp_predetermined_sharing): Return
11679 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11680 (lhd_omp_firstprivatize_type_sizes): New.
11681 (lhd_omp_assignment): New.
11682 (lhd_omp_predetermined_sharing): New.
11683 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11684 (struct lang_hooks_for_types): Add
11685 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11686 omp_predetermined_sharing, omp_disregard_value_expr,
11687 omp_private_debug_clause, omp_clause_default_ctor,
11688 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11689 (c_finish_omp_clauses): New.
11690 (c_finish_bc_stmt): Diagnose break within omp for.
11691 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11692 (build_unary_op): Return error_mark after reporting
11694 (build_modify_expr): Likewise.
11695 * gimplify.c: Include optabs.h and pointer-set.h.
11696 (enum gimplify_omp_var_data): Declare.
11697 (struct gimplify_omp_ctx): Declare.
11698 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11700 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11701 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11702 (splay_tree_compare_decl_uid): New.
11703 (new_omp_context): New.
11704 (delete_omp_context): New.
11705 (gimple_add_tmp_var): Call omp_add_variable.
11706 (gimplify_bind_expr): Likewise.
11707 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11708 true, disregard DECL_VALUE_EXPR on the decl if any.
11709 (gimplify_expr_in_ctx): New.
11710 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11711 omp_add_variable, omp_notice_variable, omp_is_private
11712 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11713 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11714 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11715 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11716 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11717 gimplify_omp_atomic): New.
11718 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11719 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11720 OMP_CRITICAL and OMP_ATOMIC.
11721 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11722 * c-pragma.h (enum pragma_kind): Add
11723 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11724 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11725 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11726 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11727 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11728 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11729 PRAGMA_OMP_THREADPRIVATE.
11730 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11731 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11732 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11733 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11734 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11735 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11736 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11737 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11738 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11739 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11740 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11741 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11742 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11744 (struct nesting_info): Add field_map,
11745 suppress_expansion, debug_var_chain.
11746 (create_nesting_tree): Initialize them.
11747 (lookup_field_for_decl): Use field_map.
11748 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11749 (convert_local_omp_clauses): New.
11750 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11751 (walk_body): Split out of walk_function.
11752 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11753 (convert_nonlocal_reference): Handle omp statements.
11754 (convert_local_reference): Likewise.
11755 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11756 (unnest_nesting_tree): New.
11757 (lower_nested_functions): Call it.
11758 (insert_field_into_struct): Make extern.
11759 (struct walk_stmt_info): Move to tree-gimple.h.
11760 (walk_stmts): Make extern.
11761 * omp-builtins.def: New file.
11762 * tree-iterator.c (expr_only): Clarify comment.
11763 * c-common.h (pushdecl_top_level, pushdecl,
11764 build_modify_expr, build_indirect_ref,
11765 c_finish_omp_master, c_finish_omp_critical,
11766 c_finish_omp_ordered, c_finish_omp_barrier,
11767 c_finish_omp_atomic, c_finish_omp_flush,
11768 c_finish_omp_for, c_split_parallel_clauses,
11769 omp_clause_default_kind, c_omp_sharing_predetermined,
11770 c_omp_remap_decl): Declare.
11771 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11772 (OBJS-common): Add omp-low.o.
11773 (c-omp.o, omp-low.o): Add.
11774 (gimplify.o): Add dependency on $(OPTABS_H).
11775 (GTFILES): Add omp-low.c.
11776 (gt-stringpool.h): Add.
11777 * tree-cfg.c (set_bb_for_stmt): Do not update the
11778 block-to-labels map if we are currently expanding to RTL.
11779 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11781 Handle IDENTIFIER_NODE.
11782 (tree_verify_flow_info): Do not ICE when emitting error
11783 messages about invalid labels.
11784 (dump_function_to_file): Reset CFUN before emitting the body
11786 (debug_function): New.
11787 * passes.c (init_optimization_passes): Schedule
11789 * langhooks-def.h (lhd_omp_predetermined_sharing,
11790 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11792 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11793 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11794 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11795 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11796 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11797 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11798 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11799 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11800 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11801 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11802 (LANG_HOOK_DECLS): Use them.
11804 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11805 Richard Henderson <rth@redhat.com>
11806 Jakub Jelinek <jakub@redhat.com>
11807 Diego Novillo <dnovillo@redhat.com>
11809 * c-parser.c (pragma_omp_clause): Define.
11810 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11811 (c_parser_compound_statement): Likewise.
11812 (c_parser_statement): Likewise.
11813 (c_parser_pragma): Handle omp pragmas.
11814 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11815 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11816 (c_parser_omp_clause_name, check_no_duplicate_clause,
11817 c_parser_omp_variable_list,
11818 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11819 c_parser_omp_clause_copyprivate,
11820 c_parser_omp_clause_default,
11821 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11822 c_parser_omp_clause_lastprivate,
11823 c_parser_omp_clause_nowait,
11824 c_parser_omp_clause_num_threads,
11825 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11826 c_parser_omp_clause_reduction,
11827 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11828 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11829 c_parser_omp_atomic, c_parser_omp_barrier,
11830 c_parser_omp_critical, c_parser_omp_flush,
11831 c_parser_omp_for_loop, c_parser_omp_for,
11832 c_parser_omp_master, c_parser_omp_ordered,
11833 c_parser_omp_sections_scope, c_parser_omp_sections,
11834 c_parser_omp_parallel, c_parser_omp_single,
11835 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11836 * c-pragma.c (init_pragma): Do omp pragma registration here.
11837 * c.opt (fopenmp): New flag.
11839 2006-01-18 Eric Christopher <echristo@apple.com>
11841 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11842 * config/darwin.h (GOMP_SELF_SPECS): Define.
11844 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11846 * rtl.h: Remove the prototype for reg_alloc.
11848 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11851 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11852 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11853 sjlj and dwarf2 exception handling.
11854 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11855 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11856 * pa/pa.c (function_value): Treat complex and vector types as
11858 (function_arg): Likewise. Only pass scalar floats in the floating
11859 point argument registers.
11860 * pa/t-slibgcc-dwarf-ver: New file.
11861 * pa/t-slibgcc-sjlj-ver: New file.
11862 * pa/t-slibgcc-elf-ver: Delete file.
11864 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11866 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11867 unlikely_test_section_p test.
11869 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11871 * mode-switching.c (optimize_mode_switching): Make it static.
11872 * basic-block.h: Remove the prototype for
11873 optimize_mode_switching.
11875 * modulo-sched.c (sms_schedule): Make it static.
11876 * rtl.h: Remove the prototype for sms_schedule.
11878 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11879 * rtl.h: Remove the prototype for gcse_after_reload_main.
11881 * reg-stack.c (reg_to_stack): Make it static.
11882 * rtl.h: Remove the prototype for reg_to_stack.
11884 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11886 * rtl.h: Remove the prototypes for regrename_optimize and
11887 copyprop_hardreg_forward.
11889 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11891 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11892 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11893 Test against the appropriate null constant for the mode.
11894 If 'fixup_overlap' is true, swap the operands if they overlap.
11895 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11896 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11897 alpha_split_tmode_pair and adjust for above change.
11898 * config/alpha/alpha.md (movtf_internal): Adjust call to
11899 alpha_split_tfmode_pair and rely on it to swap the operands.
11900 (movti_internal): New insn and post-reload splitter.
11901 (movti): New expander.
11903 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11905 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11908 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11910 * rtlanal.c (global_reg_mentioned_p_1,
11911 global_reg_mentioned_p): Remove.
11912 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11914 * flow.c (initialize_uninitialized_subregs): Make it static.
11915 * rtl.h: Remove the prototype for
11916 initialize_uninitialized_subregs.
11918 * function.c (instantiate_virtual_regs): Make it static.
11919 * function.h: Remove the prototype for
11920 instantiate_virtual_regs.
11922 * regmove.c (regmove_optimize, combine_stack_adjustments):
11924 * rtl.h: Remove the prototypes for regmove_optimize and
11925 combine_stack_adjustments.
11927 2006-01-17 Roger Sayle <roger@eyesopen.com>
11929 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11930 (size_cost): Encode costs in bytes so that a reg-reg addition is
11931 equivalent to COSTS_N_INSNS(1).
11932 (override_options): Use the size_cost.branch_cost as the default
11933 ix86_branch_cost when optimizing for size.
11935 2006-01-18 Ben Elliston <bje@au.ibm.com>
11937 * Makefile.in (D32PBIT_FUNCS): New.
11938 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11939 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11940 D64PBIT_FUNCS and D128PBIT_FUNCS.
11941 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11942 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11944 (decnumber_dep): Define.
11945 * doc/libgcc.texi (Decimal float library routines): New node.
11946 * config/dfp-bit.h, config/dfp-bit.c: New files.
11948 2006-01-18 Ben Elliston <bje@au.ibm.com>
11950 * expr.c (emit_move_change_mode): Always adjust addresses, not
11951 just during reload. Copy replacements only during reload.
11952 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11953 emit_move_via_integer.
11955 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11957 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11958 instead of $(srcdir) and ${srcdir}.
11960 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11963 PR middle-end/11135
11964 * arm.h (struct machine_function): Add pic_reg.
11965 * arm.c (arm_pic_register): Make unsigned.
11966 (arm_override_options): Only set arm_pic_register if
11967 TARGET_SINGLE_PIC_BASE.
11968 (use_return_insn): Only test for a pic register if it is fixed.
11969 (arm_compute_save_reg0_reg12_mask): Likewise.
11970 (thumb_compute_save_reg_mask): Likewise.
11971 (legitimate_pic_operand): Factor out some known invariants.
11972 (legitimize_pic_address): If we don't have a fixed pic register,
11973 then set up a pseudo in the function entry sequence. Handle the
11974 pic base being in a pseudo.
11975 (arm_load_pic_register): Handle the pic register being in a pseudo.
11976 (arm_expand_prologue): Only set up the pic register if it is fixed.
11977 (thumb_expand_prologue): Likewise.
11978 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11979 (pic_load_addr_based_insn): Likewise.
11980 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11983 2006-01-18 Ben Elliston <bje@au.ibm.com>
11985 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11986 decimal float modes for all floating point registers.
11988 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11989 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11991 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11994 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11995 even when the pointer is not NULL.
11997 2006-01-16 Ian Lance Taylor <ian@airs.com>
11999 * common.opt (ftoplevel-reorder): New option.
12000 * cgraph.c (cgraph_asm_nodes): New global variable.
12001 (cgraph_asm_last_node): New static variable.
12002 (cgraph_order): New global variable.
12003 (cgraph_create_node): Set new order field.
12004 (cgraph_varpool_node): Likewise.
12005 (decide_is_variable_needed): Return true if not
12006 flag_toplevel_reorder.
12007 (cgraph_add_asm_node): New function.
12008 * cgraph.h (struct cgraph_node): Add order field.
12009 (struct cgraph_varpool_node): Add order field.
12010 (struct cgraph_asm_node): Define.
12011 (cgraph_asm_nodes, cgraph_order): Declare.
12012 (cgraph_add_asm_node): Declare.
12013 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12015 (cgraph_varpool_assemble_pending_decls): Call it.
12016 (cgraph_output_pending_asms): New static function.
12017 (cgraph_finalize_compilation_unit): Call it.
12018 (struct cgraph_order_sort): Define.
12019 (cgraph_output_in_order): New static function.
12020 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12021 !flag_toplevel_reorder case.
12022 * c-parser.c: Include "cgraph.h".
12023 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12025 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12026 than -fno-unit-at-a-time.
12027 * doc/invoke.texi (Option Summary): Mention
12028 -fno-toplevel-reorder.
12029 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12030 -funit-at-a-time documentation.
12032 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12033 Kazu Hirata <kazu@codesourcery.com>
12035 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12037 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12039 * Makefile.in (FUNCTION_H): New. Use it instead of
12040 function.h throughout the file.
12041 * function.h: Include tree.h.
12043 2006-01-17 Ben Elliston <bje@au.ibm.com>
12045 * recog.c: Separate some functions with whitespace.
12047 2006-01-16 Richard Henderson <rth@redhat.com>
12049 Merge from gomp branch:
12050 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12051 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12052 and rename from struct inline_data. Rename callee* to dst*;
12053 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12054 transform_new_cfg, transform_return_to_modify, and
12055 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12057 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12058 (copy_decl_for_dup): Remove.
12059 * tree-inline.c (struct inline_data): Move to header.
12060 (insert_decl_map): Export.
12061 (remap_decl): Update for member name changes. Use copy_decl hook.
12062 Allow for replacement to be a non-decl. Remove dead code.
12063 (remap_type_1): Check for existing mapping.
12064 (remap_type): Export.
12065 (remap_decls): Update for member name changes.
12066 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12067 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12068 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12069 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12070 (tree_function_versioning, build_duplicate_type): Likewise.
12071 (copy_body_r): Likewise. Export.
12072 (copy_decl_for_dup): Split into ...
12073 (copy_decl_for_dup_finish, copy_decl_to_var,
12074 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12075 (replace_ref_tree, inlining_p): Remove.
12077 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12079 * ifcvt.c (if_convert): Make it static.
12080 * rtl.h: Remove the prototype for if_convert.
12082 * local-alloc.c (local_alloc): Make it static.
12083 * rtl.h: Remove the prototype for local_alloc.
12085 * loop.c (loop_optimize): Make it static.
12086 * cfgloop.h: Remove the prototype for loop_optimize.
12089 2006-01-16 DJ Delorie <dj@redhat.com>
12091 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12094 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12096 * pa.md: Disparage copies between general and floating-point registers
12097 in 32-bit move patterns.
12099 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12102 * Makefile.in (check-%): Depend on site.exp instead of
12103 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12106 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12108 * global.c (global_alloc): Make it static.
12109 * rtl.h: Remove the prototype for global_alloc.
12111 2006-01-16 Richard Guenther <rguenther@suse.de>
12113 * tree-ssa-alias.c (struct used_part): Add write_only field.
12114 (get_or_create_used_part_for): Initialize it to true.
12115 (create_overlap_variables_for): Don't create structure variables
12116 for structures that only are written to.
12117 (find_used_portions): Handle MODIFY_EXPR to track whether a
12118 structure is only written to.
12120 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12122 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12124 * basic-block.h: Remove the prototype for
12125 partition_hot_cold_basic_blocks.
12127 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12129 * cppspec.c (lang_specific_spec_functions): Remove.
12130 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12131 * gcc.h (lang_specific_spec_functions): Remove.
12132 * gccspec.c (lang_specific_spec_functions): Remove.
12134 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12136 * combine.c (record_value_for_reg): Invalidate registers
12138 (record_dead_and_set_regs_1): Likewise, by passing them to
12139 record_value_for_reg.
12140 (record_dead_and_set_regs): Invalidate stores made by a
12141 call. We do not combine across a call, but we still
12142 relied on equivalences.
12144 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12146 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12147 vrp_int_const_binop returning non-constant nodes.
12149 2006-01-16 Paul Brook <paul@codesourcery.com>
12151 * config/m68k/m68k.c (output_move_const_into_data_reg):
12152 Output correct mnemonic for mvz and mvs.
12154 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12156 * rtl-factoring.c: Add sequence abstraction algorithm.
12157 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12158 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12160 (block_has_preserve_label): New function.
12161 * common.opt: Register new pass.
12162 * Makefile.in: Ditto.
12164 * timevar.def: Ditto.
12165 * tree-pass.h: Ditto.
12166 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12167 * rtl.h (make_jump_insn_raw): Add forward decl.
12168 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12170 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12171 Roger Sayle <roger@eyesopen.com>
12173 * fold-const.c (fold_minmax): New static function.
12174 (fold_binary) <MIN_EXPR>: Call it.
12175 <MAX_EXPR>: Likewise.
12176 * stor-layout.c (place_field): Use DECL_SIZE consistently
12177 in the computation of the new record size.
12179 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12181 * cse.c (cse_condition_code_reg): Make it static.
12182 * rtl.h: Remove the prototype for cse_condition_code_reg.
12184 * combine.c (combine_instructions): Make it static.
12185 * rtl.h: Remove the prototype for combine_instructions.
12187 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12190 * tree.c (get_file_function_name_long): Concatenate the first global
12191 object name with a string derived from the input filename of the object
12194 2006-01-16 Ben Elliston <bje@au.ibm.com>
12196 * config/i386/winnt-stubs.c: Update FSF address.
12197 * config/xtensa/ieee754-df.S: Ditto.
12198 * config/xtensa/ieee754-sf.S: Ditto.
12200 2006-01-14 Ian Lance Taylor <ian@airs.com>
12202 * ifcvt.c (noce_init_if_info): New static function, broken out of
12203 noce_process_if_block.
12204 (noce_process_if_block): Call noce_init_if_info.
12205 (check_cond_move_block): New static function.
12206 (cond_move_process_if_block): New static function.
12207 (process_if_block): Call cond_move_process_if_block.
12209 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12211 * cselib.c (hash_table): Rename to cselib_hash_table.
12212 (cselib_clear_table, discard_useless_values,
12213 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12214 cselib_init, cselib_finish): Adjust uses of hash_table.
12216 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12218 PR tree-optimization/25485
12219 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12220 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12221 is known to be false and true, respectively.
12223 2006-01-14 Richard Guenther <rguenther@suse.de>
12225 PR tree-optimization/22548
12226 PR tree-optimization/22555
12227 PR tree-optimization/22501
12228 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12229 * params.def (salias-max-array-elements): New parameter.
12230 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12231 * doc/invoke.texi (salias-max-array-elements): Document.
12232 * tree-flow-inline.h (var_can_have_subvars): We also handle
12234 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12236 * tree-ssa-structalias.c (params.h): Include.
12237 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12238 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12239 (get_constraint_for): For ADDR_EXPR operating on something
12240 containing an ARRAY_REF, add all subvars to the solution.
12241 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12242 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12243 for creating MUST_DEFs.
12244 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12246 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12248 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12250 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12251 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12252 number_of_iterations_le): New functions.
12253 (number_of_iterations_special): Removed.
12254 (number_of_iterations_exit): Do not use number_of_iterations_special.
12255 * tree.c (unsigned_type_for): Always return integer type.
12257 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12258 Richard Guenther <rguenther@suse.de>
12260 PR rtl-optimization/24257
12261 * gcse.c (find_moveable_store): Only consider a store movable
12262 when the SET_SRC of the insn can be assigned to a register.
12264 2006-01-14 Ian Lance Taylor <ian@airs.com>
12266 * tree.c (tree_not_class_check_failed): New function.
12267 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12268 (tree_not_class_check_failed): Declare.
12270 2006-01-13 Ian Lance Taylor <ian@airs.com>
12272 * reload1.c (do_output_reload): Add assertion rejecting a
12275 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12277 * combine.c (struct reg_stat): Add new fields truncation_label and
12279 (record_value_for_reg): Reset truncated_to_mode.
12280 (record_truncated_value): New function.
12281 (check_promoted_subreg): Call it. Rename to check_conversions.
12282 (combine_instructions): Rename check_promoted_subreg to
12284 (reg_truncated_to_mode): New function.
12285 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12286 (gen_lowpart_or_truncate): New function.
12287 (force_to_mode): Use it instead of gen_lowpart.
12289 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12291 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12292 VAR is a tag, not its type tag.
12294 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12296 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12297 alternatives to match style of other entries.
12298 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12300 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12302 PR tree-optimization/25771
12303 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12306 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12309 * tree-inline.c (declare_return_variable): If the return variable
12310 was marked as a non gimple complex, set the return slot variable
12311 to be a non gimple comple variable.
12313 2006-01-13 Richard Guenther <rguenther@suse.de>
12315 * builtins.c (expand_builtin_sincos): New function.
12316 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12318 (expand_builtin): Expand sincos using expand_builtin_sincos.
12320 2006-01-12 DJ Delorie <dj@redhat.com>
12322 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12323 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12324 so that constant shifts can be split.
12325 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12326 (m32c_valid_pointer_mode): Make static.
12327 (shift_gen_func_for): New.
12328 (m32c_prepare_shift): Use it. Split large const shifts into
12330 * config/m32c/predicates.md (shiftcount_operand): Allow more
12332 (longshiftcount_operand): New.
12333 * doc/md.texi (Machine Constraints): Document In6.
12335 2006-01-13 Ben Elliston <bje@au.ibm.com>
12337 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12338 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12341 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12343 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12344 to try to avoid clobbering pieces of structures when we know
12345 something about the whole structure.
12346 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12348 2006-01-13 Ben Elliston <bje@au.ibm.com>
12350 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12351 return in memory, as this is no limitation is no longer present.
12353 2006-01-12 DJ Delorie <dj@redhat.com>
12355 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12356 mova with fb, and for fb+0 -> An.
12358 * config/m32c/mov.md (peephole2): Fix enabling logic.
12360 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12361 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12362 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12363 FINI_ARRAY_SECTION_ASM_OP): Define.
12365 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12367 (m32c_legitimize_reload_address): New logic to reload FB to An.
12368 (m32c_output_reg_push): Add newline.
12369 (m32c_output_reg_pop): Likewise.
12371 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12373 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12375 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12377 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12379 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12381 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12384 2006-01-11 Ben Elliston <bje@au.ibm.com>
12386 * rtlanal.c (find_reg_note): Assert insn is not null.
12388 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12390 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12393 2006-01-11 Jeff Law <law@redhat.com>
12395 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12397 (mark_threaded_blocks, register_jump_thread): New functions.
12398 (thread_through_all_blocks): Remove unwanted argument. No
12399 longer rely on e->aux to communicate thread target info.
12400 Call mark_threaded_blocks. Release the threaded_blocks
12401 bitmap and threaded_edges vector when complete.
12402 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12403 (threaded_blocks): Remove.
12404 (tree_ssa_dominator_optimize): Remove initialization and
12405 finalization of threaded_blocks. Simplify call to
12406 thread_through_all_blocks.
12407 (thread_across_edge): Call register_jump_thread rather than
12408 storing thread information into e->aux.
12409 (free_all_edge_infos): Simplify now that e->aux is no longer
12410 used to communicate with thread_through_all_blocks.
12411 * tree-flow.h (thread_through_all_blocks): Update prototype.
12412 (register_jump_thread): Prototype.
12414 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12416 * df-core.c (df_compact_blocks, df_bb_replace): Use
12417 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12419 2006-01-11 Richard Guenther <rguenther@suse.de>
12421 PR tree-optimization/25734
12422 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12423 stop propagation after successful propagation to the LHS.
12425 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12427 * basic-block.h (control_flow_graph): Change the type of
12428 x_basic_block_info to VEC(basic_block,gc) *.
12429 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12431 (SET_BASIC_BLOCK): New.
12432 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12433 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12434 * cfgbuild.c (find_basic_blocks): Likewise.
12435 * cfglayout.c (fixup_reorder_chain): Likewise.
12436 * cfgrtl.c (create_basic_block_structure,
12437 rtl_create_basic_block): Likewise.
12438 * ifcvt.c (find_if_case_1): Likewise.
12439 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12442 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12444 * Makefile.in: Removed rotted odf.c entry.
12446 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12449 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12450 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12451 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12452 output pattern modifier, not %e.
12453 * config/cris/cris.c (cris_op_str): Update comment about pattern
12455 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12456 before falling through into...
12457 <case 'E'>: Redefined from old 'e' case.
12459 2006-01-11 Jan Hubicka <jh@suse.cz>
12462 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12464 2006-01-11 Jan Hubicka <jh@suse.cz>
12466 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12467 * i386.c (x86_decompose_lea): Kill.
12468 (ix86_rtx_costs): Kill.
12470 2006-01-11 Jan Hubicka <jh@suse.cz>
12472 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12473 * cgraph.h (cgraph_node): Add inline_decl.
12474 (cgraph_insert_node_to_hashtable): Declare.
12475 (save_inline_function_body): Declare.
12476 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12478 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12479 (cgraph_function_versioning): Update call of tree_function_versioning.
12480 (save_inline_function_body): New function.
12481 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12482 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12483 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12484 (cgraph_default_inline_p): Likewise.
12485 (cgraph_decide_inlining_incrementally): Likewise.
12486 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12487 (copy_bb): Kill saving; do updating of clones.
12488 (copy_cfg_body): Kill saving.
12489 (initialize_inlined-parameters): Likewise.
12490 (expand_call_inline): Likewise.
12492 (tree_function_versioning): New parameter "update_clones".
12493 (inlining_p): Kill saving.
12494 * tree-inline.h (tree_function_versioning): Update prototype.
12495 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12498 2006-01-11 Ian Lance Taylor <ian@airs.com>
12500 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12501 Allow undoing set of machine mode.
12502 (do_SUBST): Use enums instead of is_int.
12503 (do_SUBST_MODE): New function.
12504 (SUBST_MODE): New macro.
12505 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12506 reg and trying to replace reg_regno_rtx with a new register.
12507 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12508 (simplify_set): Use SUBST_MODE.
12509 (distribute_notes): Remove code that tried to update reg notes
12510 for regno_reg_rtx changes.
12512 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12514 PR tree-optimization/23109
12515 PR tree-optimization/23948
12516 PR tree-optimization/24123
12518 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12519 * tree-cfg.c (single_noncomplex_succ): New.
12520 * tree-flow.h (single_noncomplex_succ): Declare it.
12521 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12522 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12523 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12524 insert_bb, register_division_in, insert_reciprocals,
12525 replace_reciprocal, free_bb): New.
12526 (execute_cse_reciprocals_1): Rewritten.
12527 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12528 Do not commit any edge insertion. Always compute dominators and
12529 create the allocation pool.
12530 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12531 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12532 * targhooks.c (default_min_divistions_for_recip_mul): New.
12533 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12534 * passes.c (init_optimization_passes): Run recip after tree loop
12536 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12538 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12539 Kenneth Zadeck <zadeck@naturalbridge.com>
12541 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12542 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12543 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12544 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12545 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12546 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12547 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12548 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12549 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12550 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12551 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12552 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12553 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12554 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12555 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12556 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12557 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12558 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12559 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12560 DF_SCAN_POST_ALLOC): New macros.
12561 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12562 df_free_bb_function, df_local_compute_function, df_init_function,
12563 df_dataflow_function, df_confluence_function_0,
12564 df_confluence_function_n, df_transfer_function,
12565 df_finalizer_function, df_free_function, df_dump_problem_function,
12566 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12567 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12568 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12569 df_urec_bb_info, ) New types.
12570 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12572 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12573 df_analyze_simple_change_some_blocks,
12574 df_analyze_simple_change_one_block, df_compact_blocks,
12575 df_bb_replace, df_bb_regno_last_use_find,
12576 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12577 df_insn_regno_def_p, df_find_def, df_find_use,
12578 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12579 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12580 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12581 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12582 debug_df_chain, df_get_dependent_problem, df_chain_create,
12583 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12584 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12585 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12586 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12587 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12588 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12589 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12590 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12591 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12592 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12593 df_reorganize_refs, df_set_state, df_hard_reg_init,
12594 df_read_modify_subreg_p) New public functions.
12595 * df-core.c: The core dataflow solver and glue routines for rtl
12597 (df_init, df_add_problem, df_set_blocks, df_finish,
12598 df_hybrid_search_forward, df_hybrid_search_backward,
12599 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12600 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12601 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12602 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12603 df_reg_defined, df_find_use, df_reg_used, df_dump,
12604 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12605 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12606 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12607 debug_df_useno, reset_df_after_reload): New functions.
12608 * df-scan.c: The scanning fuctions, once in df.c, completely
12609 rewritten so that they now fully model the functionality of
12610 register usage at the backend.
12611 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12612 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12613 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12614 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12615 df_get_artificial_defs, df_get_artificial_uses,
12616 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12617 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12618 df_refs_delete, df_reorganize_refs, df_set_state,
12619 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12620 df_def_record_1, df_defs_record, df_uses_record,
12621 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12622 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12623 df_record_exit_block_uses, df_hard_reg_init): New functions.
12625 * df-problems.c: Seven concrete dataflow problems that use the
12626 scanning in df-scan.c and are solved by the engine in df-core.c.
12627 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12628 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12629 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12630 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12631 df_ru_free_bb_info, df_ru_alloc,
12632 df_ru_bb_local_compute_process_def,
12633 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12634 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12635 df_ru_transfer_function, df_ru_free, df_ru_dump,
12636 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12637 df_rd_free_bb_info, df_rd_alloc,
12638 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12639 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12640 df_rd_transfer_function, df_rd_free, df_rd_dump,
12641 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12642 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12643 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12644 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12645 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12646 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12647 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12648 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12649 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12650 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12651 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12652 df_urec_mark_reg_use_for_earlyclobber,
12653 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12654 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12655 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12656 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12657 df_chain_create_bb_process_use, df_chain_create_bb,
12658 df_chain_finalize, df_chain_free, df_chains_dump,
12659 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12660 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12661 df_reg_lifetime): New functions.
12662 * df.c: Deleted file.
12663 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12664 consistent with new df api.
12665 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12666 rest_of_handle_sms): Ditto.
12667 * web.c (unionfind_union, union_defs, entry_register, web_main):
12669 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12670 invariant_expr_equal_p, find_defs, check_dependencies,
12671 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12672 free_inv_motion_data, move_loop_invariants): Ditto.
12673 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12674 Update dependencies.
12675 (odf.c): Added defective entry that was deleted later in day.
12676 * sched-deps.c (sched_analyze_1): Ditto.
12678 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12680 * tree-ssa-operands.c (get_expr_operands): Record addressable
12681 variables directly. Do not call add_stmt_operands for CONST_DECLs
12683 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12684 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12686 2006-01-11 Ben Elliston <bje@au.ibm.com>
12688 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12689 function returns true in the positive case.
12691 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12694 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12695 for SI, DI, SF and DF modes. Add alternatives to copy between
12696 general and floating point registers to the 32-bit patterns.
12697 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12698 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12699 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12700 generating 64-bit code.
12701 * config/pa/pa.c (output_move_double): Handle copies between general
12702 and floating registers.
12704 2006-01-10 Stuart Hastings <stuart@apple.com>
12706 * config/i386/i386.md (set_got): Update.
12707 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12708 (builtin_setjmp_receiver): Mach-O support.
12709 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12710 (GOT_SYMBOL_NAME): Define.
12711 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12712 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12713 * config/i386/i386.c (override_options): Revise for Darwin.
12714 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12715 support. (darwin_x86_file_end): New. (output_set_got): Add label
12716 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12717 * config/i386/i386-protos.h (output_set_got): Likewise.
12718 * config/darwin.c (machopic_legitimize_pic_address): Update
12721 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12723 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12724 when MODE isn't BLKmode.
12726 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12728 PR rtl-optimization/25367
12729 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12731 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12734 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12735 for a negative bound.
12737 2006-01-10 Richard Guenther <rguenther@suse.de>
12739 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12740 Never override with anything constraint.
12742 2006-01-10 Jan Beulich <jbeulich@novell.com>
12744 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12745 256 bits when optimize_size.
12747 2006-01-10 Jan Beulich <jbeulich@novell.com>
12749 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12751 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12752 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12755 2006-01-10 Ben Elliston <bje@au.ibm.com>
12757 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12759 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12760 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12761 (USE_FP_FOR_ARG): Reject decimal float modes.
12762 (function_arg_advance): Likewise.
12763 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12764 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12765 point types in AltiVec vectors.
12766 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12767 (rs6000_libcall_value): Likewise.
12769 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12771 * config/xtensa/ieee754-df.S: New file.
12772 * config/xtensa/ieee754-sf.S: New file.
12773 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12774 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12775 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12777 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12779 * config/sh/predicates.md (binary_float_operator,
12780 binary_logical_operator, commutative_float_operator,
12781 equality_comparison_operator, greater_comparison_operator,
12782 less_comparison_operator, logical_operator,
12783 noncommutative_float_operator, shift_operator,
12784 symbol_ref_operand, unary_float_operator): Remove redundant
12787 2006-01-09 Jeff Law <law@redhat.com>
12789 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12790 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12791 now unused arguments. Callers updated.
12792 (eliminate_redundant_computations): Remove now unused arguments,
12794 (local_fold): Remove, no longer used.
12795 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12797 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12798 (simplify_cond): New function.
12799 (forward_propagate_into_cond): Call simplify_cond.
12801 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12803 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12804 (*vec_extractv2di_1_sse): New.
12806 2006-01-09 Ben Elliston <bje@au.ibm.com>
12808 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12810 2006-01-08 Richard Guenther <rguenther@suse.de>
12812 * tree-ssa-structalias.c (get_constraint_for): Remove
12813 anyoffset argument.
12814 (get_constraint_for_component_ref): Likewise.
12815 (do_deref): Likewise.
12816 (get_constraint_for): Likewise.
12817 (do_structure_copy): Likewise.
12818 (handle_ptr_arith): Likewise.
12819 (find_func_aliases): Likewise. Remove unused need_anyoffset
12822 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12823 Kaz Kojima <kkojima@gcc.gnu.org>
12825 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12826 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12827 (EXTRA_CONSTRAINT_C16): Remove.
12828 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12829 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12830 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12831 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12832 constants of SHmedia. Handle nested constant expressions of
12834 (andcosts): Fix the costs for SHmedia constants.
12835 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12836 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12837 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12838 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12839 (movv4hi_i, movv2si_i): Likewise.
12840 (movsi_const): Adjust the second operand of ior so to match with
12841 the Csu constraint.
12842 (movdi_const, movdi_const_32bit): Likewise.
12843 (movdi_const_16bit+1): Don't sign-extend LOW.
12844 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12846 (*double_shori): Fix the split condition. Use GEN_INT instead
12847 of get_int_mode calls. Mask lower 16-bit of the argument of
12849 (sym2GOTPLT): Remove.
12850 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12852 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12853 instead of EXTRA_CONSTRAINT_C16.
12855 2006-01-07 Ian Lance Taylor <ian@airs.com>
12856 David Edelsohn <edelsohn@gnu.org>
12858 PR rtl-optimization/25662
12859 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12860 for constant operands instead of simplify_gen_binary.
12861 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12862 after trying simplify_binary_operation
12864 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12866 * tree.c (iterative_hash_expr): Hash decls based on UID.
12868 2006-01-06 Eric Christopher <echristo@apple.com>
12870 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12871 (TARGET_UNWIND_EMIT): Fix spelling.
12872 * target.h (gcc_target): Add except_table_label.
12873 * except.c (output_function_exception_table): Use.
12874 * varasm.c (default_emit_except_table_label): New.
12875 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12877 (asm_out): Add here.
12878 * output.h (default_emit_except_table_label): Prototype.
12879 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12880 * config/darwin.c (darwin_emit_except_table_label): Define.
12881 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12883 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12885 PR tree-optimization/18527
12886 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12887 number_of_iterations_special, number_of_iterations_exit):
12888 Move base and step of an iv to a single structure. Add
12889 no_overflow flag, and use it in # of iterations analysis.
12890 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12891 folded_casts argument.
12892 (simple_iv): Pass base and step in a structure. Set no_overflow
12894 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12895 Evaluate expensiveness of computing # of iterations instead of
12896 the final expression.
12897 * tree-scalar-evolution.h (affine_iv): New structure.
12898 (simple_iv): Declaration changed.
12899 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12900 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12901 find_givs_in_stmt): Changed due to simple_iv change.
12903 2006-01-06 Jeff Law <law@redhat.com>
12906 * tree-cfg.c (bsi_replace): Rename final argument from
12907 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12908 change (stmt -> orig_stmt).
12909 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12910 (bsi_remove): Add new argument. Remove EH information
12912 (verify_eh_throw_table_statements): New function.
12913 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12915 * tree-optimize.c (execute_free_cfg_annotations): Verify
12916 the EH throw statement table after removing annotations.
12917 * except.h (verify_eh_throw_table_statements): Prototype.
12918 * tree-flow.h (bsi_remove): Update prototype.
12919 * tree-vrp.c (remove_range_assertions): Add new argument to
12921 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12922 * tree-complex.c (expand_complex_div_wide): Likewise.
12923 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12924 * tree-tailcall.c (eliminate_tailcall): Likewise.
12925 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12926 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12927 * tree-nrv.c (tree_nrv): Likewise.
12928 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12929 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12930 (combine_blocks): Likewise.
12931 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12932 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12933 (cleanup_control_flow): Likewise.
12934 (remove_forwarder_block): Likewise.
12935 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12936 * tree-sra.c (sra_replace): Likewise.
12937 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12938 (forward_propagate_single_use_vars): Likewise.
12939 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12940 * tree-inline.c (expand_call_inline): Likewise.
12941 * tree-vect-transform.c (vect_transform_loop): Likewise.
12942 * tree-outof-ssa.c (rewrite_trees): Likewise.
12943 * tree-cfg.c (make_goto_expr_edges): Likewise.
12944 (cleanup_dead_labels): Likewise.
12945 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12946 (bsi_move_before, bsi_move_after): Likewise.
12947 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12948 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12950 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12953 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12955 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12956 on non gimple variables. Also add checks at the top for decls and
12958 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12960 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12961 and IMAGPART_EXPR for creating MUST_DEFs.
12962 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12963 and NAME_MEMORY_TAG separately from the DECLs.
12965 2006-01-06 Richard Guenther <rguenther@suse.de>
12967 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12968 annotation, if necessary.
12969 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12970 redundant calls to update_stmt.
12971 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12974 2006-01-05 Richard Henderson <rth@redhat.com>
12976 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12978 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12980 * c-typeck.c: Update copyright date.
12982 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12984 * c-typeck.c (build_c_cast): Always warn when casting
12985 from a pointer to an integer of different size, even if
12986 the node was constant.
12988 2006-01-05 Richard Guenther <rguenther@suse.de>
12990 PR tree-optimization/22555
12991 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12992 if one structure field is an array.
12993 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12994 operands even if we found a subvar, but ignore VOPs in this
12996 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12998 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13000 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13002 PR middle-end/24998
13003 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13005 2006-01-05 Richard Guenther <rguenther@suse.de>
13006 Diego Novillo <dnovillo@redhat.com>
13008 * tree-pass.h (TODO_remove_unused_locals): Define.
13009 * gimple-low.c (expand_var_p, remove_useless_vars,
13010 pass_remove_useless_vars): Remove. Update all users.
13011 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13012 (remove_unused_locals): New function.
13013 * tree-flow.h (remove_unused_locals): Declare.
13014 * passes.c (execute_todo): Call remove_unused_locals if
13015 TODO_remove_unused_locals is set.
13016 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13017 * tree-ssa-dce.c (pass_dce): Likewise.
13018 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13020 2006-01-05 Richard Guenther <rguenther@suse.de>
13022 * tree-flow.h (struct fieldoff): Decompose field to
13023 type, size and decl.
13024 * tree-ssa-alias.c (create_sft): Take type as parameter.
13025 (create_overlap_variables_for): Store type, size and decl
13026 in the fieldoff structure.
13027 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13028 of struct fieldoff.
13029 (push_fields_onto_fieldstack): Likewise.
13030 (create_variable_info_for): Likewise. Use offset for the
13031 SFT name if the decl is not available.
13033 2006-01-04 Paul Brook <paul@codesourcery.com>
13035 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13037 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13039 * lambda-code.c (can_put_in_inner_loop): Relax
13041 (can_put_after_inner_loop): New function.
13042 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13043 (perfect_nestify): Change to make copies and modify uses.
13045 2006-01-04 Richard Henderson <rth@redhat.com>
13047 Merge from gomp branch:
13048 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13049 via integer constant.
13050 (pragma_lex): Remove.
13051 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13052 rather than parsing it.
13053 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13054 handle_pragma_extern_prefix): Add %< %> quotes.
13055 (registered_pragmas): New.
13056 (c_register_pragma_1): New.
13057 (c_register_pragma): Use it.
13058 (c_register_pragma_with_expansion): Likewise.
13059 (c_invoke_pragma_handler): New.
13060 (init_pragma): Use cpp_register_deferred_pragma directly for
13062 * c-pragma.h (enum pragma_kind): New.
13063 (pragma_handler): New.
13064 (c_invoke_pragma_handler): Declare.
13065 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13067 * c-common.h (c_common_pch_pragma): Update decl.
13068 * Makefile.in (c-parser.o): Update dependencies.
13069 (GTFILES): Add c-pragma.h.
13070 * c-parser.c (struct c_token): Add pragma_kind.
13071 (struct c_parser): Add in_pragma.
13072 (c_lex_one_token): Always initialize keyword and pragma_kind.
13073 Extract data for CPP_PRAGMA.
13074 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13075 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13076 Don't allow CPP_PRAGMA_EOL if in_pragma.
13077 (c_parser_consume_pragma): New.
13078 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13079 (c_parser_skip_to_end_of_parameter): Likewise.
13080 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13081 (c_parser_skip_to_pragma_eol): New.
13082 (c_parser_external_declaration): Handle CPP_PRAGMA.
13083 (c_parser_compound_statement_nostart): Likewise.
13084 (c_parser_statement_after_labels): Likewise.
13085 (c_parser_pragma): New.
13086 (pragma_lex): Likewise.
13087 (c_parser_pragma_pch_preprocess): New.
13088 (c_parser_new): Merge into ...
13089 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13091 2006-01-04 Jeff Law <law@redhat.com>
13094 * tree-cfg.c (bsi_replace): Remove the original statement
13095 from the EH throw statement table.
13097 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13099 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13100 make the prototype extern "C" and add throw ().
13103 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13104 and pos non-negative and pos + len <= 32.
13105 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13106 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13107 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13110 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13111 as well as sizes not multiple of component size.
13114 * function.c (instantiate_expr): New function.
13115 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13116 walk its DECL_VALUE_EXPR with instantiate_expr.
13118 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13119 DW_OP_deref{,_size} if address isn't going to be added.
13121 2006-01-04 Ben Elliston <bje@au.ibm.com>
13123 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13124 * config/fp-bit.c: Likewise.
13126 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13128 * dominance.c: Add comment about why we use DFS numbering
13131 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13132 Richard Henderson <rth@redhat.com>
13134 Merge from gomp-branch:
13135 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13136 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13138 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13140 PR rtl-optimization/25578
13141 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13142 pass a parameter to simplify_shift_const if changing ASHIFTRT
13145 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13147 * builtins.c (get_builtin_sync_mem): New function.
13148 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13149 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13150 Call get_builtin_sync_mem to generate mem rtx.
13152 2006-01-03 Richard Guenther <rguenther@suse.de>
13155 * stmt.c (add_case_node): Make sure to clear overflow flags
13158 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13160 Merge from gomp-branch.
13161 * config/sparc/sync.md: New file.
13162 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13163 UNSPECV_LDSTUB): New constants.
13164 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13165 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13166 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13169 2006-01-03 Roger Sayle <roger@eyesopen.com>
13171 * combine.c (reg_subword_p): New predicate to test whether the
13172 destination of a set refers to a subword/piece of a register.
13173 (try_combine): Generalize the code to merge the setting of a
13174 pseudo to a constant followed by a set of a subword of that
13175 register to a constant.
13177 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13179 * basic-block.h (control_flow_graph): Change the type of
13180 x_label_to_block_map to VEC(basic_block,gc) *.
13181 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13182 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13184 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13185 VEC(basic_block,heap) *.
13186 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13187 ssa_prop_fini): Adjust the uses of cfg_blocks.
13189 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13191 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13193 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13194 hashing trees instead of a pointer hash.
13195 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13196 compare for MEM_EXPR.
13198 PR rtl-optimization/25130
13199 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13200 when comparing MEMs for GCSE
13202 2006-01-03 Ben Elliston <bje@au.ibm.com>
13204 * targhooks.h (default_decimal_float_supported_p): Declare.
13205 * targhooks.c (default_decimal_float_supported_p): Define.
13206 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13207 `default_decimal_float_supported_p'.
13208 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13210 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13212 * combine.c (apply_distributive_law <SUBREG>): Check
13213 TRULY_NOOP_TRUNCATION.
13215 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13217 * dwarf2out.c (have_switched_text_section): Delete.
13218 (have_multiple_function_sections): New.
13219 (have_location_lists): Make 'bool'.
13220 (add_AT_loc_list): Use 'true' not '1'.
13221 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13222 (output_loc_list): Use have_multiple_function_sections.
13223 (output_ranges): Likewise.
13224 (dwarf2out_begin_function): Set have_multiple_function_sections if
13226 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13227 Check function_section rather than DECL_SECTION_NAME.
13228 (dwarf2out_finish): Use have_multiple_function_sections.
13229 Don't clear have_location_lists.
13231 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13232 Jan Hubicka <jh@suse.cz>
13234 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13235 case of conditional jump jumping to the next instruction.
13236 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13237 cases of conditional jump jumping to the next instruction.
13239 2006-01-02 Jan Hubicka <jh@suse.cz>
13241 * i386.c (*_cost): Add COSTS_N_INSNS.
13242 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13244 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13247 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13249 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13251 * config/arm/arm.c (all_fpus): Fix comment typo.
13252 * config/darwin.c: Likewise.
13253 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13254 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13255 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13257 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13259 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13260 (rs6000_split_compare_and_swapqhi): New.
13261 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13262 (sync_compare_and_swapqhi_internal): New.
13263 * config/rs6000/rs6000-protos.h: Declare.