1 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3 * optabs.c (maybe_encapsulate_block): New function extracted from...
4 (emit_libcall_block): ...here. Invoke it on the block of insns to
5 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6 (emit_no_conflict_block): Likewise.
8 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
12 2006-07-15 Roger Sayle <roger@eyesopen.com>
14 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
15 a new NOP_EXPR case of the switch statement.
17 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
20 * stor-layout.c (place_field): Take the bit field with
21 an excessive size into account in the ms-bitfiled case.
24 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
25 the previous bit field.
27 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
30 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
32 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
34 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
35 signal frames correctly even when the signal was installed with
38 2006-07-14 Carlos O'Donell <carlos@codesourcery.com
40 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
41 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
42 (dbxout_source_line): Use local label LFBB.
43 (dbxout_block): Likewise.
44 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
45 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
46 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
49 2006-07-13 Janis Johnson <janis187@us.ibm.com>
51 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
53 2006-07-13 Jan Hubicka <jh@suse.cz>
55 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
57 * output.h (align_variable): Declare.
58 * varasm.c (align_variable): Export.
59 * value-prof.c (tree_value_profile_transformations): Recompute iterator
60 when basic block changed.
62 2006-07-13 Nick Clifton <nickc@redhat.com>
64 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
65 walking the LOG_LINKS chain.
67 2006-07-12 Geoffrey Keating <geoffk@apple.com>
69 * doc/invoke.texi (C++ Dialect Options): Explain difference
70 between -fvisibility-inlines-hidden and setting hidden
71 visibility explicitly.
73 2006-07-12 Eric Christopher <echristo@apple.com>
75 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
76 (stmp-lipo): Depend on libgcc.a.
78 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
80 * tree.c: Fix a comment typo.
82 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
84 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
86 (umulhisi3_r): Likewise.
88 2006-07-12 Paolo Carlini <pcarlini@suse.de>
91 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
92 x < 19, vs wchar_t support.
94 2006-07-12 Nick Clifton <nickc@redhat.com>
96 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
99 2006-07-12 Mike Stump <mrs@apple.com>
101 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
103 2006-07-10 Eric Christopher <echristo@apple.com>
105 * config/t-slibgcc-darwin: Rewrite.
107 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
110 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
113 2006-07-08 Matthias Klose <doko@debian.org>
115 * doc/sourcebuild.texi: Fix typo.
117 2006-07-07 Mike Stump <mrs@apple.com>
119 * toplev.c (process_options): Don't give -ffunction-sections may
120 affect debugging warning for Mach-O.
122 2006-07-07 James E Wilson <wilson@specifix.com>
124 * config/mips/mips.md (cpu): Add sb1a.
125 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
126 addition to sb1. Adjust comments to clarify SB-1A differences from
128 (ir_sb1a_load): New. Modify bypasses to use it.
129 (ir_sb1a_simple_alu): Likewise.
130 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
131 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
132 (mips_issue_rate): Add PROCESSOR_SB1A.
133 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
134 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
135 (TARGET_SB1): Add PROCESSOR_SB1A check.
136 (TUNE_SB1): Likewise.
138 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
139 * config/mips/mips.c (mips_store_data_bypass_p): New.
140 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
143 2006-07-08 Paul Brook <paul@codesourcery.com>
146 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
148 2006-07-07 Richard Guenther <rguenther@suse.de>
151 * tree.h (build_one_cst): Declare.
152 * tree.c (build_one_cst): New function.
153 * tree-ssa-math-opts.c (get_constant_one): Remove.
154 (insert_reciprocals): Use build_one_cst.
155 * fold-const.c (fold_plusminus_mult): Likewise.
157 2006-07-07 Roger Sayle <roger@eyesopen.com>
159 * pointer-set.c (pointer_set_destroy): Correct whitespace.
160 * cfgloopanal.c (dump_graph): Likewise.
161 * dojump.c (discard_pending_stack_adjust): Likewise.
162 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
164 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
165 * function.c (finalize_block_changes): Likewise.
166 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
167 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
168 * rtl.c (dump_rtx_statistics): Likewise.
169 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
171 * varray.c (dump_varray_statistics): Likewise.
172 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
173 decode_decimal64, encode_decimal128, decode_decimal128,
174 decimal_real_to_decimal): Likewise.
176 2006-07-07 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/28187
179 * tree-vrp.c (vrp_operand_equal_p): New function.
180 (vrp_bitmap_equal_p): Likewise.
181 (update_value_range): Use them to compare old and new
184 2006-07-06 Roger Sayle <roger@eyesopen.com>
186 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
187 a default case to switch statement to silence compiler warnings.
189 2006-07-06 Roger Sayle <roger@eyesopen.com>
192 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
193 the configured assembler supports the x87's ffreep mnemonic.
194 * configure: Regenerate.
195 * config.in: Regenerate.
197 * config/i386/i386.c (output_387_ffreep): New function.
198 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
199 (output_387_reg_move): Likewise.
201 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
203 Port to hosts whose 'sort' and 'tail' implementations
204 treat operands with leading '+' as file names, as POSIX
205 has required since 2001. However, make sure the code still
206 works on pre-POSIX hosts.
207 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
208 which says you should use "tail -c +N" rather than "tail +Nc".
209 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
211 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
213 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
216 2006-07-06 David Edelsohn <edelsohn@gnu.org>
219 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
220 PRE_{INC,DEC} of TFmode.
222 2006-07-06 David Edelsohn <edelsohn@gnu.org>
223 Alan Modra <amodra@bigpond.net.au>
226 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
229 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
232 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
233 Remove duplicate gtu.
235 2006-07-05 Jason Merrill <jason@redhat.com>
239 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
240 * c-common.c (handle_packed_attribute): So don't copy it here.
241 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
243 2006-07-05 Mike Stump <mrs@apple.com>
245 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
247 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
250 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
252 2006-07-05 Richard Guenther <rguenther@suse.de>
255 * config/i386/i386.md (*negdf2_1): Restrict pattern to
256 TARGET_SSE2 targets if using SSE math.
257 (*absdf2_1): Likewise.
259 2006-07-05 Richard Guenther <rguenther@suse.de>
261 PR tree-optimization/28162
262 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
263 make sure to convert the operands to the correct type.
265 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
267 PR tree-optimization/28218
269 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
270 to calculate and free the dominator information.
272 2006-07-04 Peter O'Gorman <peter@pogma.com>
274 * mklibgcc.in: chmod 644 before ranlib during install.
276 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
277 J"orn Rennecke <joern.rennecke@st.com>
279 * configure.ac (.eh_frame data check): Use diff -b.
281 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
284 * Makefile.in (BUILD_RTL): Add build/vec.o.
285 (build/gencondmd.o): Filter out -fkeep-inline-functions.
286 (build/genextract): Delete.
287 (build/genautomata): Likewise.
289 2006-07-04 Alan Modra <amodra@bigpond.net.au>
292 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
293 128-bit IBM long doubles for ABI_V4.
295 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
297 * tree.c (range_in_array_bounds_p): New predicate.
298 * tree.h (range_in_array_bounds_p): Declare it.
299 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
300 return a less conservative answer.
301 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
303 (IS_ELEMENT_FOR_GROUP): New macro.
304 (FOR_EACH_ACTUAL_CHILD): Likewise.
305 (next_child_for_group): New helper function.
306 (can_completely_scalarize_p): Take into account groups.
307 (sra_hash_tree): Handle RANGE_EXPR.
308 (sra_elt_eq): Likewise.
309 (lookup_element): Be prepared for handling groups.
310 (is_valid_const_index): Delete.
311 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
312 instead of is_valid_const_index.
313 <ARRAY_RANGE_REF>: New case.
314 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
315 is_valid_const_index.
316 <ARRAY_RANGE_REF>: Do not unconditionally punt.
317 (scan_dump): Dump info for groups too.
318 (decide_instantiation_1): Likewise.
319 (decide_block_copy): Assert that the element is not a group.
320 Propagate decision to groups.
321 (generate_one_element_ref): Handle RANGE_EXPR.
322 (mark_no_warning): Iterate over actual childs.
323 (generate_copy_inout): Likewise.
324 (generate_element_copy): Likewise.
325 (generate_element_zero): Likewise.
326 (generate_element_init_1): Likewise.
327 (dump_sra_elt_name): Handle RANGE_EXPR.
329 2006-07-03 Roger Sayle <roger@eyesopen.com>
331 PR tree-optimization/26251
332 * tree-ssa-threadupdate.c (redirection_block_p): New function.
333 (thread_block): When optimizing for size refuse to thread jumps
334 that would require duplication of blocks other than redirection
337 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
339 * configure.ac: Fix thinko in previous check-in.
340 * configure: Regenerate.
342 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
345 * configure.ac (for lang...): Simplify nesting of conditionals.
346 Test subdir_requires for non-enabled languages. Move processing
347 of lang_opt_files and lang_tree_fiels below that test.
348 * configure: Regenerate.
349 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
351 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
353 * doc/gcov.texi (Invoking Gcov): Add a missing word.
355 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
357 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
360 2006-06-29 Jason Merrill <jason@redhat.com>
367 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
368 * c-common.c (c_determine_visibility): Handle it here.
369 * c-decl.c (finish_decl): Call c_determine_visibility for
371 * flags.h (enum symbol_visibility): Sort from most to least visibility.
373 * varasm.c (default_assemble_visibility): Likewise.
374 * c-common.c (handle_visibility_attribute): Complain about trying
375 to give visibility to an already defined class, or trying to change
376 declared visibility. Always attach the attribute.
381 * attribs.c (decl_attributes): Ignore type-in-place attributes
382 once the type has been defined.
384 2006-06-29 Roger Sayle <roger@eyesopen.com>
387 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
388 to indicate the cpplib has issued an error message for us.
390 2006-06-29 Asher Langton <langton2@llnl.gov>
393 * config/i386/i386.c (ix86_output_function_epilogue): Don't
394 insert a label at the end of an function under Mach-O.
396 2006-06-29 Eric Christopher <echristo@apple.com>
397 Evan Cheng <evan.cheng@apple.com>
399 * predicates.md (vector_all_ones_operand): New.
400 (nonimmediate_or_sse_const_operand): Ditto.
401 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
402 * config/i386/i386.c (standard_sse_constant_opcode): Define.
403 (standard_sse_mode_p): Ditto.
404 (standard_sse_constant_p): Add case for -1 vector.
405 (ix86_expand_vector_move): Try to use.
406 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
407 Call standard_sse_constant_opcode.
408 (*movv4sf_internal): Ditto.
409 (*movv2df_internal): Ditto.
411 2006-06-29 Roger Sayle <roger@eyesopen.com>
413 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
414 of XEXP to extract the operands of a MATCH_CODE rtx.
416 2006-06-28 Andrew Pinski <pinskia@gmail.com>
418 * tree.c (tree_size): Do not waste tail padding in
419 struct tree_string and make the size be the same as
420 build_string will generate.
422 2006-06-28 Jason Merrill <jason@redhat.com>
425 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
426 may_aliases already in the tag's annotations to the bitmap.
428 2006-06-28 Roger Sayle <roger@eyesopen.com>
430 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
432 2006-06-28 Roger Sayle <roger@eyesopen.com>
434 * genpreds.c (generate_switch_p): New function.
435 (add_mode_tests): Push the new mode test down inside an AND expr
436 if this allows the switch-suitable MATCH_CODE to be near the root.
437 (write_match_code_switch): New function to write a MATCH_CODE as
439 (write_predicate_stmts): New function to write a predicate RTX
440 expression as a sequence of statements.
441 (write_one_predicate_function): Use write_predicate_stmts.
442 (write_tm_constrs_h): Likewise.
444 2006-06-26 Fred Fish <fnf@specifix.com>
446 * config/mips/t-sb1: New file.
447 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
450 2006-06-26 DJ Delorie <dj@redhat.com>
452 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
454 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
455 Jayant Sonar <jayants@kpitcummins.com>
456 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
458 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
459 (subsi3, subsi3_1, subsi3_2): New.
460 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
461 * config/m32c/mov.md (SI mov peephole): New.
462 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
463 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
465 2006-06-26 Olivier Hainque <hainque@adacore.com>
467 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
468 a CALL_EXPR target function declaration.
470 2006-06-26 Richard Guenther <rguenther@suse.de>
472 * tree.c (build_string): Do not waste tail padding in
475 2006-06-26 Richard Guenther <rguenther@suse.de>
477 * ggc-page.c (init_ggc): Add missing element to size_lookup
481 2006-06-23 Richard Guenther <rguenther@suse.de>
483 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
484 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
485 alignment requests instead. Add verification code.
486 Add struct tree_function_decl and struct tree_binfo size to
487 extra_order_size_table. Add missing element to size_lookup
490 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
493 * fold-const.c (const_binop): Be prepared for self returning zero.
494 Simplify code handling complex values.
496 2006-06-24 Olivier Hainque <hainque@adacore.com>
498 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
499 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
502 2006-06-24 Olivier Hainque <hainque@adacore.com>
504 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
505 ARRAY_REF, so have the callback called for the low bound expression.
507 2006-06-23 Janis Johnson <janis187@us.ibm.com>
509 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
510 * c-typeck.c (c_common_type): Disallow operations on decimal float
511 types and other float types.
512 * convert.c (convert_to_real): Don't ignore conversions involving
515 2006-06-23 Olivier Hainque <hainque@adacore.com>
517 * tree.c (max_int_size_in_bytes): New function, inspired from
518 code in function.c:assign_temp.
519 * tree.h (max_int_size_in_bytes): Declare.
520 * function.c (assign_temp): Use it.
521 * gimplify.c (create_tmp_var): Relax the assertions on the type
522 properties, not mandating constant size any more.
523 (force_constant_size): New static function.
524 (gimple_add_tmp_var): Use it, forcing variable size to a
525 constant upper bound if it is not constant on entry.
527 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
530 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
531 for initialization and setting of one_only flag to ...
532 (i386_pe_encode_section_info): ...here.
533 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
534 Recheck that the symbol has not been defined.
536 2006-06-23 Richard Guenther <rguenther@suse.de>
538 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
539 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
540 alignment requests instead. Add verification code.
541 Add struct tree_function_decl and struct tree_binfo size to
542 extra_order_size_table. Add missing element to size_lookup
545 2006-06-22 Roger Sayle <roger@eyesopen.com>
546 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
549 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
550 call to lang_hooks.types.type_for_mode returned NULL_TREE.
552 2006-06-23 Ben Elliston <bje@au.ibm.com>
554 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
555 negate dn -- manipulate it directly.
557 2006-06-22 Roger Sayle <roger@eyesopen.com>
558 Steven Bosscher <stevenb.gcc@gmail.com>
561 * reload1.c (gen_reload): Call mark_jump_label on the new insns
562 generated by gen_move_insn to add REG_LABEL notes if necessary.
564 2006-06-22 Bob Wilson <bob.wilson@acm.org>
566 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
567 (leaf_entry): Remove use of MIN_ESA.
569 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
571 PR rtl-optimization/28121
572 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
575 2006-06-21 DJ Delorie <dj@redhat.com>
577 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
579 (mulhisi3_r): Likewise.
581 2006-06-21 Richard Sandiford <richard@codesourcery.com>
584 * coverage.c (coverage_counter_alloc): Leave the index type
586 (coverage_counter_alloc): Use null arguments for operands 2 and 3
589 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
591 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
592 section from the "Options for Code Generation Conventions".
594 2006-06-21 Richard Henderson <rth@redhat.com>
598 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
600 (global_symbolic_operand): Allow weak symbols, even if local_p.
602 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
604 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
605 (find_interesting_uses_address): Punt if above function returns true.
607 2006-06-21 Richard Guenther <rguenther@suse.de>
609 * configure: Regenerated.
611 2006-06-21 Joseph Myers <joseph@codesourcery.com>
613 * config/mips/mips.c (function_arg): Where one part of a
614 complex argument is in registers and the other part in the stack,
615 return a REG not a PARALLEL.
617 2006-06-21 Mark Mitchell <mark@codesourcery.com>
619 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
620 when cross-compiling. Do not substitute libstdcxx_incdir.
621 * configure: Regenerated.
623 2006-06-21 Jakub Jelinek <jakub@redhat.com>
625 * varasm.c (mergeable_string_section): Check for embedded NULs and
626 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
627 rather than TREE_STRING_LENGTH bytes.
629 2006-06-21 Richard Guenther <rguenther@suse.de>
631 * ggc-page.c (extra_order_size_table): Add var_ann_d,
632 tree_ssa_name, bitmap_element and phi_node with 4 arguments
635 2006-06-21 Richrad Guenther <rguenther@suse.de>
637 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
638 Limit iteration over the dominators.
640 2006-06-20 Roger Sayle <roger@eyesopen.com>
642 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
643 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
645 2006-06-20 Richard Guenther <rguenther@suse.de>
646 Michael Matz <matz@suse.de>
648 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
650 * alloc-pool.c (free_alloc_pool_if_empty): New function.
651 * et-forest.h (et_free_pools): Prototype new function.
652 * et-forest.c (et_free_tree_force): Free parent occurrence.
653 (et_free_pools): New function.
654 * dominance.c (free_dominance_info): Free et-forest alloc
657 2006-06-20 Roger Sayle <roger@eyesopen.com>
659 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
660 integer modes, attempt to directly construct an integer constant.
662 * fold-const.c (native_encode_vector): Determine the size of each
663 element from the vector type instead of the first vector element.
665 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
666 if all of its elements/components are constant.
667 (build_constructor_from_list): Likewise.
669 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
671 PR tree-optimization/27331
672 * tree-data-ref.c (free_data_ref): New function.
673 (create_data_ref): Fail if the data reference has unknown access
675 (free_data_refs): Use free_data_ref.
677 2006-06-19 Andrew Pinski <pinskia@gmail.com>
680 * tree-inline.c (setup_one_parameter): Strip useless
681 type conversion before adding it to the IR.
682 (declare_return_variable): Likewise.
684 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
687 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
689 2006-06-19 Mike Stump <mrs@apple.com>
691 * tree.c (variably_modified_type_p): VM arguments don't make the
694 2006-06-19 Richard Guenther <rguenther@suse.de>
696 * tree-ssa-pre.c (try_combine_conversion): Strip useless
697 type conversions after folding.
699 2006-06-19 Richard Guenther <rguenther@suse.de>
701 * ggc-page.c (extra_order_size_tab): Add entries with
702 size of struct function and basic_block.
703 (size_lookup): Extend to cover sizes up to 511.
704 (ggc_alloc_stat): Adjust user.
705 (ggc_pch_count_object): Likewise.
706 (ggc_pch_alloc_object): Likewise.
707 (ggc_pch_write_object): Likewise.
709 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
711 * tree-ssa-loop-niter.c (implies_ge_p): New function.
712 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
715 2006-06-19 Denis Chertykov <denisc@overta.ru>
717 * config/avr/libgcc.S : Correct my wrong previous commit.
719 2006-06-19 Roger Sayle <roger@eyesopen.com>
722 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
723 have stripped a SUBREG from the shift count, so we may need to
724 convert_to_mode back to the type's mode before calling make_tree.
725 Use new_amount instead of amount to avoid expanding a tree twice.
727 2006-06-19 Richard Guenther <rguenther@suse.de>
730 * fold-const.c (operand_equal_p): Check if the argument types
731 have the same precision before stripping NOPs.
733 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
735 Fix PR tree-optimization/27341
736 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
738 * tree-complex.c (pass_lower_complex): Update SMT usage.
740 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
742 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
743 Add a new alternative to the constraint strings. Add move of
744 operand 1 to 3 to the splitter definition.
745 ("doloop_si_long"): Second contraint alternative removed.
747 2006-06-08 Anatoly Sokolov <aesok@post.ru>
749 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
750 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
752 (AVR_HAVE_MOVW) Define.
753 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
754 (ASM_SPEC): Add avr25.
755 (LINK_SPEC): Add avr25.
756 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
757 (base_arch_s): Add new member 'have_movw_lpmx'.
758 (avr_arch_types): Init 'have_movw_lpmx'.
759 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
760 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
761 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
762 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
763 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
765 (avr_file_start): Do not output '.arh' derective.
766 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
767 (__do_copy_data): Use __AVR_HAVE_LPMX__.
768 * config/avr/avr.md (mcu_enhanced): Delete.
769 (mcu_have_movw): Define.
770 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
771 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
772 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
773 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
774 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
775 attiny861 and at86rf401 devices.
777 2006-06-18 Jie Zhang <jie.zhang@analog.com>
779 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
782 2006-06-17 Karl Berry <karl@gnu.org>
784 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
785 doc/gccint.texi, doc/install.texi (@dircategory): Use
786 "Software development" instead of "Programming", following
787 the Free Software Directory.
789 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
791 * config/i386/i386.c (legitimate_tls_address)
792 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
793 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
794 (*tls_dynamic_gnu2_combine_64): Likewise.
796 2006-06-16 Richard Guenther <rguenther@suse.de>
799 * fold-const.c (negate_expr_p): Do not introduce undefined
800 overflow in negating INTEGER_CSTs.
801 (fold_negate_expr): Rename from negate_expr. Revert last
802 change for folding BIT_NOT_EXPR. Change semantics to
803 return NULL_TREE for non-simplified negations. Do not
804 strip type conversions and unify type handling.
805 (negate_expr): New function, wrap around fold_negate_expr
806 but ensure building a tree always. Strip type conversions
807 here, fold to result type.
808 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
810 2006-06-16 Roger Sayle <roger@eyesopen.com>
813 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
814 that (would) return their results in stack registers.
816 2006-06-16 Michael Matz <matz@suse.de>
817 Richard Guenther <rguenther@suse.de>
819 * fold-const.c (fold_truthop): Only return new tree node if
820 we canonicalized something.
822 2006-06-16 Richard Guenther <rguenther@suse.de>
824 * function.h (enum function_frequency): Move declaration
825 out of struct function.
826 (struct function): Move bool fields and the enum to the bitfield
827 section. Reorder elements to avoid padding. Remove unused
828 fields left over from the RTL inliner removal.
829 * function.c (free_after_compilation): Do not zero removed fields.
830 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
831 (ipa-type-escape.o): Likewise.
833 2006-06-16 Richard Guenther <rguenther@suse.de>
835 * cgraph.h (struct cgraph_local_info): Turn bool elements
837 (struct cgraph_node): Likewise.
838 (struct cgraph_varpool_node): Likewise.
840 2006-06-15 Richard Guenther <rguenther@suse.de>
842 * fold-const.c (fold_truth_not_expr): Rename from
843 invert_truthvalue. Give it fold_* semantics to avoid
845 (invert_truthvalue): New function. Wrapper around
847 (optimize_minmax_comparison): Avoid creating garbage.
848 (fold_unary): Use fold_truth_not_expr for folding
850 (fold_ternary): Replace uses of invert_truthvalue with
851 fold_truth_not_expr where applicable.
852 * tree.h (fold_truth_not_expr): Prototype.
854 2006-06-16 Richard Guenther <rguenther@suse.de>
856 PR tree-optimization/27781
857 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
858 * ipa-pure-const.c (target.h): Include.
859 (analyze_function): Do not analyze functions that do not
862 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
865 * tree-dfa.c (referenced_vars_dup_list): Remove.
866 (find_referenced_vars): Remove assert.
867 (referenced_var_check_and_insert): Replace dup list with assert.
868 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
869 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
871 2006-06-15 Richard Guenther <rguenther@suse.de>
873 * tree-ssa-structalias.c (alias_get_name): Avoid creating
874 extra unused identifiers if not dumping.
875 (create_variable_info_for): Likewise.
877 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
879 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
880 (derive_constant_upper_bound): Derive more precise upper bound in
881 common cases. Return type changed to double_int.
882 (record_estimate): Reflect the changed return type of
883 derive_constant_upper_bound.
884 * double-int.c (double_int_zext, double_int_sext): Fix.
886 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
888 * configure.ac (CFLAGS): Get them from the toplevel or from the
889 configure invocation.
890 * configure: Regenerate.
891 * Makefile.in (CFLAGS): Substitute value provided by configure.
893 2006-06-14 Mark Mitchell <mark@codesourcery.com>
896 * c-common.h (c_finish_omp_atomic): Adjust declaration.
897 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
898 rather than calling add_stmt on it.
899 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
901 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
904 * reload1.c (reload): Remove registers returned by update_eliminables
905 from used_spill_regs.
907 2006-06-13 DJ Delorie <dj@redhat.com>
909 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
911 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
913 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
914 html__strip_dir, html__mkdir_p. Enhance install-html target.
915 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
916 * configure: Regenerate.
918 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
920 * fold-const.c (fold_cond_expr_with_comparison): Check for
921 Objective-C++ as language in deciding COND_EXPR transformation.
923 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
926 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
927 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
928 * config/sh/lib1funcs.h (SL, SL1): Define.
929 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
930 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
931 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
932 (OBJS_Os_4_200): New variable.
933 ($(T)libgcc-Os-4-200.a): Use it.
934 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
935 when dividing 1 and/or by 0.
937 2006-06-13 Roger Sayle <roger@eyesopen.com>
939 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
940 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
941 * configure: Regenerate.
943 2006-06-13 Jie Zhang <jie.zhang@analog.com>
945 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
946 for real instruction.
948 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
951 * haifa-sched.c (check_cfg): Handle special case.
953 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
956 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
957 Add debug_info parameter. Chain the vars to the BLOCK instead
958 of the BIND_EXPR if debug info are requested for them.
959 (pop_gimplify_context): Adjust for above change.
960 (gimple_add_tmp_var): Likewise.
961 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
963 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
964 (convert_local_reference): Likewise.
965 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
966 (finalize_nesting_tree_1): Request that debug info be emitted
969 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
971 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
974 2006-06-13 Richard Guenther <rguenther@suse.de>
977 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
979 2006-06-13 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/27830
982 * tree-inline.c (copy_body_r): For copying the operand
983 of an ADDR_EXPR make sure to fold &* afterwards.
985 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
987 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
988 lvalues in the fb_none case with side-effects.
990 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
992 * tree-flow.h: Remove the prototype for
993 compute_phi_arg_on_exit.
994 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
995 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
998 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1000 * builtins.c (expand_builtin_return_addr): Only use
1001 frame_pointer_rtx when count == 0 and we are expanding
1002 __builtin_return_address.
1004 2006-06-12 Fred Fish <fnf@specifix.com>
1006 * config/mips/mips.c (mips_file_start): Create special section
1007 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1009 2006-06-11 Eric Christopher <echristo@apple.com>
1012 * stor-layout.c (place_field): Remove check for
1013 remaining_in_alignment when aligning at the end of a run.
1015 2006-06-11 Eric Christopher <echristo@apple.com>
1018 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1021 2006-06-11 Roger Sayle <roger@eyesopen.com>
1024 Revert incorrect fix for PR target/27158
1025 2006-05-08 Roger Sayle <roger@eyesopen.com>
1026 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1027 of a reg_equiv_constant if the result is a legitimate constant.
1029 2006-06-11 Roger Sayle <roger@eyesopen.com>
1032 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1033 extract a CONST_VECTOR element and interpret it as an integer.
1034 (vspltis_constant): Use const_vector_elt_as_int instead of the
1035 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1036 * config/rs6000/predicates.md (easy_vector_const): Consider
1037 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1039 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1042 * stor-layout.c (update_alignment_for_field): Don't add extra
1043 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1046 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1048 * config/mips/t-rtems: Add EL/EB multilib variants.
1050 2006-06-09 Mike Stump <mrs@apple.com>
1052 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1054 2006-06-09 David Daney <ddaney@avtrex.com>
1056 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1058 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1060 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1062 2006-06-09 Richard Guenther <rguenther@suse.de>
1064 PR tree-optimization/26998
1065 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1066 of signed types, only TYPE_MIN_VALUE is special, but for both,
1067 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1068 in this case, as is -fwrapv.
1070 2006-06-08 Mike Stump <mrs@apple.com>
1073 * config/darwin.c (darwin_asm_output_anchor): Disable
1074 -fsection-anchors on darwin for now.
1075 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1076 * rs6000/rs6000.c (optimization_options): Likewise.
1078 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1081 * config/i386/i386.c (classify_argument): Skip fields with invalid
1084 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1086 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1087 (cse_insn): Likewise for the stack_pointer_rtx.
1089 2006-06-08 Roger Sayle <roger@eyesopen.com>
1091 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1092 conditions from floating point comparisons.
1094 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1097 * expmed.c (struct alg_hash_entry): Fix type of field T
1098 to match synth_mult argument.
1099 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1101 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1104 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1107 2006-06-08 Richard Guenther <rguenther@suse.de>
1110 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1111 only, if overflow is defined and not trapping.
1112 (negate_expr): Likewise.
1114 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1116 PR tree-optimization/27872
1117 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1118 flag on the new exit edge of the unrolled loop.
1120 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1122 PR rtl-optimization/26449
1123 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1125 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1128 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1129 referenced_variables with matching DECL_UID's.
1130 (find_referenced_vars): Make sure duplicate list is empty to start.
1131 (referenced_var_p): Remove.
1132 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1133 Check if var is in the list, and add if needed. Update the duplicate
1134 list if a different var is in the list with the same DECL_UID.
1135 (add_referenced_var): Call routine to check and insert.
1136 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1137 * tree-flow.h (referenced_vars_dup_list): External declaration.
1139 2006-06-07 Fred Fish <fnf@specifix.com>
1141 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1144 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1147 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1148 the imaginary and real parts of a clobbered register.
1149 Emit insn to set the imaginary part.
1151 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1153 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1154 in lieu of unwind-dw2-fde.c.
1156 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1158 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1160 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1163 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1164 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1165 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1166 V4SImode temporaries and operations instead.
1168 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1170 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1173 2006-06-06 Mike Stump <mrs@apple.com>
1175 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1176 installing during build.
1178 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1180 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1182 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1183 * config/ia64/ia64.c (params.h): New header.
1184 (ia64_optimization_options): New function to adjust parameters.
1185 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1186 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1187 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1189 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1191 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1193 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1196 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1198 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1199 Victor Kaplansky <victork@il.ibm.com>
1201 PR tree-optimization/26360
1202 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1205 2006-06-04 Roger Sayle <roger@eyesopen.com>
1206 Andrew Pinski <pinskia@physics.uc.edu>
1209 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1210 for LABEL_DECL before calling DECL_WEAK.
1213 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1214 LABEL_DECL and PARM_DECL.
1216 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1220 * c-decl.c (grokdeclarator): Disallow variably modified types at
1221 file scope. Avoid marking shared array type of constant size as
1224 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1227 * c-common.c (fold_offsetof_1): Handle static members.
1229 2006-06-04 Eric Christopher <echristo@apple.com>
1231 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1232 (debug_rli): Output value for remaining_in_alignment.
1233 (update_alignment_for_field): Unconditionalize
1234 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1235 extra alignment code.
1236 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1237 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1238 * tree.h (record_layout_info_s): Remove prev_packed.
1239 * doc/extend.texi (ms_struct): Add documentation of format.
1241 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1243 * tree.h: Declare folding_initializer.
1244 * builtins.c (fold_builtin_constant_p): Give definite answer
1245 if folding inside an initializer.
1246 * fold-const.c: Define folding_initializer.
1247 (START_FOLD_INIT): Save and then set folding_initializer.
1248 (END_FOLD_INIT): Restore folding_initializer.
1250 2006-06-04 Richard Guenther <rguenther@suse.de>
1252 PR tree-optimization/27039
1253 * fold-const.c (fold_comparison): Handle pointer comparison
1254 again for all comparison codes. Compare offsets in signed
1256 (fold_binary): Move code from here.
1258 2006-06-03 Roger Sayle <roger@eyesopen.com>
1261 * config/i386/i386.c (construct_container): Split static issued_error
1262 flag into issued_sse_arg_error, issued_sse_ret_error and
1263 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1264 requires the use of x87 registers and the user explicitly
1265 specified the -mno-80387 command line option.
1267 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1269 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1270 HAVE_DECL_SIGALTSTACK.
1272 (segv_handler): Use MC_FLD.
1273 * configure.ac: Check for a sigaltstack declaration.
1274 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1275 * configure: Regenerate.
1276 * config.in: Regenerate.
1278 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1281 * Makefile.in (stmp-fixinc): Fix typo.
1283 2006-06-02 Roger Sayle <roger@eyesopen.com>
1285 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1286 are type correct. Clean-up.
1287 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1288 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1290 2006-06-01 DJ Delorie <dj@redhat.com>
1292 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1293 shift, as we've disabled the "switch" insn that needs it.
1295 2006-06-01 Per Bothner <bothner@bothner.com>
1297 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1298 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1299 * c-ppoutput.c (cb_define): Don't increment line 0.
1301 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1303 * doc/invoke.texi: Add cpu_type power6.
1304 * config.gcc: Add cpu_type power6.
1305 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1306 to power5+ with Altivec.
1307 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1308 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1310 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1312 * config/avr/avr.h (SET_ASM_OP): Define.
1314 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1316 * config/bfin/bfin.c: Fix comment typos.
1318 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1321 * doc/install.texi: Document --enable-bootstrap and
1322 --disable-bootstrap.
1324 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1326 * doc/install.texi: Document that InfoZIP can replace jar.
1328 2006-05-31 Roger Sayle <roger@eyesopen.com>
1330 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1331 isn't available, directly generate the simpler x87 patterns without
1332 the (use (const_int 0)).
1333 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1334 implementation isn't available.
1335 (*negdf2_1): Likewise.
1336 (*negxf2_1): XF mode negation is always done using the x87.
1337 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1339 2006-05-31 Roger Sayle <roger@eyesopen.com>
1341 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1342 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1344 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1346 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1348 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1349 * config/bfin/bfin.c (basic-block.h): Include.
1350 (struct machine_function): New.
1351 (bfin_init_machine_status): New.
1352 (override_options): Initialize init_machine_status.
1353 (bfin_hardware_loop): New.
1354 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1355 (DEF_VEC_P (loop_info)): New.
1356 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1357 (struct loop_info): New.
1358 (loop_info): New typedef.
1359 (struct loop_work): New.
1360 (loop_work): New typedef.
1361 (DEF_VEC_O (loop_work)): New.
1362 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1363 (bfin_dump_loops): New.
1364 (bfin_bb_in_loop): New.
1365 (bfin_scan_loop): New.
1366 (bfin_optimize_loop): New.
1367 (bfin_reorg_loops): New.
1368 (bfin_reorg): Use bfin_reorg_loops.
1369 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1371 (I_REGNO_P): Simplify.
1372 (DP_REGNO_P, DPREG_P): New macros.
1373 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1374 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1375 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1376 Add LT_REGS, LC_REGS, LB_REGS.
1377 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1379 (REGNO_REG_CLASS): Deal with loop registers.
1380 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1382 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1383 New constants for loop registers.
1384 (UNSPEC_LSETUP_END): New.
1385 (seq_insns): New define_attr. Set it for appropriate insns.
1386 (movsi_insn): Add alternatives for move from/to
1387 loop count registers.
1388 (doloop_end): New define_expand.
1389 (loop_end): New define_insn.
1390 (define_split for bad doloop_end): New.
1391 (lsetup_with_autoinit): New define_insn.
1392 (lsetup_without_autoinit): New define_insn.
1393 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1394 * config/bfin/predicates.md (lc_register_operand): New.
1395 (lt_register_operand): New.
1396 (lb_register_operand): New.
1397 (nondp_register_operand): New.
1398 (nondp_reg_or_memory_operand): New.
1399 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1401 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1403 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1404 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1406 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1408 * Makefile.in (CATALOGS): Add po/ prefix.
1409 * configure: Regenerated.
1411 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1414 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1415 a shift operand before calling shift_op. Avoid redundant call of
1418 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1419 DJ Delorie <dj@redhat.com>
1421 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1422 we're inserting is a singlt-bit constant.
1424 2006-05-30 Roger Sayle <roger@eyesopen.com>
1426 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1427 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1429 2006-05-30 Roger Sayle <roger@eyesopen.com>
1431 PR tree-optimization/23452
1432 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1433 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1434 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1435 complex values and with -ffast-math for FP complex values.
1437 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1439 * c-common.h: Remove the prototype for yyparse.
1440 * rtl.h: Remove the prototype for init_loop.
1442 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1444 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1447 2006-05-30 Roger Sayle <roger@eyesopen.com>
1449 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1451 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1452 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1454 2006-05-30 Dirk Mueller <dmueller@suse.de>
1457 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1458 for CONSTANT_CLASS_P expresisons.
1460 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1463 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1465 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1467 PR tree-optimization/27779
1468 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1469 initial_condition instead of CHREC_LEFT.
1471 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1473 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1474 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1475 Make prototypes ISO C90.
1477 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1478 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1480 * see.c (see_analyze_one_def): Correct check.
1481 (see_get_extension_data): Check if extension is parallel.
1482 (see_get_extension_reg): Likewise.
1484 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1487 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1488 into register for (code == GTU).
1490 2006-05-29 Roger Sayle <roger@eyesopen.com>
1492 PR tree-optimization/24964
1493 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1494 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1495 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1496 abs(x)*abs(x) as x*x for scalar floating point modes.
1498 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1501 * lambda-code.c (perfect_nestify): Don't copy statements
1502 in the inner loop: move them to the inner loop header.
1504 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1507 * c-tree.texi: Document OpenMP directives and clauses.
1509 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1511 * varasm.c (globalize_decl): Fix indentation.
1513 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1516 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1517 pass_fre, pass_store_ccp, pass_copy_prop,
1518 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1519 pass_return_slot, pass_object_size, pass_lim,
1520 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1521 pass_loop_prefetch and pass_stdarg.
1523 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1525 * config/bfin/bfin.opt (mfdpic): New option.
1526 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1527 (EXTRA_MULTILIB_PARTS): Likewise.
1528 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1529 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1531 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1532 (CRT_CALL_STATIC_FUNCTION): New.
1533 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1535 (CRT_CALL_STATIC_FUNCTION): New.
1536 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1538 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1539 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1540 (initialize_trampoline): Changed to handle FD-PIC code generation.
1541 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1542 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1543 (override_options): Disallow -mid-shared-library -mfdpic combination.
1544 Can't do unaligned ops if FD-PIC.
1545 Turn off flag_pic if trying to generate non-id-shared-library
1546 non-fdpic code, since it's not supported.
1547 (bfin_assemble_integer): New function.
1548 (TARGET_ASM_INTEGER): Define.
1549 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1551 * config/bfin/crtn.s: Restore them.
1552 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1554 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1555 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1556 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1557 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1558 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1560 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1561 FDPIC_REGS and FDPIC_FPTR_REGS.
1562 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1563 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1564 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1565 (load_funcdescsi): New pattern.
1566 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1567 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1568 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1570 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1572 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1575 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1577 * tree-flow.h: Remove the prototype for add_type_alias.
1578 * tree-ssa-alias.c (add_type_alias): Remove.
1580 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1582 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1583 config/fr30/fr30.md, config/i386/i386-interix.h,
1584 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1585 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1586 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1587 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1588 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1589 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1590 Follow spelling conventions.
1591 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1592 Follow spelling conventions.
1594 2006-05-27 Richard Guenther <rguenther@suse.de>
1597 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1598 to produce a constant of value 1 of generic type.
1600 2006-05-27 Dirk Mueller <dmueller@suse.de>
1602 * cgraphunit.c (decide_is_function_needed): Fix wrong
1605 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1607 PR rtl-optimization/27661
1608 * reload.c (find_reloads): When reloading a VOIDmode constant
1609 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1610 use Pmode as mode of the reload register.
1612 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1614 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1615 is enabled at -O and above.
1617 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1620 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1623 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1626 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1627 for anonymous variables explicitly declared by front ends.
1629 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1631 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1632 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1633 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1634 ref-all pointers, run a finalization pass for them.
1635 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1636 (finalize_ref_all_pointers): New function.
1637 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1638 regular pointer type to a ref-all pointer type.
1639 (get_tmt_for): Return the special memory tag for ref-all pointers.
1641 2006-05-25 Richard Guenther <rguenther@suse.de>
1644 * fold-const.c (fold_binary): Do not look at the stripped
1645 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1647 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1649 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1650 for LT and GT if the computed range is effectively empty.
1652 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1655 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1656 mips_quad_format formats instead of ieee_single_format,
1657 ieee_double_format and ieee_quad_format formats, respectively.
1659 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1661 PR tree-optimization/27639
1662 PR tree-optimization/26719
1663 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1664 call to scev_probably_wraps_p.
1665 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1666 used_in_pointer_arithmetic_p, convert_step): Removed.
1667 (nowrap_type_p): New function.
1668 (scev_probably_wraps_p): Rewritten.
1669 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1670 chrec_convert if chrec_convert_aggressive might have been used.
1671 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1672 scev_direction): New functions.
1673 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1674 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1675 instead of convert_step.
1676 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1677 (convert_step): Declaration removed.
1678 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1680 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1682 * df-core.c: Added to header comments.
1683 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1684 df_ur_bb_info, df_urec_bb_info): Added comments.
1685 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1686 urec, ri problems): Fixed header comments.
1687 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1688 code from df_rd_transfer_function.
1690 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1692 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1693 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1694 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1696 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1698 * expr.c (undefined_operand_subword_p): New.
1699 (emit_move_multi_word): Do not generate move from undefined bits
1700 of a paradoxical subreg.
1702 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1704 PR rtl-optimization/27736
1705 * combine.c (replaced_rhs_value): New variable.
1706 (combine_instructions): Set it.
1707 (distribute_notes): When distributing a note in replaced_rhs_insn,
1708 check whether the value was used in replaced_rhs_value.
1710 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1713 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1714 add_referenced_var instead of add_referenced_tmp_var.
1715 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1716 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1718 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1719 tree_optimize_tail_calls_1): Use add_referenced_var.
1720 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1721 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1722 Use add_referenced_var.
1723 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1724 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1725 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1726 Use add_referenced_var.
1727 * tree-dfa.c (struct walk_state): Remove.
1728 (find_referenced_vars): Remove walk state and vars_found hash table.
1729 (make_rename_temp): Use add_referenced_var.
1730 (find_vars_r): Pass less parameters to add_referenced_var.
1731 (referenced_var_p): New. Is var in referenced_var hash table.
1732 (referenced_var_insert): Assert var isn't already in hash table.
1733 (add_referenced_var): Don't need walk_state parameter. Add var if it
1734 isn't already in the hash table.
1735 (add_referenced_tmp_var): Remove.
1736 (find_new_referenced_vars_1): Use add_referenced_var.
1737 * tree-ssa-pre.c (create_expression_by_pieces,
1738 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1739 Use add_referenced_var.
1740 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1741 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1742 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1744 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1745 vect_create_data_ref_ptr, vect_create_destination_var,
1746 vect_init_vector, vect_build_loop_niters,
1747 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1748 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1749 Use add_referenced_var.
1750 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1751 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1752 (add_referenced_var): Add prototype.
1753 * tree-ssa-structalias.c (get_constraint_for,
1754 intra_create_variable_infos): Use add_referenced_var.
1756 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1758 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1759 big-endian paradoxical subregs.
1760 * var-tracking.c (struct micro_operation_def): Document that,
1761 for modify micro operations, insn is the subsequent instruction.
1762 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1763 (var_reg_set, var_mem_set): ... new functions.
1764 (add_stores): Record subsequent insn.
1765 (compute_bb_dataflow): Use new functions for MO_USE.
1766 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1767 notes after the insn, and modify notes before the insn known
1768 to be the subsequent one.
1769 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1771 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1774 * config/i386/i386.c (ix86_expand_builtin): Use
1775 gen_sse3_monitor64 for TARGET_64BIT.
1777 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1779 PR rtl-optimization/26375
1780 PR rtl-optimization/26855
1781 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1783 (df_ru_bb_local_compute): Reversed statements and removed bogus
1784 comment explaining why they should be in wrong order.
1785 (df_ru_dump, df_rd_dump): Enhanced debug info.
1786 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1788 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1789 reaching uses and fixed space problem.
1791 2006-05-23 Jan Hubicka <jh@suse.cz>
1793 * cgraphunit.c (decide_is_function_needed): Also nested functions
1794 and functions declared inline can be optimized out at -O0.
1796 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1798 * doc/install.texi (Configuration): Remove reference to CrossGCC
1802 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1805 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1806 ix86_compare_emitted is non-NULL.
1808 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1811 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1814 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1816 PR rtl-optimization/25514
1817 * combine.c (replaced_rhs_insn): New variable.
1818 (combine_instructions): Set replaced_rhs_insn when trying to replace
1819 a SET_SRC with a REG_EQUAL note.
1820 (distribute_notes): Use replaced_rhs_insn when determining the live
1821 range of a REG_DEAD register.
1823 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1824 Anatoly Sokolov <aesok@post.ru>
1826 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1827 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1828 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1829 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1830 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1831 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1832 at90usb647, at90usb1286 and at90usb1287 devices.
1833 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1834 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1836 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1838 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1840 2006-05-22 Richard Guenther <rguenther@suse.de>
1843 2006-01-31 Richard Guenther <rguenther@suse.de>
1844 Paolo Bonzini <bonzini@gnu.org>
1846 * doc/install.texi (--disable-libgcc-math): Document.
1848 2006-05-22 Richard Guenther <rguenther@suse.de>
1851 2006-01-31 Richard Guenther <rguenther@suse.de>
1853 * doc/invoke.texi (-msselibm): Document.
1854 * target.h (expand_library_builtin): New target hook.
1855 * builtins.c (expand_builtin): Use expand_library_builtin.
1856 (default_expand_library_builtin): New function.
1857 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1858 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1859 (link_gcc_math_spec): Declare.
1860 (static_specs): Add link_gcc_math_spec.
1861 * expr.h (default_expand_library_builtin): Declare.
1862 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1863 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1864 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1865 * config/i386/i386.opt (msselibm): New target option.
1866 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1867 (ix86_init_sse_abi_builtins): New function.
1868 (ix86_expand_library_builtin): Likewise.
1869 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1870 (override_options): Handle error conditions wrt -msselibm.
1871 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1872 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1873 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1876 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1879 * c-common.c (self_promoting_args_p): Skip erroneous args.
1882 * c-decl.c (finish_struct): Skip erroneous fields.
1884 2006-05-22 Nick Clifton <nickc@redhat.com>
1886 * config/cris/cris.opt (march): Remove VarExists attribute.
1887 (max-stackframe=): Likewise.
1889 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1891 * doc/rtl.texi: Fix a typo.
1892 * see.c: Fix comment typos.
1894 * tree-ssa-structalias.h (alias_info): Remove num_references.
1896 2006-05-21 Mike Stump <mrs@apple.com>
1898 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1900 (darwin_pragma_options): Use BAD instead.
1901 (darwin_pragma_unused): Likewise.
1902 (darwin_pragma_ms_struct): Likewise.
1904 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1906 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1908 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1910 PR rtl-optimization/27671
1911 * simplify-rtx.c (simplify_relational_operation_1): Fix
1912 simplifications of (eq/ne (xor x y) y) and
1913 (eq/ne (xor x y) x).
1915 PR tree-optimization/26622.
1916 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1919 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1921 * tree-cfg.c: Prune whitespace.
1922 (debug_tree_cfg): Point to correct header containing the
1925 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1928 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1930 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1933 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1934 or sorry count is non zero.
1936 2006-05-20 Andreas Schwab <schwab@suse.de>
1938 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1940 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1941 Kenneth Zadeck <zadeck@naturalbridge.com>
1943 PR rtl-optimization/26855
1945 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1947 (df_scan_alloc): Added code to properly handle multiword hard
1948 registers and add all_blocks parameter.
1949 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1950 code to properly handle multiword hard registers.
1951 (df_rescan_blocks): Added code to remove deleted blocks from
1953 (df_ref_create_structure, df_ref_record): Added code to properly
1955 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1956 and set DF_REF_PARTIAL.
1957 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1958 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1959 (df_scan_add_problem): Added flags parameter.
1960 (df_ref_create_structure): Changed switching structure.
1961 (df_bb_refs_record): Fixed case where duplicate artificial refs
1962 were created. Changed location of flags.
1963 (df_record_entry_block_defs): Added code to make stack pointer
1964 live in entry block. Refined cases where frame pointer is needed.
1965 Changed location of flags.
1966 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1967 (df_set_state): Removed function.
1968 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1969 df_insn_create_insn_record, df_insn_refs_delete,
1970 df_ref_create_structure): Formatting changes.
1971 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1972 df_delete_basic_block): New function.
1973 (df_init): Changed location of flags.
1974 (df_add_problem): Added flags parameter and the way flags are
1976 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1977 debug_df_chain): Improved debugging output.
1978 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1979 (df_refs_chain_dump): Removed df parameter.
1980 (df_iterative_dataflow): Added consistency check.
1981 (df_prune_to_subcfg): Made public.
1982 (df_analyze_problem): Added blocks_to_init parameter and made
1984 (df_ref_record, df_bb_refs_record, df_mark_reg,
1985 df_record_exit_block_uses): Whitespace changes.
1986 (df_dump): Whitespace changes.
1987 * df.h: Some reordering to remove forward references.
1988 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1989 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1990 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1991 (dataflow.flags): New field.
1992 (df.flag): Deleted field.
1993 (df_alloc_function): Added additional bitmap parameter.
1994 (df_dependent_problem_function): New type.
1995 (df_problem.changeable_flags): New field.
1996 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1997 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1998 (df_mw_hardreg): New struct.
1999 (DF_INSN_UID_MWS): New macro.
2000 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2002 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2003 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2004 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2005 (df_set_state): Removed function.
2006 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2007 * df-problems.c (df_chain_dump): Removed df parameter.
2008 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2009 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2011 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2012 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2013 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2014 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2015 DF_REF_MUST_CLOBBER cases.
2016 (df_ru_bb_local_compute_process_def,
2017 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2018 df_lr_bb_local_compute, df_ur_bb_local_compute,
2019 df_chain_create_bb): Made subreg aware.
2020 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2021 df_lr_bb_local_compute, df_lr_bb_local_compute,
2022 df_chain_create_bb): Cleanup to use proper macros.
2023 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2024 code to fixup bitvectors.
2025 (df_ri_alloc): Cleared lifetime.
2026 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2027 df_create_unused_note): New function.
2028 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2029 REG_DEAD and REG_UNUSED notes as well as register information.
2030 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2031 df_chains_dump): Fixed crash if problem was never run.
2032 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2033 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2034 df_ri_add_problem): Processes flags in uniform manner.
2035 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2036 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2037 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2038 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2039 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2040 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2041 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2042 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2043 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2044 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2045 * see.c (see_initialize_data): Ditto.
2046 * final.c (rest_of_clean_state) Added regstack_completed.
2047 * rtl.h (regstack_completed): Ditto.
2048 * reg-stack.c (regstack_completed): Ditto.
2050 2006-05-19 Mike Stump <mrs@apple.com>
2052 * c-tree.h (default_conversion): Remove.
2053 * c-common.h (default_conversion): Add.
2055 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2057 * tree-vrp.c (valid_value_p): New function.
2058 (adjust_range_with_scev): Fail if the value of bound is not
2061 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2063 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2064 (mips_fallback_frame_state): Use syscall numbers to determine
2065 the appropriate li instruction for the current ABI. Only use
2066 __NR_sigreturn for o32.
2068 2006-05-19 Nicolas Setton <setton@adacore.com>
2070 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2071 * langhooks.c (lhd_dwarf_name): New function.
2072 * langhooks-def.h (lhd_dwarf_name): Declare.
2073 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2074 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2075 * ada/misc.c (gnat_dwarf_name): New function.
2076 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2078 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2080 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2082 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2083 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2084 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2085 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2086 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2087 determine the size of Wtype, etc.
2088 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2089 (swfloatfuncs): New variable.
2090 (dwfloatfuncs): Likewise.
2091 (lib2funcs): Remove floating-point conversion functions from
2092 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2093 the set of conversion routines needed. Allow entries to specify
2094 an object name, filename and word size. Update users accordingly.
2095 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2096 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2100 2006-02-08 Roger Sayle <roger@eyesopen.com>
2103 * config/fixtfdi.c: New libgcc source file.
2104 * config/fixunstfdi.c: New source file.
2105 * config/floatditf.c: New source file.
2106 * config/floatunditf.c: New souce file.
2107 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2108 files above instead of config/mips/_tilib.c.
2109 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2111 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2113 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2114 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2116 2006-05-18 Mike Stump <mrs@apple.com>
2118 Fix up vla, vm and [*] sematics.
2124 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2125 (c_vla_unspec_p): Add.
2126 (c_vla_type_p): Add.
2127 * c-decl.c (struct c_scope): Add had_vla_unspec.
2128 (build_array_declarator): Add support for [*].
2129 (grokdeclarator): Likewise.
2130 (grokparms): Likewise.
2131 (get_parm_info): Likewise.
2132 * c-objc-common.c (c_vla_unspec_p): Likewise.
2133 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2134 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2135 typeof when argument is a variably modified type not inside sizeof or alignof.
2136 (c_parser_direct_declarator_inner): Propagate errors.
2137 (c_parser_sizeof_expression): Add support for [*].
2138 (c_parser_parms_declarator): Initialize had_vla_unspec.
2139 (c_parser_parms_list_declarator): Likewise.
2140 * c-typeck.c (c_vla_type_p): Add.
2141 (composite_type): Add support for vla compositing.
2142 (comptypes_internal): Add support for vla compatibility.
2143 (c_expr_sizeof_expr): Evaluate vla arguments.
2144 * tree.c (variably_modified_type_p): Update comment for [*].
2146 2006-05-18 Michael Matz <matz@suse.de>
2149 * config.host: Make assignments to host_xmake_file cumulative.
2150 * config.host (*-darwin*): Test $host, not $target.
2152 2006-05-12 Stuart Hastings <stuart@apple.com>
2154 * config/i386/i386.opt (-mstackrealign): New flag.
2155 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2156 (ix86_handle_cconv_attribute): Emit error when
2157 force_align_arg_pointer attribute collides with too many regparms.
2158 (ix86_function_regparm): Limit regparms when used with
2159 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2160 Support stack-realigning prologue in non-main functions. Emit
2161 warning for nested functions under -mstackrealign, emit error for
2162 nested functions with force_align_arg_pointer attribute.
2163 * doc/extend.texi (force_align_arg_pointer): Document it.
2164 * doc/invoke.texi (-mstackrealign): Document it.
2166 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2168 PR rtl-optimization/27477
2169 * combine.c (try_combine): Don't split a parallel consisting
2170 of two sets into two individual sets if both sets reference
2173 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2175 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2176 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2178 * doc/options.texi (VarExists): Updated.
2180 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2182 * unwind-dw2.c: Add declarations for uw_update_context and
2184 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2185 detected, advance frame state and context once to skip over stub.
2187 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2191 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2192 Call rewrite_into_loop_closed_ssa only when something changed.
2193 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2194 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2195 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2196 Test for perfect_nest_p here. Fix formating.
2197 (replace_uses_equiv_to_x_with_y): Fix formating.
2198 (stmt_uses_op): Removed.
2199 (can_convert_to_perfect_nest): Removed loopivs parameter.
2200 Complete the test by checking the scalar dependences.
2201 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2204 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2207 From Dan Kegel <dank@kegel.com>:
2208 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2210 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2212 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2213 if the element type is variably modified without recursing.
2215 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2218 * tree-loop-linear.c (try_interchange_loops): Test for
2219 no data dependences.
2221 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2223 PR tree-optimization/27548
2224 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2225 range of ssa names that appear on abnormal edges.
2226 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2227 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2229 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2232 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2234 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2237 * tree.h (OMP_PARALLEL_COMBINED): Define.
2238 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2239 (new_omp_context): Add is_combined_parallel argument.
2240 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2241 new_omp_context caller.
2242 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2243 Adjust gimplify_scan_omp_clauses callers.
2244 (omp_is_private): Issue errors if iteration variable is firstprivate
2245 or reduction in the current context.
2246 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2247 on combined parallel workshare constructs.
2249 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2251 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2252 (gcc-options.o): New rule.
2254 * optc-gen.awk: Protect variables for gcc-options.o with
2255 #ifdef GCC_DRIVER/#endif.
2257 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2259 Fix PR tree-optimization/27373
2260 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2261 (forward_propagate_addr_expr): Update call.
2263 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2265 * doc/options.texi: Move the Negative option.
2267 2006-05-16 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/22303
2270 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2272 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2273 ccp_fold did not simplify the statement.
2275 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2278 * Makefile.in (GCC_OBJS): New.
2279 (OBJS-common): Add opts-common.o.
2280 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2281 (cpp$(exeext)): Likewise.
2282 (gcc.o): Also depend on opts.h.
2283 (opts-common.o): New.
2285 * common.opt (gcoff): Add Negative(gdwarf-2).
2286 (gdwarf-2): Add Negative(gstabs).
2287 (gstabs): Add Negative(gstabs+).
2288 (gstabs+): Add Negative(gvms).
2289 (gvms): Add Negative(gxcoff).
2290 (gxcoff): Add Negative(gxcoff+).
2291 (gxcoff+): Add Negative(gcoff).
2292 * config/i386/i386.opt (m32): Add Negative(m64).
2293 (m64): Add Negative(m32).
2295 * doc/options.texi: Document the Negative option.
2297 * gcc.c: Include "opts.h".
2298 (main): Call prune_options after expandargv.
2300 * optc-gen.awk: Generate common declarations for all flag
2301 variables in options.c. Output the neg_index field.
2303 * opts.c (find_opt): Moved to ...
2304 * opts-common.c: Here. New file.
2306 * opts.h (cl_option): Add a neg_index field.
2308 (prune_options): Likewise.
2310 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2313 * omp-low.c (expand_omp_parallel): Don't assert
2314 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2315 instead search for it.
2318 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2321 2006-05-16 Andreas Schwab <schwab@suse.de>
2323 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2326 2006-05-15 Roger Sayle <roger@eyesopen.com>
2329 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2330 integer constants other than zero are only legitimate on TARGET_64BIT.
2331 <CONST_VECTOR> Only zero vectors are legitimate.
2332 (ix86_cannot_force_const_mem): Integral and vector constants can
2333 always be put in the constant pool.
2335 2006-05-16 DJ Delorie <dj@redhat.com>
2337 * crtstuff.c (__dso_handle): Set section from
2338 TARGET_LBIGCC_SDATA_SECTION if defined.
2339 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2340 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2342 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2345 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2348 2006-05-16 Ben Elliston <bje@au.ibm.com>
2350 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2352 2006-05-15 Per Bothner <per@bothner.com>
2354 * tree.c: (last_annotated_node): Use source_locus typedef.
2355 This permits bootstrapping with --enable-mapped-location.
2357 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2359 PR tree-optimization/26830
2360 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2361 (info_for_ssa_name, current_info_for_ssa_name_age,
2362 blocks_to_update): New variables.
2363 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2364 (clear_ssa_name_info, initialize_flags_in_bb,
2365 mark_block_for_update): New functions.
2366 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2367 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2368 prepare_def_site_for): Use mark_block_for_update.
2369 (mark_def_interesting): Assert that the processed block is marked in
2370 blocks_to_update. Do not take blocks argument.
2371 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2373 (rewrite_update_init_block, rewrite_update_stmt): Only process
2374 blocks with statements to rewrite.
2375 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2376 (update_ssa): Initialize and free blocks_to_update. Do not
2377 clear flags on statements. Do not use blocks bitmap.
2378 * tree.h (SSA_NAME_AUX): Removed.
2379 (struct tree_ssa_name): Removed aux field.
2380 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2382 2006-05-15 Richard Guenther <rguenther@suse.de>
2384 PR tree-optimization/27603
2385 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2386 Do computations in original type.
2388 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2390 * see.c: Code style changes such as redundant paranthesis,
2391 redundant intialization of local variables etc.
2392 (see_main): Declared now as static.
2393 * doc/invoke.texi: Update that -fsee is not enabled by
2396 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2398 * omp-low.c (check_omp_nesting_restrictions): New function.
2399 (scan_omp_1): Call it.
2402 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2403 construct, return *VAR.
2405 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2407 PR rtl-optimization/27406
2408 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2411 2006-05-14 Roger Sayle <roger@eyesopen.com>
2413 PR rtl-optimization/27538
2414 * combine.c (expand_compound_operation): Call gen_lowpart
2415 before calling simplify_shift_const.
2417 2006-05-14 Roger Sayle <roger@eyesopen.com>
2419 PR rtl-optimization/22563
2420 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2421 a fixed width bitfield, always force the intermediates into psuedos.
2423 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2426 * mkconfig.sh: Use operator = instead of == for test.
2428 2006-05-13 Nick Clifton <nickc@redhat.com>
2430 * dwarf2out.c (dbx_reg_number): Check return value from
2431 LEAF_REG_REMAP and only use it if it is valid.
2432 (multiple_reg_loc_descriptor): Likewise.
2434 2006-05-13 Richard Guenther <rguenther@suse.de>
2436 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2439 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2441 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2442 information attached to non-INSNs such as NOTEs.
2443 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2445 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2447 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2449 * config/s390/s390.md: Adjust comment describing On constraint.
2451 2006-05-11 Jan Hubicka <jh@suse.cz>
2453 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2454 to be output at -O0.
2456 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2459 * fold-const.c (size_binop): Move sanity check for arguments to
2460 the beginning of the function.
2463 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2466 2006-05-11 Richard Guenther <rguenther@suse.de>
2469 * fold-const.c (fold_unary): Handle intermediate conversion
2470 to a pointer type like intermediate conversion to an integer
2471 type in folding of (T1)(T2)var to var.
2472 Match the code to the comment in the final conversion for
2473 (T1)(T2)var to (T1)var regarding to type precision. Rather
2474 than disallow T1 being of pointer type, assert that both T1
2475 and var are of pointer type or not. Make sure not to fall
2476 over the frontends lazyness wrt array to pointer decay though.
2478 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2480 * arm.c (arm_struct_value_rtx): Delete.
2481 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2482 (arm_init_cumulative_args): Always initialize nregs to zero.
2484 2006-05-10 Richard Guenther <rguenther@suse.de>
2486 PR tree-optimization/27532
2487 * tree-object-size.c (plus_expr_object_size): Fix typo.
2489 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2492 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2493 ashrdi_const, ashrdi3): Use a scratch register.
2495 2006-05-10 Richard Guenther <rguenther@suse.de>
2497 PR tree-optimization/27302
2498 * fold-const.c (operand_equal_p): For two comparisons,
2499 try comparison of one comparison code swapped if that yields
2502 2006-05-10 Ben Elliston <bje@au.ibm.com>
2504 * tree-pretty-print.c (pretty_print_string): No need to handle
2505 '\0' as a special character.
2507 * tree.h: Include "hashtab.h".
2508 (iterative_hash_expr): Use hashval_t in its prototype.
2509 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2511 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2514 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2515 (hppa*64*-*-hpux11*): Ditto.
2516 (hppa[12]*-*-hpux11*): Ditto.
2518 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2521 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2523 2006-05-09 Michael Matz <matz@suse.de>
2525 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2526 host_extra_gcc_objs and host_xmake_file.
2527 (<*-*-linux*>): Don't overwrite host_xmake_file.
2528 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2529 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2530 (host_detect_local_cpu): Declare.
2531 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2532 * config/i386/i386.c (override_options): Handle -mtune=native
2534 * config/i386/x-i386: New file.
2535 * config/i386/driver-i386.c: New file.
2536 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2539 2006-05-09 Dirk Mueller <dmueller@suse.de>
2540 Richard Guenther <rguenther@suse.de>
2543 * fold-const.c (fold_read_from_constant_string): Relax check
2544 for matching types to matching modes.
2546 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2548 PR rtl-optimization/27335
2549 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2552 2006-05-08 Chao-ying Fu <fu@mips.com>
2553 Richard Sandiford <richard@codesourcery.com>
2555 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2556 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2557 * config/mips/mips.md (UNSPEC_SCC): New constant.
2558 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2559 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2560 (mips_emit_compare): Use it.
2561 (mips_expand_vcondv2sf): New function.
2563 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2565 Fix PR tree-optimization/27093
2566 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2567 renaming when they become not-used_alone.
2569 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2571 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2572 relocation and relocation stubs.
2574 2006-05-08 Eric Christopher <echristo@apple.com>
2576 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2579 2006-05-08 Jan Hubicka <jh@suse.cz>
2582 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2583 unused static functions are needed.
2585 2006-05-08 Roger Sayle <roger@eyesopen.com>
2588 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2589 of a reg_equiv_constant if the result is a legitimate constant.
2591 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2594 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2595 standard 80387 constants, raise the cost to prevent
2596 compress_float_constant() to generate load from memory.
2598 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2600 * config/arm/constraints.md (c): Fix a typo.
2602 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2605 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2608 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2610 (_mm_mwait): Likewise.
2612 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2614 (sse3_monitor): Make it 32bit only.
2615 (sse3_monitor64): New. 64bit monitor.
2617 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2620 * config/i386/i386.c (classify_argument): Skip fields with invalid
2623 2006-05-07 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/27409
2626 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2627 Do not try to find zero-sized subvars.
2629 2006-05-07 Richard Guenther <rguenther@suse.de>
2631 PR tree-optimization/27136
2632 * tree-ssa-loop-niter.c (get_val_for): Correct function
2633 comment, assert requirements.
2634 (loop_niter_by_eval): Stop processing if the iterated
2635 value did not simplify.
2637 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2639 * opts.c (flag_see): remove its setting at -O3.
2641 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2643 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2644 * arm/constraints.md: New file.
2645 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2646 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2647 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2648 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2649 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2650 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2651 * arm.md: Include constraints.md.
2652 (thumb_movsi_insn): Use satisfies_constraint_J.
2653 (movhi, movqi): Use satisfies_constraint_I.
2655 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2657 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2658 for atmeg a645 device.
2660 2006-05-06 Richard Guenther <rguenther@suse.de>
2662 PR tree-optimization/27151
2663 * tree-vect-transform.c (vectorizable_condition): Punt on
2664 values that have a different type than the condition.
2666 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2669 * c-parser.c (c_parser_cast_expression): Only insert casts into
2670 hash table if pointer.
2671 * function.c (used_types_insert_helper): Rename from
2673 (used_types_insert): Call used_types_insert_helper.
2674 * function.h (used_types_insert): Accept only one argument.
2676 2006-05-05 David Edelsohn <edesohn@gnu.org>
2678 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2679 scratch with output modifier.
2681 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2684 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2685 with output modifier.
2687 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2690 * config/mips/mips.c (mips_symbolic_address_p): Return true
2691 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2692 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2694 2006-05-04 Richard Guenther <rguenther@suse.de>
2696 PR tree-optimization/14287
2697 PR tree-optimization/14844
2698 PR tree-optimization/19792
2699 PR tree-optimization/21608
2700 PR tree-optimization/27090
2701 * tree-ssa-pre.c (try_combine_conversion): New function.
2702 (compute_avail): After constructing the value-handle
2703 expression, use try_combine_conversion to combine NOP_EXPRs
2704 with previous value-handle expressions and use the result if it
2707 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2709 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2711 2006-05-04 Jan Hubicka <jh@suse.cz>
2714 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2716 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2718 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2719 that this only matches CONST_INTs. All users changed to VOIDmode
2722 * config/bfin/bfin.c: Include "optabs.h".
2723 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2725 (enum bfin_builtins): Add a number of fractional and vector builtins.
2726 (bfin_init_builtins): Likewise.
2727 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2728 (safe_vector_operand, bfin_expand_binop_builtin,
2729 bfin_expand_unop_builtin): New functions.
2730 (bfin_expand_builtin): Handle the new builtins.
2731 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2734 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2737 * Makefile.in (OBJS-common): Add see.o.
2738 (see.o): Add dependencies.
2739 * common.opt (fsee): New flag for the see optimization was added.
2740 * opts.c (flag_see): Initialized.
2741 * passes.c (init_optimization_passes, pass_see): New pass.
2742 * rtl.h (see_main): Declaration as extern.
2743 * timevar.def (TV_SEE): New.
2744 * tree-pass.h (pass_see): Declaration as extern.
2745 * invoke.texi (-fsee): Document.
2746 * recog.c (validate_simplify_insn): New function.
2747 * recog.h (validate_simplify_insn): Declaration as extern.
2748 * df-problems.c (df_chain_dump): Check for NULL.
2750 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2751 Daniel Berlin <dberlin@dberlin.org>
2753 * cfgrtl.c (insert_insn_bb_end_new): New function.
2754 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2756 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2758 * df.h (struct web_entry): Moved from web.c.
2759 (union_defs): Declaration as extern.
2760 (unionfind_root): Likewise.
2761 (unionfind_union): Likewise.
2762 * web.c (struct web_entry): Moved to df.h.
2763 (unionfind_root): Remove static declaration.
2764 (unionfind_union): Likewise.
2765 (union_defs): Likewise and generalize to use callback function.
2766 (web_main): Update arguments for union_defs function call.
2768 2006-05-04 Richard Guenther <rguenther@suse.de>
2770 PR tree-optimization/26447
2771 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2772 produce SSA_NAME copies before the store stmt to avoid
2773 breaking exception handling.
2775 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2778 * gimplify.c (omp_is_private): If var is shared in some outer context,
2779 return false instead of true. Stop searching on parallel context
2782 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2785 * coverage.c: Use get_gcov_unsigned_t() instead of
2786 unsigned_type_node all over.
2788 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2790 PR tree-optimization/27381
2791 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2792 maintain the same immediate_use links.
2793 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2794 node rather than segfaulting.
2796 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2799 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2800 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2801 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2803 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2805 Fix PR tree-optimization/26626
2806 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2808 * tree-ssa-operands.c (access_can_touch_variable): Allow
2809 typecasting through union pointers.
2811 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2814 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2815 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2816 to find if var will be a global variable even in the nested context.
2817 (omp_copy_decl): Only check for global variable at the end, it might
2818 be overridden in outer contexts.
2819 (scan_sharing_clauses): For global variables don't create a field.
2820 (lower_rec_input_clauses): Do nothing for global shared variables.
2821 Emit a barrier at the end of ILIST if there were any decls in both
2822 firstprivate and lastprivate clauses.
2823 (lower_send_clauses): Do nothing for global variables except for
2826 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2828 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2829 of the correct signedness is returned.
2831 2006-05-02 Jeff Law <law@redhat.com>
2833 PR tree-optimization/27364
2834 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2835 multiply expressions.
2837 2006-05-02 Tom Tromey <tromey@redhat.com>
2839 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2841 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2844 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2845 -mthumb -fPIC are used.
2847 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2848 Joshua Kinard <kumba@gentoo.org>
2851 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2852 with 64-bit pointers.
2854 2006-05-02 Paul Brook <paul@codesourcery.com>
2856 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2858 (create_fix_barrier): Check that a suitable barrier location is
2860 (arm_reorg): Include ftmp->address in allowable range of addresses.
2862 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2865 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2868 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2871 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2872 around RESULT_DECL for result passed by reference.
2873 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2874 * omp-low.c (use_pointer_for_field): Don't look at
2875 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2876 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2877 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2878 time or var for passing by reference for
2879 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2880 TREE_ADDRESSABLE variables when passing by reference.
2882 * omp-low.c (dump_omp_region): Fix output formatting.
2885 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2886 (expand_omp_parallel): Likewise.
2887 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2890 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2891 on statement list containing also constructors and destructors.
2892 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2895 * except.c (duplicate_eh_regions): Fix clearing of
2896 cfun->eh->region_array entries.
2898 2006-05-01 DJ Delorie <dj@redhat.com>
2900 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2902 (gcc_cv_objdump): Likewise.
2903 * configure: Regenerated.
2905 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2908 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2909 templates for case 3 and 4.
2911 2006-05-01 DJ Delorie <dj@redhat.com>
2913 * vec.c: Include bconfig.h when appropriate.
2914 * Makefile.in (build/vec.o): Adjust dependencies.
2915 * mkconfig.sh: Make sure config.h isn't used for build machine
2918 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2920 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2922 (mark_phi_for_rewrite): New function.
2923 (insert_phi_nodes_for, mark_use_interesting): Call
2924 mark_phi_for_rewrite.
2925 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2926 (update_ssa): Initialize and free phis_to_rewrite.
2928 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2930 PR rtl-optimization/27291
2931 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2932 folded to a constant.
2934 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2936 PR tree-optimization/27283
2937 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2938 not whole # of iteration descriptions.
2939 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2940 uses abnormal ssa name.
2941 (niter_for_single_dom_exit): Ditto.
2942 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2943 return just the number of iterations.
2945 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2947 PR tree-optimization/27144
2948 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2949 (record_estimate): Only record constant upper bound.
2950 (infer_loop_bounds_from_undefined): Call
2951 compute_estimated_nb_iterations just once.
2952 (proved_non_wrapping_p): Renamed to ...
2953 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2954 (convert_step_widening, scev_probably_wraps_p): Call
2955 n_of_executions_at_most instead of proved_non_wrapping_p.
2956 (substitute_in_loop_info): Do not replace values in bounds.
2957 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2960 2006-05-01 Richard Henderson <rth@redhat.com>
2963 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2964 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2967 2006-05-01 Roger Sayle <roger@eyesopen.com>
2969 * c-typeck.c (parser_build_binary_op): Don't call the function
2970 unsigned_conversion_warning to spot operand/result type overflow.
2971 (build_binary_op): Instead, call convert_and_check instead of
2972 convert to report the problem when the operands are promoted.
2973 * c-common.c (unsigned_conversion_warning): Make static.
2974 * c-common.h (unsigned_conversion_warning): Delete prototype.
2976 2006-05-01 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/26726
2979 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2981 (find_interesting_uses_address): ... we work around here
2982 by folding INDIRECT_REFs in the substituted base.
2984 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2986 * omp-low.c (dump_omp_region): Add newlines.
2988 2006-04-30 Roger Sayle <roger@eyesopen.com>
2990 * common.opt (Woverflow): New command line option.
2991 * c-common.c (constant_expression_warning): Check warn_overflow.
2992 (overflow_waring): Pass OPT_Woverflow to warning.
2993 (unsigned_conversion_warning): Likewise.
2994 (convert_and_check): Likewise.
2995 * doc/invoke.texi: Document new command line option.
2997 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2999 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3000 TARGET_NO_FP_IN_TOC for section anchors.
3001 (optimization_options): Enable section anchors for all
3002 non-"Objective" languages.
3004 2006-04-28 Eric Christopher <echristo@apple.com>
3006 * config/darwin-c.c (darwin_ms_struct): Move this
3007 (darwin_set_default_type_attributes): and this...
3008 * config/darwin.c: ... here.
3009 * config/darwin.h (darwin_ms_struct): Declare.
3011 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3013 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3015 2006-04-28 Roger Sayle <roger@eyesopen.com>
3018 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3019 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3020 an unsigned HOST_WIDE_INT.
3021 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3023 (really_start_incremental_init): No need to call convert because
3024 bitsize_zero_node is already of type bitsizetype.
3025 (push_init_level): Extract the value of constructor_index as an
3026 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3027 (process_init_element): Likewise.
3029 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3031 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3032 value before passing to make_relative_prefix.
3034 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3037 * builtins.c (expand_builtin_memset): Expand val in original mode.
3039 2006-04-27 Eric Christopher <echristo@apple.com>
3041 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3042 with #ifndef/#endif.
3043 * config/darwin-c.c (darwin_ms_struct): New.
3044 (darwin_pragma_ms_struct): Ditto.
3045 (darwin_set_default_type_attributes): Ditto.
3046 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3047 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3048 Register ms_struct pragma.
3049 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3050 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3051 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3052 darwin_set_default_type_attributes if TARGET_MACHO.
3054 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3056 PR tree-optimization/26854
3057 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3058 * doc/tree-ssa.texi: Update immuse iterator documentation.
3059 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3061 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3062 first_safe_imm_use, next_safe_imm_use): Remove.
3063 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3064 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3065 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3066 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3067 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3068 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3069 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3070 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3071 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3072 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3073 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3074 (perfect_nestify): Use new iterator.
3075 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3077 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3078 (next_imm_name): New field in struct immediate_use_iterator_d.
3079 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3080 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3081 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3082 * tree-cfg.c (replace_uses_by): Use new iterator.
3083 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3084 * tree-ssa-operands.c (correct_use_link): Remove.
3085 (finalize_ssa_use_ops): No longer call correct_use_link.
3087 2006-04-27 Stuart Hastings <stuart@apple.com>
3089 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3090 * config/t-darwin (crt3.o): Use it.
3091 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3092 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3093 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3094 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3095 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3098 2006-04-27 Roger Sayle <roger@eyesopen.com>
3100 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3101 size, force the intermediate into a new pseudo rather instead of
3102 performing both a bitwise AND and a bitwise IOR in memory.
3104 2006-04-27 Richard Guenther <rguenther@suse.de>
3106 PR rtl-optimization/26685
3107 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3108 this one "max-flow-memory-locations".
3110 2006-04-27 Richard Guenther <rguenther@suse.de>
3112 PR tree-optimization/25148
3113 * tree-vrp.c (compare_values): Remove code dealing with
3114 comparisons against type min/max value. Honour overflow
3115 and negative constants in code dealing with comparisons
3116 of plus and minus expressions.
3117 (value_inside_range): Use fold_binary with LE_EXPR and
3118 GE_EXPR rather than compare_values.
3120 2006-04-27 Dirk Mueller <dmueller@suse.de>
3122 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3125 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3127 * basic-block.h (safe_insert_insn_on_edge): Removed.
3128 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3130 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3131 Paolo Bonzini <bonzini@gnu.org>
3134 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3135 (simplify_and_const_int): Same.
3137 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3139 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3141 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3144 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3145 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3146 cgraph_global_info_ready.
3149 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3152 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3153 either decl or init is error_mark_node.
3156 * tree-flow.h (struct omp_region): Add sched_kind.
3157 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3158 instead of extracting omp for data.
3159 (expand_omp_for): Save extracted sched_kind.
3161 2006-04-25 Roger Sayle <roger@eyesopen.com>
3163 * expmed.c (store_bit_field): Also check whether the bitsize is
3164 valid for the machine's "insv" instruction before moving the
3165 target into a pseudo for use with the insv.
3166 * config/i386/predicates.md (const8_operand): New predicate.
3167 * config/i386/i386.md (extv, extzv, insv): Use the new
3168 const8_operand predicate where appropriate.
3170 2006-04-25 DJ Delorie <dj@redhat.com>
3172 * doc/install.texi (Specific): Clarify that this is not a list of
3173 supported hosts or targets.
3175 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3177 PR rtl-optimization/26725
3178 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3179 block's BB_DIRTY flag.
3181 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3183 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3186 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3187 to print an integer.
3189 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3191 * varasm.c (align_variable): New function.
3192 (get_block_for_decl): Apply align_variable to DECL before
3193 calculating section information.
3194 (assemble_variable): Split out alignment computation.
3196 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3198 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3201 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3203 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3204 MODE_PARTIAL_INT mode.
3205 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3206 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3208 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3209 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3211 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3213 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3215 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3216 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3217 MACFLAG_IH): Likewise.
3218 (movstricthi_1): Renamed from "*movstricthi".
3219 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3220 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3221 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3222 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3223 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3224 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3225 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3226 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3227 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3228 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3229 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3230 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3231 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3232 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3233 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3235 * doc/rtl.texi (ss_ashift): Improve wording.
3237 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3239 * dwarf2out.c (verify_marks_clear): New.
3240 (prune_unused_types): Call verify_marks_clear initially, not
3243 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3245 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3246 * doc/rtl.texi: Document them.
3247 * simplify-rtx.c (simplify_unary_operation,
3248 simplify_binary_operation_1): Don't abort when we see them.
3250 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3253 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3254 * configure.ac: Completely disregard languages that are not
3256 * configure: Regenerated.
3258 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3259 Richard Guenther <rguenther@suse.de>
3261 PR tree-optimization/27236
3262 * tree-inline.c (copy_body_r): Make sure to copy
3263 TREE_THIS_VOLATILE flag.
3265 2006-04-24 Richard Guenther <rguenther@suse.de>
3268 * tree-complex.c (update_parameter_components): Don't handle
3269 unused parameters which have no default def.
3271 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3272 Richard Guenther <rguenther@suse.de>
3274 PR tree-optimization/27218
3275 * tree-inline.c (expand_call_inline): Strip useless type
3276 conversions for the return slot address.
3278 2006-04-24 Richard Guenther <rguenther@suse.de>
3280 * cfgloop.h (struct loops): Remove unused field array. Reorder
3282 (LOOP_PREFETCH): Remove.
3284 2006-04-24 Richard Guenther <rguenther@suse.de>
3286 PR tree-optimization/22525
3287 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3288 variable, adjust types of generated expressions.
3290 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3292 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3293 (tree-vect-patterns.o): Likewise.
3295 (cselib.o): Likewise.
3296 (loop-doloop.o): Likewise.
3297 (regclass.o): Likewise.
3298 (reload1.o): Likewise.
3299 (explow.o): Replace target.h with $(TARGET_H).
3300 (ipa-prop.o): Likewise.
3301 (ipa-cp.o): Likewise.
3302 (ipa-inline.o): Likewise.
3303 (reorg.o): Likewise.
3304 (reg-stack.o): Likewise.
3306 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3308 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3310 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3312 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3314 * configure.ac: Completely disregard languages that are not
3316 * configure: Regenerated.
3319 * c-common.h (c_build_bitfield_integer_type): Declare.
3320 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3321 * c-common.c (c_build_bitfield_integer_type): ... here.
3323 2006-04-23 Roger Sayle <roger@eyesopen.com>
3326 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3327 a SImode SUBREG of a floating point register after no_new_pseudos.
3329 2006-04-23 Roger Sayle <roger@eyesopen.com>
3331 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3332 identify potentially eliminable registers to additionally catch
3333 VIRTUAL_INCOMING_ARGS_REGNUM.
3334 (addsi3): Update the conditions on when to use addsi_small_int.
3336 2006-04-23 Roger Sayle <roger@eyesopen.com>
3339 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3340 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3341 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3343 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3345 * fold-const.c (range_predecessor): Use operand_equal_p
3346 as the predicate for equality.
3347 (range_successor): Likewise.
3349 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3352 * config/soft-fp/op-common.h: Fix a typo.
3354 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3357 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3358 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3360 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3362 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3364 * doc/tm.texi: Fix a typo.
3366 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3368 * dwarf2out.c (struct die_struct): Document that die_sib makes
3369 a circular linked list.
3370 (FOR_EACH_CHILD): New.
3371 (reverse_die_lists): Delete.
3372 (reverse_all_dies): Delete.
3373 (add_dwarf_attr): Correct documentation.
3374 (remove_child_with_prev): New.
3375 (remove_child_TAG): Update for change to die_struct, use
3376 remove_child_with_prev.
3377 (add_child_die): Update for change to die_struct.
3378 (splice_child_die): Use remove_child_with_prev and add_child_die.
3379 (print_die): Use FOR_EACH_CHILD.
3380 (die_checksum): Likewise.
3381 (assign_symbol_names): Likewise.
3382 (output_location_lists): Likewise.
3383 (build_abbrev_table): Likewise.
3384 (calc_die_sizes): Likewise.
3385 (mark_dies): Likewise.
3386 (unmark_dies): Likewise.
3387 (unmark_all_dies): Likewise.
3388 (output_die): Likewise.
3389 (prune_unused_types_mark): Likewise.
3390 (prune_unused_types_walk): Likewise.
3391 (same_die_p): Update for change to die_struct.
3392 (break_out_includes): Likewise.
3393 (prune_unused_types_prune): Likewise.
3394 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3395 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3397 (dwarf2out_finish): Don't call reverse_all_dies.
3399 2006-04-21 Eric Christopher <echristo@apple.com>
3401 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3402 in comments and function names.
3404 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3407 * c-typeck.c (digest_init): Robustify.
3409 * c-typeck.c (pop_init_level): Simplify.
3411 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3413 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3415 2006-04-21 Paul Brook <paul@codesourcery.com>
3417 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3418 hardware floating point.
3420 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3422 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3425 2006-04-21 Nick Clifton <nickc@redhat.com>
3427 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3430 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3433 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3434 C++ lang type in traceback table for Objective-C++.
3436 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3438 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3440 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3442 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3445 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3446 were errors. Remove check for erroneous objects.
3448 2006-04-20 Jeff Law <law@redhat.com>
3450 PR tree-optimization/26854
3451 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3452 checking for zero or one use.
3453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3454 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3455 * tree-ssa-reassoc.c (negate_value): Similarly.
3456 (reassociate_bb): Similarly.
3458 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3460 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3461 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3462 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3464 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3466 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3467 fp regs if the last fp arg doesn't fit in regs.
3469 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3472 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3473 that the last insn has the REG_INC note.
3475 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3476 Nathan Sidwell <nathan@codesourcery.com>
3479 * stor-layout.c (update_alignment_for_field): Do not align
3481 (place_union_field): Place union field at the start of the union.
3482 (place_field): Move ERROR_MARK check later, and use the current
3483 allocation position to maintain monotonicity.
3485 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3487 * dominance.c: Include timevar.h.
3488 (calculate_dominance_info): Use TV_DOMINANCE.
3489 * timevar.def (TV_DOMINANCE): New timevar.
3490 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3492 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3494 PR rtl-optimization/14261
3495 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3496 move would be an INSV insn.
3497 (noce_process_if_block): Don't optimize if the destination is a
3498 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3500 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3502 * config/s390/s390.md: Add comments with the instructions emitted
3503 by an insn pattern if macros are used.
3505 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3507 PR rtl-optimization/26026
3508 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3509 is a known power of two shifted left a variable amount.
3511 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3513 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3514 to hash table twice when the debug_str section has SECTION_MERGE.
3516 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3518 * config/soft-fp: New directory. From glibc.
3519 * config/soft-fp/t-softfp: New.
3520 * config/soft-fp/README: New.
3521 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3522 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3523 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3524 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3525 * config.gcc: Use rs6000/t-fprules-fpbit or
3526 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3528 * config/rs6000/sfp-machine.h: New. Based on glibc.
3529 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3531 * config/rs6000/t-fprules: Remove fp-bit rules.
3532 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3533 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3534 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3535 (softfp_wrap_start, softfp_wrap_end): New.
3537 2006-04-18 DJ Delorie <dj@redhat.com>
3539 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3541 2006-04-18 Devang Patel <dpatel@apple.com>
3543 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3545 2006-04-18 Nick Clifton <nickc@redhat.com>
3547 * config/sh/t-symbian: Add rule to build sh-c.o
3548 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3549 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3550 (sh_symbian_encode_section_info): Likewise.
3552 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3554 * builtins.c (expand_builtin_strcmp): Cover label definition of
3555 do_libcall with HAVE_cmpstrnsi.
3557 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3559 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3561 * function.h (temp_slot_p): New.
3562 (function): Change the type of x_used_temp_slots to
3563 VEC(temp_slot_p,gc) *.
3565 2006-04-18 Nick Clifton <nickc@redhat.com>
3567 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3568 flag_strength_reduce.
3570 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3572 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3576 Partial revert of revision 112637
3577 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3578 Dale Johannesen <dalej@apple.com>
3581 * regclass.c (struct reg_pref): Update documentation.
3582 (regclass): Set prefclass to NO_REGS if memory is the best option.
3583 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3585 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3587 PR tree-optimization/26821
3588 * tree-ssa-math-opts.c (get_constant_one): New.
3589 (insert_reciprocals): Use it.
3591 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3593 * dwarf2out.c (free_AT): Delete.
3594 (remove_AT): Update string ref counts.
3595 (remove_child_TAG): Don't call free_die.
3597 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3598 or DW_TAG_GNU_EINCL.
3599 (prune_unused_types_walk_attribs): Reset string refcounts.
3600 (prune_unused_types_update_strings): New.
3601 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3602 call free_die. Do call prune_unused_types_update_strings.
3603 (prune_unused_types): Empty debug_str_hash.
3605 2006-04-17 Roger Sayle <roger@eyesopen.com>
3607 * expr.c (expand_assignment): Optimize away no-op moves where the
3608 source and destination are equal and have no side-effects.
3610 2006-04-17 Richard Guenther <rguenther@suse.de>
3613 * reload.c (push_reload): Guard calls to get_secondary_mem
3616 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3618 * alias.c (reg_base_value, old_reg_base_value): Change the
3619 type to VEC(rtx,gc) *.
3620 (REG_BASE_VALUE, find_base_value, record_set,
3621 init_alias_analysis): Use VEC instead of VARRAY.
3623 * alias.c (alias_sets): Change the type to
3624 VEC(alias_set_entry,gc) *.
3625 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3626 VEC instead of VARRAY.
3627 (last_alias_set): Remove.
3629 * cgraph.h (cgraph_edge_p): New.
3630 Update the prototype of cgraph_function_versioning.
3631 * cgraphunit.c (cgraph_copy_node_for_versioning,
3632 cgraph_function_versioning): Use VEC instead of VARRAY.
3633 * ipa-cp.c (ipcp_insert_stage): Likewise.
3635 2006-04-16 Roger Sayle <roger@eyesopen.com>
3638 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3639 "A op B" or "A op C", we may need to convert A to the type of B and C.
3641 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3643 * target.h (struct gcc_target): Add mode_rep_extended.
3644 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3645 (init_num_sign_bit_copies_in_rep): Initialize it using
3647 (truncate_to_mode): Use it.
3648 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3649 * targhooks.h (default_mode_rep_extended): Declare it.
3650 * targhooks.c (default_mode_rep_extended): Define it.
3651 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3652 default_mode_rep_extended.
3653 (TARGET_INITIALIZER): Include it.
3654 * doc/tm.texi (Misc): Document it.
3655 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3656 (mips_truncated_to_mode): New function.
3658 2006-04-16 Roger Sayle <roger@eyesopen.com>
3661 * expr.c (compress_float_constant): Copy the narrow constant into
3662 a new pseudo before extending it to its final width.
3664 2006-04-16 Roger Sayle <roger@eyesopen.com>
3665 Andrew Pinski <pinskia@gcc.gnu.org>
3666 Dale Johannesen <dalej@apple.com>
3669 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3670 special case code to implement V8HImode and V16QImode with SSE2.
3672 2006-04-15 Roger Sayle <roger@eyesopen.com>
3674 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3675 trees are constructed with a suitable tree type.
3677 2006-04-15 Roger Sayle <roger@eyesopen.com>
3679 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3680 (integer_onep): Likewise.
3681 (integer_all_onesp): Likewise.
3682 (integer_pow2p): Likewise.
3683 (integer_nonzerop): Likewise.
3684 (real_zerop): Likewise.
3685 (real_onep): Likewise.
3686 (real_twop): Likewise.
3687 (real_minus_onep): Likewise.
3688 (int_size_in_bytes): Likewise.
3689 (host_integerp): Likewise.
3691 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3693 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3694 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3695 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3697 * tree-ssa-structalias.h (alias_info): Remove num_references.
3699 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3701 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3702 (output_bvb patterns): Likewise.
3703 * pa.c (output_bb): Use 'bb' insn for long branch case.
3704 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3705 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3706 1. Correct length operand for alternatives 1 and 2.
3707 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3708 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3710 2006-04-14 Roger Sayle <roger@eyesopen.com>
3712 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3713 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3714 were accidentally reverted by r112959.
3716 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3719 * except.h (eh_region_outermost): New prototype.
3720 * except.c (eh_region_outermost): New function.
3721 * tree-cfg.c (find_outermost_region_in_block): Use it.
3723 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3725 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3727 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3728 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3729 (init_reload, reload): Use VEC instead of VARRAY.
3730 * reload.h: Update the prototype for
3731 reg_equiv_memory_loc_varray.
3733 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3734 Eric Botcazou <ebotcazou@libertysurf.fr>
3736 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3739 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3742 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3743 to expand fallback builtin function call.
3745 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3748 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3749 and emit libcall here in case the builtin fails.
3750 (expand_builtin_strcmp): Always emit the libcall here on failure.
3752 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3754 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3755 * flow.c (reg_n_info): Change the type to
3756 VEC(reg_info_p,heap) *.
3757 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3759 * regs.h (reg_info_p): New.
3760 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3761 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3762 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3765 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3767 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3769 * params.h (MAX_SCHED_READY_INSNS): New macro.
3770 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3771 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3772 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3773 the ready list for 1 cycle during the first scheduling pass.
3774 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3776 2006-04-13 Richard Henderson <rth@redhat.com>
3779 * gimple-low.c (lower_omp_directive): Remove dead code.
3780 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3781 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3782 * omp-low.c (struct omp_region): Move to tree-flow.h.
3783 (root_omp_region): Export.
3784 (omp_regions, lookup_omp_region): Remove.
3785 (determine_parallel_type): Update for struct omp_region changes.
3786 (dump_omp_region): Dump regions with block numbers.
3787 (new_omp_region): Take type and block instead of stmt; malloc
3789 (free_omp_region_1, free_omp_regions): New.
3790 (expand_parallel_call): Take entry_stmt as argument; update for
3791 changes to omp_region.
3792 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3793 (remove_exit_barriers): New.
3794 (expand_omp_parallel): Update for struct omp_region changes.
3795 (expand_omp_synch): Likewise.
3796 (expand_omp): Likewise.
3797 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3798 (expand_omp_for_static_chunk): Likewise.
3799 (expand_omp_for): Likewise.
3800 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3801 (expand_omp_sections): Similarly, with GOMP_sections_end.
3802 (expand_omp_single): New.
3803 (build_omp_regions_1): Update for OMP_CONTINUE.
3804 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3805 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3806 OMP_SECTIONS_SECTIONS.
3807 (lower_omp_single_simple): Don't emit barrier here.
3808 (lower_omp_single_copy): Likewise.
3809 (lower_omp_single): Fix bindings, and lower to straightline now.
3810 (lower_omp_master, lower_omp_ordered): Likewise.
3811 (lower_omp_critical): Likewise.
3812 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3813 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3814 omp edges, free it afterward.
3815 (make_omp_sections_edges): Remove.
3816 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3817 (move_stmt_r): Handle OMP_CONTINUE.
3818 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3819 statement pointers to basic blocks. Add type member.
3820 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3821 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3822 * tree-inline.c (estimate_num_insns_1): Likewise.
3823 * tree-pretty-print.c (dump_generic_node): Likewise.
3824 * tree-ssa-operands.c (get_expr_operands): Likewise.
3825 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3826 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3827 (OMP_CONTINUE): New.
3828 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3829 (OMP_SECTIONS_SECTIONS): Remove.
3830 (OMP_SECTION_LAST): New.
3831 (OMP_RETURN_NOWAIT): New.
3833 2006-04-13 Roger Sayle <roger@eyesopen.com>
3835 * fold-const.c (native_encode_vector, native_interpret_real):
3836 Correct obvious mistakes in the previous check-in.
3838 2006-04-13 Roger Sayle <roger@eyesopen.com>
3840 * fold-const.c (native_encode_expr): New function to encode
3841 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3842 or VECTOR_CST into a specified buffer.
3843 (native_encode_int): New function.
3844 (native_encode_real): New function.
3845 (native_encode_complex): New function.
3846 (native_encode_vector): New function.
3847 (native_interpret_expr): Inverse of native_encode_expr to convert
3848 a target representation into an INTEGER_CST, REAL_CST etc...
3849 (native_interpret_int): New function.
3850 (native_interpret_real): New function.
3851 (native_interpret_complex): New function.
3852 (native_interpret_vector): New function.
3853 (fold_view_convert_expr): New function to constant fold/evaluate
3854 a VIEW_CONVERT_EXPR of a suitable constant expression.
3855 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3856 Change call of build1 to fold_build1 when constructing a
3859 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3860 Ulrich Weigand <uweigand@de.ibm.com>
3863 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3866 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3869 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3870 optimize to lo_sum for DFmode if !TARGET_FPRS.
3872 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3874 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3875 delete_alias_info, compute_flow_sensitive_aliasing,
3876 group_aliases): Use VEC instead of VARRAY.
3877 * tree-ssa-structalias.c (update_alias_info): Likewise.
3878 * tree-ssa-structalias.h (alias_info): Change the type of
3879 processed_ptrs to VEC(tree,heap) *.
3881 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3884 * config/sh/lib1funcs.h: New file, broken out of:
3885 * config/sh/lib1funcs.asm.
3886 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3888 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3889 * config/sh/lib1funcs-Os-4-200.asm: New file.
3890 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3891 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3892 (EXTRA_MULTILIB_PARTS): Include it.
3893 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3894 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3895 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3896 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3899 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3901 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3902 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3903 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3905 * tree-ssa-live.h: Include vecprim.h.
3906 (tree_partition_associator_d): Change the type of
3907 first_partition to VEC(int,heap) *.
3908 (tpa_first_partition): Use VEC instead of VARRAY.
3910 * Makefile.in (GTFILES): Move functions.h after tree.h.
3911 * function.c (reset_block_changes, record_block_change,
3912 check_block_change, free_block_changes): Use VEC instead of
3914 * function.h (function): Change the type of
3915 ib_boundaries_block to VEC(tree,gc) *.
3916 * tree-inline.c (copy_cfg_body): Initialize
3917 ib_boundaries_block to NULL instead of (varray_type) 0.
3919 2006-04-12 Roger Sayle <roger@eyesopen.com>
3921 * expr.c (emit_group_store): Correct operand order in call to
3922 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3923 a SUBREG_BYTE of zero.
3925 2006-04-12 Richard Guenther <rguenther@suse.de>
3927 * profile.c (compute_branch_probabilities): Remove code
3928 encapsulated in !ir_type (), which are remanents of the
3929 removed RTL profiling code.
3930 * rtl-profile.c: Remove.
3932 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3934 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3935 magic NULL_RTX comment.
3936 (function_arg): Store entire fp arg to mem if any part should go
3938 (rs6000_arg_partial_bytes): Adjust for above change.
3940 2006-04-11 Roger Sayle <roger@eyesopen.com>
3942 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3943 if it hasn't been initialized by dwarf2out_init.
3945 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3947 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3948 symbolic constants in branch patterns.
3950 2006-04-11 Roger Sayle <roger@eyesopen.com>
3952 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3954 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3956 PR rtl-optimization/27073
3957 * gcse.c (try_replace_reg): Revert last change. Continue to search
3958 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3961 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3963 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3964 aggregate types other than record and union types.
3965 (function_arg): Likewise.
3966 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3968 (function_value): In 64-bit mode, return objects that require it
3971 2006-04-11 Roger Sayle <roger@eyesopen.com>
3973 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3975 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3977 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3979 2006-04-03 Jeff Law <law@redhat.com>
3982 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3983 alias information too.
3985 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3987 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3989 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3992 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3993 (premark_used_types_helper): New.
3994 (premark_used_types): New.
3995 (gen_subprogram_die): Call premark_used_types.
3996 (prune_unused_types_walk): Do not prune perennial dies.
3997 * function.c (used_types_insert): New.
3998 * function.h (struct function): Add used_types_hash field.
3999 (used_types_insert): Add prototype.
4000 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4001 * c-parser.c (c_parser_cast_expression): Save casted types in used
4004 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4007 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4008 rs6000_explicit_options.float_gprs.
4010 2006-04-10 Roger Sayle <roger@eyesopen.com>
4012 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4013 from ix86_expand_vector_init_low_nonzero. Take an additional
4014 one_var argument indicating which element is non-zero. Support
4015 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4016 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4017 with one_var instead of ix86_expand_vector_init_low_nonzero.
4019 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4021 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4022 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4023 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4024 build/genextract.o): Depend on vecprim.h.
4025 * cfglayout.c, df-problems.c, function.c, genextract.c,
4026 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4027 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4031 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4033 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4034 Declare VECs of this type.
4035 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4036 (remove_children): Delete.
4037 (add_dwarf_attr): Use VEC routines.
4038 (add_AT_flag): Update for changes to add_dwarf_attr.
4039 (add_AT_int): Likewise.
4040 (add_AT_unsigned): Likewise.
4041 (add_AT_long_long): Likewise.
4042 (add_AT_vec): Likewise.
4043 (add_AT_string): Likewise.
4044 (add_AT_die_ref): Likewise.
4045 (add_AT_fde_ref): Likewise.
4046 (add_AT_loc): Likewise.
4047 (add_AT_loc_list): Likewise.
4048 (add_AT_addr): Likewise.
4049 (add_AT_lbl_id): Likewise.
4050 (add_AT_lineptr): Likewise.
4051 (add_AT_macptr): Likewise.
4052 (add_AT_offset): Likewise.
4053 (add_AT_range_list): Likewise.
4054 (get_AT): Use VEC_iterate.
4055 (remove_AT): Use VEC_ordered_remove.
4056 (free_die): Fold remove_children into here; have it use VEC_iterate.
4057 (print_die): Use VEC_iterate on attrs.
4058 (reverse_die_lists): Don't reverse attr lists.
4059 (die_checksum): Use VEC_iterate on attrs.
4060 (same_die_p): Likewise.
4061 (output_location_lists): Likewise.
4062 (build_abbrev_table): Likewise.
4063 (size_of_die): Likewise.
4064 (unmark_all_dies): Likewise.
4065 (output_abbrev_section): Likewise.
4066 (output_die): Likewise.
4067 (prune_unused_types_walk_attribs): Likewise.
4069 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4071 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4073 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4076 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4078 2006-04-09 Roger Sayle <roger@eyesopen.com>
4080 * expr.c (store_constructor): Don't bother clearing target if
4081 we're about to assign a vector to it using vec_init_optab.
4083 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4085 * tree-ssa-alias.c (lhs_may_store_to): New function.
4086 (recalculate_used_alone): Handle LHS of calls.
4088 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4092 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4093 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4094 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4095 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4096 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4097 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4098 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4099 stubs. Add ".align 8" directives before all ".dword" directives.
4100 (GTHREAD_USE_WEAK): Revise comment.
4101 (TARGET_ATTRIBUTE_WEAK): Define.
4102 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4103 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4104 * stublib.c: New file.
4109 * pa.md (cbranch patterns): Revise arguments used in calls to
4110 output_cbranch, output_bb and output_bvd. Add long branch length
4112 (fbranch patterns): Handle long branches.
4113 (jump): Revise length check. Revise arguments for output_lbranch call.
4114 Add long branch length attributes.
4115 (decrement_and_branch_until_zero): Add long branch length attributes.
4116 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4117 Likewise. Revise arguments for output_parallel_addb and
4118 output_parallel_movb calls.
4119 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4120 output_parallel_movb and output_parallel_addb): Update prototypes.
4121 * pa.c (output_cbranch): Revise arguments. Correct handling of
4122 nullification in long branches.
4123 (output_lbranch): Add new argument to control extraction of delay
4125 (output_bb): Handle long branches.
4126 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4127 output_parallel_addb): Likewise.
4129 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4131 PR rtl-optimization/27073
4132 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4135 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4137 * tree.h (tree_memory_tag): Add old_used_alone.
4138 (SMT_OLD_USED_ALONE): New macro.
4139 * tree-ssa-alias.c (recalculate_used_alone): Stop
4140 marking things for renaming unnecessarily.
4142 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4144 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4145 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4146 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4147 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4148 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4149 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4150 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4151 spelling convensions.
4152 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4153 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4154 typos. Follow spelling conventions.
4156 2006-04-07 DJ Delorie <dj@redhat.com>
4158 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4159 passed on the stack.
4160 (m32c_init_cumulative_args): When a function returns a structure,
4161 always pass the pointer to that return area on the stack.
4162 (m32c_function_arg_advance): Don't increment the parameter number
4163 if we're processing the returned structure pointer.
4164 (pushm_info): Reverse order of registers.
4166 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4168 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4169 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4170 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4171 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4173 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4174 chrec_fold_multiply): Same.
4175 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4176 force_expr_to_var_cost): Same.
4177 * tree-mudflap.c (mf_xform_derefs_1): Same.
4178 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4180 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4182 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4183 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4186 2006-04-07 Jan Hubicka <jh@suse.cz>
4188 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4190 2006-04-07 Richard Guenther <rguenther@suse.de>
4192 PR tree-optimization/26135
4193 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4194 loads for store copy-prop.
4195 (copy_prop_visit_stmt): Likewise.
4197 2006-04-05 Robert Millan <robertmh@gnu.org>
4199 * config/i386/linux.h: Add a comment to mark macros that are
4200 being overriden in config/k*bsd-gnu.h.
4201 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4203 * config/knetbsd-gnu.h: Ditto.
4205 2006-04-06 Jan Hubicka <jh@suse.cz>
4209 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4212 2006-04-06 Mike Stump <mrs@apple.com>
4214 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4215 for HAVE_nonlocal_goto to be consistent.
4216 (expand_builtin_nonlocal_goto): Likewise.
4217 (expand_builtin_strcmp): Use #ifdef instead of #if
4218 for HAVE_cmpstrnsi to be consistent.
4220 2006-04-05 DJ Delorie <dj@redhat.com>
4222 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4225 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4227 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4228 got-relative addressing for anything but SImode.
4230 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4231 even if the calling function doesn't modify them.
4233 2006-04-05 Richard Guenther <rguenther@suse.de>
4235 PR tree-optimization/26919
4236 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4237 to cgraph_estimate_size_after_inlining.
4239 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4241 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4243 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4245 PR tree-optimization/26996
4246 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4247 VECTOR_TYPE variables.
4249 2006-04-05 Richard Guenther <rguenther@suse.de>
4251 PR tree-optimization/26763
4252 * fold-const.c (fold_comparison): Move folding of
4253 PTR + CST CMP PTR + CST ...
4254 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4256 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4258 * doc/install.texi (Prerequisites): Refine some wording on
4259 bootstrapping and ksh.
4260 Move the version numbers of DejaGnu here from the testing section
4261 and fix casing of names.
4262 Fix markup and clarify wording for autogen requirements.
4263 Refer to GCJ instead of just java.
4264 Refer to SVN instead of CVS.
4265 Describe diffutils as useful instead of necessary.
4266 (Downloading the source): Refer to SVN instead of CVS.
4267 Adjust a link to our web site accordingly.
4268 (Configuration): Fix casing of Bison.
4269 (Building): Refer to SVN instead of CVS.
4270 Fix a sentence on the use of Bison and remove duplicate (and
4271 incorrect) version number of Bison requirement.
4272 Remove one redundant list of packages needed for building.
4273 (Specific): Avoid reference to CVS.
4275 2006-04-04 Eric Christopher <echristo@apple.com>
4277 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4278 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4279 (rs6000_handle_struct_attribute): New.
4280 (rs6000_ms_bitfield_layout_p): Ditto.
4282 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4284 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4285 NULL for dso parameter to atexit_common.
4287 2006-04-04 Eric Christopher <echristo@apple.com>
4289 * config/i386/i386.c (machopic_output_stub): Output \t
4290 between instructions and operands.
4292 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4294 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4295 satisfies_constraint_[IL] to explicit tests on value.
4297 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4299 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4300 set_nb_iterations_in_loop): Use build_int_cst instead of
4302 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4303 build_int_cst instead of convert.
4305 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4307 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4308 new value 2 for incoming.
4309 * function.c (expand_function_start): Call struct_value_rtx
4311 * config/sparc/sparc.md: Comment updated_return.
4312 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4313 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4314 struct return if sparc_std_struct_return and incoming is 2.
4315 (print_operand): Do not adjust return if
4316 sparc_std_struct_return.
4318 2006-04-04 Roger Sayle <roger@eyesopen.com>
4320 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4321 convert in the middle-end.
4322 * expr.c (store_expr, store_constructor, get_inner_reference,
4323 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4325 * tree.c (build_range_type): Likewise.
4327 2006-04-04 Tom Tromey <tromey@redhat.com>
4329 * doc/install.texi (Prerequisites): Mention jar.
4331 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4333 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4336 2006-04-04 Matthias Klose <doko@debian.org>
4338 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4339 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4342 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4344 * doc/extend.texi (Function Attributes): Rewrite visibility
4345 attribute documentation.
4346 * doc/invoke.texi (C++ Dialect Options): Rewrite
4347 -fvisibility-inlines-hidden documentation to describe something
4348 entirely different, although in practise compatible.
4349 (Code Gen Options): Warn about system headers in -fvisibility=
4352 * doc/extend.texi (Other Builtins): Document that
4353 __builtin_nan is a compile-time constant only when its argument
4356 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4358 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4359 trying to remove TRUNCATE check if all bits outside the new mode
4360 are identical to the sign bit.
4362 2006-04-03 Jeff Law <law@redhat.com>
4364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4365 and operand scanning in some common cases.
4367 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4368 Dale Johannesen <dalej@apple.com>
4371 * regclass.c (struct reg_pref): Update documentation.
4372 (regclass): Set prefclass to NO_REGS if memory is the best option.
4373 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4374 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4375 into account. For non-registers, equate an empty preferred
4376 reload class to a `!' in the constraint; move the if clause to
4377 do so after those that reject the insn.
4378 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4380 (find_dummy_reload): Likewise.
4381 * doc/tm.texi (Register Classes): Document what it means
4382 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4383 * config/i386/i386.c (ix86_preferred_reload_class): Force
4384 using SSE registers (and return NO_REGS for floating-point
4385 constants) if math is done with SSE.
4386 (ix86_preferred_output_reload_class): New.
4387 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4388 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4389 * config/i386/i386.md: Remove # register preferences.
4391 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4394 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4395 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4396 the type of nb_iter.
4397 (instantiate_parameters_1): Convert the operands before calling
4398 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4399 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4401 2006-04-02 Roger Sayle <roger@eyesopen.com>
4403 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4404 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4406 * dojump.c (do_jump): Likewise.
4407 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4408 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4409 gimplify_boolean_expr): Likewise.
4410 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4411 * varasm.c (array_size_for_constructor): Likewise.
4412 * tree-object-size.c (compute_object_offset): Likewise.
4414 2006-04-02 Roger Sayle <roger@eyesopen.com>
4417 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4418 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4420 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4422 PR tree-optimization/26939
4423 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4425 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4427 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4428 at_stmt. Convert the type of operands before calling
4429 build_polynomial_chrec.
4430 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4432 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4433 (instantiate_parameters_1): Convert the type of operands before calling
4434 build_polynomial_chrec.
4435 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4436 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4437 reset_evolution_in_loop): Insert asserts to check the types of the
4439 (chrec_type): Moved...
4440 (eq_evolutions_p): Use operand_equal_p.
4441 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4442 the types of the operands.
4443 (chrec_type): ...here.
4444 * tree-data-ref.c (create_data_ref): Convert the operands before
4445 calling chrec_replace_initial_condition.
4446 (same_access_functions, analyze_subscript_affine_affine,
4447 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4448 (compute_subscript_distance, analyze_ziv_subscript,
4449 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4450 analyze_miv_subscript): Convert the operands before calling
4451 chrec_fold_minus or chrec_fold_plus.
4453 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4455 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4456 the dependence_relations vector.
4457 (compute_data_dependences_for_loop): Adjust call to
4458 compute_all_dependences.
4460 2006-04-01 Roger Sayle <roger@eyesopen.com>
4461 Richard Henderson <rth@redhat.com>
4463 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4464 gimple_boolify on the condition before calling gimplify_expr.
4466 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4468 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4469 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4470 the frame size. Update to use the new macros.
4471 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4472 * config/xtensa/ieee754-df.S: Likewise.
4474 2006-03-31 Richard Henderson <rth@redhat.com>
4476 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4477 (make_edges): ... here. Control fallthru creation with a local
4478 variable. Do not play with fake edges.
4479 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4480 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4483 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4485 * dwarf2.h (DW64_CIE_ID): Define.
4486 * dwarf2out.c (DWARF_CIE_ID): Define.
4487 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4488 length header. Use DWARF_CIE_ID.
4489 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4490 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4492 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4494 * config/sh/linux-atomic.asm: New file.
4495 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4497 2006-03-31 DJ Delorie <dj@redhat.com>
4499 * config/m32c/cond.md: Set condition flags properly throughout.
4500 * config/m32c/minmax.md: Likewise.
4501 * config/m32c/prologue.md: Likewise.
4502 * config/m32c/bitops.md: Likewise.
4503 * config/m32c/muldiv.md: Likewise.
4504 * config/m32c/mov.md: Likewise.
4505 * config/m32c/addsub.md: Likewise.
4506 * config/m32c/m32c.md: Likewise.
4507 * config/m32c/jump.md: Likewise.
4508 * config/m32c/shift.md: Likewise.
4510 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4511 conditionally output the pattern for this.
4512 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4513 (m32c_compare_redundant): New.
4514 (m32c_output_compare): New.
4515 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4517 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4518 dest, not src. Allow other 4-byte modes.
4520 2006-03-30 Denis Chertykov <denisc@overta.ru>
4522 * doc/md.texi: Refer to avr/constraints.md instead of
4525 2006-03-30 Roger Sayle <roger@eyesopen.com>
4527 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4528 signed vs. unsigned comparison failures on some hosts.
4530 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4533 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4534 change to FLOAT_REGS.
4536 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4537 (rs6000_override_options): Use it.
4538 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4539 only for -mabi=spe/no-spe and -mabi=altivec.
4541 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4543 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4546 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4548 * Makefile.in: Rename docdir to gcc_docdir.
4550 2006-03-30 Roger Sayle <roger@eyesopen.com>
4553 * expr.c (emit_group_store): Optimize group stores into a pseudo
4554 register by using a paradoxical subreg to initialize the destination
4555 if the first or last member of the group specifies a "low part".
4557 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4560 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4561 * target.h (struct gcc_target.speculate_insn): Change type of the
4562 second parameter to 'int'.
4563 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4564 the second operand of the DEPS_LIST.
4565 (copy_DEPS_LIST_list): Update reference to the second operand of the
4567 * rtl.h (alloc_DEPS_LIST): Update signature.
4568 * sched-int.h (ds_t): Change typedef to 'int'.
4569 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4571 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4573 * haifa-sched.c (try_ready): Change condition to restore
4574 non-speculative pattern of the instruction.
4575 (process_insn_depend_be_in_spec): Code to keep probability of the
4576 speculative dependence non-decreasing.
4578 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4580 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4581 (single_move_for_movmem): ... this. Also change all uses.
4582 (bfin_expand_strmov): Renamed to...
4583 (bfin_expand_movmem): ... this. Also change all uses.
4584 * config/bfin/bfin.md (movstrsi): Renamed to...
4585 (movstrsi): ...this.
4587 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4589 PR tree-optimization/26830
4591 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4592 (copy_prop_visit_stmt): Remove write-only variable ann.
4593 (init_copy_prop): Check variable loop depth here. Do not simulate
4594 memory-tag and virtual operand PHIs except for store copy prop.
4596 2006-03-30 Richard Guenther <rguenther@suse.de>
4598 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4599 variants with double arguments.
4601 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4603 * genpreds.c (write_tm_constrs_h): Delete variable p.
4604 * genconditions.c (write_header): Add tm-constrs.h to included
4606 * genpeep.c (main): Add toplev.h to included headers.
4607 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4608 (build/genpeep.o): Add toplev.h dependency.
4609 * config/rs6000/constraints.md: Add "W" constraint.
4611 2006-03-29 Roger Sayle <roger@eyesopen.com>
4613 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4614 sizes by correctly testing whether the size fits a host integer.
4615 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4616 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4617 SImode range for the default sizetype and bitsizetype.
4619 2006-03-29 Roger Sayle <roger@eyesopen.com>
4621 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4622 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4623 quickly if the argument is already of the correct type.
4624 Call fold_build1 instead of build1. Tidy up blank lines.
4626 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4628 * genemit.c (main): Add tm-constrs.h to included headers.
4629 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4630 * genpeep.c (main): Add tm-constrs.h to included headers.
4631 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4632 (write_tm_constrs_h): this and write complete file.
4633 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4634 (write_insn_preds_c): Add tm-constrs.h to included headers.
4635 (gen_constrs): New variable.
4636 (parse_option): Parse "-c".
4637 (main): Invoke write_tm_constrs_h.
4638 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4639 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4640 (object_out_file): Add tm-constrs.h dependency.
4641 (insn-emit.o): Same.
4642 (insn-output.o): Same.
4643 (insn-peep.o): Same.
4644 (insn-preds.o): Same.
4645 (insn-recog.o): Same.
4646 (tm-constsr.h): New target.
4647 (s-constrs-h): New target.
4649 * config/rs6000/constraints.md: New file.
4650 * config/rs6000/rs6000.c: Include tm-constrs.h.
4651 (num_insn_constant_wide): Convert to satisfies_constraint.
4652 (rs6000_rtx_costs): Convert to satisfies_constraint.
4653 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4654 (CONST_OK_FOR_LETTER_P): Delete.
4655 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4656 (EXTRA_CONSTRAINT): Delete.
4657 (EXTRA_MEMORY_CONSTRAINT): Delete.
4658 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4659 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4660 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4661 satisfies_constraint.
4663 * config/i386/i386.c: Include tm-constrs.h.
4665 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4667 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4668 * tree-data-ref.c (find_data_references_in_loop,
4669 compute_data_dependences_for_loop): Use pointers to VEC.
4670 (analyze_all_data_dependences): Adjust calls.
4671 * tree-data-ref.h (find_data_references_in_loop,
4672 compute_data_dependences_for_loop): Adjust declarations.
4673 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4674 compute_data_dependences_for_loop.
4676 2006-03-29 Paul Brook <paul@codesourcery.com>
4678 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4681 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4683 PR tree-optimization/26859
4684 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4686 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4687 for the step after fold_convert.
4689 2006-03-29 Paul Brook <paul@codesourcery.com>
4691 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4692 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4694 2006-03-29 Paul Brook <paul@codesourcery.com>
4697 * targhooks.c (default_narrow_bitfield): New fuction.
4698 * targhooks.h (default_narrow_bitfield): add prototype.
4699 * target.h (gcc_target): Add narrow_volatile_bitfield.
4700 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4701 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4702 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4703 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4705 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4707 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4709 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4710 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4711 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4712 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4713 (s390_function_arg_float): Allow SDmode and DDmode values to be
4714 passed in floating point registers.
4715 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4716 check with SCALAR_FLOAT_MODE_P.
4717 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4719 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4721 PR tree-optimization/25985
4722 * tree-ssa-loop-niter.c (number_of_iterations_le,
4723 number_of_iterations_ne): Make comments more precise.
4724 (number_of_iterations_cond): Add only_exit argument. Use the
4725 fact that signed variables do not overflow only when only_exit
4727 (loop_only_exit_p): New.
4728 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4729 number_of_iterations_cond.
4731 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4733 PR tree-optimization/26643
4734 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4737 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4739 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4740 (divsi3_i4_int): Likewise.
4742 2006-03-28 Roger Sayle <roger@eyesopen.com>
4744 * expr.c (emit_group_store): Only create a new pseudo reg if the
4745 quantity it needs to hold isn't already a suitable pseudo.
4747 2006-03-28 Jeff Law <law@redhat.com>
4749 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4750 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4752 2006-03-28 Roger Sayle <roger@eyesopen.com>
4754 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4755 the equivalent ~X & Y, and the symmetry related transformations.
4756 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4757 ~X & Y, and symmetry related transforms.
4759 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4761 Revert my 2006-03-27 patches.
4763 2006-03-28 Roger Sayle <roger@eyesopen.com>
4765 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4766 ~(T1)X, when T1 and T2 are integer types of the same precision
4767 and (T2)X isn't an extension.
4769 2006-03-28 Jeff Law <law@redhat.com>
4771 PR tree-optimization/26796
4772 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4773 need EH edge cleanups rather than purging them immediately.
4774 (eliminate_degenerate_phis): Handle queued EH cleanups.
4776 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4778 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4781 2006-03-27 Roger Sayle <roger@eyesopen.com>
4784 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4785 cast BIT_NOT_EXPR operand to the correct type.
4787 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4789 * tree-loop-linear.c: Don't include varray.h.
4790 (gather_interchange_stats, try_interchange_loops,
4791 linear_transform_loops): Use VEC instead of VARRAY.
4792 * lambda-mat.c: Don't include varray.h.
4793 * tree-chrec.c: Same.
4794 * lambda-trans.c: Same.
4795 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4796 VEC instead of VARRAY.
4797 * tree-vectorizer.h: Idem.
4798 * tree-data-ref.c (dump_data_references,
4799 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4800 initialize_data_dependence_relation, finalize_ddr_dependent,
4801 compute_all_dependences, find_data_references_in_loop,
4802 compute_data_dependences_for_loop, analyze_all_data_dependences,
4803 free_dependence_relation, free_dependence_relations,
4804 free_data_refs): Idem.
4805 * tree-data-ref.h (data_reference_p, subscript_p): New.
4806 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4807 VEC instead of VARRAY.
4808 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4809 (find_data_references_in_loop, compute_data_dependences_for_loop,
4810 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4811 dump_data_dependence_relations, free_dependence_relations,
4812 free_data_refs): Adjust declaration.
4813 (lambda_transform_legal_p): Move declaration here...
4814 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4815 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4816 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4817 vect_analyze_data_refs): Use VEC instead of VARRAY.
4818 * lambda.h (lambda_transform_legal_p): ...from here.
4819 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4820 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4821 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4822 tree-chrec.o): Don't depend on VARRAY_H.
4824 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4826 * rtl.def (Copyright): Update date.
4827 (DEPS_LIST): Change type of the second operand to 'int'.
4828 * target.h (Copyright): Update date.
4829 (struct gcc_target.speculate_insn): Change type of the second parameter
4831 * lists.c (Copyright): Update date.
4832 (alloc_DEPS_LIST): Change signature. Update reference to the second
4833 operand of the DEPS_LIST.
4834 (copy_DEPS_LIST_list): Update reference to the second operand of the
4836 * rtl.h (Copyright): Update date.
4837 (alloc_DEPS_LIST): Update signature.
4838 * sched-int.h (Copyright): Update date.
4839 (ds_t): Change typedef to 'int'.
4840 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4842 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4844 * haifa-sched.c (Copyright): Update date.
4845 (try_ready): Change condition to restore non-speculative pattern
4847 (process_insn_depend_be_in_spec): Code to keep probability of the
4848 speculative dependence non-decreasing.
4850 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4852 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4853 shut up the compiler.
4855 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4857 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4858 to use lib prefix for target.
4859 ($(T)libic_invalidate_array_4-200.a): Likewise.
4860 ($(T)libic_invalidate_array_4a.a): Likewise.
4862 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4863 J"orn Rennecke <joern.rennecke@st.com>
4865 * superh.opt: New file.
4866 * sh.c (boardtype, osruntime): Remove.
4867 * superh.h (SUBTARGET_OPTIONS): Remove.
4868 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4870 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4871 arguments with ^ and/or [].
4873 * config.gcc (sh-*-*): Add quoting to account for quirk of
4875 Replace == with = in enable_incomplete_targets test.
4877 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4878 with MASK_LITTLE_ENDIAN.
4880 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4881 * config/sh/sh.opt: Added to some comments.
4882 * config/sh/superh.h: Removed some chaff.
4884 * config/sh/sh.opt: Add m4-[1234]00* options.
4885 * config/sh/sh.c (sh_handle_option): Likewise.
4886 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4887 (ic_invalidate_array_4-100.o): New rule.
4888 ($(T)libic_invalidate_array_4-100.a): Likewise.
4889 (ic_invalidate_array_4-200.o): Likewise.
4890 ($(T)libic_invalidate_array_4-200.a): Likewise.
4891 (ic_invalidate_array_4a.o): Likewise.
4892 ($(T)libic_invalidate_array_4a.a): Likewise.
4893 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4894 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4896 * config/sh/crt1.asm: Merged in profiling code.
4897 * config/sh/superh.h (STARTFILE_SPEC): Override.
4898 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4899 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4900 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4902 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4903 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4904 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4906 * sh.opt (mpretend-cmove): New option.
4907 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4908 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4909 (movsicc): Add TARGET_PRETEND_CMOVE code.
4911 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4913 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4914 s390_class_max_nregs): New function prototypes.
4915 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4916 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4917 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4918 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4920 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4922 * dwarf2out.c (add_location_or_const_value_attribute): Call
4923 tree_add_const_value_attribute if nothing else works.
4924 (reference_to_unused): New.
4925 (rtl_for_decl_init): Use reference_to_unused to decide whether
4926 to output an initializer.
4928 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4931 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4932 peephole removing spe frob_di_df_2.
4934 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4936 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4937 (subscript_dependence_tester_1): Declared.
4938 (print_dir_vectors, print_dist_vectors): New.
4939 (debug_data_dependence_relation): New.
4940 (dump_data_dependence_relation): Print more details.
4941 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4942 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4943 (save_dist_v, save_dir_v, add_outer_distances,
4944 build_classic_dist_vector_1): New.
4945 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4946 Don't test for lambda_vector_lexico_pos.
4947 (same_access_functions, add_multivariate_self_dist,
4948 add_other_self_distances, dir_from_dist): New.
4949 (build_classic_dir_vector): Replace implementation almost identical to
4950 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4952 (subscript_dependence_tester_1): New.
4953 (subscript_dependence_tester): Handle the lexicographically negative
4954 distance vectors by recomputing the dependence relation.
4955 (compute_affine_dependence): Remove parameter loop_nest_depth.
4956 (compute_self_dependence): Don't call compute_subscript_distance.
4957 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4958 Add a parameter for the loop_nest.
4959 (find_loop_nest_1, find_loop_nest): New.
4960 (compute_data_dependences_for_loop): Compute the loop nest, and give
4961 up if the nest is not well formed.
4962 * tree-data-ref.h (loop_p): New.
4963 (struct data_dependence_relation): Replace size_vect field with
4964 loop_nest, a vec of loops.
4965 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4966 (DDR_LOOP_NEST): New.
4967 (print_dir_vectors, print_dist_vectors,
4968 debug_data_dependence_relation): Declared.
4969 (index_in_loop_nest): New.
4970 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4971 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4974 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4976 * simplify-rtx.c (simplify_relational_operation): Call
4977 simplify_relational_operation_1 even if mode is VOIDmode.
4979 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4981 PR tree-optimization/26804
4982 * tree.h (DECL_CALL_CLOBBERED): New macro.
4983 (tree_decl_common): Add call_clobbered_flag.
4984 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4985 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4986 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4987 (mark_non_addressable): Ditto.
4988 * tree-ssa.c (verify_call_clobbered): New function.
4989 (verify_alias_info): Use it.
4990 * tree-pass.h (pass_reset_cc_flags): New prototype.
4991 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4992 (reset_cc_flags): New function.
4993 * passes.c (init_optimization_passes): Call reset_cc_flags after
4994 initializing referenced_vars.
4996 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4997 Roger Sayle <roger@eyesopen.com>
5000 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5001 to 1.0 for non-real operands. Implement A / A optimization for
5004 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5006 * config/i386/i386.c (size_cost): Correct the comment for
5007 cost of storing fp registers.
5008 (i386_cost): Likewise.
5009 (i486_cost): Likewise.
5010 (pentium_cost): Likewise.
5011 (pentiumpro_cost): Likewise.
5012 (k6_cost): Likewise.
5013 (athlon_cost): Likewise.
5014 (k8_cost): Likewise.
5015 (pentium4_cost): Likewise.
5016 (nocona_cost): Likewise.
5017 (generic64_cost): Likewise.
5018 (generic32_cost): Likewise.
5020 2006-03-24 Denis Chertykov <denisc@overta.ru>
5022 * config/avr/avr-protos.h (extra_constraint): Delete.
5023 (extra_constraint_Q): New declaration.
5024 * config/avr/constraints.md: New file.
5025 * config/avr/avr.md: Include it.
5026 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5027 (TMP_REGNO, ZERO_REGNO): Likewise.
5028 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5029 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5030 (extra_constraint): Delete.
5031 (extra_constraint_Q): Test for memory constraint 'Q'.
5032 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5033 (REG_CLASS_FROM_LETTER): Delete.
5034 (CONST_OK_FOR_LETTER_P): Delete.
5035 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5036 (EXTRA_CONSTRAINT): Delete.
5037 (TMP_REGNO): Delete.
5038 (ZERO_REGNO): Delete.
5040 2006-03-24 Jeff Law <law@redhat.com>
5042 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5043 directly. Call mark_new_vars_to_rename slightly earlier.
5045 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5047 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5049 (gen_compile_unit_die): Use new language types for Objective-C and
5051 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5052 DW_LANG_C_plus_plus.
5055 * config/t-darwin (crt3.o): Work around bug 26840.
5056 * config/darwin-crt3.c: Rewrite.
5057 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5059 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5061 * doc/invoke.texi: Document -femit-class-debug-always
5062 * common.opt: Add -femit-class-debug-always.
5064 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5066 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5067 index and base register.
5068 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5069 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5070 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5071 REGNO_OK_FOR_INDEX_P.
5072 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5074 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5075 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5076 REG_OK_FOR_BASE_P): Definitions removed.
5078 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5081 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5082 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5083 set yet or weren't marked as local yet.
5085 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5087 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5090 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5092 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5093 (rs6000_legitimate_small_data_p): Delete.
5094 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5095 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5096 and make static. Add forward declaration. Update uses.
5097 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5098 of offsettable_memref_p.
5099 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5100 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5102 2006-03-24 Jeff Law <law@redhat.com>
5104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5105 around bug in immediate-use iterator.
5107 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5110 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5111 or __LITTLE_ENDIAN__.
5113 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5115 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5116 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5117 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5118 * config/sh/sh.opt (mdiv=): Amend description.
5119 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5120 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5121 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5122 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5123 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5124 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5125 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5126 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5127 TARGET_DIVIDE_CALL_FP.
5129 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5131 * haifa-sched.c (choose_ready): Fix type of the local variable.
5132 Move local variables. Add comment.
5133 (check_reg_live): Change signature. Make callable from debugger.
5134 * sched-int.h (check_reg_live): Update signature.
5135 * sched-ebb.c (check_reg_live): Update parameters.
5136 * sched-rgn.c (check_reg_live): Ditto.
5137 (region_head_or_leaf_p): Check pointer before dereferencing.
5138 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5139 before reload on optimization levels below 1.
5141 2006-03-23 Richard Henderson <rth@redhat.com>
5143 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5147 * config/alpha/predicates.md (local_symbolic_operand): Reject
5150 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5153 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5154 expressions which have overflowed constants.
5156 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5158 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5160 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5162 * cfgloopmanip.c (create_loop_notes): Removed.
5163 * final.c (final_scan_insn): Do not handle loop notes.
5164 * jump.c (squeeze_notes): Ditto.
5165 * cfglayout.c (skip_insns_after_block,
5166 duplicate_insn_chain): Ditto.
5167 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5169 * cfgloop.h (create_loop_notes): Declaration removed.
5171 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5173 * varasm.c (output_constant_pool): Restore fnname and fndecl
5175 (assemble_start_function): Adjust call accordingly.
5176 (assemble_end_function): Likewise.
5178 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5181 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5184 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5186 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5189 * system.h (ICE_EXIT_CODE): New macro.
5190 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5191 (diagnostic_action_after_output): Likewise.
5192 * gcc.c (fatal_ice): New function.
5193 (execute): Use it instead of fatal.
5194 (fancy_abort): Likewise.
5195 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5197 2006-03-22 Jeff Law <law@redhat.com>
5199 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5200 iv_analyze_result returning false.
5202 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5204 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5206 2006-03-22 Richard Henderson <rth@redhat.com>
5209 * except.c (duplicate_eh_regions_0): New.
5210 (duplicate_eh_region_1): Duplicate the children of the node as
5211 well as the node itself. Link them up properly.
5212 (duplicate_eh_region_2): Merge into ...
5213 (duplicate_eh_regions): ... here. Take copy_region argument, and
5214 copy only a sub-tree if asked. Simplify copying and fixup.
5215 (eh_region_outer_p): New.
5216 * except.h (duplicate_eh_regions): Update decl.
5217 (eh_region_outer_p): Declare.
5218 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5219 (lower_omp_master): Likewise.
5220 (lower_omp_ordered): Likewise.
5221 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5222 (move_stmt_r): Use it to remap labels. Handle recursion vs
5223 remap_decls_p properly.
5224 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5225 (find_outermost_region_in_block): New.
5226 (new_label_mapper): New.
5227 (move_sese_region_to_fn): Copy eh information to the new function
5229 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5231 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5234 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5236 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5237 into shared libraries.
5239 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5241 * doc/md.texi: Refer to i386/constraints.md instead of
5243 * config/i386/constraints.md: New file, extracted from...
5244 * config/i386/predicates.md: ...here.
5245 * config/i386/i386.md: Include constraints.md.
5247 2006-03-21 Jason Merrill <jason@redhat.com>
5249 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5252 * expr.c (init_block_move_fn): Force default visibility.
5253 (init_block_clear_fn): Likewise.
5254 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5255 * targhooks.c (default_external_stack_protect_fail): Likewise.
5257 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5259 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5260 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5261 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5262 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5263 (loadgp): Use mips_current_loadgp_style.
5264 (loadgp_noshared): New pattern.
5265 (sibcall_internal): Use MIPS_CALL.
5266 (sibcall_value_internal): Likewise.
5267 (sibcall_value_multiple_internal): Likewise.
5268 (call_internal): Likewise.
5269 (call_value_internal): Likewise.
5270 (call_value_multiple_internal): Likewise.
5271 (call_split): Use MIPS_CALL and add an 'S' constraint.
5272 (call_value_split): Likewise.
5273 (call_value_multiple_split): Likewise.
5274 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5275 (-mshared): New option.
5276 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5277 (mips_current_loadgp_style): Declare.
5278 * config/mips/mips.c (mips_classify_symbol): Avoid using
5279 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5280 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5281 TARGET_ABSOLUTE_ABICALLS.
5282 (override_options): Adjust comments. Improve the warning that is
5283 issued when -mabicalls and -G are used together.
5284 (mips_file_start): Remove comment.
5285 (mips_current_loadgp_style): New function.
5286 (mips_gnu_local_gp): New variable.
5287 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5289 (mips_output_function_prologue): Use mips_current_laodgp_style.
5290 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5291 the cprestore instruction.
5292 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5293 live for TARGET_ABSOLUTE_ABICALLS.
5294 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5295 (ASM_SPEC): Pass down -mshared and -mno-shared.
5296 (MIPS_CALL): New macro.
5297 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5299 * doc/invoke.texi (-mabicalls): Update documentation.
5300 (-mshared): Document.
5302 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5304 * config/ia64/unwind-hpux.c: New file.
5305 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5307 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5310 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5312 2006-03-21 Jeff Law <law@redhat.com>
5314 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5315 type conversions of a VR_VARYING source to a wider type.
5317 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5319 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5320 tm_file on Solaris 10 and later.
5321 (sparc64-*-solaris2*): Likewise.
5322 (sparc-*-solaris2*): Likewise.
5323 * config/sol26.h: Rename to config/sol2-6.h.
5324 * config/sol2-10.h: New file.
5326 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5329 * tree-ssa-pre.c (create_component_ref_by_pieces):
5332 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5335 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5336 return it immediately.
5338 2006-03-21 Michael Matz <matz@suse.de>
5340 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5342 (remove_arc, add_arc): Update num_out_arcs member.
5343 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5345 (cache_presence): New function.
5346 (compare_states_for_equiv): New function.
5347 (state_is_differed): Don't take number of outargs, adjust callers.
5348 Use new invariant for speeding up.
5349 (init_equiv_class): Create initial classes based on sorted
5351 (partition_equiv_class): Don't track out_arcs_num.
5352 (evaluate_equiv_classes): Call cache_presence on all states and
5355 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5357 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5358 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5359 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5360 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5362 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5363 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5364 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5365 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5366 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5368 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5369 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5370 (REGNO_REG_CLASS): ARGP is in PREGS.
5371 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5373 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5374 to deal with those addresses.
5375 * addresses.h: New file.
5376 * caller-save.c: Include "addresses.h".
5377 (init_caller_save): Use new base_reg_class function.
5378 * rtl-factoring.c: Include "addresses.h".
5379 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5380 * recog.c: Include "addresses.h".
5381 (preprocess_constraints): Use new base_reg_class function.
5382 * regrename.c: Include "addresses.h".
5383 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5384 functions. Keep track of a new var INDEX_CODE to compute valid
5386 (replace_oldest_value_addr): Likewise.
5387 (replace_oldest_value_mem): Use base_reg_class.
5388 * reload.c: Include "addresses.h".
5389 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5390 (find_reloads): Use new base_reg_class function.
5391 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5392 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5393 all callers and prototype changed.
5394 * reload1.c: Include "addresses.h".
5395 (maybe_fix_stack_asms): Use base_reg_class.
5396 * regclass.c: Include "addresses.h".
5397 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5398 (init_reg_autoinc): Use new base_reg_class function.
5399 (record_reg_classes): Likewise.
5400 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5401 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5402 Use new args to compute necessary class.
5404 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5405 regrename.o, rtl-factoring.o): Update dependencies.
5406 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5407 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5408 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5409 REG_OK_FOR_INDEX_P): Delete documentation.
5411 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5413 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5414 from V7 to V9 for Solaris 7 and above.
5416 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5418 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5419 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5420 argument pointers may not alias any other storage.
5421 * common.opt: Define option -fargument-noalias-anything.
5422 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5423 alias semantics is specified by flag_argument_noalias > 2.
5425 2006-03-20 Jeff Law <law@redhat.com>
5427 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5428 (pass_phi_only_cprop): Declare.
5429 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5431 * tree-ssa-dom.c (degenerate_phi_result): New function.
5432 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5433 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5434 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5435 (eliminate_degenerate_phis): Likewise.
5436 (pass_phi_only_cprop): New pass descriptor.
5437 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5438 support code. Callers updated.
5439 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5440 (store_copy_prop): Likewise.
5441 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5443 2006-03-20 Jason Merrill <jason@redhat.com>
5446 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5447 (push_visibility, pop_visibility): Likewise.
5448 * c-pragma.h: Declare them.
5450 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5452 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5454 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5455 parameter and use get_ebb_head_tail.
5456 (sh_md_init_global): Adjust uses of find_regmode_weight.
5458 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5460 * function.h (struct function) <x_tail_recursion_reentry>:
5461 Rename to x_stack_check_probe_note.
5462 (tail_recursion_reentry): Rename to stack_check_probe_note.
5463 * function.c: Replace tail_recursion_reentry with
5464 stack_check_probe_note everywhere.
5465 (expand_function_start): Only emit a note for
5466 stack_check_probe_note with -fstack-protect.
5467 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5469 * emit-rtl.c (remove_unnecessary_notes): Remove.
5470 (pass_remove_unnecessary_notes): Remove.
5471 * rtl.h (remove_unnecessary_notes): Remove prototype.
5472 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5473 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5474 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5476 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5479 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5480 (valid_in_set): Handle ARRAY_REF.
5481 Change "if min_variant or VH" to asserts.
5482 (create_component_ref_by_pieces): Handle ARRAY_REF.
5483 (create_expression_by_pieces): Likewise.
5484 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5486 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5488 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5489 is operand of switch, not str[0].
5491 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5493 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5494 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5496 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5498 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5499 end of insn_extra_address_constraint declaration.
5501 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5503 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5504 (no-sum-in-toc): Same.
5505 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5507 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5508 NO_FP_IN_TOC for -fPIC instead of mask.
5510 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5511 (BOOT_LDFLAGS): Delete.
5513 * config/rs6000/t-aix52: Same.
5515 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5516 (stmsi[345678]_power): New.
5518 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5520 * config/ia64/ia64.opt: Add empty line to end of file.
5522 2006-03-17 Richard Guenther <rguenther@suse.de>
5525 * builtins.c (get_pointer_alignment): For component style references
5526 adjust alignment to the component type alignment. Make sure
5527 to adjust alignment for component access of constants.
5529 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5531 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5534 2006-03-17 Paul Brook <paul@codesourcery.com>
5536 * doc/install.texi: Docuemnt --with-mode.
5537 * config.gcc: Add --with-mode for arm*-*-*.
5538 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5540 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5542 * sh.c (max_labelno_before_reorg): New variable.
5543 (sh_reorg): Initialize it.
5544 (find_barrier): Check max_labelno_before_reorg before using
5545 label_to_alignment. Take length of explicit alignment insns
5546 into account. When seeing a UNSPECV_CONST_END, return it.
5548 * sh.c (fixup_mova): Set mode of affected label to QImode.
5549 (untangle_mova): New function.
5550 (find_barrier): Use it. Check mode of label before decrementing
5552 (sh_reorg): Likewise.
5553 Set mode of all insns back to VOIDmode.
5555 * sh.c (MOVA_LABELREF): New macro.
5556 (mova_p, fixup_mova, sh_reorg): Use it.
5557 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5558 ADDR_DIFF_VEC matches mova.
5560 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5562 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5563 with ATTRIBUTE_UNUSED.
5565 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5567 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5568 pointer, instead of assuming it is possible to derive the
5569 correct args size from a call insn.
5571 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5573 * rtl.h (CONST_INT_P): Define.
5574 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5575 instead of GET_CODE(x) == CONST_INT.
5576 (vax_rtx_costs): Likewise.
5577 (vax_output_int_move): Likewise.
5578 (vax_output_int_add): Likewise.
5579 (legitimate_constant_address_p): Likewise.
5580 (index_term_p): Likewise.
5581 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5582 * config/vax/vax.md (and<mode>3): Likewise.
5583 (ashrsi3): Likewise.
5585 (movstricthi): Likewise.
5586 (movstrictqi): Likewise.
5587 (rotrsi3): Likewise.
5588 (five unnamed insns): Likewise.
5590 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5592 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5593 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5594 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5595 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5596 Pass to ASM_OUTPUT_DWARF_OFFSET.
5597 * dwarf2out.c (debug_frame_section): New.
5598 (output_call_frame_info): Use debug_frame_section. Pass it to
5599 dw2_asm_output_offset.
5600 (output_die): Pass appropriate section to dw2_asm_output_offset.
5601 (output_compilation_unit_header): Likewise.
5602 (output_pubnames): Likewise.
5603 (output_aranges): Likewise.
5604 (enum dw_val_class): Break dw_val_class_lbl_offset into
5605 dw_val_class_lineptr and dw_val_class_macptr.
5606 (add_AT_lbl_offset): Delete.
5607 (add_AT_lineptr): New.
5608 (add_AT_macptr): New.
5609 (AT_lbl): Expect a lineptr or macptr.
5610 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5611 (attr_checksum): Likewise.
5612 (same_dw_val_p): Likewise.
5613 (size_of_die): Likewise.
5614 (value_format): Likewise.
5615 (output_die): Likewise.
5616 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5618 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5619 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5620 * config/darwin-protos.h (darwin_file_start): New.
5621 (darwin_asm_output_dwarf_offset): New.
5622 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5623 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5625 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5626 if not EH section; simplify.
5627 (darwin_file_start): New.
5628 (darwin_asm_output_dwarf_offset): New.
5629 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5631 (DEBUG_INFO_SECTION): Likewise.
5632 (DEBUG_ABBREV_SECTION): Likewise.
5633 (DEBUG_ARANGES_SECTION): Likewise.
5634 (DEBUG_MACINFO_SECTION): Likewise.
5635 (DEBUG_LINE_SECTION): Likewise.
5636 (DEBUG_LOC_SECTION): Likewise.
5637 (DEBUG_PUBNAMES_SECTION): Likewise.
5638 (DEBUG_STR_SECTION): Likewise.
5639 (DEBUG_RANGES_SECTION): Likewise.
5640 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5641 (ASM_OUTPUT_DWARF_OFFSET): New.
5643 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5645 * config.gcc (tm_defines): Always add to previous value rather
5648 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5650 * config/mips/predicates.md (splittable_const_int_operand): New,
5651 split from move_operand.
5652 (splittable_symbolic_operand): New.
5653 (move_operand): Add commentary. Use splittable_const_int_operand.
5654 Inline mips_atomic_symbolic_constant_p.
5655 * config/mips/mips.md: Add combine splitters for handling moves
5656 of splittable_const_int_operands and splittable_symbolic_operands.
5657 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5658 (mips_split_symbol): Declare.
5659 (mips_move_integer): Declare.
5660 * config/mips/mips.c (mips_split_p): Make global.
5661 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5662 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5663 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5664 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5665 (mips_offset_within_object_p): Handle block symbols.
5666 (mips_atomic_symbolic_constant_p): Delete.
5667 (mips_cannot_force_const_mem): Return false for constants that
5668 mips_legitimize_move can handle.
5669 (mips_use_blocks_for_constant_p): New function.
5670 (mips_split_symbol): Make global.
5671 (mips_move_integer): Likewise. Add a temporary register argument.
5672 (mips_legitimize_const_move): Use splittable_const_int_operand and
5673 splittable_symbolic_operand.
5674 (mips_use_anchors_for_symbol_p): New function.
5675 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5676 (mips_split_p): Declare.
5678 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5680 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5681 (mips*-*-linux*): Likewise.
5683 2006-03-16 Roger Sayle <roger@eyesopen.com>
5684 Daniel Speyer <dspeyer@wam.umd.edu>
5687 * tree-dump.c (dump_real): New function.
5688 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5689 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5690 (tree-dump.o): Add $(REAL_H) to the dependencies.
5692 2006-03-16 Roger Sayle <roger@eyesopen.com>
5695 * real.c (real_from_string): If the mantissa is zero, don't bother
5696 parsing the exponent as the result should always be zero.
5698 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5700 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5704 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5705 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5706 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5707 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5708 ia64_sched_finish_global): New static functions to implement
5709 hooks from gcc_target.sched.
5710 (spec_check_no, max_uid, pending_data_specs): New static variables.
5711 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5712 ia64_spec_check_src_p): New static functions.
5713 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5714 (TARGET_SCHED_ADJUST_COST): Removed.
5715 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5716 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5717 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5718 TARGET_SCHED_GEN_CHECK,
5719 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5720 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5721 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5722 Fixed to handle speculation checks.
5723 (rtx_needs_barrier): Fixed to handle speculative loads and
5725 (ia64_variable_issue): Added code to count speculative loads and their
5727 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5729 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5731 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5733 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5734 (ia64_reorg): Reset stops_p to NULL after it is freed.
5735 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5736 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5737 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5739 (data_speculative, control_speculative, check_load): New attributes.
5740 (mov<mode>_advanced, mov<mode>_speculative,
5741 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5742 zero_extend<mode>di2_speculative,
5743 zero_extend<mode>di2_speculative_advanced): New patterns for
5744 data and control speculative loads.
5745 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5747 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5748 New pattern for data and control speculation checks.
5749 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5750 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5751 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5752 Auxiliary definitions for the patterns.
5753 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5754 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5756 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5758 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5759 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5760 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5761 New resource constraints.
5762 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5764 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5765 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5766 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5767 msched-in-control-spec, msched-ldc, msched-control-ldc,
5768 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5769 msched-prefer-non-control-spec-insns,
5770 msched-count-spec-in-critical-path): New flags to tune speculative
5772 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5773 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5774 msched-in-control-spec, msched-ldc, msched-control-ldc,
5775 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5776 msched-prefer-non-control-spec-insns,
5777 msched-count-spec-in-critical-path): Document new flags.
5779 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5781 * target.h (struct spec_info_def): New opaque declaration.
5782 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5783 speculate_insn, needs_block_p, gen_check,
5784 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5785 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5786 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5787 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5788 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5789 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5791 (TARGET_SCHED): Use new macros.
5792 * rtl.h (copy_DEPS_LIST_list): New prototype.
5793 * sched-int.h (struct sched_info): Change signature of new_ready field,
5794 adjust all initializations. New fields: add_remove_insn,
5795 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5796 region_head_or_leaf_p.
5797 (struct spec_info_def): New structure declaration.
5798 (spec_info_t): New typedef.
5799 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5800 recovery_block, orig_pat.
5801 (glat_start, glat_end): New variables declaraions.
5802 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5804 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5805 DETACH_LIFE_INFO, USE_GLAT.
5806 (enum SPEC_SCHED_FLAGS): New enumeration.
5807 (NOTE_NOTE_BB_P): New macro.
5808 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5809 attach_life_info, debug_spec_status, check_reg_live): New functions.
5810 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5811 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5813 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5814 * ddg.c (get_block_head_tail): Adjust all uses.
5815 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5816 (sms_sched_info): Initialize new fields.
5817 (contributes_to_priority): Removed.
5818 * haifa-sched.c (params.h): New include.
5819 (get_block_head_tail): Adjust all uses.
5820 (ISSUE_POINTS): New macro.
5821 (glat_start, glat_end): New global variables.
5822 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5823 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5824 old_last_basic_block, before_recovery, current_sched_info_var,
5825 rgn_n_insns, luid): New static variables.
5826 (insn_cost1): New function. Move logic from insn_cost to here.
5827 (find_insn_reg_weight1): New function. Move logic from
5828 find_insn_reg_weight to here.
5829 (reemit_notes, move_insn, max_issue): Change signature.
5830 (move_insn1): Removed.
5831 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5832 extend_bb): New static functions to support extension of scheduler's
5834 (generate_recovery_code, process_insn_depend_be_in_spec,
5835 begin_speculative_block, add_to_speculative_block,
5836 init_before_recovery, create_recovery_block, create_check_block_twin,
5837 fix_recovery_deps): New static functions to support
5838 generation of recovery code.
5839 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5840 restore_bb_notes, move_block_after_check, move_succs): New static
5841 functions to support ebb scheduling.
5842 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5843 functions to support handling of register live information.
5844 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5845 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5846 add_jump_dependencies): New static functions.
5847 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5848 consistancy checking.
5849 (debug_spec_status): New function to call from debugger.
5850 (priority): Added code to handle speculation checks.
5851 (rank_for_schedule): Added code to distinguish speculative instructions.
5852 (schedule_insn): Added code to handle speculation checks.
5853 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5854 Fixed to handle ebbs.
5855 (move_insn): Added code to handle ebb scheduling.
5856 (max_issue): Added code to use ISSUE_POINTS of instructions.
5857 (choose_ready): Added code to choose between speculative and
5858 non-speculative instructions.
5859 (schedule_block): Added code to handle ebb scheduling and scheduling of
5860 speculative instructions.
5861 (sched_init): Initialize new variables.
5862 (sched_finish): Free new variables. Print statistics.
5863 (try_ready): Added code to handle speculative instructions.
5864 * lists.c (copy_DEPS_LIST_list): New function.
5865 * sched-deps.c (extend_dependency_caches): New function. Move logic
5866 from create_dependency_caches to here.
5867 (get_dep_weak, ds_merge): Make global.
5868 * genattr.c (main): Code to output prototype for
5869 dfa_clear_single_insn_cache.
5870 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5871 (output_dfa_clean_insn_cache_func): Code to output
5872 dfa_clear_single_insn_cache function.
5873 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5875 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5877 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5878 New static variables.
5879 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5880 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5882 (ebb_sched_info): Initialize new fields.
5883 (get_block_head_tail): Adjust all uses.
5884 (compute_jump_reg_dependencies): Fixed to use glat_start.
5885 (schedule_ebb): Code to remove unreachable last block.
5886 (schedule_ebbs): Added code to update register live information.
5887 * sched-rgn.c (region_sched_info): Initialize new fields.
5888 (get_block_head_tail): Adjust all uses.
5889 (last_was_jump): Removed. Adjust users.
5890 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5891 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5892 Implement new hooks.
5893 (check_dead_notes1): New static function.
5894 (struct region): New fields: dont_calc_deps, has_real_ebb.
5895 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5896 (BB_TO_BLOCK): Fixed to handle EBBs.
5897 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5898 (ebb_head): New static variable.
5899 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5900 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5902 (compute_dom_prob_ps): New assertion.
5903 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5904 global_live_at_start.
5905 (init_ready_list): New assertions.
5906 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5907 (new_ready): Add support for BEGIN_CONTROL speculation.
5908 (schedule_insns): Fixed code that updates register live information
5910 (schedule_region): Fixed to handle EBBs.
5911 (init_regions): Use extend_regions and check_dead_notes1.
5912 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5913 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5914 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5915 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5916 TARGET_SCHED_GEN_CHECK,
5917 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5918 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5919 * doc/invoke.texi (max-sched-insn-conflict-delay,
5920 sched-spec-prob-cutoff): Document.
5922 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5924 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5925 inter_tick, queue_index.
5926 (struct sched_info): Change signature of init_ready_list field.
5927 Adjust all initializations.
5928 (RESOLVED_DEPS): New access macro.
5929 (ready_add): Remove prototype.
5930 (try_ready): Add prototype.
5931 * sched-rgn.c (init_ready_list): Use try_ready.
5932 (schedule_region): Initialize
5933 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5934 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5935 (init_ready_list): Use try_ready.
5936 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5937 * lists.c (remove_list_elem): Remove `static'.
5938 (remove_free_INSN_LIST_elem): New function.
5939 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5940 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5941 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5943 (readyp): New variable.
5944 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5945 change_queue_index, resolve_dep): New static functions.
5946 (try_ready): New function. Adjust callers in sched-rgn.c and
5947 sched-ebb.c to use it instead of ready_add.
5948 (clock_var): Move at the begining of file.
5949 (rank_for_schedule): Fix typo.
5950 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5951 (ready_lastpos): Enforce assertion.
5952 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5954 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5955 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5956 (queue_to_ready): Use free_INSN_LIST_list.
5957 (early_queue_to_ready): Fix typo.
5958 (schedule_block): Init readyp. Move init_ready_list call after the
5959 initialization of clock_var. Fix error in rejecting insn by
5960 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5961 that previously corrected INSN_TICKs. Add code for handling
5963 (set_priorities): Fix typo.
5964 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5965 Clarify comment and code that keeps current_sched_info->next_tail
5968 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5970 * sched-rgn.c (extend_rgns): New static function.
5971 (find_rgns): Use it.
5972 (gather_region_statistics, print_region_statistics): New static
5974 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5975 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5977 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5978 Andrey Belevantsev <abel@ispras.ru>
5980 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5981 * lists.c (unused_deps_list): New variable.
5982 (free_list): Add assertions to verify the proper distinguishing
5983 between INSN_LISTs and DEPS_LISTs.
5984 (find_list_elem, remove_list_elem, remove_list_node): New static
5986 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5987 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5988 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5989 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5991 (free_INSN_LIST_node): Likewise.
5992 * modulo-sched.c (current_sched_info): Initialize flags field.
5993 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5994 * rtl.def (DEPS_LIST): Define.
5995 * rtl.h: Declare new functions from lists.c.
5996 * sched-deps.c (spec_dependency_cache): New static variable.
5997 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5998 (add_dependence): Change return type to void. Move the logic to ...
5999 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6000 (delete_all_dependences): Add comment about forward_dependency_cache.
6001 Handle spec_dependency_cache. Handle DEPS_LISTs.
6002 (fixup_sched_groups): Clarify the change of priority of output
6003 and anti dependencies.
6004 (sched_analyze_2): Adjust add_dependence calls to create data
6005 speculative dependence.
6006 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6007 Adjust all callers. Handle DEPS_LISTS.
6008 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6009 presence of speculation.
6010 (init_dependency_caches, free_dependency_caches):
6011 Handle spec_dependency_cache.
6012 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6013 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6014 New static functions.
6015 (add_or_update_back_dep, add_or_update_back_forw_dep,
6016 add_back_forw_dep, delete_back_forw_dep): New functions.
6017 * sched-int.h (ds_t, dw_t): New typedefs.
6018 (struct sched_info): Add new field flags.
6019 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6020 Prototype new sched-deps.c functions.
6021 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6022 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6023 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6024 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6025 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6026 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6028 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6030 * sched-rgn.c (current_sched_info): Initialize flags field.
6031 (schedule_insns): Initialize current_sched_info before the sched_init
6033 * sched-ebb.c (current_sched_info): Initialize flags field.
6034 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6035 Call add_or_update_back_dep instead of add_dependence.
6036 Create control speculative dependencies.
6037 (schedule_insns): Initialize current_sched_info before the sched_init
6040 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6042 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6044 (sh_fallback_frame_state): Likewise.
6046 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6048 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6049 Do switch on default_use_cxa_atexit.
6050 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6051 * config/darwin-crt3.o: New.
6052 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6053 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6054 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6056 * config/rs6000/t-darwin: Move crt2.o building to here.
6057 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6058 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6061 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6063 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6064 from '! xxx' to '!xxx' for coding-style conformance.
6065 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6066 (EXTRA_CONSTRAINT): Likewise.
6067 * config/vax/vax.md (four unnamed insns): Likewise.
6069 2006-03-15 Paul Brook <paul@codesourcery.com>
6071 * config/arm/arm.c (minipool_pad): New.
6072 (add_minipool_forward_ref): Include pool alignment padding in address
6074 (push_minipool_fix): Set minipool_pad.
6075 (minipool_pad): Ditto.
6077 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6079 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6080 instead of GET_CODE() == MEM and REG_P() instead of
6082 (print_operand_address): Likewise.
6083 (vax_address_cost): Likewise.
6084 (vax_rtx_costs): Likewise.
6085 (vax_notice_update_cc): Likewise.
6086 (vax_output_int_add): Likewise.
6087 (INDEX_REGISTER_P): Likewise.
6088 (BASE_REGISTER_P): Likewise.
6089 (nonindexed_address_p): Likewise.
6090 (vax_mode_dependent_address_p): Likewise.
6091 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6092 (PRINT_OPERAND): Likewise.
6093 * config/vax/vax.md (ashlsi3): Likewise.
6094 (ashlsi3): Likewise.
6095 (some more unnamed insns): Likewise.
6097 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6099 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6100 iterator-style macro.
6101 (mark_control_dependent_edges_necessary): Update the use of
6102 EXECUTE_IF_CONTROL_DEPENDENT.
6104 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6106 * config/sh/predicates.md (cache_address_operand): Special.
6107 (ua_address_operand): Likewise.
6109 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6111 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6113 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6115 2006-03-15 Andreas Schwab <schwab@suse.de>
6117 * gensupport.c (identify_predicable_attribute): Don't free p_false
6118 when it is still in use.
6120 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6122 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6123 the default setting here.
6125 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6127 * tree-pass.h (pass_cfg): Remove.
6128 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6129 * passes.c (pass_cfg): Don't run it.
6131 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6133 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6134 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6136 (stack_regs_mentioned): Update the uses of
6137 stack_regs_mentioned_data. Don't access the array beyond its
6139 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6140 Don't include gt-reg-stack.h.
6142 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6143 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6145 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6148 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6151 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6153 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6155 2006-03-14 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/26672
6158 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6161 2006-03-14 Richard Guenther <rguenther@suse.de>
6163 PR tree-optimization/26667
6164 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6165 node for the callees. Always allow inlining if it will shrink
6168 2006-03-14 Richard Guenther <rguenther@suse.de>
6171 * builtins.c (get_pointer_alignment): Prefer alignment
6172 information from decls over that from types.
6174 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6177 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6179 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6181 * config/rs6000/rs6000.opt (mdlmzb): New option.
6182 (msched-prolog, msched-epilog): Use Var not Mask.
6183 * doc/invoke.texi (-mdlmzb): Document.
6184 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6186 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6187 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6189 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6191 PR rtl-optimization/25739
6192 * bt-load.c (augment_live_range): Free tos pointer.
6194 * gensupport.c (identify_predicable_attribute): Free
6196 * gcov.c (create_file_names): Free name pointer.
6198 2006-03-13 Roger Sayle <roger@eyesopen.com>
6201 * stmt.c (emit_case_nodes): Handle the case where the index is a
6202 CONST_INT, where the comparison mode is specified by the index type.
6204 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6206 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6209 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6211 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6212 (*branch_fp_inverted): Likewise.
6214 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6217 * omp-low.c (expand_omp_for_generic): Mark istart0
6218 and iend0 as addressable.
6220 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6222 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6224 2006-03-13 Jeff Law <law@redhat.com>
6226 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6227 virtual operands are interesting.
6228 (vrp_visit_stmt): Corresponding changes.
6230 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6232 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6234 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6235 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6236 * config/bfin/crti.S: Use it instead of __PIC__.
6237 * config/bfin/crtn.S: Likewise.
6239 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6240 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6242 Lose 'G' modifier for call operand.
6243 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6244 recognize 'G' modifier.
6246 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6249 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6250 * stmt.c (expand_case): Likewise.
6252 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6254 PR rtl-optimization/26254
6255 * loop-invariant.c (seq_insns_valid_p): New function.
6256 (move_invariant_reg): Only emit new code if it is valid.
6258 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6260 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6262 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6263 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6264 (commit_one_edge_insertion): Do not look for loop notes.
6266 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6268 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6269 flag_test_coverage out of loop.
6271 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6273 * final.c (shorten_branches): Remove outdated comment, and turn
6274 the if branch that guards it to continue.
6276 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6278 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6279 * cfgloop.h (struct loop): Remove unused fields.
6281 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6283 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6284 (-dL, -fdump-rtl-loop2): Update the dump file names
6286 * doc/invoke.texi: Update dump file names.
6288 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6290 * predict.c (estimate_probability): Remove.
6291 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6292 * basic-block.h (estimate_probability): Remove prototype.
6293 * passes.c (finish_optimization_passes): Dump branch prediction or
6294 profiling heuristics to the .profile tree dump.
6295 (init_optimization_passes): Unqueue pass_branch_prob.
6297 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6299 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6301 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6302 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6304 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6306 * function.h (frame_offset_overflow): Declare.
6307 * function.c (frame_offset_overflow): New function.
6308 (assign_stack_local_1): Call it to detect that the offset overflows.
6309 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6311 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6313 * config/sh/sh.c: Include alloc-pool.h.
6314 (label_ref_list_pool): New alloc pool.
6315 (label_ref_list_t): New type for lists of labels.
6316 (struct pool_node): Make wend a label_ref_list_t.
6317 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6319 (dump_table): Likewise.
6320 (sh_reorg): Set up the alloc pool before using add_constant and
6321 dump_table, and destroy it when finishing.
6323 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6325 * config/mips/mips.c: Remove redundant comment.
6327 2006-03-10 Jason Merrill <jason@redhat.com>
6330 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6331 the target was declared 'register'.
6333 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6335 * genpreds.c (write_insn_constraint_len): Change definition of
6336 insn_constraint_len to return size_t to match the declaration.
6338 2006-03-10 DJ Delorie <dj@redhat.com>
6340 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6342 (m32c_expand_insv): Fix test for an AND mask.
6344 2006-03-10 Richard Guenther <rguenther@suse.de>
6347 * builtins.c (get_pointer_alignment): Handle component
6348 references for field alignment.
6350 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6352 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6353 when building with libgloss.
6354 (sh*elf): Implement --without-fp option.
6355 (sh64-superh-linux*): Don't multilib.
6357 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6359 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6361 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6363 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6364 Set it when one of the replacement functions returned true.
6365 Return TODO_cleanup_cfg if cfgchanged is true.
6366 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6368 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6370 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6371 instead of gen_lowpart.
6373 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6375 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6377 (mips_output_order_conditional_branch): Declare.
6378 * config/mips/mips.h (MIPS_BRANCH): New macro.
6379 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6380 for the comparison. Use gen_condjump.
6381 (mips_output_conditional_branch): Rework interface to take the
6382 asm templates for a direct branch and the inverse of a direct branch.
6383 (mips_output_order_conditional_branch): New function.
6384 (mips_builtin_branch_and_move): New function.
6385 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6386 branch condition. Use gen_single_cc as the condition for
6387 __builtin_mips_upper_* or __builtin_mips_lower_*.
6388 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6389 Use VOIDmode for the branch condition.
6390 * config/mips/predicates.md (order_operator): New predicate.
6391 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6392 (branch_fp): Rename to...
6393 (*branch_fp): ...this. Remove mode from comparison operator.
6394 Use new mips_output_conditional_branch interface.
6395 (branch_fp_inverted): Rename to...
6396 (*branch_fp_inverted): ...this and update as for *branch_fp.
6397 (*branch_zero<mode>): Rename to...
6398 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6399 Use mips_output_order_conditional_branch. Only accept ordered
6401 (*branch_zero<mode>_inverted): Rename to...
6402 (*branch_order<mode>_inverted): ...this and update as for
6403 *branch_order<mode>.
6404 (*branch_equality<mode>): Accept zero as the second operand to
6405 the equality operator. Use the new mips_output_conditional_branch
6407 (*branch_equality<mode>_inverted): Likewise.
6408 (condjump): New expander.
6409 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6411 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6412 (bc1any2t, bc1any2f): Likewise.
6413 (single_cc): New expander.
6414 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6416 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6418 * doc/md.texi: Update documentation of MIPS constraints.
6419 * config/mips/constraints.md: New file.
6420 * config/mips/mips.md: Include it.
6421 * config/mips/mips.c (mips_char_to_class): Delete.
6422 (override_options): Don't initialize mips_char_to_class.
6423 * config/mips/mips.h (mips_char_to_class): Delete.
6424 (REG_CLASS_FROM_LETTER): Delete.
6425 (CONST_OK_FOR_LETTER_P): Delete.
6426 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6427 (EXTRA_CONSTRAINT_Y): Delete.
6428 (EXTRA_CONSTRAINT_STR): Delete.
6429 (CONSTRAINT_LEN): Delete.
6430 (EXTRA_MEMORY_CONSTRAINT): Delete.
6432 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6434 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6435 original fn's eh regions.
6437 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6439 * fold-const.c (build_range_check): Make sure to use a valid type to
6440 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6443 (range_predecessor): New static function.
6444 (range_successor): Likewise.
6445 (merge_ranges): Use them to compute predecessors and successors of
6448 2006-03-09 Roger Sayle <roger@eyesopen.com>
6451 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6452 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6454 2006-03-08 DJ Delorie <dj@redhat.com>
6456 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6457 (addpsi3): Expand to include memory operands. Remove
6458 reload-specific splits.
6459 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6460 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6461 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6462 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6463 (shift1_qi, shift1_hi, insv): New.
6464 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6465 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6466 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6468 * config/m32c/m32c-protos.h: Update as needed.
6469 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6470 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6471 Fail for unrecognized R* constraints.
6472 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6473 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6474 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6476 (m32c_init_libfuncs): New.
6477 (m32c_legitimate_address_p): Add debug wrapper.
6478 (m32c_rtx_costs): New.
6479 (m32c_address_cost): New.
6480 (conversions): Add 'B' prefix.
6481 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6482 operands, or word regnames for QI operands. 'B' prints bit
6484 (m32c_expand_setmemhi): New.
6485 (m32c_expand_movmemhi): New.
6486 (m32c_expand_movstr): New.
6487 (m32c_expand_cmpstr): New.
6488 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6489 (m32c_expand_neg_mulpsi3): Handle non-ints.
6490 (m32c_cmp_flg_0): New.
6491 (m32c_expand_movcc): New.
6492 (m32c_expand_insv): New.
6493 (m32c_scc_pattern): New.
6494 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6495 a0/a1 out of SIregs.
6496 (STORE_FLAG_VALUE): New.
6497 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6500 * config/m32c/mov.md: Make constraints more liberal.
6501 (zero_extendqihi2): Optimize r0/r1 case.
6502 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6503 * config/m32c/predicates.md (m32c_any_operand): New.
6504 (m32c_nonimmediate_operand): New.
6505 (m32c_hl_operand): New.
6506 (m32c_r3_operand): New.
6509 (memsym_operand): New.
6510 (memimmed_operand): New.
6511 (a_qi_operand): New.
6512 (m32c_eqne_operator): New.
6513 (m32c_1bit8_operand): New.
6514 (m32c_1bit16_operand): New.
6515 (m32c_1mask8_operand): New.
6516 (m32c_1mask16_operand): New.
6517 * config/m32c/blkmov.md: New file.
6518 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6520 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6522 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6523 unsigned to fix signed/unsigned comparison issue in
6524 DWARF2_FRAME_REG_OUT.
6525 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6526 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6528 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6529 of ptr into the ENABLE_CHECKING section.
6531 2006-03-08 Jeff Law <law@redhat.com>
6533 * tree-vrp.c (infer_value_range): Only count pointer uses
6534 and dereferences if -fdelete-null-pointer-checks is enabled.
6536 * tree-vrp.c (find_assert_locations): Infer value ranges for
6537 single use pointers, but do not create ASSERT_EXPRs for them.
6538 When a non-null range is inferred for a pointer, backwards
6539 propagate that range to other equivalent pointers through the
6542 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6545 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6546 language hook targets.
6547 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6548 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6549 if language hook targets were missing.
6551 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6553 * tree-ssa-opfinalize.h: Removed.
6554 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6556 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6557 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6558 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6559 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6560 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6561 finalize_ssa_v_must_def_ops): New.
6563 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6565 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6568 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6570 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6572 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6573 addresses with offsets; reorganize.
6575 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6576 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6577 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6579 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6582 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6584 2006-03-08 Ben Elliston <bje@au.ibm.com>
6586 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6588 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6591 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6594 2006-03-07 Richard Guenther <rguenther@suse.de>
6596 PR tree-optimization/26587
6597 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6599 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6601 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6603 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6605 * hooks.c (hook_bool_mode_rtx_true): New function.
6606 * hooks.h (hook_bool_mode_rtx_true): Declare.
6607 * toplev.c (compile_file): Call output_shared_constant_pool.
6608 * varasm.c (shared_constant_pool): New variable.
6609 (assemble_start_function, assemble_end_function): Remove arguments
6610 from call to output_constant_pool.
6611 (create_constant_pool): New function, split out from...
6612 (init_varasm_status): ...here.
6613 (force_const_mem): Choose between the shared and per-function constant
6614 pools. Set current_function_uses_const_pool when reusing old entries
6615 as well as when creating new ones.
6616 (mark_constant): Ignore data argument.
6617 (mark_constants): Remove pool argument.
6618 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6619 to decide whether the function uses a constant pool.
6620 (output_constant_pool_contents): New function, split out from...
6621 (output_constant_pool): ...here.
6622 (output_shared_constant_pool): New function.
6623 (init_varasm_once): Initialize shared_constant_pool.
6624 * output.h (output_constant_pool): Delete.
6625 (output_shared_constant_pool): Declare.
6626 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6627 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6629 2006-03-06 Nick Clifton <nickc@redhat.com>
6631 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6632 flag_strength_reduce.
6634 2006-03-06 Ben Elliston <bje@au.ibm.com>
6636 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6637 x86_64-*-linux* configurations.
6639 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6640 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6642 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6644 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6646 * basic-block.h: Remove the extern for
6647 rediscover_loops_after_threading.
6649 * cfgloop.c (cancel_loop): Make it static.
6650 * cfgloop.h: Remove the prototype for cancel_loop.
6652 * flow.c (recompute_reg_usage): Make it static.
6653 * rtl.h: Remove the prototype for recompute_reg_usage.
6655 * function.c (use_return_register): Make it static.
6656 * function.h: Remove the prototype.
6658 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6660 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6662 * recog.h: Remove the prototype for
6663 validate_change_maybe_volatile.
6665 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6667 * rtlanal.c (replace_reg): Remove.
6668 * rtl.h: Remove the prototype for replace_reg.
6670 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6672 * regclass.c (reg_scan_update): Remove.
6673 (reg_scan_mark_refs): Remove the last argument.
6674 * rtl.h: Remove the prototype for reg_scan_update.
6676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6678 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6679 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6680 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6681 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6682 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6683 loop-invariant.c, omp-low.c, opts.c, passes.c,
6684 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6685 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6686 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6687 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6688 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6689 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6693 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6694 * dwarf2out.h: Remove the prototype for
6695 dwarf2out_add_library_unit_info.
6697 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6699 * tree.c (add_var_to_bind_expr): Remove.
6700 * tree.h: Remove the prototype for add_var_to_bind_expr.
6702 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6704 * regclass.c (n_non_fixed_regs): Remove.
6705 (init_reg_sets_1, globalize_reg): Remove all uses of
6707 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6709 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6711 * rtlanal.c (insns_safe_to_move_p): Remove.
6712 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6714 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6716 * expmed.c (expand_mult_add): Remove.
6717 * expr.h: Remove the prototype for expand_mult_add.
6719 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6721 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6722 and REG_SAVED_VAL_EXP constants.
6723 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6724 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6725 Handle regs stored by value.
6726 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6727 (execute_cfa_program): Handle DW_CFA_val_offset,
6728 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6729 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6730 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6731 (uw_install_context_1): Handle target regs stored by value.
6733 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6735 * tree-sra.c (tree_sra): Return todoflags;
6736 (generate_one_element): Set TODO_update_smt_usage if needed.
6737 (pass_sra): Remove TODO_update_smt_usage.
6738 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6740 (tree_ssa_forward_propagate_single_use_vars): Return
6741 TODO_update_smt_usage if we need to update SMT usage.
6742 (pass_forwprop): Remove TODO_update_smt_usage.
6744 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6746 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6747 (correct_use_link): Remove reference to get_stmt_operands.
6748 (update_stmt_operands): Likewise.
6749 (get_modify_expr_operands): New function factored out of
6750 parse_ssa_operands and get_expr_operands.
6751 Try to create V_MUST_DEFs for LHS by default.
6752 (get_expr_operands) <case MODIFY_EXPR>: Call
6753 get_modify_expr_operands.
6754 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6755 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6756 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6757 get_modify_expr_operands.
6759 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6761 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6762 * tree-flow.h: Remove the prototype for
6763 referenced_var_lookup_if_exists.
6765 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6767 PR rtl-optimization/26345
6769 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6771 2006-03-03 Roger Sayle <roger@eyesopen.com>
6773 PR tree-optimization/26524
6774 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6775 fold_convert to create a constant of the appropriate type.
6777 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6779 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6780 SYMBOL_REF_IN_BLOCK_P.
6781 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6782 of SYMBOL_FLAG_IN_BLOCK.
6783 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6784 instead of SYMBOL_REF_IN_BLOCK_P.
6785 * explow.c (use_anchored_address): Likewise.
6786 * rtl.c (rtx_size): Likewise.
6787 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6788 instead of SYMBOL_FLAG_IN_BLOCK.
6789 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6790 SYMBOL_REF_IN_BLOCK_P.
6791 (assemble_variable): Likewise.
6792 (output_constant_def_contents): Likewise.
6793 (output_constant_pool): Likewise.
6794 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6795 instead of SYMBOL_FLAG_IN_BLOCK.
6796 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6797 SYMBOL_REF_IN_BLOCK_P.
6798 (SYMBOL_REF_BLOCK): Likewise.
6799 (SYMBOL_REF_OFFSET): Likewise.
6800 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6801 SYMBOL_REF_IN_BLOCK_P.
6802 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6803 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6804 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6805 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6807 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6809 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6811 2006-03-02 Roger Sayle <roger@eyesopen.com>
6813 * simplify-rtx.c (simplify_unary_operation): When simplifying
6814 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6815 that we perform the right shift in the appropriate mode, and
6816 then extend or truncate the result to requested mode.
6818 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6820 * gengtype.c (main): Handle double_int type.
6821 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6822 * double-int.c: New file.
6823 * double-int.h: New file.
6824 * system.h: Include doubleint.h.
6825 * Makefile.in (SYSTEM_H): Include double-int.h.
6826 (double-int.o): Add.
6828 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6831 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6834 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6836 * tree-vrp.c (remove_range_assertions): Do not update statements
6839 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6841 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6843 * gcse.c (rest_of_handle_gcse): Ditto.
6844 * except.c (gate_handle_eh): Ditto.
6845 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6846 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6848 2006-03-02 Eric Christopher <echristo@apple.com>
6850 * config/i386/i386.c (machopic_output_stub): Add indirection to
6853 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6857 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6859 Sun Niagara specific optimizations.
6860 * config.gcc: Recognize niagara as target.
6861 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6862 (TARGET_CPU_niagara): Define.
6863 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6864 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6865 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6866 (ASM_CPU_SPEC): Likewise.
6867 (PROCESSOR_NIAGARA): New enum entry.
6868 (REGISTER_MOVE_COST): Handle Niagara.
6869 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6870 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6871 (sparc_override_options): Recognize "niagara", set appropriate
6872 default MASK_* values for it, and align functions to 32-bytes
6873 by default just like ULTRASPARC/ULTRASPARC3.
6874 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6875 (sparc64_initialize_trampoline): Likewise.
6876 (sparc_use_sched_lookahead): Use zero for niagara.
6877 (sparc_issue_rate): Use one for niagara.
6878 * config/sparc/niagara.md: New file.
6879 * config/sparc/sparc.md: Include it.
6880 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6881 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6882 when default cpu is niagara.
6883 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6884 (ASM_CPU_SPEC): Likewise.
6885 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6886 when default cpu is niagara.
6887 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6888 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6889 just like v9/ultrasparc/ultrasparc3.
6890 * doc/invoke.texi: Add documentation for "niagara" and improve
6891 existing documentation for ultrasparc variants.
6893 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6895 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6897 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6899 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6900 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6901 and say that only one is needed.
6902 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6903 * target.h (have_switchable_bss_sections): New hook.
6904 * explow.c (use_anchored_address): Check that the symbol is in a block.
6905 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6906 (bss_noswitch_section): New variables.
6907 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6908 (get_noswitch_section): New function.
6909 (get_block_for_section): Allow SECT to be null.
6910 (unlikely_text_section_p): Use SECTION_STYLE.
6911 (bss_initializer_p): New function.
6912 (get_variable_section): Move earlier in file. Take a new argument,
6913 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6914 Return one of the new *_sections in such cases.
6915 (get_block_for_decl): New function, extracting some logic from
6916 use_blocks_for_decl_p.
6917 (change_symbol_section): Remove in favor of...
6918 (change_symbol_block): ...this new function.
6919 (use_blocks_for_decl_p): Remove checks now performed by
6921 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6922 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6923 (emit_local, emit_bss, emit_common): ...these new functions.
6924 Return true if the alignment was honored.
6925 (emit_tls_common): New function.
6926 (asm_emit_uninitialised): Delete.
6927 (assemble_variable_noswitch): New function, split out from...
6928 (assemble_variable): ...here. Don't make decisions about common
6929 variables here. Globalize all public decls that go into non-common
6930 sections. Check whether SYMBOL_REF_BLOCK is null.
6931 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6932 (output_constant_pool): Likewise.
6933 (init_varasm_once): Initialize the new section variables.
6934 (have_global_bss_p): New function.
6935 (categorize_decl_for_section): Use bss_initializer_p.
6936 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6937 (place_block_symbol): Assert that the symbol must be in a block.
6938 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6939 (TARGET_INITIALIZER): Include it.
6940 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6941 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6942 (SECTION_MACH_DEP): Bump by two.
6943 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6944 (unnamed_section): Mention SECTION_UNNAMED in comment.
6945 (named_section): Likewise SECTION_NAMED.
6946 (noswitch_section_callback): New type.
6947 (noswitch_section): New structure.
6948 (section): Add a noswitch_section alternative.
6949 (SECTION_STYLE): New macro.
6950 (tls_comm_section, comm_section, lcomm_section): Declare.
6951 (bss_noswitch_section, have_global_bss_p): Declare.
6952 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6953 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6955 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6956 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6959 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6961 * tree-vrp.c (execute_vrp): Return value.
6962 * regrename.c (rest_of_handle_regrename): Ditto.
6963 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6964 * tree-complex.c (tree_lower_complex): Ditto.
6965 (tree_lower_complex_O0): Ditto.
6966 * tracer.c (rest_of_handle_tracer): Ditto.
6967 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6968 * postreload.c (rest_of_handle_postreload): Ditto.
6969 * tree-tailcall.c (execute_tail_recursion): Ditto.
6970 (execute_tail_calls): Ditto.
6971 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6972 * tree.h (init_function_for_compilation): Ditto.
6973 * ipa-cp.c (ipcp_driver): Ditto.
6974 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6975 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6976 * final.c (compute_alignments): Ditto.
6977 (rest_of_handle_final): Ditto.
6978 (rest_of_handle_shorten_branches): Ditto.
6979 (rest_of_clean_state): Ditto.
6980 * omp-low.c (execute_expand_omp): Ditto.
6981 (execute_lower_omp): Ditto.
6982 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6983 * ipa-reference.c (static_execute): Ditto.
6984 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6985 * reorg.c (rest_of_handle_delay_slots): Ditto.
6986 (rest_of_handle_machine_reorg): Ditto.
6987 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6988 * flow.c (recompute_reg_usage): Ditto.
6989 (rest_of_handle_remove_death_notes): Ditto.
6990 (rest_of_handle_life): Ditto.
6991 (rest_of_handle_flow2): Ditto.
6992 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6993 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6994 (do_ssa_store_ccp): Ditto.
6995 (execute_fold_all_builtins): Ditto.
6996 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6997 * modulo-sched.c (rest_of_handle_sms): Ditto.
6998 * ipa-pure-const.c (static_execute): Ditto.
6999 * cse.c (rest_of_handle_cse): Ditto.
7000 (rest_of_handle_cse2): Ditto.
7001 * web.c (rest_of_handle_web): Ditto.
7002 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7003 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7004 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7005 * tree-nrv.c (tree_nrv): Ditto.
7006 (execute_return_slot_opt): Ditto.
7007 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7008 (create_structure_vars): Ditto.
7009 * loop-init.c (rtl_loop_init): Ditto.
7010 (rtl_loop_done): Ditto.
7011 (rtl_move_loop_invariants): Ditto.
7012 (rtl_unswitch): Ditto.
7013 (rtl_unroll_and_peel_loops): Ditto.
7014 (rtl_doloop): Ditto.
7015 * gimple-low.c (lower_function_body): Ditto.
7016 (mark_used_blocks): Ditto.
7017 * tree-ssa-sink.c (execute_sink_code): Ditto.
7018 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7019 (cgraph_early_inlining): Ditto.
7020 * global.c (rest_of_handle_global_alloc): Ditto.
7021 * jump.c (cleanup_barriers): Ditto.
7022 (purge_line_number_notes): Ditto.
7023 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7024 (rest_of_handle_if_after_reload): Ditto.
7025 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7026 (tree_ssa_loop_im): Ditto.
7027 (tree_ssa_loop_unswitch): Ditto.
7028 (tree_vectorize): Ditto.
7029 (tree_linear_transform): Ditto.
7030 (tree_ssa_loop_ivcanon): Ditto.
7031 (tree_ssa_empty_loop): Ditto.
7032 (tree_ssa_loop_bounds): Ditto.
7033 (tree_complete_unroll): Ditto.
7034 (tree_ssa_loop_prefetch): Ditto.
7035 (tree_ssa_loop_ivopts): Ditto.
7036 (tree_ssa_loop_done): Ditto.
7037 * predict.c (tree_estimate_probability): Ditto.
7038 * recog.c (split_all_insns_noflow): Ditto.
7039 (rest_of_handle_peephole2): Ditto.
7040 (rest_of_handle_split_all_insns): Ditto.
7041 * tree-eh.c (lower_eh_constructs): Ditto.
7042 * regmove.c (rest_of_handle_regmove): Ditto.
7043 (rest_of_handle_stack_adjustments): Ditto.
7044 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7045 * function.c (instantiate_virtual_regs): Ditto.
7046 (init_function_for_compilation): Ditto.
7047 (rest_of_handle_check_leaf_regs): Ditto.
7048 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7049 (rest_of_handle_gcse): Ditto.
7050 * ipa-type-escape.c (type_escape_execute): Ditto.
7051 * alias.c (rest_of_handle_cfg): Ditto.
7052 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7053 * profile.c (rest_of_handle_branch_prob): Ditto.
7054 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7055 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7056 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7057 * tree-dfa.c (find_referenced_vars): Ditto.
7058 * except.c (set_nothrow_function_flags): Ditto.
7059 (convert_to_eh_region_ranges): Ditto.
7060 (rest_of_handle_eh): Ditto.
7061 * emit-rtl.c (unshare_all_rtl): Ditto.
7062 (remove_unnecessary_notes): Ditto.
7063 * except.h (set_nothrow_function_flags): Ditto.
7064 (convert_to_eh_region_ranges): Ditto.
7065 * cfgexpand.c (tree_expand_cfg): Ditto.
7066 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7067 * tree-ssa-pre.c (do_pre): Ditto.
7068 (execute_fre): Ditto.
7069 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7070 (rest_of_handle_jump2): Ditto.
7071 * tree-sra.c (tree_sra): Ditto.
7072 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7073 (execute_mudflap_function_decls): Ditto.
7074 * tree-ssa-copy.c (do_copy_prop): Ditto.
7075 (do_store_copy_prop): Ditto.
7076 * ipa-prop.h (ipcp_driver): Ditto.
7077 * cfglayout.c (insn_locators_initialize): Ditto.
7078 * tree-ssa-forwprop.c
7079 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7080 * cfglayout.h (insn_locators_initialize): Ditto.
7081 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7082 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7083 (execute_late_warn_uninitialized): Ditto.
7084 * rtl.h (cleanup_barriers): Ditto.
7085 (split_all_insns_noflow): Ditto.
7086 (purge_line_number_notes): Ditto.
7087 (unshare_all_rtl): Ditto.
7088 (remove_unnecessary_notes): Ditto.
7089 (recompute_reg_usage): Ditto.
7090 (variable_tracking_main): Ditto.
7091 * integrate.c (emit_initial_value_sets): Ditto.
7092 * integrate.h (emit_initial_value_sets): Ditto.
7093 * tree-optimize.c (execute_free_datastructures): Ditto
7094 (execute_free_cfg_annotations): Ditto.
7095 (execute_fixup_cfg): Ditto.
7096 (execute_cleanup_cfg_pre_ipa): Ditto.
7097 (execute_cleanup_cfg_post_optimizing): Ditto.
7098 (execute_init_datastructures): Ditto.
7099 * tree-object-size.c (compute_object_sizes): Ditto.
7100 * combine.c (rest_of_handle_combine): Ditto.
7101 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7102 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7103 (rest_of_handle_reorder_blocks): Ditto.
7104 (rest_of_handle_partition_blocks): Ditto.
7105 * var-tracking.c (variable_tracking_main): Ditto.
7106 * tree-profile.c (tree_profiling): Ditto.
7107 * tree-vect-generic.c (expand_vector_operations): Ditto.
7108 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7109 * sched-rgn.c (rest_of_handle_sched): Ditto.
7110 (rest_of_handle_sched2): Ditto.
7111 * basic-block.h (free_bb_insn): Ditto.
7112 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7113 * tree-cfg.c (execute_build_cfg): Ditto.
7114 (remove_useless_stmts): Ditto.
7115 (split_critical_edges): Ditto.
7116 (execute_warn_function_return): Ditto.
7117 (execute_warn_function_noreturn): Ditto.
7118 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7119 * cfgrtl.c (free_bb_for_insn): Ditto.
7120 * passes.c (execute_one_pass): Run additional
7121 todos returned by execute function.
7122 * tree-pass.h (struct tree_opt_pass): Make execute
7125 2006-03-02 Richard Guenther <rguenther@suse.de>
7127 * tree-ssa-alias.c (find_used_portions): Consider taking
7128 the address as making the variable not write-only.
7130 2006-03-02 Nick Clifton <nickc@redhat.com>
7132 * config.gcc (default_use_cxa_atexit): Extend the description of
7133 this configure variable. Set its default value to "yes" for
7134 Linux, NetBSD and ELF targets on the assumption that they will
7135 use C libraries with the __cxa_atexit function.
7137 2006-03-02 Ben Elliston <bje@au.ibm.com>
7139 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7140 parameter as unused to suppress a build warning.
7142 2006-03-02 Ben Elliston <bje@au.ibm.com>
7144 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7147 2006-03-01 Roger Sayle <roger@eyesopen.com>
7150 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7151 declared name, the weak reference name, and the typeof name.
7152 (__gthrw): Avoid expanding the declared name suffix.
7153 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7155 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7157 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7159 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7160 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7161 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7162 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7163 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7164 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7165 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7166 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7167 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7168 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7169 (DW_END_default, DW_END_big, DW_END_little): New.
7170 (DW_END_lo_user, DW_END_hi_user): Define.
7171 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7172 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7173 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7176 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7178 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7180 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7182 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7184 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7186 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7187 to 'symbol_mem_tag'.
7189 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7192 2006-03-01 Roger Sayle <roger@eyesopen.com>
7194 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7196 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7199 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7200 MACHO_DYNAMIC_NO_PIC_P.
7201 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7203 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7206 * config/darwin-protos.h (darwin_asm_output_anchor):
7208 * config/darwin-sections.def (cstring_section):
7209 Add SECTION_MERGE to the flags.
7210 (literal4_section): Likewise.
7211 (literal8_section): Likewise.
7212 (objc_selector_refs_section): Likewise.
7213 (objc_cls_refs_section): Likewise.
7214 * config/darwin.c (darwin_asm_output_anchor): New
7216 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7218 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7220 Fix PR tree-optimization/26443
7221 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7222 to todo and PROP_tmt_usage to properties_destroyed.
7223 * tree-ssa-ccp.c (pass_ccp): Ditto.
7224 (pass_store_ccp): Ditto.
7225 * tree-ssa-dom.c (pass_dominator): Ditto.
7227 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7229 * tree-ssa-operands.c: Cleanup whitespace.
7230 (get_asm_expr_operands): Move before first invocation.
7231 (get_indirect_ref_operands): Likewise.
7232 (get_tmr_operands): Likewise.
7233 (get_call_expr_operands): Likewise.
7234 (append_def): Likewise.
7235 (append_use): Likewise.
7236 (append_v_may_def): Likewise.
7237 (append_v_must_def): Likewise.
7238 (add_call_clobber_ops): Likewise.
7239 (add_call_read_ops): Likewise.
7240 (add_stmt_operand): Likewise.
7241 (add_virtual_operand): Likewise.
7242 (build_ssa_operands): Likewise.
7244 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7249 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7250 with a call expr to ...
7251 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7253 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7255 * tree-vrp.c (extract_range_from_assert): Remove special
7256 handling for types with super-types.
7258 2006-03-01 Ben Elliston <bje@au.ibm.com>
7260 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7261 and powerpc64-*-linux* configurations.
7262 * config/t-dfprules: New file.
7264 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7265 Compile dfp-bit.c from the source directory using -DWIDTH and
7266 $DFP_CFLAGS to control the compilation of that file, rather than
7267 generating width-specific versions in the build directory.
7268 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7269 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7271 2006-02-28 Zack Weinberg <zackw@panix.com>
7273 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7276 2006-02-28 Eric Christopher <echristo@apple.com>
7278 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7279 Set up IN_LIBGCC definition of TARGET_64BIT.
7280 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7282 2006-02-28 Roger Sayle <roger@eyesopen.com>
7285 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7286 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7287 cases via the construction of "expr != 0".
7289 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7291 * alias.c (alias_invariant, alias_invariant_size): Remove.
7292 (record_base_value): Remove.
7293 (memrefs_conflict_p): Don't look at alias_invariant.
7294 (end_alias_analysis): Don't free it.
7295 * alias.h (record_base_value): Remove prototype.
7297 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7298 Adam Nemet <anemet@caviumnetworks.com>
7300 * rtl.h (truncated_to_mode): Declare it.
7301 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7302 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7303 (RTL_HOOKS_INITIALIZER): Include it.
7304 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7305 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7306 reg_truncated_to_mode.
7307 * rtlanal.c (truncated_to_mode): Define it.
7308 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7310 2006-02-28 Jeff Law <law@redhat.com>
7312 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7313 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7314 the range allowed by TYPE_PRECISION.
7316 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7318 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7320 PR tree-optimization/26419
7321 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7324 2006-02-27 Zack Weinberg <zackw@panix.com>
7326 * doc/md.texi: Fix typo in previous change.
7328 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7332 2006-02-27 Zack Weinberg <zackw@panix.com>
7334 * rtl.def (define_constraint, define_register_constraint)
7335 (define_memory_constraint, define_address_constraint): New MD forms.
7336 * gensupport.c (process_rtx): Put define_constraint etc on the
7338 * genpreds.c (process_define_predicate): Adjust comment. Validate
7339 the name, and call validate_exp to validate the expression.
7340 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7341 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7342 all callers changed.
7343 (validate_exp, needs_variable, struct constraint_data)
7344 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7345 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7346 (const_dbl_constraints, constraint_max_namelen)
7347 (have_register_constraints, have_memory_constraints)
7348 (have_address_constraints, have_address_constraints)
7349 (have_extra_constraints, have_const_int_constraints)
7350 (have_const_dbl_constraints, mangle, add_constraint)
7351 (process_define_constraint, process_define_register_constraint)
7352 (write_enum_constraint_num, write_lookup_constraint)
7353 (write_insn_constraint_len, write_regclass_for_constraint)
7354 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7355 (write_insn_extra_memory_constraint)
7356 (write_insn_extra_address_constraint)
7357 (write_satisfies_constraint_fns): New.
7358 (write_tm_preds_h): If we have new-style constraint definitions,
7359 prototype the functions generated from them, and define the
7360 old constraint interface (still used by generic code) in terms of
7362 (write_insn_preds_c): If we have new-style constraint definitions,
7363 generate all relevant functions from those definitions.
7364 (main): Handle define_constraint etc.
7365 * genoutput.c (struct constraint_data, indep_constraints)
7366 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7367 (mdep_constraint_len): New data structures and functions, defined
7368 #ifdef USE_MD_CONSTRAINTS.
7369 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7370 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7371 use new logic to validate operand constraints against constraint
7373 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7375 * defaults.h: If none of the old-style constraint macros are
7376 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7377 old-style macros; and poison REG_CLASS_FROM_LETTER,
7378 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7380 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7381 * doc/md.texi: Document new constraint-definition mechanism and the
7382 C interface it provides. Remove references to old mechanism
7383 elsewhere in the document.
7384 (Machine Constraints): Use pathnames relative to gcc directory,
7385 i.e. config/ARCH/FILE. Change i386 section to refer to
7386 config/i386/predicates.md; update that section to match docstrings.
7387 * doc/tm.texi: Move all documentation of the old constraint-
7388 definition macros to their own section, clearly mark as obsolete.
7390 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7391 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7393 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7394 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7395 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7397 (splits and peepholes): Use satisfies_constraint_*.
7398 * config/i386/i386.c (memory_address_length)
7399 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7401 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7403 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7404 scalar operation to be put back into the loop.
7406 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7409 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7410 (extract_cie_info): Handle S flag in augmentation string.
7411 (execute_cfa_program): If context->signal_frame, execute also
7412 fs->pc == context->ra instructions.
7413 (uw_frame_state_for): If context->signal_frame, don't subtract one
7414 from context->ra to find FDE.
7415 (uw_update_context_1): Set context->signal_frame to
7417 (_Unwind_GetIPInfo): New function.
7418 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7419 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7421 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7422 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7423 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7424 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7425 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7426 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7427 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7428 x86_64_fallback_frame_state): Set fs->signal_frame.
7429 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7430 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7431 (frob_update_context): Likewise. Workaround missing S flag in
7432 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7433 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7434 Remove the psw_addr + 1 hack.
7436 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7438 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7439 with aggregates here.
7440 (find_func_aliases): Remove code for &<aggregate> from here.
7442 2006-02-26 Roger Sayle <roger@eyesopen.com>
7444 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7445 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7446 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7449 2006-02-26 Roger Sayle <roger@eyesopen.com>
7452 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7454 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7456 * opts.c (decode_options): Do not handle flag_strength_reduce.
7457 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7458 and OPT_fstrength_reduce.
7459 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7460 flag_prefetch_loop_arrays for being nonzero.
7461 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7463 (fprefetch-loop-arrays-rtl): Removed.
7464 (flag_prefetch_loop_arrays): Do not specify the value.
7466 * doc/passes.texi: Update documentation of loop optimizer
7468 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7469 -frerun-loop-opt): Remove.
7471 2006-02-26 Richard Guenther <rguenther@suse.de>
7473 PR tree-optimization/26421
7474 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7475 in function calls that are ADDR_EXPRs as using the whole structure.
7477 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7479 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7480 * tree-pass.h (pass_loop_optimize): Remove.
7481 * passes.c (pass_loop_optimize): Never run it.
7482 * toplev.c (backend_init): Don't call init_loop.
7483 * opts.c (flag_loop_optimize_set): Remove.
7484 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7485 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7486 the old RTL loop optimizer when profiling enabled.
7487 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7488 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7489 pre-headers for the sake of the old RTL loop optimizer.
7490 * Makefile.in: Remove all references to loop.o.
7492 * doc/invoke.texi: Remove all references to -floop-optimize
7493 and -frerun-loop-opt.
7495 2006-02-26 Zack Weinberg <zackw@panix.com>
7497 * doc/md.texi (Machine Constraints): Refer to all files with paths
7498 relative to gcc directory (i.e. config/CPU/file). Add missing
7499 @table @code ... @end table to M32C subsection.
7501 2006-02-26 Roger Sayle <roger@eyesopen.com>
7503 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7505 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7507 2006-02-26 Roger Sayle <roger@eyesopen.com>
7508 James A. Morrison <phython@gcc.gnu.org>
7511 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7512 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7513 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7514 signedness of the shift operation.
7516 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7518 PR tree-optimization/26359
7519 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7521 2006-02-25 Roger Sayle <roger@eyesopen.com>
7523 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7524 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7525 as X == 0, and some symmetry related transformations.
7526 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7528 2006-02-25 Roger Sayle <roger@eyesopen.com>
7531 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7532 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7533 symmetry related transformations. Fold (X^C1) == C2 as
7536 2006-02-25 Juergen Weigert <jw@suse.de>
7537 Richard Guenther <rguenther@suse.de>
7539 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7541 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7543 * combine.c (gen_lowpart_or_truncate): Call
7544 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7546 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7548 * doc/invoke.texi: Move -fopenmp description to "Options for
7550 Remove reference to -lgomp.
7552 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7554 * doc/install.texi: Require GNU tar version 1.14.
7556 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7558 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7559 * doc/invoke.texi (C++ Dialect Options): Document
7560 -fno-use-cxa-get-exception-ptr.
7561 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7562 * configure: Regenerate.
7563 * c.opt (fuse-cxa-get-exception-ptr): New.
7564 * c-opts.c (c_common_handle_option): Handle
7565 OPT_fuse_cxa_get_exception_ptr.
7566 * c-common.c (flag_use_cxa_atexit): Update documentation.
7567 (flag_use_cxa_get_exception_ptr): New.
7568 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7569 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7571 (C_COMMON_OVERRIDE_OPTIONS): New.
7573 2006-02-24 Roger Sayle <roger@eyesopen.com>
7576 * combine.c (try_combine): Explicitly check whether GET_CODE is
7577 a SET or a CLOBBER, instead on checking that it isn't a USE.
7579 2006-02-24 Roger Sayle <roger@eyesopen.com>
7581 * fold-const.c (fold_comparison): New subroutine of fold_binary
7582 containing transformations common to both the equality and
7583 ordering relational operators, factored out of fold_binary.
7584 (fold_binary): Separate out the equality operators (EQ_EXPR
7585 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7586 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7587 transformations common to both.
7588 (fold_div_compare): Fix latent bugs in the previously unreachable
7589 LT_EXPR and GE_EXPR cases.
7591 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7593 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7594 decl libname for clog to __clog on AIX.
7596 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7598 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7601 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7602 output traceback table for thunks. Localise rs6000_stack_info call.
7604 2006-02-23 Roger Sayle <roger@eyesopen.com>
7605 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7607 * gthr-posix.h (__gthrw): Fix typo in comment.
7609 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7611 * doc/cpp.texi (Character sets): Document that we do support
7612 input files to be in any character set.
7614 2006-02-23 Jeff Law <law@redhat.com>
7616 * tree.h (PHI_ARG_NONZERO): Remove.
7617 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7618 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7619 node to the new node.
7621 PR tree-optimization/26425
7622 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7623 min/max, then assume its varying.
7625 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7627 PR rtl-optimization/26316
7628 * rtlanal.c (enum may_trap_p_flags): New.
7629 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7630 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7631 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7632 (may_trap_after_code_motion_p): New function.
7633 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7634 (find_invariant_insn): Use may_trap_after_code_motion_p.
7635 * rtl.h (may_trap_after_code_motion_p): Declare.
7637 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7639 * emit-rtl.c (immed_double_const): Cleanup.
7641 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7643 Fix PR tree-optimization/26376
7644 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7647 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7650 * gimplify.c (omp_add_variable): Guard variable size decl test with
7651 DECL_SIZE (decl) check.
7653 2006-02-23 Richard Guenther <rguenther@suse.de>
7656 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7657 like aggregate types.
7659 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7661 * configure.ac: Add --with{,out}-long-double-128 configure option.
7662 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7663 * configure: Rebuilt.
7664 * config.in: Rebuilt.
7665 * doc/install.texi (Options specification): Document
7666 --with-long-double-128.
7668 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7669 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7670 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7671 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7673 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7675 * config/s390/s390.c (override_options): Handle
7676 TARGET_DEFAULT_LONG_DOUBLE_128.
7678 * config/alpha/alpha.c (override_options): Handle
7679 TARGET_DEFAULT_LONG_DOUBLE_128.
7681 * config/sparc/sparc.c (sparc_override_options): Handle
7682 TARGET_DEFAULT_LONG_DOUBLE_128.
7684 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7686 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7687 (real-install-headers-tar, real-install-headers-cpio)
7688 (real-install-headers-cp): New targets.
7690 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7692 * tree.h (variable_section): Delete.
7693 * varasm.c (variable_section): Delete.
7695 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7697 * install.texi: Add notes on install.texi2html.
7698 (Building in parallel): Do not use footnotes.
7700 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7703 * doc/install.texi (Configuration): Document --disable-libgomp.
7705 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7707 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7709 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7711 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7712 (vec_extractv2df_0_sse): New.
7714 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7716 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7717 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7718 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7719 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7720 to the result of the expression.
7721 (def_cfa_1): Adjust.
7722 (frame_pointer_cfa_offset): Rename to...
7723 (frame_pointer_fb_offset): ... this. Adjust all uses.
7724 (convert_cfa_to_loc_list): Rename to...
7725 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7726 Pass it on to build_cfa_loc.
7727 (compute_frame_pointer_to_cfa_displacement): Rename to...
7728 (compute_frame_pointer_to_fb_displacement): ... this. New
7729 offset parameter. Use it in computation.
7730 (gen_subprogram_die): Compute cfa_fb_offset with the new
7731 macro, and use it to compute the fb loc list and the
7734 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7736 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7737 replaced with register_operand.
7738 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7739 non-DREG is expensive.
7740 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7741 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7744 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7746 * doc/install.texi2html: Use set -e.
7748 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7750 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7751 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7752 * doc/invoke.texi (-fshared-data): Delete.
7753 * common.opt (fshared-data): Delete.
7754 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7755 (assemble_static_space): Remove #if 0 code.
7756 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7757 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7758 * config/cris/cris.h: Remove FIXME.
7760 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7762 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7765 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7768 * combine.c (simplify_shift_const_1): Disable nested shifts
7769 optimization for vector shifts.
7771 2006-02-20 Roger Sayle <roger@eyesopen.com>
7773 PR tree-optimization/26361
7774 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7775 of unsigned integer types.
7777 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7779 * tree-chrec.c (eq_evolutions_p): New.
7780 * tree-chrec.h (eq_evolutions_p): Declared.
7781 * tree-data-ref.c: Fix formatting.
7782 (datadep_stats, dependence_stats): New.
7784 (print_direction_vector): New.
7785 (dump_data_dependence_relation): Use print_direction_vector.
7786 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7787 (compute_subscript_distance): Static.
7788 (initialize_data_dependence_relation): Static. Get the number
7789 of loops surrounding the references from the callers, and initialize
7790 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7791 base_object_differ_p analyzers.
7792 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7793 compute_overlap_steps_for_affine_1_2,
7794 analyze_subscript_affine_affine): Count the classified dependences.
7795 Print a message when a test failed.
7796 (can_use_analyze_subscript_affine_affine): New.
7797 (analyze_siv_subscript): Compute the data dependences on symbolic
7798 scevs that verify can_use_analyze_subscript_affine_affine.
7799 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7800 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7801 Handle symbolic scevs.
7802 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7804 (subscript_dependence_tester): Moved...
7805 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7806 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7807 DDR_SIZE_VECT instead of getting it in parameter.
7808 (subscript_dependence_tester): ... here. Take as a parameter
7809 loop_nest_depth. Call build_classic_dist_vector and
7810 build_classic_dir_vector.
7811 (compute_affine_dependence): Update subscript_dependence_tester
7812 parameters. Update datadep_stats counters. Call
7813 compute_subscript_distance.
7814 (compute_self_dependence): Save the dist and dir vectors. Call
7815 compute_subscript_distance.
7816 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7817 (compute_all_dependences): Reorder parameters as they were before
7818 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7819 compute_subscript_distance. Update the use of
7820 compute_affine_dependence and initialize_data_dependence_relation.
7821 (find_data_references_in_loop): Handle COMPONENT_REF.
7822 (compute_data_dependences_for_loop): Initialize dependence_stats.
7823 Don't call build_classic_dist_vector and build_classic_dir_vector.
7824 Update the parameters of initialize_data_dependence_relation and
7825 compute_all_dependences. Print the statistics from datadep_stats.
7826 (analyze_all_data_dependences): Static. Not used until the pass for
7827 checking the data dependences is contributed.
7828 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7829 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7830 (initialize_data_dependence_relation, compute_affine_dependence,
7831 analyze_all_data_dependences, compute_subscript_distance): Removed.
7832 (print_direction_vector): New.
7833 * lambda.h (gcd): ... here.
7834 (lambda_vector_gcd): Moved here from gcd_vector.
7835 * lambda-code.c (gcd, gcd_vector): Removed.
7836 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7837 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7839 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7841 * ipa-type-escape.c: Tidy some comments and white space.
7842 * tree-ssa-operands.c: Likewise.
7844 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7847 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7848 (dump_decl_name): Do not walk the decl tree chains.
7849 * tree-pass.h (TDF_CHAIN): Remove.
7851 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7853 * Makefile.in (C): Remove
7855 (.PHONY): Remove C and PROTO
7857 2006-02-20 Roger Sayle <roger@eyesopen.com>
7860 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7861 deprecated CHAR_TYPE tree code.
7863 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7865 * configure.ac (target_list): Add install-info, dvi, html.
7866 * configure: Regenerate.
7868 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7869 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7870 treelang/Make-lang.in: Do not use double-colon rules.
7872 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7874 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7875 (TMT_USED_ALONE): New macro.
7876 * tree-pass.h (PROP_tmt_usage): New property.
7877 (TODO_update_tmt_usage): New todo.
7878 * tree-ssa-alias.c (updating_used_alone): New variable.
7879 (recalculate_used_alone): New function.
7880 (compute_may_aliases): Set updating_used_alone, call
7881 recalculate_used_alone.
7882 * tree-sra.c (pass_sra): Note that this pass destroys
7883 PROP_tmt_usage, and add TODO_update_tmt_usage.
7884 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7885 * tree-flow.h (updating_used_alone): Prototype.
7886 (recalculate_used_alone): Ditto.
7887 * passes.c (execute_todo): Add code to set updating_used_alone,
7888 and call recalculate.
7889 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7890 for clobber if used alone, and add assert to verify used_alone
7893 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7895 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7896 for non tls symbols added.
7897 (legitimize_address): Do nothing for PLUS expressions if one of the
7898 addends is a tls symbol reference.
7900 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7904 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7906 * Makefile.in (BOOTSTRAPPING): New.
7907 (quickstrap): New definition if BOOTSTRAPPING=yes.
7909 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7910 * configure.ac: Substitute all_selected_languages with the languages
7911 that were configured. For all the other variables except
7912 lang_specs_files, include all the languages in the tree.
7913 * configure: Regenerate.
7915 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7916 if there is one. Run the commands to run fixincludes in the same
7919 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7920 * doc/install.texi: Document exact conventions for searching target tools.
7921 Document --with-build-time-tools. Document toplevel bootstrap. Document
7922 something more about building an Ada cross-compiler. Don't list GNU Make
7923 requirements which affect all platforms.
7925 2006-02-19 Roger Sayle <roger@eyesopen.com>
7928 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7929 only equivalent if the have both the same mode and precision.
7931 2006-02-20 Ben Elliston <bje@au.ibm.com>
7933 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7935 2006-02-19 Roger Sayle <roger@eyesopen.com>
7936 Steven Bosscher <stevenb.gcc@gmail.com>
7938 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7939 constant pool references to identify stack mode constants.
7940 * rtlanal.c (constant_pool_constant_p): New predicate to check
7941 whether operand is a floating point constant in the pool.
7942 * rtl.h (constant_pool_constant_p): Prototype here.
7943 * loop.c (scan_loop): Avoid hoisting constants from the constant
7944 pool on STACK_REGS targets.
7945 (load_mems): Likewise.
7946 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7947 loads into x87 registers expensive in terms of register pressure.
7949 2006-02-19 Roger Sayle <roger@eyesopen.com>
7951 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7952 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7954 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7956 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7957 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7959 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7961 * doc/invoke.texi: Document -fipa-pta.
7962 * common.opt: Add ipa-pta option.
7963 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7964 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7965 (do_ds_constraint): Ditto.
7966 (get_constraint_for): Only add to referenced_vars if
7967 referenced_vars exists.
7968 (insert_into_field_list): Rewrite to do this unsorted.
7969 (insert_into_field_list_sorted): Rename old insert_into_field_list
7971 (create_function_info_for): Use insert_into_field_list_sorted.
7972 (create_variable_info_for): Rewrite so it uses unsorted version,
7973 since the field list is sorted.
7974 (intra_create_variable_infos): Only add to referenced_vars if
7975 referenced_vars exists.
7976 (ipa_pta_execute): Init heapvars, and delete when done.
7977 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7979 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7981 * doc/install.texi: Add missing `@samp'.
7983 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7985 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7988 2006-02-18 Mark Wielaard <mark@klomp.org>
7990 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7991 who added new 4.1 features, bug fixes and integration support.
7993 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7996 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7999 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8001 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8002 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8003 (copy_insn_1): Likewise. Don't copy each field individually.
8005 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8007 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8008 * rtl.c (rtx_size): Rename variable to...
8009 (rtx_code_size): ...this.
8010 (rtx_size): New function.
8011 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8012 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8014 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8015 * rtl.h (rtx_code_size): New variable.
8016 (rtx_size): Change from a variable to a function.
8017 (RTX_SIZE): Rename to...
8018 (RTX_CODE_SIZE): ...this.
8021 PR tree-optimization/17106
8022 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8023 (Anchored Addresses): New section.
8024 * doc/invoke.texi (-fsection-anchors): Document.
8025 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8026 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8027 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8028 * hooks.c (hook_bool_mode_rtx_false): New function.
8029 * hooks.h (hook_bool_mode_rtx_false): Declare.
8030 * gengtype.c (create_optional_field): New function.
8031 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8032 SYMBOL_REF_IN_BLOCK_P is true.
8033 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8034 (min_anchor_offset, max_anchor_offset): Likewise.
8035 (use_anchors_for_symbol_p): New hook.
8036 * toplev.c (compile_file): Call output_object_blocks.
8037 (target_supports_section_anchors_p): New function.
8038 (process_options): Check that -fsection-anchors is only used on
8039 targets that support it and when -funit-at-a-time is in effect.
8040 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8041 if the decl doesn't have one.
8042 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8043 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8044 of force_const_mem through use_anchored_address.
8045 (expand_expr_constant): New function.
8046 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8047 calling expand_expr for INDIRECT_REF.
8048 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8049 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8050 * expr.h (use_anchored_address): Declare.
8051 * loop-unroll.c: Don't declare rtx vectors here.
8052 * explow.c: Include output.h.
8053 (validize_mem): Call use_anchored_address.
8054 (use_anchored_address): New function.
8055 * common.opt (-fsection-anchors): New switch.
8056 * varasm.c (object_block_htab, anchor_labelno): New variables.
8057 (hash_section, object_block_entry_eq, object_block_entry_hash)
8058 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8059 (use_blocks_for_decl_p, change_symbol_section): New functions.
8060 (get_variable_section): New function, split out from assemble_variable.
8061 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8062 use_blocks_for_decl_p say so. Use change_symbol_section if the
8063 symbol has already been created.
8064 (assemble_variable_contents): New function, split out from...
8065 (assemble_variable): ...here. Don't output any code for
8066 block symbols; just pass them to place_block_symbol.
8067 Use get_variable_section and assemble_variable_contents.
8068 (get_constant_alignment, get_constant_section, get_constant_size): New
8069 functions, split from output_constant_def_contents.
8070 (build_constant_desc): Create a block symbol if use_object_blocks_p
8071 says so. Or into SYMBOL_REF_FLAGS.
8072 (assemble_constant_contents): New function, split from...
8073 (output_constant_def_contents): ...here. Don't output any code
8074 for block symbols; just pass them to place_section_symbol.
8075 Use get_constant_section and get_constant_alignment.
8076 (force_const_mem): Create a block symbol if use_object_blocks_p and
8077 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8078 (output_constant_pool_1): Add an explicit alignment argument.
8079 Don't switch sections here.
8080 (output_constant_pool): Adjust call to output_constant_pool_1.
8081 Switch sections here instead. Don't output anything for block symbols;
8082 just pass them to place_block_symbol.
8083 (init_varasm_once): Initialize object_block_htab.
8084 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8085 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8086 (place_block_symbol, get_section_anchor, output_object_block)
8087 (output_object_block_htab, output_object_blocks): New functions.
8088 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8089 (TARGET_ASM_OUT): Include it.
8090 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8091 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8092 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8093 (TARGET_INITIALIZER): Include them.
8094 * rtl.c (rtl_check_failed_block_symbol): New function.
8095 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8096 (block_symbol, object_block): New structures.
8097 (rtx_def): Add a block_symbol field to the union.
8098 (BLOCK_SYMBOL_CHECK): New macro.
8099 (rtl_check_failed_block_symbol): Declare.
8100 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8101 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8102 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8103 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8104 * output.h (output_section_symbols): Declare.
8105 (object_block): Name structure.
8106 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8107 (default_use_anchors_for_symbol_p): Declare.
8108 * Makefile.in (RTL_BASE_H): Add vec.h.
8109 (explow.o): Depend on output.h.
8110 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8111 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8112 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8113 (rs6000_use_blocks_for_constant_p): New function.
8115 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8117 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8119 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8122 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8125 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8127 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8131 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8134 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8135 instead of DECL_REGISTER.
8137 2006-02-18 Olivier Hainque <hainque@adacore.com>
8140 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8142 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8145 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8146 * opth-gen.awk: Handle Var and InverseMask together.
8147 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8148 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8149 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8150 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8152 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8153 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8154 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8155 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8156 LINUX_DYNAMIC_LINKER): Define.
8157 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8158 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8160 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8161 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8162 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8163 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8164 (TARGET_C99_FUNCTIONS): Don't define.
8165 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8166 GLIBC_DYNAMIC_LINKER.
8167 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8168 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8169 GLIBC_DYNAMIC_LINKER64): Define.
8170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8171 LINUX_DYNAMIC_LINKER64.
8172 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8174 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8176 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8178 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8179 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8180 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8182 and LINUX_DYNAMIC_LINKER32.
8183 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8185 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8187 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8189 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8190 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8191 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8192 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8193 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8194 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8195 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8196 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8197 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8198 LINUX_DYNAMIC_LINKER): Define.
8199 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8200 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8201 GLIBC_DYNAMIC_LINKER64): Define.
8202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8203 LINUX_DYNAMIC_LINKER64.
8204 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8205 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8206 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8207 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8208 LINUX_DYNAMIC_LINKER): Define.
8209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8210 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8211 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8212 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8213 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8214 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8215 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8216 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8217 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8218 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8220 * doc/invoke.texi (-muclibc): Remove caveat about supported
8223 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8225 * doc/cpp.texi (__TIMESTAMP__): Document.
8227 2006-02-17 Roger Sayle <roger@eyesopen.com>
8230 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8231 C is one less than the width of X (and related transformations).
8232 * simplify-rtx.c (simplify_unary_operation_1): Transform
8233 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8234 depending on STORE_FLAG_VALUE, were C is one less then the
8237 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8239 Fix PR tree-optimization/26341
8240 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8241 about NAME_MEMORY_TAG's.
8243 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8246 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8247 with hardware float support, and software float support. Add fcpy
8248 alternative to hardware patterns. Add alternatives to copy between
8249 general and floating-point registers to the 32-bit pattern.
8250 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8251 secondary reload to load a QI or HI mode constant into a floating
8253 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8254 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8256 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8259 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8261 (load_macho_picbase_di): Likewise.
8263 2006-02-16 Jeff Law <law@redhat.com>
8265 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8266 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8267 (ssa_name_nonzero_p): Likewise.
8268 (get_value_range): Return NULL if VRP is not running.
8269 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8270 VRP routines do not discover a range.
8271 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8272 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8273 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8274 (tree_expr_nonnegative_p): Similarly.
8275 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8276 (restore_nonzero_vars_to_original_value): Remove.
8277 (unsafe_associative_fp_binop): Remove.
8278 (tree_ssa_dominator_optimize): Remove initialization and
8279 finalization of nonzero_vars and nonzero_vars_stack.
8280 (dom_opt_initialize_block): No longer push marker on
8282 (dom_opt_finalize_block): No longer call
8283 restore_nonzero_vars_to_original_value.
8284 (record_equivalences_from_phis): No longer look for
8285 nonzero PHI arguments.
8286 (cprop_into_successor_phis): No longer propagate nonzero
8287 property into PHI arguments. Lose unused argument. Caller
8289 (record_equivalences_from_stmt): No longer record nonzero
8290 values for SSA_NAMEs.
8291 (lookup_avail_expr): No longer use nonzero_vars.
8293 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8294 for sizetype when sizetype is unsigned.
8296 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8298 PR rtl-optimization/25603
8299 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8300 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8301 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8302 with new meaning of SETS.
8304 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8309 * config/linux.opt: New file.
8310 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8311 LINUX_DYNAMIC_LINKER): Define.
8312 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8313 * config.gcc (*-*-linux*): Define extra_options.
8314 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8315 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8316 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8317 GLIBC_DYNAMIC_LINKER.
8318 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8319 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8320 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8322 * doc/invoke.texi (GNU/Linux Options): New section.
8324 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8326 * config/sparc/sparc.md (setjmp): Rewrite.
8327 (setjmp_32): Delete.
8328 (setjmp_64): Likewise.
8330 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8332 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8335 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8337 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8340 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8342 PR rtl-optimization/26296
8343 * Makefile.in (loop-invariant.c): Add except.h dependency.
8344 * loop-invariant.c: Include except.h.
8345 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8347 2005-02-16 Paul Brook <paul@codesourcery.com>
8349 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8352 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8354 PR rtl-optimization/25636
8355 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8356 when deciding whether an insn is an initializing insn.
8358 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8360 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8361 (tree_code_size): Ditto.
8362 * tree.h (struct tree_memory_tag): Remove parent_var.
8363 (struct tree_struct_field_tag): New.
8366 (union tree_node): Add sft member.
8367 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8369 (create_sft): Add size and offset argument, set SFT_OFFSET and
8371 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8372 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8373 * tree-flow-inline.h (get_subvar_at): Update for
8374 SFT_OFFSET/SFT_SIZE.
8375 (var_can_have_subvars): Ditto.
8376 (overlap_subvar): Ditto.
8377 * print-tree.c (print_node): Print out interesting things for
8379 * tree-flow.h (struct subvar): Remove offset and size members.
8380 * tree-ssa-operands.c (get_expr_operands): Update for
8381 get_indirect_ref_operands changes.
8382 (get_indirect_ref_operands): Call add_virtual_operand instead of
8383 add_stmt_operand. Only recurse on base var if requested.
8384 (access_can_touch_variable): New function.
8385 (add_stmt_operand): Split virtual operand handling into ...
8386 (add_virtual_operand): Here. Add offset, size, and for_clobber
8387 arguments. Prune alias sets.
8388 (add_call_clobber_ops): Call add_virtual_operand.
8390 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8393 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8395 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8396 than TREE_CODE as index into omp_clause_num_ops array.
8398 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8400 PR rtl-optimization/26184
8401 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8403 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8404 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8405 must_precede, must_follow and tobe_scheduled.
8408 * opts.c (common_handle_option): Free new_option pointer.
8409 * df-core.c (df_analyze): Free postorder pointer.
8411 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8413 * Makefile.in: Fix the examples about the use of stamps
8415 2006-02-15 Michael Matz <matz@suse.de>
8419 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8420 influenced by maximum_field_alignment or DECL_PACKED.
8421 (update_alignment_for_field): Ditto.
8422 (place_field): Ditto.
8423 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8426 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8428 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8429 (debug_flow_info): Pass it.
8430 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8431 * bb-reorder.c (reorder_basic_blocks): Likewise.
8432 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8433 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8434 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8435 * gcse.c (gcse_main, bypass_jumps): Likewise.
8436 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8437 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8438 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8439 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8440 * rtl.h (dump_flow_info): Adjust prototype.
8441 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8442 * var-tracking.c (variable_tracking_main): Likewise.
8443 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8444 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8447 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8449 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8452 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8454 PR tree-optimization/26209
8455 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8456 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8458 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8460 2006-02-14 Roger Sayle <roger@eyesopen.com>
8463 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8464 (X,Y) and the corresponding symmetry related transformations.
8465 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8466 (X,Y) and its symmetry related transformations.
8468 2006-02-14 Roger Sayle <roger@eyesopen.com>
8470 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8473 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8475 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8477 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8480 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8481 support COMDAT group.
8482 * configure: Regenerate.
8484 2006-02-14 Roger Sayle <roger@eyesopen.com>
8489 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8491 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8493 Fix PR tree-optimization/26260
8495 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8497 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8498 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8499 * tree-ssa-structalias.c (create_variable_info_for): Use
8500 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8502 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8504 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8506 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8507 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8508 of the ending condition.
8509 * tree-ssa-loop-manip.c: Include params.h.
8510 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8511 tree_unroll_loop): New functions.
8512 * tree-pass.h (pass_loop_prefetch): Declare.
8513 * loop.c (rest_of_handle_loop_optimize): Test for
8514 -fprefetch-loop-arrays-rtl.
8515 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8516 * timevar.def (TV_TREE_PREFETCH): New timevar.
8517 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8518 pass_loop_prefetch): New.
8519 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8520 (cleanup_tree_cfg_loop): Call scev_reset.
8521 * common.opt (fprefetch-loop-arrays-rtl): Add.
8522 * tree-ssa-loop-prefetch.c: New file.
8523 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8524 (new_temp_expr_table): Initialize expr_vars.
8525 (free_temp_expr_table): Cleanup expr_vars.
8526 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8527 expressions from being merged into one.
8528 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8529 (struct tree_niter_desc): Add control, bound and cmp fields.
8530 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8532 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8533 (tree-cfgcleanup.o): Add SCEV_H dependency.
8534 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8535 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8537 2006-02-14 Richard Guenther <rguenther@suse.de>
8539 PR tree-optimization/26258
8540 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8541 in PHI argument processing.
8543 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8545 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8546 new expression in the requested machine mode.
8548 2006-02-13 Roger Sayle <roger@eyesopen.com>
8550 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8551 directly, instead let do_compare_rtx_and_jump handle this for us.
8552 * expr.c (expand_expr_real_1): Likewise.
8553 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8554 before do_jump_by_parts_greater.
8555 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8556 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8558 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8560 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8562 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8564 PR rtl-optimization/26235
8565 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8566 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8569 2006-02-13 Jeff Law <law@redhat.com>
8571 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8574 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8577 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8578 twice if decl is a builtin. When trying again, call get_callee_fndecl
8579 first to verify it is still a builtin.
8581 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8583 * dwarf2out.c (base_type_die): Don't add AT_name here.
8584 (subrange_type_die): Don't add AT_name here.
8585 (modified_type_die): Rearrange code flow. Do add AT_name here.
8587 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8589 PR rtl-optimization/26247
8590 PR rtl-optimization/26248
8591 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8593 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8595 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8596 * config/fixtfdi.c: Likewise.
8597 * config/fixunstfdi.c: Likewise.
8598 * config/floatditf.c: Likewise.
8600 2006-02-13 Roger Sayle <roger@eyesopen.com>
8603 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8604 into (X,C2) if C1 is a subset of the bits of C2. Transform
8605 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8607 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8609 2006-02-13 Josh Conner <jconner@apple.com>
8612 * varasm.c (function_section): Check for section name before
8613 calling select_section on targets that define
8614 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8615 unlikely_text_section instead of hot_function_section if
8616 first_function_block_is_cold.
8618 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8621 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8623 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8625 PR rtl-optimization/26222
8626 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8627 after tree->rtl expansion.
8628 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8629 before passing it to emit_move_insn.
8631 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8633 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8635 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8636 Clarify documentation.
8637 * c-common.h (warn_write_strings): Remove.
8638 * c-common.c (warn_write_strings): Likewise.
8639 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8642 2006-02-12 Roger Sayle <roger@eyesopen.com>
8645 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8646 (do_jump_parts_zero_rtx): New function renamed from
8647 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8648 (do_jump_parts_equality_rtx): New function split out from
8649 do_jump_parts_equality. Old implementation renamed as above.
8650 Call do_jump_parts_zero_rtx if either operand is zero.
8651 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8652 do all of the heavy lifting.
8653 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8654 calling either do_jump_by_parts_greater_rtx or
8655 do_jump_by_parts_equality_rtx.
8656 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8657 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8658 moved to do_compare_rtx_and_jump, call it directly.
8659 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8660 mode argument. Call do_compare_rtx_and_jump.
8661 (emit_case_nodes): Update calls to do_jump_if_equal.
8663 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8665 PR rtl-optimization/26225
8666 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8668 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8670 PR rtl-optimization/26232
8671 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8673 2006-02-11 Jason Merrill <jason@redhat.com>
8676 * tree-inline.c (declare_return_variable): Just don't use the
8677 modify target if it's a gimple complex reg and the return slot
8680 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8682 * doc/contrib.texi: Update my entry.
8684 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8686 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8688 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8690 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8693 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8695 * doc/invoke.texi (-floop-optimize2): Removed.
8696 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8697 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8698 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8699 * common.opt (floop-optimize2): Removed.
8700 (fmove-loop-invariants): Enabled by default.
8702 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8704 * tree-if-conv.c (combine_blocks): Free the result of
8705 get_loop_exit_edges.
8707 2006-02-10 Jeff Law <law@redhat.com>
8709 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8711 PR tree-optimization/26213
8712 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8713 loop trying to follow SSA_NAME_VALUE chains.
8715 2006-02-10 Richard Guenther <rguenther@suse.de>
8717 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8718 deal with structures that end in implicitly variable sized arrays.
8720 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8722 PR rtl-optimization/24762
8723 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8726 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8728 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8729 (struct ivopts_data): Add regs_used field.
8730 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8731 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8732 instead of loop_data->regs_used;
8733 (free_loop_data): Do not free aux fields for loops.
8734 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8735 and tree_ssa_iv_optimize_finalize.
8737 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8739 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8741 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8744 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8745 computing the effective result type.
8747 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8750 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8751 (tree_overlaps_hard_reg_set): Declare.
8752 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8753 type and signature to match function type expected by walk_tree.
8754 (tree_overlaps_hard_reg_set): New function.
8755 (decl_conflicts_with_clobbers_p): Rename to:
8756 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8757 Use tree_overlaps_hard_reg_set. Changed caller.
8758 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8759 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8760 * cris.c (cris_md_asm_clobbers): Likewise.
8762 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8764 * reload1.c (emit_input_reload_insns): Delete code that tries to
8765 inherit using find_equiv_reg.
8767 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8769 * c-common.h (flag_const_strings): Don't declare.
8770 * c-common.c (flag_const_strings): Remove.
8771 * c.opt (fconst_strings): Remove.
8772 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8773 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8774 (c_common_init_options): Don't set flag_const_strings.
8775 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8777 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8779 * arm.md (tlobits_cbranch): New pattern.
8780 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8781 testing a single bit.
8783 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8786 * tree-ssa-pre.c (create_component_ref_by_pieces):
8787 Handle RETURN_DECL like VAR_DECL.
8789 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8792 * fold-const.c (fold_indirect_ref_1): Fold
8793 "*(foo *)&complexfoo" to "__real__ complexfoo"
8794 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8796 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8798 * tree-flow-inline.h (var_can_have_subvars):
8799 Volatile variables should not have subvariables.
8801 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8804 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8805 multiplying unsigned values.
8808 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8810 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8812 2006-02-08 Jason Merrill <jason@redhat.com>
8815 * tree.def: Elaborate on difference from MODIFY_EXPR.
8816 * doc/c-tree.texi (INIT_EXPR): Likewise.
8817 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8818 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8819 (gimplify_target_expr): Likewise.
8820 (gimplify_cond_expr): Remove target handling.
8821 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8822 (gimplify_expr): Clobber it here.
8823 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8824 Do return slot optimization if we have an INIT_EXPR.
8827 * tree-inline.c (declare_return_variable): Also clear
8828 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8831 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8834 * gimplify.c (gimplify_one_sizepos): Fix typo.
8836 2006-02-08 Jeff Law <law@redhat.com>
8838 PR tree-optimization/21417
8839 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8840 across a backedge if the control statement at the end of the
8841 block is data dependent on other statements in the same block.
8842 (record_temporary_equivalences_from_stmts): Remove over-conservative
8843 test for threading across backedges.
8845 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8846 control statement, handle all three special cases in the same
8847 manner as they all have the same desired solution. No longer
8848 special case edge flag updating when the post dominator is
8851 2006-02-08 Roger Sayle <roger@eyesopen.com>
8853 * tree.def (CHAR_TYPE): Remove.
8854 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8855 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8856 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8857 (gen_string_type_die): Delete unreachable function.
8859 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8860 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8861 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8862 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8863 * builtins.c (type_to_class): Likewise.
8864 * fold-const.c (fold_convert, build_range_check,
8865 merge_ranges): Likewise.
8866 * expr.c (count_type_elements): Likewise.
8867 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8868 * stor-layout.c (layout_type): Likewise.
8869 * ipa-type-escape.c (type_to_consider): Likewise.
8870 * gimplify.c (omp_firstprivatize_type_sizes,
8871 gimplify_type_sizes): Likewise.
8872 * explow.c (promote_mode): Likewise.
8873 * tree-sra.c (is_sra_scalar_type): Likewise.
8874 * varasm.c (output_constant): Likewise.
8875 * tree-inline.c (remap_type_1): Likewise.
8876 * convert.c (convert_to_pointer, convert_to_real,
8877 convert_to_integer, convert_to_complex): Likewise.
8879 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8881 * df-scan.c (df_def_record_1): A set destination may
8882 be a parallel regardless of mode.
8884 2006-02-08 Roger Sayle <roger@eyesopen.com>
8887 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8888 * config/mips/_tilib.c: Remove.
8889 * config/fixtfdi.c: New libgcc source file.
8890 * config/fixunstfdi.c: New source file.
8891 * config/floatditf.c: New source file.
8892 * config/floatunditf.c: New souce file.
8893 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8894 files above instead of config/mips/_tilib.c.
8895 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8897 2006-02-08 Jeff Law <law@redhat.com>
8899 PR tree-optimization/26169
8900 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8903 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8905 * df.h (DF_REG_SIZE): Return the length of the initialized
8908 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8910 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8911 __muldf3): Return a correctly signed zero.
8913 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8915 * passes.c (register_one_dump_file): Accept the current properties
8916 instead of pass number. Adjust call to dump_register. Remove
8918 (register_dump_files): Now a wrapper around...
8919 (register_dump_files_1): ... this one. Do not modify the pass
8921 (next_pass_1): Cosmetic fix.
8922 (execute_todo): Keep second parameter only. Use curr_properties
8923 instead of fetching it from the pass structure. Check and set
8925 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8926 instead of fetching it from the pass structure. Fix calls to
8927 execute_todo. Update curr_properties and initialize .vcg RTL dump
8928 after running the pass. Reset last_verified.
8929 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8931 (FIRST_AUTO_NUMBERED_DUMP): New.
8932 (dump_register): Remove "num" parameter, assign it within the
8934 (get_dump_file_name): Modify template for dumps.
8935 * tree-dump.h (dump_register): Adjust prototype.
8936 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8937 (PROP_trees): Add PROP_gimple_lomp.
8938 (TODO_set_props): New.
8939 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8940 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8941 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8943 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8945 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8946 (sparc64-*-linux*): Likewise.
8947 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8948 * config/sparc/t-linux: New file.
8949 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8950 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8951 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8952 -m32 -mlong-double-128.
8954 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8955 * config/alpha/t-linux: New file.
8956 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8958 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8959 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8960 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8961 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8962 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8963 (CPP_ARCH32_SPEC): Remove.
8965 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8967 PR tree-optimization/26145
8968 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8971 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8974 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8975 >= 240000 when generating code for SOM runtime.
8976 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8977 to $$dyncall when generating code for SOM runtime..
8979 2006-02-07 Dirk Mueller <dmueller@suse.com>
8982 * doc/invoke.texi (-Wsequence-point): Update documentation
8983 that -Wsequence-point is implemented for C++ as well.
8985 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8987 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8988 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8989 (LIB_SPEC): Likewise.
8990 * doc/invoke.texi (SPARC options): Document -pthread.
8992 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8994 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8997 2006-02-07 Roger Sayle <roger@eyesopen.com>
8999 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9000 Correct comment describing BOOLEAN_TYPE.
9002 2006-02-07 Dirk Mueller <dmueller@suse.com>
9004 * c.opt: C++ frontend supports -Wdiv-by-zero.
9005 * c-opts.c (c_common_handle_option): Remove dead case.
9007 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9009 * configure.ac (TLS assembler check): Do not enable TLS by
9010 default on SPARC/Solaris before version 10.
9011 * configure: Regenerate.
9013 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9015 * doc/invoke.texi (xl-compat): Document conversion and support
9018 2006-02-07 Jeff Law <law@redhat.com>
9020 * tree-vrp.c (find_conditional_asserts): Update comments.
9021 (simplify_stmt_for_jump_threading): New.
9022 (identify_jump_threads, finalize_jump_threads): New.
9023 (vrp_finalize): Call identify_jump_threads.
9024 (execute_vrp): Call finalize_jump_threads.
9025 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9026 (vrp_element, vrp_data, vrp_element_p): Remove.
9027 (vrp_hash_elt, vrp_variables_stack): Remove.
9028 (vrp_hash, vrp_eq, record_range): Remove.
9029 (simplify_cond_and_lookup_avail_expr): Remove.
9030 (extract_range_from_cond): Remove.
9031 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9032 (simplify_stmt_for_jump_threading): New.
9033 (dom_thread_across_edge): New wrapper.
9034 (tree_ssa_dominator_optimize): No longer initialize or
9035 finalize any of the VRP datastructures. Remove iteration
9036 step and simplify as a result of removal of iteration step.
9037 (pass_dominator): Perform a cfg cleanup after DOM.
9038 (dom_opt_finalize_block): Use the new common routines
9039 for threading jumps. Simplify stack management slightly.
9040 No longer need to unwind VRP state.
9041 (record_equivalences_from_incoming_edge): No longer record
9043 (eliminate_redundant_computations): No longer call
9044 simplify_cond_and_lookup_avail_expr.
9045 * tree-flow.h (potentially_threadable_block): Prototype.
9046 (thread_across_edge): Likewise.
9047 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9048 (tree-ssa-threadedge.o): Add dependencies.
9049 * tree-ssa-threadedge.c: New file.
9050 * passes.c (init_optimization_passes): Merge PHIs before
9051 calling VRP. Run VRP again late in the SSA optimization pipeline.
9053 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9055 * df-core.c (df_set_blocks): Do not dereference function pointers.
9056 (df_finish1): Likewise.
9057 (df_hybrid_search_forward): Likewise.
9058 (df_hybrid_search_backward): Likewise.
9059 (df_iterative_dataflow): Likewise.
9060 (df_analyze_problem): Likewise.
9061 (df_compact_blocks): Likewise.
9062 (df_dump): Likewise.
9063 * df-scan.c (df_rescan_blocks): Likewise.
9064 (df_record_entry_block_defs): Likewise.
9066 * genconditions.c (write_conditions): Guard the definition of
9067 'insn_conditions' with the check on GCC version.
9068 (write_writer): Guard the traversal 'insn_conditions' with
9069 the check on GCC version.
9071 2006-02-07 Richard Guenther <rguenther@suse.de>
9075 2006-01-30 Richard Guenther <rguenther@suse.de>
9077 * gimplify.c (gimplify_target_expr): Handle easy cases
9078 without creating a temporary.
9080 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9082 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9083 use of float in probability computations. Use edge probabilities
9084 in place of statically computed probabilities.
9085 (min_spec_prob): New static variable.
9086 (schedule_insns): Initialize it.
9087 (GET_SRC_PROB): Removed.
9088 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9090 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9093 * config/ia64/unwind-ia64.c: Revert last change.
9094 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9095 (INCOMING_FRAME_SP_OFFSET): Define.
9097 2006-02-06 Roger Sayle <roger@eyesopen.com>
9099 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9101 2006-02-07 Ben Elliston <bje@au.ibm.com>
9103 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9104 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9105 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9106 (ix86_return_in_memory): Handle TDmode.
9107 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9108 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9110 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9112 * reorg.c (dbr_schedule): Use dump_file instead of file.
9114 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9117 * config/ia64/predicates.md (extr_len_operand): New predicate.
9118 * config/ia64/ia64.md (extv): Tighten constraints.
9120 (*tbit_and_2): Ditto.
9121 (*tbit_and_3): Ditto.
9122 (*tbit_or_2): Ditto.
9123 (*tbit_or_3): Ditto.
9127 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9130 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9132 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9134 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9135 loop_optimizer_init and loop_optimizer_finalize
9136 * tree-ssa-sink.c (execute_sink_code): Ditto.
9137 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9138 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9139 tree_ssa_loop_done): Ditto.
9140 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9141 * sched-ebb.c: Include output.h.
9142 (schedule_ebbs): Do not use dump argument.
9143 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9144 * loop.c (loop_dump_stream): Removed.
9145 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9147 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9148 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9149 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9150 loop_iterations, strength_reduce, record_biv, record_giv,
9151 final_giv_value, check_final_value, check_ext_dependent_givs,
9152 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9153 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9154 dump_file instead of loop_dump_stream.
9155 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9157 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9159 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9160 * haifa-sched.c: Include output.h
9161 (schedule_insns, sched_init): Do not use dump argument.
9162 * mode-switching.c (optimize_mode_switching): Ditto.
9163 * modulo-sched.c (stats_file): Removed.
9164 (print_node_sched_params): Do not call argument dump_file.
9165 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9166 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9168 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9170 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9171 rtl_loop_init, rtl_loop_done): Ditto.
9172 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9173 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9175 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9176 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9177 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9178 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9179 * emit-rtl.c (renumber_insns): Ditto.
9180 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9181 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9182 * regclass.c (regclass): Ditto.
9183 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9184 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9185 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9186 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9188 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9189 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9191 * gcse.c (gcse_file, debug_stderr): Removed.
9192 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9193 rest_of_handle_gcse): Do not use dump argument.
9194 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9195 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9196 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9197 compute_code_hoist_vbeinout, compute_code_hoist_data,
9198 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9199 compute_store_table, build_store_vectors, insert_insn_start_bb,
9200 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9201 store_motion): Use dump_file instead of gcse_file.
9202 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9203 * profile.c (profile_dump_file): Removed.
9204 (branch_prob): Use dump_file instead of profile_dump_file.
9205 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9207 * tree-ssa-copy.c (dump_copy_of): Ditto.
9208 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9209 dump file to life_analysis.
9210 * bt-load.c (branch_target_load_optimize): Ditto.
9211 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9213 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9214 regclass, dbr_schedule): Declaration changed.
9215 * sched-int.h (sched_init): Declaration changed.
9216 * tree-profile.c (tree_profile_dump_file): Removed.
9217 (tree_profile_hooks): Removed profile_dump_file hook.
9218 * rtl-profile (rtl_profile_dump_file): Removed.
9219 (rtl_profile_hooks): emoved profile_dump_file hook.
9220 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9222 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9223 * tree-cfg.c (build_tree_cfg): Ditto.
9224 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9225 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9226 Declaration changed.
9227 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9228 life_analysis and schedule_insns.
9229 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9231 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9233 * config/mips/mips.c (mips_reorg): Ditto.
9234 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9237 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9239 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9240 (s390_mangle_fundamental_type): New.
9241 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9244 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9245 (alpha_mangle_fundamental_type): New.
9246 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9249 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9251 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9253 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9254 (sparc_mangle_fundamental_type): New.
9256 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9258 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9259 (s390x-*-linux*): Likewise.
9260 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9261 * config/s390/t-linux: New file.
9263 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9265 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9266 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9268 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9270 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9271 (ANTIC_SAFE_LOADS): New macro.
9272 (find_or_generate_expression): Add prototype.
9273 (set_contains_value): Allow null set for sake of not always having
9274 to allocate ANTIC_SAFE_LOADS.
9275 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9276 Allow COMPONENT_REF too.
9277 (valid_in_set): Allow COMPONENT_REF.
9278 Check ANTIC_SAFE_LOADS too.
9279 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9280 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9282 (can_PRE_operation): Add COMPONENT_REF.
9283 (create_component_ref_by_pieces): New function.
9284 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9285 (insert_aux): Move AGGREGATE_TYPE_P check here.
9286 (compute_avail): Set bb local stmt uids.
9287 (pass_pre): Use TODO_update_ssa_only_virtuals.
9289 2006-02-06 Ben Elliston <bje@au.ibm.com>
9291 * configure.ac: Unconditionally disable decimal float by default.
9292 * configure: Regenerate.
9294 2006-02-06 Ben Elliston <bje@au.ibm.com>
9296 * read-rtl.c (read_name): Terminate reading on EOF.
9298 2006-02-06 Ben Elliston <bje@au.ibm.com>
9300 * dfp.c (decimal_real_arithmetic): Change second argument type
9301 from int to enum tree_code. Do not always return true, but now
9302 return result of any call to decimal_do helper functions.
9303 * dfp.h (decimal_real_arithmetic): Update prototype.
9305 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9307 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9309 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9312 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9315 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9317 * tree-vrp.c (cfg_loops): Removed.
9318 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9319 Use current_loops instead of cfg_loops. Pass flags to
9320 loop_optimizer_init.
9321 * cfgloopmanip.c (fix_loop_structure): Update only available
9323 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9324 loop_optimizer_init.
9325 * modulo-sched.c (build_loops_structure): Removed.
9326 (sms_schedule): Use loop_optimizer_init.
9327 * loop-init.c (loop_optimizer_init): Use flags to determine
9328 which properties of loops to prepare.
9329 (rtl_loop_init): Pass flags to loop_optimizer_init.
9330 * tree-ssa-sink.c (execute_sink_code): Ditto.
9331 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9332 * tree-ssa-pre.c (init_pre): Ditto.
9333 * cfgloop.h (LOOPS_NORMAL): New.
9334 (loop_optimizer_init): Declaration changed.
9336 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9338 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9339 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9341 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9343 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9345 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9346 * pa/t-pa64: Delete quadlib.c rule.
9347 * pa/x-ada: Revert last change.
9348 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9350 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9352 PR rtl-optimization/26087
9353 * rtlanal.c (canonicalize_condition): Do not cross basic block
9356 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9359 * config/ia64/ia64.c: Include debug.h.
9360 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9361 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9362 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9363 (process_epilogue, process_set, process_for_unwind_directive):
9364 Output unwind info only if requested. Add CFA info if requested.
9365 Add new arguments as needed. Adjust callers.
9366 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9368 (DWARF2_FRAME_INFO): Define to zero.
9369 * config/ia64/unwind-ia64.c: Remove code that compensated for
9370 the CFA offset error fixed above.
9371 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9372 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9373 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9374 -funwind-tables and -fexceptions to enable frame info.
9375 (dwarf2out_frame_init): Define initial CFA even if
9376 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9377 DWARF2_UNWIND_INFO is nonzero, not just defined.
9378 (dwarf2out_frame_finish): Output non-EH call frame info only
9379 if DWARF2_FRAME_INFO is nonzero.
9380 (convert_cfa_to_loc_list,
9381 compute_frame_pointer_to_cfa_displacement): Define even if
9382 unwind info is not supported.
9383 (gen_subprogram_die): Use the above unconditionally. Remove
9384 legacy alternate code.
9385 * toplev.c (compile_file): Compile in call to
9386 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9387 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9389 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9390 Jakub Jelinek <jakub@redhat.com>
9392 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9393 IBM extended float format long double as "g" on powerpc*-linux.
9395 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9398 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9399 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9401 2006-02-03 Jason Merrill <jason@redhat.com>
9404 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9407 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9408 on the return slot if it's an NRV.
9410 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9412 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9413 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9414 rewrite_use): Do not handle USE_OUTER.
9415 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9416 add_iv_outer_candidates, may_replace_final_value,
9417 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9418 (find_interesting_uses_op): Functionality of
9419 find_interesting_uses_outer_or_nonlin moved here.
9420 (find_interesting_uses_outside): Use find_interesting_uses_op.
9422 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9425 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9427 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9428 Ulrich Weigand <uweigand@de.ibm.com>
9431 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9432 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9433 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9434 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9436 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9437 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9438 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9439 Define secondary reloads for TFmode moves.
9440 (constant_modes): Add TFmode.
9441 (NR_C_MODES): Set to 8.
9442 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9444 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9445 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9446 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9447 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9448 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9449 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9450 (FPR mode macro): Add TFmode.
9451 (DSF mode macro): New.
9452 (<de>, <dee> mode attributes): Removed.
9453 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9454 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9455 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9456 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9457 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9458 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9459 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9460 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9461 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9462 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9463 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9464 "*negabs<mode>2", "sqrt<mode>2"):
9465 Changed <de> to <xde>. R constraint replaced by <Rf>.
9466 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9468 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9469 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9470 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9472 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9473 "extenddftf2", "extendsftf2"): New expanders.
9474 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9475 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9476 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9477 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9479 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9480 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9481 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9482 __floatditf): Add a GCC_4.1.0 symbol version tag.
9483 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9486 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9489 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9490 Use targetm.binds_local_p instead of TREE_PUBLIC.
9492 2006-02-02 Roger Sayle <roger@eyesopen.com>
9494 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9495 on INTEGER_TYPEs to indicate that it denotes a character type.
9496 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9497 signed_char_type_node, unsigned_char_type_node and char_type_node.
9498 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9499 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9500 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9502 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9503 Daniel Berlin <dberlin@dberlin.org>
9505 * tree-tailcall.c (arg_needs_copy_p): New function.
9506 (eliminate_tail_call): Use arg_needs_copy_p.
9507 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9508 (add_virtual_phis): New function.
9510 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9512 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9513 #ignore instead of #scratch for %g7 .register directive.
9515 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9517 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9520 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9522 * flow.c (calculate_global_regs_live): Assert that there aren't any
9525 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9527 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9529 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9530 bsi_after_labels iterator.
9531 * tree-if-conv.c (find_phi_replacement_condition,
9532 replace_phi_with_cond_modify_expr): Likewise.
9533 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9534 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9536 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9538 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9540 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9543 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9544 array after growing it.
9546 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9549 * fold-const.c (fold_checksum_tree): Change type of buf.
9551 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9553 * reload.c (push_secondary_reload): Initialize t_icode.
9555 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9557 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9558 -msoft-float -mlong-double-128 only issue a warning, but don't
9559 swich to DFmode long double.
9561 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9563 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9564 has a constant equivalent, iterate over equivalents for arg0,
9565 calling simplify_relational_operation and if there's a result
9566 cheaper than X, apply fold_rtx and return the result.
9568 2006-02-01 Jan Hubicka <jh@suse.cz>
9570 * opts.c (no_unit_at_a_time_default): New global variable.
9571 (decode_options): Use it.
9572 * opts.h (no_unit_at_a_time_default): Declare.
9574 2006-02-01 Paul Brook <paul@codesourcery.com>
9576 * function.c (assign_parm_setup_reg): Use function argument promotion
9578 * expr.c (expand_expr_real_1): Use function argument promotion rules
9581 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9583 * gcc.c (process_command): Change j to 'unsigned int'.
9585 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9588 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9589 Use the corrected index for the character
9590 out of the string constant.
9592 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9594 * mode-switching.c (optimize_mode_switching): Fix size
9595 allocated for bb_info[n_entities].
9597 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9599 * gcc.c (main): Correct type that is allocated for
9600 explicit_link_files.
9602 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9604 * config/s390/s390.c (init_alignment_context): Set
9605 ALIAS_SET_MEMORY_BARRIER on the MEM.
9606 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9608 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9611 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9613 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9616 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9618 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9619 * regrename.c: Ditto.
9620 * tree-ssa-loop-im.c: Ditto.
9621 * tree-dump.c: Ditto.
9622 * tree-complex.c: Ditto.
9623 * genrecog.c: Ditto.
9624 * tree-ssa-threadupdate.c: Ditto.
9626 * java/class.c: Ditto.
9627 * java/jcf-parse.c: Ditto.
9628 * java/resource.c: Ditto.
9629 * java/except.c: Ditto.
9630 * java/jvspec.c: Ditto.
9631 * java/jcf-write.c: Ditto.
9632 * java/jcf-path.c: Ditto.
9633 * java/gjavah.c: Ditto.
9634 * java/zextract.c: Ditto.
9635 * java/jcf-io.c: Ditto.
9636 * java/jcf.h: Ditto.
9637 * java/buffer.c: Ditto.
9638 * java/lang.c: Ditto.
9639 * java/parse-scan.y: Ditto.
9640 * java/lex.c: Ditto.
9641 * java/lex.h: Ditto.
9642 * cfgloopmanip.c: Ditto.
9643 * postreload-gcse.c: Ditto.
9644 * tree-ssa-loop-manip.c: Ditto.
9645 * postreload.c: Ditto.
9646 * tree-ssa-loop-ch.c: Ditto.
9650 * diagnostic.c: Ditto.
9652 * genoutput.c: Ditto.
9654 * cfghooks.c: Ditto.
9655 * cfgloopanal.c: Ditto.
9656 * objc/objc-act.c: Ditto.
9658 * genextract.c: Ditto.
9659 * genautomata.c: Ditto.
9660 * pretty-print.c: Ditto.
9662 * cgraphunit.c: Ditto.
9665 * haifa-sched.c: Ditto.
9666 * dominance.c: Ditto.
9668 * tree-ssa-loop-ivopts.c: Ditto.
9670 * mode-switching.c: Ditto.
9671 * modulo-sched.c: Ditto.
9673 * ipa-pure-const.c: Ditto.
9675 * fix-header.c: Ditto.
9677 * tree-stdarg.c: Ditto.
9678 * ipa-utils.c: Ditto.
9679 * loop-init.c: Ditto.
9680 * ipa-inline.c: Ditto.
9683 * alloc-pool.c: Ditto.
9684 * dwarf2out.c: Ditto.
9686 * genattrtab.c: Ditto.
9687 * tree-ssa-loop-ivcanon.c: Ditto.
9691 * fortran/gfortranspec.c: Ditto.
9693 * local-alloc.c: Ditto.
9694 * langhooks.c: Ditto.
9695 * function.c: Ditto.
9696 * tree-vectorizer.c: Ditto.
9698 * ipa-type-escape.c: Ditto.
9700 * tree-if-conv.c: Ditto.
9703 * tree-data-ref.c: Ditto.
9704 * loop-unroll.c: Ditto.
9705 * treelang/treetree.c: Ditto.
9708 * ggc-common.c: Ditto.
9710 * coverage.c: Ditto.
9712 * tree-cfgcleanup.c: Ditto.
9713 * tree-ssa-pre.c: Ditto.
9714 * cfgcleanup.c: Ditto.
9715 * loop-invariant.c: Ditto.
9717 * ipa-prop.c: Ditto.
9718 * print-tree.c: Ditto.
9719 * conflict.c: Ditto.
9720 * ggc-page.c: Ditto.
9721 * sched-deps.c: Ditto.
9722 * regclass.c: Ditto.
9723 * tree-object-size.c: Ditto.
9725 * bb-reorder.c: Ditto.
9726 * resource.c: Ditto.
9727 * var-tracking.c: Ditto.
9729 * df-problems.c: Ditto.
9730 * reg-stack.c: Ditto.
9733 * sched-rgn.c: Ditto.
9734 * tree-ssa-structalias.c: Ditto.
9735 * tree-ssa-reassoc.c: Ditto.
9736 * config/darwin-c.c: Ditto.
9737 * config/darwin.c: Ditto.
9738 * config/arm/arm.c: Ditto.
9740 * collect2.c: Ditto.
9743 2006-01-31 Nicolas Pitre <nico@cam.org>
9745 * arm.md (smaxsi3): Make aware of smax_m1.
9748 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9750 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9752 2006-01-31 Richard Guenther <rguenther@suse.de>
9754 * doc/invoke.texi (-msselibm): Document.
9755 * target.h (expand_library_builtin): New target hook.
9756 * builtins.c (expand_builtin): Use expand_library_builtin.
9757 (default_expand_library_builtin): New function.
9758 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9759 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9760 (link_gcc_math_spec): Declare.
9761 (static_specs): Add link_gcc_math_spec.
9762 * expr.h (default_expand_library_builtin): Declare.
9763 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9764 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9765 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9766 * config/i386/i386.opt (msselibm): New target option.
9767 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9768 (ix86_init_sse_abi_builtins): New function.
9769 (ix86_expand_library_builtin): Likewise.
9770 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9771 (override_options): Handle error conditions wrt -msselibm.
9772 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9773 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9774 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9777 2006-01-31 Richard Guenther <rguenther@suse.de>
9778 Paolo Bonzini <bonzini@gnu.org>
9780 * doc/install.texi (--disable-libgcc-math): Document.
9782 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9784 * expr.h (expand_normal): new inline function.
9785 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9787 * dwarf2out.c: use it.
9792 * config/sparc/sparc.c: use it.
9793 * config/i386/i386.c: use it.
9794 * config/rs6000/rs6000.c: use it.
9795 * config/arm/arm.c: use it.
9796 * config/mips/mips.c: use it.
9797 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9799 2006-01-30 Roger Sayle <roger@eyesopen.com>
9801 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9802 argv to the appropriate type.
9804 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9806 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9809 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9812 * config/s390/s390.c (struct machine_function): New flag
9813 decomposed_literal_pool_addresses_ok_p.
9814 (s390_reorg): Set it before final stage of literal pool transforms.
9815 (s390_decompose_address): Only accept displacements of the form
9816 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9818 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9820 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9821 the comparison routine return.
9823 2006-01-30 Michael Matz <matz@suse.de>
9825 * global.c (find_reg): Only evict for global regs.
9826 Take n_refs into account and dump more info.
9828 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9831 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9832 (pragma_trap, pragma_nosave_low_regs): Likewise.
9833 (current_function_anonymous_args): Likewise.
9834 (sh_deferred_function_attributes): New variable.
9835 (sh_deferred_function_attributes_tail): Likewise.
9836 (print_operand): For '@', look up trap_exit attribute.
9837 (calc_live_regs): Look up trapa_handler attribute. For trapa
9838 handlers, save/restore fpscr, but don't do any other
9839 interrupt-specific saves.
9840 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9841 Fix check for partially saved registers to check for SHmedia.
9842 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9843 (sh_output_function_epilogue): Don't clear any of the removed
9845 (sh_insert_attributes): Don't check pragma_interrupt.
9846 Insert deferred attributes. Check that interrupt attribute is
9847 present for other attributes that require its presence.
9848 (sh_attribute_table): Add new attributes trapa_handler and
9850 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9851 Don't check for pragma_interrupt. Don't store argument.
9852 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9853 (sh_deferred_function_attributes): Declare.
9854 (sh_deferred_function_attributes_tail): Likewise.
9855 * sh.md (sp_switch_1): Add operand. Change generator caller.
9856 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9857 (*return_i): Don't use when trap_exit attribute is in effect.
9858 (*return_trapa): New insn pattern.
9860 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9861 setting c_target_objs and cxx_target_objs.
9862 * t-sh: Add rule for sh-c.o.
9864 2006-01-30 Richard Guenther <rguenther@suse.de>
9867 * gimplify.c (gimplify_target_expr): Handle easy cases
9868 without creating a temporary.
9870 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9872 * vec.h (safe_grow): Remove duplicated line.
9874 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9877 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9878 (expand_omp): ... here.
9879 (expand_omp_parallel): Only remove barriers for combined
9880 parallel+workshare constructs.
9882 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9886 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9887 * tree.c (build_qualified_type): Chain the new type to the original
9888 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9889 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9890 (build_pointer_type_for_mode): Only return unqualified types.
9891 (build_reference_type_for_mode): Likewise.
9893 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9895 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9896 * Makefile.in (CXX_COMPAT_WARN): Define.
9897 * configure: Regenerate.
9899 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9902 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9905 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9907 * toplev.c: Fix thinko.
9909 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9910 Marcin Dalecki <martin@dalecki.de>
9912 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9913 (push_srcloc): Use XNEW.
9914 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9916 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9918 * df-core.c (df_set_blocks): Deleted all variable.
9920 2006-01-28 Ian Lance Taylor <ian@airs.com>
9922 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9923 cgraph_output_pending_asms.
9925 2006-01-28 Zack Weinberg <zackw@panix.com>
9927 * c.opt: Add -W(no-)overlength-strings.
9928 * doc/invoke.texi: Document it.
9929 * c-opts.c (c_common_handle_option): -pedantic implies
9930 -Woverlength-strings, if not explicitly disabled already.
9931 (c_common_post_options): -Woverlength-strings defaults to off, and
9932 is always off for C++.
9933 * c-common.c (fix_string_type): Issue warning about strings longer
9934 than is portable only if warn_overlength_strings. Rearrange code
9935 a little for clarity.
9936 * configure.in: Check for -Wno-overlength-strings as well before
9937 enabling -pedantic in stage 1.
9938 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9939 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9941 * genconditions.c (write_header, write_one_condition)
9942 (write_conditions, write_writer): Consolidate very long strings
9943 that were broken up to fit in C89 portable limit. Don't use
9944 printf when fputs will do.
9946 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9948 * combine.c (simplify_comparison <AND>): Check
9949 TRULY_NOOP_TRUNCATION before start using a subreg.
9951 * config/mips/mips.md (*branch_zero<mode>,
9952 *branch_zero<mode>_inverted, *branch_equality<mode>,
9953 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9954 Remove mode check from comparisons.
9956 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9958 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9960 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9962 * expmed.c (const_mult_add_overflow_p): Remove.
9963 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9965 * recog.c (validate_replace_rtx_subexp): Remove.
9966 * recog.h: Remove the prototype for
9967 validate_replace_rtx_subexp.
9969 * integrate.h: Remove the prototype for
9970 copy_decl_for_inlining.
9971 * rtl.h: Remove the prototype for mark_constant_function.
9972 * tree-vectorizer.h: Remove the prototype for
9973 vect_strip_conversion.
9975 * modulo-sched.c (create_partial_schedule,
9976 free_partial_schedule, reset_partial_schedule): Make them
9979 * hooks.c (hook_bool_rtx_int_false): Remove.
9980 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9982 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9984 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9985 and -mlong-double-128 are incompatible.
9986 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9987 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9988 (TARGET_LIBGCC2_CFLAGS): Define.
9989 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9990 (TARGET_LIBGCC2_CFLAGS): Same.
9991 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9993 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9996 * c-typeck.c (build_binary_op): Perform implicit casts of
9997 operands before shortening them.
9999 * cfgloopmanip.c (split_loop_bb): Remove.
10000 * cfgloop.h: Remove the prototype for split_loop_bb.
10002 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10003 * cfgloop.h: Remove the prototype for
10004 flow_loop_outside_edge_p.
10006 * emit-rtl.c (init_virtual_regs): Make it static.
10007 * function.h: Remove the prototype for init_virtual_regs.
10009 * recog.c (peephole2_optimize): Make it static.
10010 * recog.h: Remove the prototype for peephole2_optimize.
10012 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10014 * df-scan.c (df_record_entry_block_defs): Check if
10015 INCOMING_RETURN_ADDR_RTX is defined.
10017 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10018 Kenneth Zadeck <zadeck@naturalbridge.com>
10020 PR rtl-optimization/24762
10021 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10022 * targhooks.c (hook_void_bitmap): New hook prototype.
10023 * targhoohs.h (hook_void_bitmap): Ditto.
10024 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10025 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10026 * target.h (live_on_entry): New function pointer.
10027 * df-scan.c (df_all_hard_regs): Removed.
10028 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10029 (df_scan_free_internal): Added df->entry_block_defs.
10030 (df_scan_alloc): Ditto.
10031 (df_scan_dump): Ditto.
10032 (df_uses_record): Plumbed flag field properly thru calls.
10033 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10034 This part fixes PR24762.
10035 (df_bb_refs_record): Added code to make the frame and arg
10036 pointers live in EH blocks.
10037 (df_refs_record): Added call to df_record_entry_block_defs.
10038 (df_record_entry_block_defs): New function.
10039 * df-core.c: Added comments to describe new artifical defs.
10040 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10041 (entry_block_defs): New field in struct df.
10042 (df_all_hard_regs): Deleted.
10043 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10044 * df-problems.c (df_ru_bb_local_compute_process_def):
10045 Added code to handle artifical defs in the entry to a function.
10046 (df_ru_bb_local_compute): Ditto.
10047 (df_rd_bb_local_compute_process_def): Ditto.
10048 (df_rd_bb_local_compute): Ditto.
10049 (df_lr_bb_local_compute): Ditto.
10050 (df_ur_bb_local_compute): Ditto.
10051 (df_urec_bb_local_compute): Ditto.
10052 (df_chain_create_bb): Ditto.
10053 (df_ur_local_finalize): Removed entry.
10054 (df_urec_init): Ditto.
10055 (df_urec_local_finalize): Ditto.
10056 (df_ri_bb_compute): Added detection of last use of pseudos.
10057 * Makefile.in (df-scan.o): Updated dependencies.
10058 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10059 * config/mips/mips.c (mips_set_live_on_entry): Added.
10060 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10062 * dce.c (marked_insn_p): Added code to handle artifical defs.
10064 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10066 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10068 (_mm_cvtsi128_si64): Likewise.
10069 (_mm_cvtsd_si64): Likewise.
10070 (_mm_cvttsd_si64): Likewise.
10071 (_mm_cvtsi64_sd): Likewise.
10072 (_mm_cvtsi64_si128): Likewise.
10073 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10074 (_mm_cvtsi64_m64): Likewise.
10075 (_m_to_int64): Likewise.
10076 (_mm_cvtm64_si64): Likewise.
10077 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10078 (_mm_cvttss_si64): Likewise.
10079 (_mm_cvtsi64_ss): Likewise.
10080 (_mm_cvtss_f32): Likewise.
10082 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10084 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10085 for pragma redefine_extname.
10087 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10090 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10091 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10092 -mno-minimal-toc to previous content.
10093 (bispecs): Remove goal.
10094 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10095 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10096 compatibility aliases on powerpc-*-*gnu*.
10097 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10098 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10099 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10100 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10101 (ldblspecs): New goal.
10102 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10103 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10105 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10106 L_sf_to_tf or L_df_to_tf is defined.
10108 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10109 Alan Modra <amodra@bigpond.net.au>
10112 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10113 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10114 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10115 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10116 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10117 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10118 (rs6000_override_options): Initialize rs6000_ieeequad.
10119 Initialize TFmode format to ibm_extended_format if not
10121 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10123 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10124 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10125 (function_arg_advance): IBM long double passed in two FPRs, not
10127 (function_arg): IBM long double passed in FPRs.
10128 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10129 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10130 Only multireg GPR aligned.
10131 (rs6000_init_libfuncs): Enable IBM long double functions if not
10133 (rs6000_generate_compare): Use IBM long double compare if not
10135 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10136 (TARGET_IEEEQUAD): Define.
10137 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10138 not TARGET_IEEEQUAD.
10139 * config/rs6000/rs6000.md: Enable TFmode patterns if
10141 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10142 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10143 and -mlong-double-128 are incompatible.
10144 * doc/invoke.texi (-mabi): Collect options together. Add
10145 ibmlongdouble and ieeelongdouble.
10147 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10149 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10151 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10152 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10153 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10154 * rtl.h (rtunion_def): Remove rt_ptr.
10156 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10157 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10158 * config/i386/winnt.c (i386_pe_mark_dllexport)
10159 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10161 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10163 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10165 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10169 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10170 pthread_key_delete. From John David Anglin. gthrw-ify
10171 pthread_getunique_np only if it it's not a macro. Delete
10173 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10174 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10175 __gthread_objc_condition_signal, __gthread_key_delete): Add
10176 "__attribute__ ((__unused__))" to unused arguments.
10177 (__gthread_recursive_mutex_init_function): Add missing return.
10178 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10179 gthr-posix95.h: Use macro-based approach for name redirection
10180 on targets missing weakref.
10182 2006-01-26 Zack Weinberg <zackw@panix.com>
10184 * genconditions.c (write_header): In generated code, #ifdef out
10185 all includes and fake declarations, except includes of bconfig.h
10186 and system.h, unless GCC_VERSION >= 3001. Do not include
10187 gensupport.h in any case.
10188 (write_conditions): Generate a definition of struct c_test. Add
10189 a comment to the generated #endif.
10190 (write_one_condition): Escape backslashes in string too.
10191 (write_writer): Generated code must escape backslashes and quote
10192 marks (but not newlines) in the strings it writes.
10193 * Makefile.in (build/gencondmd.o): Update dependencies.
10195 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10198 * Makefile.in (insn-automata.o): Add header file dependencies.
10199 * genautomata.c: Add includes.
10201 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10204 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10206 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10208 * configure.ac: Expect target tools paths to be passed from the toplevel
10209 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10211 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10213 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10216 * c.opt (Wpointer-sign): Init to -1.
10217 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10218 OPT_pedantic, to 0 otherwise.
10219 * doc/invoke.texi: Update.
10221 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10223 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10224 constants provided by 80387 instructions in the destination mode.
10226 2006-01-26 Richard Guenther <rguenther@suse.de>
10227 Andrew Pinski <pinskia@physics.uc.edu>
10230 partial PR tree-opt/17064
10231 * tree-ssa-structalias.c (intra_create_variable_infos):
10232 Create heap variables for incoming parameters if
10233 flag_argument_noalias > 1.
10234 (find_what_p_points_to): Look through default defs of
10237 2006-01-26 Jeff Law <law@redhat.com>
10240 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10241 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10242 within the VR_RANGE, use the VR_RANGE as the result, not the
10244 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10245 bounds for the type.
10247 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10249 * tree-ssa-alias.c (maybe_create_global_var): Change
10250 subvar walking to an assertion that we don't have subvar'd variables.
10252 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10255 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10256 Use a new variable, inner. PARM_DECLs are always non-weak.
10258 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10260 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10261 --disable-checking.
10263 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10265 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10267 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10269 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10270 (smax_insn, smin_insn, smax_0, smin_0): New.
10272 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10275 * config/cris/cris.c (cris_order_for_addsi3): New function.
10276 * config/cris/cris-protos.h: Prototype it.
10277 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10278 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10279 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10280 (split for "op.S1 [rx=rx+i],ry (swapped)")
10281 (split for "op(s|u).S1 [rx=rx+i],ry")
10282 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10283 Apply cris_order_for_addsi3 when generating addsi3 insns.
10285 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10287 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10288 (TREE_BLOCK): Add call to EXPR_CHECK.
10290 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10293 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10294 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10295 (dump_omp_clauses): ... here.
10296 (dump_generic_node): Handle OMP_CLAUSE.
10297 * tree.c (omp_clause_num_ops): New.
10298 (omp_clause_code_name): New.
10299 (tree_code_size): Handle OMP_CLAUSE.
10300 (tree_size): Likewise.
10301 (make_node): Document handling of OMP_CLAUSE.
10302 (tree_node_structure): Handle OMP_CLAUSE.
10303 (omp_clause_check_failed): New.
10304 (omp_clause_range_check_failed): New.
10305 (omp_clause_operand_check_failed): New.
10306 (build_omp_clause): New.
10307 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10308 * tree.h (enum omp_clause_code): Declare.
10309 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10310 (OMP_CLAUSE_RANGE_CHECK): Define.
10311 (OMP_CLAUSE_ELT_CHECK): Define.
10312 (omp_clause_check_failed): Declare.
10313 (omp_clause_operand_check_failed): Declare.
10314 (omp_clause_range_check_failed): Declare.
10315 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10316 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10317 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10318 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10319 (OMP_CLAUSE_IF_EXPR): Likewise.
10320 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10321 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10322 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10323 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10324 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10325 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10326 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10327 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10328 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10329 (OMP_CLAUSE_CODE): Define.
10330 (OMP_CLAUSE_SET_CODE): Define.
10331 (OMP_CLAUSE_CODE): Define.
10332 (OMP_CLAUSE_OPERAND): Define.
10333 (struct tree_omp_clause): Declare.
10334 (union tree_node): Add field 'omp_clause'.
10335 * treestruct.def (TS_OMP_CLAUSE): Define.
10336 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10337 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10338 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10339 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10340 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10341 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10342 (OMP_CLAUSE): Define.
10343 * print-tree.c (print_node): Handle OMP_CLAUSE.
10344 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10345 * c-typeck.c: Likewise.
10346 * gimplify.c: Likewise.
10347 * c-omp.c: Likewise.
10348 * tree-nested.c: Likewise.
10349 * tree-inline.c: Likewise.
10350 * c-parser.c: Likewise.
10351 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10354 2006-01-25 Roger Sayle <roger@eyesopen.com>
10356 PR rtl-optimization/25703
10357 * combine.c (try_combine): Handle zero_extract and strict_low_part
10358 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10360 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10362 * global.c: Fix comment typos.
10364 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10367 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10368 Use output_addr_const instead of assemble_name.
10370 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10372 * Makefile.in (sched-vis.o): Update dependencies.
10373 * haifa-sched.c (sched_finish): Clear current_sched_info.
10374 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10375 (dump_flow_info): Call it.
10376 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10378 * basic-block.h (dump_bb_info): Declare.
10379 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10380 option, and apply options only for dump files whose TDF_RTL,
10381 TDF_TREE, or TDF_IPA bits match.
10382 * rtl.h: Declare new functions exported from sched-vis.c.
10383 * sched-vis.c: Enable also if scheduling is not used.
10384 (print_value): Print the mode of registers if not inside scheduling.
10385 (print_insn): Make it work outside the scheduler. Beautify the output
10387 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10389 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10391 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10392 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10393 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10394 depending on the value of CONSTANT_POOL_ADDRESS_P.
10395 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10397 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10398 rather than SYMBOL_REF_DECL.
10399 (rtx_constant_pool): Remove const_rtx_sym_htab.
10400 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10401 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10402 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10403 Remove handling of const_rtx_sym_htab.
10404 (find_pool_constant): Delete.
10405 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10406 rather than find_pool_constant.
10407 (get_pool_constant_for_function): Delete.
10408 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10409 find_pool_constant.
10410 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10411 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10412 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10413 (SYMBOL_REF_CONSTANT): New macro.
10414 (get_pool_constant_for_function): Delete.
10415 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10416 rather than SYMBOL_REF_DECL.
10417 (i386_pe_mark_dllimport): Likewise.
10418 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10419 rather than SYMBOL_REF_DECL.
10420 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10421 (machopic_indirect_call_target): Likewise.
10423 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10425 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10427 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10429 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10431 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10433 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10435 2006-01-24 David Daney <ddaney@avtrex.com>
10438 * configure.ac (enable_tls): New enable option.
10439 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10440 * configure: Regenerate.
10441 * doc/install.texi (--enable-tls): Document new option.
10442 (--disable-tls): Ditto.
10444 2006-01-24 Richard Henderson <rth@redehat.com>
10446 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10447 * alias.c (true_dependence): Respect it.
10448 (canon_true_dependence, write_dependence_p): Likewise.
10449 * builtins.c (get_builtin_sync_mem): Set it.
10451 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10453 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10456 2006-01-24 DJ Delorie <dj@redhat.com>
10458 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10459 for storing constants in single-bit bitfields.
10461 2006-01-25 Ben Elliston <bje@au.ibm.com>
10463 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10465 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10468 * tree-ssa-pre.c (phi_translate): Return NULL
10469 for AGGREGATE_TYPE's.
10471 2006-01-24 Zack Weinberg <zackw@panix.com>
10473 * genautomata.c (process_state_for_insn_equiv_partition):
10474 Use xcalloc for insn_arcs_array.
10475 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10476 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10478 2006-01-24 Richard Henderson <rth@redhat.com>
10480 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10481 update all callers.
10483 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10485 PR rtl-optimization/25890
10486 PR rtl-optimization/25905
10487 * combine.c (expand_compound_operation, expand_field_assignment):
10488 Fail if the bitfield's final position is out of bounds.
10490 2006-01-24 Ian Lance Taylor <ian@airs.com>
10492 PR middle-end/25930
10493 * cgraphunit.c (cgraph_output_in_order): Don't clear
10494 cgraph_asm_nodes until after asm strings have been output.
10496 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10498 * fix-header.c (read_scan_file): Add new parameter imultilib when
10499 calling register_include_chains.
10501 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10503 * omp-low.c: Update documentation.
10505 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10506 Daniel Berlin <dberlin@dberlin.org>
10510 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10511 return from the function.
10513 2006-01-22 Zack Weinberg <zackw@panix.com>
10515 * rtl.def (match_code): Add second argument.
10516 * genpreds.c (write_extract_subexp): New function.
10517 (write_match_code): Add path argument. Use write_extract_subexp.
10518 (write_predicate_expr): Pass path to write_match_code.
10519 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10520 not perform a mode test.
10521 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10522 a subexpression does not constrain the top-level code set.
10523 * read-rtl.c (read_rtx_variadic): New function.
10524 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10525 * doc/md.texi: Document new notation.
10526 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10527 (cmpsi_operand): ... here, using new notation.
10529 2006-01-22 Zack Weinberg <zackw@panix.com>
10531 * varray.c: Remove GENERATOR_FILE #ifdefs.
10533 2006-01-22 Zack Weinberg <zackw@panix.com>
10535 * genautomata.c (output_reserved_units_table): Emit nothing if
10536 description->query_units_num is zero. Remove extra blank line.
10537 (output_cpu_unit_reservation_p): Short circuit
10538 if description->query_units_num is zero.
10540 2006-01-22 Zack Weinberg <zackw@panix.com>
10542 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10543 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10544 nor any of the random handful of variables that used to be necessary
10545 when this program was linked with rtlanal.o. Prune set of forward
10546 function declarations.
10547 (struct attr_desc): Remove static_p field.
10548 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10549 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10550 (attr_string): Do not read the character one past the length of
10552 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10553 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10554 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10555 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10556 (make_automaton_attrs): New.
10557 (main): Do not call into genautomata. Call local gen_bypass
10558 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10559 Remove special case for insn_alts.
10560 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10561 varray.h (leftover from previous change). Prune set of forward
10562 function declarations. Remove state_alts fields from all
10563 structures. Remove state_alts_table from struct automaton.
10564 Make everything except main static. Do not maintain num_dfa_decls.
10565 Do not maintain state_alts fields of various structures.
10566 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10567 (add_arc): Remove state_alts argument. All callers updated.
10568 (output_reserved_units_table): Emit #ifdef here...
10569 (output_tables): ...not here. Don't generate state_alts tables.
10570 (expand_automata): Don't generate attributes.
10571 (write_automata): Don't generate state_alts functions.
10572 (main): New function.
10573 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10574 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10575 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10576 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10577 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10578 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10579 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10580 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10582 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10583 * genattrtab.h: Delete file.
10584 * Makefile.in (OBJS-common): Add insn-automata.o.
10585 (insn-automata.o): New rule.
10586 (simple_generated_c): Add insn-automata.c.
10587 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10588 (genprogmd): Add automata.
10589 (build/genattrtab): Needs no extra objects nor libraries.
10590 (build/genautomata): Needs build/vec.o and -lm.
10592 2006-01-22 Zack Weinberg <zackw@panix.com>
10594 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10595 (output_dfa_max_issue_rate, locked_states_num): Delete.
10596 (struct automaton): Add locked_states field.
10597 (output_dead_lock_vect): Save number of locked states in
10598 automaton->locked_states. If it is zero, don't print anything.
10599 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10600 (output_internal_dead_lock_func): Only test the dead_lock_vect
10601 for automata that have locked states.
10602 (output_statistics): Always print the number of locked states for
10603 each automaton. Calculate total number of locked states here.
10604 (write_automata): Don't call output_dfa_max_issue_rate.
10605 * genattrtab.c: Define length_unit_log as a const variable.
10606 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10607 max_insn_queue_index const.
10608 * final.c (length_unit_log): Declare const.
10609 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10611 2006-01-22 Zack Weinberg <zackw@panix.com>
10613 * genautomata.c: Include vec.h, not varray.h.
10614 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10615 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10616 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10617 VEC_* macros operating on appropriately typed vectors, or to
10618 malloced arrays when the size is known in advance. Const-ify
10619 many char* variables and function arguments. No functional changes.
10620 * Makefile.in (build/varray.o): Delete rule.
10621 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10622 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10624 2006-01-22 Zack Weinberg <zackw@panix.com>
10626 * gensupport.c: Define get_insn_name and record_insn_name here.
10627 (read_md_rtx): Call record_insn_name as appropriate.
10628 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10629 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10630 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10632 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10633 (BUILD_VARRAY): Delete.
10634 (genprognormal): Rename genprogmd. Fold in all programs from
10635 genprognoprint; also attrtab.
10636 (build/genattrtab): Just mention genautomata.o and varray.o.
10637 Reorganize a bit, add comments to make the categories clearer.
10639 2006-01-22 Zack Weinberg <zackw@panix.com>
10641 * genconditions.c (condition_table, add_condition): Delete.
10642 (write_conditions): Don't emit n_insn_conditions nor
10643 insn_elision_unavailable. Issue the gcc version #ifdef here,
10644 inside the table, with no #else clause ...
10645 (write_header): ...not here.
10646 (write_writer): New function.
10647 (main): Don't initialize condition_table. Use add_c_test.
10649 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10650 files on the command line.
10651 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10652 Return -1 if there is no entry in the table, don't abort.
10653 (add_c_test, traverse_c_tests): New functions.
10654 * gensupport.h (insn_elision_unavailable, insn_conditions)
10655 (n_insn_conditions): Delete declarations.
10656 (add_c_test, traverse_c_tests): Declare.
10657 * read-rtl.c: Include gensupport.h.
10658 (read_conditions): New function.
10659 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10660 (read_rtx_1): If we get EOF when we were looking for an initial
10661 open paren, return 0. Call read_conditions when appropriate.
10662 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10663 dummy-conditions.o. Eliminate references to insn-conditions.o,
10664 or change them to build/gencondmd.o, as appropriate. Remove
10665 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10666 from $(simple_generated_c). For all files remaining in those
10667 two lists, add insn-conditions.md to the generator command line.
10668 Give insn-constants.h/s-constants their own rules. Add rules
10669 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10670 (build/read-rtl.o): Depend on gensupport.h.
10671 (genprognormal): Include preds.
10672 (genprogearly): Rename genprognoprint; only difference is now that
10673 they don't link with $(BUILD_PRINT).
10674 * dummy-conditions.c: Delete.
10676 2006-01-22 Zack Weinberg <zackw@panix.com>
10678 * genextract.c: Don't include insn-config.h. Do include vec.h.
10679 Declare vectors of int, char, and locstr.
10680 (locstr): New typedef.
10681 (struct extraction): Make all array fields into bare pointers.
10682 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10683 (insn_code_number): Delete.
10684 (accum_extract): New struct.
10685 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10686 (gen_insn): Take insn_code_number as an argument. Use an
10687 accum_extract structure instead of loading data directly into
10688 a struct extraction, and having to know how big it might get.
10689 (walk_rtx): Operate entirely on an accum_extract structure.
10690 (print_path): Avoid unnecessary use of printf.
10691 (print_header): New function, split out of main. Distinguish
10692 more carefully between an unrecognizable insn and an insn that
10693 has the code number of a define_expand.
10694 (main): Pass insn_code_number to gen_insn. Call print_header
10695 only after parsing. Avoid unnecessary use of printf.
10696 * Makefile.in (build/vec.o): New rule.
10697 (build/genextract): Depend on build/vec.o.
10698 (build/genextract.o): Don't depend on insn-config.h.
10700 2006-01-22 Zack Weinberg <zackw@panix.com>
10702 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10703 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10704 practical. Eliminate per-generator-program link rules.
10706 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10708 PR middle-end/24437
10709 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10710 with a call expr to ...
10711 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10713 2006-01-23 Richard Guenther <rguenther@suse.de>
10715 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10716 before make_edge with conditional EDGE_TRUE_VALUE.
10718 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10719 Jan Hubicka <jh@suse.cz>
10720 Richard Guenther <rguenther@suse.de>
10722 PR rtl-optimization/25654
10723 * cfgexpand.c (aggregate_contains_union_type): New function.
10724 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10725 for structure variables that contain a union type.
10727 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10729 * gengtype.c (new_structure): Return the structure.
10730 (create_option): Add an extra "next" argument.
10731 (create_field): New function.
10732 (adjust_field_rtx_def): Use create_option and create_field.
10733 Remove a now-unnecessary call to find_structure.
10734 (adjust_field_tree_def): Likewise.
10735 (note_yacc_type): Remove an unnecessary call to find_structure.
10736 * gengtype.h (new_structure): Return the structure.
10737 (create_option): Add an extra argument.
10738 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10739 (option): Adjust calls to create_option.
10741 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10743 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10745 2006-01-22 Paul Brook <paul@codesourcery.com>
10746 Peter Barada <peter@the-baradas.com>
10748 * config/m68k/m68k.md: Add Coldfire FPU support.
10749 Define FP mode macro and associated attributes.
10750 Use it for float mode patterns.
10751 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10752 (LIBCALL_VALUE): Use m68k_libcall_value.
10753 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10754 (m68k_function_value): Ditto.
10755 (emit_move_sequence): Ditto.
10756 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10757 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10758 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10759 (MULTILIB_EXCEPTIONS): Ditto.
10760 * config/m68k/m68k.opt: Add mcfv4e.
10761 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10762 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10763 (m68k_output_function_prologue): Save ColdFire FPU registers.
10764 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10765 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10766 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10767 ColdFire FPU registers.
10768 (m68k_libcall_value, m68k_function_value): New functions.
10769 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10770 (LIBCALL_VALUE): Use m68k_libcall_value.
10771 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10772 (MASK_COLDFIRE): Add MASK_CFV4E.
10773 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10774 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10775 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10776 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10777 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10778 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10779 * doc/invoke.tex: Document -mcfv4e on m68k.
10781 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10783 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10786 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10789 * c-opts.c (c_common_handle_option): Don't include
10790 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10791 * doc/invoke.texi (C++ Dialect Options): Document that
10792 -Wnon-virtual-dtor is no longer included in -Wall.
10794 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10796 * gcov.c (print_version), gcov-dump.c (print_version),
10797 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10800 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10802 * df-scan.c (problem_SCAN): Added NULL reset function.
10803 (df_scan_reset_blocks): Added code to call reset block function
10804 (df_bb_refs_delete) Fixed comment.
10805 (df_insn_refs_delete): Made tolerant of deleting non existent info
10806 for dataflow problems that need to be reset.
10807 * df-core.c (df_set_blocks): Ditto.
10808 * df.h (struct df_problem): Added reset_fun.
10809 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10810 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10811 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10812 functions to clear out all references to def-use or use-def chains.
10814 2006-01-21 Ben Elliston <bje@au.ibm.com>
10816 * varasm.c (assemble_real): Initialise data array.
10818 2006-01-20 Paul Brook <paul@codesourcery.com>
10820 Merge from csl-arm-branch.
10821 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10822 * config/arm/arm.md (movdi): Force operands[1] to a register
10823 if we have a non-register source.
10824 (*arm_movdi, *movdf_soft_insn): Require that one of the
10825 operands be a register.
10826 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10827 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10829 2006-01-20 DJ Delorie <dj@redhat.com>
10831 * varasm.c (initializer_constant_valid_p): Allow pointers
10832 initialized from integer constants of lesser precision.
10833 (output_constant): Allow non-int-sized pointer modes to be
10834 initialized from integer constants.
10836 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10839 * cppdefault.h (struct default_include): Add multilib flag.
10840 * cppdefault.c (cpp_include_defaults): Set it.
10841 * c.opt (-imultilib): New option.
10842 * c-opts.c (imultilib): New.
10843 (c_common_handle_option): Handle -imultilib.
10844 (c_common_post_options): Likewise.
10845 * c-incpath.c (add_standard_paths, register_include_chains):
10847 * c-incpath.h (register_include_chains): Add extra parameter.
10848 * gcc.c (do_spec_1): Generate -imultilib option.
10849 (The Specs Language): Update %I description.
10850 (process_command): Update copyright notice.
10851 * doc/cppopts.texi (-imultilib): Document.
10852 * doc/invoke.texi (-imultilib): Include in option summary.
10853 (%I): Update specs documentation.
10855 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10857 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10859 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10861 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10864 2006-01-20 Richard Guenther <rguenther@suse.de>
10865 Steven Bosscher <stevenb.gcc@gmail.com>
10867 PR rtl-optimization/24626
10868 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10869 EDGE_TRUE_VALUE if in RTL mode.
10872 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10873 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10875 2006-01-20 Dirk Mueller <dmueller@suse.com>
10878 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10879 instead of a special NOP marker.
10880 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10881 NOP marker handling.
10882 * c-common.h (empty_body_warning): Add forward declaration.
10883 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10884 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10886 2006-01-20 Paul Brook <paul@codesourcery.com>
10888 * Makefile.in (lang_checks): Keep going if mkdir fails.
10890 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10892 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10893 be able to clean out basic block when not necessary.
10894 (df_scan_free): Fixed to properly delete information if df is
10895 unused before calling df_finish.
10896 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10897 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10899 (df_bb_refs_delete): New function.
10900 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10901 * df-core.c (df_set_blocks): Added code to properly clean out
10902 unused blocks if they are not part of the blocks to consider.
10903 Added additional null check.
10904 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10905 be able to clean out basic block when not necessary
10906 * df.h (df_free_bb_function): Ditto.
10907 (df_bb_refs_delete): New function.
10908 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10909 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10910 basic block parameter to be able to clean out basic block when not
10912 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10913 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10914 Fixed to properly delete information if df is unused before
10917 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10919 PR rtl-optimization/25799
10920 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10921 Corrected confluence operator to remove bits from op2 before oring
10922 with op1 rather than removing bits from op1.
10923 (df_ru_transfer_function): Corrected test on wrong bitmap which
10924 caused infinite loop. Both of these problems were introduced in
10925 the dataflow rewrite.
10927 2006-01-19 DJ Delorie <dj@redhat.com>
10929 * reload1.c (find_reload_regs): Note the details of reload
10930 failures in the dump file.
10931 (spill_failure): Likewise.
10933 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10935 * loop-iv.c: Include df.h and hashtab.h.
10936 (enum iv_grd_result): New enum.
10937 (DF_REF_IV, DF_REF_IV_SET): New macros.
10938 (struct biv_entry): New.
10939 (df, bivs): New global variables.
10940 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10941 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10943 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10944 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10945 analyzed_for_bivness_p, record_biv): New functions.
10946 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10947 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10948 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10950 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10952 (iv_number_of_iterations): Use new interface to iv analysis.
10953 * loop-unroll.c: Do not include varray.h.
10954 (analyze_iv_to_split_insn): Use new interface to iv
10956 * loop-unswitch.c (may_unswitch_on): Ditto.
10957 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10959 (df_bb_modify): Realloc tables to the new index.
10960 (df_find_use): New function.
10961 * df.h (df_find_use): Declare.
10962 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10964 * cfgloop.h (struct rtx_iv): Remove analysed field.
10965 (iv_get_reaching_def): Removed.
10966 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10967 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10968 (loop-iv.o): Add df.h and hashtab.h dependency.
10969 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10971 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10974 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10976 (__floatundisf, __floatundidf): Likewise.
10977 * libgcc2.h (IS_IBM_EXTENDED): Define.
10979 2006-01-19 DJ Delorie <dj@redhat.com>
10981 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10983 2006-01-19 Paul Brook <paul@codesourcery.com>
10985 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10986 as nothrow when unwinding tables are disabled.
10988 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10991 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10992 of bit-field" when in system header.
10994 2006-01-19 DJ Delorie <dj@redhat.com>
10996 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10997 the 16 bit shift limit of the m16c.
10999 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11002 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11003 * config/i386/i386.c (output_set_got): Output the label if we have one
11004 for the TARGET_DEEP_BRANCH_PREDICTION case.
11006 2006-01-19 Jan Hubicka <jh@suse.cz>
11007 H.J. Lu <hongjiu.lu@intel.com>
11008 Evandro Menezes <evandro.menezes@amd.com>
11010 * invoke.texi (generic): Document
11012 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11013 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11014 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11015 (x86_use_incdec, x86_pad_returns): New variables
11016 (TARGET_CPU_DEFAULT_generic): New constant
11017 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11018 (enum processor_type): Add generic32 and generic64.
11019 * i386.md (cpu attribute): Add generic32/generic64
11020 (movhi splitter): Behave sanely when both partial_reg_dependency and
11021 partial_reg_stall are set.
11022 (K8 splitters): Enable for generic as well.
11023 * predicates.md (incdec_operand): Use TARGET_INCDEC
11024 (aligned_operand): Avoid memory mismatch stalls.
11025 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11026 * ppro.md: Enable for generic32
11027 * i386.c (generic64_cost, generic32_cost): New.
11028 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11029 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11030 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11031 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11032 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11033 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11034 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11035 x86_accumulate_outgoing_args, x86_prologue_using_move,
11036 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11037 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11038 Enable for generic.
11039 (x86_use_incdec, x86_pad_returns): New.
11040 (override_options): Add generic32 and generic64, translate "generic"
11041 to generic32/generic64 and "i686" to "generic32", refuse
11042 "generic32"/"generic64" as arch target.
11043 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11044 (ix86_reorg): Honor PAD_RETURNS.
11046 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11048 * tree-pretty-print.c (dump_generic_node): Handle
11049 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11050 * cgraph.c (cgraph_expand_queue): Rename from
11051 cgraph_analyze_queue. Update all users.
11052 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11053 cgraph_expand_queue.
11054 (cgraph_expand_all_functions): Likewise.
11055 (cgraph_finalize_pending_functions): Remove. Update callers.
11057 * tree.h (OMP_DIRECTIVE_P): Define.
11058 (OMP_PARALLEL_FN): Define.
11059 (OMP_PARALLEL_DATA_ARG): Define.
11060 (OMP_SECTIONS_SECTIONS): Define.
11061 * tree-pass.h (pass_expand_omp): Declare.
11062 * omp-low.c (struct omp_region): Declare.
11063 (struct omp_context): Remove fields 'parallel_type',
11064 'parallel_start_ix' and 'parallel_start_additional_args'.
11066 (struct omp_for_data): Rename from struct expand_omp_for_data.
11067 (omp_regions): New static variable.
11068 (root_omp_region): New static variable.
11069 (find_omp_clause): Make static.
11070 (is_in_combined_parallel_ctx): Remove.
11071 (is_combined_parallel): New.
11072 (extract_omp_for_data): Move earlier in the file.
11073 (workshare_safe_to_combine_p): New.
11074 (get_ws_args_for): New.
11075 (determine_parallel_type): Move earlier in the file.
11076 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11078 (omp_copy_decl): Likewise.
11079 (create_omp_child_function): Likewise.
11080 (lookup_omp_region): New.
11081 (dump_omp_region): New.
11082 (debug_omp_region): New.
11083 (debug_all_omp_regions): New.
11084 (new_omp_region): New.
11085 (scan_omp_parallel): If parallel_nesting_level > 1, the
11086 directive is nested within another parallel directive.
11087 Set OMP_PARALLEL_FN.
11088 (scan_omp_for): Do not try to handle combined parallel+for
11090 Remove FIXME comment.
11091 (scan_omp_nested): Remove.
11092 (scan_omp_1): Do not call scan_omp_nested when
11093 parallel_nesting_level is > 1.
11094 Do not change the DECL_CONTEXT of local variables found.
11095 (lookup_decl_in_outer_ctx): New.
11096 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11097 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11098 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11099 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11100 If CTX is nested, lookup VAR in the outer context when
11101 building copy assignment.
11102 (lower_send_clauses): Rename from expand_send_clauses.
11103 If CTX is nested, lookup VAR in the outer context when
11104 building copy assignments.
11105 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11106 If CTX is nested, lookup VAR in the outer context when
11107 building copy assignments.
11108 (expand_parallel_call): Rename from build_parallel_call.
11109 Handle combined parallel+workshare cases.
11110 Re-implement to emit code into the CFG.
11112 (expand_omp_parallel): Re-implement to emit code into the CFG.
11113 Call move_sese_region_to_fn to outline the sub-graph
11114 containing the parallel region.
11115 (expand_omp_for_1): Remove.
11116 (expand_omp_for_generic): Re-implement to emit code into the
11118 (expand_omp_for_static_nochunk): Likewise.
11119 (expand_omp_for_static_chunk): Likewise.
11120 (expand_omp_for): Likewise.
11121 (expand_omp_sections): Likewise.
11122 (remove_exit_barriers): New.
11123 (expand_omp_synch): New.
11125 (build_omp_regions_1): New.
11126 (build_omp_regions): New.
11127 (execute_expand_omp): New.
11128 (gate_expand_omp): New.
11129 (pass_expand_omp): Define.
11130 (lower_omp_sections): Rename from expand_omp_sections.
11131 Set OMP_SECTIONS_SECTIONS.
11132 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11133 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11134 (lower_omp_single): Rename from expand_omp_simple.
11135 (lower_omp_master): Rename from expand_omp_master.
11136 (lower_omp_ordered): Rename from expand_omp_ordered.
11137 (lower_omp_critical): Rename from expand_omp_critical.
11138 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11139 (lower_omp_for): Re-implement.
11140 (lower_omp_parallel): Re-implement.
11141 (lower_regimplify): Rename from expand_regimplify.
11142 (lower_omp_1): Rename from expand_omp_1.
11143 If there are syntax errors in the program, replace every
11144 OpenMP directive with NOP.
11145 Call lower_omp_* instead of expand_omp_*.
11146 (lower_omp): Rename from expand_omp.
11148 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11149 * tree-gimple.h (enum omp_parallel_type): Remove.
11150 (gimple_boolify): Declare extern.
11151 (find_omp_clause, determine_parallel_type): Remove.
11153 * gimple-low.c (lower_omp_directive): New.
11154 (lower_stmt): Call it.
11155 (record_vars_into): Move from ...
11156 (record_vars): ... here.
11157 Call record_vars_into with current_function_decl.
11159 * gimplify.c (struct gimplify_ctx): Remove fields
11160 combined_pre_p and combined_ctxp. Update users.
11161 (get_formal_tmp_var): Add documentation.
11162 (gimple_boolify): Make extern.
11163 (gimplify_expr_in_ctx): Remove. Update callers.
11164 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11165 will always be a BIND_EXPR.
11166 (gimplify_expr): Handle OMP_RETURN_EXPR.
11167 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11168 (OMP_PARALLEL): Add 3 operands.
11169 (OMP_SECTIONS): Add 1 operand.
11170 (OMP_RETURN_EXPR): Define.
11172 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11173 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11174 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11175 creating a circular free list.
11176 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11178 * tree-flow.h (move_sese_region_to_fn): Declare.
11179 (record_vars_into): Declare.
11180 * tree-cfg.c (make_omp_sections_edges): New.
11181 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11182 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11183 OMP_SECTIONS and OMP_SECTION.
11184 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11185 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11186 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11187 (gather_blocks_in_sese_region): New.
11188 (struct move_stmt_d): Declare.
11189 (move_stmt_r): New.
11190 (move_block_to_fn): New.
11191 (move_sese_region_to_fn): New.
11193 * passes.c (init_optimization_passes): Schedule
11194 pass_expand_omp after pass_init_datastructures.
11196 * tree-ssa-operands.c (get_expr_operands): Handle
11197 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11198 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11200 2006-01-19 Jeff Law <law@redhat.com>
11202 * tree-vrp.c (extract_range_from_assert): Refine the result range
11203 if the variable referenced by the ASSERT_EXPR has a range and
11204 either the tentative result range or the previous range is a
11207 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11209 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11211 2006-01-19 Jan Hubicka <jh@suse.cz>
11213 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11215 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11217 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11218 (expand_compound_operation, expand_field_assignment): Fail if the
11219 bit lengths of an extract operation are out of range.
11220 (make_extraction): Compute wanted_inner_mode based on the position
11221 and length of the extraction. Make it extraction_mode for non-constant
11222 positions, and do not modify offset in that case. When generating a
11223 new MEM, use a mode that can hold the extraction while keeping correct
11224 alignment. Remove code that supported MEMs wrapped by USEs.
11225 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11227 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11229 * config/s390/s390.md ("Y", "y"): New mode attribute.
11230 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11231 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11232 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11233 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11234 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11235 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11236 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11237 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11238 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11239 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11240 "addsi3", "subsi3"): Insn patterns removed.
11241 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11242 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11243 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11244 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11245 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11246 "*sub<mode>3_cconly2"): New insn patterns.
11247 ("addsi3", "subsi3"): New expanders.
11249 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11251 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11252 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11253 existing STMT_VINFO_VECTYPE if available.
11254 (vect_mark_relevant): Add special handling for stmts that are
11255 marked as STMT_VINFO_IN_PATTERN_P.
11256 (vect_analyze_loop): Call vect_pattern_recog.
11257 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11258 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11260 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11261 (vect_recog_func_ptr): New function-pointer type.
11262 * tree-vect-patterns.c: New file.
11263 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11264 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11265 (vect_pattern_recog_1): New functions.
11266 (vect_pattern_recog_funcs): New array of function pointers.
11268 * tree-vectorizer.h (ternary_op): New enum value.
11269 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11270 declaration. Revised documentation. Removed redundant dump prints.
11271 Removed redundant argument. Added support for reduction patterns.
11272 (vectorizable_reduction): Added support for reduction patterns.
11273 (vect_transform_stmt): Added support for patterns.
11275 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11276 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11277 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11278 (expand_widen_pattern_expr): New function.
11279 (init_optabs): Initialize new optabs udot_prod_optab,
11281 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11282 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11283 (expand_widen_pattern_expr): New function declaration.
11284 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11286 * tree-inline.c (estimate_num_insns_1): Added cases for new
11287 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11288 * tree-pretty-print.c (dump_generic_node): Likewise.
11289 (op_prio): Likewise.
11290 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11291 * tree-ssa-operands.c (get_expr_operands): Added case for
11293 * tree-vect-patterns.c (widened_name_p): New function.
11294 (vect_recog_dot_prod_pattern): Added function implementation.
11295 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11296 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11297 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11298 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11300 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11301 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11302 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11303 (init_optabs): Initialize new optabs widen_ssum_optab,
11305 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11306 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11307 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11308 use instead of type of def.
11309 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11310 function implementation.
11311 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11312 widen_ssumv8hi): New.
11314 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11317 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11320 * c-decl.c (add_flexible_array_elts_to_size): New function.
11321 (finish_decl): Use it.
11323 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11325 * diagnostic.h: Include options.h.
11326 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11327 dependancies for diagnostic.h.
11328 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11330 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11332 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11333 (ssa_ro_call_cache_valid): Ditto.
11334 * tree-ssa-alias.c (sort_tags_by_id): New function.
11335 (init_transitive_clobber_worklist): Ditto.
11336 (add_to_worklist): Ditto.
11337 (mark_aliases_call_clobbered): Ditto.
11338 (compute_tag_properties): Ditto.
11339 (set_initial_properties): Ditto.
11340 (compute_call_clobbered): Ditto.
11341 (compute_may_aliases): Call compute_call_clobbered and grouping.
11342 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11343 (compute_flow_insensitive_aliasing): Grouping now happens in our
11345 (setup_pointers_and_addressables): Remove clobbering related code.
11346 (add_may_alias): Ditto.
11347 (replace_may_alias): Ditto.
11348 (get_nmt_for): Ditto.
11349 (create_global_var):
11350 (is_escape_site): Return an escape_type enumeration.
11351 * tree-flow-inline.h (is_call_clobbered): Global var does not
11352 imply call clobbered.
11353 (mark_call_clobbered): Take a reason for marking this. Remove
11354 marking of globalness, and cache invalidation.
11355 (clear_call_clobbered): Remove cache invalidation code.
11356 * tree-dfa.c (dump_variable): If details is on, dump the reason
11358 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11360 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11361 (struct var_ann_d): Ditto.
11362 (enum escape_type): New.
11363 (mark_call_clobbered): Adjust prototype.
11364 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11365 are never call clobbered.
11366 Record reasons for escaping.
11367 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11368 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11369 (ssa_ro_call_cache_valid): Ditto.
11370 (clobbered_v_may_defs): Ditto.
11371 (clobbered_vuses): Ditto.
11372 (ro_call_vuses): Ditto.
11373 (clobber_stats): New.
11374 (init_ssa_operands): Zero out clobber stats.
11375 (fini_ssa_operands): Print out clobber stats.
11376 (get_call_expr_operands): Pass callee fndecl to
11377 add_call_read_ops).
11378 (add_call_clobber_ops): Remove use of cache.
11379 Add use of PURE_CONST information.
11380 (add_call_read_ops): Remove use of cache.
11381 Add use of static not_read information.
11383 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11385 Introduce TLS descriptors for i386 and x86_64.
11386 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11387 (TARGET_ANY_GNU_TLS): New macro.
11388 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11389 (struct machine_function): Add tls_descriptor_call_expanded_p.
11390 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11391 (ix86_current_function_calls_tls_descriptor): Likewise.
11392 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11393 (override_options): Introduce gnu2 tls dialect.
11394 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11396 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11398 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11399 (ix86_init_machine_status): Initialize new field.
11400 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11401 (ix86_tls_module_base): New.
11402 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11403 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11404 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11405 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11406 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11407 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11408 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11409 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11410 * config/i386/predicates.md (tls_modbase_operand): New.
11411 (tp_or_register_operand): New.
11413 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11415 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11416 (look_for_address_of): Ditto.
11417 (ipa_init): Walk the function decls.
11418 (static_execute): Don't set readonly on FUNCTION_DECL's.
11420 2006-01-18 Roger Sayle <roger@eyesopen.com>
11422 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11423 for shifts where the source and destination registers are different.
11425 2006-01-18 Paul Brook <paul@codesourcery.com>
11427 Merge from csl-arm-branch.
11428 2005-03-14 Julian Brown <julian@codesourcery.com>
11429 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11430 (aeabi_llsl): Likewise.
11431 (ashrdi3): Likewise.
11432 (aeabi_lasr): Likewise.
11433 (lshrdi3): Likewise.
11434 (aeabi_llsr): Likewise.
11435 2005-03-10 Julian Brown <julian@codesourcery.com>
11436 * config.gcc: Disable shared libgcc for SymbianOS.
11437 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11439 2006-01-18 DJ Delorie <dj@redhat.com>
11441 * c-pragma.c (handle_pragma_diagnostic): New.
11442 (init_pragma): Register it.
11443 * doc/extend.texi: Document it.
11445 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11446 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11447 (diagnostic_context): Add classify_diagnostic[].
11448 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11449 as errors if they're overridden to DK_WARNING.
11450 (diagnostic_initialize): Initialize classify_diagnostic[].
11451 (diagnostic_set_kind_override): New.
11452 (diagnostic_report_diagnostic): Check for kind changes.
11453 * opts.c (common_handle_option): Take lang_mask. Update callers.
11454 Handle OPT_Werror_.
11455 * common.opt (Werror=): New.
11456 * doc/invoke.texi: Document -Werror=*
11458 2006-01-18 Jeff Law <law@redhat.com>
11460 * tree-vrp.c (test_for_singularity): Correct test for new
11461 min limit. Use operand_equal_p rather than pointer equality
11462 for testing if new min/max values are equal.
11464 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11465 using range information until after propagation and folding.
11467 2006-01-18 Richard Henderson <rth@redhat.com>
11468 Aldy Hernandez <aldyh@redhat.com>
11469 Jakub Jelinek <jakub@redhat.com>
11470 Diego Novillo <dnovillo@redhat.com>
11472 * omp-low.c: New file.
11473 * c-omp.c: New file.
11475 2006-01-18 Richard Henderson <rth@redhat.com>
11476 Jakub Jelinek <jakub@redhat.com>
11477 Diego Novillo <dnovillo@redhat.com>
11479 * doc/invoke.texi: Document -fopenmp.
11480 * tree-dump.h (debug_function): Declare.
11481 * hooks.c (hook_bool_tree_bool_false): New function.
11482 (hook_tree_tree_null): Remove.
11483 (hook_tree_tree_tree_null): New.
11484 * hooks.h: Update to match.
11485 * tree-pretty-print.c (debug_tree_chain): New.
11486 (print_generic_expr): Handle TDF_CHAIN.
11487 (dump_generic_node): Handle BLOCK.
11488 Do not abort with incomplete SWITCH_EXPRs.
11489 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11490 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11491 print space after directive name.
11492 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11493 Handle OMP_MASTER and OMP_ORDERED.
11494 Handle printing of OMP_BODY just in one place, goto
11495 dump_omp_body in the rest of OMP_* nodes that have
11497 Don't handle clause nodes here. Update omp statements to
11498 use dump_omp_clauses.
11499 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11500 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11501 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11502 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11503 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11504 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11505 Adjust output for GOMP_PARALLEL.
11506 (dump_omp_clauses): New.
11507 (print_declaration): Dump DECL_VALUE_EXPR.
11508 (op_symbol_1): Split out of op_symbol.
11509 (dumping_stmts): Remove. Update all users.
11510 * cgraph.c (cgraph_analyze_queue): New.
11511 (cgraph_add_new_function): New.
11512 * cgraph.h (cgraph_analyze_queue): Declare.
11513 (cgraph_add_new_function): Declare.
11514 (cgraph_lower_function): Remove.
11515 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11516 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11517 and TYPE_P nodes in its default clause.
11518 (empty_body_p): New.
11519 (tree_range_check_failed): New.
11520 (build5_stat): New.
11521 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11522 OMP_CLAUSE_REDUCTION_MERGE,
11523 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11524 OMP_CLAUSE_PRIVATE_DEBUG,
11525 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11526 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11527 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11528 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11529 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11530 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11531 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11532 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11533 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11534 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11535 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11536 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11537 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11538 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11539 (TREE_RANGE_CHECK): New.
11540 (empty_body_p): Declare.
11541 (enum omp_clause_default_kind): New.
11542 (build_string_literal): Declare.
11543 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11544 (build5_stat, build5): Declare.
11545 * tree-pass.h (TDF_CHAIN): Define.
11546 * tree-pass.h (PROP_gimple_lomp): Define.
11547 (pass_lower_omp): Declare.
11548 * diagnostic.h (debug_tree_chain): Declare.
11549 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11551 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11552 * builtins.c (build_string_literal): Make extern.
11553 * gcc.c (include_spec_function): New.
11554 (static_spec_functions): Add it.
11555 (main): Move load of libgomp.spec ...
11556 (LINK_COMMAND_SPEC): ... here.
11557 (link_gomp_spec): New.
11558 (static_specs): Include it.
11559 (LINK_COMMAND_SPEC): Add link_gomp.
11560 (GOMP_SELF_SPECS): New.
11561 (driver_self_specs): Include it.
11562 (switch_matches): Don't mark inline.
11563 (main): Load libgomp.spec.
11564 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11565 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11566 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11567 * tree-gimple.h (enum omp_parallel): Declare.
11568 (determine_parallel_type): Declare.
11569 (omp_firstprivatize_variable): Declare.
11570 (omp_reduction_init): Declare.
11571 (diagnose_omp_structured_block_errors): Declare.
11572 (struct walk_stmt_info): Add want_return_expr.
11573 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11574 (find_omp_clause): Declare.
11575 (insert_field_into_struct): Declare.
11576 (struct walk_stmt_info): Move from tree-nested.c
11577 (walk_stmts): Declare.
11578 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11580 * cgraphunit.c (cgraph_lower_function): Make static.
11581 (cgraph_finalize_pending_functions): New.
11582 (cgraph_finalize_function): Call it.
11583 (cgraph_finalize_compilation_unit): Likewise.
11584 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11585 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11586 (BT_FN_UINT_UINT): New.
11587 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11588 DEF_FUNCTION_TYPE_VAR_4): Document.
11589 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11590 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11591 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11592 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11593 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11594 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11595 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11596 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11597 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11598 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11599 into separate files.
11600 (DEF_GOMP_BUILTIN): New.
11601 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11602 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11603 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11604 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11605 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11606 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11607 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11608 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11609 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11610 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11611 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11612 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11613 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11614 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11615 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11616 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11617 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11618 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11619 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11620 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11621 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11622 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11623 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11624 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11625 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11626 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11627 * sync-builtins.def: New file, moved from builtins.def.
11628 * omp-builtins.def: New file, moved from builtins.def.
11629 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11630 * gimple-low.c (lower_function_body): Clear data.
11631 (lower_stmt): Do not handle COMPOUND_EXPR.
11632 Remove call to print_node_brief.
11633 * c-tree.h (c_finish_omp_clauses): New prototype.
11634 (C_DECL_THREADPRIVATE_P): Define.
11635 (lookup_name_no_remap, c_omp_remap_private): Remove
11636 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11637 (check_for_loop_decls): Update decl.
11638 (lookup_name_no_remap, c_omp_remap_private): Declare.
11639 (build_indirect_ref, build_modify_expr, pushdecl,
11640 pushdecl_top_level): Move to c-common.h.
11641 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11642 before the switch, but just in the 2 places that need it.
11643 * c-decl.c (diagnose_mismatched_decls): Do not check for
11644 mismatched thread-local attributes when OLDDECL is marked
11645 threadprivate and NEWDECL has no thread-local attributes.
11646 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11647 (c_gimple_diagnostics_recursively): Rename from
11648 c_warn_unused_result_recursively. Invoke
11649 diagnose_omp_structured_block_errors.
11650 (check_for_loop_decls): Return a singular decl found.
11651 * langhooks.c (lhd_omp_predetermined_sharing): Return
11652 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11653 (lhd_omp_firstprivatize_type_sizes): New.
11654 (lhd_omp_assignment): New.
11655 (lhd_omp_predetermined_sharing): New.
11656 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11657 (struct lang_hooks_for_types): Add
11658 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11659 omp_predetermined_sharing, omp_disregard_value_expr,
11660 omp_private_debug_clause, omp_clause_default_ctor,
11661 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11662 (c_finish_omp_clauses): New.
11663 (c_finish_bc_stmt): Diagnose break within omp for.
11664 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11665 (build_unary_op): Return error_mark after reporting
11667 (build_modify_expr): Likewise.
11668 * gimplify.c: Include optabs.h and pointer-set.h.
11669 (enum gimplify_omp_var_data): Declare.
11670 (struct gimplify_omp_ctx): Declare.
11671 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11673 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11674 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11675 (splay_tree_compare_decl_uid): New.
11676 (new_omp_context): New.
11677 (delete_omp_context): New.
11678 (gimple_add_tmp_var): Call omp_add_variable.
11679 (gimplify_bind_expr): Likewise.
11680 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11681 true, disregard DECL_VALUE_EXPR on the decl if any.
11682 (gimplify_expr_in_ctx): New.
11683 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11684 omp_add_variable, omp_notice_variable, omp_is_private
11685 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11686 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11687 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11688 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11689 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11690 gimplify_omp_atomic): New.
11691 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11692 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11693 OMP_CRITICAL and OMP_ATOMIC.
11694 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11695 * c-pragma.h (enum pragma_kind): Add
11696 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11697 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11698 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11699 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11700 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11701 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11702 PRAGMA_OMP_THREADPRIVATE.
11703 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11704 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11705 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11706 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11707 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11708 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11709 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11710 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11711 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11712 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11713 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11714 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11715 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11717 (struct nesting_info): Add field_map,
11718 suppress_expansion, debug_var_chain.
11719 (create_nesting_tree): Initialize them.
11720 (lookup_field_for_decl): Use field_map.
11721 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11722 (convert_local_omp_clauses): New.
11723 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11724 (walk_body): Split out of walk_function.
11725 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11726 (convert_nonlocal_reference): Handle omp statements.
11727 (convert_local_reference): Likewise.
11728 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11729 (unnest_nesting_tree): New.
11730 (lower_nested_functions): Call it.
11731 (insert_field_into_struct): Make extern.
11732 (struct walk_stmt_info): Move to tree-gimple.h.
11733 (walk_stmts): Make extern.
11734 * omp-builtins.def: New file.
11735 * tree-iterator.c (expr_only): Clarify comment.
11736 * c-common.h (pushdecl_top_level, pushdecl,
11737 build_modify_expr, build_indirect_ref,
11738 c_finish_omp_master, c_finish_omp_critical,
11739 c_finish_omp_ordered, c_finish_omp_barrier,
11740 c_finish_omp_atomic, c_finish_omp_flush,
11741 c_finish_omp_for, c_split_parallel_clauses,
11742 omp_clause_default_kind, c_omp_sharing_predetermined,
11743 c_omp_remap_decl): Declare.
11744 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11745 (OBJS-common): Add omp-low.o.
11746 (c-omp.o, omp-low.o): Add.
11747 (gimplify.o): Add dependency on $(OPTABS_H).
11748 (GTFILES): Add omp-low.c.
11749 (gt-stringpool.h): Add.
11750 * tree-cfg.c (set_bb_for_stmt): Do not update the
11751 block-to-labels map if we are currently expanding to RTL.
11752 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11754 Handle IDENTIFIER_NODE.
11755 (tree_verify_flow_info): Do not ICE when emitting error
11756 messages about invalid labels.
11757 (dump_function_to_file): Reset CFUN before emitting the body
11759 (debug_function): New.
11760 * passes.c (init_optimization_passes): Schedule
11762 * langhooks-def.h (lhd_omp_predetermined_sharing,
11763 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11765 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11766 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11767 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11768 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11769 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11770 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11771 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11772 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11773 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11774 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11775 (LANG_HOOK_DECLS): Use them.
11777 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11778 Richard Henderson <rth@redhat.com>
11779 Jakub Jelinek <jakub@redhat.com>
11780 Diego Novillo <dnovillo@redhat.com>
11782 * c-parser.c (pragma_omp_clause): Define.
11783 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11784 (c_parser_compound_statement): Likewise.
11785 (c_parser_statement): Likewise.
11786 (c_parser_pragma): Handle omp pragmas.
11787 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11788 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11789 (c_parser_omp_clause_name, check_no_duplicate_clause,
11790 c_parser_omp_variable_list,
11791 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11792 c_parser_omp_clause_copyprivate,
11793 c_parser_omp_clause_default,
11794 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11795 c_parser_omp_clause_lastprivate,
11796 c_parser_omp_clause_nowait,
11797 c_parser_omp_clause_num_threads,
11798 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11799 c_parser_omp_clause_reduction,
11800 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11801 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11802 c_parser_omp_atomic, c_parser_omp_barrier,
11803 c_parser_omp_critical, c_parser_omp_flush,
11804 c_parser_omp_for_loop, c_parser_omp_for,
11805 c_parser_omp_master, c_parser_omp_ordered,
11806 c_parser_omp_sections_scope, c_parser_omp_sections,
11807 c_parser_omp_parallel, c_parser_omp_single,
11808 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11809 * c-pragma.c (init_pragma): Do omp pragma registration here.
11810 * c.opt (fopenmp): New flag.
11812 2006-01-18 Eric Christopher <echristo@apple.com>
11814 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11815 * config/darwin.h (GOMP_SELF_SPECS): Define.
11817 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11819 * rtl.h: Remove the prototype for reg_alloc.
11821 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11824 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11825 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11826 sjlj and dwarf2 exception handling.
11827 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11828 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11829 * pa/pa.c (function_value): Treat complex and vector types as
11831 (function_arg): Likewise. Only pass scalar floats in the floating
11832 point argument registers.
11833 * pa/t-slibgcc-dwarf-ver: New file.
11834 * pa/t-slibgcc-sjlj-ver: New file.
11835 * pa/t-slibgcc-elf-ver: Delete file.
11837 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11839 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11840 unlikely_test_section_p test.
11842 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11844 * mode-switching.c (optimize_mode_switching): Make it static.
11845 * basic-block.h: Remove the prototype for
11846 optimize_mode_switching.
11848 * modulo-sched.c (sms_schedule): Make it static.
11849 * rtl.h: Remove the prototype for sms_schedule.
11851 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11852 * rtl.h: Remove the prototype for gcse_after_reload_main.
11854 * reg-stack.c (reg_to_stack): Make it static.
11855 * rtl.h: Remove the prototype for reg_to_stack.
11857 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11859 * rtl.h: Remove the prototypes for regrename_optimize and
11860 copyprop_hardreg_forward.
11862 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11864 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11865 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11866 Test against the appropriate null constant for the mode.
11867 If 'fixup_overlap' is true, swap the operands if they overlap.
11868 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11869 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11870 alpha_split_tmode_pair and adjust for above change.
11871 * config/alpha/alpha.md (movtf_internal): Adjust call to
11872 alpha_split_tfmode_pair and rely on it to swap the operands.
11873 (movti_internal): New insn and post-reload splitter.
11874 (movti): New expander.
11876 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11878 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11881 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11883 * rtlanal.c (global_reg_mentioned_p_1,
11884 global_reg_mentioned_p): Remove.
11885 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11887 * flow.c (initialize_uninitialized_subregs): Make it static.
11888 * rtl.h: Remove the prototype for
11889 initialize_uninitialized_subregs.
11891 * function.c (instantiate_virtual_regs): Make it static.
11892 * function.h: Remove the prototype for
11893 instantiate_virtual_regs.
11895 * regmove.c (regmove_optimize, combine_stack_adjustments):
11897 * rtl.h: Remove the prototypes for regmove_optimize and
11898 combine_stack_adjustments.
11900 2006-01-17 Roger Sayle <roger@eyesopen.com>
11902 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11903 (size_cost): Encode costs in bytes so that a reg-reg addition is
11904 equivalent to COSTS_N_INSNS(1).
11905 (override_options): Use the size_cost.branch_cost as the default
11906 ix86_branch_cost when optimizing for size.
11908 2006-01-18 Ben Elliston <bje@au.ibm.com>
11910 * Makefile.in (D32PBIT_FUNCS): New.
11911 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11912 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11913 D64PBIT_FUNCS and D128PBIT_FUNCS.
11914 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11915 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11917 (decnumber_dep): Define.
11918 * doc/libgcc.texi (Decimal float library routines): New node.
11919 * config/dfp-bit.h, config/dfp-bit.c: New files.
11921 2006-01-18 Ben Elliston <bje@au.ibm.com>
11923 * expr.c (emit_move_change_mode): Always adjust addresses, not
11924 just during reload. Copy replacements only during reload.
11925 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11926 emit_move_via_integer.
11928 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11930 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11931 instead of $(srcdir) and ${srcdir}.
11933 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11936 PR middle-end/11135
11937 * arm.h (struct machine_function): Add pic_reg.
11938 * arm.c (arm_pic_register): Make unsigned.
11939 (arm_override_options): Only set arm_pic_register if
11940 TARGET_SINGLE_PIC_BASE.
11941 (use_return_insn): Only test for a pic register if it is fixed.
11942 (arm_compute_save_reg0_reg12_mask): Likewise.
11943 (thumb_compute_save_reg_mask): Likewise.
11944 (legitimate_pic_operand): Factor out some known invariants.
11945 (legitimize_pic_address): If we don't have a fixed pic register,
11946 then set up a pseudo in the function entry sequence. Handle the
11947 pic base being in a pseudo.
11948 (arm_load_pic_register): Handle the pic register being in a pseudo.
11949 (arm_expand_prologue): Only set up the pic register if it is fixed.
11950 (thumb_expand_prologue): Likewise.
11951 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11952 (pic_load_addr_based_insn): Likewise.
11953 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11956 2006-01-18 Ben Elliston <bje@au.ibm.com>
11958 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11959 decimal float modes for all floating point registers.
11961 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11962 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11964 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11967 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11968 even when the pointer is not NULL.
11970 2006-01-16 Ian Lance Taylor <ian@airs.com>
11972 * common.opt (ftoplevel-reorder): New option.
11973 * cgraph.c (cgraph_asm_nodes): New global variable.
11974 (cgraph_asm_last_node): New static variable.
11975 (cgraph_order): New global variable.
11976 (cgraph_create_node): Set new order field.
11977 (cgraph_varpool_node): Likewise.
11978 (decide_is_variable_needed): Return true if not
11979 flag_toplevel_reorder.
11980 (cgraph_add_asm_node): New function.
11981 * cgraph.h (struct cgraph_node): Add order field.
11982 (struct cgraph_varpool_node): Add order field.
11983 (struct cgraph_asm_node): Define.
11984 (cgraph_asm_nodes, cgraph_order): Declare.
11985 (cgraph_add_asm_node): Declare.
11986 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11988 (cgraph_varpool_assemble_pending_decls): Call it.
11989 (cgraph_output_pending_asms): New static function.
11990 (cgraph_finalize_compilation_unit): Call it.
11991 (struct cgraph_order_sort): Define.
11992 (cgraph_output_in_order): New static function.
11993 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11994 !flag_toplevel_reorder case.
11995 * c-parser.c: Include "cgraph.h".
11996 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11998 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11999 than -fno-unit-at-a-time.
12000 * doc/invoke.texi (Option Summary): Mention
12001 -fno-toplevel-reorder.
12002 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12003 -funit-at-a-time documentation.
12005 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12006 Kazu Hirata <kazu@codesourcery.com>
12008 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12010 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12012 * Makefile.in (FUNCTION_H): New. Use it instead of
12013 function.h throughout the file.
12014 * function.h: Include tree.h.
12016 2006-01-17 Ben Elliston <bje@au.ibm.com>
12018 * recog.c: Separate some functions with whitespace.
12020 2006-01-16 Richard Henderson <rth@redhat.com>
12022 Merge from gomp branch:
12023 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12024 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12025 and rename from struct inline_data. Rename callee* to dst*;
12026 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12027 transform_new_cfg, transform_return_to_modify, and
12028 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12030 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12031 (copy_decl_for_dup): Remove.
12032 * tree-inline.c (struct inline_data): Move to header.
12033 (insert_decl_map): Export.
12034 (remap_decl): Update for member name changes. Use copy_decl hook.
12035 Allow for replacement to be a non-decl. Remove dead code.
12036 (remap_type_1): Check for existing mapping.
12037 (remap_type): Export.
12038 (remap_decls): Update for member name changes.
12039 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12040 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12041 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12042 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12043 (tree_function_versioning, build_duplicate_type): Likewise.
12044 (copy_body_r): Likewise. Export.
12045 (copy_decl_for_dup): Split into ...
12046 (copy_decl_for_dup_finish, copy_decl_to_var,
12047 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12048 (replace_ref_tree, inlining_p): Remove.
12050 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12052 * ifcvt.c (if_convert): Make it static.
12053 * rtl.h: Remove the prototype for if_convert.
12055 * local-alloc.c (local_alloc): Make it static.
12056 * rtl.h: Remove the prototype for local_alloc.
12058 * loop.c (loop_optimize): Make it static.
12059 * cfgloop.h: Remove the prototype for loop_optimize.
12062 2006-01-16 DJ Delorie <dj@redhat.com>
12064 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12067 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12069 * pa.md: Disparage copies between general and floating-point registers
12070 in 32-bit move patterns.
12072 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12075 * Makefile.in (check-%): Depend on site.exp instead of
12076 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12079 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12081 * global.c (global_alloc): Make it static.
12082 * rtl.h: Remove the prototype for global_alloc.
12084 2006-01-16 Richard Guenther <rguenther@suse.de>
12086 * tree-ssa-alias.c (struct used_part): Add write_only field.
12087 (get_or_create_used_part_for): Initialize it to true.
12088 (create_overlap_variables_for): Don't create structure variables
12089 for structures that only are written to.
12090 (find_used_portions): Handle MODIFY_EXPR to track whether a
12091 structure is only written to.
12093 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12095 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12097 * basic-block.h: Remove the prototype for
12098 partition_hot_cold_basic_blocks.
12100 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12102 * cppspec.c (lang_specific_spec_functions): Remove.
12103 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12104 * gcc.h (lang_specific_spec_functions): Remove.
12105 * gccspec.c (lang_specific_spec_functions): Remove.
12107 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12109 * combine.c (record_value_for_reg): Invalidate registers
12111 (record_dead_and_set_regs_1): Likewise, by passing them to
12112 record_value_for_reg.
12113 (record_dead_and_set_regs): Invalidate stores made by a
12114 call. We do not combine across a call, but we still
12115 relied on equivalences.
12117 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12119 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12120 vrp_int_const_binop returning non-constant nodes.
12122 2006-01-16 Paul Brook <paul@codesourcery.com>
12124 * config/m68k/m68k.c (output_move_const_into_data_reg):
12125 Output correct mnemonic for mvz and mvs.
12127 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12129 * rtl-factoring.c: Add sequence abstraction algorithm.
12130 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12131 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12133 (block_has_preserve_label): New function.
12134 * common.opt: Register new pass.
12135 * Makefile.in: Ditto.
12137 * timevar.def: Ditto.
12138 * tree-pass.h: Ditto.
12139 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12140 * rtl.h (make_jump_insn_raw): Add forward decl.
12141 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12143 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12144 Roger Sayle <roger@eyesopen.com>
12146 * fold-const.c (fold_minmax): New static function.
12147 (fold_binary) <MIN_EXPR>: Call it.
12148 <MAX_EXPR>: Likewise.
12149 * stor-layout.c (place_field): Use DECL_SIZE consistently
12150 in the computation of the new record size.
12152 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12154 * cse.c (cse_condition_code_reg): Make it static.
12155 * rtl.h: Remove the prototype for cse_condition_code_reg.
12157 * combine.c (combine_instructions): Make it static.
12158 * rtl.h: Remove the prototype for combine_instructions.
12160 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12163 * tree.c (get_file_function_name_long): Concatenate the first global
12164 object name with a string derived from the input filename of the object
12167 2006-01-16 Ben Elliston <bje@au.ibm.com>
12169 * config/i386/winnt-stubs.c: Update FSF address.
12170 * config/xtensa/ieee754-df.S: Ditto.
12171 * config/xtensa/ieee754-sf.S: Ditto.
12173 2006-01-14 Ian Lance Taylor <ian@airs.com>
12175 * ifcvt.c (noce_init_if_info): New static function, broken out of
12176 noce_process_if_block.
12177 (noce_process_if_block): Call noce_init_if_info.
12178 (check_cond_move_block): New static function.
12179 (cond_move_process_if_block): New static function.
12180 (process_if_block): Call cond_move_process_if_block.
12182 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12184 * cselib.c (hash_table): Rename to cselib_hash_table.
12185 (cselib_clear_table, discard_useless_values,
12186 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12187 cselib_init, cselib_finish): Adjust uses of hash_table.
12189 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12191 PR tree-optimization/25485
12192 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12193 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12194 is known to be false and true, respectively.
12196 2006-01-14 Richard Guenther <rguenther@suse.de>
12198 PR tree-optimization/22548
12199 PR tree-optimization/22555
12200 PR tree-optimization/22501
12201 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12202 * params.def (salias-max-array-elements): New parameter.
12203 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12204 * doc/invoke.texi (salias-max-array-elements): Document.
12205 * tree-flow-inline.h (var_can_have_subvars): We also handle
12207 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12209 * tree-ssa-structalias.c (params.h): Include.
12210 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12211 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12212 (get_constraint_for): For ADDR_EXPR operating on something
12213 containing an ARRAY_REF, add all subvars to the solution.
12214 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12215 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12216 for creating MUST_DEFs.
12217 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12219 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12221 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12223 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12224 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12225 number_of_iterations_le): New functions.
12226 (number_of_iterations_special): Removed.
12227 (number_of_iterations_exit): Do not use number_of_iterations_special.
12228 * tree.c (unsigned_type_for): Always return integer type.
12230 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12231 Richard Guenther <rguenther@suse.de>
12233 PR rtl-optimization/24257
12234 * gcse.c (find_moveable_store): Only consider a store movable
12235 when the SET_SRC of the insn can be assigned to a register.
12237 2006-01-14 Ian Lance Taylor <ian@airs.com>
12239 * tree.c (tree_not_class_check_failed): New function.
12240 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12241 (tree_not_class_check_failed): Declare.
12243 2006-01-13 Ian Lance Taylor <ian@airs.com>
12245 * reload1.c (do_output_reload): Add assertion rejecting a
12248 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12250 * combine.c (struct reg_stat): Add new fields truncation_label and
12252 (record_value_for_reg): Reset truncated_to_mode.
12253 (record_truncated_value): New function.
12254 (check_promoted_subreg): Call it. Rename to check_conversions.
12255 (combine_instructions): Rename check_promoted_subreg to
12257 (reg_truncated_to_mode): New function.
12258 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12259 (gen_lowpart_or_truncate): New function.
12260 (force_to_mode): Use it instead of gen_lowpart.
12262 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12264 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12265 VAR is a tag, not its type tag.
12267 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12269 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12270 alternatives to match style of other entries.
12271 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12273 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12275 PR tree-optimization/25771
12276 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12279 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12282 * tree-inline.c (declare_return_variable): If the return variable
12283 was marked as a non gimple complex, set the return slot variable
12284 to be a non gimple comple variable.
12286 2006-01-13 Richard Guenther <rguenther@suse.de>
12288 * builtins.c (expand_builtin_sincos): New function.
12289 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12291 (expand_builtin): Expand sincos using expand_builtin_sincos.
12293 2006-01-12 DJ Delorie <dj@redhat.com>
12295 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12296 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12297 so that constant shifts can be split.
12298 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12299 (m32c_valid_pointer_mode): Make static.
12300 (shift_gen_func_for): New.
12301 (m32c_prepare_shift): Use it. Split large const shifts into
12303 * config/m32c/predicates.md (shiftcount_operand): Allow more
12305 (longshiftcount_operand): New.
12306 * doc/md.texi (Machine Constraints): Document In6.
12308 2006-01-13 Ben Elliston <bje@au.ibm.com>
12310 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12311 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12314 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12316 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12317 to try to avoid clobbering pieces of structures when we know
12318 something about the whole structure.
12319 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12321 2006-01-13 Ben Elliston <bje@au.ibm.com>
12323 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12324 return in memory, as this is no limitation is no longer present.
12326 2006-01-12 DJ Delorie <dj@redhat.com>
12328 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12329 mova with fb, and for fb+0 -> An.
12331 * config/m32c/mov.md (peephole2): Fix enabling logic.
12333 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12334 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12335 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12336 FINI_ARRAY_SECTION_ASM_OP): Define.
12338 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12340 (m32c_legitimize_reload_address): New logic to reload FB to An.
12341 (m32c_output_reg_push): Add newline.
12342 (m32c_output_reg_pop): Likewise.
12344 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12346 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12348 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12350 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12352 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12354 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12357 2006-01-11 Ben Elliston <bje@au.ibm.com>
12359 * rtlanal.c (find_reg_note): Assert insn is not null.
12361 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12363 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12366 2006-01-11 Jeff Law <law@redhat.com>
12368 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12370 (mark_threaded_blocks, register_jump_thread): New functions.
12371 (thread_through_all_blocks): Remove unwanted argument. No
12372 longer rely on e->aux to communicate thread target info.
12373 Call mark_threaded_blocks. Release the threaded_blocks
12374 bitmap and threaded_edges vector when complete.
12375 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12376 (threaded_blocks): Remove.
12377 (tree_ssa_dominator_optimize): Remove initialization and
12378 finalization of threaded_blocks. Simplify call to
12379 thread_through_all_blocks.
12380 (thread_across_edge): Call register_jump_thread rather than
12381 storing thread information into e->aux.
12382 (free_all_edge_infos): Simplify now that e->aux is no longer
12383 used to communicate with thread_through_all_blocks.
12384 * tree-flow.h (thread_through_all_blocks): Update prototype.
12385 (register_jump_thread): Prototype.
12387 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12389 * df-core.c (df_compact_blocks, df_bb_replace): Use
12390 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12392 2006-01-11 Richard Guenther <rguenther@suse.de>
12394 PR tree-optimization/25734
12395 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12396 stop propagation after successful propagation to the LHS.
12398 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12400 * basic-block.h (control_flow_graph): Change the type of
12401 x_basic_block_info to VEC(basic_block,gc) *.
12402 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12404 (SET_BASIC_BLOCK): New.
12405 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12406 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12407 * cfgbuild.c (find_basic_blocks): Likewise.
12408 * cfglayout.c (fixup_reorder_chain): Likewise.
12409 * cfgrtl.c (create_basic_block_structure,
12410 rtl_create_basic_block): Likewise.
12411 * ifcvt.c (find_if_case_1): Likewise.
12412 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12415 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12417 * Makefile.in: Removed rotted odf.c entry.
12419 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12422 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12423 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12424 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12425 output pattern modifier, not %e.
12426 * config/cris/cris.c (cris_op_str): Update comment about pattern
12428 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12429 before falling through into...
12430 <case 'E'>: Redefined from old 'e' case.
12432 2006-01-11 Jan Hubicka <jh@suse.cz>
12435 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12437 2006-01-11 Jan Hubicka <jh@suse.cz>
12439 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12440 * i386.c (x86_decompose_lea): Kill.
12441 (ix86_rtx_costs): Kill.
12443 2006-01-11 Jan Hubicka <jh@suse.cz>
12445 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12446 * cgraph.h (cgraph_node): Add inline_decl.
12447 (cgraph_insert_node_to_hashtable): Declare.
12448 (save_inline_function_body): Declare.
12449 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12451 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12452 (cgraph_function_versioning): Update call of tree_function_versioning.
12453 (save_inline_function_body): New function.
12454 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12455 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12456 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12457 (cgraph_default_inline_p): Likewise.
12458 (cgraph_decide_inlining_incrementally): Likewise.
12459 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12460 (copy_bb): Kill saving; do updating of clones.
12461 (copy_cfg_body): Kill saving.
12462 (initialize_inlined-parameters): Likewise.
12463 (expand_call_inline): Likewise.
12465 (tree_function_versioning): New parameter "update_clones".
12466 (inlining_p): Kill saving.
12467 * tree-inline.h (tree_function_versioning): Update prototype.
12468 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12471 2006-01-11 Ian Lance Taylor <ian@airs.com>
12473 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12474 Allow undoing set of machine mode.
12475 (do_SUBST): Use enums instead of is_int.
12476 (do_SUBST_MODE): New function.
12477 (SUBST_MODE): New macro.
12478 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12479 reg and trying to replace reg_regno_rtx with a new register.
12480 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12481 (simplify_set): Use SUBST_MODE.
12482 (distribute_notes): Remove code that tried to update reg notes
12483 for regno_reg_rtx changes.
12485 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12487 PR tree-optimization/23109
12488 PR tree-optimization/23948
12489 PR tree-optimization/24123
12491 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12492 * tree-cfg.c (single_noncomplex_succ): New.
12493 * tree-flow.h (single_noncomplex_succ): Declare it.
12494 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12495 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12496 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12497 insert_bb, register_division_in, insert_reciprocals,
12498 replace_reciprocal, free_bb): New.
12499 (execute_cse_reciprocals_1): Rewritten.
12500 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12501 Do not commit any edge insertion. Always compute dominators and
12502 create the allocation pool.
12503 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12504 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12505 * targhooks.c (default_min_divistions_for_recip_mul): New.
12506 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12507 * passes.c (init_optimization_passes): Run recip after tree loop
12509 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12511 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12512 Kenneth Zadeck <zadeck@naturalbridge.com>
12514 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12515 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12516 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12517 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12518 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12519 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12520 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12521 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12522 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12523 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12524 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12525 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12526 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12527 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12528 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12529 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12530 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12531 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12532 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12533 DF_SCAN_POST_ALLOC): New macros.
12534 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12535 df_free_bb_function, df_local_compute_function, df_init_function,
12536 df_dataflow_function, df_confluence_function_0,
12537 df_confluence_function_n, df_transfer_function,
12538 df_finalizer_function, df_free_function, df_dump_problem_function,
12539 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12540 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12541 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12542 df_urec_bb_info, ) New types.
12543 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12545 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12546 df_analyze_simple_change_some_blocks,
12547 df_analyze_simple_change_one_block, df_compact_blocks,
12548 df_bb_replace, df_bb_regno_last_use_find,
12549 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12550 df_insn_regno_def_p, df_find_def, df_find_use,
12551 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12552 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12553 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12554 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12555 debug_df_chain, df_get_dependent_problem, df_chain_create,
12556 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12557 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12558 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12559 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12560 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12561 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12562 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12563 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12564 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12565 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12566 df_reorganize_refs, df_set_state, df_hard_reg_init,
12567 df_read_modify_subreg_p) New public functions.
12568 * df-core.c: The core dataflow solver and glue routines for rtl
12570 (df_init, df_add_problem, df_set_blocks, df_finish,
12571 df_hybrid_search_forward, df_hybrid_search_backward,
12572 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12573 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12574 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12575 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12576 df_reg_defined, df_find_use, df_reg_used, df_dump,
12577 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12578 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12579 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12580 debug_df_useno, reset_df_after_reload): New functions.
12581 * df-scan.c: The scanning fuctions, once in df.c, completely
12582 rewritten so that they now fully model the functionality of
12583 register usage at the backend.
12584 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12585 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12586 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12587 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12588 df_get_artificial_defs, df_get_artificial_uses,
12589 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12590 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12591 df_refs_delete, df_reorganize_refs, df_set_state,
12592 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12593 df_def_record_1, df_defs_record, df_uses_record,
12594 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12595 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12596 df_record_exit_block_uses, df_hard_reg_init): New functions.
12598 * df-problems.c: Seven concrete dataflow problems that use the
12599 scanning in df-scan.c and are solved by the engine in df-core.c.
12600 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12601 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12602 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12603 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12604 df_ru_free_bb_info, df_ru_alloc,
12605 df_ru_bb_local_compute_process_def,
12606 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12607 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12608 df_ru_transfer_function, df_ru_free, df_ru_dump,
12609 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12610 df_rd_free_bb_info, df_rd_alloc,
12611 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12612 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12613 df_rd_transfer_function, df_rd_free, df_rd_dump,
12614 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12615 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12616 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12617 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12618 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12619 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12620 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12621 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12622 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12623 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12624 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12625 df_urec_mark_reg_use_for_earlyclobber,
12626 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12627 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12628 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12629 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12630 df_chain_create_bb_process_use, df_chain_create_bb,
12631 df_chain_finalize, df_chain_free, df_chains_dump,
12632 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12633 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12634 df_reg_lifetime): New functions.
12635 * df.c: Deleted file.
12636 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12637 consistent with new df api.
12638 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12639 rest_of_handle_sms): Ditto.
12640 * web.c (unionfind_union, union_defs, entry_register, web_main):
12642 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12643 invariant_expr_equal_p, find_defs, check_dependencies,
12644 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12645 free_inv_motion_data, move_loop_invariants): Ditto.
12646 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12647 Update dependencies.
12648 (odf.c): Added defective entry that was deleted later in day.
12649 * sched-deps.c (sched_analyze_1): Ditto.
12651 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12653 * tree-ssa-operands.c (get_expr_operands): Record addressable
12654 variables directly. Do not call add_stmt_operands for CONST_DECLs
12656 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12657 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12659 2006-01-11 Ben Elliston <bje@au.ibm.com>
12661 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12662 function returns true in the positive case.
12664 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12667 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12668 for SI, DI, SF and DF modes. Add alternatives to copy between
12669 general and floating point registers to the 32-bit patterns.
12670 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12671 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12672 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12673 generating 64-bit code.
12674 * config/pa/pa.c (output_move_double): Handle copies between general
12675 and floating registers.
12677 2006-01-10 Stuart Hastings <stuart@apple.com>
12679 * config/i386/i386.md (set_got): Update.
12680 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12681 (builtin_setjmp_receiver): Mach-O support.
12682 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12683 (GOT_SYMBOL_NAME): Define.
12684 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12685 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12686 * config/i386/i386.c (override_options): Revise for Darwin.
12687 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12688 support. (darwin_x86_file_end): New. (output_set_got): Add label
12689 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12690 * config/i386/i386-protos.h (output_set_got): Likewise.
12691 * config/darwin.c (machopic_legitimize_pic_address): Update
12694 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12696 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12697 when MODE isn't BLKmode.
12699 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12701 PR rtl-optimization/25367
12702 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12704 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12707 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12708 for a negative bound.
12710 2006-01-10 Richard Guenther <rguenther@suse.de>
12712 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12713 Never override with anything constraint.
12715 2006-01-10 Jan Beulich <jbeulich@novell.com>
12717 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12718 256 bits when optimize_size.
12720 2006-01-10 Jan Beulich <jbeulich@novell.com>
12722 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12724 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12725 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12728 2006-01-10 Ben Elliston <bje@au.ibm.com>
12730 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12732 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12733 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12734 (USE_FP_FOR_ARG): Reject decimal float modes.
12735 (function_arg_advance): Likewise.
12736 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12737 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12738 point types in AltiVec vectors.
12739 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12740 (rs6000_libcall_value): Likewise.
12742 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12744 * config/xtensa/ieee754-df.S: New file.
12745 * config/xtensa/ieee754-sf.S: New file.
12746 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12747 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12748 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12750 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12752 * config/sh/predicates.md (binary_float_operator,
12753 binary_logical_operator, commutative_float_operator,
12754 equality_comparison_operator, greater_comparison_operator,
12755 less_comparison_operator, logical_operator,
12756 noncommutative_float_operator, shift_operator,
12757 symbol_ref_operand, unary_float_operator): Remove redundant
12760 2006-01-09 Jeff Law <law@redhat.com>
12762 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12763 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12764 now unused arguments. Callers updated.
12765 (eliminate_redundant_computations): Remove now unused arguments,
12767 (local_fold): Remove, no longer used.
12768 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12770 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12771 (simplify_cond): New function.
12772 (forward_propagate_into_cond): Call simplify_cond.
12774 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12776 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12777 (*vec_extractv2di_1_sse): New.
12779 2006-01-09 Ben Elliston <bje@au.ibm.com>
12781 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12783 2006-01-08 Richard Guenther <rguenther@suse.de>
12785 * tree-ssa-structalias.c (get_constraint_for): Remove
12786 anyoffset argument.
12787 (get_constraint_for_component_ref): Likewise.
12788 (do_deref): Likewise.
12789 (get_constraint_for): Likewise.
12790 (do_structure_copy): Likewise.
12791 (handle_ptr_arith): Likewise.
12792 (find_func_aliases): Likewise. Remove unused need_anyoffset
12795 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12796 Kaz Kojima <kkojima@gcc.gnu.org>
12798 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12799 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12800 (EXTRA_CONSTRAINT_C16): Remove.
12801 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12802 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12803 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12804 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12805 constants of SHmedia. Handle nested constant expressions of
12807 (andcosts): Fix the costs for SHmedia constants.
12808 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12809 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12810 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12811 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12812 (movv4hi_i, movv2si_i): Likewise.
12813 (movsi_const): Adjust the second operand of ior so to match with
12814 the Csu constraint.
12815 (movdi_const, movdi_const_32bit): Likewise.
12816 (movdi_const_16bit+1): Don't sign-extend LOW.
12817 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12819 (*double_shori): Fix the split condition. Use GEN_INT instead
12820 of get_int_mode calls. Mask lower 16-bit of the argument of
12822 (sym2GOTPLT): Remove.
12823 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12825 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12826 instead of EXTRA_CONSTRAINT_C16.
12828 2006-01-07 Ian Lance Taylor <ian@airs.com>
12829 David Edelsohn <edelsohn@gnu.org>
12831 PR rtl-optimization/25662
12832 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12833 for constant operands instead of simplify_gen_binary.
12834 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12835 after trying simplify_binary_operation
12837 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12839 * tree.c (iterative_hash_expr): Hash decls based on UID.
12841 2006-01-06 Eric Christopher <echristo@apple.com>
12843 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12844 (TARGET_UNWIND_EMIT): Fix spelling.
12845 * target.h (gcc_target): Add except_table_label.
12846 * except.c (output_function_exception_table): Use.
12847 * varasm.c (default_emit_except_table_label): New.
12848 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12850 (asm_out): Add here.
12851 * output.h (default_emit_except_table_label): Prototype.
12852 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12853 * config/darwin.c (darwin_emit_except_table_label): Define.
12854 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12856 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12858 PR tree-optimization/18527
12859 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12860 number_of_iterations_special, number_of_iterations_exit):
12861 Move base and step of an iv to a single structure. Add
12862 no_overflow flag, and use it in # of iterations analysis.
12863 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12864 folded_casts argument.
12865 (simple_iv): Pass base and step in a structure. Set no_overflow
12867 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12868 Evaluate expensiveness of computing # of iterations instead of
12869 the final expression.
12870 * tree-scalar-evolution.h (affine_iv): New structure.
12871 (simple_iv): Declaration changed.
12872 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12873 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12874 find_givs_in_stmt): Changed due to simple_iv change.
12876 2006-01-06 Jeff Law <law@redhat.com>
12879 * tree-cfg.c (bsi_replace): Rename final argument from
12880 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12881 change (stmt -> orig_stmt).
12882 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12883 (bsi_remove): Add new argument. Remove EH information
12885 (verify_eh_throw_table_statements): New function.
12886 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12888 * tree-optimize.c (execute_free_cfg_annotations): Verify
12889 the EH throw statement table after removing annotations.
12890 * except.h (verify_eh_throw_table_statements): Prototype.
12891 * tree-flow.h (bsi_remove): Update prototype.
12892 * tree-vrp.c (remove_range_assertions): Add new argument to
12894 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12895 * tree-complex.c (expand_complex_div_wide): Likewise.
12896 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12897 * tree-tailcall.c (eliminate_tailcall): Likewise.
12898 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12899 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12900 * tree-nrv.c (tree_nrv): Likewise.
12901 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12902 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12903 (combine_blocks): Likewise.
12904 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12905 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12906 (cleanup_control_flow): Likewise.
12907 (remove_forwarder_block): Likewise.
12908 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12909 * tree-sra.c (sra_replace): Likewise.
12910 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12911 (forward_propagate_single_use_vars): Likewise.
12912 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12913 * tree-inline.c (expand_call_inline): Likewise.
12914 * tree-vect-transform.c (vect_transform_loop): Likewise.
12915 * tree-outof-ssa.c (rewrite_trees): Likewise.
12916 * tree-cfg.c (make_goto_expr_edges): Likewise.
12917 (cleanup_dead_labels): Likewise.
12918 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12919 (bsi_move_before, bsi_move_after): Likewise.
12920 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12921 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12923 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12926 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12928 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12929 on non gimple variables. Also add checks at the top for decls and
12931 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12933 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12934 and IMAGPART_EXPR for creating MUST_DEFs.
12935 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12936 and NAME_MEMORY_TAG separately from the DECLs.
12938 2006-01-06 Richard Guenther <rguenther@suse.de>
12940 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12941 annotation, if necessary.
12942 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12943 redundant calls to update_stmt.
12944 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12947 2006-01-05 Richard Henderson <rth@redhat.com>
12949 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12951 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12953 * c-typeck.c: Update copyright date.
12955 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12957 * c-typeck.c (build_c_cast): Always warn when casting
12958 from a pointer to an integer of different size, even if
12959 the node was constant.
12961 2006-01-05 Richard Guenther <rguenther@suse.de>
12963 PR tree-optimization/22555
12964 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12965 if one structure field is an array.
12966 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12967 operands even if we found a subvar, but ignore VOPs in this
12969 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12971 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12973 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12975 PR middle-end/24998
12976 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12978 2006-01-05 Richard Guenther <rguenther@suse.de>
12979 Diego Novillo <dnovillo@redhat.com>
12981 * tree-pass.h (TODO_remove_unused_locals): Define.
12982 * gimple-low.c (expand_var_p, remove_useless_vars,
12983 pass_remove_useless_vars): Remove. Update all users.
12984 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12985 (remove_unused_locals): New function.
12986 * tree-flow.h (remove_unused_locals): Declare.
12987 * passes.c (execute_todo): Call remove_unused_locals if
12988 TODO_remove_unused_locals is set.
12989 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12990 * tree-ssa-dce.c (pass_dce): Likewise.
12991 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12993 2006-01-05 Richard Guenther <rguenther@suse.de>
12995 * tree-flow.h (struct fieldoff): Decompose field to
12996 type, size and decl.
12997 * tree-ssa-alias.c (create_sft): Take type as parameter.
12998 (create_overlap_variables_for): Store type, size and decl
12999 in the fieldoff structure.
13000 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13001 of struct fieldoff.
13002 (push_fields_onto_fieldstack): Likewise.
13003 (create_variable_info_for): Likewise. Use offset for the
13004 SFT name if the decl is not available.
13006 2006-01-04 Paul Brook <paul@codesourcery.com>
13008 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13010 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13012 * lambda-code.c (can_put_in_inner_loop): Relax
13014 (can_put_after_inner_loop): New function.
13015 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13016 (perfect_nestify): Change to make copies and modify uses.
13018 2006-01-04 Richard Henderson <rth@redhat.com>
13020 Merge from gomp branch:
13021 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13022 via integer constant.
13023 (pragma_lex): Remove.
13024 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13025 rather than parsing it.
13026 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13027 handle_pragma_extern_prefix): Add %< %> quotes.
13028 (registered_pragmas): New.
13029 (c_register_pragma_1): New.
13030 (c_register_pragma): Use it.
13031 (c_register_pragma_with_expansion): Likewise.
13032 (c_invoke_pragma_handler): New.
13033 (init_pragma): Use cpp_register_deferred_pragma directly for
13035 * c-pragma.h (enum pragma_kind): New.
13036 (pragma_handler): New.
13037 (c_invoke_pragma_handler): Declare.
13038 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13040 * c-common.h (c_common_pch_pragma): Update decl.
13041 * Makefile.in (c-parser.o): Update dependencies.
13042 (GTFILES): Add c-pragma.h.
13043 * c-parser.c (struct c_token): Add pragma_kind.
13044 (struct c_parser): Add in_pragma.
13045 (c_lex_one_token): Always initialize keyword and pragma_kind.
13046 Extract data for CPP_PRAGMA.
13047 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13048 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13049 Don't allow CPP_PRAGMA_EOL if in_pragma.
13050 (c_parser_consume_pragma): New.
13051 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13052 (c_parser_skip_to_end_of_parameter): Likewise.
13053 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13054 (c_parser_skip_to_pragma_eol): New.
13055 (c_parser_external_declaration): Handle CPP_PRAGMA.
13056 (c_parser_compound_statement_nostart): Likewise.
13057 (c_parser_statement_after_labels): Likewise.
13058 (c_parser_pragma): New.
13059 (pragma_lex): Likewise.
13060 (c_parser_pragma_pch_preprocess): New.
13061 (c_parser_new): Merge into ...
13062 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13064 2006-01-04 Jeff Law <law@redhat.com>
13067 * tree-cfg.c (bsi_replace): Remove the original statement
13068 from the EH throw statement table.
13070 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13072 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13073 make the prototype extern "C" and add throw ().
13076 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13077 and pos non-negative and pos + len <= 32.
13078 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13079 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13080 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13083 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13084 as well as sizes not multiple of component size.
13087 * function.c (instantiate_expr): New function.
13088 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13089 walk its DECL_VALUE_EXPR with instantiate_expr.
13091 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13092 DW_OP_deref{,_size} if address isn't going to be added.
13094 2006-01-04 Ben Elliston <bje@au.ibm.com>
13096 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13097 * config/fp-bit.c: Likewise.
13099 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13101 * dominance.c: Add comment about why we use DFS numbering
13104 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13105 Richard Henderson <rth@redhat.com>
13107 Merge from gomp-branch:
13108 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13109 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13111 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13113 PR rtl-optimization/25578
13114 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13115 pass a parameter to simplify_shift_const if changing ASHIFTRT
13118 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13120 * builtins.c (get_builtin_sync_mem): New function.
13121 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13122 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13123 Call get_builtin_sync_mem to generate mem rtx.
13125 2006-01-03 Richard Guenther <rguenther@suse.de>
13128 * stmt.c (add_case_node): Make sure to clear overflow flags
13131 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13133 Merge from gomp-branch.
13134 * config/sparc/sync.md: New file.
13135 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13136 UNSPECV_LDSTUB): New constants.
13137 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13138 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13139 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13142 2006-01-03 Roger Sayle <roger@eyesopen.com>
13144 * combine.c (reg_subword_p): New predicate to test whether the
13145 destination of a set refers to a subword/piece of a register.
13146 (try_combine): Generalize the code to merge the setting of a
13147 pseudo to a constant followed by a set of a subword of that
13148 register to a constant.
13150 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13152 * basic-block.h (control_flow_graph): Change the type of
13153 x_label_to_block_map to VEC(basic_block,gc) *.
13154 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13155 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13157 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13158 VEC(basic_block,heap) *.
13159 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13160 ssa_prop_fini): Adjust the uses of cfg_blocks.
13162 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13164 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13166 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13167 hashing trees instead of a pointer hash.
13168 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13169 compare for MEM_EXPR.
13171 PR rtl-optimization/25130
13172 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13173 when comparing MEMs for GCSE
13175 2006-01-03 Ben Elliston <bje@au.ibm.com>
13177 * targhooks.h (default_decimal_float_supported_p): Declare.
13178 * targhooks.c (default_decimal_float_supported_p): Define.
13179 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13180 `default_decimal_float_supported_p'.
13181 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13183 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13185 * combine.c (apply_distributive_law <SUBREG>): Check
13186 TRULY_NOOP_TRUNCATION.
13188 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13190 * dwarf2out.c (have_switched_text_section): Delete.
13191 (have_multiple_function_sections): New.
13192 (have_location_lists): Make 'bool'.
13193 (add_AT_loc_list): Use 'true' not '1'.
13194 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13195 (output_loc_list): Use have_multiple_function_sections.
13196 (output_ranges): Likewise.
13197 (dwarf2out_begin_function): Set have_multiple_function_sections if
13199 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13200 Check function_section rather than DECL_SECTION_NAME.
13201 (dwarf2out_finish): Use have_multiple_function_sections.
13202 Don't clear have_location_lists.
13204 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13205 Jan Hubicka <jh@suse.cz>
13207 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13208 case of conditional jump jumping to the next instruction.
13209 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13210 cases of conditional jump jumping to the next instruction.
13212 2006-01-02 Jan Hubicka <jh@suse.cz>
13214 * i386.c (*_cost): Add COSTS_N_INSNS.
13215 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13217 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13220 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13222 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13224 * config/arm/arm.c (all_fpus): Fix comment typo.
13225 * config/darwin.c: Likewise.
13226 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13227 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13228 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13230 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13232 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13233 (rs6000_split_compare_and_swapqhi): New.
13234 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13235 (sync_compare_and_swapqhi_internal): New.
13236 * config/rs6000/rs6000-protos.h: Declare.