1 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3 * doc/invoke.texi (sparc-sun-solaris2*): Add GMP version number.
5 2006-07-15 Roger Sayle <roger@eyesopen.com>
7 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8 a new NOP_EXPR case of the switch statement.
10 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
13 * stor-layout.c (place_field): Take the bit field with
14 an excessive size into account in the ms-bitfiled case.
17 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
18 the previous bit field.
20 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
23 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
25 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
27 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
28 signal frames correctly even when the signal was installed with
31 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
34 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
35 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
36 (dbxout_source_line): Use local label LFBB.
37 (dbxout_block): Likewise.
38 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
39 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
40 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
43 2006-07-13 Janis Johnson <janis187@us.ibm.com>
45 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
47 2006-07-13 Jan Hubicka <jh@suse.cz>
49 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
51 * output.h (align_variable): Declare.
52 * varasm.c (align_variable): Export.
53 * value-prof.c (tree_value_profile_transformations): Recompute iterator
54 when basic block changed.
56 2006-07-13 Nick Clifton <nickc@redhat.com>
58 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
59 walking the LOG_LINKS chain.
61 2006-07-12 Geoffrey Keating <geoffk@apple.com>
63 * doc/invoke.texi (C++ Dialect Options): Explain difference
64 between -fvisibility-inlines-hidden and setting hidden
65 visibility explicitly.
67 2006-07-12 Eric Christopher <echristo@apple.com>
69 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
70 (stmp-lipo): Depend on libgcc.a.
72 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
74 * tree.c: Fix a comment typo.
76 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
78 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
80 (umulhisi3_r): Likewise.
82 2006-07-12 Paolo Carlini <pcarlini@suse.de>
85 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
86 x < 19, vs wchar_t support.
88 2006-07-12 Nick Clifton <nickc@redhat.com>
90 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
93 2006-07-12 Mike Stump <mrs@apple.com>
95 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
97 2006-07-10 Eric Christopher <echristo@apple.com>
99 * config/t-slibgcc-darwin: Rewrite.
101 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
104 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
107 2006-07-08 Matthias Klose <doko@debian.org>
109 * doc/sourcebuild.texi: Fix typo.
111 2006-07-07 Mike Stump <mrs@apple.com>
113 * toplev.c (process_options): Don't give -ffunction-sections may
114 affect debugging warning for Mach-O.
116 2006-07-07 James E Wilson <wilson@specifix.com>
118 * config/mips/mips.md (cpu): Add sb1a.
119 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
120 addition to sb1. Adjust comments to clarify SB-1A differences from
122 (ir_sb1a_load): New. Modify bypasses to use it.
123 (ir_sb1a_simple_alu): Likewise.
124 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
125 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
126 (mips_issue_rate): Add PROCESSOR_SB1A.
127 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
128 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
129 (TARGET_SB1): Add PROCESSOR_SB1A check.
130 (TUNE_SB1): Likewise.
132 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
133 * config/mips/mips.c (mips_store_data_bypass_p): New.
134 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
137 2006-07-08 Paul Brook <paul@codesourcery.com>
140 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
142 2006-07-07 Richard Guenther <rguenther@suse.de>
145 * tree.h (build_one_cst): Declare.
146 * tree.c (build_one_cst): New function.
147 * tree-ssa-math-opts.c (get_constant_one): Remove.
148 (insert_reciprocals): Use build_one_cst.
149 * fold-const.c (fold_plusminus_mult): Likewise.
151 2006-07-07 Roger Sayle <roger@eyesopen.com>
153 * pointer-set.c (pointer_set_destroy): Correct whitespace.
154 * cfgloopanal.c (dump_graph): Likewise.
155 * dojump.c (discard_pending_stack_adjust): Likewise.
156 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
158 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
159 * function.c (finalize_block_changes): Likewise.
160 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
161 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
162 * rtl.c (dump_rtx_statistics): Likewise.
163 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
165 * varray.c (dump_varray_statistics): Likewise.
166 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
167 decode_decimal64, encode_decimal128, decode_decimal128,
168 decimal_real_to_decimal): Likewise.
170 2006-07-07 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/28187
173 * tree-vrp.c (vrp_operand_equal_p): New function.
174 (vrp_bitmap_equal_p): Likewise.
175 (update_value_range): Use them to compare old and new
178 2006-07-06 Roger Sayle <roger@eyesopen.com>
180 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
181 a default case to switch statement to silence compiler warnings.
183 2006-07-06 Roger Sayle <roger@eyesopen.com>
186 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
187 the configured assembler supports the x87's ffreep mnemonic.
188 * configure: Regenerate.
189 * config.in: Regenerate.
191 * config/i386/i386.c (output_387_ffreep): New function.
192 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
193 (output_387_reg_move): Likewise.
195 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
197 Port to hosts whose 'sort' and 'tail' implementations
198 treat operands with leading '+' as file names, as POSIX
199 has required since 2001. However, make sure the code still
200 works on pre-POSIX hosts.
201 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
202 which says you should use "tail -c +N" rather than "tail +Nc".
203 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
205 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
207 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
210 2006-07-06 David Edelsohn <edelsohn@gnu.org>
213 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
214 PRE_{INC,DEC} of TFmode.
216 2006-07-06 David Edelsohn <edelsohn@gnu.org>
217 Alan Modra <amodra@bigpond.net.au>
220 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
223 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
226 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
227 Remove duplicate gtu.
229 2006-07-05 Jason Merrill <jason@redhat.com>
233 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
234 * c-common.c (handle_packed_attribute): So don't copy it here.
235 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
237 2006-07-05 Mike Stump <mrs@apple.com>
239 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
241 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
244 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
246 2006-07-05 Richard Guenther <rguenther@suse.de>
249 * config/i386/i386.md (*negdf2_1): Restrict pattern to
250 TARGET_SSE2 targets if using SSE math.
251 (*absdf2_1): Likewise.
253 2006-07-05 Richard Guenther <rguenther@suse.de>
255 PR tree-optimization/28162
256 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
257 make sure to convert the operands to the correct type.
259 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
261 PR tree-optimization/28218
263 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
264 to calculate and free the dominator information.
266 2006-07-04 Peter O'Gorman <peter@pogma.com>
268 * mklibgcc.in: chmod 644 before ranlib during install.
270 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
271 J"orn Rennecke <joern.rennecke@st.com>
273 * configure.ac (.eh_frame data check): Use diff -b.
275 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
278 * Makefile.in (BUILD_RTL): Add build/vec.o.
279 (build/gencondmd.o): Filter out -fkeep-inline-functions.
280 (build/genextract): Delete.
281 (build/genautomata): Likewise.
283 2006-07-04 Alan Modra <amodra@bigpond.net.au>
286 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
287 128-bit IBM long doubles for ABI_V4.
289 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
291 * tree.c (range_in_array_bounds_p): New predicate.
292 * tree.h (range_in_array_bounds_p): Declare it.
293 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
294 return a less conservative answer.
295 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
297 (IS_ELEMENT_FOR_GROUP): New macro.
298 (FOR_EACH_ACTUAL_CHILD): Likewise.
299 (next_child_for_group): New helper function.
300 (can_completely_scalarize_p): Take into account groups.
301 (sra_hash_tree): Handle RANGE_EXPR.
302 (sra_elt_eq): Likewise.
303 (lookup_element): Be prepared for handling groups.
304 (is_valid_const_index): Delete.
305 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
306 instead of is_valid_const_index.
307 <ARRAY_RANGE_REF>: New case.
308 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
309 is_valid_const_index.
310 <ARRAY_RANGE_REF>: Do not unconditionally punt.
311 (scan_dump): Dump info for groups too.
312 (decide_instantiation_1): Likewise.
313 (decide_block_copy): Assert that the element is not a group.
314 Propagate decision to groups.
315 (generate_one_element_ref): Handle RANGE_EXPR.
316 (mark_no_warning): Iterate over actual childs.
317 (generate_copy_inout): Likewise.
318 (generate_element_copy): Likewise.
319 (generate_element_zero): Likewise.
320 (generate_element_init_1): Likewise.
321 (dump_sra_elt_name): Handle RANGE_EXPR.
323 2006-07-03 Roger Sayle <roger@eyesopen.com>
325 PR tree-optimization/26251
326 * tree-ssa-threadupdate.c (redirection_block_p): New function.
327 (thread_block): When optimizing for size refuse to thread jumps
328 that would require duplication of blocks other than redirection
331 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
333 * configure.ac: Fix thinko in previous check-in.
334 * configure: Regenerate.
336 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
339 * configure.ac (for lang...): Simplify nesting of conditionals.
340 Test subdir_requires for non-enabled languages. Move processing
341 of lang_opt_files and lang_tree_fiels below that test.
342 * configure: Regenerate.
343 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
345 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
347 * doc/gcov.texi (Invoking Gcov): Add a missing word.
349 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
351 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
354 2006-06-29 Jason Merrill <jason@redhat.com>
361 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
362 * c-common.c (c_determine_visibility): Handle it here.
363 * c-decl.c (finish_decl): Call c_determine_visibility for
365 * flags.h (enum symbol_visibility): Sort from most to least visibility.
367 * varasm.c (default_assemble_visibility): Likewise.
368 * c-common.c (handle_visibility_attribute): Complain about trying
369 to give visibility to an already defined class, or trying to change
370 declared visibility. Always attach the attribute.
375 * attribs.c (decl_attributes): Ignore type-in-place attributes
376 once the type has been defined.
378 2006-06-29 Roger Sayle <roger@eyesopen.com>
381 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
382 to indicate the cpplib has issued an error message for us.
384 2006-06-29 Asher Langton <langton2@llnl.gov>
387 * config/i386/i386.c (ix86_output_function_epilogue): Don't
388 insert a label at the end of an function under Mach-O.
390 2006-06-29 Eric Christopher <echristo@apple.com>
391 Evan Cheng <evan.cheng@apple.com>
393 * predicates.md (vector_all_ones_operand): New.
394 (nonimmediate_or_sse_const_operand): Ditto.
395 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
396 * config/i386/i386.c (standard_sse_constant_opcode): Define.
397 (standard_sse_mode_p): Ditto.
398 (standard_sse_constant_p): Add case for -1 vector.
399 (ix86_expand_vector_move): Try to use.
400 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
401 Call standard_sse_constant_opcode.
402 (*movv4sf_internal): Ditto.
403 (*movv2df_internal): Ditto.
405 2006-06-29 Roger Sayle <roger@eyesopen.com>
407 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
408 of XEXP to extract the operands of a MATCH_CODE rtx.
410 2006-06-28 Andrew Pinski <pinskia@gmail.com>
412 * tree.c (tree_size): Do not waste tail padding in
413 struct tree_string and make the size be the same as
414 build_string will generate.
416 2006-06-28 Jason Merrill <jason@redhat.com>
419 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
420 may_aliases already in the tag's annotations to the bitmap.
422 2006-06-28 Roger Sayle <roger@eyesopen.com>
424 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
426 2006-06-28 Roger Sayle <roger@eyesopen.com>
428 * genpreds.c (generate_switch_p): New function.
429 (add_mode_tests): Push the new mode test down inside an AND expr
430 if this allows the switch-suitable MATCH_CODE to be near the root.
431 (write_match_code_switch): New function to write a MATCH_CODE as
433 (write_predicate_stmts): New function to write a predicate RTX
434 expression as a sequence of statements.
435 (write_one_predicate_function): Use write_predicate_stmts.
436 (write_tm_constrs_h): Likewise.
438 2006-06-26 Fred Fish <fnf@specifix.com>
440 * config/mips/t-sb1: New file.
441 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
444 2006-06-26 DJ Delorie <dj@redhat.com>
446 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
448 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
449 Jayant Sonar <jayants@kpitcummins.com>
450 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
452 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
453 (subsi3, subsi3_1, subsi3_2): New.
454 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
455 * config/m32c/mov.md (SI mov peephole): New.
456 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
457 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
459 2006-06-26 Olivier Hainque <hainque@adacore.com>
461 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
462 a CALL_EXPR target function declaration.
464 2006-06-26 Richard Guenther <rguenther@suse.de>
466 * tree.c (build_string): Do not waste tail padding in
469 2006-06-26 Richard Guenther <rguenther@suse.de>
471 * ggc-page.c (init_ggc): Add missing element to size_lookup
475 2006-06-23 Richard Guenther <rguenther@suse.de>
477 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
478 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
479 alignment requests instead. Add verification code.
480 Add struct tree_function_decl and struct tree_binfo size to
481 extra_order_size_table. Add missing element to size_lookup
484 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
487 * fold-const.c (const_binop): Be prepared for self returning zero.
488 Simplify code handling complex values.
490 2006-06-24 Olivier Hainque <hainque@adacore.com>
492 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
493 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
496 2006-06-24 Olivier Hainque <hainque@adacore.com>
498 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
499 ARRAY_REF, so have the callback called for the low bound expression.
501 2006-06-23 Janis Johnson <janis187@us.ibm.com>
503 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
504 * c-typeck.c (c_common_type): Disallow operations on decimal float
505 types and other float types.
506 * convert.c (convert_to_real): Don't ignore conversions involving
509 2006-06-23 Olivier Hainque <hainque@adacore.com>
511 * tree.c (max_int_size_in_bytes): New function, inspired from
512 code in function.c:assign_temp.
513 * tree.h (max_int_size_in_bytes): Declare.
514 * function.c (assign_temp): Use it.
515 * gimplify.c (create_tmp_var): Relax the assertions on the type
516 properties, not mandating constant size any more.
517 (force_constant_size): New static function.
518 (gimple_add_tmp_var): Use it, forcing variable size to a
519 constant upper bound if it is not constant on entry.
521 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
524 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
525 for initialization and setting of one_only flag to ...
526 (i386_pe_encode_section_info): ...here.
527 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
528 Recheck that the symbol has not been defined.
530 2006-06-23 Richard Guenther <rguenther@suse.de>
532 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
533 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
534 alignment requests instead. Add verification code.
535 Add struct tree_function_decl and struct tree_binfo size to
536 extra_order_size_table. Add missing element to size_lookup
539 2006-06-22 Roger Sayle <roger@eyesopen.com>
540 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
543 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
544 call to lang_hooks.types.type_for_mode returned NULL_TREE.
546 2006-06-23 Ben Elliston <bje@au.ibm.com>
548 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
549 negate dn -- manipulate it directly.
551 2006-06-22 Roger Sayle <roger@eyesopen.com>
552 Steven Bosscher <stevenb.gcc@gmail.com>
555 * reload1.c (gen_reload): Call mark_jump_label on the new insns
556 generated by gen_move_insn to add REG_LABEL notes if necessary.
558 2006-06-22 Bob Wilson <bob.wilson@acm.org>
560 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
561 (leaf_entry): Remove use of MIN_ESA.
563 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
565 PR rtl-optimization/28121
566 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
569 2006-06-21 DJ Delorie <dj@redhat.com>
571 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
573 (mulhisi3_r): Likewise.
575 2006-06-21 Richard Sandiford <richard@codesourcery.com>
578 * coverage.c (coverage_counter_alloc): Leave the index type
580 (coverage_counter_alloc): Use null arguments for operands 2 and 3
583 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
585 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
586 section from the "Options for Code Generation Conventions".
588 2006-06-21 Richard Henderson <rth@redhat.com>
592 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
594 (global_symbolic_operand): Allow weak symbols, even if local_p.
596 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
598 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
599 (find_interesting_uses_address): Punt if above function returns true.
601 2006-06-21 Richard Guenther <rguenther@suse.de>
603 * configure: Regenerated.
605 2006-06-21 Joseph Myers <joseph@codesourcery.com>
607 * config/mips/mips.c (function_arg): Where one part of a
608 complex argument is in registers and the other part in the stack,
609 return a REG not a PARALLEL.
611 2006-06-21 Mark Mitchell <mark@codesourcery.com>
613 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
614 when cross-compiling. Do not substitute libstdcxx_incdir.
615 * configure: Regenerated.
617 2006-06-21 Jakub Jelinek <jakub@redhat.com>
619 * varasm.c (mergeable_string_section): Check for embedded NULs and
620 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
621 rather than TREE_STRING_LENGTH bytes.
623 2006-06-21 Richard Guenther <rguenther@suse.de>
625 * ggc-page.c (extra_order_size_table): Add var_ann_d,
626 tree_ssa_name, bitmap_element and phi_node with 4 arguments
629 2006-06-21 Richrad Guenther <rguenther@suse.de>
631 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
632 Limit iteration over the dominators.
634 2006-06-20 Roger Sayle <roger@eyesopen.com>
636 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
637 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
639 2006-06-20 Richard Guenther <rguenther@suse.de>
640 Michael Matz <matz@suse.de>
642 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
644 * alloc-pool.c (free_alloc_pool_if_empty): New function.
645 * et-forest.h (et_free_pools): Prototype new function.
646 * et-forest.c (et_free_tree_force): Free parent occurrence.
647 (et_free_pools): New function.
648 * dominance.c (free_dominance_info): Free et-forest alloc
651 2006-06-20 Roger Sayle <roger@eyesopen.com>
653 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
654 integer modes, attempt to directly construct an integer constant.
656 * fold-const.c (native_encode_vector): Determine the size of each
657 element from the vector type instead of the first vector element.
659 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
660 if all of its elements/components are constant.
661 (build_constructor_from_list): Likewise.
663 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
665 PR tree-optimization/27331
666 * tree-data-ref.c (free_data_ref): New function.
667 (create_data_ref): Fail if the data reference has unknown access
669 (free_data_refs): Use free_data_ref.
671 2006-06-19 Andrew Pinski <pinskia@gmail.com>
674 * tree-inline.c (setup_one_parameter): Strip useless
675 type conversion before adding it to the IR.
676 (declare_return_variable): Likewise.
678 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
681 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
683 2006-06-19 Mike Stump <mrs@apple.com>
685 * tree.c (variably_modified_type_p): VM arguments don't make the
688 2006-06-19 Richard Guenther <rguenther@suse.de>
690 * tree-ssa-pre.c (try_combine_conversion): Strip useless
691 type conversions after folding.
693 2006-06-19 Richard Guenther <rguenther@suse.de>
695 * ggc-page.c (extra_order_size_tab): Add entries with
696 size of struct function and basic_block.
697 (size_lookup): Extend to cover sizes up to 511.
698 (ggc_alloc_stat): Adjust user.
699 (ggc_pch_count_object): Likewise.
700 (ggc_pch_alloc_object): Likewise.
701 (ggc_pch_write_object): Likewise.
703 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
705 * tree-ssa-loop-niter.c (implies_ge_p): New function.
706 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
709 2006-06-19 Denis Chertykov <denisc@overta.ru>
711 * config/avr/libgcc.S : Correct my wrong previous commit.
713 2006-06-19 Roger Sayle <roger@eyesopen.com>
716 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
717 have stripped a SUBREG from the shift count, so we may need to
718 convert_to_mode back to the type's mode before calling make_tree.
719 Use new_amount instead of amount to avoid expanding a tree twice.
721 2006-06-19 Richard Guenther <rguenther@suse.de>
724 * fold-const.c (operand_equal_p): Check if the argument types
725 have the same precision before stripping NOPs.
727 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
729 Fix PR tree-optimization/27341
730 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
732 * tree-complex.c (pass_lower_complex): Update SMT usage.
734 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
736 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
737 Add a new alternative to the constraint strings. Add move of
738 operand 1 to 3 to the splitter definition.
739 ("doloop_si_long"): Second contraint alternative removed.
741 2006-06-08 Anatoly Sokolov <aesok@post.ru>
743 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
744 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
746 (AVR_HAVE_MOVW) Define.
747 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
748 (ASM_SPEC): Add avr25.
749 (LINK_SPEC): Add avr25.
750 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
751 (base_arch_s): Add new member 'have_movw_lpmx'.
752 (avr_arch_types): Init 'have_movw_lpmx'.
753 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
754 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
755 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
756 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
757 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
759 (avr_file_start): Do not output '.arh' derective.
760 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
761 (__do_copy_data): Use __AVR_HAVE_LPMX__.
762 * config/avr/avr.md (mcu_enhanced): Delete.
763 (mcu_have_movw): Define.
764 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
765 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
766 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
767 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
768 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
769 attiny861 and at86rf401 devices.
771 2006-06-18 Jie Zhang <jie.zhang@analog.com>
773 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
776 2006-06-17 Karl Berry <karl@gnu.org>
778 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
779 doc/gccint.texi, doc/install.texi (@dircategory): Use
780 "Software development" instead of "Programming", following
781 the Free Software Directory.
783 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
785 * config/i386/i386.c (legitimate_tls_address)
786 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
787 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
788 (*tls_dynamic_gnu2_combine_64): Likewise.
790 2006-06-16 Richard Guenther <rguenther@suse.de>
793 * fold-const.c (negate_expr_p): Do not introduce undefined
794 overflow in negating INTEGER_CSTs.
795 (fold_negate_expr): Rename from negate_expr. Revert last
796 change for folding BIT_NOT_EXPR. Change semantics to
797 return NULL_TREE for non-simplified negations. Do not
798 strip type conversions and unify type handling.
799 (negate_expr): New function, wrap around fold_negate_expr
800 but ensure building a tree always. Strip type conversions
801 here, fold to result type.
802 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
804 2006-06-16 Roger Sayle <roger@eyesopen.com>
807 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
808 that (would) return their results in stack registers.
810 2006-06-16 Michael Matz <matz@suse.de>
811 Richard Guenther <rguenther@suse.de>
813 * fold-const.c (fold_truthop): Only return new tree node if
814 we canonicalized something.
816 2006-06-16 Richard Guenther <rguenther@suse.de>
818 * function.h (enum function_frequency): Move declaration
819 out of struct function.
820 (struct function): Move bool fields and the enum to the bitfield
821 section. Reorder elements to avoid padding. Remove unused
822 fields left over from the RTL inliner removal.
823 * function.c (free_after_compilation): Do not zero removed fields.
824 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
825 (ipa-type-escape.o): Likewise.
827 2006-06-16 Richard Guenther <rguenther@suse.de>
829 * cgraph.h (struct cgraph_local_info): Turn bool elements
831 (struct cgraph_node): Likewise.
832 (struct cgraph_varpool_node): Likewise.
834 2006-06-15 Richard Guenther <rguenther@suse.de>
836 * fold-const.c (fold_truth_not_expr): Rename from
837 invert_truthvalue. Give it fold_* semantics to avoid
839 (invert_truthvalue): New function. Wrapper around
841 (optimize_minmax_comparison): Avoid creating garbage.
842 (fold_unary): Use fold_truth_not_expr for folding
844 (fold_ternary): Replace uses of invert_truthvalue with
845 fold_truth_not_expr where applicable.
846 * tree.h (fold_truth_not_expr): Prototype.
848 2006-06-16 Richard Guenther <rguenther@suse.de>
850 PR tree-optimization/27781
851 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
852 * ipa-pure-const.c (target.h): Include.
853 (analyze_function): Do not analyze functions that do not
856 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
859 * tree-dfa.c (referenced_vars_dup_list): Remove.
860 (find_referenced_vars): Remove assert.
861 (referenced_var_check_and_insert): Replace dup list with assert.
862 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
863 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
865 2006-06-15 Richard Guenther <rguenther@suse.de>
867 * tree-ssa-structalias.c (alias_get_name): Avoid creating
868 extra unused identifiers if not dumping.
869 (create_variable_info_for): Likewise.
871 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
873 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
874 (derive_constant_upper_bound): Derive more precise upper bound in
875 common cases. Return type changed to double_int.
876 (record_estimate): Reflect the changed return type of
877 derive_constant_upper_bound.
878 * double-int.c (double_int_zext, double_int_sext): Fix.
880 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
882 * configure.ac (CFLAGS): Get them from the toplevel or from the
883 configure invocation.
884 * configure: Regenerate.
885 * Makefile.in (CFLAGS): Substitute value provided by configure.
887 2006-06-14 Mark Mitchell <mark@codesourcery.com>
890 * c-common.h (c_finish_omp_atomic): Adjust declaration.
891 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
892 rather than calling add_stmt on it.
893 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
895 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
898 * reload1.c (reload): Remove registers returned by update_eliminables
899 from used_spill_regs.
901 2006-06-13 DJ Delorie <dj@redhat.com>
903 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
905 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
907 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
908 html__strip_dir, html__mkdir_p. Enhance install-html target.
909 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
910 * configure: Regenerate.
912 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
914 * fold-const.c (fold_cond_expr_with_comparison): Check for
915 Objective-C++ as language in deciding COND_EXPR transformation.
917 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
920 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
921 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
922 * config/sh/lib1funcs.h (SL, SL1): Define.
923 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
924 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
925 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
926 (OBJS_Os_4_200): New variable.
927 ($(T)libgcc-Os-4-200.a): Use it.
928 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
929 when dividing 1 and/or by 0.
931 2006-06-13 Roger Sayle <roger@eyesopen.com>
933 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
934 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
935 * configure: Regenerate.
937 2006-06-13 Jie Zhang <jie.zhang@analog.com>
939 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
940 for real instruction.
942 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
945 * haifa-sched.c (check_cfg): Handle special case.
947 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
950 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
951 Add debug_info parameter. Chain the vars to the BLOCK instead
952 of the BIND_EXPR if debug info are requested for them.
953 (pop_gimplify_context): Adjust for above change.
954 (gimple_add_tmp_var): Likewise.
955 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
957 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
958 (convert_local_reference): Likewise.
959 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
960 (finalize_nesting_tree_1): Request that debug info be emitted
963 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
965 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
968 2006-06-13 Richard Guenther <rguenther@suse.de>
971 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
973 2006-06-13 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/27830
976 * tree-inline.c (copy_body_r): For copying the operand
977 of an ADDR_EXPR make sure to fold &* afterwards.
979 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
981 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
982 lvalues in the fb_none case with side-effects.
984 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
986 * tree-flow.h: Remove the prototype for
987 compute_phi_arg_on_exit.
988 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
989 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
992 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
994 * builtins.c (expand_builtin_return_addr): Only use
995 frame_pointer_rtx when count == 0 and we are expanding
996 __builtin_return_address.
998 2006-06-12 Fred Fish <fnf@specifix.com>
1000 * config/mips/mips.c (mips_file_start): Create special section
1001 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1003 2006-06-11 Eric Christopher <echristo@apple.com>
1006 * stor-layout.c (place_field): Remove check for
1007 remaining_in_alignment when aligning at the end of a run.
1009 2006-06-11 Eric Christopher <echristo@apple.com>
1012 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1015 2006-06-11 Roger Sayle <roger@eyesopen.com>
1018 Revert incorrect fix for PR target/27158
1019 2006-05-08 Roger Sayle <roger@eyesopen.com>
1020 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1021 of a reg_equiv_constant if the result is a legitimate constant.
1023 2006-06-11 Roger Sayle <roger@eyesopen.com>
1026 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1027 extract a CONST_VECTOR element and interpret it as an integer.
1028 (vspltis_constant): Use const_vector_elt_as_int instead of the
1029 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1030 * config/rs6000/predicates.md (easy_vector_const): Consider
1031 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1033 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1036 * stor-layout.c (update_alignment_for_field): Don't add extra
1037 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1040 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1042 * config/mips/t-rtems: Add EL/EB multilib variants.
1044 2006-06-09 Mike Stump <mrs@apple.com>
1046 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1048 2006-06-09 David Daney <ddaney@avtrex.com>
1050 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1052 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1054 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1056 2006-06-09 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/26998
1059 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1060 of signed types, only TYPE_MIN_VALUE is special, but for both,
1061 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1062 in this case, as is -fwrapv.
1064 2006-06-08 Mike Stump <mrs@apple.com>
1067 * config/darwin.c (darwin_asm_output_anchor): Disable
1068 -fsection-anchors on darwin for now.
1069 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1070 * rs6000/rs6000.c (optimization_options): Likewise.
1072 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1075 * config/i386/i386.c (classify_argument): Skip fields with invalid
1078 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1080 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1081 (cse_insn): Likewise for the stack_pointer_rtx.
1083 2006-06-08 Roger Sayle <roger@eyesopen.com>
1085 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1086 conditions from floating point comparisons.
1088 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1091 * expmed.c (struct alg_hash_entry): Fix type of field T
1092 to match synth_mult argument.
1093 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1095 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1098 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1101 2006-06-08 Richard Guenther <rguenther@suse.de>
1104 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1105 only, if overflow is defined and not trapping.
1106 (negate_expr): Likewise.
1108 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1110 PR tree-optimization/27872
1111 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1112 flag on the new exit edge of the unrolled loop.
1114 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1116 PR rtl-optimization/26449
1117 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1119 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1122 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1123 referenced_variables with matching DECL_UID's.
1124 (find_referenced_vars): Make sure duplicate list is empty to start.
1125 (referenced_var_p): Remove.
1126 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1127 Check if var is in the list, and add if needed. Update the duplicate
1128 list if a different var is in the list with the same DECL_UID.
1129 (add_referenced_var): Call routine to check and insert.
1130 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1131 * tree-flow.h (referenced_vars_dup_list): External declaration.
1133 2006-06-07 Fred Fish <fnf@specifix.com>
1135 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1138 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1141 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1142 the imaginary and real parts of a clobbered register.
1143 Emit insn to set the imaginary part.
1145 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1147 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1148 in lieu of unwind-dw2-fde.c.
1150 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1152 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1154 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1157 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1158 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1159 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1160 V4SImode temporaries and operations instead.
1162 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1164 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1167 2006-06-06 Mike Stump <mrs@apple.com>
1169 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1170 installing during build.
1172 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1174 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1176 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1177 * config/ia64/ia64.c (params.h): New header.
1178 (ia64_optimization_options): New function to adjust parameters.
1179 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1180 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1181 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1183 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1185 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1187 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1190 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1192 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1193 Victor Kaplansky <victork@il.ibm.com>
1195 PR tree-optimization/26360
1196 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1199 2006-06-04 Roger Sayle <roger@eyesopen.com>
1200 Andrew Pinski <pinskia@physics.uc.edu>
1203 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1204 for LABEL_DECL before calling DECL_WEAK.
1207 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1208 LABEL_DECL and PARM_DECL.
1210 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1214 * c-decl.c (grokdeclarator): Disallow variably modified types at
1215 file scope. Avoid marking shared array type of constant size as
1218 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1221 * c-common.c (fold_offsetof_1): Handle static members.
1223 2006-06-04 Eric Christopher <echristo@apple.com>
1225 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1226 (debug_rli): Output value for remaining_in_alignment.
1227 (update_alignment_for_field): Unconditionalize
1228 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1229 extra alignment code.
1230 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1231 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1232 * tree.h (record_layout_info_s): Remove prev_packed.
1233 * doc/extend.texi (ms_struct): Add documentation of format.
1235 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1237 * tree.h: Declare folding_initializer.
1238 * builtins.c (fold_builtin_constant_p): Give definite answer
1239 if folding inside an initializer.
1240 * fold-const.c: Define folding_initializer.
1241 (START_FOLD_INIT): Save and then set folding_initializer.
1242 (END_FOLD_INIT): Restore folding_initializer.
1244 2006-06-04 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/27039
1247 * fold-const.c (fold_comparison): Handle pointer comparison
1248 again for all comparison codes. Compare offsets in signed
1250 (fold_binary): Move code from here.
1252 2006-06-03 Roger Sayle <roger@eyesopen.com>
1255 * config/i386/i386.c (construct_container): Split static issued_error
1256 flag into issued_sse_arg_error, issued_sse_ret_error and
1257 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1258 requires the use of x87 registers and the user explicitly
1259 specified the -mno-80387 command line option.
1261 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1263 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1264 HAVE_DECL_SIGALTSTACK.
1266 (segv_handler): Use MC_FLD.
1267 * configure.ac: Check for a sigaltstack declaration.
1268 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1269 * configure: Regenerate.
1270 * config.in: Regenerate.
1272 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1275 * Makefile.in (stmp-fixinc): Fix typo.
1277 2006-06-02 Roger Sayle <roger@eyesopen.com>
1279 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1280 are type correct. Clean-up.
1281 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1282 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1284 2006-06-01 DJ Delorie <dj@redhat.com>
1286 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1287 shift, as we've disabled the "switch" insn that needs it.
1289 2006-06-01 Per Bothner <bothner@bothner.com>
1291 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1292 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1293 * c-ppoutput.c (cb_define): Don't increment line 0.
1295 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1297 * doc/invoke.texi: Add cpu_type power6.
1298 * config.gcc: Add cpu_type power6.
1299 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1300 to power5+ with Altivec.
1301 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1302 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1304 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1306 * config/avr/avr.h (SET_ASM_OP): Define.
1308 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1310 * config/bfin/bfin.c: Fix comment typos.
1312 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1315 * doc/install.texi: Document --enable-bootstrap and
1316 --disable-bootstrap.
1318 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1320 * doc/install.texi: Document that InfoZIP can replace jar.
1322 2006-05-31 Roger Sayle <roger@eyesopen.com>
1324 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1325 isn't available, directly generate the simpler x87 patterns without
1326 the (use (const_int 0)).
1327 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1328 implementation isn't available.
1329 (*negdf2_1): Likewise.
1330 (*negxf2_1): XF mode negation is always done using the x87.
1331 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1333 2006-05-31 Roger Sayle <roger@eyesopen.com>
1335 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1336 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1338 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1340 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1342 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1343 * config/bfin/bfin.c (basic-block.h): Include.
1344 (struct machine_function): New.
1345 (bfin_init_machine_status): New.
1346 (override_options): Initialize init_machine_status.
1347 (bfin_hardware_loop): New.
1348 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1349 (DEF_VEC_P (loop_info)): New.
1350 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1351 (struct loop_info): New.
1352 (loop_info): New typedef.
1353 (struct loop_work): New.
1354 (loop_work): New typedef.
1355 (DEF_VEC_O (loop_work)): New.
1356 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1357 (bfin_dump_loops): New.
1358 (bfin_bb_in_loop): New.
1359 (bfin_scan_loop): New.
1360 (bfin_optimize_loop): New.
1361 (bfin_reorg_loops): New.
1362 (bfin_reorg): Use bfin_reorg_loops.
1363 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1365 (I_REGNO_P): Simplify.
1366 (DP_REGNO_P, DPREG_P): New macros.
1367 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1368 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1369 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1370 Add LT_REGS, LC_REGS, LB_REGS.
1371 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1373 (REGNO_REG_CLASS): Deal with loop registers.
1374 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1376 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1377 New constants for loop registers.
1378 (UNSPEC_LSETUP_END): New.
1379 (seq_insns): New define_attr. Set it for appropriate insns.
1380 (movsi_insn): Add alternatives for move from/to
1381 loop count registers.
1382 (doloop_end): New define_expand.
1383 (loop_end): New define_insn.
1384 (define_split for bad doloop_end): New.
1385 (lsetup_with_autoinit): New define_insn.
1386 (lsetup_without_autoinit): New define_insn.
1387 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1388 * config/bfin/predicates.md (lc_register_operand): New.
1389 (lt_register_operand): New.
1390 (lb_register_operand): New.
1391 (nondp_register_operand): New.
1392 (nondp_reg_or_memory_operand): New.
1393 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1395 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1397 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1398 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1400 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1402 * Makefile.in (CATALOGS): Add po/ prefix.
1403 * configure: Regenerated.
1405 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1408 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1409 a shift operand before calling shift_op. Avoid redundant call of
1412 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1413 DJ Delorie <dj@redhat.com>
1415 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1416 we're inserting is a singlt-bit constant.
1418 2006-05-30 Roger Sayle <roger@eyesopen.com>
1420 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1421 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1423 2006-05-30 Roger Sayle <roger@eyesopen.com>
1425 PR tree-optimization/23452
1426 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1427 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1428 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1429 complex values and with -ffast-math for FP complex values.
1431 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1433 * c-common.h: Remove the prototype for yyparse.
1434 * rtl.h: Remove the prototype for init_loop.
1436 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1438 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1441 2006-05-30 Roger Sayle <roger@eyesopen.com>
1443 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1445 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1446 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1448 2006-05-30 Dirk Mueller <dmueller@suse.de>
1451 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1452 for CONSTANT_CLASS_P expresisons.
1454 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1457 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1459 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1461 PR tree-optimization/27779
1462 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1463 initial_condition instead of CHREC_LEFT.
1465 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1467 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1468 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1469 Make prototypes ISO C90.
1471 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1472 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1474 * see.c (see_analyze_one_def): Correct check.
1475 (see_get_extension_data): Check if extension is parallel.
1476 (see_get_extension_reg): Likewise.
1478 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1481 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1482 into register for (code == GTU).
1484 2006-05-29 Roger Sayle <roger@eyesopen.com>
1486 PR tree-optimization/24964
1487 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1488 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1489 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1490 abs(x)*abs(x) as x*x for scalar floating point modes.
1492 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1495 * lambda-code.c (perfect_nestify): Don't copy statements
1496 in the inner loop: move them to the inner loop header.
1498 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1501 * c-tree.texi: Document OpenMP directives and clauses.
1503 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1505 * varasm.c (globalize_decl): Fix indentation.
1507 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1510 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1511 pass_fre, pass_store_ccp, pass_copy_prop,
1512 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1513 pass_return_slot, pass_object_size, pass_lim,
1514 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1515 pass_loop_prefetch and pass_stdarg.
1517 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1519 * config/bfin/bfin.opt (mfdpic): New option.
1520 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1521 (EXTRA_MULTILIB_PARTS): Likewise.
1522 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1523 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1525 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1526 (CRT_CALL_STATIC_FUNCTION): New.
1527 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1529 (CRT_CALL_STATIC_FUNCTION): New.
1530 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1532 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1533 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1534 (initialize_trampoline): Changed to handle FD-PIC code generation.
1535 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1536 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1537 (override_options): Disallow -mid-shared-library -mfdpic combination.
1538 Can't do unaligned ops if FD-PIC.
1539 Turn off flag_pic if trying to generate non-id-shared-library
1540 non-fdpic code, since it's not supported.
1541 (bfin_assemble_integer): New function.
1542 (TARGET_ASM_INTEGER): Define.
1543 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1545 * config/bfin/crtn.s: Restore them.
1546 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1548 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1549 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1550 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1551 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1552 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1554 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1555 FDPIC_REGS and FDPIC_FPTR_REGS.
1556 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1557 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1558 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1559 (load_funcdescsi): New pattern.
1560 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1561 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1562 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1564 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1566 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1569 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1571 * tree-flow.h: Remove the prototype for add_type_alias.
1572 * tree-ssa-alias.c (add_type_alias): Remove.
1574 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1576 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1577 config/fr30/fr30.md, config/i386/i386-interix.h,
1578 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1579 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1580 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1581 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1582 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1583 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1584 Follow spelling conventions.
1585 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1586 Follow spelling conventions.
1588 2006-05-27 Richard Guenther <rguenther@suse.de>
1591 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1592 to produce a constant of value 1 of generic type.
1594 2006-05-27 Dirk Mueller <dmueller@suse.de>
1596 * cgraphunit.c (decide_is_function_needed): Fix wrong
1599 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1601 PR rtl-optimization/27661
1602 * reload.c (find_reloads): When reloading a VOIDmode constant
1603 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1604 use Pmode as mode of the reload register.
1606 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1608 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1609 is enabled at -O and above.
1611 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1614 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1617 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1620 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1621 for anonymous variables explicitly declared by front ends.
1623 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1625 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1626 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1627 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1628 ref-all pointers, run a finalization pass for them.
1629 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1630 (finalize_ref_all_pointers): New function.
1631 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1632 regular pointer type to a ref-all pointer type.
1633 (get_tmt_for): Return the special memory tag for ref-all pointers.
1635 2006-05-25 Richard Guenther <rguenther@suse.de>
1638 * fold-const.c (fold_binary): Do not look at the stripped
1639 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1641 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1643 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1644 for LT and GT if the computed range is effectively empty.
1646 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1649 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1650 mips_quad_format formats instead of ieee_single_format,
1651 ieee_double_format and ieee_quad_format formats, respectively.
1653 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1655 PR tree-optimization/27639
1656 PR tree-optimization/26719
1657 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1658 call to scev_probably_wraps_p.
1659 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1660 used_in_pointer_arithmetic_p, convert_step): Removed.
1661 (nowrap_type_p): New function.
1662 (scev_probably_wraps_p): Rewritten.
1663 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1664 chrec_convert if chrec_convert_aggressive might have been used.
1665 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1666 scev_direction): New functions.
1667 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1668 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1669 instead of convert_step.
1670 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1671 (convert_step): Declaration removed.
1672 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1674 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1676 * df-core.c: Added to header comments.
1677 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1678 df_ur_bb_info, df_urec_bb_info): Added comments.
1679 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1680 urec, ri problems): Fixed header comments.
1681 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1682 code from df_rd_transfer_function.
1684 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1686 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1687 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1688 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1690 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1692 * expr.c (undefined_operand_subword_p): New.
1693 (emit_move_multi_word): Do not generate move from undefined bits
1694 of a paradoxical subreg.
1696 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1698 PR rtl-optimization/27736
1699 * combine.c (replaced_rhs_value): New variable.
1700 (combine_instructions): Set it.
1701 (distribute_notes): When distributing a note in replaced_rhs_insn,
1702 check whether the value was used in replaced_rhs_value.
1704 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1707 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1708 add_referenced_var instead of add_referenced_tmp_var.
1709 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1710 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1712 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1713 tree_optimize_tail_calls_1): Use add_referenced_var.
1714 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1715 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1716 Use add_referenced_var.
1717 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1718 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1719 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1720 Use add_referenced_var.
1721 * tree-dfa.c (struct walk_state): Remove.
1722 (find_referenced_vars): Remove walk state and vars_found hash table.
1723 (make_rename_temp): Use add_referenced_var.
1724 (find_vars_r): Pass less parameters to add_referenced_var.
1725 (referenced_var_p): New. Is var in referenced_var hash table.
1726 (referenced_var_insert): Assert var isn't already in hash table.
1727 (add_referenced_var): Don't need walk_state parameter. Add var if it
1728 isn't already in the hash table.
1729 (add_referenced_tmp_var): Remove.
1730 (find_new_referenced_vars_1): Use add_referenced_var.
1731 * tree-ssa-pre.c (create_expression_by_pieces,
1732 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1733 Use add_referenced_var.
1734 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1735 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1736 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1738 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1739 vect_create_data_ref_ptr, vect_create_destination_var,
1740 vect_init_vector, vect_build_loop_niters,
1741 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1742 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1743 Use add_referenced_var.
1744 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1745 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1746 (add_referenced_var): Add prototype.
1747 * tree-ssa-structalias.c (get_constraint_for,
1748 intra_create_variable_infos): Use add_referenced_var.
1750 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1752 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1753 big-endian paradoxical subregs.
1754 * var-tracking.c (struct micro_operation_def): Document that,
1755 for modify micro operations, insn is the subsequent instruction.
1756 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1757 (var_reg_set, var_mem_set): ... new functions.
1758 (add_stores): Record subsequent insn.
1759 (compute_bb_dataflow): Use new functions for MO_USE.
1760 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1761 notes after the insn, and modify notes before the insn known
1762 to be the subsequent one.
1763 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1765 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1768 * config/i386/i386.c (ix86_expand_builtin): Use
1769 gen_sse3_monitor64 for TARGET_64BIT.
1771 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1773 PR rtl-optimization/26375
1774 PR rtl-optimization/26855
1775 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1777 (df_ru_bb_local_compute): Reversed statements and removed bogus
1778 comment explaining why they should be in wrong order.
1779 (df_ru_dump, df_rd_dump): Enhanced debug info.
1780 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1782 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1783 reaching uses and fixed space problem.
1785 2006-05-23 Jan Hubicka <jh@suse.cz>
1787 * cgraphunit.c (decide_is_function_needed): Also nested functions
1788 and functions declared inline can be optimized out at -O0.
1790 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1792 * doc/install.texi (Configuration): Remove reference to CrossGCC
1796 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1799 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1800 ix86_compare_emitted is non-NULL.
1802 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1805 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1808 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1810 PR rtl-optimization/25514
1811 * combine.c (replaced_rhs_insn): New variable.
1812 (combine_instructions): Set replaced_rhs_insn when trying to replace
1813 a SET_SRC with a REG_EQUAL note.
1814 (distribute_notes): Use replaced_rhs_insn when determining the live
1815 range of a REG_DEAD register.
1817 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1818 Anatoly Sokolov <aesok@post.ru>
1820 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1821 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1822 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1823 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1824 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1825 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1826 at90usb647, at90usb1286 and at90usb1287 devices.
1827 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1828 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1830 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1832 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1834 2006-05-22 Richard Guenther <rguenther@suse.de>
1837 2006-01-31 Richard Guenther <rguenther@suse.de>
1838 Paolo Bonzini <bonzini@gnu.org>
1840 * doc/install.texi (--disable-libgcc-math): Document.
1842 2006-05-22 Richard Guenther <rguenther@suse.de>
1845 2006-01-31 Richard Guenther <rguenther@suse.de>
1847 * doc/invoke.texi (-msselibm): Document.
1848 * target.h (expand_library_builtin): New target hook.
1849 * builtins.c (expand_builtin): Use expand_library_builtin.
1850 (default_expand_library_builtin): New function.
1851 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1852 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1853 (link_gcc_math_spec): Declare.
1854 (static_specs): Add link_gcc_math_spec.
1855 * expr.h (default_expand_library_builtin): Declare.
1856 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1857 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1858 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1859 * config/i386/i386.opt (msselibm): New target option.
1860 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1861 (ix86_init_sse_abi_builtins): New function.
1862 (ix86_expand_library_builtin): Likewise.
1863 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1864 (override_options): Handle error conditions wrt -msselibm.
1865 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1866 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1867 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1870 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1873 * c-common.c (self_promoting_args_p): Skip erroneous args.
1876 * c-decl.c (finish_struct): Skip erroneous fields.
1878 2006-05-22 Nick Clifton <nickc@redhat.com>
1880 * config/cris/cris.opt (march): Remove VarExists attribute.
1881 (max-stackframe=): Likewise.
1883 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1885 * doc/rtl.texi: Fix a typo.
1886 * see.c: Fix comment typos.
1888 * tree-ssa-structalias.h (alias_info): Remove num_references.
1890 2006-05-21 Mike Stump <mrs@apple.com>
1892 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1894 (darwin_pragma_options): Use BAD instead.
1895 (darwin_pragma_unused): Likewise.
1896 (darwin_pragma_ms_struct): Likewise.
1898 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1900 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1902 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1904 PR rtl-optimization/27671
1905 * simplify-rtx.c (simplify_relational_operation_1): Fix
1906 simplifications of (eq/ne (xor x y) y) and
1907 (eq/ne (xor x y) x).
1909 PR tree-optimization/26622.
1910 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1913 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1915 * tree-cfg.c: Prune whitespace.
1916 (debug_tree_cfg): Point to correct header containing the
1919 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1922 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1924 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1927 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1928 or sorry count is non zero.
1930 2006-05-20 Andreas Schwab <schwab@suse.de>
1932 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1934 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1935 Kenneth Zadeck <zadeck@naturalbridge.com>
1937 PR rtl-optimization/26855
1939 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1941 (df_scan_alloc): Added code to properly handle multiword hard
1942 registers and add all_blocks parameter.
1943 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1944 code to properly handle multiword hard registers.
1945 (df_rescan_blocks): Added code to remove deleted blocks from
1947 (df_ref_create_structure, df_ref_record): Added code to properly
1949 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1950 and set DF_REF_PARTIAL.
1951 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1952 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1953 (df_scan_add_problem): Added flags parameter.
1954 (df_ref_create_structure): Changed switching structure.
1955 (df_bb_refs_record): Fixed case where duplicate artificial refs
1956 were created. Changed location of flags.
1957 (df_record_entry_block_defs): Added code to make stack pointer
1958 live in entry block. Refined cases where frame pointer is needed.
1959 Changed location of flags.
1960 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1961 (df_set_state): Removed function.
1962 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1963 df_insn_create_insn_record, df_insn_refs_delete,
1964 df_ref_create_structure): Formatting changes.
1965 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1966 df_delete_basic_block): New function.
1967 (df_init): Changed location of flags.
1968 (df_add_problem): Added flags parameter and the way flags are
1970 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1971 debug_df_chain): Improved debugging output.
1972 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1973 (df_refs_chain_dump): Removed df parameter.
1974 (df_iterative_dataflow): Added consistency check.
1975 (df_prune_to_subcfg): Made public.
1976 (df_analyze_problem): Added blocks_to_init parameter and made
1978 (df_ref_record, df_bb_refs_record, df_mark_reg,
1979 df_record_exit_block_uses): Whitespace changes.
1980 (df_dump): Whitespace changes.
1981 * df.h: Some reordering to remove forward references.
1982 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1983 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1984 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1985 (dataflow.flags): New field.
1986 (df.flag): Deleted field.
1987 (df_alloc_function): Added additional bitmap parameter.
1988 (df_dependent_problem_function): New type.
1989 (df_problem.changeable_flags): New field.
1990 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1991 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1992 (df_mw_hardreg): New struct.
1993 (DF_INSN_UID_MWS): New macro.
1994 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1996 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1997 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1998 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1999 (df_set_state): Removed function.
2000 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2001 * df-problems.c (df_chain_dump): Removed df parameter.
2002 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2003 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2005 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2006 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2007 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2008 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2009 DF_REF_MUST_CLOBBER cases.
2010 (df_ru_bb_local_compute_process_def,
2011 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2012 df_lr_bb_local_compute, df_ur_bb_local_compute,
2013 df_chain_create_bb): Made subreg aware.
2014 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2015 df_lr_bb_local_compute, df_lr_bb_local_compute,
2016 df_chain_create_bb): Cleanup to use proper macros.
2017 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2018 code to fixup bitvectors.
2019 (df_ri_alloc): Cleared lifetime.
2020 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2021 df_create_unused_note): New function.
2022 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2023 REG_DEAD and REG_UNUSED notes as well as register information.
2024 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2025 df_chains_dump): Fixed crash if problem was never run.
2026 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2027 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2028 df_ri_add_problem): Processes flags in uniform manner.
2029 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2030 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2031 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2032 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2033 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2034 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2035 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2036 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2037 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2038 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2039 * see.c (see_initialize_data): Ditto.
2040 * final.c (rest_of_clean_state) Added regstack_completed.
2041 * rtl.h (regstack_completed): Ditto.
2042 * reg-stack.c (regstack_completed): Ditto.
2044 2006-05-19 Mike Stump <mrs@apple.com>
2046 * c-tree.h (default_conversion): Remove.
2047 * c-common.h (default_conversion): Add.
2049 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2051 * tree-vrp.c (valid_value_p): New function.
2052 (adjust_range_with_scev): Fail if the value of bound is not
2055 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2057 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2058 (mips_fallback_frame_state): Use syscall numbers to determine
2059 the appropriate li instruction for the current ABI. Only use
2060 __NR_sigreturn for o32.
2062 2006-05-19 Nicolas Setton <setton@adacore.com>
2064 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2065 * langhooks.c (lhd_dwarf_name): New function.
2066 * langhooks-def.h (lhd_dwarf_name): Declare.
2067 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2068 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2069 * ada/misc.c (gnat_dwarf_name): New function.
2070 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2072 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2074 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2076 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2077 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2078 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2079 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2080 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2081 determine the size of Wtype, etc.
2082 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2083 (swfloatfuncs): New variable.
2084 (dwfloatfuncs): Likewise.
2085 (lib2funcs): Remove floating-point conversion functions from
2086 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2087 the set of conversion routines needed. Allow entries to specify
2088 an object name, filename and word size. Update users accordingly.
2089 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2090 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2094 2006-02-08 Roger Sayle <roger@eyesopen.com>
2097 * config/fixtfdi.c: New libgcc source file.
2098 * config/fixunstfdi.c: New source file.
2099 * config/floatditf.c: New source file.
2100 * config/floatunditf.c: New souce file.
2101 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2102 files above instead of config/mips/_tilib.c.
2103 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2105 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2107 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2108 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2110 2006-05-18 Mike Stump <mrs@apple.com>
2112 Fix up vla, vm and [*] sematics.
2118 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2119 (c_vla_unspec_p): Add.
2120 (c_vla_type_p): Add.
2121 * c-decl.c (struct c_scope): Add had_vla_unspec.
2122 (build_array_declarator): Add support for [*].
2123 (grokdeclarator): Likewise.
2124 (grokparms): Likewise.
2125 (get_parm_info): Likewise.
2126 * c-objc-common.c (c_vla_unspec_p): Likewise.
2127 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2128 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2129 typeof when argument is a variably modified type not inside sizeof or alignof.
2130 (c_parser_direct_declarator_inner): Propagate errors.
2131 (c_parser_sizeof_expression): Add support for [*].
2132 (c_parser_parms_declarator): Initialize had_vla_unspec.
2133 (c_parser_parms_list_declarator): Likewise.
2134 * c-typeck.c (c_vla_type_p): Add.
2135 (composite_type): Add support for vla compositing.
2136 (comptypes_internal): Add support for vla compatibility.
2137 (c_expr_sizeof_expr): Evaluate vla arguments.
2138 * tree.c (variably_modified_type_p): Update comment for [*].
2140 2006-05-18 Michael Matz <matz@suse.de>
2143 * config.host: Make assignments to host_xmake_file cumulative.
2144 * config.host (*-darwin*): Test $host, not $target.
2146 2006-05-12 Stuart Hastings <stuart@apple.com>
2148 * config/i386/i386.opt (-mstackrealign): New flag.
2149 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2150 (ix86_handle_cconv_attribute): Emit error when
2151 force_align_arg_pointer attribute collides with too many regparms.
2152 (ix86_function_regparm): Limit regparms when used with
2153 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2154 Support stack-realigning prologue in non-main functions. Emit
2155 warning for nested functions under -mstackrealign, emit error for
2156 nested functions with force_align_arg_pointer attribute.
2157 * doc/extend.texi (force_align_arg_pointer): Document it.
2158 * doc/invoke.texi (-mstackrealign): Document it.
2160 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2162 PR rtl-optimization/27477
2163 * combine.c (try_combine): Don't split a parallel consisting
2164 of two sets into two individual sets if both sets reference
2167 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2169 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2170 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2172 * doc/options.texi (VarExists): Updated.
2174 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2176 * unwind-dw2.c: Add declarations for uw_update_context and
2178 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2179 detected, advance frame state and context once to skip over stub.
2181 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2185 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2186 Call rewrite_into_loop_closed_ssa only when something changed.
2187 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2188 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2189 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2190 Test for perfect_nest_p here. Fix formating.
2191 (replace_uses_equiv_to_x_with_y): Fix formating.
2192 (stmt_uses_op): Removed.
2193 (can_convert_to_perfect_nest): Removed loopivs parameter.
2194 Complete the test by checking the scalar dependences.
2195 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2198 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2201 From Dan Kegel <dank@kegel.com>:
2202 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2204 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2206 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2207 if the element type is variably modified without recursing.
2209 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2212 * tree-loop-linear.c (try_interchange_loops): Test for
2213 no data dependences.
2215 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2217 PR tree-optimization/27548
2218 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2219 range of ssa names that appear on abnormal edges.
2220 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2221 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2223 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2226 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2228 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2231 * tree.h (OMP_PARALLEL_COMBINED): Define.
2232 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2233 (new_omp_context): Add is_combined_parallel argument.
2234 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2235 new_omp_context caller.
2236 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2237 Adjust gimplify_scan_omp_clauses callers.
2238 (omp_is_private): Issue errors if iteration variable is firstprivate
2239 or reduction in the current context.
2240 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2241 on combined parallel workshare constructs.
2243 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2245 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2246 (gcc-options.o): New rule.
2248 * optc-gen.awk: Protect variables for gcc-options.o with
2249 #ifdef GCC_DRIVER/#endif.
2251 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2253 Fix PR tree-optimization/27373
2254 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2255 (forward_propagate_addr_expr): Update call.
2257 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2259 * doc/options.texi: Move the Negative option.
2261 2006-05-16 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/22303
2264 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2266 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2267 ccp_fold did not simplify the statement.
2269 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2272 * Makefile.in (GCC_OBJS): New.
2273 (OBJS-common): Add opts-common.o.
2274 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2275 (cpp$(exeext)): Likewise.
2276 (gcc.o): Also depend on opts.h.
2277 (opts-common.o): New.
2279 * common.opt (gcoff): Add Negative(gdwarf-2).
2280 (gdwarf-2): Add Negative(gstabs).
2281 (gstabs): Add Negative(gstabs+).
2282 (gstabs+): Add Negative(gvms).
2283 (gvms): Add Negative(gxcoff).
2284 (gxcoff): Add Negative(gxcoff+).
2285 (gxcoff+): Add Negative(gcoff).
2286 * config/i386/i386.opt (m32): Add Negative(m64).
2287 (m64): Add Negative(m32).
2289 * doc/options.texi: Document the Negative option.
2291 * gcc.c: Include "opts.h".
2292 (main): Call prune_options after expandargv.
2294 * optc-gen.awk: Generate common declarations for all flag
2295 variables in options.c. Output the neg_index field.
2297 * opts.c (find_opt): Moved to ...
2298 * opts-common.c: Here. New file.
2300 * opts.h (cl_option): Add a neg_index field.
2302 (prune_options): Likewise.
2304 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2307 * omp-low.c (expand_omp_parallel): Don't assert
2308 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2309 instead search for it.
2312 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2315 2006-05-16 Andreas Schwab <schwab@suse.de>
2317 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2320 2006-05-15 Roger Sayle <roger@eyesopen.com>
2323 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2324 integer constants other than zero are only legitimate on TARGET_64BIT.
2325 <CONST_VECTOR> Only zero vectors are legitimate.
2326 (ix86_cannot_force_const_mem): Integral and vector constants can
2327 always be put in the constant pool.
2329 2006-05-16 DJ Delorie <dj@redhat.com>
2331 * crtstuff.c (__dso_handle): Set section from
2332 TARGET_LBIGCC_SDATA_SECTION if defined.
2333 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2334 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2336 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2339 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2342 2006-05-16 Ben Elliston <bje@au.ibm.com>
2344 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2346 2006-05-15 Per Bothner <per@bothner.com>
2348 * tree.c: (last_annotated_node): Use source_locus typedef.
2349 This permits bootstrapping with --enable-mapped-location.
2351 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2353 PR tree-optimization/26830
2354 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2355 (info_for_ssa_name, current_info_for_ssa_name_age,
2356 blocks_to_update): New variables.
2357 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2358 (clear_ssa_name_info, initialize_flags_in_bb,
2359 mark_block_for_update): New functions.
2360 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2361 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2362 prepare_def_site_for): Use mark_block_for_update.
2363 (mark_def_interesting): Assert that the processed block is marked in
2364 blocks_to_update. Do not take blocks argument.
2365 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2367 (rewrite_update_init_block, rewrite_update_stmt): Only process
2368 blocks with statements to rewrite.
2369 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2370 (update_ssa): Initialize and free blocks_to_update. Do not
2371 clear flags on statements. Do not use blocks bitmap.
2372 * tree.h (SSA_NAME_AUX): Removed.
2373 (struct tree_ssa_name): Removed aux field.
2374 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2376 2006-05-15 Richard Guenther <rguenther@suse.de>
2378 PR tree-optimization/27603
2379 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2380 Do computations in original type.
2382 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2384 * see.c: Code style changes such as redundant paranthesis,
2385 redundant intialization of local variables etc.
2386 (see_main): Declared now as static.
2387 * doc/invoke.texi: Update that -fsee is not enabled by
2390 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2392 * omp-low.c (check_omp_nesting_restrictions): New function.
2393 (scan_omp_1): Call it.
2396 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2397 construct, return *VAR.
2399 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2401 PR rtl-optimization/27406
2402 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2405 2006-05-14 Roger Sayle <roger@eyesopen.com>
2407 PR rtl-optimization/27538
2408 * combine.c (expand_compound_operation): Call gen_lowpart
2409 before calling simplify_shift_const.
2411 2006-05-14 Roger Sayle <roger@eyesopen.com>
2413 PR rtl-optimization/22563
2414 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2415 a fixed width bitfield, always force the intermediates into psuedos.
2417 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2420 * mkconfig.sh: Use operator = instead of == for test.
2422 2006-05-13 Nick Clifton <nickc@redhat.com>
2424 * dwarf2out.c (dbx_reg_number): Check return value from
2425 LEAF_REG_REMAP and only use it if it is valid.
2426 (multiple_reg_loc_descriptor): Likewise.
2428 2006-05-13 Richard Guenther <rguenther@suse.de>
2430 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2433 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2435 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2436 information attached to non-INSNs such as NOTEs.
2437 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2439 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2441 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2443 * config/s390/s390.md: Adjust comment describing On constraint.
2445 2006-05-11 Jan Hubicka <jh@suse.cz>
2447 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2448 to be output at -O0.
2450 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2453 * fold-const.c (size_binop): Move sanity check for arguments to
2454 the beginning of the function.
2457 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2460 2006-05-11 Richard Guenther <rguenther@suse.de>
2463 * fold-const.c (fold_unary): Handle intermediate conversion
2464 to a pointer type like intermediate conversion to an integer
2465 type in folding of (T1)(T2)var to var.
2466 Match the code to the comment in the final conversion for
2467 (T1)(T2)var to (T1)var regarding to type precision. Rather
2468 than disallow T1 being of pointer type, assert that both T1
2469 and var are of pointer type or not. Make sure not to fall
2470 over the frontends lazyness wrt array to pointer decay though.
2472 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2474 * arm.c (arm_struct_value_rtx): Delete.
2475 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2476 (arm_init_cumulative_args): Always initialize nregs to zero.
2478 2006-05-10 Richard Guenther <rguenther@suse.de>
2480 PR tree-optimization/27532
2481 * tree-object-size.c (plus_expr_object_size): Fix typo.
2483 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2486 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2487 ashrdi_const, ashrdi3): Use a scratch register.
2489 2006-05-10 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/27302
2492 * fold-const.c (operand_equal_p): For two comparisons,
2493 try comparison of one comparison code swapped if that yields
2496 2006-05-10 Ben Elliston <bje@au.ibm.com>
2498 * tree-pretty-print.c (pretty_print_string): No need to handle
2499 '\0' as a special character.
2501 * tree.h: Include "hashtab.h".
2502 (iterative_hash_expr): Use hashval_t in its prototype.
2503 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2505 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2508 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2509 (hppa*64*-*-hpux11*): Ditto.
2510 (hppa[12]*-*-hpux11*): Ditto.
2512 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2515 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2517 2006-05-09 Michael Matz <matz@suse.de>
2519 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2520 host_extra_gcc_objs and host_xmake_file.
2521 (<*-*-linux*>): Don't overwrite host_xmake_file.
2522 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2523 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2524 (host_detect_local_cpu): Declare.
2525 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2526 * config/i386/i386.c (override_options): Handle -mtune=native
2528 * config/i386/x-i386: New file.
2529 * config/i386/driver-i386.c: New file.
2530 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2533 2006-05-09 Dirk Mueller <dmueller@suse.de>
2534 Richard Guenther <rguenther@suse.de>
2537 * fold-const.c (fold_read_from_constant_string): Relax check
2538 for matching types to matching modes.
2540 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2542 PR rtl-optimization/27335
2543 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2546 2006-05-08 Chao-ying Fu <fu@mips.com>
2547 Richard Sandiford <richard@codesourcery.com>
2549 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2550 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2551 * config/mips/mips.md (UNSPEC_SCC): New constant.
2552 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2553 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2554 (mips_emit_compare): Use it.
2555 (mips_expand_vcondv2sf): New function.
2557 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2559 Fix PR tree-optimization/27093
2560 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2561 renaming when they become not-used_alone.
2563 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2565 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2566 relocation and relocation stubs.
2568 2006-05-08 Eric Christopher <echristo@apple.com>
2570 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2573 2006-05-08 Jan Hubicka <jh@suse.cz>
2576 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2577 unused static functions are needed.
2579 2006-05-08 Roger Sayle <roger@eyesopen.com>
2582 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2583 of a reg_equiv_constant if the result is a legitimate constant.
2585 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2588 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2589 standard 80387 constants, raise the cost to prevent
2590 compress_float_constant() to generate load from memory.
2592 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2594 * config/arm/constraints.md (c): Fix a typo.
2596 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2599 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2602 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2604 (_mm_mwait): Likewise.
2606 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2608 (sse3_monitor): Make it 32bit only.
2609 (sse3_monitor64): New. 64bit monitor.
2611 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2614 * config/i386/i386.c (classify_argument): Skip fields with invalid
2617 2006-05-07 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/27409
2620 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2621 Do not try to find zero-sized subvars.
2623 2006-05-07 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/27136
2626 * tree-ssa-loop-niter.c (get_val_for): Correct function
2627 comment, assert requirements.
2628 (loop_niter_by_eval): Stop processing if the iterated
2629 value did not simplify.
2631 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2633 * opts.c (flag_see): remove its setting at -O3.
2635 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2637 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2638 * arm/constraints.md: New file.
2639 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2640 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2641 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2642 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2643 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2644 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2645 * arm.md: Include constraints.md.
2646 (thumb_movsi_insn): Use satisfies_constraint_J.
2647 (movhi, movqi): Use satisfies_constraint_I.
2649 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2651 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2652 for atmeg a645 device.
2654 2006-05-06 Richard Guenther <rguenther@suse.de>
2656 PR tree-optimization/27151
2657 * tree-vect-transform.c (vectorizable_condition): Punt on
2658 values that have a different type than the condition.
2660 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2663 * c-parser.c (c_parser_cast_expression): Only insert casts into
2664 hash table if pointer.
2665 * function.c (used_types_insert_helper): Rename from
2667 (used_types_insert): Call used_types_insert_helper.
2668 * function.h (used_types_insert): Accept only one argument.
2670 2006-05-05 David Edelsohn <edesohn@gnu.org>
2672 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2673 scratch with output modifier.
2675 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2678 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2679 with output modifier.
2681 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2684 * config/mips/mips.c (mips_symbolic_address_p): Return true
2685 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2686 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2688 2006-05-04 Richard Guenther <rguenther@suse.de>
2690 PR tree-optimization/14287
2691 PR tree-optimization/14844
2692 PR tree-optimization/19792
2693 PR tree-optimization/21608
2694 PR tree-optimization/27090
2695 * tree-ssa-pre.c (try_combine_conversion): New function.
2696 (compute_avail): After constructing the value-handle
2697 expression, use try_combine_conversion to combine NOP_EXPRs
2698 with previous value-handle expressions and use the result if it
2701 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2703 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2705 2006-05-04 Jan Hubicka <jh@suse.cz>
2708 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2710 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2712 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2713 that this only matches CONST_INTs. All users changed to VOIDmode
2716 * config/bfin/bfin.c: Include "optabs.h".
2717 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2719 (enum bfin_builtins): Add a number of fractional and vector builtins.
2720 (bfin_init_builtins): Likewise.
2721 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2722 (safe_vector_operand, bfin_expand_binop_builtin,
2723 bfin_expand_unop_builtin): New functions.
2724 (bfin_expand_builtin): Handle the new builtins.
2725 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2728 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2731 * Makefile.in (OBJS-common): Add see.o.
2732 (see.o): Add dependencies.
2733 * common.opt (fsee): New flag for the see optimization was added.
2734 * opts.c (flag_see): Initialized.
2735 * passes.c (init_optimization_passes, pass_see): New pass.
2736 * rtl.h (see_main): Declaration as extern.
2737 * timevar.def (TV_SEE): New.
2738 * tree-pass.h (pass_see): Declaration as extern.
2739 * invoke.texi (-fsee): Document.
2740 * recog.c (validate_simplify_insn): New function.
2741 * recog.h (validate_simplify_insn): Declaration as extern.
2742 * df-problems.c (df_chain_dump): Check for NULL.
2744 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2745 Daniel Berlin <dberlin@dberlin.org>
2747 * cfgrtl.c (insert_insn_bb_end_new): New function.
2748 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2750 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2752 * df.h (struct web_entry): Moved from web.c.
2753 (union_defs): Declaration as extern.
2754 (unionfind_root): Likewise.
2755 (unionfind_union): Likewise.
2756 * web.c (struct web_entry): Moved to df.h.
2757 (unionfind_root): Remove static declaration.
2758 (unionfind_union): Likewise.
2759 (union_defs): Likewise and generalize to use callback function.
2760 (web_main): Update arguments for union_defs function call.
2762 2006-05-04 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/26447
2765 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2766 produce SSA_NAME copies before the store stmt to avoid
2767 breaking exception handling.
2769 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2772 * gimplify.c (omp_is_private): If var is shared in some outer context,
2773 return false instead of true. Stop searching on parallel context
2776 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2779 * coverage.c: Use get_gcov_unsigned_t() instead of
2780 unsigned_type_node all over.
2782 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2784 PR tree-optimization/27381
2785 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2786 maintain the same immediate_use links.
2787 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2788 node rather than segfaulting.
2790 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2793 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2794 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2795 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2797 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2799 Fix PR tree-optimization/26626
2800 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2802 * tree-ssa-operands.c (access_can_touch_variable): Allow
2803 typecasting through union pointers.
2805 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2808 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2809 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2810 to find if var will be a global variable even in the nested context.
2811 (omp_copy_decl): Only check for global variable at the end, it might
2812 be overridden in outer contexts.
2813 (scan_sharing_clauses): For global variables don't create a field.
2814 (lower_rec_input_clauses): Do nothing for global shared variables.
2815 Emit a barrier at the end of ILIST if there were any decls in both
2816 firstprivate and lastprivate clauses.
2817 (lower_send_clauses): Do nothing for global variables except for
2820 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2822 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2823 of the correct signedness is returned.
2825 2006-05-02 Jeff Law <law@redhat.com>
2827 PR tree-optimization/27364
2828 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2829 multiply expressions.
2831 2006-05-02 Tom Tromey <tromey@redhat.com>
2833 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2835 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2838 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2839 -mthumb -fPIC are used.
2841 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2842 Joshua Kinard <kumba@gentoo.org>
2845 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2846 with 64-bit pointers.
2848 2006-05-02 Paul Brook <paul@codesourcery.com>
2850 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2852 (create_fix_barrier): Check that a suitable barrier location is
2854 (arm_reorg): Include ftmp->address in allowable range of addresses.
2856 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2859 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2862 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2865 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2866 around RESULT_DECL for result passed by reference.
2867 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2868 * omp-low.c (use_pointer_for_field): Don't look at
2869 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2870 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2871 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2872 time or var for passing by reference for
2873 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2874 TREE_ADDRESSABLE variables when passing by reference.
2876 * omp-low.c (dump_omp_region): Fix output formatting.
2879 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2880 (expand_omp_parallel): Likewise.
2881 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2884 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2885 on statement list containing also constructors and destructors.
2886 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2889 * except.c (duplicate_eh_regions): Fix clearing of
2890 cfun->eh->region_array entries.
2892 2006-05-01 DJ Delorie <dj@redhat.com>
2894 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2896 (gcc_cv_objdump): Likewise.
2897 * configure: Regenerated.
2899 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2902 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2903 templates for case 3 and 4.
2905 2006-05-01 DJ Delorie <dj@redhat.com>
2907 * vec.c: Include bconfig.h when appropriate.
2908 * Makefile.in (build/vec.o): Adjust dependencies.
2909 * mkconfig.sh: Make sure config.h isn't used for build machine
2912 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2914 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2916 (mark_phi_for_rewrite): New function.
2917 (insert_phi_nodes_for, mark_use_interesting): Call
2918 mark_phi_for_rewrite.
2919 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2920 (update_ssa): Initialize and free phis_to_rewrite.
2922 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2924 PR rtl-optimization/27291
2925 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2926 folded to a constant.
2928 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2930 PR tree-optimization/27283
2931 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2932 not whole # of iteration descriptions.
2933 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2934 uses abnormal ssa name.
2935 (niter_for_single_dom_exit): Ditto.
2936 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2937 return just the number of iterations.
2939 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2941 PR tree-optimization/27144
2942 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2943 (record_estimate): Only record constant upper bound.
2944 (infer_loop_bounds_from_undefined): Call
2945 compute_estimated_nb_iterations just once.
2946 (proved_non_wrapping_p): Renamed to ...
2947 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2948 (convert_step_widening, scev_probably_wraps_p): Call
2949 n_of_executions_at_most instead of proved_non_wrapping_p.
2950 (substitute_in_loop_info): Do not replace values in bounds.
2951 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2954 2006-05-01 Richard Henderson <rth@redhat.com>
2957 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2958 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2961 2006-05-01 Roger Sayle <roger@eyesopen.com>
2963 * c-typeck.c (parser_build_binary_op): Don't call the function
2964 unsigned_conversion_warning to spot operand/result type overflow.
2965 (build_binary_op): Instead, call convert_and_check instead of
2966 convert to report the problem when the operands are promoted.
2967 * c-common.c (unsigned_conversion_warning): Make static.
2968 * c-common.h (unsigned_conversion_warning): Delete prototype.
2970 2006-05-01 Richard Guenther <rguenther@suse.de>
2972 PR tree-optimization/26726
2973 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2975 (find_interesting_uses_address): ... we work around here
2976 by folding INDIRECT_REFs in the substituted base.
2978 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2980 * omp-low.c (dump_omp_region): Add newlines.
2982 2006-04-30 Roger Sayle <roger@eyesopen.com>
2984 * common.opt (Woverflow): New command line option.
2985 * c-common.c (constant_expression_warning): Check warn_overflow.
2986 (overflow_waring): Pass OPT_Woverflow to warning.
2987 (unsigned_conversion_warning): Likewise.
2988 (convert_and_check): Likewise.
2989 * doc/invoke.texi: Document new command line option.
2991 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2993 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2994 TARGET_NO_FP_IN_TOC for section anchors.
2995 (optimization_options): Enable section anchors for all
2996 non-"Objective" languages.
2998 2006-04-28 Eric Christopher <echristo@apple.com>
3000 * config/darwin-c.c (darwin_ms_struct): Move this
3001 (darwin_set_default_type_attributes): and this...
3002 * config/darwin.c: ... here.
3003 * config/darwin.h (darwin_ms_struct): Declare.
3005 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3007 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3009 2006-04-28 Roger Sayle <roger@eyesopen.com>
3012 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3013 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3014 an unsigned HOST_WIDE_INT.
3015 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3017 (really_start_incremental_init): No need to call convert because
3018 bitsize_zero_node is already of type bitsizetype.
3019 (push_init_level): Extract the value of constructor_index as an
3020 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3021 (process_init_element): Likewise.
3023 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3025 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3026 value before passing to make_relative_prefix.
3028 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3031 * builtins.c (expand_builtin_memset): Expand val in original mode.
3033 2006-04-27 Eric Christopher <echristo@apple.com>
3035 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3036 with #ifndef/#endif.
3037 * config/darwin-c.c (darwin_ms_struct): New.
3038 (darwin_pragma_ms_struct): Ditto.
3039 (darwin_set_default_type_attributes): Ditto.
3040 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3041 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3042 Register ms_struct pragma.
3043 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3044 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3045 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3046 darwin_set_default_type_attributes if TARGET_MACHO.
3048 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3050 PR tree-optimization/26854
3051 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3052 * doc/tree-ssa.texi: Update immuse iterator documentation.
3053 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3054 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3055 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3056 first_safe_imm_use, next_safe_imm_use): Remove.
3057 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3058 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3059 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3060 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3061 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3062 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3063 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3064 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3065 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3066 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3067 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3068 (perfect_nestify): Use new iterator.
3069 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3071 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3072 (next_imm_name): New field in struct immediate_use_iterator_d.
3073 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3074 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3075 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3076 * tree-cfg.c (replace_uses_by): Use new iterator.
3077 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3078 * tree-ssa-operands.c (correct_use_link): Remove.
3079 (finalize_ssa_use_ops): No longer call correct_use_link.
3081 2006-04-27 Stuart Hastings <stuart@apple.com>
3083 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3084 * config/t-darwin (crt3.o): Use it.
3085 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3086 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3087 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3088 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3089 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3092 2006-04-27 Roger Sayle <roger@eyesopen.com>
3094 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3095 size, force the intermediate into a new pseudo rather instead of
3096 performing both a bitwise AND and a bitwise IOR in memory.
3098 2006-04-27 Richard Guenther <rguenther@suse.de>
3100 PR rtl-optimization/26685
3101 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3102 this one "max-flow-memory-locations".
3104 2006-04-27 Richard Guenther <rguenther@suse.de>
3106 PR tree-optimization/25148
3107 * tree-vrp.c (compare_values): Remove code dealing with
3108 comparisons against type min/max value. Honour overflow
3109 and negative constants in code dealing with comparisons
3110 of plus and minus expressions.
3111 (value_inside_range): Use fold_binary with LE_EXPR and
3112 GE_EXPR rather than compare_values.
3114 2006-04-27 Dirk Mueller <dmueller@suse.de>
3116 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3119 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3121 * basic-block.h (safe_insert_insn_on_edge): Removed.
3122 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3124 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3125 Paolo Bonzini <bonzini@gnu.org>
3128 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3129 (simplify_and_const_int): Same.
3131 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3133 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3135 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3138 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3139 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3140 cgraph_global_info_ready.
3143 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3146 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3147 either decl or init is error_mark_node.
3150 * tree-flow.h (struct omp_region): Add sched_kind.
3151 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3152 instead of extracting omp for data.
3153 (expand_omp_for): Save extracted sched_kind.
3155 2006-04-25 Roger Sayle <roger@eyesopen.com>
3157 * expmed.c (store_bit_field): Also check whether the bitsize is
3158 valid for the machine's "insv" instruction before moving the
3159 target into a pseudo for use with the insv.
3160 * config/i386/predicates.md (const8_operand): New predicate.
3161 * config/i386/i386.md (extv, extzv, insv): Use the new
3162 const8_operand predicate where appropriate.
3164 2006-04-25 DJ Delorie <dj@redhat.com>
3166 * doc/install.texi (Specific): Clarify that this is not a list of
3167 supported hosts or targets.
3169 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3171 PR rtl-optimization/26725
3172 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3173 block's BB_DIRTY flag.
3175 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3177 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3180 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3181 to print an integer.
3183 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3185 * varasm.c (align_variable): New function.
3186 (get_block_for_decl): Apply align_variable to DECL before
3187 calculating section information.
3188 (assemble_variable): Split out alignment computation.
3190 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3192 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3195 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3197 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3198 MODE_PARTIAL_INT mode.
3199 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3200 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3202 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3203 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3205 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3207 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3209 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3210 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3211 MACFLAG_IH): Likewise.
3212 (movstricthi_1): Renamed from "*movstricthi".
3213 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3214 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3215 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3216 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3217 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3218 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3219 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3220 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3221 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3222 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3223 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3224 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3225 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3226 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3227 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3229 * doc/rtl.texi (ss_ashift): Improve wording.
3231 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3233 * dwarf2out.c (verify_marks_clear): New.
3234 (prune_unused_types): Call verify_marks_clear initially, not
3237 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3239 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3240 * doc/rtl.texi: Document them.
3241 * simplify-rtx.c (simplify_unary_operation,
3242 simplify_binary_operation_1): Don't abort when we see them.
3244 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3247 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3248 * configure.ac: Completely disregard languages that are not
3250 * configure: Regenerated.
3252 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3253 Richard Guenther <rguenther@suse.de>
3255 PR tree-optimization/27236
3256 * tree-inline.c (copy_body_r): Make sure to copy
3257 TREE_THIS_VOLATILE flag.
3259 2006-04-24 Richard Guenther <rguenther@suse.de>
3262 * tree-complex.c (update_parameter_components): Don't handle
3263 unused parameters which have no default def.
3265 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3266 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/27218
3269 * tree-inline.c (expand_call_inline): Strip useless type
3270 conversions for the return slot address.
3272 2006-04-24 Richard Guenther <rguenther@suse.de>
3274 * cfgloop.h (struct loops): Remove unused field array. Reorder
3276 (LOOP_PREFETCH): Remove.
3278 2006-04-24 Richard Guenther <rguenther@suse.de>
3280 PR tree-optimization/22525
3281 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3282 variable, adjust types of generated expressions.
3284 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3286 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3287 (tree-vect-patterns.o): Likewise.
3289 (cselib.o): Likewise.
3290 (loop-doloop.o): Likewise.
3291 (regclass.o): Likewise.
3292 (reload1.o): Likewise.
3293 (explow.o): Replace target.h with $(TARGET_H).
3294 (ipa-prop.o): Likewise.
3295 (ipa-cp.o): Likewise.
3296 (ipa-inline.o): Likewise.
3297 (reorg.o): Likewise.
3298 (reg-stack.o): Likewise.
3300 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3302 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3304 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3306 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3308 * configure.ac: Completely disregard languages that are not
3310 * configure: Regenerated.
3313 * c-common.h (c_build_bitfield_integer_type): Declare.
3314 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3315 * c-common.c (c_build_bitfield_integer_type): ... here.
3317 2006-04-23 Roger Sayle <roger@eyesopen.com>
3320 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3321 a SImode SUBREG of a floating point register after no_new_pseudos.
3323 2006-04-23 Roger Sayle <roger@eyesopen.com>
3325 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3326 identify potentially eliminable registers to additionally catch
3327 VIRTUAL_INCOMING_ARGS_REGNUM.
3328 (addsi3): Update the conditions on when to use addsi_small_int.
3330 2006-04-23 Roger Sayle <roger@eyesopen.com>
3333 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3334 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3335 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3337 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3339 * fold-const.c (range_predecessor): Use operand_equal_p
3340 as the predicate for equality.
3341 (range_successor): Likewise.
3343 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3346 * config/soft-fp/op-common.h: Fix a typo.
3348 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3351 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3352 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3354 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3356 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3358 * doc/tm.texi: Fix a typo.
3360 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3362 * dwarf2out.c (struct die_struct): Document that die_sib makes
3363 a circular linked list.
3364 (FOR_EACH_CHILD): New.
3365 (reverse_die_lists): Delete.
3366 (reverse_all_dies): Delete.
3367 (add_dwarf_attr): Correct documentation.
3368 (remove_child_with_prev): New.
3369 (remove_child_TAG): Update for change to die_struct, use
3370 remove_child_with_prev.
3371 (add_child_die): Update for change to die_struct.
3372 (splice_child_die): Use remove_child_with_prev and add_child_die.
3373 (print_die): Use FOR_EACH_CHILD.
3374 (die_checksum): Likewise.
3375 (assign_symbol_names): Likewise.
3376 (output_location_lists): Likewise.
3377 (build_abbrev_table): Likewise.
3378 (calc_die_sizes): Likewise.
3379 (mark_dies): Likewise.
3380 (unmark_dies): Likewise.
3381 (unmark_all_dies): Likewise.
3382 (output_die): Likewise.
3383 (prune_unused_types_mark): Likewise.
3384 (prune_unused_types_walk): Likewise.
3385 (same_die_p): Update for change to die_struct.
3386 (break_out_includes): Likewise.
3387 (prune_unused_types_prune): Likewise.
3388 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3389 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3391 (dwarf2out_finish): Don't call reverse_all_dies.
3393 2006-04-21 Eric Christopher <echristo@apple.com>
3395 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3396 in comments and function names.
3398 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3401 * c-typeck.c (digest_init): Robustify.
3403 * c-typeck.c (pop_init_level): Simplify.
3405 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3407 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3409 2006-04-21 Paul Brook <paul@codesourcery.com>
3411 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3412 hardware floating point.
3414 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3416 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3419 2006-04-21 Nick Clifton <nickc@redhat.com>
3421 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3424 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3427 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3428 C++ lang type in traceback table for Objective-C++.
3430 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3432 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3434 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3436 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3439 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3440 were errors. Remove check for erroneous objects.
3442 2006-04-20 Jeff Law <law@redhat.com>
3444 PR tree-optimization/26854
3445 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3446 checking for zero or one use.
3447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3448 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3449 * tree-ssa-reassoc.c (negate_value): Similarly.
3450 (reassociate_bb): Similarly.
3452 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3454 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3455 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3456 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3458 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3460 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3461 fp regs if the last fp arg doesn't fit in regs.
3463 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3466 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3467 that the last insn has the REG_INC note.
3469 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3470 Nathan Sidwell <nathan@codesourcery.com>
3473 * stor-layout.c (update_alignment_for_field): Do not align
3475 (place_union_field): Place union field at the start of the union.
3476 (place_field): Move ERROR_MARK check later, and use the current
3477 allocation position to maintain monotonicity.
3479 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3481 * dominance.c: Include timevar.h.
3482 (calculate_dominance_info): Use TV_DOMINANCE.
3483 * timevar.def (TV_DOMINANCE): New timevar.
3484 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3486 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3488 PR rtl-optimization/14261
3489 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3490 move would be an INSV insn.
3491 (noce_process_if_block): Don't optimize if the destination is a
3492 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3494 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3496 * config/s390/s390.md: Add comments with the instructions emitted
3497 by an insn pattern if macros are used.
3499 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3501 PR rtl-optimization/26026
3502 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3503 is a known power of two shifted left a variable amount.
3505 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3507 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3508 to hash table twice when the debug_str section has SECTION_MERGE.
3510 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3512 * config/soft-fp: New directory. From glibc.
3513 * config/soft-fp/t-softfp: New.
3514 * config/soft-fp/README: New.
3515 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3516 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3517 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3518 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3519 * config.gcc: Use rs6000/t-fprules-fpbit or
3520 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3522 * config/rs6000/sfp-machine.h: New. Based on glibc.
3523 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3525 * config/rs6000/t-fprules: Remove fp-bit rules.
3526 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3527 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3528 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3529 (softfp_wrap_start, softfp_wrap_end): New.
3531 2006-04-18 DJ Delorie <dj@redhat.com>
3533 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3535 2006-04-18 Devang Patel <dpatel@apple.com>
3537 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3539 2006-04-18 Nick Clifton <nickc@redhat.com>
3541 * config/sh/t-symbian: Add rule to build sh-c.o
3542 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3543 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3544 (sh_symbian_encode_section_info): Likewise.
3546 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3548 * builtins.c (expand_builtin_strcmp): Cover label definition of
3549 do_libcall with HAVE_cmpstrnsi.
3551 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3553 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3555 * function.h (temp_slot_p): New.
3556 (function): Change the type of x_used_temp_slots to
3557 VEC(temp_slot_p,gc) *.
3559 2006-04-18 Nick Clifton <nickc@redhat.com>
3561 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3562 flag_strength_reduce.
3564 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3566 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3570 Partial revert of revision 112637
3571 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3572 Dale Johannesen <dalej@apple.com>
3575 * regclass.c (struct reg_pref): Update documentation.
3576 (regclass): Set prefclass to NO_REGS if memory is the best option.
3577 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3579 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3581 PR tree-optimization/26821
3582 * tree-ssa-math-opts.c (get_constant_one): New.
3583 (insert_reciprocals): Use it.
3585 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3587 * dwarf2out.c (free_AT): Delete.
3588 (remove_AT): Update string ref counts.
3589 (remove_child_TAG): Don't call free_die.
3591 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3592 or DW_TAG_GNU_EINCL.
3593 (prune_unused_types_walk_attribs): Reset string refcounts.
3594 (prune_unused_types_update_strings): New.
3595 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3596 call free_die. Do call prune_unused_types_update_strings.
3597 (prune_unused_types): Empty debug_str_hash.
3599 2006-04-17 Roger Sayle <roger@eyesopen.com>
3601 * expr.c (expand_assignment): Optimize away no-op moves where the
3602 source and destination are equal and have no side-effects.
3604 2006-04-17 Richard Guenther <rguenther@suse.de>
3607 * reload.c (push_reload): Guard calls to get_secondary_mem
3610 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3612 * alias.c (reg_base_value, old_reg_base_value): Change the
3613 type to VEC(rtx,gc) *.
3614 (REG_BASE_VALUE, find_base_value, record_set,
3615 init_alias_analysis): Use VEC instead of VARRAY.
3617 * alias.c (alias_sets): Change the type to
3618 VEC(alias_set_entry,gc) *.
3619 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3620 VEC instead of VARRAY.
3621 (last_alias_set): Remove.
3623 * cgraph.h (cgraph_edge_p): New.
3624 Update the prototype of cgraph_function_versioning.
3625 * cgraphunit.c (cgraph_copy_node_for_versioning,
3626 cgraph_function_versioning): Use VEC instead of VARRAY.
3627 * ipa-cp.c (ipcp_insert_stage): Likewise.
3629 2006-04-16 Roger Sayle <roger@eyesopen.com>
3632 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3633 "A op B" or "A op C", we may need to convert A to the type of B and C.
3635 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3637 * target.h (struct gcc_target): Add mode_rep_extended.
3638 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3639 (init_num_sign_bit_copies_in_rep): Initialize it using
3641 (truncate_to_mode): Use it.
3642 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3643 * targhooks.h (default_mode_rep_extended): Declare it.
3644 * targhooks.c (default_mode_rep_extended): Define it.
3645 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3646 default_mode_rep_extended.
3647 (TARGET_INITIALIZER): Include it.
3648 * doc/tm.texi (Misc): Document it.
3649 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3650 (mips_truncated_to_mode): New function.
3652 2006-04-16 Roger Sayle <roger@eyesopen.com>
3655 * expr.c (compress_float_constant): Copy the narrow constant into
3656 a new pseudo before extending it to its final width.
3658 2006-04-16 Roger Sayle <roger@eyesopen.com>
3659 Andrew Pinski <pinskia@gcc.gnu.org>
3660 Dale Johannesen <dalej@apple.com>
3663 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3664 special case code to implement V8HImode and V16QImode with SSE2.
3666 2006-04-15 Roger Sayle <roger@eyesopen.com>
3668 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3669 trees are constructed with a suitable tree type.
3671 2006-04-15 Roger Sayle <roger@eyesopen.com>
3673 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3674 (integer_onep): Likewise.
3675 (integer_all_onesp): Likewise.
3676 (integer_pow2p): Likewise.
3677 (integer_nonzerop): Likewise.
3678 (real_zerop): Likewise.
3679 (real_onep): Likewise.
3680 (real_twop): Likewise.
3681 (real_minus_onep): Likewise.
3682 (int_size_in_bytes): Likewise.
3683 (host_integerp): Likewise.
3685 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3687 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3688 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3689 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3691 * tree-ssa-structalias.h (alias_info): Remove num_references.
3693 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3695 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3696 (output_bvb patterns): Likewise.
3697 * pa.c (output_bb): Use 'bb' insn for long branch case.
3698 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3699 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3700 1. Correct length operand for alternatives 1 and 2.
3701 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3702 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3704 2006-04-14 Roger Sayle <roger@eyesopen.com>
3706 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3707 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3708 were accidentally reverted by r112959.
3710 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3713 * except.h (eh_region_outermost): New prototype.
3714 * except.c (eh_region_outermost): New function.
3715 * tree-cfg.c (find_outermost_region_in_block): Use it.
3717 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3719 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3721 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3722 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3723 (init_reload, reload): Use VEC instead of VARRAY.
3724 * reload.h: Update the prototype for
3725 reg_equiv_memory_loc_varray.
3727 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3728 Eric Botcazou <ebotcazou@libertysurf.fr>
3730 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3733 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3736 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3737 to expand fallback builtin function call.
3739 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3742 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3743 and emit libcall here in case the builtin fails.
3744 (expand_builtin_strcmp): Always emit the libcall here on failure.
3746 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3748 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3749 * flow.c (reg_n_info): Change the type to
3750 VEC(reg_info_p,heap) *.
3751 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3753 * regs.h (reg_info_p): New.
3754 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3755 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3756 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3759 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3761 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3763 * params.h (MAX_SCHED_READY_INSNS): New macro.
3764 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3765 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3766 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3767 the ready list for 1 cycle during the first scheduling pass.
3768 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3770 2006-04-13 Richard Henderson <rth@redhat.com>
3773 * gimple-low.c (lower_omp_directive): Remove dead code.
3774 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3775 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3776 * omp-low.c (struct omp_region): Move to tree-flow.h.
3777 (root_omp_region): Export.
3778 (omp_regions, lookup_omp_region): Remove.
3779 (determine_parallel_type): Update for struct omp_region changes.
3780 (dump_omp_region): Dump regions with block numbers.
3781 (new_omp_region): Take type and block instead of stmt; malloc
3783 (free_omp_region_1, free_omp_regions): New.
3784 (expand_parallel_call): Take entry_stmt as argument; update for
3785 changes to omp_region.
3786 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3787 (remove_exit_barriers): New.
3788 (expand_omp_parallel): Update for struct omp_region changes.
3789 (expand_omp_synch): Likewise.
3790 (expand_omp): Likewise.
3791 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3792 (expand_omp_for_static_chunk): Likewise.
3793 (expand_omp_for): Likewise.
3794 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3795 (expand_omp_sections): Similarly, with GOMP_sections_end.
3796 (expand_omp_single): New.
3797 (build_omp_regions_1): Update for OMP_CONTINUE.
3798 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3799 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3800 OMP_SECTIONS_SECTIONS.
3801 (lower_omp_single_simple): Don't emit barrier here.
3802 (lower_omp_single_copy): Likewise.
3803 (lower_omp_single): Fix bindings, and lower to straightline now.
3804 (lower_omp_master, lower_omp_ordered): Likewise.
3805 (lower_omp_critical): Likewise.
3806 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3807 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3808 omp edges, free it afterward.
3809 (make_omp_sections_edges): Remove.
3810 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3811 (move_stmt_r): Handle OMP_CONTINUE.
3812 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3813 statement pointers to basic blocks. Add type member.
3814 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3815 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3816 * tree-inline.c (estimate_num_insns_1): Likewise.
3817 * tree-pretty-print.c (dump_generic_node): Likewise.
3818 * tree-ssa-operands.c (get_expr_operands): Likewise.
3819 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3820 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3821 (OMP_CONTINUE): New.
3822 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3823 (OMP_SECTIONS_SECTIONS): Remove.
3824 (OMP_SECTION_LAST): New.
3825 (OMP_RETURN_NOWAIT): New.
3827 2006-04-13 Roger Sayle <roger@eyesopen.com>
3829 * fold-const.c (native_encode_vector, native_interpret_real):
3830 Correct obvious mistakes in the previous check-in.
3832 2006-04-13 Roger Sayle <roger@eyesopen.com>
3834 * fold-const.c (native_encode_expr): New function to encode
3835 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3836 or VECTOR_CST into a specified buffer.
3837 (native_encode_int): New function.
3838 (native_encode_real): New function.
3839 (native_encode_complex): New function.
3840 (native_encode_vector): New function.
3841 (native_interpret_expr): Inverse of native_encode_expr to convert
3842 a target representation into an INTEGER_CST, REAL_CST etc...
3843 (native_interpret_int): New function.
3844 (native_interpret_real): New function.
3845 (native_interpret_complex): New function.
3846 (native_interpret_vector): New function.
3847 (fold_view_convert_expr): New function to constant fold/evaluate
3848 a VIEW_CONVERT_EXPR of a suitable constant expression.
3849 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3850 Change call of build1 to fold_build1 when constructing a
3853 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3854 Ulrich Weigand <uweigand@de.ibm.com>
3857 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3860 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3863 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3864 optimize to lo_sum for DFmode if !TARGET_FPRS.
3866 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3868 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3869 delete_alias_info, compute_flow_sensitive_aliasing,
3870 group_aliases): Use VEC instead of VARRAY.
3871 * tree-ssa-structalias.c (update_alias_info): Likewise.
3872 * tree-ssa-structalias.h (alias_info): Change the type of
3873 processed_ptrs to VEC(tree,heap) *.
3875 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3878 * config/sh/lib1funcs.h: New file, broken out of:
3879 * config/sh/lib1funcs.asm.
3880 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3882 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3883 * config/sh/lib1funcs-Os-4-200.asm: New file.
3884 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3885 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3886 (EXTRA_MULTILIB_PARTS): Include it.
3887 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3888 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3889 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3890 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3893 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3895 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3896 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3897 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3899 * tree-ssa-live.h: Include vecprim.h.
3900 (tree_partition_associator_d): Change the type of
3901 first_partition to VEC(int,heap) *.
3902 (tpa_first_partition): Use VEC instead of VARRAY.
3904 * Makefile.in (GTFILES): Move functions.h after tree.h.
3905 * function.c (reset_block_changes, record_block_change,
3906 check_block_change, free_block_changes): Use VEC instead of
3908 * function.h (function): Change the type of
3909 ib_boundaries_block to VEC(tree,gc) *.
3910 * tree-inline.c (copy_cfg_body): Initialize
3911 ib_boundaries_block to NULL instead of (varray_type) 0.
3913 2006-04-12 Roger Sayle <roger@eyesopen.com>
3915 * expr.c (emit_group_store): Correct operand order in call to
3916 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3917 a SUBREG_BYTE of zero.
3919 2006-04-12 Richard Guenther <rguenther@suse.de>
3921 * profile.c (compute_branch_probabilities): Remove code
3922 encapsulated in !ir_type (), which are remanents of the
3923 removed RTL profiling code.
3924 * rtl-profile.c: Remove.
3926 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3928 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3929 magic NULL_RTX comment.
3930 (function_arg): Store entire fp arg to mem if any part should go
3932 (rs6000_arg_partial_bytes): Adjust for above change.
3934 2006-04-11 Roger Sayle <roger@eyesopen.com>
3936 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3937 if it hasn't been initialized by dwarf2out_init.
3939 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3941 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3942 symbolic constants in branch patterns.
3944 2006-04-11 Roger Sayle <roger@eyesopen.com>
3946 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3948 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3950 PR rtl-optimization/27073
3951 * gcse.c (try_replace_reg): Revert last change. Continue to search
3952 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3955 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3957 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3958 aggregate types other than record and union types.
3959 (function_arg): Likewise.
3960 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3962 (function_value): In 64-bit mode, return objects that require it
3965 2006-04-11 Roger Sayle <roger@eyesopen.com>
3967 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3969 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3971 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3973 2006-04-03 Jeff Law <law@redhat.com>
3976 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3977 alias information too.
3979 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3981 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3983 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3986 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3987 (premark_used_types_helper): New.
3988 (premark_used_types): New.
3989 (gen_subprogram_die): Call premark_used_types.
3990 (prune_unused_types_walk): Do not prune perennial dies.
3991 * function.c (used_types_insert): New.
3992 * function.h (struct function): Add used_types_hash field.
3993 (used_types_insert): Add prototype.
3994 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3995 * c-parser.c (c_parser_cast_expression): Save casted types in used
3998 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4001 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4002 rs6000_explicit_options.float_gprs.
4004 2006-04-10 Roger Sayle <roger@eyesopen.com>
4006 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4007 from ix86_expand_vector_init_low_nonzero. Take an additional
4008 one_var argument indicating which element is non-zero. Support
4009 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4010 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4011 with one_var instead of ix86_expand_vector_init_low_nonzero.
4013 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4015 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4016 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4017 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4018 build/genextract.o): Depend on vecprim.h.
4019 * cfglayout.c, df-problems.c, function.c, genextract.c,
4020 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4021 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4025 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4027 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4028 Declare VECs of this type.
4029 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4030 (remove_children): Delete.
4031 (add_dwarf_attr): Use VEC routines.
4032 (add_AT_flag): Update for changes to add_dwarf_attr.
4033 (add_AT_int): Likewise.
4034 (add_AT_unsigned): Likewise.
4035 (add_AT_long_long): Likewise.
4036 (add_AT_vec): Likewise.
4037 (add_AT_string): Likewise.
4038 (add_AT_die_ref): Likewise.
4039 (add_AT_fde_ref): Likewise.
4040 (add_AT_loc): Likewise.
4041 (add_AT_loc_list): Likewise.
4042 (add_AT_addr): Likewise.
4043 (add_AT_lbl_id): Likewise.
4044 (add_AT_lineptr): Likewise.
4045 (add_AT_macptr): Likewise.
4046 (add_AT_offset): Likewise.
4047 (add_AT_range_list): Likewise.
4048 (get_AT): Use VEC_iterate.
4049 (remove_AT): Use VEC_ordered_remove.
4050 (free_die): Fold remove_children into here; have it use VEC_iterate.
4051 (print_die): Use VEC_iterate on attrs.
4052 (reverse_die_lists): Don't reverse attr lists.
4053 (die_checksum): Use VEC_iterate on attrs.
4054 (same_die_p): Likewise.
4055 (output_location_lists): Likewise.
4056 (build_abbrev_table): Likewise.
4057 (size_of_die): Likewise.
4058 (unmark_all_dies): Likewise.
4059 (output_abbrev_section): Likewise.
4060 (output_die): Likewise.
4061 (prune_unused_types_walk_attribs): Likewise.
4063 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4065 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4067 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4070 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4072 2006-04-09 Roger Sayle <roger@eyesopen.com>
4074 * expr.c (store_constructor): Don't bother clearing target if
4075 we're about to assign a vector to it using vec_init_optab.
4077 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4079 * tree-ssa-alias.c (lhs_may_store_to): New function.
4080 (recalculate_used_alone): Handle LHS of calls.
4082 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4086 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4087 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4088 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4089 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4090 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4091 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4092 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4093 stubs. Add ".align 8" directives before all ".dword" directives.
4094 (GTHREAD_USE_WEAK): Revise comment.
4095 (TARGET_ATTRIBUTE_WEAK): Define.
4096 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4097 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4098 * stublib.c: New file.
4103 * pa.md (cbranch patterns): Revise arguments used in calls to
4104 output_cbranch, output_bb and output_bvd. Add long branch length
4106 (fbranch patterns): Handle long branches.
4107 (jump): Revise length check. Revise arguments for output_lbranch call.
4108 Add long branch length attributes.
4109 (decrement_and_branch_until_zero): Add long branch length attributes.
4110 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4111 Likewise. Revise arguments for output_parallel_addb and
4112 output_parallel_movb calls.
4113 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4114 output_parallel_movb and output_parallel_addb): Update prototypes.
4115 * pa.c (output_cbranch): Revise arguments. Correct handling of
4116 nullification in long branches.
4117 (output_lbranch): Add new argument to control extraction of delay
4119 (output_bb): Handle long branches.
4120 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4121 output_parallel_addb): Likewise.
4123 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4125 PR rtl-optimization/27073
4126 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4129 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4131 * tree.h (tree_memory_tag): Add old_used_alone.
4132 (SMT_OLD_USED_ALONE): New macro.
4133 * tree-ssa-alias.c (recalculate_used_alone): Stop
4134 marking things for renaming unnecessarily.
4136 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4138 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4139 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4140 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4141 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4142 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4143 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4144 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4145 spelling convensions.
4146 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4147 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4148 typos. Follow spelling conventions.
4150 2006-04-07 DJ Delorie <dj@redhat.com>
4152 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4153 passed on the stack.
4154 (m32c_init_cumulative_args): When a function returns a structure,
4155 always pass the pointer to that return area on the stack.
4156 (m32c_function_arg_advance): Don't increment the parameter number
4157 if we're processing the returned structure pointer.
4158 (pushm_info): Reverse order of registers.
4160 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4162 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4163 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4164 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4165 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4167 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4168 chrec_fold_multiply): Same.
4169 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4170 force_expr_to_var_cost): Same.
4171 * tree-mudflap.c (mf_xform_derefs_1): Same.
4172 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4174 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4176 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4177 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4180 2006-04-07 Jan Hubicka <jh@suse.cz>
4182 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4184 2006-04-07 Richard Guenther <rguenther@suse.de>
4186 PR tree-optimization/26135
4187 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4188 loads for store copy-prop.
4189 (copy_prop_visit_stmt): Likewise.
4191 2006-04-05 Robert Millan <robertmh@gnu.org>
4193 * config/i386/linux.h: Add a comment to mark macros that are
4194 being overriden in config/k*bsd-gnu.h.
4195 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4197 * config/knetbsd-gnu.h: Ditto.
4199 2006-04-06 Jan Hubicka <jh@suse.cz>
4203 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4206 2006-04-06 Mike Stump <mrs@apple.com>
4208 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4209 for HAVE_nonlocal_goto to be consistent.
4210 (expand_builtin_nonlocal_goto): Likewise.
4211 (expand_builtin_strcmp): Use #ifdef instead of #if
4212 for HAVE_cmpstrnsi to be consistent.
4214 2006-04-05 DJ Delorie <dj@redhat.com>
4216 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4219 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4221 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4222 got-relative addressing for anything but SImode.
4224 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4225 even if the calling function doesn't modify them.
4227 2006-04-05 Richard Guenther <rguenther@suse.de>
4229 PR tree-optimization/26919
4230 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4231 to cgraph_estimate_size_after_inlining.
4233 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4235 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4237 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4239 PR tree-optimization/26996
4240 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4241 VECTOR_TYPE variables.
4243 2006-04-05 Richard Guenther <rguenther@suse.de>
4245 PR tree-optimization/26763
4246 * fold-const.c (fold_comparison): Move folding of
4247 PTR + CST CMP PTR + CST ...
4248 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4250 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4252 * doc/install.texi (Prerequisites): Refine some wording on
4253 bootstrapping and ksh.
4254 Move the version numbers of DejaGnu here from the testing section
4255 and fix casing of names.
4256 Fix markup and clarify wording for autogen requirements.
4257 Refer to GCJ instead of just java.
4258 Refer to SVN instead of CVS.
4259 Describe diffutils as useful instead of necessary.
4260 (Downloading the source): Refer to SVN instead of CVS.
4261 Adjust a link to our web site accordingly.
4262 (Configuration): Fix casing of Bison.
4263 (Building): Refer to SVN instead of CVS.
4264 Fix a sentence on the use of Bison and remove duplicate (and
4265 incorrect) version number of Bison requirement.
4266 Remove one redundant list of packages needed for building.
4267 (Specific): Avoid reference to CVS.
4269 2006-04-04 Eric Christopher <echristo@apple.com>
4271 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4272 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4273 (rs6000_handle_struct_attribute): New.
4274 (rs6000_ms_bitfield_layout_p): Ditto.
4276 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4278 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4279 NULL for dso parameter to atexit_common.
4281 2006-04-04 Eric Christopher <echristo@apple.com>
4283 * config/i386/i386.c (machopic_output_stub): Output \t
4284 between instructions and operands.
4286 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4288 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4289 satisfies_constraint_[IL] to explicit tests on value.
4291 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4293 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4294 set_nb_iterations_in_loop): Use build_int_cst instead of
4296 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4297 build_int_cst instead of convert.
4299 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4301 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4302 new value 2 for incoming.
4303 * function.c (expand_function_start): Call struct_value_rtx
4305 * config/sparc/sparc.md: Comment updated_return.
4306 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4307 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4308 struct return if sparc_std_struct_return and incoming is 2.
4309 (print_operand): Do not adjust return if
4310 sparc_std_struct_return.
4312 2006-04-04 Roger Sayle <roger@eyesopen.com>
4314 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4315 convert in the middle-end.
4316 * expr.c (store_expr, store_constructor, get_inner_reference,
4317 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4319 * tree.c (build_range_type): Likewise.
4321 2006-04-04 Tom Tromey <tromey@redhat.com>
4323 * doc/install.texi (Prerequisites): Mention jar.
4325 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4327 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4330 2006-04-04 Matthias Klose <doko@debian.org>
4332 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4333 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4336 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4338 * doc/extend.texi (Function Attributes): Rewrite visibility
4339 attribute documentation.
4340 * doc/invoke.texi (C++ Dialect Options): Rewrite
4341 -fvisibility-inlines-hidden documentation to describe something
4342 entirely different, although in practise compatible.
4343 (Code Gen Options): Warn about system headers in -fvisibility=
4346 * doc/extend.texi (Other Builtins): Document that
4347 __builtin_nan is a compile-time constant only when its argument
4350 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4352 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4353 trying to remove TRUNCATE check if all bits outside the new mode
4354 are identical to the sign bit.
4356 2006-04-03 Jeff Law <law@redhat.com>
4358 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4359 and operand scanning in some common cases.
4361 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4362 Dale Johannesen <dalej@apple.com>
4365 * regclass.c (struct reg_pref): Update documentation.
4366 (regclass): Set prefclass to NO_REGS if memory is the best option.
4367 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4368 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4369 into account. For non-registers, equate an empty preferred
4370 reload class to a `!' in the constraint; move the if clause to
4371 do so after those that reject the insn.
4372 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4374 (find_dummy_reload): Likewise.
4375 * doc/tm.texi (Register Classes): Document what it means
4376 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4377 * config/i386/i386.c (ix86_preferred_reload_class): Force
4378 using SSE registers (and return NO_REGS for floating-point
4379 constants) if math is done with SSE.
4380 (ix86_preferred_output_reload_class): New.
4381 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4382 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4383 * config/i386/i386.md: Remove # register preferences.
4385 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4388 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4389 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4390 the type of nb_iter.
4391 (instantiate_parameters_1): Convert the operands before calling
4392 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4393 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4395 2006-04-02 Roger Sayle <roger@eyesopen.com>
4397 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4398 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4400 * dojump.c (do_jump): Likewise.
4401 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4402 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4403 gimplify_boolean_expr): Likewise.
4404 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4405 * varasm.c (array_size_for_constructor): Likewise.
4406 * tree-object-size.c (compute_object_offset): Likewise.
4408 2006-04-02 Roger Sayle <roger@eyesopen.com>
4411 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4412 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4414 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4416 PR tree-optimization/26939
4417 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4419 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4421 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4422 at_stmt. Convert the type of operands before calling
4423 build_polynomial_chrec.
4424 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4426 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4427 (instantiate_parameters_1): Convert the type of operands before calling
4428 build_polynomial_chrec.
4429 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4430 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4431 reset_evolution_in_loop): Insert asserts to check the types of the
4433 (chrec_type): Moved...
4434 (eq_evolutions_p): Use operand_equal_p.
4435 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4436 the types of the operands.
4437 (chrec_type): ...here.
4438 * tree-data-ref.c (create_data_ref): Convert the operands before
4439 calling chrec_replace_initial_condition.
4440 (same_access_functions, analyze_subscript_affine_affine,
4441 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4442 (compute_subscript_distance, analyze_ziv_subscript,
4443 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4444 analyze_miv_subscript): Convert the operands before calling
4445 chrec_fold_minus or chrec_fold_plus.
4447 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4449 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4450 the dependence_relations vector.
4451 (compute_data_dependences_for_loop): Adjust call to
4452 compute_all_dependences.
4454 2006-04-01 Roger Sayle <roger@eyesopen.com>
4455 Richard Henderson <rth@redhat.com>
4457 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4458 gimple_boolify on the condition before calling gimplify_expr.
4460 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4462 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4463 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4464 the frame size. Update to use the new macros.
4465 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4466 * config/xtensa/ieee754-df.S: Likewise.
4468 2006-03-31 Richard Henderson <rth@redhat.com>
4470 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4471 (make_edges): ... here. Control fallthru creation with a local
4472 variable. Do not play with fake edges.
4473 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4474 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4477 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4479 * dwarf2.h (DW64_CIE_ID): Define.
4480 * dwarf2out.c (DWARF_CIE_ID): Define.
4481 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4482 length header. Use DWARF_CIE_ID.
4483 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4484 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4486 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4488 * config/sh/linux-atomic.asm: New file.
4489 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4491 2006-03-31 DJ Delorie <dj@redhat.com>
4493 * config/m32c/cond.md: Set condition flags properly throughout.
4494 * config/m32c/minmax.md: Likewise.
4495 * config/m32c/prologue.md: Likewise.
4496 * config/m32c/bitops.md: Likewise.
4497 * config/m32c/muldiv.md: Likewise.
4498 * config/m32c/mov.md: Likewise.
4499 * config/m32c/addsub.md: Likewise.
4500 * config/m32c/m32c.md: Likewise.
4501 * config/m32c/jump.md: Likewise.
4502 * config/m32c/shift.md: Likewise.
4504 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4505 conditionally output the pattern for this.
4506 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4507 (m32c_compare_redundant): New.
4508 (m32c_output_compare): New.
4509 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4511 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4512 dest, not src. Allow other 4-byte modes.
4514 2006-03-30 Denis Chertykov <denisc@overta.ru>
4516 * doc/md.texi: Refer to avr/constraints.md instead of
4519 2006-03-30 Roger Sayle <roger@eyesopen.com>
4521 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4522 signed vs. unsigned comparison failures on some hosts.
4524 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4527 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4528 change to FLOAT_REGS.
4530 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4531 (rs6000_override_options): Use it.
4532 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4533 only for -mabi=spe/no-spe and -mabi=altivec.
4535 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4537 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4540 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4542 * Makefile.in: Rename docdir to gcc_docdir.
4544 2006-03-30 Roger Sayle <roger@eyesopen.com>
4547 * expr.c (emit_group_store): Optimize group stores into a pseudo
4548 register by using a paradoxical subreg to initialize the destination
4549 if the first or last member of the group specifies a "low part".
4551 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4554 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4555 * target.h (struct gcc_target.speculate_insn): Change type of the
4556 second parameter to 'int'.
4557 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4558 the second operand of the DEPS_LIST.
4559 (copy_DEPS_LIST_list): Update reference to the second operand of the
4561 * rtl.h (alloc_DEPS_LIST): Update signature.
4562 * sched-int.h (ds_t): Change typedef to 'int'.
4563 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4565 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4567 * haifa-sched.c (try_ready): Change condition to restore
4568 non-speculative pattern of the instruction.
4569 (process_insn_depend_be_in_spec): Code to keep probability of the
4570 speculative dependence non-decreasing.
4572 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4574 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4575 (single_move_for_movmem): ... this. Also change all uses.
4576 (bfin_expand_strmov): Renamed to...
4577 (bfin_expand_movmem): ... this. Also change all uses.
4578 * config/bfin/bfin.md (movstrsi): Renamed to...
4579 (movstrsi): ...this.
4581 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4583 PR tree-optimization/26830
4585 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4586 (copy_prop_visit_stmt): Remove write-only variable ann.
4587 (init_copy_prop): Check variable loop depth here. Do not simulate
4588 memory-tag and virtual operand PHIs except for store copy prop.
4590 2006-03-30 Richard Guenther <rguenther@suse.de>
4592 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4593 variants with double arguments.
4595 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4597 * genpreds.c (write_tm_constrs_h): Delete variable p.
4598 * genconditions.c (write_header): Add tm-constrs.h to included
4600 * genpeep.c (main): Add toplev.h to included headers.
4601 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4602 (build/genpeep.o): Add toplev.h dependency.
4603 * config/rs6000/constraints.md: Add "W" constraint.
4605 2006-03-29 Roger Sayle <roger@eyesopen.com>
4607 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4608 sizes by correctly testing whether the size fits a host integer.
4609 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4610 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4611 SImode range for the default sizetype and bitsizetype.
4613 2006-03-29 Roger Sayle <roger@eyesopen.com>
4615 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4616 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4617 quickly if the argument is already of the correct type.
4618 Call fold_build1 instead of build1. Tidy up blank lines.
4620 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4622 * genemit.c (main): Add tm-constrs.h to included headers.
4623 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4624 * genpeep.c (main): Add tm-constrs.h to included headers.
4625 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4626 (write_tm_constrs_h): this and write complete file.
4627 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4628 (write_insn_preds_c): Add tm-constrs.h to included headers.
4629 (gen_constrs): New variable.
4630 (parse_option): Parse "-c".
4631 (main): Invoke write_tm_constrs_h.
4632 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4633 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4634 (object_out_file): Add tm-constrs.h dependency.
4635 (insn-emit.o): Same.
4636 (insn-output.o): Same.
4637 (insn-peep.o): Same.
4638 (insn-preds.o): Same.
4639 (insn-recog.o): Same.
4640 (tm-constsr.h): New target.
4641 (s-constrs-h): New target.
4643 * config/rs6000/constraints.md: New file.
4644 * config/rs6000/rs6000.c: Include tm-constrs.h.
4645 (num_insn_constant_wide): Convert to satisfies_constraint.
4646 (rs6000_rtx_costs): Convert to satisfies_constraint.
4647 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4648 (CONST_OK_FOR_LETTER_P): Delete.
4649 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4650 (EXTRA_CONSTRAINT): Delete.
4651 (EXTRA_MEMORY_CONSTRAINT): Delete.
4652 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4653 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4654 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4655 satisfies_constraint.
4657 * config/i386/i386.c: Include tm-constrs.h.
4659 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4661 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4662 * tree-data-ref.c (find_data_references_in_loop,
4663 compute_data_dependences_for_loop): Use pointers to VEC.
4664 (analyze_all_data_dependences): Adjust calls.
4665 * tree-data-ref.h (find_data_references_in_loop,
4666 compute_data_dependences_for_loop): Adjust declarations.
4667 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4668 compute_data_dependences_for_loop.
4670 2006-03-29 Paul Brook <paul@codesourcery.com>
4672 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4675 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4677 PR tree-optimization/26859
4678 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4680 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4681 for the step after fold_convert.
4683 2006-03-29 Paul Brook <paul@codesourcery.com>
4685 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4686 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4688 2006-03-29 Paul Brook <paul@codesourcery.com>
4691 * targhooks.c (default_narrow_bitfield): New fuction.
4692 * targhooks.h (default_narrow_bitfield): add prototype.
4693 * target.h (gcc_target): Add narrow_volatile_bitfield.
4694 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4695 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4696 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4697 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4699 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4701 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4703 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4704 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4705 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4706 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4707 (s390_function_arg_float): Allow SDmode and DDmode values to be
4708 passed in floating point registers.
4709 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4710 check with SCALAR_FLOAT_MODE_P.
4711 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4713 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4715 PR tree-optimization/25985
4716 * tree-ssa-loop-niter.c (number_of_iterations_le,
4717 number_of_iterations_ne): Make comments more precise.
4718 (number_of_iterations_cond): Add only_exit argument. Use the
4719 fact that signed variables do not overflow only when only_exit
4721 (loop_only_exit_p): New.
4722 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4723 number_of_iterations_cond.
4725 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4727 PR tree-optimization/26643
4728 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4731 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4733 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4734 (divsi3_i4_int): Likewise.
4736 2006-03-28 Roger Sayle <roger@eyesopen.com>
4738 * expr.c (emit_group_store): Only create a new pseudo reg if the
4739 quantity it needs to hold isn't already a suitable pseudo.
4741 2006-03-28 Jeff Law <law@redhat.com>
4743 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4744 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4746 2006-03-28 Roger Sayle <roger@eyesopen.com>
4748 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4749 the equivalent ~X & Y, and the symmetry related transformations.
4750 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4751 ~X & Y, and symmetry related transforms.
4753 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4755 Revert my 2006-03-27 patches.
4757 2006-03-28 Roger Sayle <roger@eyesopen.com>
4759 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4760 ~(T1)X, when T1 and T2 are integer types of the same precision
4761 and (T2)X isn't an extension.
4763 2006-03-28 Jeff Law <law@redhat.com>
4765 PR tree-optimization/26796
4766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4767 need EH edge cleanups rather than purging them immediately.
4768 (eliminate_degenerate_phis): Handle queued EH cleanups.
4770 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4772 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4775 2006-03-27 Roger Sayle <roger@eyesopen.com>
4778 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4779 cast BIT_NOT_EXPR operand to the correct type.
4781 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4783 * tree-loop-linear.c: Don't include varray.h.
4784 (gather_interchange_stats, try_interchange_loops,
4785 linear_transform_loops): Use VEC instead of VARRAY.
4786 * lambda-mat.c: Don't include varray.h.
4787 * tree-chrec.c: Same.
4788 * lambda-trans.c: Same.
4789 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4790 VEC instead of VARRAY.
4791 * tree-vectorizer.h: Idem.
4792 * tree-data-ref.c (dump_data_references,
4793 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4794 initialize_data_dependence_relation, finalize_ddr_dependent,
4795 compute_all_dependences, find_data_references_in_loop,
4796 compute_data_dependences_for_loop, analyze_all_data_dependences,
4797 free_dependence_relation, free_dependence_relations,
4798 free_data_refs): Idem.
4799 * tree-data-ref.h (data_reference_p, subscript_p): New.
4800 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4801 VEC instead of VARRAY.
4802 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4803 (find_data_references_in_loop, compute_data_dependences_for_loop,
4804 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4805 dump_data_dependence_relations, free_dependence_relations,
4806 free_data_refs): Adjust declaration.
4807 (lambda_transform_legal_p): Move declaration here...
4808 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4809 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4810 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4811 vect_analyze_data_refs): Use VEC instead of VARRAY.
4812 * lambda.h (lambda_transform_legal_p): ...from here.
4813 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4814 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4815 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4816 tree-chrec.o): Don't depend on VARRAY_H.
4818 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4820 * rtl.def (Copyright): Update date.
4821 (DEPS_LIST): Change type of the second operand to 'int'.
4822 * target.h (Copyright): Update date.
4823 (struct gcc_target.speculate_insn): Change type of the second parameter
4825 * lists.c (Copyright): Update date.
4826 (alloc_DEPS_LIST): Change signature. Update reference to the second
4827 operand of the DEPS_LIST.
4828 (copy_DEPS_LIST_list): Update reference to the second operand of the
4830 * rtl.h (Copyright): Update date.
4831 (alloc_DEPS_LIST): Update signature.
4832 * sched-int.h (Copyright): Update date.
4833 (ds_t): Change typedef to 'int'.
4834 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4836 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4838 * haifa-sched.c (Copyright): Update date.
4839 (try_ready): Change condition to restore non-speculative pattern
4841 (process_insn_depend_be_in_spec): Code to keep probability of the
4842 speculative dependence non-decreasing.
4844 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4846 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4847 shut up the compiler.
4849 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4851 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4852 to use lib prefix for target.
4853 ($(T)libic_invalidate_array_4-200.a): Likewise.
4854 ($(T)libic_invalidate_array_4a.a): Likewise.
4856 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4857 J"orn Rennecke <joern.rennecke@st.com>
4859 * superh.opt: New file.
4860 * sh.c (boardtype, osruntime): Remove.
4861 * superh.h (SUBTARGET_OPTIONS): Remove.
4862 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4864 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4865 arguments with ^ and/or [].
4867 * config.gcc (sh-*-*): Add quoting to account for quirk of
4869 Replace == with = in enable_incomplete_targets test.
4871 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4872 with MASK_LITTLE_ENDIAN.
4874 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4875 * config/sh/sh.opt: Added to some comments.
4876 * config/sh/superh.h: Removed some chaff.
4878 * config/sh/sh.opt: Add m4-[1234]00* options.
4879 * config/sh/sh.c (sh_handle_option): Likewise.
4880 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4881 (ic_invalidate_array_4-100.o): New rule.
4882 ($(T)libic_invalidate_array_4-100.a): Likewise.
4883 (ic_invalidate_array_4-200.o): Likewise.
4884 ($(T)libic_invalidate_array_4-200.a): Likewise.
4885 (ic_invalidate_array_4a.o): Likewise.
4886 ($(T)libic_invalidate_array_4a.a): Likewise.
4887 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4888 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4890 * config/sh/crt1.asm: Merged in profiling code.
4891 * config/sh/superh.h (STARTFILE_SPEC): Override.
4892 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4893 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4894 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4896 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4897 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4898 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4900 * sh.opt (mpretend-cmove): New option.
4901 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4902 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4903 (movsicc): Add TARGET_PRETEND_CMOVE code.
4905 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4907 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4908 s390_class_max_nregs): New function prototypes.
4909 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4910 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4911 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4912 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4914 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4916 * dwarf2out.c (add_location_or_const_value_attribute): Call
4917 tree_add_const_value_attribute if nothing else works.
4918 (reference_to_unused): New.
4919 (rtl_for_decl_init): Use reference_to_unused to decide whether
4920 to output an initializer.
4922 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4925 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4926 peephole removing spe frob_di_df_2.
4928 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4930 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4931 (subscript_dependence_tester_1): Declared.
4932 (print_dir_vectors, print_dist_vectors): New.
4933 (debug_data_dependence_relation): New.
4934 (dump_data_dependence_relation): Print more details.
4935 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4936 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4937 (save_dist_v, save_dir_v, add_outer_distances,
4938 build_classic_dist_vector_1): New.
4939 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4940 Don't test for lambda_vector_lexico_pos.
4941 (same_access_functions, add_multivariate_self_dist,
4942 add_other_self_distances, dir_from_dist): New.
4943 (build_classic_dir_vector): Replace implementation almost identical to
4944 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4946 (subscript_dependence_tester_1): New.
4947 (subscript_dependence_tester): Handle the lexicographically negative
4948 distance vectors by recomputing the dependence relation.
4949 (compute_affine_dependence): Remove parameter loop_nest_depth.
4950 (compute_self_dependence): Don't call compute_subscript_distance.
4951 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4952 Add a parameter for the loop_nest.
4953 (find_loop_nest_1, find_loop_nest): New.
4954 (compute_data_dependences_for_loop): Compute the loop nest, and give
4955 up if the nest is not well formed.
4956 * tree-data-ref.h (loop_p): New.
4957 (struct data_dependence_relation): Replace size_vect field with
4958 loop_nest, a vec of loops.
4959 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4960 (DDR_LOOP_NEST): New.
4961 (print_dir_vectors, print_dist_vectors,
4962 debug_data_dependence_relation): Declared.
4963 (index_in_loop_nest): New.
4964 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4965 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4968 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4970 * simplify-rtx.c (simplify_relational_operation): Call
4971 simplify_relational_operation_1 even if mode is VOIDmode.
4973 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4975 PR tree-optimization/26804
4976 * tree.h (DECL_CALL_CLOBBERED): New macro.
4977 (tree_decl_common): Add call_clobbered_flag.
4978 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4979 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4980 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4981 (mark_non_addressable): Ditto.
4982 * tree-ssa.c (verify_call_clobbered): New function.
4983 (verify_alias_info): Use it.
4984 * tree-pass.h (pass_reset_cc_flags): New prototype.
4985 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4986 (reset_cc_flags): New function.
4987 * passes.c (init_optimization_passes): Call reset_cc_flags after
4988 initializing referenced_vars.
4990 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4991 Roger Sayle <roger@eyesopen.com>
4994 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4995 to 1.0 for non-real operands. Implement A / A optimization for
4998 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5000 * config/i386/i386.c (size_cost): Correct the comment for
5001 cost of storing fp registers.
5002 (i386_cost): Likewise.
5003 (i486_cost): Likewise.
5004 (pentium_cost): Likewise.
5005 (pentiumpro_cost): Likewise.
5006 (k6_cost): Likewise.
5007 (athlon_cost): Likewise.
5008 (k8_cost): Likewise.
5009 (pentium4_cost): Likewise.
5010 (nocona_cost): Likewise.
5011 (generic64_cost): Likewise.
5012 (generic32_cost): Likewise.
5014 2006-03-24 Denis Chertykov <denisc@overta.ru>
5016 * config/avr/avr-protos.h (extra_constraint): Delete.
5017 (extra_constraint_Q): New declaration.
5018 * config/avr/constraints.md: New file.
5019 * config/avr/avr.md: Include it.
5020 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5021 (TMP_REGNO, ZERO_REGNO): Likewise.
5022 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5023 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5024 (extra_constraint): Delete.
5025 (extra_constraint_Q): Test for memory constraint 'Q'.
5026 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5027 (REG_CLASS_FROM_LETTER): Delete.
5028 (CONST_OK_FOR_LETTER_P): Delete.
5029 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5030 (EXTRA_CONSTRAINT): Delete.
5031 (TMP_REGNO): Delete.
5032 (ZERO_REGNO): Delete.
5034 2006-03-24 Jeff Law <law@redhat.com>
5036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5037 directly. Call mark_new_vars_to_rename slightly earlier.
5039 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5041 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5043 (gen_compile_unit_die): Use new language types for Objective-C and
5045 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5046 DW_LANG_C_plus_plus.
5049 * config/t-darwin (crt3.o): Work around bug 26840.
5050 * config/darwin-crt3.c: Rewrite.
5051 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5053 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5055 * doc/invoke.texi: Document -femit-class-debug-always
5056 * common.opt: Add -femit-class-debug-always.
5058 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5060 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5061 index and base register.
5062 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5063 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5064 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5065 REGNO_OK_FOR_INDEX_P.
5066 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5068 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5069 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5070 REG_OK_FOR_BASE_P): Definitions removed.
5072 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5075 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5076 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5077 set yet or weren't marked as local yet.
5079 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5081 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5084 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5086 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5087 (rs6000_legitimate_small_data_p): Delete.
5088 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5089 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5090 and make static. Add forward declaration. Update uses.
5091 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5092 of offsettable_memref_p.
5093 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5094 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5096 2006-03-24 Jeff Law <law@redhat.com>
5098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5099 around bug in immediate-use iterator.
5101 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5104 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5105 or __LITTLE_ENDIAN__.
5107 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5109 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5110 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5111 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5112 * config/sh/sh.opt (mdiv=): Amend description.
5113 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5114 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5115 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5116 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5117 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5118 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5119 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5120 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5121 TARGET_DIVIDE_CALL_FP.
5123 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5125 * haifa-sched.c (choose_ready): Fix type of the local variable.
5126 Move local variables. Add comment.
5127 (check_reg_live): Change signature. Make callable from debugger.
5128 * sched-int.h (check_reg_live): Update signature.
5129 * sched-ebb.c (check_reg_live): Update parameters.
5130 * sched-rgn.c (check_reg_live): Ditto.
5131 (region_head_or_leaf_p): Check pointer before dereferencing.
5132 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5133 before reload on optimization levels below 1.
5135 2006-03-23 Richard Henderson <rth@redhat.com>
5137 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5141 * config/alpha/predicates.md (local_symbolic_operand): Reject
5144 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5147 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5148 expressions which have overflowed constants.
5150 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5152 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5154 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5156 * cfgloopmanip.c (create_loop_notes): Removed.
5157 * final.c (final_scan_insn): Do not handle loop notes.
5158 * jump.c (squeeze_notes): Ditto.
5159 * cfglayout.c (skip_insns_after_block,
5160 duplicate_insn_chain): Ditto.
5161 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5163 * cfgloop.h (create_loop_notes): Declaration removed.
5165 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5167 * varasm.c (output_constant_pool): Restore fnname and fndecl
5169 (assemble_start_function): Adjust call accordingly.
5170 (assemble_end_function): Likewise.
5172 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5175 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5178 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5180 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5183 * system.h (ICE_EXIT_CODE): New macro.
5184 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5185 (diagnostic_action_after_output): Likewise.
5186 * gcc.c (fatal_ice): New function.
5187 (execute): Use it instead of fatal.
5188 (fancy_abort): Likewise.
5189 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5191 2006-03-22 Jeff Law <law@redhat.com>
5193 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5194 iv_analyze_result returning false.
5196 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5198 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5200 2006-03-22 Richard Henderson <rth@redhat.com>
5203 * except.c (duplicate_eh_regions_0): New.
5204 (duplicate_eh_region_1): Duplicate the children of the node as
5205 well as the node itself. Link them up properly.
5206 (duplicate_eh_region_2): Merge into ...
5207 (duplicate_eh_regions): ... here. Take copy_region argument, and
5208 copy only a sub-tree if asked. Simplify copying and fixup.
5209 (eh_region_outer_p): New.
5210 * except.h (duplicate_eh_regions): Update decl.
5211 (eh_region_outer_p): Declare.
5212 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5213 (lower_omp_master): Likewise.
5214 (lower_omp_ordered): Likewise.
5215 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5216 (move_stmt_r): Use it to remap labels. Handle recursion vs
5217 remap_decls_p properly.
5218 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5219 (find_outermost_region_in_block): New.
5220 (new_label_mapper): New.
5221 (move_sese_region_to_fn): Copy eh information to the new function
5223 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5225 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5228 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5230 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5231 into shared libraries.
5233 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5235 * doc/md.texi: Refer to i386/constraints.md instead of
5237 * config/i386/constraints.md: New file, extracted from...
5238 * config/i386/predicates.md: ...here.
5239 * config/i386/i386.md: Include constraints.md.
5241 2006-03-21 Jason Merrill <jason@redhat.com>
5243 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5246 * expr.c (init_block_move_fn): Force default visibility.
5247 (init_block_clear_fn): Likewise.
5248 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5249 * targhooks.c (default_external_stack_protect_fail): Likewise.
5251 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5253 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5254 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5255 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5256 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5257 (loadgp): Use mips_current_loadgp_style.
5258 (loadgp_noshared): New pattern.
5259 (sibcall_internal): Use MIPS_CALL.
5260 (sibcall_value_internal): Likewise.
5261 (sibcall_value_multiple_internal): Likewise.
5262 (call_internal): Likewise.
5263 (call_value_internal): Likewise.
5264 (call_value_multiple_internal): Likewise.
5265 (call_split): Use MIPS_CALL and add an 'S' constraint.
5266 (call_value_split): Likewise.
5267 (call_value_multiple_split): Likewise.
5268 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5269 (-mshared): New option.
5270 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5271 (mips_current_loadgp_style): Declare.
5272 * config/mips/mips.c (mips_classify_symbol): Avoid using
5273 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5274 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5275 TARGET_ABSOLUTE_ABICALLS.
5276 (override_options): Adjust comments. Improve the warning that is
5277 issued when -mabicalls and -G are used together.
5278 (mips_file_start): Remove comment.
5279 (mips_current_loadgp_style): New function.
5280 (mips_gnu_local_gp): New variable.
5281 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5283 (mips_output_function_prologue): Use mips_current_laodgp_style.
5284 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5285 the cprestore instruction.
5286 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5287 live for TARGET_ABSOLUTE_ABICALLS.
5288 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5289 (ASM_SPEC): Pass down -mshared and -mno-shared.
5290 (MIPS_CALL): New macro.
5291 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5293 * doc/invoke.texi (-mabicalls): Update documentation.
5294 (-mshared): Document.
5296 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5298 * config/ia64/unwind-hpux.c: New file.
5299 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5301 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5304 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5306 2006-03-21 Jeff Law <law@redhat.com>
5308 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5309 type conversions of a VR_VARYING source to a wider type.
5311 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5313 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5314 tm_file on Solaris 10 and later.
5315 (sparc64-*-solaris2*): Likewise.
5316 (sparc-*-solaris2*): Likewise.
5317 * config/sol26.h: Rename to config/sol2-6.h.
5318 * config/sol2-10.h: New file.
5320 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5323 * tree-ssa-pre.c (create_component_ref_by_pieces):
5326 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5329 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5330 return it immediately.
5332 2006-03-21 Michael Matz <matz@suse.de>
5334 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5336 (remove_arc, add_arc): Update num_out_arcs member.
5337 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5339 (cache_presence): New function.
5340 (compare_states_for_equiv): New function.
5341 (state_is_differed): Don't take number of outargs, adjust callers.
5342 Use new invariant for speeding up.
5343 (init_equiv_class): Create initial classes based on sorted
5345 (partition_equiv_class): Don't track out_arcs_num.
5346 (evaluate_equiv_classes): Call cache_presence on all states and
5349 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5351 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5352 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5353 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5354 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5356 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5357 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5358 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5359 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5360 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5362 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5363 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5364 (REGNO_REG_CLASS): ARGP is in PREGS.
5365 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5367 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5368 to deal with those addresses.
5369 * addresses.h: New file.
5370 * caller-save.c: Include "addresses.h".
5371 (init_caller_save): Use new base_reg_class function.
5372 * rtl-factoring.c: Include "addresses.h".
5373 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5374 * recog.c: Include "addresses.h".
5375 (preprocess_constraints): Use new base_reg_class function.
5376 * regrename.c: Include "addresses.h".
5377 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5378 functions. Keep track of a new var INDEX_CODE to compute valid
5380 (replace_oldest_value_addr): Likewise.
5381 (replace_oldest_value_mem): Use base_reg_class.
5382 * reload.c: Include "addresses.h".
5383 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5384 (find_reloads): Use new base_reg_class function.
5385 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5386 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5387 all callers and prototype changed.
5388 * reload1.c: Include "addresses.h".
5389 (maybe_fix_stack_asms): Use base_reg_class.
5390 * regclass.c: Include "addresses.h".
5391 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5392 (init_reg_autoinc): Use new base_reg_class function.
5393 (record_reg_classes): Likewise.
5394 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5395 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5396 Use new args to compute necessary class.
5398 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5399 regrename.o, rtl-factoring.o): Update dependencies.
5400 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5401 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5402 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5403 REG_OK_FOR_INDEX_P): Delete documentation.
5405 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5407 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5408 from V7 to V9 for Solaris 7 and above.
5410 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5412 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5413 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5414 argument pointers may not alias any other storage.
5415 * common.opt: Define option -fargument-noalias-anything.
5416 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5417 alias semantics is specified by flag_argument_noalias > 2.
5419 2006-03-20 Jeff Law <law@redhat.com>
5421 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5422 (pass_phi_only_cprop): Declare.
5423 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5425 * tree-ssa-dom.c (degenerate_phi_result): New function.
5426 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5427 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5428 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5429 (eliminate_degenerate_phis): Likewise.
5430 (pass_phi_only_cprop): New pass descriptor.
5431 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5432 support code. Callers updated.
5433 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5434 (store_copy_prop): Likewise.
5435 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5437 2006-03-20 Jason Merrill <jason@redhat.com>
5440 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5441 (push_visibility, pop_visibility): Likewise.
5442 * c-pragma.h: Declare them.
5444 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5446 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5448 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5449 parameter and use get_ebb_head_tail.
5450 (sh_md_init_global): Adjust uses of find_regmode_weight.
5452 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5454 * function.h (struct function) <x_tail_recursion_reentry>:
5455 Rename to x_stack_check_probe_note.
5456 (tail_recursion_reentry): Rename to stack_check_probe_note.
5457 * function.c: Replace tail_recursion_reentry with
5458 stack_check_probe_note everywhere.
5459 (expand_function_start): Only emit a note for
5460 stack_check_probe_note with -fstack-protect.
5461 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5463 * emit-rtl.c (remove_unnecessary_notes): Remove.
5464 (pass_remove_unnecessary_notes): Remove.
5465 * rtl.h (remove_unnecessary_notes): Remove prototype.
5466 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5467 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5468 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5470 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5473 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5474 (valid_in_set): Handle ARRAY_REF.
5475 Change "if min_variant or VH" to asserts.
5476 (create_component_ref_by_pieces): Handle ARRAY_REF.
5477 (create_expression_by_pieces): Likewise.
5478 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5480 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5482 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5483 is operand of switch, not str[0].
5485 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5487 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5488 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5490 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5492 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5493 end of insn_extra_address_constraint declaration.
5495 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5497 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5498 (no-sum-in-toc): Same.
5499 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5501 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5502 NO_FP_IN_TOC for -fPIC instead of mask.
5504 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5505 (BOOT_LDFLAGS): Delete.
5507 * config/rs6000/t-aix52: Same.
5509 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5510 (stmsi[345678]_power): New.
5512 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5514 * config/ia64/ia64.opt: Add empty line to end of file.
5516 2006-03-17 Richard Guenther <rguenther@suse.de>
5519 * builtins.c (get_pointer_alignment): For component style references
5520 adjust alignment to the component type alignment. Make sure
5521 to adjust alignment for component access of constants.
5523 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5525 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5528 2006-03-17 Paul Brook <paul@codesourcery.com>
5530 * doc/install.texi: Docuemnt --with-mode.
5531 * config.gcc: Add --with-mode for arm*-*-*.
5532 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5534 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5536 * sh.c (max_labelno_before_reorg): New variable.
5537 (sh_reorg): Initialize it.
5538 (find_barrier): Check max_labelno_before_reorg before using
5539 label_to_alignment. Take length of explicit alignment insns
5540 into account. When seeing a UNSPECV_CONST_END, return it.
5542 * sh.c (fixup_mova): Set mode of affected label to QImode.
5543 (untangle_mova): New function.
5544 (find_barrier): Use it. Check mode of label before decrementing
5546 (sh_reorg): Likewise.
5547 Set mode of all insns back to VOIDmode.
5549 * sh.c (MOVA_LABELREF): New macro.
5550 (mova_p, fixup_mova, sh_reorg): Use it.
5551 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5552 ADDR_DIFF_VEC matches mova.
5554 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5556 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5557 with ATTRIBUTE_UNUSED.
5559 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5561 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5562 pointer, instead of assuming it is possible to derive the
5563 correct args size from a call insn.
5565 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5567 * rtl.h (CONST_INT_P): Define.
5568 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5569 instead of GET_CODE(x) == CONST_INT.
5570 (vax_rtx_costs): Likewise.
5571 (vax_output_int_move): Likewise.
5572 (vax_output_int_add): Likewise.
5573 (legitimate_constant_address_p): Likewise.
5574 (index_term_p): Likewise.
5575 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5576 * config/vax/vax.md (and<mode>3): Likewise.
5577 (ashrsi3): Likewise.
5579 (movstricthi): Likewise.
5580 (movstrictqi): Likewise.
5581 (rotrsi3): Likewise.
5582 (five unnamed insns): Likewise.
5584 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5586 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5587 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5588 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5589 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5590 Pass to ASM_OUTPUT_DWARF_OFFSET.
5591 * dwarf2out.c (debug_frame_section): New.
5592 (output_call_frame_info): Use debug_frame_section. Pass it to
5593 dw2_asm_output_offset.
5594 (output_die): Pass appropriate section to dw2_asm_output_offset.
5595 (output_compilation_unit_header): Likewise.
5596 (output_pubnames): Likewise.
5597 (output_aranges): Likewise.
5598 (enum dw_val_class): Break dw_val_class_lbl_offset into
5599 dw_val_class_lineptr and dw_val_class_macptr.
5600 (add_AT_lbl_offset): Delete.
5601 (add_AT_lineptr): New.
5602 (add_AT_macptr): New.
5603 (AT_lbl): Expect a lineptr or macptr.
5604 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5605 (attr_checksum): Likewise.
5606 (same_dw_val_p): Likewise.
5607 (size_of_die): Likewise.
5608 (value_format): Likewise.
5609 (output_die): Likewise.
5610 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5612 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5613 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5614 * config/darwin-protos.h (darwin_file_start): New.
5615 (darwin_asm_output_dwarf_offset): New.
5616 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5617 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5619 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5620 if not EH section; simplify.
5621 (darwin_file_start): New.
5622 (darwin_asm_output_dwarf_offset): New.
5623 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5625 (DEBUG_INFO_SECTION): Likewise.
5626 (DEBUG_ABBREV_SECTION): Likewise.
5627 (DEBUG_ARANGES_SECTION): Likewise.
5628 (DEBUG_MACINFO_SECTION): Likewise.
5629 (DEBUG_LINE_SECTION): Likewise.
5630 (DEBUG_LOC_SECTION): Likewise.
5631 (DEBUG_PUBNAMES_SECTION): Likewise.
5632 (DEBUG_STR_SECTION): Likewise.
5633 (DEBUG_RANGES_SECTION): Likewise.
5634 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5635 (ASM_OUTPUT_DWARF_OFFSET): New.
5637 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5639 * config.gcc (tm_defines): Always add to previous value rather
5642 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5644 * config/mips/predicates.md (splittable_const_int_operand): New,
5645 split from move_operand.
5646 (splittable_symbolic_operand): New.
5647 (move_operand): Add commentary. Use splittable_const_int_operand.
5648 Inline mips_atomic_symbolic_constant_p.
5649 * config/mips/mips.md: Add combine splitters for handling moves
5650 of splittable_const_int_operands and splittable_symbolic_operands.
5651 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5652 (mips_split_symbol): Declare.
5653 (mips_move_integer): Declare.
5654 * config/mips/mips.c (mips_split_p): Make global.
5655 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5656 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5657 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5658 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5659 (mips_offset_within_object_p): Handle block symbols.
5660 (mips_atomic_symbolic_constant_p): Delete.
5661 (mips_cannot_force_const_mem): Return false for constants that
5662 mips_legitimize_move can handle.
5663 (mips_use_blocks_for_constant_p): New function.
5664 (mips_split_symbol): Make global.
5665 (mips_move_integer): Likewise. Add a temporary register argument.
5666 (mips_legitimize_const_move): Use splittable_const_int_operand and
5667 splittable_symbolic_operand.
5668 (mips_use_anchors_for_symbol_p): New function.
5669 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5670 (mips_split_p): Declare.
5672 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5674 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5675 (mips*-*-linux*): Likewise.
5677 2006-03-16 Roger Sayle <roger@eyesopen.com>
5678 Daniel Speyer <dspeyer@wam.umd.edu>
5681 * tree-dump.c (dump_real): New function.
5682 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5683 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5684 (tree-dump.o): Add $(REAL_H) to the dependencies.
5686 2006-03-16 Roger Sayle <roger@eyesopen.com>
5689 * real.c (real_from_string): If the mantissa is zero, don't bother
5690 parsing the exponent as the result should always be zero.
5692 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5694 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5696 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5698 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5699 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5700 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5701 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5702 ia64_sched_finish_global): New static functions to implement
5703 hooks from gcc_target.sched.
5704 (spec_check_no, max_uid, pending_data_specs): New static variables.
5705 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5706 ia64_spec_check_src_p): New static functions.
5707 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5708 (TARGET_SCHED_ADJUST_COST): Removed.
5709 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5710 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5711 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5712 TARGET_SCHED_GEN_CHECK,
5713 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5714 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5715 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5716 Fixed to handle speculation checks.
5717 (rtx_needs_barrier): Fixed to handle speculative loads and
5719 (ia64_variable_issue): Added code to count speculative loads and their
5721 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5723 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5725 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5727 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5728 (ia64_reorg): Reset stops_p to NULL after it is freed.
5729 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5730 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5731 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5733 (data_speculative, control_speculative, check_load): New attributes.
5734 (mov<mode>_advanced, mov<mode>_speculative,
5735 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5736 zero_extend<mode>di2_speculative,
5737 zero_extend<mode>di2_speculative_advanced): New patterns for
5738 data and control speculative loads.
5739 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5741 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5742 New pattern for data and control speculation checks.
5743 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5744 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5745 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5746 Auxiliary definitions for the patterns.
5747 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5748 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5750 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5752 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5753 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5754 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5755 New resource constraints.
5756 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5758 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5759 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5760 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5761 msched-in-control-spec, msched-ldc, msched-control-ldc,
5762 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5763 msched-prefer-non-control-spec-insns,
5764 msched-count-spec-in-critical-path): New flags to tune speculative
5766 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5767 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5768 msched-in-control-spec, msched-ldc, msched-control-ldc,
5769 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5770 msched-prefer-non-control-spec-insns,
5771 msched-count-spec-in-critical-path): Document new flags.
5773 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5775 * target.h (struct spec_info_def): New opaque declaration.
5776 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5777 speculate_insn, needs_block_p, gen_check,
5778 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5779 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5780 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5781 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5782 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5783 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5785 (TARGET_SCHED): Use new macros.
5786 * rtl.h (copy_DEPS_LIST_list): New prototype.
5787 * sched-int.h (struct sched_info): Change signature of new_ready field,
5788 adjust all initializations. New fields: add_remove_insn,
5789 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5790 region_head_or_leaf_p.
5791 (struct spec_info_def): New structure declaration.
5792 (spec_info_t): New typedef.
5793 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5794 recovery_block, orig_pat.
5795 (glat_start, glat_end): New variables declaraions.
5796 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5798 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5799 DETACH_LIFE_INFO, USE_GLAT.
5800 (enum SPEC_SCHED_FLAGS): New enumeration.
5801 (NOTE_NOTE_BB_P): New macro.
5802 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5803 attach_life_info, debug_spec_status, check_reg_live): New functions.
5804 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5805 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5807 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5808 * ddg.c (get_block_head_tail): Adjust all uses.
5809 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5810 (sms_sched_info): Initialize new fields.
5811 (contributes_to_priority): Removed.
5812 * haifa-sched.c (params.h): New include.
5813 (get_block_head_tail): Adjust all uses.
5814 (ISSUE_POINTS): New macro.
5815 (glat_start, glat_end): New global variables.
5816 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5817 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5818 old_last_basic_block, before_recovery, current_sched_info_var,
5819 rgn_n_insns, luid): New static variables.
5820 (insn_cost1): New function. Move logic from insn_cost to here.
5821 (find_insn_reg_weight1): New function. Move logic from
5822 find_insn_reg_weight to here.
5823 (reemit_notes, move_insn, max_issue): Change signature.
5824 (move_insn1): Removed.
5825 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5826 extend_bb): New static functions to support extension of scheduler's
5828 (generate_recovery_code, process_insn_depend_be_in_spec,
5829 begin_speculative_block, add_to_speculative_block,
5830 init_before_recovery, create_recovery_block, create_check_block_twin,
5831 fix_recovery_deps): New static functions to support
5832 generation of recovery code.
5833 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5834 restore_bb_notes, move_block_after_check, move_succs): New static
5835 functions to support ebb scheduling.
5836 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5837 functions to support handling of register live information.
5838 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5839 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5840 add_jump_dependencies): New static functions.
5841 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5842 consistancy checking.
5843 (debug_spec_status): New function to call from debugger.
5844 (priority): Added code to handle speculation checks.
5845 (rank_for_schedule): Added code to distinguish speculative instructions.
5846 (schedule_insn): Added code to handle speculation checks.
5847 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5848 Fixed to handle ebbs.
5849 (move_insn): Added code to handle ebb scheduling.
5850 (max_issue): Added code to use ISSUE_POINTS of instructions.
5851 (choose_ready): Added code to choose between speculative and
5852 non-speculative instructions.
5853 (schedule_block): Added code to handle ebb scheduling and scheduling of
5854 speculative instructions.
5855 (sched_init): Initialize new variables.
5856 (sched_finish): Free new variables. Print statistics.
5857 (try_ready): Added code to handle speculative instructions.
5858 * lists.c (copy_DEPS_LIST_list): New function.
5859 * sched-deps.c (extend_dependency_caches): New function. Move logic
5860 from create_dependency_caches to here.
5861 (get_dep_weak, ds_merge): Make global.
5862 * genattr.c (main): Code to output prototype for
5863 dfa_clear_single_insn_cache.
5864 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5865 (output_dfa_clean_insn_cache_func): Code to output
5866 dfa_clear_single_insn_cache function.
5867 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5869 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5871 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5872 New static variables.
5873 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5874 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5876 (ebb_sched_info): Initialize new fields.
5877 (get_block_head_tail): Adjust all uses.
5878 (compute_jump_reg_dependencies): Fixed to use glat_start.
5879 (schedule_ebb): Code to remove unreachable last block.
5880 (schedule_ebbs): Added code to update register live information.
5881 * sched-rgn.c (region_sched_info): Initialize new fields.
5882 (get_block_head_tail): Adjust all uses.
5883 (last_was_jump): Removed. Adjust users.
5884 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5885 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5886 Implement new hooks.
5887 (check_dead_notes1): New static function.
5888 (struct region): New fields: dont_calc_deps, has_real_ebb.
5889 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5890 (BB_TO_BLOCK): Fixed to handle EBBs.
5891 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5892 (ebb_head): New static variable.
5893 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5894 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5896 (compute_dom_prob_ps): New assertion.
5897 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5898 global_live_at_start.
5899 (init_ready_list): New assertions.
5900 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5901 (new_ready): Add support for BEGIN_CONTROL speculation.
5902 (schedule_insns): Fixed code that updates register live information
5904 (schedule_region): Fixed to handle EBBs.
5905 (init_regions): Use extend_regions and check_dead_notes1.
5906 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5907 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5908 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5909 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5910 TARGET_SCHED_GEN_CHECK,
5911 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5912 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5913 * doc/invoke.texi (max-sched-insn-conflict-delay,
5914 sched-spec-prob-cutoff): Document.
5916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5918 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5919 inter_tick, queue_index.
5920 (struct sched_info): Change signature of init_ready_list field.
5921 Adjust all initializations.
5922 (RESOLVED_DEPS): New access macro.
5923 (ready_add): Remove prototype.
5924 (try_ready): Add prototype.
5925 * sched-rgn.c (init_ready_list): Use try_ready.
5926 (schedule_region): Initialize
5927 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5928 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5929 (init_ready_list): Use try_ready.
5930 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5931 * lists.c (remove_list_elem): Remove `static'.
5932 (remove_free_INSN_LIST_elem): New function.
5933 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5934 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5935 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5937 (readyp): New variable.
5938 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5939 change_queue_index, resolve_dep): New static functions.
5940 (try_ready): New function. Adjust callers in sched-rgn.c and
5941 sched-ebb.c to use it instead of ready_add.
5942 (clock_var): Move at the begining of file.
5943 (rank_for_schedule): Fix typo.
5944 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5945 (ready_lastpos): Enforce assertion.
5946 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5948 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5949 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5950 (queue_to_ready): Use free_INSN_LIST_list.
5951 (early_queue_to_ready): Fix typo.
5952 (schedule_block): Init readyp. Move init_ready_list call after the
5953 initialization of clock_var. Fix error in rejecting insn by
5954 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5955 that previously corrected INSN_TICKs. Add code for handling
5957 (set_priorities): Fix typo.
5958 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5959 Clarify comment and code that keeps current_sched_info->next_tail
5962 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5964 * sched-rgn.c (extend_rgns): New static function.
5965 (find_rgns): Use it.
5966 (gather_region_statistics, print_region_statistics): New static
5968 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5969 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5971 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5972 Andrey Belevantsev <abel@ispras.ru>
5974 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5975 * lists.c (unused_deps_list): New variable.
5976 (free_list): Add assertions to verify the proper distinguishing
5977 between INSN_LISTs and DEPS_LISTs.
5978 (find_list_elem, remove_list_elem, remove_list_node): New static
5980 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5981 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5982 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5983 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5985 (free_INSN_LIST_node): Likewise.
5986 * modulo-sched.c (current_sched_info): Initialize flags field.
5987 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5988 * rtl.def (DEPS_LIST): Define.
5989 * rtl.h: Declare new functions from lists.c.
5990 * sched-deps.c (spec_dependency_cache): New static variable.
5991 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5992 (add_dependence): Change return type to void. Move the logic to ...
5993 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5994 (delete_all_dependences): Add comment about forward_dependency_cache.
5995 Handle spec_dependency_cache. Handle DEPS_LISTs.
5996 (fixup_sched_groups): Clarify the change of priority of output
5997 and anti dependencies.
5998 (sched_analyze_2): Adjust add_dependence calls to create data
5999 speculative dependence.
6000 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6001 Adjust all callers. Handle DEPS_LISTS.
6002 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6003 presence of speculation.
6004 (init_dependency_caches, free_dependency_caches):
6005 Handle spec_dependency_cache.
6006 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6007 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6008 New static functions.
6009 (add_or_update_back_dep, add_or_update_back_forw_dep,
6010 add_back_forw_dep, delete_back_forw_dep): New functions.
6011 * sched-int.h (ds_t, dw_t): New typedefs.
6012 (struct sched_info): Add new field flags.
6013 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6014 Prototype new sched-deps.c functions.
6015 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6016 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6017 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6018 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6019 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6020 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6022 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6024 * sched-rgn.c (current_sched_info): Initialize flags field.
6025 (schedule_insns): Initialize current_sched_info before the sched_init
6027 * sched-ebb.c (current_sched_info): Initialize flags field.
6028 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6029 Call add_or_update_back_dep instead of add_dependence.
6030 Create control speculative dependencies.
6031 (schedule_insns): Initialize current_sched_info before the sched_init
6034 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6036 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6038 (sh_fallback_frame_state): Likewise.
6040 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6042 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6043 Do switch on default_use_cxa_atexit.
6044 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6045 * config/darwin-crt3.o: New.
6046 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6047 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6048 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6050 * config/rs6000/t-darwin: Move crt2.o building to here.
6051 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6052 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6055 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6057 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6058 from '! xxx' to '!xxx' for coding-style conformance.
6059 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6060 (EXTRA_CONSTRAINT): Likewise.
6061 * config/vax/vax.md (four unnamed insns): Likewise.
6063 2006-03-15 Paul Brook <paul@codesourcery.com>
6065 * config/arm/arm.c (minipool_pad): New.
6066 (add_minipool_forward_ref): Include pool alignment padding in address
6068 (push_minipool_fix): Set minipool_pad.
6069 (minipool_pad): Ditto.
6071 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6073 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6074 instead of GET_CODE() == MEM and REG_P() instead of
6076 (print_operand_address): Likewise.
6077 (vax_address_cost): Likewise.
6078 (vax_rtx_costs): Likewise.
6079 (vax_notice_update_cc): Likewise.
6080 (vax_output_int_add): Likewise.
6081 (INDEX_REGISTER_P): Likewise.
6082 (BASE_REGISTER_P): Likewise.
6083 (nonindexed_address_p): Likewise.
6084 (vax_mode_dependent_address_p): Likewise.
6085 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6086 (PRINT_OPERAND): Likewise.
6087 * config/vax/vax.md (ashlsi3): Likewise.
6088 (ashlsi3): Likewise.
6089 (some more unnamed insns): Likewise.
6091 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6093 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6094 iterator-style macro.
6095 (mark_control_dependent_edges_necessary): Update the use of
6096 EXECUTE_IF_CONTROL_DEPENDENT.
6098 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6100 * config/sh/predicates.md (cache_address_operand): Special.
6101 (ua_address_operand): Likewise.
6103 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6105 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6107 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6109 2006-03-15 Andreas Schwab <schwab@suse.de>
6111 * gensupport.c (identify_predicable_attribute): Don't free p_false
6112 when it is still in use.
6114 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6116 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6117 the default setting here.
6119 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6121 * tree-pass.h (pass_cfg): Remove.
6122 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6123 * passes.c (pass_cfg): Don't run it.
6125 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6127 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6128 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6130 (stack_regs_mentioned): Update the uses of
6131 stack_regs_mentioned_data. Don't access the array beyond its
6133 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6134 Don't include gt-reg-stack.h.
6136 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6137 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6139 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6142 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6145 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6147 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6149 2006-03-14 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/26672
6152 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6155 2006-03-14 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/26667
6158 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6159 node for the callees. Always allow inlining if it will shrink
6162 2006-03-14 Richard Guenther <rguenther@suse.de>
6165 * builtins.c (get_pointer_alignment): Prefer alignment
6166 information from decls over that from types.
6168 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6171 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6173 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6175 * config/rs6000/rs6000.opt (mdlmzb): New option.
6176 (msched-prolog, msched-epilog): Use Var not Mask.
6177 * doc/invoke.texi (-mdlmzb): Document.
6178 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6180 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6181 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6183 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6185 PR rtl-optimization/25739
6186 * bt-load.c (augment_live_range): Free tos pointer.
6188 * gensupport.c (identify_predicable_attribute): Free
6190 * gcov.c (create_file_names): Free name pointer.
6192 2006-03-13 Roger Sayle <roger@eyesopen.com>
6195 * stmt.c (emit_case_nodes): Handle the case where the index is a
6196 CONST_INT, where the comparison mode is specified by the index type.
6198 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6200 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6203 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6205 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6206 (*branch_fp_inverted): Likewise.
6208 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6211 * omp-low.c (expand_omp_for_generic): Mark istart0
6212 and iend0 as addressable.
6214 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6216 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6218 2006-03-13 Jeff Law <law@redhat.com>
6220 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6221 virtual operands are interesting.
6222 (vrp_visit_stmt): Corresponding changes.
6224 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6226 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6228 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6229 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6230 * config/bfin/crti.S: Use it instead of __PIC__.
6231 * config/bfin/crtn.S: Likewise.
6233 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6234 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6236 Lose 'G' modifier for call operand.
6237 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6238 recognize 'G' modifier.
6240 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6243 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6244 * stmt.c (expand_case): Likewise.
6246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6248 PR rtl-optimization/26254
6249 * loop-invariant.c (seq_insns_valid_p): New function.
6250 (move_invariant_reg): Only emit new code if it is valid.
6252 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6254 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6256 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6257 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6258 (commit_one_edge_insertion): Do not look for loop notes.
6260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6262 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6263 flag_test_coverage out of loop.
6265 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6267 * final.c (shorten_branches): Remove outdated comment, and turn
6268 the if branch that guards it to continue.
6270 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6272 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6273 * cfgloop.h (struct loop): Remove unused fields.
6275 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6277 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6278 (-dL, -fdump-rtl-loop2): Update the dump file names
6280 * doc/invoke.texi: Update dump file names.
6282 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6284 * predict.c (estimate_probability): Remove.
6285 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6286 * basic-block.h (estimate_probability): Remove prototype.
6287 * passes.c (finish_optimization_passes): Dump branch prediction or
6288 profiling heuristics to the .profile tree dump.
6289 (init_optimization_passes): Unqueue pass_branch_prob.
6291 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6293 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6295 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6296 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6298 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6300 * function.h (frame_offset_overflow): Declare.
6301 * function.c (frame_offset_overflow): New function.
6302 (assign_stack_local_1): Call it to detect that the offset overflows.
6303 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6305 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6307 * config/sh/sh.c: Include alloc-pool.h.
6308 (label_ref_list_pool): New alloc pool.
6309 (label_ref_list_t): New type for lists of labels.
6310 (struct pool_node): Make wend a label_ref_list_t.
6311 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6313 (dump_table): Likewise.
6314 (sh_reorg): Set up the alloc pool before using add_constant and
6315 dump_table, and destroy it when finishing.
6317 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6319 * config/mips/mips.c: Remove redundant comment.
6321 2006-03-10 Jason Merrill <jason@redhat.com>
6324 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6325 the target was declared 'register'.
6327 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6329 * genpreds.c (write_insn_constraint_len): Change definition of
6330 insn_constraint_len to return size_t to match the declaration.
6332 2006-03-10 DJ Delorie <dj@redhat.com>
6334 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6336 (m32c_expand_insv): Fix test for an AND mask.
6338 2006-03-10 Richard Guenther <rguenther@suse.de>
6341 * builtins.c (get_pointer_alignment): Handle component
6342 references for field alignment.
6344 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6346 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6347 when building with libgloss.
6348 (sh*elf): Implement --without-fp option.
6349 (sh64-superh-linux*): Don't multilib.
6351 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6353 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6355 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6357 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6358 Set it when one of the replacement functions returned true.
6359 Return TODO_cleanup_cfg if cfgchanged is true.
6360 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6362 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6364 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6365 instead of gen_lowpart.
6367 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6369 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6371 (mips_output_order_conditional_branch): Declare.
6372 * config/mips/mips.h (MIPS_BRANCH): New macro.
6373 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6374 for the comparison. Use gen_condjump.
6375 (mips_output_conditional_branch): Rework interface to take the
6376 asm templates for a direct branch and the inverse of a direct branch.
6377 (mips_output_order_conditional_branch): New function.
6378 (mips_builtin_branch_and_move): New function.
6379 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6380 branch condition. Use gen_single_cc as the condition for
6381 __builtin_mips_upper_* or __builtin_mips_lower_*.
6382 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6383 Use VOIDmode for the branch condition.
6384 * config/mips/predicates.md (order_operator): New predicate.
6385 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6386 (branch_fp): Rename to...
6387 (*branch_fp): ...this. Remove mode from comparison operator.
6388 Use new mips_output_conditional_branch interface.
6389 (branch_fp_inverted): Rename to...
6390 (*branch_fp_inverted): ...this and update as for *branch_fp.
6391 (*branch_zero<mode>): Rename to...
6392 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6393 Use mips_output_order_conditional_branch. Only accept ordered
6395 (*branch_zero<mode>_inverted): Rename to...
6396 (*branch_order<mode>_inverted): ...this and update as for
6397 *branch_order<mode>.
6398 (*branch_equality<mode>): Accept zero as the second operand to
6399 the equality operator. Use the new mips_output_conditional_branch
6401 (*branch_equality<mode>_inverted): Likewise.
6402 (condjump): New expander.
6403 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6405 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6406 (bc1any2t, bc1any2f): Likewise.
6407 (single_cc): New expander.
6408 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6410 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6412 * doc/md.texi: Update documentation of MIPS constraints.
6413 * config/mips/constraints.md: New file.
6414 * config/mips/mips.md: Include it.
6415 * config/mips/mips.c (mips_char_to_class): Delete.
6416 (override_options): Don't initialize mips_char_to_class.
6417 * config/mips/mips.h (mips_char_to_class): Delete.
6418 (REG_CLASS_FROM_LETTER): Delete.
6419 (CONST_OK_FOR_LETTER_P): Delete.
6420 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6421 (EXTRA_CONSTRAINT_Y): Delete.
6422 (EXTRA_CONSTRAINT_STR): Delete.
6423 (CONSTRAINT_LEN): Delete.
6424 (EXTRA_MEMORY_CONSTRAINT): Delete.
6426 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6428 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6429 original fn's eh regions.
6431 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6433 * fold-const.c (build_range_check): Make sure to use a valid type to
6434 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6437 (range_predecessor): New static function.
6438 (range_successor): Likewise.
6439 (merge_ranges): Use them to compute predecessors and successors of
6442 2006-03-09 Roger Sayle <roger@eyesopen.com>
6445 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6446 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6448 2006-03-08 DJ Delorie <dj@redhat.com>
6450 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6451 (addpsi3): Expand to include memory operands. Remove
6452 reload-specific splits.
6453 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6454 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6455 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6456 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6457 (shift1_qi, shift1_hi, insv): New.
6458 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6459 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6460 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6462 * config/m32c/m32c-protos.h: Update as needed.
6463 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6464 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6465 Fail for unrecognized R* constraints.
6466 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6467 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6468 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6470 (m32c_init_libfuncs): New.
6471 (m32c_legitimate_address_p): Add debug wrapper.
6472 (m32c_rtx_costs): New.
6473 (m32c_address_cost): New.
6474 (conversions): Add 'B' prefix.
6475 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6476 operands, or word regnames for QI operands. 'B' prints bit
6478 (m32c_expand_setmemhi): New.
6479 (m32c_expand_movmemhi): New.
6480 (m32c_expand_movstr): New.
6481 (m32c_expand_cmpstr): New.
6482 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6483 (m32c_expand_neg_mulpsi3): Handle non-ints.
6484 (m32c_cmp_flg_0): New.
6485 (m32c_expand_movcc): New.
6486 (m32c_expand_insv): New.
6487 (m32c_scc_pattern): New.
6488 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6489 a0/a1 out of SIregs.
6490 (STORE_FLAG_VALUE): New.
6491 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6494 * config/m32c/mov.md: Make constraints more liberal.
6495 (zero_extendqihi2): Optimize r0/r1 case.
6496 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6497 * config/m32c/predicates.md (m32c_any_operand): New.
6498 (m32c_nonimmediate_operand): New.
6499 (m32c_hl_operand): New.
6500 (m32c_r3_operand): New.
6503 (memsym_operand): New.
6504 (memimmed_operand): New.
6505 (a_qi_operand): New.
6506 (m32c_eqne_operator): New.
6507 (m32c_1bit8_operand): New.
6508 (m32c_1bit16_operand): New.
6509 (m32c_1mask8_operand): New.
6510 (m32c_1mask16_operand): New.
6511 * config/m32c/blkmov.md: New file.
6512 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6514 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6516 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6517 unsigned to fix signed/unsigned comparison issue in
6518 DWARF2_FRAME_REG_OUT.
6519 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6520 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6522 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6523 of ptr into the ENABLE_CHECKING section.
6525 2006-03-08 Jeff Law <law@redhat.com>
6527 * tree-vrp.c (infer_value_range): Only count pointer uses
6528 and dereferences if -fdelete-null-pointer-checks is enabled.
6530 * tree-vrp.c (find_assert_locations): Infer value ranges for
6531 single use pointers, but do not create ASSERT_EXPRs for them.
6532 When a non-null range is inferred for a pointer, backwards
6533 propagate that range to other equivalent pointers through the
6536 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6539 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6540 language hook targets.
6541 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6542 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6543 if language hook targets were missing.
6545 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6547 * tree-ssa-opfinalize.h: Removed.
6548 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6550 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6551 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6552 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6553 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6554 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6555 finalize_ssa_v_must_def_ops): New.
6557 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6559 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6562 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6564 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6566 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6567 addresses with offsets; reorganize.
6569 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6570 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6571 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6573 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6576 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6578 2006-03-08 Ben Elliston <bje@au.ibm.com>
6580 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6582 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6585 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6588 2006-03-07 Richard Guenther <rguenther@suse.de>
6590 PR tree-optimization/26587
6591 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6593 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6595 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6597 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6599 * hooks.c (hook_bool_mode_rtx_true): New function.
6600 * hooks.h (hook_bool_mode_rtx_true): Declare.
6601 * toplev.c (compile_file): Call output_shared_constant_pool.
6602 * varasm.c (shared_constant_pool): New variable.
6603 (assemble_start_function, assemble_end_function): Remove arguments
6604 from call to output_constant_pool.
6605 (create_constant_pool): New function, split out from...
6606 (init_varasm_status): ...here.
6607 (force_const_mem): Choose between the shared and per-function constant
6608 pools. Set current_function_uses_const_pool when reusing old entries
6609 as well as when creating new ones.
6610 (mark_constant): Ignore data argument.
6611 (mark_constants): Remove pool argument.
6612 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6613 to decide whether the function uses a constant pool.
6614 (output_constant_pool_contents): New function, split out from...
6615 (output_constant_pool): ...here.
6616 (output_shared_constant_pool): New function.
6617 (init_varasm_once): Initialize shared_constant_pool.
6618 * output.h (output_constant_pool): Delete.
6619 (output_shared_constant_pool): Declare.
6620 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6621 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6623 2006-03-06 Nick Clifton <nickc@redhat.com>
6625 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6626 flag_strength_reduce.
6628 2006-03-06 Ben Elliston <bje@au.ibm.com>
6630 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6631 x86_64-*-linux* configurations.
6633 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6634 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6636 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6638 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6640 * basic-block.h: Remove the extern for
6641 rediscover_loops_after_threading.
6643 * cfgloop.c (cancel_loop): Make it static.
6644 * cfgloop.h: Remove the prototype for cancel_loop.
6646 * flow.c (recompute_reg_usage): Make it static.
6647 * rtl.h: Remove the prototype for recompute_reg_usage.
6649 * function.c (use_return_register): Make it static.
6650 * function.h: Remove the prototype.
6652 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6654 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6656 * recog.h: Remove the prototype for
6657 validate_change_maybe_volatile.
6659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6661 * rtlanal.c (replace_reg): Remove.
6662 * rtl.h: Remove the prototype for replace_reg.
6664 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6666 * regclass.c (reg_scan_update): Remove.
6667 (reg_scan_mark_refs): Remove the last argument.
6668 * rtl.h: Remove the prototype for reg_scan_update.
6670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6672 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6673 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6674 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6675 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6676 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6677 loop-invariant.c, omp-low.c, opts.c, passes.c,
6678 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6679 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6680 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6681 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6682 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6683 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6685 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6687 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6688 * dwarf2out.h: Remove the prototype for
6689 dwarf2out_add_library_unit_info.
6691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6693 * tree.c (add_var_to_bind_expr): Remove.
6694 * tree.h: Remove the prototype for add_var_to_bind_expr.
6696 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6698 * regclass.c (n_non_fixed_regs): Remove.
6699 (init_reg_sets_1, globalize_reg): Remove all uses of
6701 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6705 * rtlanal.c (insns_safe_to_move_p): Remove.
6706 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6708 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6710 * expmed.c (expand_mult_add): Remove.
6711 * expr.h: Remove the prototype for expand_mult_add.
6713 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6715 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6716 and REG_SAVED_VAL_EXP constants.
6717 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6718 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6719 Handle regs stored by value.
6720 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6721 (execute_cfa_program): Handle DW_CFA_val_offset,
6722 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6723 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6724 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6725 (uw_install_context_1): Handle target regs stored by value.
6727 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6729 * tree-sra.c (tree_sra): Return todoflags;
6730 (generate_one_element): Set TODO_update_smt_usage if needed.
6731 (pass_sra): Remove TODO_update_smt_usage.
6732 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6734 (tree_ssa_forward_propagate_single_use_vars): Return
6735 TODO_update_smt_usage if we need to update SMT usage.
6736 (pass_forwprop): Remove TODO_update_smt_usage.
6738 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6740 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6741 (correct_use_link): Remove reference to get_stmt_operands.
6742 (update_stmt_operands): Likewise.
6743 (get_modify_expr_operands): New function factored out of
6744 parse_ssa_operands and get_expr_operands.
6745 Try to create V_MUST_DEFs for LHS by default.
6746 (get_expr_operands) <case MODIFY_EXPR>: Call
6747 get_modify_expr_operands.
6748 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6749 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6750 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6751 get_modify_expr_operands.
6753 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6755 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6756 * tree-flow.h: Remove the prototype for
6757 referenced_var_lookup_if_exists.
6759 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6761 PR rtl-optimization/26345
6763 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6765 2006-03-03 Roger Sayle <roger@eyesopen.com>
6767 PR tree-optimization/26524
6768 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6769 fold_convert to create a constant of the appropriate type.
6771 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6773 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6774 SYMBOL_REF_IN_BLOCK_P.
6775 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6776 of SYMBOL_FLAG_IN_BLOCK.
6777 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6778 instead of SYMBOL_REF_IN_BLOCK_P.
6779 * explow.c (use_anchored_address): Likewise.
6780 * rtl.c (rtx_size): Likewise.
6781 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6782 instead of SYMBOL_FLAG_IN_BLOCK.
6783 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6784 SYMBOL_REF_IN_BLOCK_P.
6785 (assemble_variable): Likewise.
6786 (output_constant_def_contents): Likewise.
6787 (output_constant_pool): Likewise.
6788 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6789 instead of SYMBOL_FLAG_IN_BLOCK.
6790 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6791 SYMBOL_REF_IN_BLOCK_P.
6792 (SYMBOL_REF_BLOCK): Likewise.
6793 (SYMBOL_REF_OFFSET): Likewise.
6794 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6795 SYMBOL_REF_IN_BLOCK_P.
6796 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6797 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6798 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6799 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6801 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6803 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6805 2006-03-02 Roger Sayle <roger@eyesopen.com>
6807 * simplify-rtx.c (simplify_unary_operation): When simplifying
6808 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6809 that we perform the right shift in the appropriate mode, and
6810 then extend or truncate the result to requested mode.
6812 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6814 * gengtype.c (main): Handle double_int type.
6815 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6816 * double-int.c: New file.
6817 * double-int.h: New file.
6818 * system.h: Include doubleint.h.
6819 * Makefile.in (SYSTEM_H): Include double-int.h.
6820 (double-int.o): Add.
6822 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6825 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6828 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6830 * tree-vrp.c (remove_range_assertions): Do not update statements
6833 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6835 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6837 * gcse.c (rest_of_handle_gcse): Ditto.
6838 * except.c (gate_handle_eh): Ditto.
6839 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6840 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6842 2006-03-02 Eric Christopher <echristo@apple.com>
6844 * config/i386/i386.c (machopic_output_stub): Add indirection to
6847 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6851 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6853 Sun Niagara specific optimizations.
6854 * config.gcc: Recognize niagara as target.
6855 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6856 (TARGET_CPU_niagara): Define.
6857 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6858 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6859 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6860 (ASM_CPU_SPEC): Likewise.
6861 (PROCESSOR_NIAGARA): New enum entry.
6862 (REGISTER_MOVE_COST): Handle Niagara.
6863 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6864 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6865 (sparc_override_options): Recognize "niagara", set appropriate
6866 default MASK_* values for it, and align functions to 32-bytes
6867 by default just like ULTRASPARC/ULTRASPARC3.
6868 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6869 (sparc64_initialize_trampoline): Likewise.
6870 (sparc_use_sched_lookahead): Use zero for niagara.
6871 (sparc_issue_rate): Use one for niagara.
6872 * config/sparc/niagara.md: New file.
6873 * config/sparc/sparc.md: Include it.
6874 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6875 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6876 when default cpu is niagara.
6877 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6878 (ASM_CPU_SPEC): Likewise.
6879 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6880 when default cpu is niagara.
6881 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6882 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6883 just like v9/ultrasparc/ultrasparc3.
6884 * doc/invoke.texi: Add documentation for "niagara" and improve
6885 existing documentation for ultrasparc variants.
6887 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6889 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6891 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6893 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6894 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6895 and say that only one is needed.
6896 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6897 * target.h (have_switchable_bss_sections): New hook.
6898 * explow.c (use_anchored_address): Check that the symbol is in a block.
6899 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6900 (bss_noswitch_section): New variables.
6901 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6902 (get_noswitch_section): New function.
6903 (get_block_for_section): Allow SECT to be null.
6904 (unlikely_text_section_p): Use SECTION_STYLE.
6905 (bss_initializer_p): New function.
6906 (get_variable_section): Move earlier in file. Take a new argument,
6907 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6908 Return one of the new *_sections in such cases.
6909 (get_block_for_decl): New function, extracting some logic from
6910 use_blocks_for_decl_p.
6911 (change_symbol_section): Remove in favor of...
6912 (change_symbol_block): ...this new function.
6913 (use_blocks_for_decl_p): Remove checks now performed by
6915 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6916 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6917 (emit_local, emit_bss, emit_common): ...these new functions.
6918 Return true if the alignment was honored.
6919 (emit_tls_common): New function.
6920 (asm_emit_uninitialised): Delete.
6921 (assemble_variable_noswitch): New function, split out from...
6922 (assemble_variable): ...here. Don't make decisions about common
6923 variables here. Globalize all public decls that go into non-common
6924 sections. Check whether SYMBOL_REF_BLOCK is null.
6925 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6926 (output_constant_pool): Likewise.
6927 (init_varasm_once): Initialize the new section variables.
6928 (have_global_bss_p): New function.
6929 (categorize_decl_for_section): Use bss_initializer_p.
6930 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6931 (place_block_symbol): Assert that the symbol must be in a block.
6932 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6933 (TARGET_INITIALIZER): Include it.
6934 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6935 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6936 (SECTION_MACH_DEP): Bump by two.
6937 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6938 (unnamed_section): Mention SECTION_UNNAMED in comment.
6939 (named_section): Likewise SECTION_NAMED.
6940 (noswitch_section_callback): New type.
6941 (noswitch_section): New structure.
6942 (section): Add a noswitch_section alternative.
6943 (SECTION_STYLE): New macro.
6944 (tls_comm_section, comm_section, lcomm_section): Declare.
6945 (bss_noswitch_section, have_global_bss_p): Declare.
6946 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6947 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6949 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6950 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6953 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6955 * tree-vrp.c (execute_vrp): Return value.
6956 * regrename.c (rest_of_handle_regrename): Ditto.
6957 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6958 * tree-complex.c (tree_lower_complex): Ditto.
6959 (tree_lower_complex_O0): Ditto.
6960 * tracer.c (rest_of_handle_tracer): Ditto.
6961 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6962 * postreload.c (rest_of_handle_postreload): Ditto.
6963 * tree-tailcall.c (execute_tail_recursion): Ditto.
6964 (execute_tail_calls): Ditto.
6965 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6966 * tree.h (init_function_for_compilation): Ditto.
6967 * ipa-cp.c (ipcp_driver): Ditto.
6968 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6969 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6970 * final.c (compute_alignments): Ditto.
6971 (rest_of_handle_final): Ditto.
6972 (rest_of_handle_shorten_branches): Ditto.
6973 (rest_of_clean_state): Ditto.
6974 * omp-low.c (execute_expand_omp): Ditto.
6975 (execute_lower_omp): Ditto.
6976 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6977 * ipa-reference.c (static_execute): Ditto.
6978 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6979 * reorg.c (rest_of_handle_delay_slots): Ditto.
6980 (rest_of_handle_machine_reorg): Ditto.
6981 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6982 * flow.c (recompute_reg_usage): Ditto.
6983 (rest_of_handle_remove_death_notes): Ditto.
6984 (rest_of_handle_life): Ditto.
6985 (rest_of_handle_flow2): Ditto.
6986 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6987 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6988 (do_ssa_store_ccp): Ditto.
6989 (execute_fold_all_builtins): Ditto.
6990 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6991 * modulo-sched.c (rest_of_handle_sms): Ditto.
6992 * ipa-pure-const.c (static_execute): Ditto.
6993 * cse.c (rest_of_handle_cse): Ditto.
6994 (rest_of_handle_cse2): Ditto.
6995 * web.c (rest_of_handle_web): Ditto.
6996 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6997 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6998 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6999 * tree-nrv.c (tree_nrv): Ditto.
7000 (execute_return_slot_opt): Ditto.
7001 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7002 (create_structure_vars): Ditto.
7003 * loop-init.c (rtl_loop_init): Ditto.
7004 (rtl_loop_done): Ditto.
7005 (rtl_move_loop_invariants): Ditto.
7006 (rtl_unswitch): Ditto.
7007 (rtl_unroll_and_peel_loops): Ditto.
7008 (rtl_doloop): Ditto.
7009 * gimple-low.c (lower_function_body): Ditto.
7010 (mark_used_blocks): Ditto.
7011 * tree-ssa-sink.c (execute_sink_code): Ditto.
7012 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7013 (cgraph_early_inlining): Ditto.
7014 * global.c (rest_of_handle_global_alloc): Ditto.
7015 * jump.c (cleanup_barriers): Ditto.
7016 (purge_line_number_notes): Ditto.
7017 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7018 (rest_of_handle_if_after_reload): Ditto.
7019 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7020 (tree_ssa_loop_im): Ditto.
7021 (tree_ssa_loop_unswitch): Ditto.
7022 (tree_vectorize): Ditto.
7023 (tree_linear_transform): Ditto.
7024 (tree_ssa_loop_ivcanon): Ditto.
7025 (tree_ssa_empty_loop): Ditto.
7026 (tree_ssa_loop_bounds): Ditto.
7027 (tree_complete_unroll): Ditto.
7028 (tree_ssa_loop_prefetch): Ditto.
7029 (tree_ssa_loop_ivopts): Ditto.
7030 (tree_ssa_loop_done): Ditto.
7031 * predict.c (tree_estimate_probability): Ditto.
7032 * recog.c (split_all_insns_noflow): Ditto.
7033 (rest_of_handle_peephole2): Ditto.
7034 (rest_of_handle_split_all_insns): Ditto.
7035 * tree-eh.c (lower_eh_constructs): Ditto.
7036 * regmove.c (rest_of_handle_regmove): Ditto.
7037 (rest_of_handle_stack_adjustments): Ditto.
7038 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7039 * function.c (instantiate_virtual_regs): Ditto.
7040 (init_function_for_compilation): Ditto.
7041 (rest_of_handle_check_leaf_regs): Ditto.
7042 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7043 (rest_of_handle_gcse): Ditto.
7044 * ipa-type-escape.c (type_escape_execute): Ditto.
7045 * alias.c (rest_of_handle_cfg): Ditto.
7046 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7047 * profile.c (rest_of_handle_branch_prob): Ditto.
7048 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7049 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7050 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7051 * tree-dfa.c (find_referenced_vars): Ditto.
7052 * except.c (set_nothrow_function_flags): Ditto.
7053 (convert_to_eh_region_ranges): Ditto.
7054 (rest_of_handle_eh): Ditto.
7055 * emit-rtl.c (unshare_all_rtl): Ditto.
7056 (remove_unnecessary_notes): Ditto.
7057 * except.h (set_nothrow_function_flags): Ditto.
7058 (convert_to_eh_region_ranges): Ditto.
7059 * cfgexpand.c (tree_expand_cfg): Ditto.
7060 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7061 * tree-ssa-pre.c (do_pre): Ditto.
7062 (execute_fre): Ditto.
7063 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7064 (rest_of_handle_jump2): Ditto.
7065 * tree-sra.c (tree_sra): Ditto.
7066 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7067 (execute_mudflap_function_decls): Ditto.
7068 * tree-ssa-copy.c (do_copy_prop): Ditto.
7069 (do_store_copy_prop): Ditto.
7070 * ipa-prop.h (ipcp_driver): Ditto.
7071 * cfglayout.c (insn_locators_initialize): Ditto.
7072 * tree-ssa-forwprop.c
7073 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7074 * cfglayout.h (insn_locators_initialize): Ditto.
7075 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7076 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7077 (execute_late_warn_uninitialized): Ditto.
7078 * rtl.h (cleanup_barriers): Ditto.
7079 (split_all_insns_noflow): Ditto.
7080 (purge_line_number_notes): Ditto.
7081 (unshare_all_rtl): Ditto.
7082 (remove_unnecessary_notes): Ditto.
7083 (recompute_reg_usage): Ditto.
7084 (variable_tracking_main): Ditto.
7085 * integrate.c (emit_initial_value_sets): Ditto.
7086 * integrate.h (emit_initial_value_sets): Ditto.
7087 * tree-optimize.c (execute_free_datastructures): Ditto
7088 (execute_free_cfg_annotations): Ditto.
7089 (execute_fixup_cfg): Ditto.
7090 (execute_cleanup_cfg_pre_ipa): Ditto.
7091 (execute_cleanup_cfg_post_optimizing): Ditto.
7092 (execute_init_datastructures): Ditto.
7093 * tree-object-size.c (compute_object_sizes): Ditto.
7094 * combine.c (rest_of_handle_combine): Ditto.
7095 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7096 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7097 (rest_of_handle_reorder_blocks): Ditto.
7098 (rest_of_handle_partition_blocks): Ditto.
7099 * var-tracking.c (variable_tracking_main): Ditto.
7100 * tree-profile.c (tree_profiling): Ditto.
7101 * tree-vect-generic.c (expand_vector_operations): Ditto.
7102 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7103 * sched-rgn.c (rest_of_handle_sched): Ditto.
7104 (rest_of_handle_sched2): Ditto.
7105 * basic-block.h (free_bb_insn): Ditto.
7106 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7107 * tree-cfg.c (execute_build_cfg): Ditto.
7108 (remove_useless_stmts): Ditto.
7109 (split_critical_edges): Ditto.
7110 (execute_warn_function_return): Ditto.
7111 (execute_warn_function_noreturn): Ditto.
7112 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7113 * cfgrtl.c (free_bb_for_insn): Ditto.
7114 * passes.c (execute_one_pass): Run additional
7115 todos returned by execute function.
7116 * tree-pass.h (struct tree_opt_pass): Make execute
7119 2006-03-02 Richard Guenther <rguenther@suse.de>
7121 * tree-ssa-alias.c (find_used_portions): Consider taking
7122 the address as making the variable not write-only.
7124 2006-03-02 Nick Clifton <nickc@redhat.com>
7126 * config.gcc (default_use_cxa_atexit): Extend the description of
7127 this configure variable. Set its default value to "yes" for
7128 Linux, NetBSD and ELF targets on the assumption that they will
7129 use C libraries with the __cxa_atexit function.
7131 2006-03-02 Ben Elliston <bje@au.ibm.com>
7133 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7134 parameter as unused to suppress a build warning.
7136 2006-03-02 Ben Elliston <bje@au.ibm.com>
7138 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7141 2006-03-01 Roger Sayle <roger@eyesopen.com>
7144 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7145 declared name, the weak reference name, and the typeof name.
7146 (__gthrw): Avoid expanding the declared name suffix.
7147 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7149 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7151 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7153 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7154 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7155 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7156 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7157 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7158 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7159 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7160 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7161 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7162 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7163 (DW_END_default, DW_END_big, DW_END_little): New.
7164 (DW_END_lo_user, DW_END_hi_user): Define.
7165 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7166 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7167 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7172 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7174 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7176 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7178 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7180 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7181 to 'symbol_mem_tag'.
7183 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7186 2006-03-01 Roger Sayle <roger@eyesopen.com>
7188 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7190 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7193 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7194 MACHO_DYNAMIC_NO_PIC_P.
7195 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7197 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7200 * config/darwin-protos.h (darwin_asm_output_anchor):
7202 * config/darwin-sections.def (cstring_section):
7203 Add SECTION_MERGE to the flags.
7204 (literal4_section): Likewise.
7205 (literal8_section): Likewise.
7206 (objc_selector_refs_section): Likewise.
7207 (objc_cls_refs_section): Likewise.
7208 * config/darwin.c (darwin_asm_output_anchor): New
7210 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7212 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7214 Fix PR tree-optimization/26443
7215 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7216 to todo and PROP_tmt_usage to properties_destroyed.
7217 * tree-ssa-ccp.c (pass_ccp): Ditto.
7218 (pass_store_ccp): Ditto.
7219 * tree-ssa-dom.c (pass_dominator): Ditto.
7221 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7223 * tree-ssa-operands.c: Cleanup whitespace.
7224 (get_asm_expr_operands): Move before first invocation.
7225 (get_indirect_ref_operands): Likewise.
7226 (get_tmr_operands): Likewise.
7227 (get_call_expr_operands): Likewise.
7228 (append_def): Likewise.
7229 (append_use): Likewise.
7230 (append_v_may_def): Likewise.
7231 (append_v_must_def): Likewise.
7232 (add_call_clobber_ops): Likewise.
7233 (add_call_read_ops): Likewise.
7234 (add_stmt_operand): Likewise.
7235 (add_virtual_operand): Likewise.
7236 (build_ssa_operands): Likewise.
7238 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7243 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7244 with a call expr to ...
7245 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7247 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7249 * tree-vrp.c (extract_range_from_assert): Remove special
7250 handling for types with super-types.
7252 2006-03-01 Ben Elliston <bje@au.ibm.com>
7254 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7255 and powerpc64-*-linux* configurations.
7256 * config/t-dfprules: New file.
7258 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7259 Compile dfp-bit.c from the source directory using -DWIDTH and
7260 $DFP_CFLAGS to control the compilation of that file, rather than
7261 generating width-specific versions in the build directory.
7262 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7263 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7265 2006-02-28 Zack Weinberg <zackw@panix.com>
7267 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7270 2006-02-28 Eric Christopher <echristo@apple.com>
7272 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7273 Set up IN_LIBGCC definition of TARGET_64BIT.
7274 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7276 2006-02-28 Roger Sayle <roger@eyesopen.com>
7279 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7280 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7281 cases via the construction of "expr != 0".
7283 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7285 * alias.c (alias_invariant, alias_invariant_size): Remove.
7286 (record_base_value): Remove.
7287 (memrefs_conflict_p): Don't look at alias_invariant.
7288 (end_alias_analysis): Don't free it.
7289 * alias.h (record_base_value): Remove prototype.
7291 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7292 Adam Nemet <anemet@caviumnetworks.com>
7294 * rtl.h (truncated_to_mode): Declare it.
7295 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7296 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7297 (RTL_HOOKS_INITIALIZER): Include it.
7298 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7299 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7300 reg_truncated_to_mode.
7301 * rtlanal.c (truncated_to_mode): Define it.
7302 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7304 2006-02-28 Jeff Law <law@redhat.com>
7306 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7307 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7308 the range allowed by TYPE_PRECISION.
7310 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7312 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7314 PR tree-optimization/26419
7315 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7318 2006-02-27 Zack Weinberg <zackw@panix.com>
7320 * doc/md.texi: Fix typo in previous change.
7322 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7326 2006-02-27 Zack Weinberg <zackw@panix.com>
7328 * rtl.def (define_constraint, define_register_constraint)
7329 (define_memory_constraint, define_address_constraint): New MD forms.
7330 * gensupport.c (process_rtx): Put define_constraint etc on the
7332 * genpreds.c (process_define_predicate): Adjust comment. Validate
7333 the name, and call validate_exp to validate the expression.
7334 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7335 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7336 all callers changed.
7337 (validate_exp, needs_variable, struct constraint_data)
7338 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7339 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7340 (const_dbl_constraints, constraint_max_namelen)
7341 (have_register_constraints, have_memory_constraints)
7342 (have_address_constraints, have_address_constraints)
7343 (have_extra_constraints, have_const_int_constraints)
7344 (have_const_dbl_constraints, mangle, add_constraint)
7345 (process_define_constraint, process_define_register_constraint)
7346 (write_enum_constraint_num, write_lookup_constraint)
7347 (write_insn_constraint_len, write_regclass_for_constraint)
7348 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7349 (write_insn_extra_memory_constraint)
7350 (write_insn_extra_address_constraint)
7351 (write_satisfies_constraint_fns): New.
7352 (write_tm_preds_h): If we have new-style constraint definitions,
7353 prototype the functions generated from them, and define the
7354 old constraint interface (still used by generic code) in terms of
7356 (write_insn_preds_c): If we have new-style constraint definitions,
7357 generate all relevant functions from those definitions.
7358 (main): Handle define_constraint etc.
7359 * genoutput.c (struct constraint_data, indep_constraints)
7360 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7361 (mdep_constraint_len): New data structures and functions, defined
7362 #ifdef USE_MD_CONSTRAINTS.
7363 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7364 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7365 use new logic to validate operand constraints against constraint
7367 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7369 * defaults.h: If none of the old-style constraint macros are
7370 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7371 old-style macros; and poison REG_CLASS_FROM_LETTER,
7372 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7374 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7375 * doc/md.texi: Document new constraint-definition mechanism and the
7376 C interface it provides. Remove references to old mechanism
7377 elsewhere in the document.
7378 (Machine Constraints): Use pathnames relative to gcc directory,
7379 i.e. config/ARCH/FILE. Change i386 section to refer to
7380 config/i386/predicates.md; update that section to match docstrings.
7381 * doc/tm.texi: Move all documentation of the old constraint-
7382 definition macros to their own section, clearly mark as obsolete.
7384 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7385 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7387 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7388 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7389 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7391 (splits and peepholes): Use satisfies_constraint_*.
7392 * config/i386/i386.c (memory_address_length)
7393 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7395 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7397 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7398 scalar operation to be put back into the loop.
7400 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7403 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7404 (extract_cie_info): Handle S flag in augmentation string.
7405 (execute_cfa_program): If context->signal_frame, execute also
7406 fs->pc == context->ra instructions.
7407 (uw_frame_state_for): If context->signal_frame, don't subtract one
7408 from context->ra to find FDE.
7409 (uw_update_context_1): Set context->signal_frame to
7411 (_Unwind_GetIPInfo): New function.
7412 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7413 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7415 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7416 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7417 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7418 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7419 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7420 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7421 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7422 x86_64_fallback_frame_state): Set fs->signal_frame.
7423 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7424 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7425 (frob_update_context): Likewise. Workaround missing S flag in
7426 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7427 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7428 Remove the psw_addr + 1 hack.
7430 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7432 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7433 with aggregates here.
7434 (find_func_aliases): Remove code for &<aggregate> from here.
7436 2006-02-26 Roger Sayle <roger@eyesopen.com>
7438 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7439 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7440 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7443 2006-02-26 Roger Sayle <roger@eyesopen.com>
7446 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7448 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7450 * opts.c (decode_options): Do not handle flag_strength_reduce.
7451 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7452 and OPT_fstrength_reduce.
7453 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7454 flag_prefetch_loop_arrays for being nonzero.
7455 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7457 (fprefetch-loop-arrays-rtl): Removed.
7458 (flag_prefetch_loop_arrays): Do not specify the value.
7460 * doc/passes.texi: Update documentation of loop optimizer
7462 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7463 -frerun-loop-opt): Remove.
7465 2006-02-26 Richard Guenther <rguenther@suse.de>
7467 PR tree-optimization/26421
7468 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7469 in function calls that are ADDR_EXPRs as using the whole structure.
7471 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7473 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7474 * tree-pass.h (pass_loop_optimize): Remove.
7475 * passes.c (pass_loop_optimize): Never run it.
7476 * toplev.c (backend_init): Don't call init_loop.
7477 * opts.c (flag_loop_optimize_set): Remove.
7478 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7479 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7480 the old RTL loop optimizer when profiling enabled.
7481 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7482 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7483 pre-headers for the sake of the old RTL loop optimizer.
7484 * Makefile.in: Remove all references to loop.o.
7486 * doc/invoke.texi: Remove all references to -floop-optimize
7487 and -frerun-loop-opt.
7489 2006-02-26 Zack Weinberg <zackw@panix.com>
7491 * doc/md.texi (Machine Constraints): Refer to all files with paths
7492 relative to gcc directory (i.e. config/CPU/file). Add missing
7493 @table @code ... @end table to M32C subsection.
7495 2006-02-26 Roger Sayle <roger@eyesopen.com>
7497 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7499 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7501 2006-02-26 Roger Sayle <roger@eyesopen.com>
7502 James A. Morrison <phython@gcc.gnu.org>
7505 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7506 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7507 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7508 signedness of the shift operation.
7510 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7512 PR tree-optimization/26359
7513 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7515 2006-02-25 Roger Sayle <roger@eyesopen.com>
7517 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7518 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7519 as X == 0, and some symmetry related transformations.
7520 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7522 2006-02-25 Roger Sayle <roger@eyesopen.com>
7525 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7526 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7527 symmetry related transformations. Fold (X^C1) == C2 as
7530 2006-02-25 Juergen Weigert <jw@suse.de>
7531 Richard Guenther <rguenther@suse.de>
7533 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7535 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7537 * combine.c (gen_lowpart_or_truncate): Call
7538 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7540 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7542 * doc/invoke.texi: Move -fopenmp description to "Options for
7544 Remove reference to -lgomp.
7546 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7548 * doc/install.texi: Require GNU tar version 1.14.
7550 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7552 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7553 * doc/invoke.texi (C++ Dialect Options): Document
7554 -fno-use-cxa-get-exception-ptr.
7555 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7556 * configure: Regenerate.
7557 * c.opt (fuse-cxa-get-exception-ptr): New.
7558 * c-opts.c (c_common_handle_option): Handle
7559 OPT_fuse_cxa_get_exception_ptr.
7560 * c-common.c (flag_use_cxa_atexit): Update documentation.
7561 (flag_use_cxa_get_exception_ptr): New.
7562 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7563 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7565 (C_COMMON_OVERRIDE_OPTIONS): New.
7567 2006-02-24 Roger Sayle <roger@eyesopen.com>
7570 * combine.c (try_combine): Explicitly check whether GET_CODE is
7571 a SET or a CLOBBER, instead on checking that it isn't a USE.
7573 2006-02-24 Roger Sayle <roger@eyesopen.com>
7575 * fold-const.c (fold_comparison): New subroutine of fold_binary
7576 containing transformations common to both the equality and
7577 ordering relational operators, factored out of fold_binary.
7578 (fold_binary): Separate out the equality operators (EQ_EXPR
7579 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7580 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7581 transformations common to both.
7582 (fold_div_compare): Fix latent bugs in the previously unreachable
7583 LT_EXPR and GE_EXPR cases.
7585 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7587 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7588 decl libname for clog to __clog on AIX.
7590 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7592 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7595 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7596 output traceback table for thunks. Localise rs6000_stack_info call.
7598 2006-02-23 Roger Sayle <roger@eyesopen.com>
7599 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7601 * gthr-posix.h (__gthrw): Fix typo in comment.
7603 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7605 * doc/cpp.texi (Character sets): Document that we do support
7606 input files to be in any character set.
7608 2006-02-23 Jeff Law <law@redhat.com>
7610 * tree.h (PHI_ARG_NONZERO): Remove.
7611 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7612 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7613 node to the new node.
7615 PR tree-optimization/26425
7616 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7617 min/max, then assume its varying.
7619 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7621 PR rtl-optimization/26316
7622 * rtlanal.c (enum may_trap_p_flags): New.
7623 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7624 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7625 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7626 (may_trap_after_code_motion_p): New function.
7627 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7628 (find_invariant_insn): Use may_trap_after_code_motion_p.
7629 * rtl.h (may_trap_after_code_motion_p): Declare.
7631 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7633 * emit-rtl.c (immed_double_const): Cleanup.
7635 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7637 Fix PR tree-optimization/26376
7638 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7641 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7644 * gimplify.c (omp_add_variable): Guard variable size decl test with
7645 DECL_SIZE (decl) check.
7647 2006-02-23 Richard Guenther <rguenther@suse.de>
7650 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7651 like aggregate types.
7653 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7655 * configure.ac: Add --with{,out}-long-double-128 configure option.
7656 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7657 * configure: Rebuilt.
7658 * config.in: Rebuilt.
7659 * doc/install.texi (Options specification): Document
7660 --with-long-double-128.
7662 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7663 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7664 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7665 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7667 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7669 * config/s390/s390.c (override_options): Handle
7670 TARGET_DEFAULT_LONG_DOUBLE_128.
7672 * config/alpha/alpha.c (override_options): Handle
7673 TARGET_DEFAULT_LONG_DOUBLE_128.
7675 * config/sparc/sparc.c (sparc_override_options): Handle
7676 TARGET_DEFAULT_LONG_DOUBLE_128.
7678 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7680 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7681 (real-install-headers-tar, real-install-headers-cpio)
7682 (real-install-headers-cp): New targets.
7684 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7686 * tree.h (variable_section): Delete.
7687 * varasm.c (variable_section): Delete.
7689 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7691 * install.texi: Add notes on install.texi2html.
7692 (Building in parallel): Do not use footnotes.
7694 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7697 * doc/install.texi (Configuration): Document --disable-libgomp.
7699 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7701 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7703 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7705 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7706 (vec_extractv2df_0_sse): New.
7708 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7710 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7711 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7712 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7713 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7714 to the result of the expression.
7715 (def_cfa_1): Adjust.
7716 (frame_pointer_cfa_offset): Rename to...
7717 (frame_pointer_fb_offset): ... this. Adjust all uses.
7718 (convert_cfa_to_loc_list): Rename to...
7719 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7720 Pass it on to build_cfa_loc.
7721 (compute_frame_pointer_to_cfa_displacement): Rename to...
7722 (compute_frame_pointer_to_fb_displacement): ... this. New
7723 offset parameter. Use it in computation.
7724 (gen_subprogram_die): Compute cfa_fb_offset with the new
7725 macro, and use it to compute the fb loc list and the
7728 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7730 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7731 replaced with register_operand.
7732 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7733 non-DREG is expensive.
7734 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7735 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7738 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7740 * doc/install.texi2html: Use set -e.
7742 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7744 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7745 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7746 * doc/invoke.texi (-fshared-data): Delete.
7747 * common.opt (fshared-data): Delete.
7748 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7749 (assemble_static_space): Remove #if 0 code.
7750 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7751 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7752 * config/cris/cris.h: Remove FIXME.
7754 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7756 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7759 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7762 * combine.c (simplify_shift_const_1): Disable nested shifts
7763 optimization for vector shifts.
7765 2006-02-20 Roger Sayle <roger@eyesopen.com>
7767 PR tree-optimization/26361
7768 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7769 of unsigned integer types.
7771 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7773 * tree-chrec.c (eq_evolutions_p): New.
7774 * tree-chrec.h (eq_evolutions_p): Declared.
7775 * tree-data-ref.c: Fix formatting.
7776 (datadep_stats, dependence_stats): New.
7778 (print_direction_vector): New.
7779 (dump_data_dependence_relation): Use print_direction_vector.
7780 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7781 (compute_subscript_distance): Static.
7782 (initialize_data_dependence_relation): Static. Get the number
7783 of loops surrounding the references from the callers, and initialize
7784 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7785 base_object_differ_p analyzers.
7786 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7787 compute_overlap_steps_for_affine_1_2,
7788 analyze_subscript_affine_affine): Count the classified dependences.
7789 Print a message when a test failed.
7790 (can_use_analyze_subscript_affine_affine): New.
7791 (analyze_siv_subscript): Compute the data dependences on symbolic
7792 scevs that verify can_use_analyze_subscript_affine_affine.
7793 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7794 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7795 Handle symbolic scevs.
7796 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7798 (subscript_dependence_tester): Moved...
7799 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7800 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7801 DDR_SIZE_VECT instead of getting it in parameter.
7802 (subscript_dependence_tester): ... here. Take as a parameter
7803 loop_nest_depth. Call build_classic_dist_vector and
7804 build_classic_dir_vector.
7805 (compute_affine_dependence): Update subscript_dependence_tester
7806 parameters. Update datadep_stats counters. Call
7807 compute_subscript_distance.
7808 (compute_self_dependence): Save the dist and dir vectors. Call
7809 compute_subscript_distance.
7810 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7811 (compute_all_dependences): Reorder parameters as they were before
7812 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7813 compute_subscript_distance. Update the use of
7814 compute_affine_dependence and initialize_data_dependence_relation.
7815 (find_data_references_in_loop): Handle COMPONENT_REF.
7816 (compute_data_dependences_for_loop): Initialize dependence_stats.
7817 Don't call build_classic_dist_vector and build_classic_dir_vector.
7818 Update the parameters of initialize_data_dependence_relation and
7819 compute_all_dependences. Print the statistics from datadep_stats.
7820 (analyze_all_data_dependences): Static. Not used until the pass for
7821 checking the data dependences is contributed.
7822 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7823 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7824 (initialize_data_dependence_relation, compute_affine_dependence,
7825 analyze_all_data_dependences, compute_subscript_distance): Removed.
7826 (print_direction_vector): New.
7827 * lambda.h (gcd): ... here.
7828 (lambda_vector_gcd): Moved here from gcd_vector.
7829 * lambda-code.c (gcd, gcd_vector): Removed.
7830 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7831 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7833 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7835 * ipa-type-escape.c: Tidy some comments and white space.
7836 * tree-ssa-operands.c: Likewise.
7838 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7841 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7842 (dump_decl_name): Do not walk the decl tree chains.
7843 * tree-pass.h (TDF_CHAIN): Remove.
7845 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7847 * Makefile.in (C): Remove
7849 (.PHONY): Remove C and PROTO
7851 2006-02-20 Roger Sayle <roger@eyesopen.com>
7854 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7855 deprecated CHAR_TYPE tree code.
7857 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7859 * configure.ac (target_list): Add install-info, dvi, html.
7860 * configure: Regenerate.
7862 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7863 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7864 treelang/Make-lang.in: Do not use double-colon rules.
7866 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7868 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7869 (TMT_USED_ALONE): New macro.
7870 * tree-pass.h (PROP_tmt_usage): New property.
7871 (TODO_update_tmt_usage): New todo.
7872 * tree-ssa-alias.c (updating_used_alone): New variable.
7873 (recalculate_used_alone): New function.
7874 (compute_may_aliases): Set updating_used_alone, call
7875 recalculate_used_alone.
7876 * tree-sra.c (pass_sra): Note that this pass destroys
7877 PROP_tmt_usage, and add TODO_update_tmt_usage.
7878 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7879 * tree-flow.h (updating_used_alone): Prototype.
7880 (recalculate_used_alone): Ditto.
7881 * passes.c (execute_todo): Add code to set updating_used_alone,
7882 and call recalculate.
7883 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7884 for clobber if used alone, and add assert to verify used_alone
7887 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7889 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7890 for non tls symbols added.
7891 (legitimize_address): Do nothing for PLUS expressions if one of the
7892 addends is a tls symbol reference.
7894 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7898 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7900 * Makefile.in (BOOTSTRAPPING): New.
7901 (quickstrap): New definition if BOOTSTRAPPING=yes.
7903 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7904 * configure.ac: Substitute all_selected_languages with the languages
7905 that were configured. For all the other variables except
7906 lang_specs_files, include all the languages in the tree.
7907 * configure: Regenerate.
7909 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7910 if there is one. Run the commands to run fixincludes in the same
7913 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7914 * doc/install.texi: Document exact conventions for searching target tools.
7915 Document --with-build-time-tools. Document toplevel bootstrap. Document
7916 something more about building an Ada cross-compiler. Don't list GNU Make
7917 requirements which affect all platforms.
7919 2006-02-19 Roger Sayle <roger@eyesopen.com>
7922 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7923 only equivalent if the have both the same mode and precision.
7925 2006-02-20 Ben Elliston <bje@au.ibm.com>
7927 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7929 2006-02-19 Roger Sayle <roger@eyesopen.com>
7930 Steven Bosscher <stevenb.gcc@gmail.com>
7932 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7933 constant pool references to identify stack mode constants.
7934 * rtlanal.c (constant_pool_constant_p): New predicate to check
7935 whether operand is a floating point constant in the pool.
7936 * rtl.h (constant_pool_constant_p): Prototype here.
7937 * loop.c (scan_loop): Avoid hoisting constants from the constant
7938 pool on STACK_REGS targets.
7939 (load_mems): Likewise.
7940 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7941 loads into x87 registers expensive in terms of register pressure.
7943 2006-02-19 Roger Sayle <roger@eyesopen.com>
7945 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7946 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7948 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7950 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7951 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7953 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7955 * doc/invoke.texi: Document -fipa-pta.
7956 * common.opt: Add ipa-pta option.
7957 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7958 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7959 (do_ds_constraint): Ditto.
7960 (get_constraint_for): Only add to referenced_vars if
7961 referenced_vars exists.
7962 (insert_into_field_list): Rewrite to do this unsorted.
7963 (insert_into_field_list_sorted): Rename old insert_into_field_list
7965 (create_function_info_for): Use insert_into_field_list_sorted.
7966 (create_variable_info_for): Rewrite so it uses unsorted version,
7967 since the field list is sorted.
7968 (intra_create_variable_infos): Only add to referenced_vars if
7969 referenced_vars exists.
7970 (ipa_pta_execute): Init heapvars, and delete when done.
7971 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7973 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7975 * doc/install.texi: Add missing `@samp'.
7977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7979 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7982 2006-02-18 Mark Wielaard <mark@klomp.org>
7984 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7985 who added new 4.1 features, bug fixes and integration support.
7987 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7990 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7993 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7995 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7996 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7997 (copy_insn_1): Likewise. Don't copy each field individually.
7999 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8001 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8002 * rtl.c (rtx_size): Rename variable to...
8003 (rtx_code_size): ...this.
8004 (rtx_size): New function.
8005 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8006 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8008 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8009 * rtl.h (rtx_code_size): New variable.
8010 (rtx_size): Change from a variable to a function.
8011 (RTX_SIZE): Rename to...
8012 (RTX_CODE_SIZE): ...this.
8015 PR tree-optimization/17106
8016 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8017 (Anchored Addresses): New section.
8018 * doc/invoke.texi (-fsection-anchors): Document.
8019 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8020 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8021 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8022 * hooks.c (hook_bool_mode_rtx_false): New function.
8023 * hooks.h (hook_bool_mode_rtx_false): Declare.
8024 * gengtype.c (create_optional_field): New function.
8025 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8026 SYMBOL_REF_IN_BLOCK_P is true.
8027 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8028 (min_anchor_offset, max_anchor_offset): Likewise.
8029 (use_anchors_for_symbol_p): New hook.
8030 * toplev.c (compile_file): Call output_object_blocks.
8031 (target_supports_section_anchors_p): New function.
8032 (process_options): Check that -fsection-anchors is only used on
8033 targets that support it and when -funit-at-a-time is in effect.
8034 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8035 if the decl doesn't have one.
8036 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8037 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8038 of force_const_mem through use_anchored_address.
8039 (expand_expr_constant): New function.
8040 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8041 calling expand_expr for INDIRECT_REF.
8042 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8043 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8044 * expr.h (use_anchored_address): Declare.
8045 * loop-unroll.c: Don't declare rtx vectors here.
8046 * explow.c: Include output.h.
8047 (validize_mem): Call use_anchored_address.
8048 (use_anchored_address): New function.
8049 * common.opt (-fsection-anchors): New switch.
8050 * varasm.c (object_block_htab, anchor_labelno): New variables.
8051 (hash_section, object_block_entry_eq, object_block_entry_hash)
8052 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8053 (use_blocks_for_decl_p, change_symbol_section): New functions.
8054 (get_variable_section): New function, split out from assemble_variable.
8055 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8056 use_blocks_for_decl_p say so. Use change_symbol_section if the
8057 symbol has already been created.
8058 (assemble_variable_contents): New function, split out from...
8059 (assemble_variable): ...here. Don't output any code for
8060 block symbols; just pass them to place_block_symbol.
8061 Use get_variable_section and assemble_variable_contents.
8062 (get_constant_alignment, get_constant_section, get_constant_size): New
8063 functions, split from output_constant_def_contents.
8064 (build_constant_desc): Create a block symbol if use_object_blocks_p
8065 says so. Or into SYMBOL_REF_FLAGS.
8066 (assemble_constant_contents): New function, split from...
8067 (output_constant_def_contents): ...here. Don't output any code
8068 for block symbols; just pass them to place_section_symbol.
8069 Use get_constant_section and get_constant_alignment.
8070 (force_const_mem): Create a block symbol if use_object_blocks_p and
8071 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8072 (output_constant_pool_1): Add an explicit alignment argument.
8073 Don't switch sections here.
8074 (output_constant_pool): Adjust call to output_constant_pool_1.
8075 Switch sections here instead. Don't output anything for block symbols;
8076 just pass them to place_block_symbol.
8077 (init_varasm_once): Initialize object_block_htab.
8078 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8079 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8080 (place_block_symbol, get_section_anchor, output_object_block)
8081 (output_object_block_htab, output_object_blocks): New functions.
8082 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8083 (TARGET_ASM_OUT): Include it.
8084 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8085 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8086 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8087 (TARGET_INITIALIZER): Include them.
8088 * rtl.c (rtl_check_failed_block_symbol): New function.
8089 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8090 (block_symbol, object_block): New structures.
8091 (rtx_def): Add a block_symbol field to the union.
8092 (BLOCK_SYMBOL_CHECK): New macro.
8093 (rtl_check_failed_block_symbol): Declare.
8094 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8095 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8096 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8097 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8098 * output.h (output_section_symbols): Declare.
8099 (object_block): Name structure.
8100 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8101 (default_use_anchors_for_symbol_p): Declare.
8102 * Makefile.in (RTL_BASE_H): Add vec.h.
8103 (explow.o): Depend on output.h.
8104 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8105 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8106 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8107 (rs6000_use_blocks_for_constant_p): New function.
8109 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8111 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8113 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8116 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8119 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8121 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8125 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8128 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8129 instead of DECL_REGISTER.
8131 2006-02-18 Olivier Hainque <hainque@adacore.com>
8134 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8136 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8139 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8140 * opth-gen.awk: Handle Var and InverseMask together.
8141 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8142 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8143 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8144 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8146 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8147 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8148 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8149 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8150 LINUX_DYNAMIC_LINKER): Define.
8151 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8152 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8154 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8155 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8156 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8158 (TARGET_C99_FUNCTIONS): Don't define.
8159 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8160 GLIBC_DYNAMIC_LINKER.
8161 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8162 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8163 GLIBC_DYNAMIC_LINKER64): Define.
8164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8165 LINUX_DYNAMIC_LINKER64.
8166 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8167 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8168 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8170 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8172 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8173 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8174 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8176 and LINUX_DYNAMIC_LINKER32.
8177 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8179 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8181 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8183 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8184 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8185 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8186 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8187 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8188 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8189 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8190 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8191 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8192 LINUX_DYNAMIC_LINKER): Define.
8193 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8194 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8195 GLIBC_DYNAMIC_LINKER64): Define.
8196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8197 LINUX_DYNAMIC_LINKER64.
8198 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8199 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8200 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8201 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8202 LINUX_DYNAMIC_LINKER): Define.
8203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8204 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8205 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8206 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8207 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8208 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8209 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8210 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8211 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8212 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8213 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8214 * doc/invoke.texi (-muclibc): Remove caveat about supported
8217 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8219 * doc/cpp.texi (__TIMESTAMP__): Document.
8221 2006-02-17 Roger Sayle <roger@eyesopen.com>
8224 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8225 C is one less than the width of X (and related transformations).
8226 * simplify-rtx.c (simplify_unary_operation_1): Transform
8227 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8228 depending on STORE_FLAG_VALUE, were C is one less then the
8231 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8233 Fix PR tree-optimization/26341
8234 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8235 about NAME_MEMORY_TAG's.
8237 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8240 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8241 with hardware float support, and software float support. Add fcpy
8242 alternative to hardware patterns. Add alternatives to copy between
8243 general and floating-point registers to the 32-bit pattern.
8244 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8245 secondary reload to load a QI or HI mode constant into a floating
8247 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8248 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8250 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8253 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8255 (load_macho_picbase_di): Likewise.
8257 2006-02-16 Jeff Law <law@redhat.com>
8259 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8260 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8261 (ssa_name_nonzero_p): Likewise.
8262 (get_value_range): Return NULL if VRP is not running.
8263 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8264 VRP routines do not discover a range.
8265 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8266 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8267 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8268 (tree_expr_nonnegative_p): Similarly.
8269 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8270 (restore_nonzero_vars_to_original_value): Remove.
8271 (unsafe_associative_fp_binop): Remove.
8272 (tree_ssa_dominator_optimize): Remove initialization and
8273 finalization of nonzero_vars and nonzero_vars_stack.
8274 (dom_opt_initialize_block): No longer push marker on
8276 (dom_opt_finalize_block): No longer call
8277 restore_nonzero_vars_to_original_value.
8278 (record_equivalences_from_phis): No longer look for
8279 nonzero PHI arguments.
8280 (cprop_into_successor_phis): No longer propagate nonzero
8281 property into PHI arguments. Lose unused argument. Caller
8283 (record_equivalences_from_stmt): No longer record nonzero
8284 values for SSA_NAMEs.
8285 (lookup_avail_expr): No longer use nonzero_vars.
8287 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8288 for sizetype when sizetype is unsigned.
8290 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8292 PR rtl-optimization/25603
8293 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8294 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8295 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8296 with new meaning of SETS.
8298 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8303 * config/linux.opt: New file.
8304 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8305 LINUX_DYNAMIC_LINKER): Define.
8306 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8307 * config.gcc (*-*-linux*): Define extra_options.
8308 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8309 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8310 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8311 GLIBC_DYNAMIC_LINKER.
8312 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8313 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8314 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8316 * doc/invoke.texi (GNU/Linux Options): New section.
8318 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8320 * config/sparc/sparc.md (setjmp): Rewrite.
8321 (setjmp_32): Delete.
8322 (setjmp_64): Likewise.
8324 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8326 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8329 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8331 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8334 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8336 PR rtl-optimization/26296
8337 * Makefile.in (loop-invariant.c): Add except.h dependency.
8338 * loop-invariant.c: Include except.h.
8339 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8341 2005-02-16 Paul Brook <paul@codesourcery.com>
8343 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8346 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8348 PR rtl-optimization/25636
8349 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8350 when deciding whether an insn is an initializing insn.
8352 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8354 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8355 (tree_code_size): Ditto.
8356 * tree.h (struct tree_memory_tag): Remove parent_var.
8357 (struct tree_struct_field_tag): New.
8360 (union tree_node): Add sft member.
8361 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8363 (create_sft): Add size and offset argument, set SFT_OFFSET and
8365 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8366 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8367 * tree-flow-inline.h (get_subvar_at): Update for
8368 SFT_OFFSET/SFT_SIZE.
8369 (var_can_have_subvars): Ditto.
8370 (overlap_subvar): Ditto.
8371 * print-tree.c (print_node): Print out interesting things for
8373 * tree-flow.h (struct subvar): Remove offset and size members.
8374 * tree-ssa-operands.c (get_expr_operands): Update for
8375 get_indirect_ref_operands changes.
8376 (get_indirect_ref_operands): Call add_virtual_operand instead of
8377 add_stmt_operand. Only recurse on base var if requested.
8378 (access_can_touch_variable): New function.
8379 (add_stmt_operand): Split virtual operand handling into ...
8380 (add_virtual_operand): Here. Add offset, size, and for_clobber
8381 arguments. Prune alias sets.
8382 (add_call_clobber_ops): Call add_virtual_operand.
8384 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8387 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8389 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8390 than TREE_CODE as index into omp_clause_num_ops array.
8392 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8394 PR rtl-optimization/26184
8395 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8397 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8398 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8399 must_precede, must_follow and tobe_scheduled.
8402 * opts.c (common_handle_option): Free new_option pointer.
8403 * df-core.c (df_analyze): Free postorder pointer.
8405 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8407 * Makefile.in: Fix the examples about the use of stamps
8409 2006-02-15 Michael Matz <matz@suse.de>
8413 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8414 influenced by maximum_field_alignment or DECL_PACKED.
8415 (update_alignment_for_field): Ditto.
8416 (place_field): Ditto.
8417 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8420 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8422 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8423 (debug_flow_info): Pass it.
8424 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8425 * bb-reorder.c (reorder_basic_blocks): Likewise.
8426 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8427 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8428 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8429 * gcse.c (gcse_main, bypass_jumps): Likewise.
8430 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8431 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8432 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8433 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8434 * rtl.h (dump_flow_info): Adjust prototype.
8435 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8436 * var-tracking.c (variable_tracking_main): Likewise.
8437 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8438 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8441 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8443 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8446 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8448 PR tree-optimization/26209
8449 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8450 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8452 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8454 2006-02-14 Roger Sayle <roger@eyesopen.com>
8457 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8458 (X,Y) and the corresponding symmetry related transformations.
8459 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8460 (X,Y) and its symmetry related transformations.
8462 2006-02-14 Roger Sayle <roger@eyesopen.com>
8464 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8467 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8469 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8471 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8474 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8475 support COMDAT group.
8476 * configure: Regenerate.
8478 2006-02-14 Roger Sayle <roger@eyesopen.com>
8483 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8485 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8487 Fix PR tree-optimization/26260
8489 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8491 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8492 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8493 * tree-ssa-structalias.c (create_variable_info_for): Use
8494 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8496 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8498 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8500 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8501 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8502 of the ending condition.
8503 * tree-ssa-loop-manip.c: Include params.h.
8504 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8505 tree_unroll_loop): New functions.
8506 * tree-pass.h (pass_loop_prefetch): Declare.
8507 * loop.c (rest_of_handle_loop_optimize): Test for
8508 -fprefetch-loop-arrays-rtl.
8509 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8510 * timevar.def (TV_TREE_PREFETCH): New timevar.
8511 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8512 pass_loop_prefetch): New.
8513 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8514 (cleanup_tree_cfg_loop): Call scev_reset.
8515 * common.opt (fprefetch-loop-arrays-rtl): Add.
8516 * tree-ssa-loop-prefetch.c: New file.
8517 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8518 (new_temp_expr_table): Initialize expr_vars.
8519 (free_temp_expr_table): Cleanup expr_vars.
8520 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8521 expressions from being merged into one.
8522 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8523 (struct tree_niter_desc): Add control, bound and cmp fields.
8524 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8526 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8527 (tree-cfgcleanup.o): Add SCEV_H dependency.
8528 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8529 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8531 2006-02-14 Richard Guenther <rguenther@suse.de>
8533 PR tree-optimization/26258
8534 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8535 in PHI argument processing.
8537 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8539 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8540 new expression in the requested machine mode.
8542 2006-02-13 Roger Sayle <roger@eyesopen.com>
8544 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8545 directly, instead let do_compare_rtx_and_jump handle this for us.
8546 * expr.c (expand_expr_real_1): Likewise.
8547 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8548 before do_jump_by_parts_greater.
8549 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8550 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8552 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8554 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8556 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8558 PR rtl-optimization/26235
8559 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8560 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8563 2006-02-13 Jeff Law <law@redhat.com>
8565 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8568 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8571 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8572 twice if decl is a builtin. When trying again, call get_callee_fndecl
8573 first to verify it is still a builtin.
8575 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8577 * dwarf2out.c (base_type_die): Don't add AT_name here.
8578 (subrange_type_die): Don't add AT_name here.
8579 (modified_type_die): Rearrange code flow. Do add AT_name here.
8581 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8583 PR rtl-optimization/26247
8584 PR rtl-optimization/26248
8585 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8587 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8589 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8590 * config/fixtfdi.c: Likewise.
8591 * config/fixunstfdi.c: Likewise.
8592 * config/floatditf.c: Likewise.
8594 2006-02-13 Roger Sayle <roger@eyesopen.com>
8597 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8598 into (X,C2) if C1 is a subset of the bits of C2. Transform
8599 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8601 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8603 2006-02-13 Josh Conner <jconner@apple.com>
8606 * varasm.c (function_section): Check for section name before
8607 calling select_section on targets that define
8608 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8609 unlikely_text_section instead of hot_function_section if
8610 first_function_block_is_cold.
8612 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8615 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8617 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8619 PR rtl-optimization/26222
8620 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8621 after tree->rtl expansion.
8622 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8623 before passing it to emit_move_insn.
8625 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8627 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8629 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8630 Clarify documentation.
8631 * c-common.h (warn_write_strings): Remove.
8632 * c-common.c (warn_write_strings): Likewise.
8633 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8636 2006-02-12 Roger Sayle <roger@eyesopen.com>
8639 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8640 (do_jump_parts_zero_rtx): New function renamed from
8641 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8642 (do_jump_parts_equality_rtx): New function split out from
8643 do_jump_parts_equality. Old implementation renamed as above.
8644 Call do_jump_parts_zero_rtx if either operand is zero.
8645 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8646 do all of the heavy lifting.
8647 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8648 calling either do_jump_by_parts_greater_rtx or
8649 do_jump_by_parts_equality_rtx.
8650 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8651 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8652 moved to do_compare_rtx_and_jump, call it directly.
8653 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8654 mode argument. Call do_compare_rtx_and_jump.
8655 (emit_case_nodes): Update calls to do_jump_if_equal.
8657 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8659 PR rtl-optimization/26225
8660 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8662 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8664 PR rtl-optimization/26232
8665 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8667 2006-02-11 Jason Merrill <jason@redhat.com>
8670 * tree-inline.c (declare_return_variable): Just don't use the
8671 modify target if it's a gimple complex reg and the return slot
8674 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8676 * doc/contrib.texi: Update my entry.
8678 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8680 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8682 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8684 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8687 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8689 * doc/invoke.texi (-floop-optimize2): Removed.
8690 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8691 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8692 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8693 * common.opt (floop-optimize2): Removed.
8694 (fmove-loop-invariants): Enabled by default.
8696 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8698 * tree-if-conv.c (combine_blocks): Free the result of
8699 get_loop_exit_edges.
8701 2006-02-10 Jeff Law <law@redhat.com>
8703 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8705 PR tree-optimization/26213
8706 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8707 loop trying to follow SSA_NAME_VALUE chains.
8709 2006-02-10 Richard Guenther <rguenther@suse.de>
8711 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8712 deal with structures that end in implicitly variable sized arrays.
8714 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8716 PR rtl-optimization/24762
8717 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8720 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8722 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8723 (struct ivopts_data): Add regs_used field.
8724 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8725 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8726 instead of loop_data->regs_used;
8727 (free_loop_data): Do not free aux fields for loops.
8728 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8729 and tree_ssa_iv_optimize_finalize.
8731 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8733 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8735 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8738 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8739 computing the effective result type.
8741 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8744 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8745 (tree_overlaps_hard_reg_set): Declare.
8746 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8747 type and signature to match function type expected by walk_tree.
8748 (tree_overlaps_hard_reg_set): New function.
8749 (decl_conflicts_with_clobbers_p): Rename to:
8750 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8751 Use tree_overlaps_hard_reg_set. Changed caller.
8752 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8753 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8754 * cris.c (cris_md_asm_clobbers): Likewise.
8756 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8758 * reload1.c (emit_input_reload_insns): Delete code that tries to
8759 inherit using find_equiv_reg.
8761 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8763 * c-common.h (flag_const_strings): Don't declare.
8764 * c-common.c (flag_const_strings): Remove.
8765 * c.opt (fconst_strings): Remove.
8766 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8767 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8768 (c_common_init_options): Don't set flag_const_strings.
8769 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8771 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8773 * arm.md (tlobits_cbranch): New pattern.
8774 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8775 testing a single bit.
8777 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8780 * tree-ssa-pre.c (create_component_ref_by_pieces):
8781 Handle RETURN_DECL like VAR_DECL.
8783 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8786 * fold-const.c (fold_indirect_ref_1): Fold
8787 "*(foo *)&complexfoo" to "__real__ complexfoo"
8788 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8790 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8792 * tree-flow-inline.h (var_can_have_subvars):
8793 Volatile variables should not have subvariables.
8795 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8798 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8799 multiplying unsigned values.
8802 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8804 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8806 2006-02-08 Jason Merrill <jason@redhat.com>
8809 * tree.def: Elaborate on difference from MODIFY_EXPR.
8810 * doc/c-tree.texi (INIT_EXPR): Likewise.
8811 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8812 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8813 (gimplify_target_expr): Likewise.
8814 (gimplify_cond_expr): Remove target handling.
8815 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8816 (gimplify_expr): Clobber it here.
8817 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8818 Do return slot optimization if we have an INIT_EXPR.
8821 * tree-inline.c (declare_return_variable): Also clear
8822 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8825 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8828 * gimplify.c (gimplify_one_sizepos): Fix typo.
8830 2006-02-08 Jeff Law <law@redhat.com>
8832 PR tree-optimization/21417
8833 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8834 across a backedge if the control statement at the end of the
8835 block is data dependent on other statements in the same block.
8836 (record_temporary_equivalences_from_stmts): Remove over-conservative
8837 test for threading across backedges.
8839 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8840 control statement, handle all three special cases in the same
8841 manner as they all have the same desired solution. No longer
8842 special case edge flag updating when the post dominator is
8845 2006-02-08 Roger Sayle <roger@eyesopen.com>
8847 * tree.def (CHAR_TYPE): Remove.
8848 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8849 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8850 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8851 (gen_string_type_die): Delete unreachable function.
8853 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8854 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8855 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8856 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8857 * builtins.c (type_to_class): Likewise.
8858 * fold-const.c (fold_convert, build_range_check,
8859 merge_ranges): Likewise.
8860 * expr.c (count_type_elements): Likewise.
8861 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8862 * stor-layout.c (layout_type): Likewise.
8863 * ipa-type-escape.c (type_to_consider): Likewise.
8864 * gimplify.c (omp_firstprivatize_type_sizes,
8865 gimplify_type_sizes): Likewise.
8866 * explow.c (promote_mode): Likewise.
8867 * tree-sra.c (is_sra_scalar_type): Likewise.
8868 * varasm.c (output_constant): Likewise.
8869 * tree-inline.c (remap_type_1): Likewise.
8870 * convert.c (convert_to_pointer, convert_to_real,
8871 convert_to_integer, convert_to_complex): Likewise.
8873 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8875 * df-scan.c (df_def_record_1): A set destination may
8876 be a parallel regardless of mode.
8878 2006-02-08 Roger Sayle <roger@eyesopen.com>
8881 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8882 * config/mips/_tilib.c: Remove.
8883 * config/fixtfdi.c: New libgcc source file.
8884 * config/fixunstfdi.c: New source file.
8885 * config/floatditf.c: New source file.
8886 * config/floatunditf.c: New souce file.
8887 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8888 files above instead of config/mips/_tilib.c.
8889 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8891 2006-02-08 Jeff Law <law@redhat.com>
8893 PR tree-optimization/26169
8894 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8897 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8899 * df.h (DF_REG_SIZE): Return the length of the initialized
8902 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8904 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8905 __muldf3): Return a correctly signed zero.
8907 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8909 * passes.c (register_one_dump_file): Accept the current properties
8910 instead of pass number. Adjust call to dump_register. Remove
8912 (register_dump_files): Now a wrapper around...
8913 (register_dump_files_1): ... this one. Do not modify the pass
8915 (next_pass_1): Cosmetic fix.
8916 (execute_todo): Keep second parameter only. Use curr_properties
8917 instead of fetching it from the pass structure. Check and set
8919 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8920 instead of fetching it from the pass structure. Fix calls to
8921 execute_todo. Update curr_properties and initialize .vcg RTL dump
8922 after running the pass. Reset last_verified.
8923 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8925 (FIRST_AUTO_NUMBERED_DUMP): New.
8926 (dump_register): Remove "num" parameter, assign it within the
8928 (get_dump_file_name): Modify template for dumps.
8929 * tree-dump.h (dump_register): Adjust prototype.
8930 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8931 (PROP_trees): Add PROP_gimple_lomp.
8932 (TODO_set_props): New.
8933 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8934 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8935 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8937 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8939 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8940 (sparc64-*-linux*): Likewise.
8941 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8942 * config/sparc/t-linux: New file.
8943 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8944 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8945 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8946 -m32 -mlong-double-128.
8948 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8949 * config/alpha/t-linux: New file.
8950 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8952 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8953 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8954 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8955 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8956 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8957 (CPP_ARCH32_SPEC): Remove.
8959 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8961 PR tree-optimization/26145
8962 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8965 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8968 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8969 >= 240000 when generating code for SOM runtime.
8970 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8971 to $$dyncall when generating code for SOM runtime..
8973 2006-02-07 Dirk Mueller <dmueller@suse.com>
8976 * doc/invoke.texi (-Wsequence-point): Update documentation
8977 that -Wsequence-point is implemented for C++ as well.
8979 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8981 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8982 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8983 (LIB_SPEC): Likewise.
8984 * doc/invoke.texi (SPARC options): Document -pthread.
8986 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8988 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8991 2006-02-07 Roger Sayle <roger@eyesopen.com>
8993 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8994 Correct comment describing BOOLEAN_TYPE.
8996 2006-02-07 Dirk Mueller <dmueller@suse.com>
8998 * c.opt: C++ frontend supports -Wdiv-by-zero.
8999 * c-opts.c (c_common_handle_option): Remove dead case.
9001 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9003 * configure.ac (TLS assembler check): Do not enable TLS by
9004 default on SPARC/Solaris before version 10.
9005 * configure: Regenerate.
9007 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9009 * doc/invoke.texi (xl-compat): Document conversion and support
9012 2006-02-07 Jeff Law <law@redhat.com>
9014 * tree-vrp.c (find_conditional_asserts): Update comments.
9015 (simplify_stmt_for_jump_threading): New.
9016 (identify_jump_threads, finalize_jump_threads): New.
9017 (vrp_finalize): Call identify_jump_threads.
9018 (execute_vrp): Call finalize_jump_threads.
9019 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9020 (vrp_element, vrp_data, vrp_element_p): Remove.
9021 (vrp_hash_elt, vrp_variables_stack): Remove.
9022 (vrp_hash, vrp_eq, record_range): Remove.
9023 (simplify_cond_and_lookup_avail_expr): Remove.
9024 (extract_range_from_cond): Remove.
9025 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9026 (simplify_stmt_for_jump_threading): New.
9027 (dom_thread_across_edge): New wrapper.
9028 (tree_ssa_dominator_optimize): No longer initialize or
9029 finalize any of the VRP datastructures. Remove iteration
9030 step and simplify as a result of removal of iteration step.
9031 (pass_dominator): Perform a cfg cleanup after DOM.
9032 (dom_opt_finalize_block): Use the new common routines
9033 for threading jumps. Simplify stack management slightly.
9034 No longer need to unwind VRP state.
9035 (record_equivalences_from_incoming_edge): No longer record
9037 (eliminate_redundant_computations): No longer call
9038 simplify_cond_and_lookup_avail_expr.
9039 * tree-flow.h (potentially_threadable_block): Prototype.
9040 (thread_across_edge): Likewise.
9041 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9042 (tree-ssa-threadedge.o): Add dependencies.
9043 * tree-ssa-threadedge.c: New file.
9044 * passes.c (init_optimization_passes): Merge PHIs before
9045 calling VRP. Run VRP again late in the SSA optimization pipeline.
9047 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9049 * df-core.c (df_set_blocks): Do not dereference function pointers.
9050 (df_finish1): Likewise.
9051 (df_hybrid_search_forward): Likewise.
9052 (df_hybrid_search_backward): Likewise.
9053 (df_iterative_dataflow): Likewise.
9054 (df_analyze_problem): Likewise.
9055 (df_compact_blocks): Likewise.
9056 (df_dump): Likewise.
9057 * df-scan.c (df_rescan_blocks): Likewise.
9058 (df_record_entry_block_defs): Likewise.
9060 * genconditions.c (write_conditions): Guard the definition of
9061 'insn_conditions' with the check on GCC version.
9062 (write_writer): Guard the traversal 'insn_conditions' with
9063 the check on GCC version.
9065 2006-02-07 Richard Guenther <rguenther@suse.de>
9069 2006-01-30 Richard Guenther <rguenther@suse.de>
9071 * gimplify.c (gimplify_target_expr): Handle easy cases
9072 without creating a temporary.
9074 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9076 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9077 use of float in probability computations. Use edge probabilities
9078 in place of statically computed probabilities.
9079 (min_spec_prob): New static variable.
9080 (schedule_insns): Initialize it.
9081 (GET_SRC_PROB): Removed.
9082 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9084 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9087 * config/ia64/unwind-ia64.c: Revert last change.
9088 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9089 (INCOMING_FRAME_SP_OFFSET): Define.
9091 2006-02-06 Roger Sayle <roger@eyesopen.com>
9093 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9095 2006-02-07 Ben Elliston <bje@au.ibm.com>
9097 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9098 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9099 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9100 (ix86_return_in_memory): Handle TDmode.
9101 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9102 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9104 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9106 * reorg.c (dbr_schedule): Use dump_file instead of file.
9108 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9111 * config/ia64/predicates.md (extr_len_operand): New predicate.
9112 * config/ia64/ia64.md (extv): Tighten constraints.
9114 (*tbit_and_2): Ditto.
9115 (*tbit_and_3): Ditto.
9116 (*tbit_or_2): Ditto.
9117 (*tbit_or_3): Ditto.
9121 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9124 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9126 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9128 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9129 loop_optimizer_init and loop_optimizer_finalize
9130 * tree-ssa-sink.c (execute_sink_code): Ditto.
9131 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9132 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9133 tree_ssa_loop_done): Ditto.
9134 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9135 * sched-ebb.c: Include output.h.
9136 (schedule_ebbs): Do not use dump argument.
9137 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9138 * loop.c (loop_dump_stream): Removed.
9139 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9141 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9142 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9143 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9144 loop_iterations, strength_reduce, record_biv, record_giv,
9145 final_giv_value, check_final_value, check_ext_dependent_givs,
9146 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9147 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9148 dump_file instead of loop_dump_stream.
9149 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9151 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9153 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9154 * haifa-sched.c: Include output.h
9155 (schedule_insns, sched_init): Do not use dump argument.
9156 * mode-switching.c (optimize_mode_switching): Ditto.
9157 * modulo-sched.c (stats_file): Removed.
9158 (print_node_sched_params): Do not call argument dump_file.
9159 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9160 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9162 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9164 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9165 rtl_loop_init, rtl_loop_done): Ditto.
9166 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9167 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9169 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9170 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9171 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9172 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9173 * emit-rtl.c (renumber_insns): Ditto.
9174 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9175 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9176 * regclass.c (regclass): Ditto.
9177 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9178 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9179 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9180 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9182 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9183 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9185 * gcse.c (gcse_file, debug_stderr): Removed.
9186 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9187 rest_of_handle_gcse): Do not use dump argument.
9188 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9189 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9190 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9191 compute_code_hoist_vbeinout, compute_code_hoist_data,
9192 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9193 compute_store_table, build_store_vectors, insert_insn_start_bb,
9194 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9195 store_motion): Use dump_file instead of gcse_file.
9196 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9197 * profile.c (profile_dump_file): Removed.
9198 (branch_prob): Use dump_file instead of profile_dump_file.
9199 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9201 * tree-ssa-copy.c (dump_copy_of): Ditto.
9202 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9203 dump file to life_analysis.
9204 * bt-load.c (branch_target_load_optimize): Ditto.
9205 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9207 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9208 regclass, dbr_schedule): Declaration changed.
9209 * sched-int.h (sched_init): Declaration changed.
9210 * tree-profile.c (tree_profile_dump_file): Removed.
9211 (tree_profile_hooks): Removed profile_dump_file hook.
9212 * rtl-profile (rtl_profile_dump_file): Removed.
9213 (rtl_profile_hooks): emoved profile_dump_file hook.
9214 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9216 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9217 * tree-cfg.c (build_tree_cfg): Ditto.
9218 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9219 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9220 Declaration changed.
9221 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9222 life_analysis and schedule_insns.
9223 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9225 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9227 * config/mips/mips.c (mips_reorg): Ditto.
9228 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9231 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9233 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9234 (s390_mangle_fundamental_type): New.
9235 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9238 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9239 (alpha_mangle_fundamental_type): New.
9240 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9243 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9245 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9247 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9248 (sparc_mangle_fundamental_type): New.
9250 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9252 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9253 (s390x-*-linux*): Likewise.
9254 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9255 * config/s390/t-linux: New file.
9257 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9259 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9260 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9262 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9264 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9265 (ANTIC_SAFE_LOADS): New macro.
9266 (find_or_generate_expression): Add prototype.
9267 (set_contains_value): Allow null set for sake of not always having
9268 to allocate ANTIC_SAFE_LOADS.
9269 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9270 Allow COMPONENT_REF too.
9271 (valid_in_set): Allow COMPONENT_REF.
9272 Check ANTIC_SAFE_LOADS too.
9273 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9274 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9276 (can_PRE_operation): Add COMPONENT_REF.
9277 (create_component_ref_by_pieces): New function.
9278 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9279 (insert_aux): Move AGGREGATE_TYPE_P check here.
9280 (compute_avail): Set bb local stmt uids.
9281 (pass_pre): Use TODO_update_ssa_only_virtuals.
9283 2006-02-06 Ben Elliston <bje@au.ibm.com>
9285 * configure.ac: Unconditionally disable decimal float by default.
9286 * configure: Regenerate.
9288 2006-02-06 Ben Elliston <bje@au.ibm.com>
9290 * read-rtl.c (read_name): Terminate reading on EOF.
9292 2006-02-06 Ben Elliston <bje@au.ibm.com>
9294 * dfp.c (decimal_real_arithmetic): Change second argument type
9295 from int to enum tree_code. Do not always return true, but now
9296 return result of any call to decimal_do helper functions.
9297 * dfp.h (decimal_real_arithmetic): Update prototype.
9299 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9301 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9303 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9306 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9309 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9311 * tree-vrp.c (cfg_loops): Removed.
9312 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9313 Use current_loops instead of cfg_loops. Pass flags to
9314 loop_optimizer_init.
9315 * cfgloopmanip.c (fix_loop_structure): Update only available
9317 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9318 loop_optimizer_init.
9319 * modulo-sched.c (build_loops_structure): Removed.
9320 (sms_schedule): Use loop_optimizer_init.
9321 * loop-init.c (loop_optimizer_init): Use flags to determine
9322 which properties of loops to prepare.
9323 (rtl_loop_init): Pass flags to loop_optimizer_init.
9324 * tree-ssa-sink.c (execute_sink_code): Ditto.
9325 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9326 * tree-ssa-pre.c (init_pre): Ditto.
9327 * cfgloop.h (LOOPS_NORMAL): New.
9328 (loop_optimizer_init): Declaration changed.
9330 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9332 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9333 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9335 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9337 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9339 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9340 * pa/t-pa64: Delete quadlib.c rule.
9341 * pa/x-ada: Revert last change.
9342 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9344 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9346 PR rtl-optimization/26087
9347 * rtlanal.c (canonicalize_condition): Do not cross basic block
9350 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9353 * config/ia64/ia64.c: Include debug.h.
9354 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9355 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9356 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9357 (process_epilogue, process_set, process_for_unwind_directive):
9358 Output unwind info only if requested. Add CFA info if requested.
9359 Add new arguments as needed. Adjust callers.
9360 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9362 (DWARF2_FRAME_INFO): Define to zero.
9363 * config/ia64/unwind-ia64.c: Remove code that compensated for
9364 the CFA offset error fixed above.
9365 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9366 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9367 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9368 -funwind-tables and -fexceptions to enable frame info.
9369 (dwarf2out_frame_init): Define initial CFA even if
9370 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9371 DWARF2_UNWIND_INFO is nonzero, not just defined.
9372 (dwarf2out_frame_finish): Output non-EH call frame info only
9373 if DWARF2_FRAME_INFO is nonzero.
9374 (convert_cfa_to_loc_list,
9375 compute_frame_pointer_to_cfa_displacement): Define even if
9376 unwind info is not supported.
9377 (gen_subprogram_die): Use the above unconditionally. Remove
9378 legacy alternate code.
9379 * toplev.c (compile_file): Compile in call to
9380 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9381 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9383 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9384 Jakub Jelinek <jakub@redhat.com>
9386 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9387 IBM extended float format long double as "g" on powerpc*-linux.
9389 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9392 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9393 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9395 2006-02-03 Jason Merrill <jason@redhat.com>
9398 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9401 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9402 on the return slot if it's an NRV.
9404 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9406 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9407 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9408 rewrite_use): Do not handle USE_OUTER.
9409 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9410 add_iv_outer_candidates, may_replace_final_value,
9411 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9412 (find_interesting_uses_op): Functionality of
9413 find_interesting_uses_outer_or_nonlin moved here.
9414 (find_interesting_uses_outside): Use find_interesting_uses_op.
9416 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9419 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9421 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9422 Ulrich Weigand <uweigand@de.ibm.com>
9425 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9426 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9427 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9428 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9430 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9431 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9432 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9433 Define secondary reloads for TFmode moves.
9434 (constant_modes): Add TFmode.
9435 (NR_C_MODES): Set to 8.
9436 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9438 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9439 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9440 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9441 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9442 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9443 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9444 (FPR mode macro): Add TFmode.
9445 (DSF mode macro): New.
9446 (<de>, <dee> mode attributes): Removed.
9447 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9448 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9449 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9450 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9451 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9452 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9453 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9454 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9455 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9456 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9457 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9458 "*negabs<mode>2", "sqrt<mode>2"):
9459 Changed <de> to <xde>. R constraint replaced by <Rf>.
9460 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9462 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9463 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9464 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9466 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9467 "extenddftf2", "extendsftf2"): New expanders.
9468 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9469 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9470 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9471 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9473 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9474 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9475 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9476 __floatditf): Add a GCC_4.1.0 symbol version tag.
9477 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9480 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9483 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9484 Use targetm.binds_local_p instead of TREE_PUBLIC.
9486 2006-02-02 Roger Sayle <roger@eyesopen.com>
9488 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9489 on INTEGER_TYPEs to indicate that it denotes a character type.
9490 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9491 signed_char_type_node, unsigned_char_type_node and char_type_node.
9492 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9493 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9494 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9496 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9497 Daniel Berlin <dberlin@dberlin.org>
9499 * tree-tailcall.c (arg_needs_copy_p): New function.
9500 (eliminate_tail_call): Use arg_needs_copy_p.
9501 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9502 (add_virtual_phis): New function.
9504 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9506 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9507 #ignore instead of #scratch for %g7 .register directive.
9509 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9511 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9514 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9516 * flow.c (calculate_global_regs_live): Assert that there aren't any
9519 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9521 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9523 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9524 bsi_after_labels iterator.
9525 * tree-if-conv.c (find_phi_replacement_condition,
9526 replace_phi_with_cond_modify_expr): Likewise.
9527 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9528 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9530 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9532 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9534 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9537 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9538 array after growing it.
9540 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9543 * fold-const.c (fold_checksum_tree): Change type of buf.
9545 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9547 * reload.c (push_secondary_reload): Initialize t_icode.
9549 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9551 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9552 -msoft-float -mlong-double-128 only issue a warning, but don't
9553 swich to DFmode long double.
9555 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9557 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9558 has a constant equivalent, iterate over equivalents for arg0,
9559 calling simplify_relational_operation and if there's a result
9560 cheaper than X, apply fold_rtx and return the result.
9562 2006-02-01 Jan Hubicka <jh@suse.cz>
9564 * opts.c (no_unit_at_a_time_default): New global variable.
9565 (decode_options): Use it.
9566 * opts.h (no_unit_at_a_time_default): Declare.
9568 2006-02-01 Paul Brook <paul@codesourcery.com>
9570 * function.c (assign_parm_setup_reg): Use function argument promotion
9572 * expr.c (expand_expr_real_1): Use function argument promotion rules
9575 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9577 * gcc.c (process_command): Change j to 'unsigned int'.
9579 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9582 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9583 Use the corrected index for the character
9584 out of the string constant.
9586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9588 * mode-switching.c (optimize_mode_switching): Fix size
9589 allocated for bb_info[n_entities].
9591 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9593 * gcc.c (main): Correct type that is allocated for
9594 explicit_link_files.
9596 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9598 * config/s390/s390.c (init_alignment_context): Set
9599 ALIAS_SET_MEMORY_BARRIER on the MEM.
9600 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9602 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9605 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9607 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9610 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9612 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9613 * regrename.c: Ditto.
9614 * tree-ssa-loop-im.c: Ditto.
9615 * tree-dump.c: Ditto.
9616 * tree-complex.c: Ditto.
9617 * genrecog.c: Ditto.
9618 * tree-ssa-threadupdate.c: Ditto.
9620 * java/class.c: Ditto.
9621 * java/jcf-parse.c: Ditto.
9622 * java/resource.c: Ditto.
9623 * java/except.c: Ditto.
9624 * java/jvspec.c: Ditto.
9625 * java/jcf-write.c: Ditto.
9626 * java/jcf-path.c: Ditto.
9627 * java/gjavah.c: Ditto.
9628 * java/zextract.c: Ditto.
9629 * java/jcf-io.c: Ditto.
9630 * java/jcf.h: Ditto.
9631 * java/buffer.c: Ditto.
9632 * java/lang.c: Ditto.
9633 * java/parse-scan.y: Ditto.
9634 * java/lex.c: Ditto.
9635 * java/lex.h: Ditto.
9636 * cfgloopmanip.c: Ditto.
9637 * postreload-gcse.c: Ditto.
9638 * tree-ssa-loop-manip.c: Ditto.
9639 * postreload.c: Ditto.
9640 * tree-ssa-loop-ch.c: Ditto.
9644 * diagnostic.c: Ditto.
9646 * genoutput.c: Ditto.
9648 * cfghooks.c: Ditto.
9649 * cfgloopanal.c: Ditto.
9650 * objc/objc-act.c: Ditto.
9652 * genextract.c: Ditto.
9653 * genautomata.c: Ditto.
9654 * pretty-print.c: Ditto.
9656 * cgraphunit.c: Ditto.
9659 * haifa-sched.c: Ditto.
9660 * dominance.c: Ditto.
9662 * tree-ssa-loop-ivopts.c: Ditto.
9664 * mode-switching.c: Ditto.
9665 * modulo-sched.c: Ditto.
9667 * ipa-pure-const.c: Ditto.
9669 * fix-header.c: Ditto.
9671 * tree-stdarg.c: Ditto.
9672 * ipa-utils.c: Ditto.
9673 * loop-init.c: Ditto.
9674 * ipa-inline.c: Ditto.
9677 * alloc-pool.c: Ditto.
9678 * dwarf2out.c: Ditto.
9680 * genattrtab.c: Ditto.
9681 * tree-ssa-loop-ivcanon.c: Ditto.
9685 * fortran/gfortranspec.c: Ditto.
9687 * local-alloc.c: Ditto.
9688 * langhooks.c: Ditto.
9689 * function.c: Ditto.
9690 * tree-vectorizer.c: Ditto.
9692 * ipa-type-escape.c: Ditto.
9694 * tree-if-conv.c: Ditto.
9697 * tree-data-ref.c: Ditto.
9698 * loop-unroll.c: Ditto.
9699 * treelang/treetree.c: Ditto.
9702 * ggc-common.c: Ditto.
9704 * coverage.c: Ditto.
9706 * tree-cfgcleanup.c: Ditto.
9707 * tree-ssa-pre.c: Ditto.
9708 * cfgcleanup.c: Ditto.
9709 * loop-invariant.c: Ditto.
9711 * ipa-prop.c: Ditto.
9712 * print-tree.c: Ditto.
9713 * conflict.c: Ditto.
9714 * ggc-page.c: Ditto.
9715 * sched-deps.c: Ditto.
9716 * regclass.c: Ditto.
9717 * tree-object-size.c: Ditto.
9719 * bb-reorder.c: Ditto.
9720 * resource.c: Ditto.
9721 * var-tracking.c: Ditto.
9723 * df-problems.c: Ditto.
9724 * reg-stack.c: Ditto.
9727 * sched-rgn.c: Ditto.
9728 * tree-ssa-structalias.c: Ditto.
9729 * tree-ssa-reassoc.c: Ditto.
9730 * config/darwin-c.c: Ditto.
9731 * config/darwin.c: Ditto.
9732 * config/arm/arm.c: Ditto.
9734 * collect2.c: Ditto.
9737 2006-01-31 Nicolas Pitre <nico@cam.org>
9739 * arm.md (smaxsi3): Make aware of smax_m1.
9742 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9744 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9746 2006-01-31 Richard Guenther <rguenther@suse.de>
9748 * doc/invoke.texi (-msselibm): Document.
9749 * target.h (expand_library_builtin): New target hook.
9750 * builtins.c (expand_builtin): Use expand_library_builtin.
9751 (default_expand_library_builtin): New function.
9752 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9753 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9754 (link_gcc_math_spec): Declare.
9755 (static_specs): Add link_gcc_math_spec.
9756 * expr.h (default_expand_library_builtin): Declare.
9757 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9758 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9759 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9760 * config/i386/i386.opt (msselibm): New target option.
9761 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9762 (ix86_init_sse_abi_builtins): New function.
9763 (ix86_expand_library_builtin): Likewise.
9764 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9765 (override_options): Handle error conditions wrt -msselibm.
9766 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9767 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9768 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9771 2006-01-31 Richard Guenther <rguenther@suse.de>
9772 Paolo Bonzini <bonzini@gnu.org>
9774 * doc/install.texi (--disable-libgcc-math): Document.
9776 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9778 * expr.h (expand_normal): new inline function.
9779 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9781 * dwarf2out.c: use it.
9786 * config/sparc/sparc.c: use it.
9787 * config/i386/i386.c: use it.
9788 * config/rs6000/rs6000.c: use it.
9789 * config/arm/arm.c: use it.
9790 * config/mips/mips.c: use it.
9791 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9793 2006-01-30 Roger Sayle <roger@eyesopen.com>
9795 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9796 argv to the appropriate type.
9798 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9800 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9803 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9806 * config/s390/s390.c (struct machine_function): New flag
9807 decomposed_literal_pool_addresses_ok_p.
9808 (s390_reorg): Set it before final stage of literal pool transforms.
9809 (s390_decompose_address): Only accept displacements of the form
9810 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9812 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9814 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9815 the comparison routine return.
9817 2006-01-30 Michael Matz <matz@suse.de>
9819 * global.c (find_reg): Only evict for global regs.
9820 Take n_refs into account and dump more info.
9822 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9825 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9826 (pragma_trap, pragma_nosave_low_regs): Likewise.
9827 (current_function_anonymous_args): Likewise.
9828 (sh_deferred_function_attributes): New variable.
9829 (sh_deferred_function_attributes_tail): Likewise.
9830 (print_operand): For '@', look up trap_exit attribute.
9831 (calc_live_regs): Look up trapa_handler attribute. For trapa
9832 handlers, save/restore fpscr, but don't do any other
9833 interrupt-specific saves.
9834 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9835 Fix check for partially saved registers to check for SHmedia.
9836 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9837 (sh_output_function_epilogue): Don't clear any of the removed
9839 (sh_insert_attributes): Don't check pragma_interrupt.
9840 Insert deferred attributes. Check that interrupt attribute is
9841 present for other attributes that require its presence.
9842 (sh_attribute_table): Add new attributes trapa_handler and
9844 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9845 Don't check for pragma_interrupt. Don't store argument.
9846 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9847 (sh_deferred_function_attributes): Declare.
9848 (sh_deferred_function_attributes_tail): Likewise.
9849 * sh.md (sp_switch_1): Add operand. Change generator caller.
9850 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9851 (*return_i): Don't use when trap_exit attribute is in effect.
9852 (*return_trapa): New insn pattern.
9854 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9855 setting c_target_objs and cxx_target_objs.
9856 * t-sh: Add rule for sh-c.o.
9858 2006-01-30 Richard Guenther <rguenther@suse.de>
9861 * gimplify.c (gimplify_target_expr): Handle easy cases
9862 without creating a temporary.
9864 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9866 * vec.h (safe_grow): Remove duplicated line.
9868 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9871 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9872 (expand_omp): ... here.
9873 (expand_omp_parallel): Only remove barriers for combined
9874 parallel+workshare constructs.
9876 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9880 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9881 * tree.c (build_qualified_type): Chain the new type to the original
9882 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9883 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9884 (build_pointer_type_for_mode): Only return unqualified types.
9885 (build_reference_type_for_mode): Likewise.
9887 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9889 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9890 * Makefile.in (CXX_COMPAT_WARN): Define.
9891 * configure: Regenerate.
9893 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9896 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9899 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9901 * toplev.c: Fix thinko.
9903 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9904 Marcin Dalecki <martin@dalecki.de>
9906 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9907 (push_srcloc): Use XNEW.
9908 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9910 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9912 * df-core.c (df_set_blocks): Deleted all variable.
9914 2006-01-28 Ian Lance Taylor <ian@airs.com>
9916 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9917 cgraph_output_pending_asms.
9919 2006-01-28 Zack Weinberg <zackw@panix.com>
9921 * c.opt: Add -W(no-)overlength-strings.
9922 * doc/invoke.texi: Document it.
9923 * c-opts.c (c_common_handle_option): -pedantic implies
9924 -Woverlength-strings, if not explicitly disabled already.
9925 (c_common_post_options): -Woverlength-strings defaults to off, and
9926 is always off for C++.
9927 * c-common.c (fix_string_type): Issue warning about strings longer
9928 than is portable only if warn_overlength_strings. Rearrange code
9929 a little for clarity.
9930 * configure.in: Check for -Wno-overlength-strings as well before
9931 enabling -pedantic in stage 1.
9932 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9933 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9935 * genconditions.c (write_header, write_one_condition)
9936 (write_conditions, write_writer): Consolidate very long strings
9937 that were broken up to fit in C89 portable limit. Don't use
9938 printf when fputs will do.
9940 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9942 * combine.c (simplify_comparison <AND>): Check
9943 TRULY_NOOP_TRUNCATION before start using a subreg.
9945 * config/mips/mips.md (*branch_zero<mode>,
9946 *branch_zero<mode>_inverted, *branch_equality<mode>,
9947 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9948 Remove mode check from comparisons.
9950 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9952 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9954 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9956 * expmed.c (const_mult_add_overflow_p): Remove.
9957 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9959 * recog.c (validate_replace_rtx_subexp): Remove.
9960 * recog.h: Remove the prototype for
9961 validate_replace_rtx_subexp.
9963 * integrate.h: Remove the prototype for
9964 copy_decl_for_inlining.
9965 * rtl.h: Remove the prototype for mark_constant_function.
9966 * tree-vectorizer.h: Remove the prototype for
9967 vect_strip_conversion.
9969 * modulo-sched.c (create_partial_schedule,
9970 free_partial_schedule, reset_partial_schedule): Make them
9973 * hooks.c (hook_bool_rtx_int_false): Remove.
9974 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9976 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9978 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9979 and -mlong-double-128 are incompatible.
9980 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9981 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9982 (TARGET_LIBGCC2_CFLAGS): Define.
9983 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9984 (TARGET_LIBGCC2_CFLAGS): Same.
9985 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9987 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9990 * c-typeck.c (build_binary_op): Perform implicit casts of
9991 operands before shortening them.
9993 * cfgloopmanip.c (split_loop_bb): Remove.
9994 * cfgloop.h: Remove the prototype for split_loop_bb.
9996 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9997 * cfgloop.h: Remove the prototype for
9998 flow_loop_outside_edge_p.
10000 * emit-rtl.c (init_virtual_regs): Make it static.
10001 * function.h: Remove the prototype for init_virtual_regs.
10003 * recog.c (peephole2_optimize): Make it static.
10004 * recog.h: Remove the prototype for peephole2_optimize.
10006 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10008 * df-scan.c (df_record_entry_block_defs): Check if
10009 INCOMING_RETURN_ADDR_RTX is defined.
10011 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10012 Kenneth Zadeck <zadeck@naturalbridge.com>
10014 PR rtl-optimization/24762
10015 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10016 * targhooks.c (hook_void_bitmap): New hook prototype.
10017 * targhoohs.h (hook_void_bitmap): Ditto.
10018 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10019 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10020 * target.h (live_on_entry): New function pointer.
10021 * df-scan.c (df_all_hard_regs): Removed.
10022 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10023 (df_scan_free_internal): Added df->entry_block_defs.
10024 (df_scan_alloc): Ditto.
10025 (df_scan_dump): Ditto.
10026 (df_uses_record): Plumbed flag field properly thru calls.
10027 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10028 This part fixes PR24762.
10029 (df_bb_refs_record): Added code to make the frame and arg
10030 pointers live in EH blocks.
10031 (df_refs_record): Added call to df_record_entry_block_defs.
10032 (df_record_entry_block_defs): New function.
10033 * df-core.c: Added comments to describe new artifical defs.
10034 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10035 (entry_block_defs): New field in struct df.
10036 (df_all_hard_regs): Deleted.
10037 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10038 * df-problems.c (df_ru_bb_local_compute_process_def):
10039 Added code to handle artifical defs in the entry to a function.
10040 (df_ru_bb_local_compute): Ditto.
10041 (df_rd_bb_local_compute_process_def): Ditto.
10042 (df_rd_bb_local_compute): Ditto.
10043 (df_lr_bb_local_compute): Ditto.
10044 (df_ur_bb_local_compute): Ditto.
10045 (df_urec_bb_local_compute): Ditto.
10046 (df_chain_create_bb): Ditto.
10047 (df_ur_local_finalize): Removed entry.
10048 (df_urec_init): Ditto.
10049 (df_urec_local_finalize): Ditto.
10050 (df_ri_bb_compute): Added detection of last use of pseudos.
10051 * Makefile.in (df-scan.o): Updated dependencies.
10052 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10053 * config/mips/mips.c (mips_set_live_on_entry): Added.
10054 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10056 * dce.c (marked_insn_p): Added code to handle artifical defs.
10058 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10060 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10062 (_mm_cvtsi128_si64): Likewise.
10063 (_mm_cvtsd_si64): Likewise.
10064 (_mm_cvttsd_si64): Likewise.
10065 (_mm_cvtsi64_sd): Likewise.
10066 (_mm_cvtsi64_si128): Likewise.
10067 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10068 (_mm_cvtsi64_m64): Likewise.
10069 (_m_to_int64): Likewise.
10070 (_mm_cvtm64_si64): Likewise.
10071 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10072 (_mm_cvttss_si64): Likewise.
10073 (_mm_cvtsi64_ss): Likewise.
10074 (_mm_cvtss_f32): Likewise.
10076 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10078 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10079 for pragma redefine_extname.
10081 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10084 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10085 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10086 -mno-minimal-toc to previous content.
10087 (bispecs): Remove goal.
10088 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10089 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10090 compatibility aliases on powerpc-*-*gnu*.
10091 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10092 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10093 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10094 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10095 (ldblspecs): New goal.
10096 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10097 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10099 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10100 L_sf_to_tf or L_df_to_tf is defined.
10102 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10103 Alan Modra <amodra@bigpond.net.au>
10106 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10107 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10108 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10109 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10110 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10111 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10112 (rs6000_override_options): Initialize rs6000_ieeequad.
10113 Initialize TFmode format to ibm_extended_format if not
10115 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10117 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10118 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10119 (function_arg_advance): IBM long double passed in two FPRs, not
10121 (function_arg): IBM long double passed in FPRs.
10122 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10123 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10124 Only multireg GPR aligned.
10125 (rs6000_init_libfuncs): Enable IBM long double functions if not
10127 (rs6000_generate_compare): Use IBM long double compare if not
10129 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10130 (TARGET_IEEEQUAD): Define.
10131 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10132 not TARGET_IEEEQUAD.
10133 * config/rs6000/rs6000.md: Enable TFmode patterns if
10135 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10136 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10137 and -mlong-double-128 are incompatible.
10138 * doc/invoke.texi (-mabi): Collect options together. Add
10139 ibmlongdouble and ieeelongdouble.
10141 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10143 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10145 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10146 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10147 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10148 * rtl.h (rtunion_def): Remove rt_ptr.
10150 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10151 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10152 * config/i386/winnt.c (i386_pe_mark_dllexport)
10153 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10155 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10157 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10159 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10163 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10164 pthread_key_delete. From John David Anglin. gthrw-ify
10165 pthread_getunique_np only if it it's not a macro. Delete
10167 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10168 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10169 __gthread_objc_condition_signal, __gthread_key_delete): Add
10170 "__attribute__ ((__unused__))" to unused arguments.
10171 (__gthread_recursive_mutex_init_function): Add missing return.
10172 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10173 gthr-posix95.h: Use macro-based approach for name redirection
10174 on targets missing weakref.
10176 2006-01-26 Zack Weinberg <zackw@panix.com>
10178 * genconditions.c (write_header): In generated code, #ifdef out
10179 all includes and fake declarations, except includes of bconfig.h
10180 and system.h, unless GCC_VERSION >= 3001. Do not include
10181 gensupport.h in any case.
10182 (write_conditions): Generate a definition of struct c_test. Add
10183 a comment to the generated #endif.
10184 (write_one_condition): Escape backslashes in string too.
10185 (write_writer): Generated code must escape backslashes and quote
10186 marks (but not newlines) in the strings it writes.
10187 * Makefile.in (build/gencondmd.o): Update dependencies.
10189 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10192 * Makefile.in (insn-automata.o): Add header file dependencies.
10193 * genautomata.c: Add includes.
10195 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10198 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10200 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10202 * configure.ac: Expect target tools paths to be passed from the toplevel
10203 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10205 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10207 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10210 * c.opt (Wpointer-sign): Init to -1.
10211 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10212 OPT_pedantic, to 0 otherwise.
10213 * doc/invoke.texi: Update.
10215 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10217 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10218 constants provided by 80387 instructions in the destination mode.
10220 2006-01-26 Richard Guenther <rguenther@suse.de>
10221 Andrew Pinski <pinskia@physics.uc.edu>
10224 partial PR tree-opt/17064
10225 * tree-ssa-structalias.c (intra_create_variable_infos):
10226 Create heap variables for incoming parameters if
10227 flag_argument_noalias > 1.
10228 (find_what_p_points_to): Look through default defs of
10231 2006-01-26 Jeff Law <law@redhat.com>
10234 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10235 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10236 within the VR_RANGE, use the VR_RANGE as the result, not the
10238 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10239 bounds for the type.
10241 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10243 * tree-ssa-alias.c (maybe_create_global_var): Change
10244 subvar walking to an assertion that we don't have subvar'd variables.
10246 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10249 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10250 Use a new variable, inner. PARM_DECLs are always non-weak.
10252 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10254 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10255 --disable-checking.
10257 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10259 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10261 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10263 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10264 (smax_insn, smin_insn, smax_0, smin_0): New.
10266 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10269 * config/cris/cris.c (cris_order_for_addsi3): New function.
10270 * config/cris/cris-protos.h: Prototype it.
10271 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10272 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10273 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10274 (split for "op.S1 [rx=rx+i],ry (swapped)")
10275 (split for "op(s|u).S1 [rx=rx+i],ry")
10276 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10277 Apply cris_order_for_addsi3 when generating addsi3 insns.
10279 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10281 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10282 (TREE_BLOCK): Add call to EXPR_CHECK.
10284 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10287 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10288 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10289 (dump_omp_clauses): ... here.
10290 (dump_generic_node): Handle OMP_CLAUSE.
10291 * tree.c (omp_clause_num_ops): New.
10292 (omp_clause_code_name): New.
10293 (tree_code_size): Handle OMP_CLAUSE.
10294 (tree_size): Likewise.
10295 (make_node): Document handling of OMP_CLAUSE.
10296 (tree_node_structure): Handle OMP_CLAUSE.
10297 (omp_clause_check_failed): New.
10298 (omp_clause_range_check_failed): New.
10299 (omp_clause_operand_check_failed): New.
10300 (build_omp_clause): New.
10301 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10302 * tree.h (enum omp_clause_code): Declare.
10303 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10304 (OMP_CLAUSE_RANGE_CHECK): Define.
10305 (OMP_CLAUSE_ELT_CHECK): Define.
10306 (omp_clause_check_failed): Declare.
10307 (omp_clause_operand_check_failed): Declare.
10308 (omp_clause_range_check_failed): Declare.
10309 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10310 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10311 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10312 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10313 (OMP_CLAUSE_IF_EXPR): Likewise.
10314 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10315 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10316 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10317 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10318 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10319 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10320 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10321 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10322 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10323 (OMP_CLAUSE_CODE): Define.
10324 (OMP_CLAUSE_SET_CODE): Define.
10325 (OMP_CLAUSE_CODE): Define.
10326 (OMP_CLAUSE_OPERAND): Define.
10327 (struct tree_omp_clause): Declare.
10328 (union tree_node): Add field 'omp_clause'.
10329 * treestruct.def (TS_OMP_CLAUSE): Define.
10330 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10331 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10332 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10333 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10334 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10335 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10336 (OMP_CLAUSE): Define.
10337 * print-tree.c (print_node): Handle OMP_CLAUSE.
10338 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10339 * c-typeck.c: Likewise.
10340 * gimplify.c: Likewise.
10341 * c-omp.c: Likewise.
10342 * tree-nested.c: Likewise.
10343 * tree-inline.c: Likewise.
10344 * c-parser.c: Likewise.
10345 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10348 2006-01-25 Roger Sayle <roger@eyesopen.com>
10350 PR rtl-optimization/25703
10351 * combine.c (try_combine): Handle zero_extract and strict_low_part
10352 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10354 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10356 * global.c: Fix comment typos.
10358 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10361 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10362 Use output_addr_const instead of assemble_name.
10364 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10366 * Makefile.in (sched-vis.o): Update dependencies.
10367 * haifa-sched.c (sched_finish): Clear current_sched_info.
10368 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10369 (dump_flow_info): Call it.
10370 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10372 * basic-block.h (dump_bb_info): Declare.
10373 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10374 option, and apply options only for dump files whose TDF_RTL,
10375 TDF_TREE, or TDF_IPA bits match.
10376 * rtl.h: Declare new functions exported from sched-vis.c.
10377 * sched-vis.c: Enable also if scheduling is not used.
10378 (print_value): Print the mode of registers if not inside scheduling.
10379 (print_insn): Make it work outside the scheduler. Beautify the output
10381 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10383 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10385 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10386 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10387 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10388 depending on the value of CONSTANT_POOL_ADDRESS_P.
10389 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10391 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10392 rather than SYMBOL_REF_DECL.
10393 (rtx_constant_pool): Remove const_rtx_sym_htab.
10394 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10395 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10396 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10397 Remove handling of const_rtx_sym_htab.
10398 (find_pool_constant): Delete.
10399 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10400 rather than find_pool_constant.
10401 (get_pool_constant_for_function): Delete.
10402 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10403 find_pool_constant.
10404 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10405 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10406 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10407 (SYMBOL_REF_CONSTANT): New macro.
10408 (get_pool_constant_for_function): Delete.
10409 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10410 rather than SYMBOL_REF_DECL.
10411 (i386_pe_mark_dllimport): Likewise.
10412 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10413 rather than SYMBOL_REF_DECL.
10414 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10415 (machopic_indirect_call_target): Likewise.
10417 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10419 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10421 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10423 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10425 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10427 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10429 2006-01-24 David Daney <ddaney@avtrex.com>
10432 * configure.ac (enable_tls): New enable option.
10433 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10434 * configure: Regenerate.
10435 * doc/install.texi (--enable-tls): Document new option.
10436 (--disable-tls): Ditto.
10438 2006-01-24 Richard Henderson <rth@redehat.com>
10440 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10441 * alias.c (true_dependence): Respect it.
10442 (canon_true_dependence, write_dependence_p): Likewise.
10443 * builtins.c (get_builtin_sync_mem): Set it.
10445 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10447 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10450 2006-01-24 DJ Delorie <dj@redhat.com>
10452 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10453 for storing constants in single-bit bitfields.
10455 2006-01-25 Ben Elliston <bje@au.ibm.com>
10457 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10459 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10462 * tree-ssa-pre.c (phi_translate): Return NULL
10463 for AGGREGATE_TYPE's.
10465 2006-01-24 Zack Weinberg <zackw@panix.com>
10467 * genautomata.c (process_state_for_insn_equiv_partition):
10468 Use xcalloc for insn_arcs_array.
10469 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10470 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10472 2006-01-24 Richard Henderson <rth@redhat.com>
10474 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10475 update all callers.
10477 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10479 PR rtl-optimization/25890
10480 PR rtl-optimization/25905
10481 * combine.c (expand_compound_operation, expand_field_assignment):
10482 Fail if the bitfield's final position is out of bounds.
10484 2006-01-24 Ian Lance Taylor <ian@airs.com>
10486 PR middle-end/25930
10487 * cgraphunit.c (cgraph_output_in_order): Don't clear
10488 cgraph_asm_nodes until after asm strings have been output.
10490 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10492 * fix-header.c (read_scan_file): Add new parameter imultilib when
10493 calling register_include_chains.
10495 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10497 * omp-low.c: Update documentation.
10499 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10500 Daniel Berlin <dberlin@dberlin.org>
10504 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10505 return from the function.
10507 2006-01-22 Zack Weinberg <zackw@panix.com>
10509 * rtl.def (match_code): Add second argument.
10510 * genpreds.c (write_extract_subexp): New function.
10511 (write_match_code): Add path argument. Use write_extract_subexp.
10512 (write_predicate_expr): Pass path to write_match_code.
10513 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10514 not perform a mode test.
10515 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10516 a subexpression does not constrain the top-level code set.
10517 * read-rtl.c (read_rtx_variadic): New function.
10518 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10519 * doc/md.texi: Document new notation.
10520 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10521 (cmpsi_operand): ... here, using new notation.
10523 2006-01-22 Zack Weinberg <zackw@panix.com>
10525 * varray.c: Remove GENERATOR_FILE #ifdefs.
10527 2006-01-22 Zack Weinberg <zackw@panix.com>
10529 * genautomata.c (output_reserved_units_table): Emit nothing if
10530 description->query_units_num is zero. Remove extra blank line.
10531 (output_cpu_unit_reservation_p): Short circuit
10532 if description->query_units_num is zero.
10534 2006-01-22 Zack Weinberg <zackw@panix.com>
10536 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10537 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10538 nor any of the random handful of variables that used to be necessary
10539 when this program was linked with rtlanal.o. Prune set of forward
10540 function declarations.
10541 (struct attr_desc): Remove static_p field.
10542 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10543 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10544 (attr_string): Do not read the character one past the length of
10546 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10547 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10548 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10549 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10550 (make_automaton_attrs): New.
10551 (main): Do not call into genautomata. Call local gen_bypass
10552 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10553 Remove special case for insn_alts.
10554 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10555 varray.h (leftover from previous change). Prune set of forward
10556 function declarations. Remove state_alts fields from all
10557 structures. Remove state_alts_table from struct automaton.
10558 Make everything except main static. Do not maintain num_dfa_decls.
10559 Do not maintain state_alts fields of various structures.
10560 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10561 (add_arc): Remove state_alts argument. All callers updated.
10562 (output_reserved_units_table): Emit #ifdef here...
10563 (output_tables): ...not here. Don't generate state_alts tables.
10564 (expand_automata): Don't generate attributes.
10565 (write_automata): Don't generate state_alts functions.
10566 (main): New function.
10567 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10568 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10569 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10570 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10571 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10572 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10573 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10574 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10576 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10577 * genattrtab.h: Delete file.
10578 * Makefile.in (OBJS-common): Add insn-automata.o.
10579 (insn-automata.o): New rule.
10580 (simple_generated_c): Add insn-automata.c.
10581 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10582 (genprogmd): Add automata.
10583 (build/genattrtab): Needs no extra objects nor libraries.
10584 (build/genautomata): Needs build/vec.o and -lm.
10586 2006-01-22 Zack Weinberg <zackw@panix.com>
10588 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10589 (output_dfa_max_issue_rate, locked_states_num): Delete.
10590 (struct automaton): Add locked_states field.
10591 (output_dead_lock_vect): Save number of locked states in
10592 automaton->locked_states. If it is zero, don't print anything.
10593 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10594 (output_internal_dead_lock_func): Only test the dead_lock_vect
10595 for automata that have locked states.
10596 (output_statistics): Always print the number of locked states for
10597 each automaton. Calculate total number of locked states here.
10598 (write_automata): Don't call output_dfa_max_issue_rate.
10599 * genattrtab.c: Define length_unit_log as a const variable.
10600 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10601 max_insn_queue_index const.
10602 * final.c (length_unit_log): Declare const.
10603 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10605 2006-01-22 Zack Weinberg <zackw@panix.com>
10607 * genautomata.c: Include vec.h, not varray.h.
10608 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10609 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10610 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10611 VEC_* macros operating on appropriately typed vectors, or to
10612 malloced arrays when the size is known in advance. Const-ify
10613 many char* variables and function arguments. No functional changes.
10614 * Makefile.in (build/varray.o): Delete rule.
10615 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10616 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10618 2006-01-22 Zack Weinberg <zackw@panix.com>
10620 * gensupport.c: Define get_insn_name and record_insn_name here.
10621 (read_md_rtx): Call record_insn_name as appropriate.
10622 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10623 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10624 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10626 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10627 (BUILD_VARRAY): Delete.
10628 (genprognormal): Rename genprogmd. Fold in all programs from
10629 genprognoprint; also attrtab.
10630 (build/genattrtab): Just mention genautomata.o and varray.o.
10631 Reorganize a bit, add comments to make the categories clearer.
10633 2006-01-22 Zack Weinberg <zackw@panix.com>
10635 * genconditions.c (condition_table, add_condition): Delete.
10636 (write_conditions): Don't emit n_insn_conditions nor
10637 insn_elision_unavailable. Issue the gcc version #ifdef here,
10638 inside the table, with no #else clause ...
10639 (write_header): ...not here.
10640 (write_writer): New function.
10641 (main): Don't initialize condition_table. Use add_c_test.
10643 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10644 files on the command line.
10645 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10646 Return -1 if there is no entry in the table, don't abort.
10647 (add_c_test, traverse_c_tests): New functions.
10648 * gensupport.h (insn_elision_unavailable, insn_conditions)
10649 (n_insn_conditions): Delete declarations.
10650 (add_c_test, traverse_c_tests): Declare.
10651 * read-rtl.c: Include gensupport.h.
10652 (read_conditions): New function.
10653 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10654 (read_rtx_1): If we get EOF when we were looking for an initial
10655 open paren, return 0. Call read_conditions when appropriate.
10656 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10657 dummy-conditions.o. Eliminate references to insn-conditions.o,
10658 or change them to build/gencondmd.o, as appropriate. Remove
10659 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10660 from $(simple_generated_c). For all files remaining in those
10661 two lists, add insn-conditions.md to the generator command line.
10662 Give insn-constants.h/s-constants their own rules. Add rules
10663 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10664 (build/read-rtl.o): Depend on gensupport.h.
10665 (genprognormal): Include preds.
10666 (genprogearly): Rename genprognoprint; only difference is now that
10667 they don't link with $(BUILD_PRINT).
10668 * dummy-conditions.c: Delete.
10670 2006-01-22 Zack Weinberg <zackw@panix.com>
10672 * genextract.c: Don't include insn-config.h. Do include vec.h.
10673 Declare vectors of int, char, and locstr.
10674 (locstr): New typedef.
10675 (struct extraction): Make all array fields into bare pointers.
10676 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10677 (insn_code_number): Delete.
10678 (accum_extract): New struct.
10679 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10680 (gen_insn): Take insn_code_number as an argument. Use an
10681 accum_extract structure instead of loading data directly into
10682 a struct extraction, and having to know how big it might get.
10683 (walk_rtx): Operate entirely on an accum_extract structure.
10684 (print_path): Avoid unnecessary use of printf.
10685 (print_header): New function, split out of main. Distinguish
10686 more carefully between an unrecognizable insn and an insn that
10687 has the code number of a define_expand.
10688 (main): Pass insn_code_number to gen_insn. Call print_header
10689 only after parsing. Avoid unnecessary use of printf.
10690 * Makefile.in (build/vec.o): New rule.
10691 (build/genextract): Depend on build/vec.o.
10692 (build/genextract.o): Don't depend on insn-config.h.
10694 2006-01-22 Zack Weinberg <zackw@panix.com>
10696 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10697 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10698 practical. Eliminate per-generator-program link rules.
10700 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10702 PR middle-end/24437
10703 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10704 with a call expr to ...
10705 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10707 2006-01-23 Richard Guenther <rguenther@suse.de>
10709 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10710 before make_edge with conditional EDGE_TRUE_VALUE.
10712 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10713 Jan Hubicka <jh@suse.cz>
10714 Richard Guenther <rguenther@suse.de>
10716 PR rtl-optimization/25654
10717 * cfgexpand.c (aggregate_contains_union_type): New function.
10718 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10719 for structure variables that contain a union type.
10721 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10723 * gengtype.c (new_structure): Return the structure.
10724 (create_option): Add an extra "next" argument.
10725 (create_field): New function.
10726 (adjust_field_rtx_def): Use create_option and create_field.
10727 Remove a now-unnecessary call to find_structure.
10728 (adjust_field_tree_def): Likewise.
10729 (note_yacc_type): Remove an unnecessary call to find_structure.
10730 * gengtype.h (new_structure): Return the structure.
10731 (create_option): Add an extra argument.
10732 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10733 (option): Adjust calls to create_option.
10735 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10737 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10739 2006-01-22 Paul Brook <paul@codesourcery.com>
10740 Peter Barada <peter@the-baradas.com>
10742 * config/m68k/m68k.md: Add Coldfire FPU support.
10743 Define FP mode macro and associated attributes.
10744 Use it for float mode patterns.
10745 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10746 (LIBCALL_VALUE): Use m68k_libcall_value.
10747 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10748 (m68k_function_value): Ditto.
10749 (emit_move_sequence): Ditto.
10750 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10751 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10752 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10753 (MULTILIB_EXCEPTIONS): Ditto.
10754 * config/m68k/m68k.opt: Add mcfv4e.
10755 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10756 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10757 (m68k_output_function_prologue): Save ColdFire FPU registers.
10758 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10759 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10760 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10761 ColdFire FPU registers.
10762 (m68k_libcall_value, m68k_function_value): New functions.
10763 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10764 (LIBCALL_VALUE): Use m68k_libcall_value.
10765 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10766 (MASK_COLDFIRE): Add MASK_CFV4E.
10767 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10768 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10769 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10770 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10771 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10772 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10773 * doc/invoke.tex: Document -mcfv4e on m68k.
10775 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10777 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10780 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10783 * c-opts.c (c_common_handle_option): Don't include
10784 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10785 * doc/invoke.texi (C++ Dialect Options): Document that
10786 -Wnon-virtual-dtor is no longer included in -Wall.
10788 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10790 * gcov.c (print_version), gcov-dump.c (print_version),
10791 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10794 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10796 * df-scan.c (problem_SCAN): Added NULL reset function.
10797 (df_scan_reset_blocks): Added code to call reset block function
10798 (df_bb_refs_delete) Fixed comment.
10799 (df_insn_refs_delete): Made tolerant of deleting non existent info
10800 for dataflow problems that need to be reset.
10801 * df-core.c (df_set_blocks): Ditto.
10802 * df.h (struct df_problem): Added reset_fun.
10803 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10804 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10805 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10806 functions to clear out all references to def-use or use-def chains.
10808 2006-01-21 Ben Elliston <bje@au.ibm.com>
10810 * varasm.c (assemble_real): Initialise data array.
10812 2006-01-20 Paul Brook <paul@codesourcery.com>
10814 Merge from csl-arm-branch.
10815 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10816 * config/arm/arm.md (movdi): Force operands[1] to a register
10817 if we have a non-register source.
10818 (*arm_movdi, *movdf_soft_insn): Require that one of the
10819 operands be a register.
10820 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10821 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10823 2006-01-20 DJ Delorie <dj@redhat.com>
10825 * varasm.c (initializer_constant_valid_p): Allow pointers
10826 initialized from integer constants of lesser precision.
10827 (output_constant): Allow non-int-sized pointer modes to be
10828 initialized from integer constants.
10830 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10833 * cppdefault.h (struct default_include): Add multilib flag.
10834 * cppdefault.c (cpp_include_defaults): Set it.
10835 * c.opt (-imultilib): New option.
10836 * c-opts.c (imultilib): New.
10837 (c_common_handle_option): Handle -imultilib.
10838 (c_common_post_options): Likewise.
10839 * c-incpath.c (add_standard_paths, register_include_chains):
10841 * c-incpath.h (register_include_chains): Add extra parameter.
10842 * gcc.c (do_spec_1): Generate -imultilib option.
10843 (The Specs Language): Update %I description.
10844 (process_command): Update copyright notice.
10845 * doc/cppopts.texi (-imultilib): Document.
10846 * doc/invoke.texi (-imultilib): Include in option summary.
10847 (%I): Update specs documentation.
10849 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10851 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10853 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10855 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10858 2006-01-20 Richard Guenther <rguenther@suse.de>
10859 Steven Bosscher <stevenb.gcc@gmail.com>
10861 PR rtl-optimization/24626
10862 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10863 EDGE_TRUE_VALUE if in RTL mode.
10866 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10867 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10869 2006-01-20 Dirk Mueller <dmueller@suse.com>
10872 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10873 instead of a special NOP marker.
10874 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10875 NOP marker handling.
10876 * c-common.h (empty_body_warning): Add forward declaration.
10877 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10878 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10880 2006-01-20 Paul Brook <paul@codesourcery.com>
10882 * Makefile.in (lang_checks): Keep going if mkdir fails.
10884 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10886 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10887 be able to clean out basic block when not necessary.
10888 (df_scan_free): Fixed to properly delete information if df is
10889 unused before calling df_finish.
10890 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10891 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10893 (df_bb_refs_delete): New function.
10894 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10895 * df-core.c (df_set_blocks): Added code to properly clean out
10896 unused blocks if they are not part of the blocks to consider.
10897 Added additional null check.
10898 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10899 be able to clean out basic block when not necessary
10900 * df.h (df_free_bb_function): Ditto.
10901 (df_bb_refs_delete): New function.
10902 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10903 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10904 basic block parameter to be able to clean out basic block when not
10906 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10907 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10908 Fixed to properly delete information if df is unused before
10911 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10913 PR rtl-optimization/25799
10914 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10915 Corrected confluence operator to remove bits from op2 before oring
10916 with op1 rather than removing bits from op1.
10917 (df_ru_transfer_function): Corrected test on wrong bitmap which
10918 caused infinite loop. Both of these problems were introduced in
10919 the dataflow rewrite.
10921 2006-01-19 DJ Delorie <dj@redhat.com>
10923 * reload1.c (find_reload_regs): Note the details of reload
10924 failures in the dump file.
10925 (spill_failure): Likewise.
10927 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10929 * loop-iv.c: Include df.h and hashtab.h.
10930 (enum iv_grd_result): New enum.
10931 (DF_REF_IV, DF_REF_IV_SET): New macros.
10932 (struct biv_entry): New.
10933 (df, bivs): New global variables.
10934 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10935 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10937 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10938 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10939 analyzed_for_bivness_p, record_biv): New functions.
10940 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10941 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10942 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10944 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10946 (iv_number_of_iterations): Use new interface to iv analysis.
10947 * loop-unroll.c: Do not include varray.h.
10948 (analyze_iv_to_split_insn): Use new interface to iv
10950 * loop-unswitch.c (may_unswitch_on): Ditto.
10951 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10953 (df_bb_modify): Realloc tables to the new index.
10954 (df_find_use): New function.
10955 * df.h (df_find_use): Declare.
10956 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10958 * cfgloop.h (struct rtx_iv): Remove analysed field.
10959 (iv_get_reaching_def): Removed.
10960 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10961 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10962 (loop-iv.o): Add df.h and hashtab.h dependency.
10963 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10965 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10968 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10970 (__floatundisf, __floatundidf): Likewise.
10971 * libgcc2.h (IS_IBM_EXTENDED): Define.
10973 2006-01-19 DJ Delorie <dj@redhat.com>
10975 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10977 2006-01-19 Paul Brook <paul@codesourcery.com>
10979 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10980 as nothrow when unwinding tables are disabled.
10982 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10985 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10986 of bit-field" when in system header.
10988 2006-01-19 DJ Delorie <dj@redhat.com>
10990 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10991 the 16 bit shift limit of the m16c.
10993 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10996 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10997 * config/i386/i386.c (output_set_got): Output the label if we have one
10998 for the TARGET_DEEP_BRANCH_PREDICTION case.
11000 2006-01-19 Jan Hubicka <jh@suse.cz>
11001 H.J. Lu <hongjiu.lu@intel.com>
11002 Evandro Menezes <evandro.menezes@amd.com>
11004 * invoke.texi (generic): Document
11006 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11007 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11008 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11009 (x86_use_incdec, x86_pad_returns): New variables
11010 (TARGET_CPU_DEFAULT_generic): New constant
11011 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11012 (enum processor_type): Add generic32 and generic64.
11013 * i386.md (cpu attribute): Add generic32/generic64
11014 (movhi splitter): Behave sanely when both partial_reg_dependency and
11015 partial_reg_stall are set.
11016 (K8 splitters): Enable for generic as well.
11017 * predicates.md (incdec_operand): Use TARGET_INCDEC
11018 (aligned_operand): Avoid memory mismatch stalls.
11019 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11020 * ppro.md: Enable for generic32
11021 * i386.c (generic64_cost, generic32_cost): New.
11022 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11023 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11024 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11025 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11026 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11027 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11028 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11029 x86_accumulate_outgoing_args, x86_prologue_using_move,
11030 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11031 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11032 Enable for generic.
11033 (x86_use_incdec, x86_pad_returns): New.
11034 (override_options): Add generic32 and generic64, translate "generic"
11035 to generic32/generic64 and "i686" to "generic32", refuse
11036 "generic32"/"generic64" as arch target.
11037 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11038 (ix86_reorg): Honor PAD_RETURNS.
11040 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11042 * tree-pretty-print.c (dump_generic_node): Handle
11043 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11044 * cgraph.c (cgraph_expand_queue): Rename from
11045 cgraph_analyze_queue. Update all users.
11046 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11047 cgraph_expand_queue.
11048 (cgraph_expand_all_functions): Likewise.
11049 (cgraph_finalize_pending_functions): Remove. Update callers.
11051 * tree.h (OMP_DIRECTIVE_P): Define.
11052 (OMP_PARALLEL_FN): Define.
11053 (OMP_PARALLEL_DATA_ARG): Define.
11054 (OMP_SECTIONS_SECTIONS): Define.
11055 * tree-pass.h (pass_expand_omp): Declare.
11056 * omp-low.c (struct omp_region): Declare.
11057 (struct omp_context): Remove fields 'parallel_type',
11058 'parallel_start_ix' and 'parallel_start_additional_args'.
11060 (struct omp_for_data): Rename from struct expand_omp_for_data.
11061 (omp_regions): New static variable.
11062 (root_omp_region): New static variable.
11063 (find_omp_clause): Make static.
11064 (is_in_combined_parallel_ctx): Remove.
11065 (is_combined_parallel): New.
11066 (extract_omp_for_data): Move earlier in the file.
11067 (workshare_safe_to_combine_p): New.
11068 (get_ws_args_for): New.
11069 (determine_parallel_type): Move earlier in the file.
11070 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11072 (omp_copy_decl): Likewise.
11073 (create_omp_child_function): Likewise.
11074 (lookup_omp_region): New.
11075 (dump_omp_region): New.
11076 (debug_omp_region): New.
11077 (debug_all_omp_regions): New.
11078 (new_omp_region): New.
11079 (scan_omp_parallel): If parallel_nesting_level > 1, the
11080 directive is nested within another parallel directive.
11081 Set OMP_PARALLEL_FN.
11082 (scan_omp_for): Do not try to handle combined parallel+for
11084 Remove FIXME comment.
11085 (scan_omp_nested): Remove.
11086 (scan_omp_1): Do not call scan_omp_nested when
11087 parallel_nesting_level is > 1.
11088 Do not change the DECL_CONTEXT of local variables found.
11089 (lookup_decl_in_outer_ctx): New.
11090 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11091 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11092 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11093 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11094 If CTX is nested, lookup VAR in the outer context when
11095 building copy assignment.
11096 (lower_send_clauses): Rename from expand_send_clauses.
11097 If CTX is nested, lookup VAR in the outer context when
11098 building copy assignments.
11099 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11100 If CTX is nested, lookup VAR in the outer context when
11101 building copy assignments.
11102 (expand_parallel_call): Rename from build_parallel_call.
11103 Handle combined parallel+workshare cases.
11104 Re-implement to emit code into the CFG.
11106 (expand_omp_parallel): Re-implement to emit code into the CFG.
11107 Call move_sese_region_to_fn to outline the sub-graph
11108 containing the parallel region.
11109 (expand_omp_for_1): Remove.
11110 (expand_omp_for_generic): Re-implement to emit code into the
11112 (expand_omp_for_static_nochunk): Likewise.
11113 (expand_omp_for_static_chunk): Likewise.
11114 (expand_omp_for): Likewise.
11115 (expand_omp_sections): Likewise.
11116 (remove_exit_barriers): New.
11117 (expand_omp_synch): New.
11119 (build_omp_regions_1): New.
11120 (build_omp_regions): New.
11121 (execute_expand_omp): New.
11122 (gate_expand_omp): New.
11123 (pass_expand_omp): Define.
11124 (lower_omp_sections): Rename from expand_omp_sections.
11125 Set OMP_SECTIONS_SECTIONS.
11126 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11127 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11128 (lower_omp_single): Rename from expand_omp_simple.
11129 (lower_omp_master): Rename from expand_omp_master.
11130 (lower_omp_ordered): Rename from expand_omp_ordered.
11131 (lower_omp_critical): Rename from expand_omp_critical.
11132 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11133 (lower_omp_for): Re-implement.
11134 (lower_omp_parallel): Re-implement.
11135 (lower_regimplify): Rename from expand_regimplify.
11136 (lower_omp_1): Rename from expand_omp_1.
11137 If there are syntax errors in the program, replace every
11138 OpenMP directive with NOP.
11139 Call lower_omp_* instead of expand_omp_*.
11140 (lower_omp): Rename from expand_omp.
11142 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11143 * tree-gimple.h (enum omp_parallel_type): Remove.
11144 (gimple_boolify): Declare extern.
11145 (find_omp_clause, determine_parallel_type): Remove.
11147 * gimple-low.c (lower_omp_directive): New.
11148 (lower_stmt): Call it.
11149 (record_vars_into): Move from ...
11150 (record_vars): ... here.
11151 Call record_vars_into with current_function_decl.
11153 * gimplify.c (struct gimplify_ctx): Remove fields
11154 combined_pre_p and combined_ctxp. Update users.
11155 (get_formal_tmp_var): Add documentation.
11156 (gimple_boolify): Make extern.
11157 (gimplify_expr_in_ctx): Remove. Update callers.
11158 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11159 will always be a BIND_EXPR.
11160 (gimplify_expr): Handle OMP_RETURN_EXPR.
11161 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11162 (OMP_PARALLEL): Add 3 operands.
11163 (OMP_SECTIONS): Add 1 operand.
11164 (OMP_RETURN_EXPR): Define.
11166 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11167 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11168 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11169 creating a circular free list.
11170 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11172 * tree-flow.h (move_sese_region_to_fn): Declare.
11173 (record_vars_into): Declare.
11174 * tree-cfg.c (make_omp_sections_edges): New.
11175 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11176 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11177 OMP_SECTIONS and OMP_SECTION.
11178 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11179 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11180 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11181 (gather_blocks_in_sese_region): New.
11182 (struct move_stmt_d): Declare.
11183 (move_stmt_r): New.
11184 (move_block_to_fn): New.
11185 (move_sese_region_to_fn): New.
11187 * passes.c (init_optimization_passes): Schedule
11188 pass_expand_omp after pass_init_datastructures.
11190 * tree-ssa-operands.c (get_expr_operands): Handle
11191 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11192 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11194 2006-01-19 Jeff Law <law@redhat.com>
11196 * tree-vrp.c (extract_range_from_assert): Refine the result range
11197 if the variable referenced by the ASSERT_EXPR has a range and
11198 either the tentative result range or the previous range is a
11201 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11203 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11205 2006-01-19 Jan Hubicka <jh@suse.cz>
11207 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11209 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11211 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11212 (expand_compound_operation, expand_field_assignment): Fail if the
11213 bit lengths of an extract operation are out of range.
11214 (make_extraction): Compute wanted_inner_mode based on the position
11215 and length of the extraction. Make it extraction_mode for non-constant
11216 positions, and do not modify offset in that case. When generating a
11217 new MEM, use a mode that can hold the extraction while keeping correct
11218 alignment. Remove code that supported MEMs wrapped by USEs.
11219 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11221 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11223 * config/s390/s390.md ("Y", "y"): New mode attribute.
11224 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11225 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11226 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11227 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11228 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11229 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11230 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11231 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11232 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11233 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11234 "addsi3", "subsi3"): Insn patterns removed.
11235 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11236 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11237 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11238 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11239 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11240 "*sub<mode>3_cconly2"): New insn patterns.
11241 ("addsi3", "subsi3"): New expanders.
11243 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11245 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11246 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11247 existing STMT_VINFO_VECTYPE if available.
11248 (vect_mark_relevant): Add special handling for stmts that are
11249 marked as STMT_VINFO_IN_PATTERN_P.
11250 (vect_analyze_loop): Call vect_pattern_recog.
11251 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11252 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11254 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11255 (vect_recog_func_ptr): New function-pointer type.
11256 * tree-vect-patterns.c: New file.
11257 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11258 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11259 (vect_pattern_recog_1): New functions.
11260 (vect_pattern_recog_funcs): New array of function pointers.
11262 * tree-vectorizer.h (ternary_op): New enum value.
11263 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11264 declaration. Revised documentation. Removed redundant dump prints.
11265 Removed redundant argument. Added support for reduction patterns.
11266 (vectorizable_reduction): Added support for reduction patterns.
11267 (vect_transform_stmt): Added support for patterns.
11269 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11270 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11271 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11272 (expand_widen_pattern_expr): New function.
11273 (init_optabs): Initialize new optabs udot_prod_optab,
11275 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11276 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11277 (expand_widen_pattern_expr): New function declaration.
11278 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11280 * tree-inline.c (estimate_num_insns_1): Added cases for new
11281 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11282 * tree-pretty-print.c (dump_generic_node): Likewise.
11283 (op_prio): Likewise.
11284 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11285 * tree-ssa-operands.c (get_expr_operands): Added case for
11287 * tree-vect-patterns.c (widened_name_p): New function.
11288 (vect_recog_dot_prod_pattern): Added function implementation.
11289 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11290 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11291 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11292 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11294 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11295 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11296 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11297 (init_optabs): Initialize new optabs widen_ssum_optab,
11299 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11300 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11301 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11302 use instead of type of def.
11303 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11304 function implementation.
11305 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11306 widen_ssumv8hi): New.
11308 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11311 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11314 * c-decl.c (add_flexible_array_elts_to_size): New function.
11315 (finish_decl): Use it.
11317 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11319 * diagnostic.h: Include options.h.
11320 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11321 dependancies for diagnostic.h.
11322 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11324 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11326 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11327 (ssa_ro_call_cache_valid): Ditto.
11328 * tree-ssa-alias.c (sort_tags_by_id): New function.
11329 (init_transitive_clobber_worklist): Ditto.
11330 (add_to_worklist): Ditto.
11331 (mark_aliases_call_clobbered): Ditto.
11332 (compute_tag_properties): Ditto.
11333 (set_initial_properties): Ditto.
11334 (compute_call_clobbered): Ditto.
11335 (compute_may_aliases): Call compute_call_clobbered and grouping.
11336 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11337 (compute_flow_insensitive_aliasing): Grouping now happens in our
11339 (setup_pointers_and_addressables): Remove clobbering related code.
11340 (add_may_alias): Ditto.
11341 (replace_may_alias): Ditto.
11342 (get_nmt_for): Ditto.
11343 (create_global_var):
11344 (is_escape_site): Return an escape_type enumeration.
11345 * tree-flow-inline.h (is_call_clobbered): Global var does not
11346 imply call clobbered.
11347 (mark_call_clobbered): Take a reason for marking this. Remove
11348 marking of globalness, and cache invalidation.
11349 (clear_call_clobbered): Remove cache invalidation code.
11350 * tree-dfa.c (dump_variable): If details is on, dump the reason
11352 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11354 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11355 (struct var_ann_d): Ditto.
11356 (enum escape_type): New.
11357 (mark_call_clobbered): Adjust prototype.
11358 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11359 are never call clobbered.
11360 Record reasons for escaping.
11361 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11362 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11363 (ssa_ro_call_cache_valid): Ditto.
11364 (clobbered_v_may_defs): Ditto.
11365 (clobbered_vuses): Ditto.
11366 (ro_call_vuses): Ditto.
11367 (clobber_stats): New.
11368 (init_ssa_operands): Zero out clobber stats.
11369 (fini_ssa_operands): Print out clobber stats.
11370 (get_call_expr_operands): Pass callee fndecl to
11371 add_call_read_ops).
11372 (add_call_clobber_ops): Remove use of cache.
11373 Add use of PURE_CONST information.
11374 (add_call_read_ops): Remove use of cache.
11375 Add use of static not_read information.
11377 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11379 Introduce TLS descriptors for i386 and x86_64.
11380 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11381 (TARGET_ANY_GNU_TLS): New macro.
11382 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11383 (struct machine_function): Add tls_descriptor_call_expanded_p.
11384 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11385 (ix86_current_function_calls_tls_descriptor): Likewise.
11386 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11387 (override_options): Introduce gnu2 tls dialect.
11388 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11390 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11392 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11393 (ix86_init_machine_status): Initialize new field.
11394 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11395 (ix86_tls_module_base): New.
11396 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11397 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11398 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11399 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11400 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11401 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11402 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11403 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11404 * config/i386/predicates.md (tls_modbase_operand): New.
11405 (tp_or_register_operand): New.
11407 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11409 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11410 (look_for_address_of): Ditto.
11411 (ipa_init): Walk the function decls.
11412 (static_execute): Don't set readonly on FUNCTION_DECL's.
11414 2006-01-18 Roger Sayle <roger@eyesopen.com>
11416 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11417 for shifts where the source and destination registers are different.
11419 2006-01-18 Paul Brook <paul@codesourcery.com>
11421 Merge from csl-arm-branch.
11422 2005-03-14 Julian Brown <julian@codesourcery.com>
11423 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11424 (aeabi_llsl): Likewise.
11425 (ashrdi3): Likewise.
11426 (aeabi_lasr): Likewise.
11427 (lshrdi3): Likewise.
11428 (aeabi_llsr): Likewise.
11429 2005-03-10 Julian Brown <julian@codesourcery.com>
11430 * config.gcc: Disable shared libgcc for SymbianOS.
11431 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11433 2006-01-18 DJ Delorie <dj@redhat.com>
11435 * c-pragma.c (handle_pragma_diagnostic): New.
11436 (init_pragma): Register it.
11437 * doc/extend.texi: Document it.
11439 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11440 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11441 (diagnostic_context): Add classify_diagnostic[].
11442 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11443 as errors if they're overridden to DK_WARNING.
11444 (diagnostic_initialize): Initialize classify_diagnostic[].
11445 (diagnostic_set_kind_override): New.
11446 (diagnostic_report_diagnostic): Check for kind changes.
11447 * opts.c (common_handle_option): Take lang_mask. Update callers.
11448 Handle OPT_Werror_.
11449 * common.opt (Werror=): New.
11450 * doc/invoke.texi: Document -Werror=*
11452 2006-01-18 Jeff Law <law@redhat.com>
11454 * tree-vrp.c (test_for_singularity): Correct test for new
11455 min limit. Use operand_equal_p rather than pointer equality
11456 for testing if new min/max values are equal.
11458 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11459 using range information until after propagation and folding.
11461 2006-01-18 Richard Henderson <rth@redhat.com>
11462 Aldy Hernandez <aldyh@redhat.com>
11463 Jakub Jelinek <jakub@redhat.com>
11464 Diego Novillo <dnovillo@redhat.com>
11466 * omp-low.c: New file.
11467 * c-omp.c: New file.
11469 2006-01-18 Richard Henderson <rth@redhat.com>
11470 Jakub Jelinek <jakub@redhat.com>
11471 Diego Novillo <dnovillo@redhat.com>
11473 * doc/invoke.texi: Document -fopenmp.
11474 * tree-dump.h (debug_function): Declare.
11475 * hooks.c (hook_bool_tree_bool_false): New function.
11476 (hook_tree_tree_null): Remove.
11477 (hook_tree_tree_tree_null): New.
11478 * hooks.h: Update to match.
11479 * tree-pretty-print.c (debug_tree_chain): New.
11480 (print_generic_expr): Handle TDF_CHAIN.
11481 (dump_generic_node): Handle BLOCK.
11482 Do not abort with incomplete SWITCH_EXPRs.
11483 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11484 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11485 print space after directive name.
11486 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11487 Handle OMP_MASTER and OMP_ORDERED.
11488 Handle printing of OMP_BODY just in one place, goto
11489 dump_omp_body in the rest of OMP_* nodes that have
11491 Don't handle clause nodes here. Update omp statements to
11492 use dump_omp_clauses.
11493 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11494 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11495 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11496 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11497 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11498 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11499 Adjust output for GOMP_PARALLEL.
11500 (dump_omp_clauses): New.
11501 (print_declaration): Dump DECL_VALUE_EXPR.
11502 (op_symbol_1): Split out of op_symbol.
11503 (dumping_stmts): Remove. Update all users.
11504 * cgraph.c (cgraph_analyze_queue): New.
11505 (cgraph_add_new_function): New.
11506 * cgraph.h (cgraph_analyze_queue): Declare.
11507 (cgraph_add_new_function): Declare.
11508 (cgraph_lower_function): Remove.
11509 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11510 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11511 and TYPE_P nodes in its default clause.
11512 (empty_body_p): New.
11513 (tree_range_check_failed): New.
11514 (build5_stat): New.
11515 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11516 OMP_CLAUSE_REDUCTION_MERGE,
11517 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11518 OMP_CLAUSE_PRIVATE_DEBUG,
11519 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11520 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11521 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11522 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11523 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11524 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11525 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11526 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11527 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11528 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11529 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11530 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11531 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11532 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11533 (TREE_RANGE_CHECK): New.
11534 (empty_body_p): Declare.
11535 (enum omp_clause_default_kind): New.
11536 (build_string_literal): Declare.
11537 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11538 (build5_stat, build5): Declare.
11539 * tree-pass.h (TDF_CHAIN): Define.
11540 * tree-pass.h (PROP_gimple_lomp): Define.
11541 (pass_lower_omp): Declare.
11542 * diagnostic.h (debug_tree_chain): Declare.
11543 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11545 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11546 * builtins.c (build_string_literal): Make extern.
11547 * gcc.c (include_spec_function): New.
11548 (static_spec_functions): Add it.
11549 (main): Move load of libgomp.spec ...
11550 (LINK_COMMAND_SPEC): ... here.
11551 (link_gomp_spec): New.
11552 (static_specs): Include it.
11553 (LINK_COMMAND_SPEC): Add link_gomp.
11554 (GOMP_SELF_SPECS): New.
11555 (driver_self_specs): Include it.
11556 (switch_matches): Don't mark inline.
11557 (main): Load libgomp.spec.
11558 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11559 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11560 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11561 * tree-gimple.h (enum omp_parallel): Declare.
11562 (determine_parallel_type): Declare.
11563 (omp_firstprivatize_variable): Declare.
11564 (omp_reduction_init): Declare.
11565 (diagnose_omp_structured_block_errors): Declare.
11566 (struct walk_stmt_info): Add want_return_expr.
11567 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11568 (find_omp_clause): Declare.
11569 (insert_field_into_struct): Declare.
11570 (struct walk_stmt_info): Move from tree-nested.c
11571 (walk_stmts): Declare.
11572 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11574 * cgraphunit.c (cgraph_lower_function): Make static.
11575 (cgraph_finalize_pending_functions): New.
11576 (cgraph_finalize_function): Call it.
11577 (cgraph_finalize_compilation_unit): Likewise.
11578 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11579 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11580 (BT_FN_UINT_UINT): New.
11581 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11582 DEF_FUNCTION_TYPE_VAR_4): Document.
11583 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11584 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11585 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11586 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11587 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11588 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11589 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11590 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11591 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11592 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11593 into separate files.
11594 (DEF_GOMP_BUILTIN): New.
11595 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11596 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11597 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11598 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11599 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11600 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11601 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11602 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11603 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11604 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11605 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11606 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11607 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11608 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11609 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11610 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11611 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11612 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11613 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11614 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11615 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11616 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11617 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11618 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11619 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11620 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11621 * sync-builtins.def: New file, moved from builtins.def.
11622 * omp-builtins.def: New file, moved from builtins.def.
11623 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11624 * gimple-low.c (lower_function_body): Clear data.
11625 (lower_stmt): Do not handle COMPOUND_EXPR.
11626 Remove call to print_node_brief.
11627 * c-tree.h (c_finish_omp_clauses): New prototype.
11628 (C_DECL_THREADPRIVATE_P): Define.
11629 (lookup_name_no_remap, c_omp_remap_private): Remove
11630 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11631 (check_for_loop_decls): Update decl.
11632 (lookup_name_no_remap, c_omp_remap_private): Declare.
11633 (build_indirect_ref, build_modify_expr, pushdecl,
11634 pushdecl_top_level): Move to c-common.h.
11635 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11636 before the switch, but just in the 2 places that need it.
11637 * c-decl.c (diagnose_mismatched_decls): Do not check for
11638 mismatched thread-local attributes when OLDDECL is marked
11639 threadprivate and NEWDECL has no thread-local attributes.
11640 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11641 (c_gimple_diagnostics_recursively): Rename from
11642 c_warn_unused_result_recursively. Invoke
11643 diagnose_omp_structured_block_errors.
11644 (check_for_loop_decls): Return a singular decl found.
11645 * langhooks.c (lhd_omp_predetermined_sharing): Return
11646 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11647 (lhd_omp_firstprivatize_type_sizes): New.
11648 (lhd_omp_assignment): New.
11649 (lhd_omp_predetermined_sharing): New.
11650 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11651 (struct lang_hooks_for_types): Add
11652 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11653 omp_predetermined_sharing, omp_disregard_value_expr,
11654 omp_private_debug_clause, omp_clause_default_ctor,
11655 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11656 (c_finish_omp_clauses): New.
11657 (c_finish_bc_stmt): Diagnose break within omp for.
11658 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11659 (build_unary_op): Return error_mark after reporting
11661 (build_modify_expr): Likewise.
11662 * gimplify.c: Include optabs.h and pointer-set.h.
11663 (enum gimplify_omp_var_data): Declare.
11664 (struct gimplify_omp_ctx): Declare.
11665 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11667 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11668 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11669 (splay_tree_compare_decl_uid): New.
11670 (new_omp_context): New.
11671 (delete_omp_context): New.
11672 (gimple_add_tmp_var): Call omp_add_variable.
11673 (gimplify_bind_expr): Likewise.
11674 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11675 true, disregard DECL_VALUE_EXPR on the decl if any.
11676 (gimplify_expr_in_ctx): New.
11677 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11678 omp_add_variable, omp_notice_variable, omp_is_private
11679 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11680 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11681 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11682 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11683 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11684 gimplify_omp_atomic): New.
11685 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11686 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11687 OMP_CRITICAL and OMP_ATOMIC.
11688 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11689 * c-pragma.h (enum pragma_kind): Add
11690 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11691 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11692 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11693 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11694 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11695 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11696 PRAGMA_OMP_THREADPRIVATE.
11697 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11698 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11699 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11700 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11701 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11702 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11703 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11704 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11705 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11706 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11707 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11708 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11709 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11711 (struct nesting_info): Add field_map,
11712 suppress_expansion, debug_var_chain.
11713 (create_nesting_tree): Initialize them.
11714 (lookup_field_for_decl): Use field_map.
11715 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11716 (convert_local_omp_clauses): New.
11717 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11718 (walk_body): Split out of walk_function.
11719 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11720 (convert_nonlocal_reference): Handle omp statements.
11721 (convert_local_reference): Likewise.
11722 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11723 (unnest_nesting_tree): New.
11724 (lower_nested_functions): Call it.
11725 (insert_field_into_struct): Make extern.
11726 (struct walk_stmt_info): Move to tree-gimple.h.
11727 (walk_stmts): Make extern.
11728 * omp-builtins.def: New file.
11729 * tree-iterator.c (expr_only): Clarify comment.
11730 * c-common.h (pushdecl_top_level, pushdecl,
11731 build_modify_expr, build_indirect_ref,
11732 c_finish_omp_master, c_finish_omp_critical,
11733 c_finish_omp_ordered, c_finish_omp_barrier,
11734 c_finish_omp_atomic, c_finish_omp_flush,
11735 c_finish_omp_for, c_split_parallel_clauses,
11736 omp_clause_default_kind, c_omp_sharing_predetermined,
11737 c_omp_remap_decl): Declare.
11738 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11739 (OBJS-common): Add omp-low.o.
11740 (c-omp.o, omp-low.o): Add.
11741 (gimplify.o): Add dependency on $(OPTABS_H).
11742 (GTFILES): Add omp-low.c.
11743 (gt-stringpool.h): Add.
11744 * tree-cfg.c (set_bb_for_stmt): Do not update the
11745 block-to-labels map if we are currently expanding to RTL.
11746 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11748 Handle IDENTIFIER_NODE.
11749 (tree_verify_flow_info): Do not ICE when emitting error
11750 messages about invalid labels.
11751 (dump_function_to_file): Reset CFUN before emitting the body
11753 (debug_function): New.
11754 * passes.c (init_optimization_passes): Schedule
11756 * langhooks-def.h (lhd_omp_predetermined_sharing,
11757 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11759 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11760 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11761 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11762 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11763 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11764 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11765 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11766 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11767 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11768 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11769 (LANG_HOOK_DECLS): Use them.
11771 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11772 Richard Henderson <rth@redhat.com>
11773 Jakub Jelinek <jakub@redhat.com>
11774 Diego Novillo <dnovillo@redhat.com>
11776 * c-parser.c (pragma_omp_clause): Define.
11777 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11778 (c_parser_compound_statement): Likewise.
11779 (c_parser_statement): Likewise.
11780 (c_parser_pragma): Handle omp pragmas.
11781 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11782 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11783 (c_parser_omp_clause_name, check_no_duplicate_clause,
11784 c_parser_omp_variable_list,
11785 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11786 c_parser_omp_clause_copyprivate,
11787 c_parser_omp_clause_default,
11788 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11789 c_parser_omp_clause_lastprivate,
11790 c_parser_omp_clause_nowait,
11791 c_parser_omp_clause_num_threads,
11792 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11793 c_parser_omp_clause_reduction,
11794 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11795 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11796 c_parser_omp_atomic, c_parser_omp_barrier,
11797 c_parser_omp_critical, c_parser_omp_flush,
11798 c_parser_omp_for_loop, c_parser_omp_for,
11799 c_parser_omp_master, c_parser_omp_ordered,
11800 c_parser_omp_sections_scope, c_parser_omp_sections,
11801 c_parser_omp_parallel, c_parser_omp_single,
11802 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11803 * c-pragma.c (init_pragma): Do omp pragma registration here.
11804 * c.opt (fopenmp): New flag.
11806 2006-01-18 Eric Christopher <echristo@apple.com>
11808 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11809 * config/darwin.h (GOMP_SELF_SPECS): Define.
11811 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11813 * rtl.h: Remove the prototype for reg_alloc.
11815 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11818 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11819 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11820 sjlj and dwarf2 exception handling.
11821 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11822 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11823 * pa/pa.c (function_value): Treat complex and vector types as
11825 (function_arg): Likewise. Only pass scalar floats in the floating
11826 point argument registers.
11827 * pa/t-slibgcc-dwarf-ver: New file.
11828 * pa/t-slibgcc-sjlj-ver: New file.
11829 * pa/t-slibgcc-elf-ver: Delete file.
11831 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11833 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11834 unlikely_test_section_p test.
11836 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11838 * mode-switching.c (optimize_mode_switching): Make it static.
11839 * basic-block.h: Remove the prototype for
11840 optimize_mode_switching.
11842 * modulo-sched.c (sms_schedule): Make it static.
11843 * rtl.h: Remove the prototype for sms_schedule.
11845 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11846 * rtl.h: Remove the prototype for gcse_after_reload_main.
11848 * reg-stack.c (reg_to_stack): Make it static.
11849 * rtl.h: Remove the prototype for reg_to_stack.
11851 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11853 * rtl.h: Remove the prototypes for regrename_optimize and
11854 copyprop_hardreg_forward.
11856 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11858 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11859 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11860 Test against the appropriate null constant for the mode.
11861 If 'fixup_overlap' is true, swap the operands if they overlap.
11862 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11863 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11864 alpha_split_tmode_pair and adjust for above change.
11865 * config/alpha/alpha.md (movtf_internal): Adjust call to
11866 alpha_split_tfmode_pair and rely on it to swap the operands.
11867 (movti_internal): New insn and post-reload splitter.
11868 (movti): New expander.
11870 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11872 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11875 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11877 * rtlanal.c (global_reg_mentioned_p_1,
11878 global_reg_mentioned_p): Remove.
11879 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11881 * flow.c (initialize_uninitialized_subregs): Make it static.
11882 * rtl.h: Remove the prototype for
11883 initialize_uninitialized_subregs.
11885 * function.c (instantiate_virtual_regs): Make it static.
11886 * function.h: Remove the prototype for
11887 instantiate_virtual_regs.
11889 * regmove.c (regmove_optimize, combine_stack_adjustments):
11891 * rtl.h: Remove the prototypes for regmove_optimize and
11892 combine_stack_adjustments.
11894 2006-01-17 Roger Sayle <roger@eyesopen.com>
11896 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11897 (size_cost): Encode costs in bytes so that a reg-reg addition is
11898 equivalent to COSTS_N_INSNS(1).
11899 (override_options): Use the size_cost.branch_cost as the default
11900 ix86_branch_cost when optimizing for size.
11902 2006-01-18 Ben Elliston <bje@au.ibm.com>
11904 * Makefile.in (D32PBIT_FUNCS): New.
11905 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11906 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11907 D64PBIT_FUNCS and D128PBIT_FUNCS.
11908 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11909 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11911 (decnumber_dep): Define.
11912 * doc/libgcc.texi (Decimal float library routines): New node.
11913 * config/dfp-bit.h, config/dfp-bit.c: New files.
11915 2006-01-18 Ben Elliston <bje@au.ibm.com>
11917 * expr.c (emit_move_change_mode): Always adjust addresses, not
11918 just during reload. Copy replacements only during reload.
11919 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11920 emit_move_via_integer.
11922 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11924 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11925 instead of $(srcdir) and ${srcdir}.
11927 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11930 PR middle-end/11135
11931 * arm.h (struct machine_function): Add pic_reg.
11932 * arm.c (arm_pic_register): Make unsigned.
11933 (arm_override_options): Only set arm_pic_register if
11934 TARGET_SINGLE_PIC_BASE.
11935 (use_return_insn): Only test for a pic register if it is fixed.
11936 (arm_compute_save_reg0_reg12_mask): Likewise.
11937 (thumb_compute_save_reg_mask): Likewise.
11938 (legitimate_pic_operand): Factor out some known invariants.
11939 (legitimize_pic_address): If we don't have a fixed pic register,
11940 then set up a pseudo in the function entry sequence. Handle the
11941 pic base being in a pseudo.
11942 (arm_load_pic_register): Handle the pic register being in a pseudo.
11943 (arm_expand_prologue): Only set up the pic register if it is fixed.
11944 (thumb_expand_prologue): Likewise.
11945 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11946 (pic_load_addr_based_insn): Likewise.
11947 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11950 2006-01-18 Ben Elliston <bje@au.ibm.com>
11952 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11953 decimal float modes for all floating point registers.
11955 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11956 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11958 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11961 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11962 even when the pointer is not NULL.
11964 2006-01-16 Ian Lance Taylor <ian@airs.com>
11966 * common.opt (ftoplevel-reorder): New option.
11967 * cgraph.c (cgraph_asm_nodes): New global variable.
11968 (cgraph_asm_last_node): New static variable.
11969 (cgraph_order): New global variable.
11970 (cgraph_create_node): Set new order field.
11971 (cgraph_varpool_node): Likewise.
11972 (decide_is_variable_needed): Return true if not
11973 flag_toplevel_reorder.
11974 (cgraph_add_asm_node): New function.
11975 * cgraph.h (struct cgraph_node): Add order field.
11976 (struct cgraph_varpool_node): Add order field.
11977 (struct cgraph_asm_node): Define.
11978 (cgraph_asm_nodes, cgraph_order): Declare.
11979 (cgraph_add_asm_node): Declare.
11980 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11982 (cgraph_varpool_assemble_pending_decls): Call it.
11983 (cgraph_output_pending_asms): New static function.
11984 (cgraph_finalize_compilation_unit): Call it.
11985 (struct cgraph_order_sort): Define.
11986 (cgraph_output_in_order): New static function.
11987 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11988 !flag_toplevel_reorder case.
11989 * c-parser.c: Include "cgraph.h".
11990 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11992 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11993 than -fno-unit-at-a-time.
11994 * doc/invoke.texi (Option Summary): Mention
11995 -fno-toplevel-reorder.
11996 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11997 -funit-at-a-time documentation.
11999 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12000 Kazu Hirata <kazu@codesourcery.com>
12002 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12004 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12006 * Makefile.in (FUNCTION_H): New. Use it instead of
12007 function.h throughout the file.
12008 * function.h: Include tree.h.
12010 2006-01-17 Ben Elliston <bje@au.ibm.com>
12012 * recog.c: Separate some functions with whitespace.
12014 2006-01-16 Richard Henderson <rth@redhat.com>
12016 Merge from gomp branch:
12017 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12018 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12019 and rename from struct inline_data. Rename callee* to dst*;
12020 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12021 transform_new_cfg, transform_return_to_modify, and
12022 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12024 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12025 (copy_decl_for_dup): Remove.
12026 * tree-inline.c (struct inline_data): Move to header.
12027 (insert_decl_map): Export.
12028 (remap_decl): Update for member name changes. Use copy_decl hook.
12029 Allow for replacement to be a non-decl. Remove dead code.
12030 (remap_type_1): Check for existing mapping.
12031 (remap_type): Export.
12032 (remap_decls): Update for member name changes.
12033 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12034 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12035 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12036 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12037 (tree_function_versioning, build_duplicate_type): Likewise.
12038 (copy_body_r): Likewise. Export.
12039 (copy_decl_for_dup): Split into ...
12040 (copy_decl_for_dup_finish, copy_decl_to_var,
12041 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12042 (replace_ref_tree, inlining_p): Remove.
12044 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12046 * ifcvt.c (if_convert): Make it static.
12047 * rtl.h: Remove the prototype for if_convert.
12049 * local-alloc.c (local_alloc): Make it static.
12050 * rtl.h: Remove the prototype for local_alloc.
12052 * loop.c (loop_optimize): Make it static.
12053 * cfgloop.h: Remove the prototype for loop_optimize.
12056 2006-01-16 DJ Delorie <dj@redhat.com>
12058 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12061 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12063 * pa.md: Disparage copies between general and floating-point registers
12064 in 32-bit move patterns.
12066 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12069 * Makefile.in (check-%): Depend on site.exp instead of
12070 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12073 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12075 * global.c (global_alloc): Make it static.
12076 * rtl.h: Remove the prototype for global_alloc.
12078 2006-01-16 Richard Guenther <rguenther@suse.de>
12080 * tree-ssa-alias.c (struct used_part): Add write_only field.
12081 (get_or_create_used_part_for): Initialize it to true.
12082 (create_overlap_variables_for): Don't create structure variables
12083 for structures that only are written to.
12084 (find_used_portions): Handle MODIFY_EXPR to track whether a
12085 structure is only written to.
12087 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12089 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12091 * basic-block.h: Remove the prototype for
12092 partition_hot_cold_basic_blocks.
12094 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12096 * cppspec.c (lang_specific_spec_functions): Remove.
12097 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12098 * gcc.h (lang_specific_spec_functions): Remove.
12099 * gccspec.c (lang_specific_spec_functions): Remove.
12101 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12103 * combine.c (record_value_for_reg): Invalidate registers
12105 (record_dead_and_set_regs_1): Likewise, by passing them to
12106 record_value_for_reg.
12107 (record_dead_and_set_regs): Invalidate stores made by a
12108 call. We do not combine across a call, but we still
12109 relied on equivalences.
12111 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12113 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12114 vrp_int_const_binop returning non-constant nodes.
12116 2006-01-16 Paul Brook <paul@codesourcery.com>
12118 * config/m68k/m68k.c (output_move_const_into_data_reg):
12119 Output correct mnemonic for mvz and mvs.
12121 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12123 * rtl-factoring.c: Add sequence abstraction algorithm.
12124 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12125 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12127 (block_has_preserve_label): New function.
12128 * common.opt: Register new pass.
12129 * Makefile.in: Ditto.
12131 * timevar.def: Ditto.
12132 * tree-pass.h: Ditto.
12133 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12134 * rtl.h (make_jump_insn_raw): Add forward decl.
12135 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12137 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12138 Roger Sayle <roger@eyesopen.com>
12140 * fold-const.c (fold_minmax): New static function.
12141 (fold_binary) <MIN_EXPR>: Call it.
12142 <MAX_EXPR>: Likewise.
12143 * stor-layout.c (place_field): Use DECL_SIZE consistently
12144 in the computation of the new record size.
12146 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12148 * cse.c (cse_condition_code_reg): Make it static.
12149 * rtl.h: Remove the prototype for cse_condition_code_reg.
12151 * combine.c (combine_instructions): Make it static.
12152 * rtl.h: Remove the prototype for combine_instructions.
12154 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12157 * tree.c (get_file_function_name_long): Concatenate the first global
12158 object name with a string derived from the input filename of the object
12161 2006-01-16 Ben Elliston <bje@au.ibm.com>
12163 * config/i386/winnt-stubs.c: Update FSF address.
12164 * config/xtensa/ieee754-df.S: Ditto.
12165 * config/xtensa/ieee754-sf.S: Ditto.
12167 2006-01-14 Ian Lance Taylor <ian@airs.com>
12169 * ifcvt.c (noce_init_if_info): New static function, broken out of
12170 noce_process_if_block.
12171 (noce_process_if_block): Call noce_init_if_info.
12172 (check_cond_move_block): New static function.
12173 (cond_move_process_if_block): New static function.
12174 (process_if_block): Call cond_move_process_if_block.
12176 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12178 * cselib.c (hash_table): Rename to cselib_hash_table.
12179 (cselib_clear_table, discard_useless_values,
12180 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12181 cselib_init, cselib_finish): Adjust uses of hash_table.
12183 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12185 PR tree-optimization/25485
12186 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12187 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12188 is known to be false and true, respectively.
12190 2006-01-14 Richard Guenther <rguenther@suse.de>
12192 PR tree-optimization/22548
12193 PR tree-optimization/22555
12194 PR tree-optimization/22501
12195 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12196 * params.def (salias-max-array-elements): New parameter.
12197 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12198 * doc/invoke.texi (salias-max-array-elements): Document.
12199 * tree-flow-inline.h (var_can_have_subvars): We also handle
12201 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12203 * tree-ssa-structalias.c (params.h): Include.
12204 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12205 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12206 (get_constraint_for): For ADDR_EXPR operating on something
12207 containing an ARRAY_REF, add all subvars to the solution.
12208 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12209 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12210 for creating MUST_DEFs.
12211 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12213 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12215 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12217 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12218 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12219 number_of_iterations_le): New functions.
12220 (number_of_iterations_special): Removed.
12221 (number_of_iterations_exit): Do not use number_of_iterations_special.
12222 * tree.c (unsigned_type_for): Always return integer type.
12224 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12225 Richard Guenther <rguenther@suse.de>
12227 PR rtl-optimization/24257
12228 * gcse.c (find_moveable_store): Only consider a store movable
12229 when the SET_SRC of the insn can be assigned to a register.
12231 2006-01-14 Ian Lance Taylor <ian@airs.com>
12233 * tree.c (tree_not_class_check_failed): New function.
12234 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12235 (tree_not_class_check_failed): Declare.
12237 2006-01-13 Ian Lance Taylor <ian@airs.com>
12239 * reload1.c (do_output_reload): Add assertion rejecting a
12242 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12244 * combine.c (struct reg_stat): Add new fields truncation_label and
12246 (record_value_for_reg): Reset truncated_to_mode.
12247 (record_truncated_value): New function.
12248 (check_promoted_subreg): Call it. Rename to check_conversions.
12249 (combine_instructions): Rename check_promoted_subreg to
12251 (reg_truncated_to_mode): New function.
12252 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12253 (gen_lowpart_or_truncate): New function.
12254 (force_to_mode): Use it instead of gen_lowpart.
12256 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12258 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12259 VAR is a tag, not its type tag.
12261 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12263 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12264 alternatives to match style of other entries.
12265 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12267 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12269 PR tree-optimization/25771
12270 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12273 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12276 * tree-inline.c (declare_return_variable): If the return variable
12277 was marked as a non gimple complex, set the return slot variable
12278 to be a non gimple comple variable.
12280 2006-01-13 Richard Guenther <rguenther@suse.de>
12282 * builtins.c (expand_builtin_sincos): New function.
12283 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12285 (expand_builtin): Expand sincos using expand_builtin_sincos.
12287 2006-01-12 DJ Delorie <dj@redhat.com>
12289 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12290 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12291 so that constant shifts can be split.
12292 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12293 (m32c_valid_pointer_mode): Make static.
12294 (shift_gen_func_for): New.
12295 (m32c_prepare_shift): Use it. Split large const shifts into
12297 * config/m32c/predicates.md (shiftcount_operand): Allow more
12299 (longshiftcount_operand): New.
12300 * doc/md.texi (Machine Constraints): Document In6.
12302 2006-01-13 Ben Elliston <bje@au.ibm.com>
12304 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12305 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12308 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12310 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12311 to try to avoid clobbering pieces of structures when we know
12312 something about the whole structure.
12313 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12315 2006-01-13 Ben Elliston <bje@au.ibm.com>
12317 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12318 return in memory, as this is no limitation is no longer present.
12320 2006-01-12 DJ Delorie <dj@redhat.com>
12322 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12323 mova with fb, and for fb+0 -> An.
12325 * config/m32c/mov.md (peephole2): Fix enabling logic.
12327 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12328 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12329 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12330 FINI_ARRAY_SECTION_ASM_OP): Define.
12332 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12334 (m32c_legitimize_reload_address): New logic to reload FB to An.
12335 (m32c_output_reg_push): Add newline.
12336 (m32c_output_reg_pop): Likewise.
12338 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12340 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12342 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12344 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12346 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12348 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12351 2006-01-11 Ben Elliston <bje@au.ibm.com>
12353 * rtlanal.c (find_reg_note): Assert insn is not null.
12355 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12357 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12360 2006-01-11 Jeff Law <law@redhat.com>
12362 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12364 (mark_threaded_blocks, register_jump_thread): New functions.
12365 (thread_through_all_blocks): Remove unwanted argument. No
12366 longer rely on e->aux to communicate thread target info.
12367 Call mark_threaded_blocks. Release the threaded_blocks
12368 bitmap and threaded_edges vector when complete.
12369 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12370 (threaded_blocks): Remove.
12371 (tree_ssa_dominator_optimize): Remove initialization and
12372 finalization of threaded_blocks. Simplify call to
12373 thread_through_all_blocks.
12374 (thread_across_edge): Call register_jump_thread rather than
12375 storing thread information into e->aux.
12376 (free_all_edge_infos): Simplify now that e->aux is no longer
12377 used to communicate with thread_through_all_blocks.
12378 * tree-flow.h (thread_through_all_blocks): Update prototype.
12379 (register_jump_thread): Prototype.
12381 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12383 * df-core.c (df_compact_blocks, df_bb_replace): Use
12384 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12386 2006-01-11 Richard Guenther <rguenther@suse.de>
12388 PR tree-optimization/25734
12389 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12390 stop propagation after successful propagation to the LHS.
12392 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12394 * basic-block.h (control_flow_graph): Change the type of
12395 x_basic_block_info to VEC(basic_block,gc) *.
12396 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12398 (SET_BASIC_BLOCK): New.
12399 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12400 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12401 * cfgbuild.c (find_basic_blocks): Likewise.
12402 * cfglayout.c (fixup_reorder_chain): Likewise.
12403 * cfgrtl.c (create_basic_block_structure,
12404 rtl_create_basic_block): Likewise.
12405 * ifcvt.c (find_if_case_1): Likewise.
12406 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12409 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12411 * Makefile.in: Removed rotted odf.c entry.
12413 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12416 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12417 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12418 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12419 output pattern modifier, not %e.
12420 * config/cris/cris.c (cris_op_str): Update comment about pattern
12422 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12423 before falling through into...
12424 <case 'E'>: Redefined from old 'e' case.
12426 2006-01-11 Jan Hubicka <jh@suse.cz>
12429 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12431 2006-01-11 Jan Hubicka <jh@suse.cz>
12433 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12434 * i386.c (x86_decompose_lea): Kill.
12435 (ix86_rtx_costs): Kill.
12437 2006-01-11 Jan Hubicka <jh@suse.cz>
12439 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12440 * cgraph.h (cgraph_node): Add inline_decl.
12441 (cgraph_insert_node_to_hashtable): Declare.
12442 (save_inline_function_body): Declare.
12443 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12445 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12446 (cgraph_function_versioning): Update call of tree_function_versioning.
12447 (save_inline_function_body): New function.
12448 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12449 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12450 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12451 (cgraph_default_inline_p): Likewise.
12452 (cgraph_decide_inlining_incrementally): Likewise.
12453 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12454 (copy_bb): Kill saving; do updating of clones.
12455 (copy_cfg_body): Kill saving.
12456 (initialize_inlined-parameters): Likewise.
12457 (expand_call_inline): Likewise.
12459 (tree_function_versioning): New parameter "update_clones".
12460 (inlining_p): Kill saving.
12461 * tree-inline.h (tree_function_versioning): Update prototype.
12462 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12465 2006-01-11 Ian Lance Taylor <ian@airs.com>
12467 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12468 Allow undoing set of machine mode.
12469 (do_SUBST): Use enums instead of is_int.
12470 (do_SUBST_MODE): New function.
12471 (SUBST_MODE): New macro.
12472 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12473 reg and trying to replace reg_regno_rtx with a new register.
12474 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12475 (simplify_set): Use SUBST_MODE.
12476 (distribute_notes): Remove code that tried to update reg notes
12477 for regno_reg_rtx changes.
12479 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12481 PR tree-optimization/23109
12482 PR tree-optimization/23948
12483 PR tree-optimization/24123
12485 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12486 * tree-cfg.c (single_noncomplex_succ): New.
12487 * tree-flow.h (single_noncomplex_succ): Declare it.
12488 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12489 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12490 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12491 insert_bb, register_division_in, insert_reciprocals,
12492 replace_reciprocal, free_bb): New.
12493 (execute_cse_reciprocals_1): Rewritten.
12494 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12495 Do not commit any edge insertion. Always compute dominators and
12496 create the allocation pool.
12497 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12498 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12499 * targhooks.c (default_min_divistions_for_recip_mul): New.
12500 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12501 * passes.c (init_optimization_passes): Run recip after tree loop
12503 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12505 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12506 Kenneth Zadeck <zadeck@naturalbridge.com>
12508 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12509 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12510 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12511 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12512 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12513 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12514 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12515 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12516 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12517 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12518 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12519 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12520 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12521 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12522 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12523 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12524 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12525 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12526 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12527 DF_SCAN_POST_ALLOC): New macros.
12528 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12529 df_free_bb_function, df_local_compute_function, df_init_function,
12530 df_dataflow_function, df_confluence_function_0,
12531 df_confluence_function_n, df_transfer_function,
12532 df_finalizer_function, df_free_function, df_dump_problem_function,
12533 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12534 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12535 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12536 df_urec_bb_info, ) New types.
12537 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12539 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12540 df_analyze_simple_change_some_blocks,
12541 df_analyze_simple_change_one_block, df_compact_blocks,
12542 df_bb_replace, df_bb_regno_last_use_find,
12543 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12544 df_insn_regno_def_p, df_find_def, df_find_use,
12545 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12546 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12547 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12548 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12549 debug_df_chain, df_get_dependent_problem, df_chain_create,
12550 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12551 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12552 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12553 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12554 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12555 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12556 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12557 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12558 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12559 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12560 df_reorganize_refs, df_set_state, df_hard_reg_init,
12561 df_read_modify_subreg_p) New public functions.
12562 * df-core.c: The core dataflow solver and glue routines for rtl
12564 (df_init, df_add_problem, df_set_blocks, df_finish,
12565 df_hybrid_search_forward, df_hybrid_search_backward,
12566 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12567 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12568 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12569 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12570 df_reg_defined, df_find_use, df_reg_used, df_dump,
12571 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12572 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12573 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12574 debug_df_useno, reset_df_after_reload): New functions.
12575 * df-scan.c: The scanning fuctions, once in df.c, completely
12576 rewritten so that they now fully model the functionality of
12577 register usage at the backend.
12578 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12579 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12580 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12581 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12582 df_get_artificial_defs, df_get_artificial_uses,
12583 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12584 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12585 df_refs_delete, df_reorganize_refs, df_set_state,
12586 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12587 df_def_record_1, df_defs_record, df_uses_record,
12588 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12589 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12590 df_record_exit_block_uses, df_hard_reg_init): New functions.
12592 * df-problems.c: Seven concrete dataflow problems that use the
12593 scanning in df-scan.c and are solved by the engine in df-core.c.
12594 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12595 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12596 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12597 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12598 df_ru_free_bb_info, df_ru_alloc,
12599 df_ru_bb_local_compute_process_def,
12600 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12601 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12602 df_ru_transfer_function, df_ru_free, df_ru_dump,
12603 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12604 df_rd_free_bb_info, df_rd_alloc,
12605 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12606 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12607 df_rd_transfer_function, df_rd_free, df_rd_dump,
12608 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12609 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12610 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12611 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12612 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12613 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12614 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12615 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12616 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12617 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12618 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12619 df_urec_mark_reg_use_for_earlyclobber,
12620 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12621 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12622 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12623 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12624 df_chain_create_bb_process_use, df_chain_create_bb,
12625 df_chain_finalize, df_chain_free, df_chains_dump,
12626 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12627 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12628 df_reg_lifetime): New functions.
12629 * df.c: Deleted file.
12630 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12631 consistent with new df api.
12632 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12633 rest_of_handle_sms): Ditto.
12634 * web.c (unionfind_union, union_defs, entry_register, web_main):
12636 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12637 invariant_expr_equal_p, find_defs, check_dependencies,
12638 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12639 free_inv_motion_data, move_loop_invariants): Ditto.
12640 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12641 Update dependencies.
12642 (odf.c): Added defective entry that was deleted later in day.
12643 * sched-deps.c (sched_analyze_1): Ditto.
12645 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12647 * tree-ssa-operands.c (get_expr_operands): Record addressable
12648 variables directly. Do not call add_stmt_operands for CONST_DECLs
12650 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12651 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12653 2006-01-11 Ben Elliston <bje@au.ibm.com>
12655 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12656 function returns true in the positive case.
12658 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12661 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12662 for SI, DI, SF and DF modes. Add alternatives to copy between
12663 general and floating point registers to the 32-bit patterns.
12664 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12665 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12666 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12667 generating 64-bit code.
12668 * config/pa/pa.c (output_move_double): Handle copies between general
12669 and floating registers.
12671 2006-01-10 Stuart Hastings <stuart@apple.com>
12673 * config/i386/i386.md (set_got): Update.
12674 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12675 (builtin_setjmp_receiver): Mach-O support.
12676 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12677 (GOT_SYMBOL_NAME): Define.
12678 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12679 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12680 * config/i386/i386.c (override_options): Revise for Darwin.
12681 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12682 support. (darwin_x86_file_end): New. (output_set_got): Add label
12683 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12684 * config/i386/i386-protos.h (output_set_got): Likewise.
12685 * config/darwin.c (machopic_legitimize_pic_address): Update
12688 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12690 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12691 when MODE isn't BLKmode.
12693 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12695 PR rtl-optimization/25367
12696 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12698 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12701 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12702 for a negative bound.
12704 2006-01-10 Richard Guenther <rguenther@suse.de>
12706 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12707 Never override with anything constraint.
12709 2006-01-10 Jan Beulich <jbeulich@novell.com>
12711 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12712 256 bits when optimize_size.
12714 2006-01-10 Jan Beulich <jbeulich@novell.com>
12716 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12718 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12719 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12722 2006-01-10 Ben Elliston <bje@au.ibm.com>
12724 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12726 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12727 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12728 (USE_FP_FOR_ARG): Reject decimal float modes.
12729 (function_arg_advance): Likewise.
12730 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12731 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12732 point types in AltiVec vectors.
12733 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12734 (rs6000_libcall_value): Likewise.
12736 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12738 * config/xtensa/ieee754-df.S: New file.
12739 * config/xtensa/ieee754-sf.S: New file.
12740 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12741 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12742 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12744 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12746 * config/sh/predicates.md (binary_float_operator,
12747 binary_logical_operator, commutative_float_operator,
12748 equality_comparison_operator, greater_comparison_operator,
12749 less_comparison_operator, logical_operator,
12750 noncommutative_float_operator, shift_operator,
12751 symbol_ref_operand, unary_float_operator): Remove redundant
12754 2006-01-09 Jeff Law <law@redhat.com>
12756 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12757 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12758 now unused arguments. Callers updated.
12759 (eliminate_redundant_computations): Remove now unused arguments,
12761 (local_fold): Remove, no longer used.
12762 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12764 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12765 (simplify_cond): New function.
12766 (forward_propagate_into_cond): Call simplify_cond.
12768 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12770 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12771 (*vec_extractv2di_1_sse): New.
12773 2006-01-09 Ben Elliston <bje@au.ibm.com>
12775 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12777 2006-01-08 Richard Guenther <rguenther@suse.de>
12779 * tree-ssa-structalias.c (get_constraint_for): Remove
12780 anyoffset argument.
12781 (get_constraint_for_component_ref): Likewise.
12782 (do_deref): Likewise.
12783 (get_constraint_for): Likewise.
12784 (do_structure_copy): Likewise.
12785 (handle_ptr_arith): Likewise.
12786 (find_func_aliases): Likewise. Remove unused need_anyoffset
12789 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12790 Kaz Kojima <kkojima@gcc.gnu.org>
12792 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12793 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12794 (EXTRA_CONSTRAINT_C16): Remove.
12795 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12796 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12797 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12798 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12799 constants of SHmedia. Handle nested constant expressions of
12801 (andcosts): Fix the costs for SHmedia constants.
12802 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12803 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12804 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12805 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12806 (movv4hi_i, movv2si_i): Likewise.
12807 (movsi_const): Adjust the second operand of ior so to match with
12808 the Csu constraint.
12809 (movdi_const, movdi_const_32bit): Likewise.
12810 (movdi_const_16bit+1): Don't sign-extend LOW.
12811 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12813 (*double_shori): Fix the split condition. Use GEN_INT instead
12814 of get_int_mode calls. Mask lower 16-bit of the argument of
12816 (sym2GOTPLT): Remove.
12817 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12819 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12820 instead of EXTRA_CONSTRAINT_C16.
12822 2006-01-07 Ian Lance Taylor <ian@airs.com>
12823 David Edelsohn <edelsohn@gnu.org>
12825 PR rtl-optimization/25662
12826 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12827 for constant operands instead of simplify_gen_binary.
12828 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12829 after trying simplify_binary_operation
12831 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12833 * tree.c (iterative_hash_expr): Hash decls based on UID.
12835 2006-01-06 Eric Christopher <echristo@apple.com>
12837 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12838 (TARGET_UNWIND_EMIT): Fix spelling.
12839 * target.h (gcc_target): Add except_table_label.
12840 * except.c (output_function_exception_table): Use.
12841 * varasm.c (default_emit_except_table_label): New.
12842 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12844 (asm_out): Add here.
12845 * output.h (default_emit_except_table_label): Prototype.
12846 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12847 * config/darwin.c (darwin_emit_except_table_label): Define.
12848 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12850 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12852 PR tree-optimization/18527
12853 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12854 number_of_iterations_special, number_of_iterations_exit):
12855 Move base and step of an iv to a single structure. Add
12856 no_overflow flag, and use it in # of iterations analysis.
12857 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12858 folded_casts argument.
12859 (simple_iv): Pass base and step in a structure. Set no_overflow
12861 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12862 Evaluate expensiveness of computing # of iterations instead of
12863 the final expression.
12864 * tree-scalar-evolution.h (affine_iv): New structure.
12865 (simple_iv): Declaration changed.
12866 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12867 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12868 find_givs_in_stmt): Changed due to simple_iv change.
12870 2006-01-06 Jeff Law <law@redhat.com>
12873 * tree-cfg.c (bsi_replace): Rename final argument from
12874 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12875 change (stmt -> orig_stmt).
12876 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12877 (bsi_remove): Add new argument. Remove EH information
12879 (verify_eh_throw_table_statements): New function.
12880 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12882 * tree-optimize.c (execute_free_cfg_annotations): Verify
12883 the EH throw statement table after removing annotations.
12884 * except.h (verify_eh_throw_table_statements): Prototype.
12885 * tree-flow.h (bsi_remove): Update prototype.
12886 * tree-vrp.c (remove_range_assertions): Add new argument to
12888 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12889 * tree-complex.c (expand_complex_div_wide): Likewise.
12890 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12891 * tree-tailcall.c (eliminate_tailcall): Likewise.
12892 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12893 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12894 * tree-nrv.c (tree_nrv): Likewise.
12895 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12896 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12897 (combine_blocks): Likewise.
12898 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12899 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12900 (cleanup_control_flow): Likewise.
12901 (remove_forwarder_block): Likewise.
12902 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12903 * tree-sra.c (sra_replace): Likewise.
12904 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12905 (forward_propagate_single_use_vars): Likewise.
12906 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12907 * tree-inline.c (expand_call_inline): Likewise.
12908 * tree-vect-transform.c (vect_transform_loop): Likewise.
12909 * tree-outof-ssa.c (rewrite_trees): Likewise.
12910 * tree-cfg.c (make_goto_expr_edges): Likewise.
12911 (cleanup_dead_labels): Likewise.
12912 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12913 (bsi_move_before, bsi_move_after): Likewise.
12914 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12915 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12917 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12920 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12922 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12923 on non gimple variables. Also add checks at the top for decls and
12925 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12927 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12928 and IMAGPART_EXPR for creating MUST_DEFs.
12929 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12930 and NAME_MEMORY_TAG separately from the DECLs.
12932 2006-01-06 Richard Guenther <rguenther@suse.de>
12934 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12935 annotation, if necessary.
12936 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12937 redundant calls to update_stmt.
12938 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12941 2006-01-05 Richard Henderson <rth@redhat.com>
12943 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12945 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12947 * c-typeck.c: Update copyright date.
12949 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12951 * c-typeck.c (build_c_cast): Always warn when casting
12952 from a pointer to an integer of different size, even if
12953 the node was constant.
12955 2006-01-05 Richard Guenther <rguenther@suse.de>
12957 PR tree-optimization/22555
12958 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12959 if one structure field is an array.
12960 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12961 operands even if we found a subvar, but ignore VOPs in this
12963 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12965 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12967 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12969 PR middle-end/24998
12970 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12972 2006-01-05 Richard Guenther <rguenther@suse.de>
12973 Diego Novillo <dnovillo@redhat.com>
12975 * tree-pass.h (TODO_remove_unused_locals): Define.
12976 * gimple-low.c (expand_var_p, remove_useless_vars,
12977 pass_remove_useless_vars): Remove. Update all users.
12978 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12979 (remove_unused_locals): New function.
12980 * tree-flow.h (remove_unused_locals): Declare.
12981 * passes.c (execute_todo): Call remove_unused_locals if
12982 TODO_remove_unused_locals is set.
12983 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12984 * tree-ssa-dce.c (pass_dce): Likewise.
12985 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12987 2006-01-05 Richard Guenther <rguenther@suse.de>
12989 * tree-flow.h (struct fieldoff): Decompose field to
12990 type, size and decl.
12991 * tree-ssa-alias.c (create_sft): Take type as parameter.
12992 (create_overlap_variables_for): Store type, size and decl
12993 in the fieldoff structure.
12994 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12995 of struct fieldoff.
12996 (push_fields_onto_fieldstack): Likewise.
12997 (create_variable_info_for): Likewise. Use offset for the
12998 SFT name if the decl is not available.
13000 2006-01-04 Paul Brook <paul@codesourcery.com>
13002 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13004 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13006 * lambda-code.c (can_put_in_inner_loop): Relax
13008 (can_put_after_inner_loop): New function.
13009 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13010 (perfect_nestify): Change to make copies and modify uses.
13012 2006-01-04 Richard Henderson <rth@redhat.com>
13014 Merge from gomp branch:
13015 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13016 via integer constant.
13017 (pragma_lex): Remove.
13018 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13019 rather than parsing it.
13020 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13021 handle_pragma_extern_prefix): Add %< %> quotes.
13022 (registered_pragmas): New.
13023 (c_register_pragma_1): New.
13024 (c_register_pragma): Use it.
13025 (c_register_pragma_with_expansion): Likewise.
13026 (c_invoke_pragma_handler): New.
13027 (init_pragma): Use cpp_register_deferred_pragma directly for
13029 * c-pragma.h (enum pragma_kind): New.
13030 (pragma_handler): New.
13031 (c_invoke_pragma_handler): Declare.
13032 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13034 * c-common.h (c_common_pch_pragma): Update decl.
13035 * Makefile.in (c-parser.o): Update dependencies.
13036 (GTFILES): Add c-pragma.h.
13037 * c-parser.c (struct c_token): Add pragma_kind.
13038 (struct c_parser): Add in_pragma.
13039 (c_lex_one_token): Always initialize keyword and pragma_kind.
13040 Extract data for CPP_PRAGMA.
13041 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13042 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13043 Don't allow CPP_PRAGMA_EOL if in_pragma.
13044 (c_parser_consume_pragma): New.
13045 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13046 (c_parser_skip_to_end_of_parameter): Likewise.
13047 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13048 (c_parser_skip_to_pragma_eol): New.
13049 (c_parser_external_declaration): Handle CPP_PRAGMA.
13050 (c_parser_compound_statement_nostart): Likewise.
13051 (c_parser_statement_after_labels): Likewise.
13052 (c_parser_pragma): New.
13053 (pragma_lex): Likewise.
13054 (c_parser_pragma_pch_preprocess): New.
13055 (c_parser_new): Merge into ...
13056 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13058 2006-01-04 Jeff Law <law@redhat.com>
13061 * tree-cfg.c (bsi_replace): Remove the original statement
13062 from the EH throw statement table.
13064 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13066 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13067 make the prototype extern "C" and add throw ().
13070 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13071 and pos non-negative and pos + len <= 32.
13072 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13073 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13074 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13077 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13078 as well as sizes not multiple of component size.
13081 * function.c (instantiate_expr): New function.
13082 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13083 walk its DECL_VALUE_EXPR with instantiate_expr.
13085 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13086 DW_OP_deref{,_size} if address isn't going to be added.
13088 2006-01-04 Ben Elliston <bje@au.ibm.com>
13090 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13091 * config/fp-bit.c: Likewise.
13093 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13095 * dominance.c: Add comment about why we use DFS numbering
13098 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13099 Richard Henderson <rth@redhat.com>
13101 Merge from gomp-branch:
13102 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13103 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13105 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13107 PR rtl-optimization/25578
13108 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13109 pass a parameter to simplify_shift_const if changing ASHIFTRT
13112 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13114 * builtins.c (get_builtin_sync_mem): New function.
13115 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13116 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13117 Call get_builtin_sync_mem to generate mem rtx.
13119 2006-01-03 Richard Guenther <rguenther@suse.de>
13122 * stmt.c (add_case_node): Make sure to clear overflow flags
13125 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13127 Merge from gomp-branch.
13128 * config/sparc/sync.md: New file.
13129 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13130 UNSPECV_LDSTUB): New constants.
13131 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13132 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13133 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13136 2006-01-03 Roger Sayle <roger@eyesopen.com>
13138 * combine.c (reg_subword_p): New predicate to test whether the
13139 destination of a set refers to a subword/piece of a register.
13140 (try_combine): Generalize the code to merge the setting of a
13141 pseudo to a constant followed by a set of a subword of that
13142 register to a constant.
13144 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13146 * basic-block.h (control_flow_graph): Change the type of
13147 x_label_to_block_map to VEC(basic_block,gc) *.
13148 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13149 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13151 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13152 VEC(basic_block,heap) *.
13153 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13154 ssa_prop_fini): Adjust the uses of cfg_blocks.
13156 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13158 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13160 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13161 hashing trees instead of a pointer hash.
13162 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13163 compare for MEM_EXPR.
13165 PR rtl-optimization/25130
13166 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13167 when comparing MEMs for GCSE
13169 2006-01-03 Ben Elliston <bje@au.ibm.com>
13171 * targhooks.h (default_decimal_float_supported_p): Declare.
13172 * targhooks.c (default_decimal_float_supported_p): Define.
13173 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13174 `default_decimal_float_supported_p'.
13175 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13177 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13179 * combine.c (apply_distributive_law <SUBREG>): Check
13180 TRULY_NOOP_TRUNCATION.
13182 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13184 * dwarf2out.c (have_switched_text_section): Delete.
13185 (have_multiple_function_sections): New.
13186 (have_location_lists): Make 'bool'.
13187 (add_AT_loc_list): Use 'true' not '1'.
13188 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13189 (output_loc_list): Use have_multiple_function_sections.
13190 (output_ranges): Likewise.
13191 (dwarf2out_begin_function): Set have_multiple_function_sections if
13193 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13194 Check function_section rather than DECL_SECTION_NAME.
13195 (dwarf2out_finish): Use have_multiple_function_sections.
13196 Don't clear have_location_lists.
13198 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13199 Jan Hubicka <jh@suse.cz>
13201 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13202 case of conditional jump jumping to the next instruction.
13203 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13204 cases of conditional jump jumping to the next instruction.
13206 2006-01-02 Jan Hubicka <jh@suse.cz>
13208 * i386.c (*_cost): Add COSTS_N_INSNS.
13209 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13211 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13214 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13216 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13218 * config/arm/arm.c (all_fpus): Fix comment typo.
13219 * config/darwin.c: Likewise.
13220 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13221 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13222 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13224 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13226 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13227 (rs6000_split_compare_and_swapqhi): New.
13228 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13229 (sync_compare_and_swapqhi_internal): New.
13230 * config/rs6000/rs6000-protos.h: Declare.