1 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3 * doc/invoke.texi (C++ Dialect Options): Explain difference
4 between -fvisibility-inlines-hidden and setting hidden
7 2006-07-12 Eric Christopher <echristo@apple.com>
9 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10 (stmp-lipo): Depend on libgcc.a.
12 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
14 * tree.c: Fix a comment typo.
16 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
18 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
20 (umulhisi3_r): Likewise.
22 2006-07-12 Paolo Carlini <pcarlini@suse.de>
25 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
26 x < 19, vs wchar_t support.
28 2006-07-12 Nick Clifton <nickc@redhat.com>
30 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
33 2006-07-12 Mike Stump <mrs@apple.com>
36 * c-parser.c (c_parser_typeof_specifier): Don't use
37 c_finish_expr_stmt, open code desired semantics instead.
39 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
41 2006-07-10 Eric Christopher <echristo@apple.com>
43 * config/t-slibgcc-darwin: Rewrite.
45 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
48 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
51 2006-07-08 Matthias Klose <doko@debian.org>
53 * doc/sourcebuild.texi: Fix typo.
55 2006-07-07 Mike Stump <mrs@apple.com>
57 * toplev.c (process_options): Don't give -ffunction-sections may
58 affect debugging warning for Mach-O.
60 2006-07-07 James E Wilson <wilson@specifix.com>
62 * config/mips/mips.md (cpu): Add sb1a.
63 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
64 addition to sb1. Adjust comments to clarify SB-1A differences from
66 (ir_sb1a_load): New. Modify bypasses to use it.
67 (ir_sb1a_simple_alu): Likewise.
68 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
69 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
70 (mips_issue_rate): Add PROCESSOR_SB1A.
71 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
72 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
73 (TARGET_SB1): Add PROCESSOR_SB1A check.
76 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
77 * config/mips/mips.c (mips_store_data_bypass_p): New.
78 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
81 2006-07-08 Paul Brook <paul@codesourcery.com>
84 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
86 2006-07-07 Richard Guenther <rguenther@suse.de>
89 * tree.h (build_one_cst): Declare.
90 * tree.c (build_one_cst): New function.
91 * tree-ssa-math-opts.c (get_constant_one): Remove.
92 (insert_reciprocals): Use build_one_cst.
93 * fold-const.c (fold_plusminus_mult): Likewise.
95 2006-07-07 Roger Sayle <roger@eyesopen.com>
97 * pointer-set.c (pointer_set_destroy): Correct whitespace.
98 * cfgloopanal.c (dump_graph): Likewise.
99 * dojump.c (discard_pending_stack_adjust): Likewise.
100 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
102 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
103 * function.c (finalize_block_changes): Likewise.
104 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
105 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
106 * rtl.c (dump_rtx_statistics): Likewise.
107 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
109 * varray.c (dump_varray_statistics): Likewise.
110 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
111 decode_decimal64, encode_decimal128, decode_decimal128,
112 decimal_real_to_decimal): Likewise.
114 2006-07-07 Richard Guenther <rguenther@suse.de>
116 PR tree-optimization/28187
117 * tree-vrp.c (vrp_operand_equal_p): New function.
118 (vrp_bitmap_equal_p): Likewise.
119 (update_value_range): Use them to compare old and new
122 2006-07-06 Roger Sayle <roger@eyesopen.com>
124 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
125 a default case to switch statement to silence compiler warnings.
127 2006-07-06 Roger Sayle <roger@eyesopen.com>
130 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
131 the configured assembler supports the x87's ffreep mnemonic.
132 * configure: Regenerate.
133 * config.in: Regenerate.
135 * config/i386/i386.c (output_387_ffreep): New function.
136 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
137 (output_387_reg_move): Likewise.
139 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
141 Port to hosts whose 'sort' and 'tail' implementations
142 treat operands with leading '+' as file names, as POSIX
143 has required since 2001. However, make sure the code still
144 works on pre-POSIX hosts.
145 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
146 which says you should use "tail -c +N" rather than "tail +Nc".
147 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
149 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
151 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
154 2006-07-06 David Edelsohn <edelsohn@gnu.org>
157 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
158 PRE_{INC,DEC} of TFmode.
160 2006-07-06 David Edelsohn <edelsohn@gnu.org>
161 Alan Modra <amodra@bigpond.net.au>
164 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
167 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
170 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
171 Remove duplicate gtu.
173 2006-07-05 Jason Merrill <jason@redhat.com>
177 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
178 * c-common.c (handle_packed_attribute): So don't copy it here.
179 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
181 2006-07-05 Mike Stump <mrs@apple.com>
183 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
185 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
188 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
190 2006-07-05 Richard Guenther <rguenther@suse.de>
193 * config/i386/i386.md (*negdf2_1): Restrict pattern to
194 TARGET_SSE2 targets if using SSE math.
195 (*absdf2_1): Likewise.
197 2006-07-05 Richard Guenther <rguenther@suse.de>
199 PR tree-optimization/28162
200 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
201 make sure to convert the operands to the correct type.
203 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
205 PR tree-optimization/28218
207 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
208 to calculate and free the dominator information.
210 2006-07-04 Peter O'Gorman <peter@pogma.com>
212 * mklibgcc.in: chmod 644 before ranlib during install.
214 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
215 J"orn Rennecke <joern.rennecke@st.com>
217 * configure.ac (.eh_frame data check): Use diff -b.
219 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
222 * Makefile.in (BUILD_RTL): Add build/vec.o.
223 (build/gencondmd.o): Filter out -fkeep-inline-functions.
224 (build/genextract): Delete.
225 (build/genautomata): Likewise.
227 2006-07-04 Alan Modra <amodra@bigpond.net.au>
230 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
231 128-bit IBM long doubles for ABI_V4.
233 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
235 * tree.c (range_in_array_bounds_p): New predicate.
236 * tree.h (range_in_array_bounds_p): Declare it.
237 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
238 return a less conservative answer.
239 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
241 (IS_ELEMENT_FOR_GROUP): New macro.
242 (FOR_EACH_ACTUAL_CHILD): Likewise.
243 (next_child_for_group): New helper function.
244 (can_completely_scalarize_p): Take into account groups.
245 (sra_hash_tree): Handle RANGE_EXPR.
246 (sra_elt_eq): Likewise.
247 (lookup_element): Be prepared for handling groups.
248 (is_valid_const_index): Delete.
249 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
250 instead of is_valid_const_index.
251 <ARRAY_RANGE_REF>: New case.
252 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
253 is_valid_const_index.
254 <ARRAY_RANGE_REF>: Do not unconditionally punt.
255 (scan_dump): Dump info for groups too.
256 (decide_instantiation_1): Likewise.
257 (decide_block_copy): Assert that the element is not a group.
258 Propagate decision to groups.
259 (generate_one_element_ref): Handle RANGE_EXPR.
260 (mark_no_warning): Iterate over actual childs.
261 (generate_copy_inout): Likewise.
262 (generate_element_copy): Likewise.
263 (generate_element_zero): Likewise.
264 (generate_element_init_1): Likewise.
265 (dump_sra_elt_name): Handle RANGE_EXPR.
267 2006-07-03 Roger Sayle <roger@eyesopen.com>
269 PR tree-optimization/26251
270 * tree-ssa-threadupdate.c (redirection_block_p): New function.
271 (thread_block): When optimizing for size refuse to thread jumps
272 that would require duplication of blocks other than redirection
275 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
277 * configure.ac: Fix thinko in previous check-in.
278 * configure: Regenerate.
280 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
283 * configure.ac (for lang...): Simplify nesting of conditionals.
284 Test subdir_requires for non-enabled languages. Move processing
285 of lang_opt_files and lang_tree_fiels below that test.
286 * configure: Regenerate.
287 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
289 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
291 * doc/gcov.texi (Invoking Gcov): Add a missing word.
293 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
295 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
298 2006-06-29 Jason Merrill <jason@redhat.com>
305 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
306 * c-common.c (c_determine_visibility): Handle it here.
307 * c-decl.c (finish_decl): Call c_determine_visibility for
309 * flags.h (enum symbol_visibility): Sort from most to least visibility.
311 * varasm.c (default_assemble_visibility): Likewise.
312 * c-common.c (handle_visibility_attribute): Complain about trying
313 to give visibility to an already defined class, or trying to change
314 declared visibility. Always attach the attribute.
319 * attribs.c (decl_attributes): Ignore type-in-place attributes
320 once the type has been defined.
322 2006-06-29 Roger Sayle <roger@eyesopen.com>
325 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
326 to indicate the cpplib has issued an error message for us.
328 2006-06-29 Asher Langton <langton2@llnl.gov>
331 * config/i386/i386.c (ix86_output_function_epilogue): Don't
332 insert a label at the end of an function under Mach-O.
334 2006-06-29 Eric Christopher <echristo@apple.com>
335 Evan Cheng <evan.cheng@apple.com>
337 * predicates.md (vector_all_ones_operand): New.
338 (nonimmediate_or_sse_const_operand): Ditto.
339 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
340 * config/i386/i386.c (standard_sse_constant_opcode): Define.
341 (standard_sse_mode_p): Ditto.
342 (standard_sse_constant_p): Add case for -1 vector.
343 (ix86_expand_vector_move): Try to use.
344 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
345 Call standard_sse_constant_opcode.
346 (*movv4sf_internal): Ditto.
347 (*movv2df_internal): Ditto.
349 2006-06-29 Roger Sayle <roger@eyesopen.com>
351 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
352 of XEXP to extract the operands of a MATCH_CODE rtx.
354 2006-06-28 Andrew Pinski <pinskia@gmail.com>
356 * tree.c (tree_size): Do not waste tail padding in
357 struct tree_string and make the size be the same as
358 build_string will generate.
360 2006-06-28 Jason Merrill <jason@redhat.com>
363 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
364 may_aliases already in the tag's annotations to the bitmap.
366 2006-06-28 Roger Sayle <roger@eyesopen.com>
368 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
370 2006-06-28 Roger Sayle <roger@eyesopen.com>
372 * genpreds.c (generate_switch_p): New function.
373 (add_mode_tests): Push the new mode test down inside an AND expr
374 if this allows the switch-suitable MATCH_CODE to be near the root.
375 (write_match_code_switch): New function to write a MATCH_CODE as
377 (write_predicate_stmts): New function to write a predicate RTX
378 expression as a sequence of statements.
379 (write_one_predicate_function): Use write_predicate_stmts.
380 (write_tm_constrs_h): Likewise.
382 2006-06-26 Fred Fish <fnf@specifix.com>
384 * config/mips/t-sb1: New file.
385 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
388 2006-06-26 DJ Delorie <dj@redhat.com>
390 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
392 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
393 Jayant Sonar <jayants@kpitcummins.com>
394 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
396 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
397 (subsi3, subsi3_1, subsi3_2): New.
398 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
399 * config/m32c/mov.md (SI mov peephole): New.
400 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
401 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
403 2006-06-26 Olivier Hainque <hainque@adacore.com>
405 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
406 a CALL_EXPR target function declaration.
408 2006-06-26 Richard Guenther <rguenther@suse.de>
410 * tree.c (build_string): Do not waste tail padding in
413 2006-06-26 Richard Guenther <rguenther@suse.de>
415 * ggc-page.c (init_ggc): Add missing element to size_lookup
419 2006-06-23 Richard Guenther <rguenther@suse.de>
421 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
422 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
423 alignment requests instead. Add verification code.
424 Add struct tree_function_decl and struct tree_binfo size to
425 extra_order_size_table. Add missing element to size_lookup
428 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
431 * fold-const.c (const_binop): Be prepared for self returning zero.
432 Simplify code handling complex values.
434 2006-06-24 Olivier Hainque <hainque@adacore.com>
436 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
437 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
440 2006-06-24 Olivier Hainque <hainque@adacore.com>
442 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
443 ARRAY_REF, so have the callback called for the low bound expression.
445 2006-06-23 Janis Johnson <janis187@us.ibm.com>
447 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
448 * c-typeck.c (c_common_type): Disallow operations on decimal float
449 types and other float types.
450 * convert.c (convert_to_real): Don't ignore conversions involving
453 2006-06-23 Olivier Hainque <hainque@adacore.com>
455 * tree.c (max_int_size_in_bytes): New function, inspired from
456 code in function.c:assign_temp.
457 * tree.h (max_int_size_in_bytes): Declare.
458 * function.c (assign_temp): Use it.
459 * gimplify.c (create_tmp_var): Relax the assertions on the type
460 properties, not mandating constant size any more.
461 (force_constant_size): New static function.
462 (gimple_add_tmp_var): Use it, forcing variable size to a
463 constant upper bound if it is not constant on entry.
465 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
468 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
469 for initialization and setting of one_only flag to ...
470 (i386_pe_encode_section_info): ...here.
471 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
472 Recheck that the symbol has not been defined.
474 2006-06-23 Richard Guenther <rguenther@suse.de>
476 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
477 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
478 alignment requests instead. Add verification code.
479 Add struct tree_function_decl and struct tree_binfo size to
480 extra_order_size_table. Add missing element to size_lookup
483 2006-06-22 Roger Sayle <roger@eyesopen.com>
484 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
487 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
488 call to lang_hooks.types.type_for_mode returned NULL_TREE.
490 2006-06-23 Ben Elliston <bje@au.ibm.com>
492 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
493 negate dn -- manipulate it directly.
495 2006-06-22 Roger Sayle <roger@eyesopen.com>
496 Steven Bosscher <stevenb.gcc@gmail.com>
499 * reload1.c (gen_reload): Call mark_jump_label on the new insns
500 generated by gen_move_insn to add REG_LABEL notes if necessary.
502 2006-06-22 Bob Wilson <bob.wilson@acm.org>
504 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
505 (leaf_entry): Remove use of MIN_ESA.
507 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
509 PR rtl-optimization/28121
510 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
513 2006-06-21 DJ Delorie <dj@redhat.com>
515 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
517 (mulhisi3_r): Likewise.
519 2006-06-21 Richard Sandiford <richard@codesourcery.com>
522 * coverage.c (coverage_counter_alloc): Leave the index type
524 (coverage_counter_alloc): Use null arguments for operands 2 and 3
527 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
529 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
530 section from the "Options for Code Generation Conventions".
532 2006-06-21 Richard Henderson <rth@redhat.com>
536 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
538 (global_symbolic_operand): Allow weak symbols, even if local_p.
540 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
542 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
543 (find_interesting_uses_address): Punt if above function returns true.
545 2006-06-21 Richard Guenther <rguenther@suse.de>
547 * configure: Regenerated.
549 2006-06-21 Joseph Myers <joseph@codesourcery.com>
551 * config/mips/mips.c (function_arg): Where one part of a
552 complex argument is in registers and the other part in the stack,
553 return a REG not a PARALLEL.
555 2006-06-21 Mark Mitchell <mark@codesourcery.com>
557 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
558 when cross-compiling. Do not substitute libstdcxx_incdir.
559 * configure: Regenerated.
561 2006-06-21 Jakub Jelinek <jakub@redhat.com>
563 * varasm.c (mergeable_string_section): Check for embedded NULs and
564 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
565 rather than TREE_STRING_LENGTH bytes.
567 2006-06-21 Richard Guenther <rguenther@suse.de>
569 * ggc-page.c (extra_order_size_table): Add var_ann_d,
570 tree_ssa_name, bitmap_element and phi_node with 4 arguments
573 2006-06-21 Richrad Guenther <rguenther@suse.de>
575 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
576 Limit iteration over the dominators.
578 2006-06-20 Roger Sayle <roger@eyesopen.com>
580 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
581 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
583 2006-06-20 Richard Guenther <rguenther@suse.de>
584 Michael Matz <matz@suse.de>
586 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
588 * alloc-pool.c (free_alloc_pool_if_empty): New function.
589 * et-forest.h (et_free_pools): Prototype new function.
590 * et-forest.c (et_free_tree_force): Free parent occurrence.
591 (et_free_pools): New function.
592 * dominance.c (free_dominance_info): Free et-forest alloc
595 2006-06-20 Roger Sayle <roger@eyesopen.com>
597 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
598 integer modes, attempt to directly construct an integer constant.
600 * fold-const.c (native_encode_vector): Determine the size of each
601 element from the vector type instead of the first vector element.
603 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
604 if all of its elements/components are constant.
605 (build_constructor_from_list): Likewise.
607 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
609 PR tree-optimization/27331
610 * tree-data-ref.c (free_data_ref): New function.
611 (create_data_ref): Fail if the data reference has unknown access
613 (free_data_refs): Use free_data_ref.
615 2006-06-19 Andrew Pinski <pinskia@gmail.com>
618 * tree-inline.c (setup_one_parameter): Strip useless
619 type conversion before adding it to the IR.
620 (declare_return_variable): Likewise.
622 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
625 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
627 2006-06-19 Mike Stump <mrs@apple.com>
629 * tree.c (variably_modified_type_p): VM arguments don't make the
632 2006-06-19 Richard Guenther <rguenther@suse.de>
634 * tree-ssa-pre.c (try_combine_conversion): Strip useless
635 type conversions after folding.
637 2006-06-19 Richard Guenther <rguenther@suse.de>
639 * ggc-page.c (extra_order_size_tab): Add entries with
640 size of struct function and basic_block.
641 (size_lookup): Extend to cover sizes up to 511.
642 (ggc_alloc_stat): Adjust user.
643 (ggc_pch_count_object): Likewise.
644 (ggc_pch_alloc_object): Likewise.
645 (ggc_pch_write_object): Likewise.
647 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
649 * tree-ssa-loop-niter.c (implies_ge_p): New function.
650 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
653 2006-06-19 Denis Chertykov <denisc@overta.ru>
655 * config/avr/libgcc.S : Correct my wrong previous commit.
657 2006-06-19 Roger Sayle <roger@eyesopen.com>
660 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
661 have stripped a SUBREG from the shift count, so we may need to
662 convert_to_mode back to the type's mode before calling make_tree.
663 Use new_amount instead of amount to avoid expanding a tree twice.
665 2006-06-19 Richard Guenther <rguenther@suse.de>
668 * fold-const.c (operand_equal_p): Check if the argument types
669 have the same precision before stripping NOPs.
671 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
673 Fix PR tree-optimization/27341
674 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
676 * tree-complex.c (pass_lower_complex): Update SMT usage.
678 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
680 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
681 Add a new alternative to the constraint strings. Add move of
682 operand 1 to 3 to the splitter definition.
683 ("doloop_si_long"): Second contraint alternative removed.
685 2006-06-08 Anatoly Sokolov <aesok@post.ru>
687 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
688 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
690 (AVR_HAVE_MOVW) Define.
691 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
692 (ASM_SPEC): Add avr25.
693 (LINK_SPEC): Add avr25.
694 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
695 (base_arch_s): Add new member 'have_movw_lpmx'.
696 (avr_arch_types): Init 'have_movw_lpmx'.
697 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
698 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
699 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
700 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
701 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
703 (avr_file_start): Do not output '.arh' derective.
704 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
705 (__do_copy_data): Use __AVR_HAVE_LPMX__.
706 * config/avr/avr.md (mcu_enhanced): Delete.
707 (mcu_have_movw): Define.
708 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
709 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
710 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
711 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
712 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
713 attiny861 and at86rf401 devices.
715 2006-06-18 Jie Zhang <jie.zhang@analog.com>
717 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
720 2006-06-17 Karl Berry <karl@gnu.org>
722 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
723 doc/gccint.texi, doc/install.texi (@dircategory): Use
724 "Software development" instead of "Programming", following
725 the Free Software Directory.
727 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
729 * config/i386/i386.c (legitimate_tls_address)
730 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
731 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
732 (*tls_dynamic_gnu2_combine_64): Likewise.
734 2006-06-16 Richard Guenther <rguenther@suse.de>
737 * fold-const.c (negate_expr_p): Do not introduce undefined
738 overflow in negating INTEGER_CSTs.
739 (fold_negate_expr): Rename from negate_expr. Revert last
740 change for folding BIT_NOT_EXPR. Change semantics to
741 return NULL_TREE for non-simplified negations. Do not
742 strip type conversions and unify type handling.
743 (negate_expr): New function, wrap around fold_negate_expr
744 but ensure building a tree always. Strip type conversions
745 here, fold to result type.
746 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
748 2006-06-16 Roger Sayle <roger@eyesopen.com>
751 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
752 that (would) return their results in stack registers.
754 2006-06-16 Michael Matz <matz@suse.de>
755 Richard Guenther <rguenther@suse.de>
757 * fold-const.c (fold_truthop): Only return new tree node if
758 we canonicalized something.
760 2006-06-16 Richard Guenther <rguenther@suse.de>
762 * function.h (enum function_frequency): Move declaration
763 out of struct function.
764 (struct function): Move bool fields and the enum to the bitfield
765 section. Reorder elements to avoid padding. Remove unused
766 fields left over from the RTL inliner removal.
767 * function.c (free_after_compilation): Do not zero removed fields.
768 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
769 (ipa-type-escape.o): Likewise.
771 2006-06-16 Richard Guenther <rguenther@suse.de>
773 * cgraph.h (struct cgraph_local_info): Turn bool elements
775 (struct cgraph_node): Likewise.
776 (struct cgraph_varpool_node): Likewise.
778 2006-06-15 Richard Guenther <rguenther@suse.de>
780 * fold-const.c (fold_truth_not_expr): Rename from
781 invert_truthvalue. Give it fold_* semantics to avoid
783 (invert_truthvalue): New function. Wrapper around
785 (optimize_minmax_comparison): Avoid creating garbage.
786 (fold_unary): Use fold_truth_not_expr for folding
788 (fold_ternary): Replace uses of invert_truthvalue with
789 fold_truth_not_expr where applicable.
790 * tree.h (fold_truth_not_expr): Prototype.
792 2006-06-16 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/27781
795 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
796 * ipa-pure-const.c (target.h): Include.
797 (analyze_function): Do not analyze functions that do not
800 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
803 * tree-dfa.c (referenced_vars_dup_list): Remove.
804 (find_referenced_vars): Remove assert.
805 (referenced_var_check_and_insert): Replace dup list with assert.
806 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
807 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
809 2006-06-15 Richard Guenther <rguenther@suse.de>
811 * tree-ssa-structalias.c (alias_get_name): Avoid creating
812 extra unused identifiers if not dumping.
813 (create_variable_info_for): Likewise.
815 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
817 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
818 (derive_constant_upper_bound): Derive more precise upper bound in
819 common cases. Return type changed to double_int.
820 (record_estimate): Reflect the changed return type of
821 derive_constant_upper_bound.
822 * double-int.c (double_int_zext, double_int_sext): Fix.
824 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
826 * configure.ac (CFLAGS): Get them from the toplevel or from the
827 configure invocation.
828 * configure: Regenerate.
829 * Makefile.in (CFLAGS): Substitute value provided by configure.
831 2006-06-14 Mark Mitchell <mark@codesourcery.com>
834 * c-common.h (c_finish_omp_atomic): Adjust declaration.
835 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
836 rather than calling add_stmt on it.
837 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
839 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
842 * reload1.c (reload): Remove registers returned by update_eliminables
843 from used_spill_regs.
845 2006-06-13 DJ Delorie <dj@redhat.com>
847 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
849 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
851 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
852 html__strip_dir, html__mkdir_p. Enhance install-html target.
853 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
854 * configure: Regenerate.
856 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
858 * fold-const.c (fold_cond_expr_with_comparison): Check for
859 Objective-C++ as language in deciding COND_EXPR transformation.
861 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
864 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
865 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
866 * config/sh/lib1funcs.h (SL, SL1): Define.
867 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
868 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
869 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
870 (OBJS_Os_4_200): New variable.
871 ($(T)libgcc-Os-4-200.a): Use it.
872 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
873 when dividing 1 and/or by 0.
875 2006-06-13 Roger Sayle <roger@eyesopen.com>
877 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
878 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
879 * configure: Regenerate.
881 2006-06-13 Jie Zhang <jie.zhang@analog.com>
883 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
884 for real instruction.
886 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
889 * haifa-sched.c (check_cfg): Handle special case.
891 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
894 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
895 Add debug_info parameter. Chain the vars to the BLOCK instead
896 of the BIND_EXPR if debug info are requested for them.
897 (pop_gimplify_context): Adjust for above change.
898 (gimple_add_tmp_var): Likewise.
899 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
901 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
902 (convert_local_reference): Likewise.
903 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
904 (finalize_nesting_tree_1): Request that debug info be emitted
907 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
909 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
912 2006-06-13 Richard Guenther <rguenther@suse.de>
915 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
917 2006-06-13 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/27830
920 * tree-inline.c (copy_body_r): For copying the operand
921 of an ADDR_EXPR make sure to fold &* afterwards.
923 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
925 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
926 lvalues in the fb_none case with side-effects.
928 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
930 * tree-flow.h: Remove the prototype for
931 compute_phi_arg_on_exit.
932 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
933 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
936 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
938 * builtins.c (expand_builtin_return_addr): Only use
939 frame_pointer_rtx when count == 0 and we are expanding
940 __builtin_return_address.
942 2006-06-12 Fred Fish <fnf@specifix.com>
944 * config/mips/mips.c (mips_file_start): Create special section
945 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
947 2006-06-11 Eric Christopher <echristo@apple.com>
950 * stor-layout.c (place_field): Remove check for
951 remaining_in_alignment when aligning at the end of a run.
953 2006-06-11 Eric Christopher <echristo@apple.com>
956 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
959 2006-06-11 Roger Sayle <roger@eyesopen.com>
962 Revert incorrect fix for PR target/27158
963 2006-05-08 Roger Sayle <roger@eyesopen.com>
964 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
965 of a reg_equiv_constant if the result is a legitimate constant.
967 2006-06-11 Roger Sayle <roger@eyesopen.com>
970 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
971 extract a CONST_VECTOR element and interpret it as an integer.
972 (vspltis_constant): Use const_vector_elt_as_int instead of the
973 macro CONST_VECTOR_ELT in order to handle FP vector modes.
974 * config/rs6000/predicates.md (easy_vector_const): Consider
975 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
977 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
980 * stor-layout.c (update_alignment_for_field): Don't add extra
981 alignment for packed non-bitfield fields in ms_bitfield_layout_p
984 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
986 * config/mips/t-rtems: Add EL/EB multilib variants.
988 2006-06-09 Mike Stump <mrs@apple.com>
990 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
992 2006-06-09 David Daney <ddaney@avtrex.com>
994 * doc/install.texi: Add binutils version recommendation for mips-*-*.
996 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
998 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1000 2006-06-09 Richard Guenther <rguenther@suse.de>
1002 PR tree-optimization/26998
1003 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1004 of signed types, only TYPE_MIN_VALUE is special, but for both,
1005 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1006 in this case, as is -fwrapv.
1008 2006-06-08 Mike Stump <mrs@apple.com>
1011 * config/darwin.c (darwin_asm_output_anchor): Disable
1012 -fsection-anchors on darwin for now.
1013 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1014 * rs6000/rs6000.c (optimization_options): Likewise.
1016 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1019 * config/i386/i386.c (classify_argument): Skip fields with invalid
1022 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1024 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1025 (cse_insn): Likewise for the stack_pointer_rtx.
1027 2006-06-08 Roger Sayle <roger@eyesopen.com>
1029 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1030 conditions from floating point comparisons.
1032 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1035 * expmed.c (struct alg_hash_entry): Fix type of field T
1036 to match synth_mult argument.
1037 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1039 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1042 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1045 2006-06-08 Richard Guenther <rguenther@suse.de>
1048 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1049 only, if overflow is defined and not trapping.
1050 (negate_expr): Likewise.
1052 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1054 PR tree-optimization/27872
1055 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1056 flag on the new exit edge of the unrolled loop.
1058 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1060 PR rtl-optimization/26449
1061 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1063 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1066 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1067 referenced_variables with matching DECL_UID's.
1068 (find_referenced_vars): Make sure duplicate list is empty to start.
1069 (referenced_var_p): Remove.
1070 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1071 Check if var is in the list, and add if needed. Update the duplicate
1072 list if a different var is in the list with the same DECL_UID.
1073 (add_referenced_var): Call routine to check and insert.
1074 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1075 * tree-flow.h (referenced_vars_dup_list): External declaration.
1077 2006-06-07 Fred Fish <fnf@specifix.com>
1079 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1082 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1085 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1086 the imaginary and real parts of a clobbered register.
1087 Emit insn to set the imaginary part.
1089 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1091 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1092 in lieu of unwind-dw2-fde.c.
1094 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1096 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1098 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1101 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1102 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1103 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1104 V4SImode temporaries and operations instead.
1106 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1108 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1111 2006-06-06 Mike Stump <mrs@apple.com>
1113 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1114 installing during build.
1116 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1118 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1120 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1121 * config/ia64/ia64.c (params.h): New header.
1122 (ia64_optimization_options): New function to adjust parameters.
1123 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1124 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1125 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1127 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1129 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1131 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1134 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1136 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1137 Victor Kaplansky <victork@il.ibm.com>
1139 PR tree-optimization/26360
1140 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1143 2006-06-04 Roger Sayle <roger@eyesopen.com>
1144 Andrew Pinski <pinskia@physics.uc.edu>
1147 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1148 for LABEL_DECL before calling DECL_WEAK.
1151 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1152 LABEL_DECL and PARM_DECL.
1154 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1158 * c-decl.c (grokdeclarator): Disallow variably modified types at
1159 file scope. Avoid marking shared array type of constant size as
1162 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1165 * c-common.c (fold_offsetof_1): Handle static members.
1167 2006-06-04 Eric Christopher <echristo@apple.com>
1169 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1170 (debug_rli): Output value for remaining_in_alignment.
1171 (update_alignment_for_field): Unconditionalize
1172 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1173 extra alignment code.
1174 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1175 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1176 * tree.h (record_layout_info_s): Remove prev_packed.
1177 * doc/extend.texi (ms_struct): Add documentation of format.
1179 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1181 * tree.h: Declare folding_initializer.
1182 * builtins.c (fold_builtin_constant_p): Give definite answer
1183 if folding inside an initializer.
1184 * fold-const.c: Define folding_initializer.
1185 (START_FOLD_INIT): Save and then set folding_initializer.
1186 (END_FOLD_INIT): Restore folding_initializer.
1188 2006-06-04 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/27039
1191 * fold-const.c (fold_comparison): Handle pointer comparison
1192 again for all comparison codes. Compare offsets in signed
1194 (fold_binary): Move code from here.
1196 2006-06-03 Roger Sayle <roger@eyesopen.com>
1199 * config/i386/i386.c (construct_container): Split static issued_error
1200 flag into issued_sse_arg_error, issued_sse_ret_error and
1201 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1202 requires the use of x87 registers and the user explicitly
1203 specified the -mno-80387 command line option.
1205 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1207 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1208 HAVE_DECL_SIGALTSTACK.
1210 (segv_handler): Use MC_FLD.
1211 * configure.ac: Check for a sigaltstack declaration.
1212 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1213 * configure: Regenerate.
1214 * config.in: Regenerate.
1216 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1219 * Makefile.in (stmp-fixinc): Fix typo.
1221 2006-06-02 Roger Sayle <roger@eyesopen.com>
1223 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1224 are type correct. Clean-up.
1225 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1226 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1228 2006-06-01 DJ Delorie <dj@redhat.com>
1230 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1231 shift, as we've disabled the "switch" insn that needs it.
1233 2006-06-01 Per Bothner <bothner@bothner.com>
1235 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1236 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1237 * c-ppoutput.c (cb_define): Don't increment line 0.
1239 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1241 * doc/invoke.texi: Add cpu_type power6.
1242 * config.gcc: Add cpu_type power6.
1243 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1244 to power5+ with Altivec.
1245 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1246 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1248 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1250 * config/avr/avr.h (SET_ASM_OP): Define.
1252 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1254 * config/bfin/bfin.c: Fix comment typos.
1256 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1259 * doc/install.texi: Document --enable-bootstrap and
1260 --disable-bootstrap.
1262 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1264 * doc/install.texi: Document that InfoZIP can replace jar.
1266 2006-05-31 Roger Sayle <roger@eyesopen.com>
1268 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1269 isn't available, directly generate the simpler x87 patterns without
1270 the (use (const_int 0)).
1271 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1272 implementation isn't available.
1273 (*negdf2_1): Likewise.
1274 (*negxf2_1): XF mode negation is always done using the x87.
1275 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1277 2006-05-31 Roger Sayle <roger@eyesopen.com>
1279 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1280 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1282 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1284 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1286 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1287 * config/bfin/bfin.c (basic-block.h): Include.
1288 (struct machine_function): New.
1289 (bfin_init_machine_status): New.
1290 (override_options): Initialize init_machine_status.
1291 (bfin_hardware_loop): New.
1292 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1293 (DEF_VEC_P (loop_info)): New.
1294 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1295 (struct loop_info): New.
1296 (loop_info): New typedef.
1297 (struct loop_work): New.
1298 (loop_work): New typedef.
1299 (DEF_VEC_O (loop_work)): New.
1300 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1301 (bfin_dump_loops): New.
1302 (bfin_bb_in_loop): New.
1303 (bfin_scan_loop): New.
1304 (bfin_optimize_loop): New.
1305 (bfin_reorg_loops): New.
1306 (bfin_reorg): Use bfin_reorg_loops.
1307 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1309 (I_REGNO_P): Simplify.
1310 (DP_REGNO_P, DPREG_P): New macros.
1311 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1312 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1313 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1314 Add LT_REGS, LC_REGS, LB_REGS.
1315 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1317 (REGNO_REG_CLASS): Deal with loop registers.
1318 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1320 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1321 New constants for loop registers.
1322 (UNSPEC_LSETUP_END): New.
1323 (seq_insns): New define_attr. Set it for appropriate insns.
1324 (movsi_insn): Add alternatives for move from/to
1325 loop count registers.
1326 (doloop_end): New define_expand.
1327 (loop_end): New define_insn.
1328 (define_split for bad doloop_end): New.
1329 (lsetup_with_autoinit): New define_insn.
1330 (lsetup_without_autoinit): New define_insn.
1331 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1332 * config/bfin/predicates.md (lc_register_operand): New.
1333 (lt_register_operand): New.
1334 (lb_register_operand): New.
1335 (nondp_register_operand): New.
1336 (nondp_reg_or_memory_operand): New.
1337 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1339 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1341 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1342 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1344 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1346 * Makefile.in (CATALOGS): Add po/ prefix.
1347 * configure: Regenerated.
1349 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1352 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1353 a shift operand before calling shift_op. Avoid redundant call of
1356 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1357 DJ Delorie <dj@redhat.com>
1359 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1360 we're inserting is a singlt-bit constant.
1362 2006-05-30 Roger Sayle <roger@eyesopen.com>
1364 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1365 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1367 2006-05-30 Roger Sayle <roger@eyesopen.com>
1369 PR tree-optimization/23452
1370 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1371 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1372 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1373 complex values and with -ffast-math for FP complex values.
1375 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1377 * c-common.h: Remove the prototype for yyparse.
1378 * rtl.h: Remove the prototype for init_loop.
1380 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1382 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1385 2006-05-30 Roger Sayle <roger@eyesopen.com>
1387 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1389 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1390 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1392 2006-05-30 Dirk Mueller <dmueller@suse.de>
1395 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1396 for CONSTANT_CLASS_P expresisons.
1398 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1401 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1403 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1405 PR tree-optimization/27779
1406 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1407 initial_condition instead of CHREC_LEFT.
1409 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1411 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1412 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1413 Make prototypes ISO C90.
1415 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1416 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1418 * see.c (see_analyze_one_def): Correct check.
1419 (see_get_extension_data): Check if extension is parallel.
1420 (see_get_extension_reg): Likewise.
1422 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1425 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1426 into register for (code == GTU).
1428 2006-05-29 Roger Sayle <roger@eyesopen.com>
1430 PR tree-optimization/24964
1431 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1432 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1433 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1434 abs(x)*abs(x) as x*x for scalar floating point modes.
1436 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1439 * lambda-code.c (perfect_nestify): Don't copy statements
1440 in the inner loop: move them to the inner loop header.
1442 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1445 * c-tree.texi: Document OpenMP directives and clauses.
1447 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1449 * varasm.c (globalize_decl): Fix indentation.
1451 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1454 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1455 pass_fre, pass_store_ccp, pass_copy_prop,
1456 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1457 pass_return_slot, pass_object_size, pass_lim,
1458 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1459 pass_loop_prefetch and pass_stdarg.
1461 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1463 * config/bfin/bfin.opt (mfdpic): New option.
1464 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1465 (EXTRA_MULTILIB_PARTS): Likewise.
1466 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1467 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1469 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1470 (CRT_CALL_STATIC_FUNCTION): New.
1471 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1473 (CRT_CALL_STATIC_FUNCTION): New.
1474 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1476 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1477 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1478 (initialize_trampoline): Changed to handle FD-PIC code generation.
1479 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1480 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1481 (override_options): Disallow -mid-shared-library -mfdpic combination.
1482 Can't do unaligned ops if FD-PIC.
1483 Turn off flag_pic if trying to generate non-id-shared-library
1484 non-fdpic code, since it's not supported.
1485 (bfin_assemble_integer): New function.
1486 (TARGET_ASM_INTEGER): Define.
1487 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1489 * config/bfin/crtn.s: Restore them.
1490 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1492 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1493 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1494 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1495 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1496 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1498 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1499 FDPIC_REGS and FDPIC_FPTR_REGS.
1500 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1501 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1502 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1503 (load_funcdescsi): New pattern.
1504 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1505 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1506 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1508 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1510 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1513 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1515 * tree-flow.h: Remove the prototype for add_type_alias.
1516 * tree-ssa-alias.c (add_type_alias): Remove.
1518 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1520 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1521 config/fr30/fr30.md, config/i386/i386-interix.h,
1522 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1523 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1524 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1525 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1526 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1527 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1528 Follow spelling conventions.
1529 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1530 Follow spelling conventions.
1532 2006-05-27 Richard Guenther <rguenther@suse.de>
1535 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1536 to produce a constant of value 1 of generic type.
1538 2006-05-27 Dirk Mueller <dmueller@suse.de>
1540 * cgraphunit.c (decide_is_function_needed): Fix wrong
1543 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1545 PR rtl-optimization/27661
1546 * reload.c (find_reloads): When reloading a VOIDmode constant
1547 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1548 use Pmode as mode of the reload register.
1550 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1552 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1553 is enabled at -O and above.
1555 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1558 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1561 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1564 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1565 for anonymous variables explicitly declared by front ends.
1567 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1569 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1570 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1571 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1572 ref-all pointers, run a finalization pass for them.
1573 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1574 (finalize_ref_all_pointers): New function.
1575 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1576 regular pointer type to a ref-all pointer type.
1577 (get_tmt_for): Return the special memory tag for ref-all pointers.
1579 2006-05-25 Richard Guenther <rguenther@suse.de>
1582 * fold-const.c (fold_binary): Do not look at the stripped
1583 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1585 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1587 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1588 for LT and GT if the computed range is effectively empty.
1590 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1593 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1594 mips_quad_format formats instead of ieee_single_format,
1595 ieee_double_format and ieee_quad_format formats, respectively.
1597 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1599 PR tree-optimization/27639
1600 PR tree-optimization/26719
1601 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1602 call to scev_probably_wraps_p.
1603 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1604 used_in_pointer_arithmetic_p, convert_step): Removed.
1605 (nowrap_type_p): New function.
1606 (scev_probably_wraps_p): Rewritten.
1607 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1608 chrec_convert if chrec_convert_aggressive might have been used.
1609 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1610 scev_direction): New functions.
1611 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1612 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1613 instead of convert_step.
1614 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1615 (convert_step): Declaration removed.
1616 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1618 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1620 * df-core.c: Added to header comments.
1621 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1622 df_ur_bb_info, df_urec_bb_info): Added comments.
1623 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1624 urec, ri problems): Fixed header comments.
1625 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1626 code from df_rd_transfer_function.
1628 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1630 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1631 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1632 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1634 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1636 * expr.c (undefined_operand_subword_p): New.
1637 (emit_move_multi_word): Do not generate move from undefined bits
1638 of a paradoxical subreg.
1640 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1642 PR rtl-optimization/27736
1643 * combine.c (replaced_rhs_value): New variable.
1644 (combine_instructions): Set it.
1645 (distribute_notes): When distributing a note in replaced_rhs_insn,
1646 check whether the value was used in replaced_rhs_value.
1648 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1651 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1652 add_referenced_var instead of add_referenced_tmp_var.
1653 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1654 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1656 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1657 tree_optimize_tail_calls_1): Use add_referenced_var.
1658 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1659 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1660 Use add_referenced_var.
1661 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1662 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1663 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1664 Use add_referenced_var.
1665 * tree-dfa.c (struct walk_state): Remove.
1666 (find_referenced_vars): Remove walk state and vars_found hash table.
1667 (make_rename_temp): Use add_referenced_var.
1668 (find_vars_r): Pass less parameters to add_referenced_var.
1669 (referenced_var_p): New. Is var in referenced_var hash table.
1670 (referenced_var_insert): Assert var isn't already in hash table.
1671 (add_referenced_var): Don't need walk_state parameter. Add var if it
1672 isn't already in the hash table.
1673 (add_referenced_tmp_var): Remove.
1674 (find_new_referenced_vars_1): Use add_referenced_var.
1675 * tree-ssa-pre.c (create_expression_by_pieces,
1676 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1677 Use add_referenced_var.
1678 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1679 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1680 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1682 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1683 vect_create_data_ref_ptr, vect_create_destination_var,
1684 vect_init_vector, vect_build_loop_niters,
1685 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1686 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1687 Use add_referenced_var.
1688 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1689 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1690 (add_referenced_var): Add prototype.
1691 * tree-ssa-structalias.c (get_constraint_for,
1692 intra_create_variable_infos): Use add_referenced_var.
1694 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1696 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1697 big-endian paradoxical subregs.
1698 * var-tracking.c (struct micro_operation_def): Document that,
1699 for modify micro operations, insn is the subsequent instruction.
1700 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1701 (var_reg_set, var_mem_set): ... new functions.
1702 (add_stores): Record subsequent insn.
1703 (compute_bb_dataflow): Use new functions for MO_USE.
1704 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1705 notes after the insn, and modify notes before the insn known
1706 to be the subsequent one.
1707 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1709 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1712 * config/i386/i386.c (ix86_expand_builtin): Use
1713 gen_sse3_monitor64 for TARGET_64BIT.
1715 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1717 PR rtl-optimization/26375
1718 PR rtl-optimization/26855
1719 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1721 (df_ru_bb_local_compute): Reversed statements and removed bogus
1722 comment explaining why they should be in wrong order.
1723 (df_ru_dump, df_rd_dump): Enhanced debug info.
1724 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1726 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1727 reaching uses and fixed space problem.
1729 2006-05-23 Jan Hubicka <jh@suse.cz>
1731 * cgraphunit.c (decide_is_function_needed): Also nested functions
1732 and functions declared inline can be optimized out at -O0.
1734 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1736 * doc/install.texi (Configuration): Remove reference to CrossGCC
1740 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1743 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1744 ix86_compare_emitted is non-NULL.
1746 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1749 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1752 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1754 PR rtl-optimization/25514
1755 * combine.c (replaced_rhs_insn): New variable.
1756 (combine_instructions): Set replaced_rhs_insn when trying to replace
1757 a SET_SRC with a REG_EQUAL note.
1758 (distribute_notes): Use replaced_rhs_insn when determining the live
1759 range of a REG_DEAD register.
1761 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1762 Anatoly Sokolov <aesok@post.ru>
1764 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1765 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1766 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1767 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1768 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1769 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1770 at90usb647, at90usb1286 and at90usb1287 devices.
1771 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1772 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1774 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1776 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1778 2006-05-22 Richard Guenther <rguenther@suse.de>
1781 2006-01-31 Richard Guenther <rguenther@suse.de>
1782 Paolo Bonzini <bonzini@gnu.org>
1784 * doc/install.texi (--disable-libgcc-math): Document.
1786 2006-05-22 Richard Guenther <rguenther@suse.de>
1789 2006-01-31 Richard Guenther <rguenther@suse.de>
1791 * doc/invoke.texi (-msselibm): Document.
1792 * target.h (expand_library_builtin): New target hook.
1793 * builtins.c (expand_builtin): Use expand_library_builtin.
1794 (default_expand_library_builtin): New function.
1795 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1796 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1797 (link_gcc_math_spec): Declare.
1798 (static_specs): Add link_gcc_math_spec.
1799 * expr.h (default_expand_library_builtin): Declare.
1800 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1801 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1802 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1803 * config/i386/i386.opt (msselibm): New target option.
1804 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1805 (ix86_init_sse_abi_builtins): New function.
1806 (ix86_expand_library_builtin): Likewise.
1807 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1808 (override_options): Handle error conditions wrt -msselibm.
1809 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1810 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1811 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1814 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1817 * c-common.c (self_promoting_args_p): Skip erroneous args.
1820 * c-decl.c (finish_struct): Skip erroneous fields.
1822 2006-05-22 Nick Clifton <nickc@redhat.com>
1824 * config/cris/cris.opt (march): Remove VarExists attribute.
1825 (max-stackframe=): Likewise.
1827 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1829 * doc/rtl.texi: Fix a typo.
1830 * see.c: Fix comment typos.
1832 * tree-ssa-structalias.h (alias_info): Remove num_references.
1834 2006-05-21 Mike Stump <mrs@apple.com>
1836 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1838 (darwin_pragma_options): Use BAD instead.
1839 (darwin_pragma_unused): Likewise.
1840 (darwin_pragma_ms_struct): Likewise.
1842 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1844 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1846 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1848 PR rtl-optimization/27671
1849 * simplify-rtx.c (simplify_relational_operation_1): Fix
1850 simplifications of (eq/ne (xor x y) y) and
1851 (eq/ne (xor x y) x).
1853 PR tree-optimization/26622.
1854 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1857 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1859 * tree-cfg.c: Prune whitespace.
1860 (debug_tree_cfg): Point to correct header containing the
1863 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1866 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1868 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1871 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1872 or sorry count is non zero.
1874 2006-05-20 Andreas Schwab <schwab@suse.de>
1876 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1878 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1879 Kenneth Zadeck <zadeck@naturalbridge.com>
1881 PR rtl-optimization/26855
1883 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1885 (df_scan_alloc): Added code to properly handle multiword hard
1886 registers and add all_blocks parameter.
1887 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1888 code to properly handle multiword hard registers.
1889 (df_rescan_blocks): Added code to remove deleted blocks from
1891 (df_ref_create_structure, df_ref_record): Added code to properly
1893 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1894 and set DF_REF_PARTIAL.
1895 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1896 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1897 (df_scan_add_problem): Added flags parameter.
1898 (df_ref_create_structure): Changed switching structure.
1899 (df_bb_refs_record): Fixed case where duplicate artificial refs
1900 were created. Changed location of flags.
1901 (df_record_entry_block_defs): Added code to make stack pointer
1902 live in entry block. Refined cases where frame pointer is needed.
1903 Changed location of flags.
1904 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1905 (df_set_state): Removed function.
1906 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1907 df_insn_create_insn_record, df_insn_refs_delete,
1908 df_ref_create_structure): Formatting changes.
1909 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1910 df_delete_basic_block): New function.
1911 (df_init): Changed location of flags.
1912 (df_add_problem): Added flags parameter and the way flags are
1914 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1915 debug_df_chain): Improved debugging output.
1916 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1917 (df_refs_chain_dump): Removed df parameter.
1918 (df_iterative_dataflow): Added consistency check.
1919 (df_prune_to_subcfg): Made public.
1920 (df_analyze_problem): Added blocks_to_init parameter and made
1922 (df_ref_record, df_bb_refs_record, df_mark_reg,
1923 df_record_exit_block_uses): Whitespace changes.
1924 (df_dump): Whitespace changes.
1925 * df.h: Some reordering to remove forward references.
1926 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1927 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1928 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1929 (dataflow.flags): New field.
1930 (df.flag): Deleted field.
1931 (df_alloc_function): Added additional bitmap parameter.
1932 (df_dependent_problem_function): New type.
1933 (df_problem.changeable_flags): New field.
1934 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1935 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1936 (df_mw_hardreg): New struct.
1937 (DF_INSN_UID_MWS): New macro.
1938 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1940 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1941 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1942 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1943 (df_set_state): Removed function.
1944 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1945 * df-problems.c (df_chain_dump): Removed df parameter.
1946 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1947 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1949 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1950 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1951 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1952 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1953 DF_REF_MUST_CLOBBER cases.
1954 (df_ru_bb_local_compute_process_def,
1955 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1956 df_lr_bb_local_compute, df_ur_bb_local_compute,
1957 df_chain_create_bb): Made subreg aware.
1958 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1959 df_lr_bb_local_compute, df_lr_bb_local_compute,
1960 df_chain_create_bb): Cleanup to use proper macros.
1961 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1962 code to fixup bitvectors.
1963 (df_ri_alloc): Cleared lifetime.
1964 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1965 df_create_unused_note): New function.
1966 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1967 REG_DEAD and REG_UNUSED notes as well as register information.
1968 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1969 df_chains_dump): Fixed crash if problem was never run.
1970 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1971 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1972 df_ri_add_problem): Processes flags in uniform manner.
1973 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1974 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1975 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1976 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1977 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1978 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1979 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1980 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1981 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1982 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1983 * see.c (see_initialize_data): Ditto.
1984 * final.c (rest_of_clean_state) Added regstack_completed.
1985 * rtl.h (regstack_completed): Ditto.
1986 * reg-stack.c (regstack_completed): Ditto.
1988 2006-05-19 Mike Stump <mrs@apple.com>
1990 * c-tree.h (default_conversion): Remove.
1991 * c-common.h (default_conversion): Add.
1993 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1995 * tree-vrp.c (valid_value_p): New function.
1996 (adjust_range_with_scev): Fail if the value of bound is not
1999 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2001 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2002 (mips_fallback_frame_state): Use syscall numbers to determine
2003 the appropriate li instruction for the current ABI. Only use
2004 __NR_sigreturn for o32.
2006 2006-05-19 Nicolas Setton <setton@adacore.com>
2008 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2009 * langhooks.c (lhd_dwarf_name): New function.
2010 * langhooks-def.h (lhd_dwarf_name): Declare.
2011 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2012 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2013 * ada/misc.c (gnat_dwarf_name): New function.
2014 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2016 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2018 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2020 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2021 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2022 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2023 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2024 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2025 determine the size of Wtype, etc.
2026 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2027 (swfloatfuncs): New variable.
2028 (dwfloatfuncs): Likewise.
2029 (lib2funcs): Remove floating-point conversion functions from
2030 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2031 the set of conversion routines needed. Allow entries to specify
2032 an object name, filename and word size. Update users accordingly.
2033 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2034 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2038 2006-02-08 Roger Sayle <roger@eyesopen.com>
2041 * config/fixtfdi.c: New libgcc source file.
2042 * config/fixunstfdi.c: New source file.
2043 * config/floatditf.c: New source file.
2044 * config/floatunditf.c: New souce file.
2045 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2046 files above instead of config/mips/_tilib.c.
2047 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2049 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2051 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2052 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2054 2006-05-18 Mike Stump <mrs@apple.com>
2056 Fix up vla, vm and [*] sematics.
2062 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2063 (c_vla_unspec_p): Add.
2064 (c_vla_type_p): Add.
2065 * c-decl.c (struct c_scope): Add had_vla_unspec.
2066 (build_array_declarator): Add support for [*].
2067 (grokdeclarator): Likewise.
2068 (grokparms): Likewise.
2069 (get_parm_info): Likewise.
2070 * c-objc-common.c (c_vla_unspec_p): Likewise.
2071 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2072 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2073 typeof when argument is a variably modified type not inside sizeof or alignof.
2074 (c_parser_direct_declarator_inner): Propagate errors.
2075 (c_parser_sizeof_expression): Add support for [*].
2076 (c_parser_parms_declarator): Initialize had_vla_unspec.
2077 (c_parser_parms_list_declarator): Likewise.
2078 * c-typeck.c (c_vla_type_p): Add.
2079 (composite_type): Add support for vla compositing.
2080 (comptypes_internal): Add support for vla compatibility.
2081 (c_expr_sizeof_expr): Evaluate vla arguments.
2082 * tree.c (variably_modified_type_p): Update comment for [*].
2084 2006-05-18 Michael Matz <matz@suse.de>
2087 * config.host: Make assignments to host_xmake_file cumulative.
2088 * config.host (*-darwin*): Test $host, not $target.
2090 2006-05-12 Stuart Hastings <stuart@apple.com>
2092 * config/i386/i386.opt (-mstackrealign): New flag.
2093 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2094 (ix86_handle_cconv_attribute): Emit error when
2095 force_align_arg_pointer attribute collides with too many regparms.
2096 (ix86_function_regparm): Limit regparms when used with
2097 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2098 Support stack-realigning prologue in non-main functions. Emit
2099 warning for nested functions under -mstackrealign, emit error for
2100 nested functions with force_align_arg_pointer attribute.
2101 * doc/extend.texi (force_align_arg_pointer): Document it.
2102 * doc/invoke.texi (-mstackrealign): Document it.
2104 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2106 PR rtl-optimization/27477
2107 * combine.c (try_combine): Don't split a parallel consisting
2108 of two sets into two individual sets if both sets reference
2111 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2113 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2114 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2116 * doc/options.texi (VarExists): Updated.
2118 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2120 * unwind-dw2.c: Add declarations for uw_update_context and
2122 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2123 detected, advance frame state and context once to skip over stub.
2125 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2129 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2130 Call rewrite_into_loop_closed_ssa only when something changed.
2131 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2132 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2133 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2134 Test for perfect_nest_p here. Fix formating.
2135 (replace_uses_equiv_to_x_with_y): Fix formating.
2136 (stmt_uses_op): Removed.
2137 (can_convert_to_perfect_nest): Removed loopivs parameter.
2138 Complete the test by checking the scalar dependences.
2139 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2142 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2145 From Dan Kegel <dank@kegel.com>:
2146 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2148 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2150 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2151 if the element type is variably modified without recursing.
2153 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2156 * tree-loop-linear.c (try_interchange_loops): Test for
2157 no data dependences.
2159 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2161 PR tree-optimization/27548
2162 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2163 range of ssa names that appear on abnormal edges.
2164 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2165 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2167 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2170 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2172 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2175 * tree.h (OMP_PARALLEL_COMBINED): Define.
2176 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2177 (new_omp_context): Add is_combined_parallel argument.
2178 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2179 new_omp_context caller.
2180 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2181 Adjust gimplify_scan_omp_clauses callers.
2182 (omp_is_private): Issue errors if iteration variable is firstprivate
2183 or reduction in the current context.
2184 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2185 on combined parallel workshare constructs.
2187 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2189 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2190 (gcc-options.o): New rule.
2192 * optc-gen.awk: Protect variables for gcc-options.o with
2193 #ifdef GCC_DRIVER/#endif.
2195 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2197 Fix PR tree-optimization/27373
2198 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2199 (forward_propagate_addr_expr): Update call.
2201 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2203 * doc/options.texi: Move the Negative option.
2205 2006-05-16 Richard Guenther <rguenther@suse.de>
2207 PR tree-optimization/22303
2208 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2210 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2211 ccp_fold did not simplify the statement.
2213 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2216 * Makefile.in (GCC_OBJS): New.
2217 (OBJS-common): Add opts-common.o.
2218 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2219 (cpp$(exeext)): Likewise.
2220 (gcc.o): Also depend on opts.h.
2221 (opts-common.o): New.
2223 * common.opt (gcoff): Add Negative(gdwarf-2).
2224 (gdwarf-2): Add Negative(gstabs).
2225 (gstabs): Add Negative(gstabs+).
2226 (gstabs+): Add Negative(gvms).
2227 (gvms): Add Negative(gxcoff).
2228 (gxcoff): Add Negative(gxcoff+).
2229 (gxcoff+): Add Negative(gcoff).
2230 * config/i386/i386.opt (m32): Add Negative(m64).
2231 (m64): Add Negative(m32).
2233 * doc/options.texi: Document the Negative option.
2235 * gcc.c: Include "opts.h".
2236 (main): Call prune_options after expandargv.
2238 * optc-gen.awk: Generate common declarations for all flag
2239 variables in options.c. Output the neg_index field.
2241 * opts.c (find_opt): Moved to ...
2242 * opts-common.c: Here. New file.
2244 * opts.h (cl_option): Add a neg_index field.
2246 (prune_options): Likewise.
2248 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2251 * omp-low.c (expand_omp_parallel): Don't assert
2252 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2253 instead search for it.
2256 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2259 2006-05-16 Andreas Schwab <schwab@suse.de>
2261 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2264 2006-05-15 Roger Sayle <roger@eyesopen.com>
2267 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2268 integer constants other than zero are only legitimate on TARGET_64BIT.
2269 <CONST_VECTOR> Only zero vectors are legitimate.
2270 (ix86_cannot_force_const_mem): Integral and vector constants can
2271 always be put in the constant pool.
2273 2006-05-16 DJ Delorie <dj@redhat.com>
2275 * crtstuff.c (__dso_handle): Set section from
2276 TARGET_LBIGCC_SDATA_SECTION if defined.
2277 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2278 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2280 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2283 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2286 2006-05-16 Ben Elliston <bje@au.ibm.com>
2288 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2290 2006-05-15 Per Bothner <per@bothner.com>
2292 * tree.c: (last_annotated_node): Use source_locus typedef.
2293 This permits bootstrapping with --enable-mapped-location.
2295 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2297 PR tree-optimization/26830
2298 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2299 (info_for_ssa_name, current_info_for_ssa_name_age,
2300 blocks_to_update): New variables.
2301 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2302 (clear_ssa_name_info, initialize_flags_in_bb,
2303 mark_block_for_update): New functions.
2304 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2305 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2306 prepare_def_site_for): Use mark_block_for_update.
2307 (mark_def_interesting): Assert that the processed block is marked in
2308 blocks_to_update. Do not take blocks argument.
2309 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2311 (rewrite_update_init_block, rewrite_update_stmt): Only process
2312 blocks with statements to rewrite.
2313 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2314 (update_ssa): Initialize and free blocks_to_update. Do not
2315 clear flags on statements. Do not use blocks bitmap.
2316 * tree.h (SSA_NAME_AUX): Removed.
2317 (struct tree_ssa_name): Removed aux field.
2318 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2320 2006-05-15 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/27603
2323 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2324 Do computations in original type.
2326 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2328 * see.c: Code style changes such as redundant paranthesis,
2329 redundant intialization of local variables etc.
2330 (see_main): Declared now as static.
2331 * doc/invoke.texi: Update that -fsee is not enabled by
2334 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2336 * omp-low.c (check_omp_nesting_restrictions): New function.
2337 (scan_omp_1): Call it.
2340 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2341 construct, return *VAR.
2343 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2345 PR rtl-optimization/27406
2346 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2349 2006-05-14 Roger Sayle <roger@eyesopen.com>
2351 PR rtl-optimization/27538
2352 * combine.c (expand_compound_operation): Call gen_lowpart
2353 before calling simplify_shift_const.
2355 2006-05-14 Roger Sayle <roger@eyesopen.com>
2357 PR rtl-optimization/22563
2358 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2359 a fixed width bitfield, always force the intermediates into psuedos.
2361 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2364 * mkconfig.sh: Use operator = instead of == for test.
2366 2006-05-13 Nick Clifton <nickc@redhat.com>
2368 * dwarf2out.c (dbx_reg_number): Check return value from
2369 LEAF_REG_REMAP and only use it if it is valid.
2370 (multiple_reg_loc_descriptor): Likewise.
2372 2006-05-13 Richard Guenther <rguenther@suse.de>
2374 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2377 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2379 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2380 information attached to non-INSNs such as NOTEs.
2381 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2383 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2385 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2387 * config/s390/s390.md: Adjust comment describing On constraint.
2389 2006-05-11 Jan Hubicka <jh@suse.cz>
2391 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2392 to be output at -O0.
2394 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2397 * fold-const.c (size_binop): Move sanity check for arguments to
2398 the beginning of the function.
2401 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2404 2006-05-11 Richard Guenther <rguenther@suse.de>
2407 * fold-const.c (fold_unary): Handle intermediate conversion
2408 to a pointer type like intermediate conversion to an integer
2409 type in folding of (T1)(T2)var to var.
2410 Match the code to the comment in the final conversion for
2411 (T1)(T2)var to (T1)var regarding to type precision. Rather
2412 than disallow T1 being of pointer type, assert that both T1
2413 and var are of pointer type or not. Make sure not to fall
2414 over the frontends lazyness wrt array to pointer decay though.
2416 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2418 * arm.c (arm_struct_value_rtx): Delete.
2419 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2420 (arm_init_cumulative_args): Always initialize nregs to zero.
2422 2006-05-10 Richard Guenther <rguenther@suse.de>
2424 PR tree-optimization/27532
2425 * tree-object-size.c (plus_expr_object_size): Fix typo.
2427 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2430 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2431 ashrdi_const, ashrdi3): Use a scratch register.
2433 2006-05-10 Richard Guenther <rguenther@suse.de>
2435 PR tree-optimization/27302
2436 * fold-const.c (operand_equal_p): For two comparisons,
2437 try comparison of one comparison code swapped if that yields
2440 2006-05-10 Ben Elliston <bje@au.ibm.com>
2442 * tree-pretty-print.c (pretty_print_string): No need to handle
2443 '\0' as a special character.
2445 * tree.h: Include "hashtab.h".
2446 (iterative_hash_expr): Use hashval_t in its prototype.
2447 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2449 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2452 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2453 (hppa*64*-*-hpux11*): Ditto.
2454 (hppa[12]*-*-hpux11*): Ditto.
2456 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2459 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2461 2006-05-09 Michael Matz <matz@suse.de>
2463 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2464 host_extra_gcc_objs and host_xmake_file.
2465 (<*-*-linux*>): Don't overwrite host_xmake_file.
2466 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2467 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2468 (host_detect_local_cpu): Declare.
2469 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2470 * config/i386/i386.c (override_options): Handle -mtune=native
2472 * config/i386/x-i386: New file.
2473 * config/i386/driver-i386.c: New file.
2474 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2477 2006-05-09 Dirk Mueller <dmueller@suse.de>
2478 Richard Guenther <rguenther@suse.de>
2481 * fold-const.c (fold_read_from_constant_string): Relax check
2482 for matching types to matching modes.
2484 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2486 PR rtl-optimization/27335
2487 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2490 2006-05-08 Chao-ying Fu <fu@mips.com>
2491 Richard Sandiford <richard@codesourcery.com>
2493 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2494 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2495 * config/mips/mips.md (UNSPEC_SCC): New constant.
2496 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2497 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2498 (mips_emit_compare): Use it.
2499 (mips_expand_vcondv2sf): New function.
2501 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2503 Fix PR tree-optimization/27093
2504 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2505 renaming when they become not-used_alone.
2507 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2509 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2510 relocation and relocation stubs.
2512 2006-05-08 Eric Christopher <echristo@apple.com>
2514 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2517 2006-05-08 Jan Hubicka <jh@suse.cz>
2520 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2521 unused static functions are needed.
2523 2006-05-08 Roger Sayle <roger@eyesopen.com>
2526 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2527 of a reg_equiv_constant if the result is a legitimate constant.
2529 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2532 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2533 standard 80387 constants, raise the cost to prevent
2534 compress_float_constant() to generate load from memory.
2536 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2538 * config/arm/constraints.md (c): Fix a typo.
2540 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2543 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2546 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2548 (_mm_mwait): Likewise.
2550 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2552 (sse3_monitor): Make it 32bit only.
2553 (sse3_monitor64): New. 64bit monitor.
2555 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2558 * config/i386/i386.c (classify_argument): Skip fields with invalid
2561 2006-05-07 Richard Guenther <rguenther@suse.de>
2563 PR tree-optimization/27409
2564 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2565 Do not try to find zero-sized subvars.
2567 2006-05-07 Richard Guenther <rguenther@suse.de>
2569 PR tree-optimization/27136
2570 * tree-ssa-loop-niter.c (get_val_for): Correct function
2571 comment, assert requirements.
2572 (loop_niter_by_eval): Stop processing if the iterated
2573 value did not simplify.
2575 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2577 * opts.c (flag_see): remove its setting at -O3.
2579 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2581 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2582 * arm/constraints.md: New file.
2583 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2584 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2585 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2586 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2587 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2588 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2589 * arm.md: Include constraints.md.
2590 (thumb_movsi_insn): Use satisfies_constraint_J.
2591 (movhi, movqi): Use satisfies_constraint_I.
2593 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2595 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2596 for atmeg a645 device.
2598 2006-05-06 Richard Guenther <rguenther@suse.de>
2600 PR tree-optimization/27151
2601 * tree-vect-transform.c (vectorizable_condition): Punt on
2602 values that have a different type than the condition.
2604 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2607 * c-parser.c (c_parser_cast_expression): Only insert casts into
2608 hash table if pointer.
2609 * function.c (used_types_insert_helper): Rename from
2611 (used_types_insert): Call used_types_insert_helper.
2612 * function.h (used_types_insert): Accept only one argument.
2614 2006-05-05 David Edelsohn <edesohn@gnu.org>
2616 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2617 scratch with output modifier.
2619 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2622 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2623 with output modifier.
2625 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2628 * config/mips/mips.c (mips_symbolic_address_p): Return true
2629 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2630 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2632 2006-05-04 Richard Guenther <rguenther@suse.de>
2634 PR tree-optimization/14287
2635 PR tree-optimization/14844
2636 PR tree-optimization/19792
2637 PR tree-optimization/21608
2638 PR tree-optimization/27090
2639 * tree-ssa-pre.c (try_combine_conversion): New function.
2640 (compute_avail): After constructing the value-handle
2641 expression, use try_combine_conversion to combine NOP_EXPRs
2642 with previous value-handle expressions and use the result if it
2645 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2647 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2649 2006-05-04 Jan Hubicka <jh@suse.cz>
2652 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2654 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2656 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2657 that this only matches CONST_INTs. All users changed to VOIDmode
2660 * config/bfin/bfin.c: Include "optabs.h".
2661 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2663 (enum bfin_builtins): Add a number of fractional and vector builtins.
2664 (bfin_init_builtins): Likewise.
2665 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2666 (safe_vector_operand, bfin_expand_binop_builtin,
2667 bfin_expand_unop_builtin): New functions.
2668 (bfin_expand_builtin): Handle the new builtins.
2669 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2672 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2675 * Makefile.in (OBJS-common): Add see.o.
2676 (see.o): Add dependencies.
2677 * common.opt (fsee): New flag for the see optimization was added.
2678 * opts.c (flag_see): Initialized.
2679 * passes.c (init_optimization_passes, pass_see): New pass.
2680 * rtl.h (see_main): Declaration as extern.
2681 * timevar.def (TV_SEE): New.
2682 * tree-pass.h (pass_see): Declaration as extern.
2683 * invoke.texi (-fsee): Document.
2684 * recog.c (validate_simplify_insn): New function.
2685 * recog.h (validate_simplify_insn): Declaration as extern.
2686 * df-problems.c (df_chain_dump): Check for NULL.
2688 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2689 Daniel Berlin <dberlin@dberlin.org>
2691 * cfgrtl.c (insert_insn_bb_end_new): New function.
2692 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2694 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2696 * df.h (struct web_entry): Moved from web.c.
2697 (union_defs): Declaration as extern.
2698 (unionfind_root): Likewise.
2699 (unionfind_union): Likewise.
2700 * web.c (struct web_entry): Moved to df.h.
2701 (unionfind_root): Remove static declaration.
2702 (unionfind_union): Likewise.
2703 (union_defs): Likewise and generalize to use callback function.
2704 (web_main): Update arguments for union_defs function call.
2706 2006-05-04 Richard Guenther <rguenther@suse.de>
2708 PR tree-optimization/26447
2709 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2710 produce SSA_NAME copies before the store stmt to avoid
2711 breaking exception handling.
2713 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2716 * gimplify.c (omp_is_private): If var is shared in some outer context,
2717 return false instead of true. Stop searching on parallel context
2720 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2723 * coverage.c: Use get_gcov_unsigned_t() instead of
2724 unsigned_type_node all over.
2726 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2728 PR tree-optimization/27381
2729 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2730 maintain the same immediate_use links.
2731 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2732 node rather than segfaulting.
2734 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2737 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2738 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2739 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2741 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2743 Fix PR tree-optimization/26626
2744 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2746 * tree-ssa-operands.c (access_can_touch_variable): Allow
2747 typecasting through union pointers.
2749 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2752 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2753 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2754 to find if var will be a global variable even in the nested context.
2755 (omp_copy_decl): Only check for global variable at the end, it might
2756 be overridden in outer contexts.
2757 (scan_sharing_clauses): For global variables don't create a field.
2758 (lower_rec_input_clauses): Do nothing for global shared variables.
2759 Emit a barrier at the end of ILIST if there were any decls in both
2760 firstprivate and lastprivate clauses.
2761 (lower_send_clauses): Do nothing for global variables except for
2764 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2766 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2767 of the correct signedness is returned.
2769 2006-05-02 Jeff Law <law@redhat.com>
2771 PR tree-optimization/27364
2772 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2773 multiply expressions.
2775 2006-05-02 Tom Tromey <tromey@redhat.com>
2777 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2779 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2782 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2783 -mthumb -fPIC are used.
2785 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2786 Joshua Kinard <kumba@gentoo.org>
2789 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2790 with 64-bit pointers.
2792 2006-05-02 Paul Brook <paul@codesourcery.com>
2794 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2796 (create_fix_barrier): Check that a suitable barrier location is
2798 (arm_reorg): Include ftmp->address in allowable range of addresses.
2800 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2803 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2806 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2809 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2810 around RESULT_DECL for result passed by reference.
2811 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2812 * omp-low.c (use_pointer_for_field): Don't look at
2813 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2814 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2815 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2816 time or var for passing by reference for
2817 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2818 TREE_ADDRESSABLE variables when passing by reference.
2820 * omp-low.c (dump_omp_region): Fix output formatting.
2823 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2824 (expand_omp_parallel): Likewise.
2825 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2828 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2829 on statement list containing also constructors and destructors.
2830 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2833 * except.c (duplicate_eh_regions): Fix clearing of
2834 cfun->eh->region_array entries.
2836 2006-05-01 DJ Delorie <dj@redhat.com>
2838 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2840 (gcc_cv_objdump): Likewise.
2841 * configure: Regenerated.
2843 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2846 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2847 templates for case 3 and 4.
2849 2006-05-01 DJ Delorie <dj@redhat.com>
2851 * vec.c: Include bconfig.h when appropriate.
2852 * Makefile.in (build/vec.o): Adjust dependencies.
2853 * mkconfig.sh: Make sure config.h isn't used for build machine
2856 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2858 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2860 (mark_phi_for_rewrite): New function.
2861 (insert_phi_nodes_for, mark_use_interesting): Call
2862 mark_phi_for_rewrite.
2863 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2864 (update_ssa): Initialize and free phis_to_rewrite.
2866 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2868 PR rtl-optimization/27291
2869 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2870 folded to a constant.
2872 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2874 PR tree-optimization/27283
2875 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2876 not whole # of iteration descriptions.
2877 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2878 uses abnormal ssa name.
2879 (niter_for_single_dom_exit): Ditto.
2880 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2881 return just the number of iterations.
2883 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2885 PR tree-optimization/27144
2886 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2887 (record_estimate): Only record constant upper bound.
2888 (infer_loop_bounds_from_undefined): Call
2889 compute_estimated_nb_iterations just once.
2890 (proved_non_wrapping_p): Renamed to ...
2891 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2892 (convert_step_widening, scev_probably_wraps_p): Call
2893 n_of_executions_at_most instead of proved_non_wrapping_p.
2894 (substitute_in_loop_info): Do not replace values in bounds.
2895 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2898 2006-05-01 Richard Henderson <rth@redhat.com>
2901 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2902 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2905 2006-05-01 Roger Sayle <roger@eyesopen.com>
2907 * c-typeck.c (parser_build_binary_op): Don't call the function
2908 unsigned_conversion_warning to spot operand/result type overflow.
2909 (build_binary_op): Instead, call convert_and_check instead of
2910 convert to report the problem when the operands are promoted.
2911 * c-common.c (unsigned_conversion_warning): Make static.
2912 * c-common.h (unsigned_conversion_warning): Delete prototype.
2914 2006-05-01 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/26726
2917 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2919 (find_interesting_uses_address): ... we work around here
2920 by folding INDIRECT_REFs in the substituted base.
2922 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2924 * omp-low.c (dump_omp_region): Add newlines.
2926 2006-04-30 Roger Sayle <roger@eyesopen.com>
2928 * common.opt (Woverflow): New command line option.
2929 * c-common.c (constant_expression_warning): Check warn_overflow.
2930 (overflow_waring): Pass OPT_Woverflow to warning.
2931 (unsigned_conversion_warning): Likewise.
2932 (convert_and_check): Likewise.
2933 * doc/invoke.texi: Document new command line option.
2935 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2937 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2938 TARGET_NO_FP_IN_TOC for section anchors.
2939 (optimization_options): Enable section anchors for all
2940 non-"Objective" languages.
2942 2006-04-28 Eric Christopher <echristo@apple.com>
2944 * config/darwin-c.c (darwin_ms_struct): Move this
2945 (darwin_set_default_type_attributes): and this...
2946 * config/darwin.c: ... here.
2947 * config/darwin.h (darwin_ms_struct): Declare.
2949 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2951 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2953 2006-04-28 Roger Sayle <roger@eyesopen.com>
2956 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2957 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2958 an unsigned HOST_WIDE_INT.
2959 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2961 (really_start_incremental_init): No need to call convert because
2962 bitsize_zero_node is already of type bitsizetype.
2963 (push_init_level): Extract the value of constructor_index as an
2964 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2965 (process_init_element): Likewise.
2967 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2969 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2970 value before passing to make_relative_prefix.
2972 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2975 * builtins.c (expand_builtin_memset): Expand val in original mode.
2977 2006-04-27 Eric Christopher <echristo@apple.com>
2979 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2980 with #ifndef/#endif.
2981 * config/darwin-c.c (darwin_ms_struct): New.
2982 (darwin_pragma_ms_struct): Ditto.
2983 (darwin_set_default_type_attributes): Ditto.
2984 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2985 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2986 Register ms_struct pragma.
2987 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2988 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2989 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2990 darwin_set_default_type_attributes if TARGET_MACHO.
2992 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2994 PR tree-optimization/26854
2995 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2996 * doc/tree-ssa.texi: Update immuse iterator documentation.
2997 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2999 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3000 first_safe_imm_use, next_safe_imm_use): Remove.
3001 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3002 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3003 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3004 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3005 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3006 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3007 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3008 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3009 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3010 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3011 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3012 (perfect_nestify): Use new iterator.
3013 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3015 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3016 (next_imm_name): New field in struct immediate_use_iterator_d.
3017 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3018 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3019 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3020 * tree-cfg.c (replace_uses_by): Use new iterator.
3021 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3022 * tree-ssa-operands.c (correct_use_link): Remove.
3023 (finalize_ssa_use_ops): No longer call correct_use_link.
3025 2006-04-27 Stuart Hastings <stuart@apple.com>
3027 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3028 * config/t-darwin (crt3.o): Use it.
3029 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3030 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3031 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3032 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3033 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3036 2006-04-27 Roger Sayle <roger@eyesopen.com>
3038 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3039 size, force the intermediate into a new pseudo rather instead of
3040 performing both a bitwise AND and a bitwise IOR in memory.
3042 2006-04-27 Richard Guenther <rguenther@suse.de>
3044 PR rtl-optimization/26685
3045 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3046 this one "max-flow-memory-locations".
3048 2006-04-27 Richard Guenther <rguenther@suse.de>
3050 PR tree-optimization/25148
3051 * tree-vrp.c (compare_values): Remove code dealing with
3052 comparisons against type min/max value. Honour overflow
3053 and negative constants in code dealing with comparisons
3054 of plus and minus expressions.
3055 (value_inside_range): Use fold_binary with LE_EXPR and
3056 GE_EXPR rather than compare_values.
3058 2006-04-27 Dirk Mueller <dmueller@suse.de>
3060 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3063 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3065 * basic-block.h (safe_insert_insn_on_edge): Removed.
3066 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3068 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3069 Paolo Bonzini <bonzini@gnu.org>
3072 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3073 (simplify_and_const_int): Same.
3075 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3077 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3079 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3082 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3083 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3084 cgraph_global_info_ready.
3087 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3090 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3091 either decl or init is error_mark_node.
3094 * tree-flow.h (struct omp_region): Add sched_kind.
3095 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3096 instead of extracting omp for data.
3097 (expand_omp_for): Save extracted sched_kind.
3099 2006-04-25 Roger Sayle <roger@eyesopen.com>
3101 * expmed.c (store_bit_field): Also check whether the bitsize is
3102 valid for the machine's "insv" instruction before moving the
3103 target into a pseudo for use with the insv.
3104 * config/i386/predicates.md (const8_operand): New predicate.
3105 * config/i386/i386.md (extv, extzv, insv): Use the new
3106 const8_operand predicate where appropriate.
3108 2006-04-25 DJ Delorie <dj@redhat.com>
3110 * doc/install.texi (Specific): Clarify that this is not a list of
3111 supported hosts or targets.
3113 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3115 PR rtl-optimization/26725
3116 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3117 block's BB_DIRTY flag.
3119 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3121 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3124 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3125 to print an integer.
3127 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3129 * varasm.c (align_variable): New function.
3130 (get_block_for_decl): Apply align_variable to DECL before
3131 calculating section information.
3132 (assemble_variable): Split out alignment computation.
3134 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3136 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3139 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3141 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3142 MODE_PARTIAL_INT mode.
3143 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3144 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3146 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3147 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3149 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3151 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3153 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3154 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3155 MACFLAG_IH): Likewise.
3156 (movstricthi_1): Renamed from "*movstricthi".
3157 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3158 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3159 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3160 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3161 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3162 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3163 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3164 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3165 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3166 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3167 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3168 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3169 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3170 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3171 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3173 * doc/rtl.texi (ss_ashift): Improve wording.
3175 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3177 * dwarf2out.c (verify_marks_clear): New.
3178 (prune_unused_types): Call verify_marks_clear initially, not
3181 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3183 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3184 * doc/rtl.texi: Document them.
3185 * simplify-rtx.c (simplify_unary_operation,
3186 simplify_binary_operation_1): Don't abort when we see them.
3188 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3191 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3192 * configure.ac: Completely disregard languages that are not
3194 * configure: Regenerated.
3196 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3197 Richard Guenther <rguenther@suse.de>
3199 PR tree-optimization/27236
3200 * tree-inline.c (copy_body_r): Make sure to copy
3201 TREE_THIS_VOLATILE flag.
3203 2006-04-24 Richard Guenther <rguenther@suse.de>
3206 * tree-complex.c (update_parameter_components): Don't handle
3207 unused parameters which have no default def.
3209 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3210 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/27218
3213 * tree-inline.c (expand_call_inline): Strip useless type
3214 conversions for the return slot address.
3216 2006-04-24 Richard Guenther <rguenther@suse.de>
3218 * cfgloop.h (struct loops): Remove unused field array. Reorder
3220 (LOOP_PREFETCH): Remove.
3222 2006-04-24 Richard Guenther <rguenther@suse.de>
3224 PR tree-optimization/22525
3225 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3226 variable, adjust types of generated expressions.
3228 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3230 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3231 (tree-vect-patterns.o): Likewise.
3233 (cselib.o): Likewise.
3234 (loop-doloop.o): Likewise.
3235 (regclass.o): Likewise.
3236 (reload1.o): Likewise.
3237 (explow.o): Replace target.h with $(TARGET_H).
3238 (ipa-prop.o): Likewise.
3239 (ipa-cp.o): Likewise.
3240 (ipa-inline.o): Likewise.
3241 (reorg.o): Likewise.
3242 (reg-stack.o): Likewise.
3244 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3246 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3248 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3250 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3252 * configure.ac: Completely disregard languages that are not
3254 * configure: Regenerated.
3257 * c-common.h (c_build_bitfield_integer_type): Declare.
3258 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3259 * c-common.c (c_build_bitfield_integer_type): ... here.
3261 2006-04-23 Roger Sayle <roger@eyesopen.com>
3264 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3265 a SImode SUBREG of a floating point register after no_new_pseudos.
3267 2006-04-23 Roger Sayle <roger@eyesopen.com>
3269 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3270 identify potentially eliminable registers to additionally catch
3271 VIRTUAL_INCOMING_ARGS_REGNUM.
3272 (addsi3): Update the conditions on when to use addsi_small_int.
3274 2006-04-23 Roger Sayle <roger@eyesopen.com>
3277 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3278 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3279 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3281 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3283 * fold-const.c (range_predecessor): Use operand_equal_p
3284 as the predicate for equality.
3285 (range_successor): Likewise.
3287 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3290 * config/soft-fp/op-common.h: Fix a typo.
3292 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3295 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3296 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3298 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3300 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3302 * doc/tm.texi: Fix a typo.
3304 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3306 * dwarf2out.c (struct die_struct): Document that die_sib makes
3307 a circular linked list.
3308 (FOR_EACH_CHILD): New.
3309 (reverse_die_lists): Delete.
3310 (reverse_all_dies): Delete.
3311 (add_dwarf_attr): Correct documentation.
3312 (remove_child_with_prev): New.
3313 (remove_child_TAG): Update for change to die_struct, use
3314 remove_child_with_prev.
3315 (add_child_die): Update for change to die_struct.
3316 (splice_child_die): Use remove_child_with_prev and add_child_die.
3317 (print_die): Use FOR_EACH_CHILD.
3318 (die_checksum): Likewise.
3319 (assign_symbol_names): Likewise.
3320 (output_location_lists): Likewise.
3321 (build_abbrev_table): Likewise.
3322 (calc_die_sizes): Likewise.
3323 (mark_dies): Likewise.
3324 (unmark_dies): Likewise.
3325 (unmark_all_dies): Likewise.
3326 (output_die): Likewise.
3327 (prune_unused_types_mark): Likewise.
3328 (prune_unused_types_walk): Likewise.
3329 (same_die_p): Update for change to die_struct.
3330 (break_out_includes): Likewise.
3331 (prune_unused_types_prune): Likewise.
3332 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3333 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3335 (dwarf2out_finish): Don't call reverse_all_dies.
3337 2006-04-21 Eric Christopher <echristo@apple.com>
3339 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3340 in comments and function names.
3342 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3345 * c-typeck.c (digest_init): Robustify.
3347 * c-typeck.c (pop_init_level): Simplify.
3349 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3351 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3353 2006-04-21 Paul Brook <paul@codesourcery.com>
3355 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3356 hardware floating point.
3358 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3360 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3363 2006-04-21 Nick Clifton <nickc@redhat.com>
3365 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3368 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3371 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3372 C++ lang type in traceback table for Objective-C++.
3374 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3376 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3378 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3380 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3383 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3384 were errors. Remove check for erroneous objects.
3386 2006-04-20 Jeff Law <law@redhat.com>
3388 PR tree-optimization/26854
3389 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3390 checking for zero or one use.
3391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3392 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3393 * tree-ssa-reassoc.c (negate_value): Similarly.
3394 (reassociate_bb): Similarly.
3396 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3398 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3399 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3400 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3402 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3404 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3405 fp regs if the last fp arg doesn't fit in regs.
3407 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3410 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3411 that the last insn has the REG_INC note.
3413 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3414 Nathan Sidwell <nathan@codesourcery.com>
3417 * stor-layout.c (update_alignment_for_field): Do not align
3419 (place_union_field): Place union field at the start of the union.
3420 (place_field): Move ERROR_MARK check later, and use the current
3421 allocation position to maintain monotonicity.
3423 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3425 * dominance.c: Include timevar.h.
3426 (calculate_dominance_info): Use TV_DOMINANCE.
3427 * timevar.def (TV_DOMINANCE): New timevar.
3428 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3430 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3432 PR rtl-optimization/14261
3433 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3434 move would be an INSV insn.
3435 (noce_process_if_block): Don't optimize if the destination is a
3436 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3438 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3440 * config/s390/s390.md: Add comments with the instructions emitted
3441 by an insn pattern if macros are used.
3443 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3445 PR rtl-optimization/26026
3446 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3447 is a known power of two shifted left a variable amount.
3449 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3451 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3452 to hash table twice when the debug_str section has SECTION_MERGE.
3454 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3456 * config/soft-fp: New directory. From glibc.
3457 * config/soft-fp/t-softfp: New.
3458 * config/soft-fp/README: New.
3459 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3460 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3461 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3462 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3463 * config.gcc: Use rs6000/t-fprules-fpbit or
3464 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3466 * config/rs6000/sfp-machine.h: New. Based on glibc.
3467 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3469 * config/rs6000/t-fprules: Remove fp-bit rules.
3470 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3471 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3472 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3473 (softfp_wrap_start, softfp_wrap_end): New.
3475 2006-04-18 DJ Delorie <dj@redhat.com>
3477 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3479 2006-04-18 Devang Patel <dpatel@apple.com>
3481 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3483 2006-04-18 Nick Clifton <nickc@redhat.com>
3485 * config/sh/t-symbian: Add rule to build sh-c.o
3486 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3487 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3488 (sh_symbian_encode_section_info): Likewise.
3490 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3492 * builtins.c (expand_builtin_strcmp): Cover label definition of
3493 do_libcall with HAVE_cmpstrnsi.
3495 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3497 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3499 * function.h (temp_slot_p): New.
3500 (function): Change the type of x_used_temp_slots to
3501 VEC(temp_slot_p,gc) *.
3503 2006-04-18 Nick Clifton <nickc@redhat.com>
3505 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3506 flag_strength_reduce.
3508 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3510 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3514 Partial revert of revision 112637
3515 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3516 Dale Johannesen <dalej@apple.com>
3519 * regclass.c (struct reg_pref): Update documentation.
3520 (regclass): Set prefclass to NO_REGS if memory is the best option.
3521 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3523 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3525 PR tree-optimization/26821
3526 * tree-ssa-math-opts.c (get_constant_one): New.
3527 (insert_reciprocals): Use it.
3529 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3531 * dwarf2out.c (free_AT): Delete.
3532 (remove_AT): Update string ref counts.
3533 (remove_child_TAG): Don't call free_die.
3535 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3536 or DW_TAG_GNU_EINCL.
3537 (prune_unused_types_walk_attribs): Reset string refcounts.
3538 (prune_unused_types_update_strings): New.
3539 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3540 call free_die. Do call prune_unused_types_update_strings.
3541 (prune_unused_types): Empty debug_str_hash.
3543 2006-04-17 Roger Sayle <roger@eyesopen.com>
3545 * expr.c (expand_assignment): Optimize away no-op moves where the
3546 source and destination are equal and have no side-effects.
3548 2006-04-17 Richard Guenther <rguenther@suse.de>
3551 * reload.c (push_reload): Guard calls to get_secondary_mem
3554 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3556 * alias.c (reg_base_value, old_reg_base_value): Change the
3557 type to VEC(rtx,gc) *.
3558 (REG_BASE_VALUE, find_base_value, record_set,
3559 init_alias_analysis): Use VEC instead of VARRAY.
3561 * alias.c (alias_sets): Change the type to
3562 VEC(alias_set_entry,gc) *.
3563 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3564 VEC instead of VARRAY.
3565 (last_alias_set): Remove.
3567 * cgraph.h (cgraph_edge_p): New.
3568 Update the prototype of cgraph_function_versioning.
3569 * cgraphunit.c (cgraph_copy_node_for_versioning,
3570 cgraph_function_versioning): Use VEC instead of VARRAY.
3571 * ipa-cp.c (ipcp_insert_stage): Likewise.
3573 2006-04-16 Roger Sayle <roger@eyesopen.com>
3576 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3577 "A op B" or "A op C", we may need to convert A to the type of B and C.
3579 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3581 * target.h (struct gcc_target): Add mode_rep_extended.
3582 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3583 (init_num_sign_bit_copies_in_rep): Initialize it using
3585 (truncate_to_mode): Use it.
3586 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3587 * targhooks.h (default_mode_rep_extended): Declare it.
3588 * targhooks.c (default_mode_rep_extended): Define it.
3589 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3590 default_mode_rep_extended.
3591 (TARGET_INITIALIZER): Include it.
3592 * doc/tm.texi (Misc): Document it.
3593 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3594 (mips_truncated_to_mode): New function.
3596 2006-04-16 Roger Sayle <roger@eyesopen.com>
3599 * expr.c (compress_float_constant): Copy the narrow constant into
3600 a new pseudo before extending it to its final width.
3602 2006-04-16 Roger Sayle <roger@eyesopen.com>
3603 Andrew Pinski <pinskia@gcc.gnu.org>
3604 Dale Johannesen <dalej@apple.com>
3607 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3608 special case code to implement V8HImode and V16QImode with SSE2.
3610 2006-04-15 Roger Sayle <roger@eyesopen.com>
3612 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3613 trees are constructed with a suitable tree type.
3615 2006-04-15 Roger Sayle <roger@eyesopen.com>
3617 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3618 (integer_onep): Likewise.
3619 (integer_all_onesp): Likewise.
3620 (integer_pow2p): Likewise.
3621 (integer_nonzerop): Likewise.
3622 (real_zerop): Likewise.
3623 (real_onep): Likewise.
3624 (real_twop): Likewise.
3625 (real_minus_onep): Likewise.
3626 (int_size_in_bytes): Likewise.
3627 (host_integerp): Likewise.
3629 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3631 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3632 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3633 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3635 * tree-ssa-structalias.h (alias_info): Remove num_references.
3637 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3639 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3640 (output_bvb patterns): Likewise.
3641 * pa.c (output_bb): Use 'bb' insn for long branch case.
3642 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3643 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3644 1. Correct length operand for alternatives 1 and 2.
3645 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3646 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3648 2006-04-14 Roger Sayle <roger@eyesopen.com>
3650 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3651 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3652 were accidentally reverted by r112959.
3654 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3657 * except.h (eh_region_outermost): New prototype.
3658 * except.c (eh_region_outermost): New function.
3659 * tree-cfg.c (find_outermost_region_in_block): Use it.
3661 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3663 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3665 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3666 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3667 (init_reload, reload): Use VEC instead of VARRAY.
3668 * reload.h: Update the prototype for
3669 reg_equiv_memory_loc_varray.
3671 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3672 Eric Botcazou <ebotcazou@libertysurf.fr>
3674 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3677 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3680 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3681 to expand fallback builtin function call.
3683 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3686 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3687 and emit libcall here in case the builtin fails.
3688 (expand_builtin_strcmp): Always emit the libcall here on failure.
3690 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3692 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3693 * flow.c (reg_n_info): Change the type to
3694 VEC(reg_info_p,heap) *.
3695 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3697 * regs.h (reg_info_p): New.
3698 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3699 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3700 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3703 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3705 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3707 * params.h (MAX_SCHED_READY_INSNS): New macro.
3708 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3709 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3710 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3711 the ready list for 1 cycle during the first scheduling pass.
3712 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3714 2006-04-13 Richard Henderson <rth@redhat.com>
3717 * gimple-low.c (lower_omp_directive): Remove dead code.
3718 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3719 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3720 * omp-low.c (struct omp_region): Move to tree-flow.h.
3721 (root_omp_region): Export.
3722 (omp_regions, lookup_omp_region): Remove.
3723 (determine_parallel_type): Update for struct omp_region changes.
3724 (dump_omp_region): Dump regions with block numbers.
3725 (new_omp_region): Take type and block instead of stmt; malloc
3727 (free_omp_region_1, free_omp_regions): New.
3728 (expand_parallel_call): Take entry_stmt as argument; update for
3729 changes to omp_region.
3730 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3731 (remove_exit_barriers): New.
3732 (expand_omp_parallel): Update for struct omp_region changes.
3733 (expand_omp_synch): Likewise.
3734 (expand_omp): Likewise.
3735 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3736 (expand_omp_for_static_chunk): Likewise.
3737 (expand_omp_for): Likewise.
3738 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3739 (expand_omp_sections): Similarly, with GOMP_sections_end.
3740 (expand_omp_single): New.
3741 (build_omp_regions_1): Update for OMP_CONTINUE.
3742 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3743 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3744 OMP_SECTIONS_SECTIONS.
3745 (lower_omp_single_simple): Don't emit barrier here.
3746 (lower_omp_single_copy): Likewise.
3747 (lower_omp_single): Fix bindings, and lower to straightline now.
3748 (lower_omp_master, lower_omp_ordered): Likewise.
3749 (lower_omp_critical): Likewise.
3750 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3751 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3752 omp edges, free it afterward.
3753 (make_omp_sections_edges): Remove.
3754 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3755 (move_stmt_r): Handle OMP_CONTINUE.
3756 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3757 statement pointers to basic blocks. Add type member.
3758 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3759 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3760 * tree-inline.c (estimate_num_insns_1): Likewise.
3761 * tree-pretty-print.c (dump_generic_node): Likewise.
3762 * tree-ssa-operands.c (get_expr_operands): Likewise.
3763 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3764 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3765 (OMP_CONTINUE): New.
3766 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3767 (OMP_SECTIONS_SECTIONS): Remove.
3768 (OMP_SECTION_LAST): New.
3769 (OMP_RETURN_NOWAIT): New.
3771 2006-04-13 Roger Sayle <roger@eyesopen.com>
3773 * fold-const.c (native_encode_vector, native_interpret_real):
3774 Correct obvious mistakes in the previous check-in.
3776 2006-04-13 Roger Sayle <roger@eyesopen.com>
3778 * fold-const.c (native_encode_expr): New function to encode
3779 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3780 or VECTOR_CST into a specified buffer.
3781 (native_encode_int): New function.
3782 (native_encode_real): New function.
3783 (native_encode_complex): New function.
3784 (native_encode_vector): New function.
3785 (native_interpret_expr): Inverse of native_encode_expr to convert
3786 a target representation into an INTEGER_CST, REAL_CST etc...
3787 (native_interpret_int): New function.
3788 (native_interpret_real): New function.
3789 (native_interpret_complex): New function.
3790 (native_interpret_vector): New function.
3791 (fold_view_convert_expr): New function to constant fold/evaluate
3792 a VIEW_CONVERT_EXPR of a suitable constant expression.
3793 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3794 Change call of build1 to fold_build1 when constructing a
3797 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3798 Ulrich Weigand <uweigand@de.ibm.com>
3801 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3804 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3807 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3808 optimize to lo_sum for DFmode if !TARGET_FPRS.
3810 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3812 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3813 delete_alias_info, compute_flow_sensitive_aliasing,
3814 group_aliases): Use VEC instead of VARRAY.
3815 * tree-ssa-structalias.c (update_alias_info): Likewise.
3816 * tree-ssa-structalias.h (alias_info): Change the type of
3817 processed_ptrs to VEC(tree,heap) *.
3819 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3822 * config/sh/lib1funcs.h: New file, broken out of:
3823 * config/sh/lib1funcs.asm.
3824 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3826 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3827 * config/sh/lib1funcs-Os-4-200.asm: New file.
3828 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3829 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3830 (EXTRA_MULTILIB_PARTS): Include it.
3831 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3832 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3833 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3834 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3837 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3839 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3840 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3841 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3843 * tree-ssa-live.h: Include vecprim.h.
3844 (tree_partition_associator_d): Change the type of
3845 first_partition to VEC(int,heap) *.
3846 (tpa_first_partition): Use VEC instead of VARRAY.
3848 * Makefile.in (GTFILES): Move functions.h after tree.h.
3849 * function.c (reset_block_changes, record_block_change,
3850 check_block_change, free_block_changes): Use VEC instead of
3852 * function.h (function): Change the type of
3853 ib_boundaries_block to VEC(tree,gc) *.
3854 * tree-inline.c (copy_cfg_body): Initialize
3855 ib_boundaries_block to NULL instead of (varray_type) 0.
3857 2006-04-12 Roger Sayle <roger@eyesopen.com>
3859 * expr.c (emit_group_store): Correct operand order in call to
3860 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3861 a SUBREG_BYTE of zero.
3863 2006-04-12 Richard Guenther <rguenther@suse.de>
3865 * profile.c (compute_branch_probabilities): Remove code
3866 encapsulated in !ir_type (), which are remanents of the
3867 removed RTL profiling code.
3868 * rtl-profile.c: Remove.
3870 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3872 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3873 magic NULL_RTX comment.
3874 (function_arg): Store entire fp arg to mem if any part should go
3876 (rs6000_arg_partial_bytes): Adjust for above change.
3878 2006-04-11 Roger Sayle <roger@eyesopen.com>
3880 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3881 if it hasn't been initialized by dwarf2out_init.
3883 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3885 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3886 symbolic constants in branch patterns.
3888 2006-04-11 Roger Sayle <roger@eyesopen.com>
3890 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3892 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3894 PR rtl-optimization/27073
3895 * gcse.c (try_replace_reg): Revert last change. Continue to search
3896 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3899 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3901 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3902 aggregate types other than record and union types.
3903 (function_arg): Likewise.
3904 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3906 (function_value): In 64-bit mode, return objects that require it
3909 2006-04-11 Roger Sayle <roger@eyesopen.com>
3911 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3913 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3915 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3917 2006-04-03 Jeff Law <law@redhat.com>
3920 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3921 alias information too.
3923 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3925 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3927 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3930 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3931 (premark_used_types_helper): New.
3932 (premark_used_types): New.
3933 (gen_subprogram_die): Call premark_used_types.
3934 (prune_unused_types_walk): Do not prune perennial dies.
3935 * function.c (used_types_insert): New.
3936 * function.h (struct function): Add used_types_hash field.
3937 (used_types_insert): Add prototype.
3938 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3939 * c-parser.c (c_parser_cast_expression): Save casted types in used
3942 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3945 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3946 rs6000_explicit_options.float_gprs.
3948 2006-04-10 Roger Sayle <roger@eyesopen.com>
3950 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3951 from ix86_expand_vector_init_low_nonzero. Take an additional
3952 one_var argument indicating which element is non-zero. Support
3953 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3954 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3955 with one_var instead of ix86_expand_vector_init_low_nonzero.
3957 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3959 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3960 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3961 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3962 build/genextract.o): Depend on vecprim.h.
3963 * cfglayout.c, df-problems.c, function.c, genextract.c,
3964 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3965 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3969 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3971 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3972 Declare VECs of this type.
3973 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3974 (remove_children): Delete.
3975 (add_dwarf_attr): Use VEC routines.
3976 (add_AT_flag): Update for changes to add_dwarf_attr.
3977 (add_AT_int): Likewise.
3978 (add_AT_unsigned): Likewise.
3979 (add_AT_long_long): Likewise.
3980 (add_AT_vec): Likewise.
3981 (add_AT_string): Likewise.
3982 (add_AT_die_ref): Likewise.
3983 (add_AT_fde_ref): Likewise.
3984 (add_AT_loc): Likewise.
3985 (add_AT_loc_list): Likewise.
3986 (add_AT_addr): Likewise.
3987 (add_AT_lbl_id): Likewise.
3988 (add_AT_lineptr): Likewise.
3989 (add_AT_macptr): Likewise.
3990 (add_AT_offset): Likewise.
3991 (add_AT_range_list): Likewise.
3992 (get_AT): Use VEC_iterate.
3993 (remove_AT): Use VEC_ordered_remove.
3994 (free_die): Fold remove_children into here; have it use VEC_iterate.
3995 (print_die): Use VEC_iterate on attrs.
3996 (reverse_die_lists): Don't reverse attr lists.
3997 (die_checksum): Use VEC_iterate on attrs.
3998 (same_die_p): Likewise.
3999 (output_location_lists): Likewise.
4000 (build_abbrev_table): Likewise.
4001 (size_of_die): Likewise.
4002 (unmark_all_dies): Likewise.
4003 (output_abbrev_section): Likewise.
4004 (output_die): Likewise.
4005 (prune_unused_types_walk_attribs): Likewise.
4007 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4009 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4011 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4014 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4016 2006-04-09 Roger Sayle <roger@eyesopen.com>
4018 * expr.c (store_constructor): Don't bother clearing target if
4019 we're about to assign a vector to it using vec_init_optab.
4021 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4023 * tree-ssa-alias.c (lhs_may_store_to): New function.
4024 (recalculate_used_alone): Handle LHS of calls.
4026 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4030 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4031 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4032 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4033 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4034 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4035 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4036 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4037 stubs. Add ".align 8" directives before all ".dword" directives.
4038 (GTHREAD_USE_WEAK): Revise comment.
4039 (TARGET_ATTRIBUTE_WEAK): Define.
4040 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4041 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4042 * stublib.c: New file.
4047 * pa.md (cbranch patterns): Revise arguments used in calls to
4048 output_cbranch, output_bb and output_bvd. Add long branch length
4050 (fbranch patterns): Handle long branches.
4051 (jump): Revise length check. Revise arguments for output_lbranch call.
4052 Add long branch length attributes.
4053 (decrement_and_branch_until_zero): Add long branch length attributes.
4054 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4055 Likewise. Revise arguments for output_parallel_addb and
4056 output_parallel_movb calls.
4057 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4058 output_parallel_movb and output_parallel_addb): Update prototypes.
4059 * pa.c (output_cbranch): Revise arguments. Correct handling of
4060 nullification in long branches.
4061 (output_lbranch): Add new argument to control extraction of delay
4063 (output_bb): Handle long branches.
4064 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4065 output_parallel_addb): Likewise.
4067 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4069 PR rtl-optimization/27073
4070 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4073 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4075 * tree.h (tree_memory_tag): Add old_used_alone.
4076 (SMT_OLD_USED_ALONE): New macro.
4077 * tree-ssa-alias.c (recalculate_used_alone): Stop
4078 marking things for renaming unnecessarily.
4080 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4082 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4083 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4084 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4085 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4086 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4087 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4088 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4089 spelling convensions.
4090 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4091 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4092 typos. Follow spelling conventions.
4094 2006-04-07 DJ Delorie <dj@redhat.com>
4096 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4097 passed on the stack.
4098 (m32c_init_cumulative_args): When a function returns a structure,
4099 always pass the pointer to that return area on the stack.
4100 (m32c_function_arg_advance): Don't increment the parameter number
4101 if we're processing the returned structure pointer.
4102 (pushm_info): Reverse order of registers.
4104 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4106 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4107 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4108 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4109 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4111 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4112 chrec_fold_multiply): Same.
4113 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4114 force_expr_to_var_cost): Same.
4115 * tree-mudflap.c (mf_xform_derefs_1): Same.
4116 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4118 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4120 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4121 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4124 2006-04-07 Jan Hubicka <jh@suse.cz>
4126 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4128 2006-04-07 Richard Guenther <rguenther@suse.de>
4130 PR tree-optimization/26135
4131 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4132 loads for store copy-prop.
4133 (copy_prop_visit_stmt): Likewise.
4135 2006-04-05 Robert Millan <robertmh@gnu.org>
4137 * config/i386/linux.h: Add a comment to mark macros that are
4138 being overriden in config/k*bsd-gnu.h.
4139 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4141 * config/knetbsd-gnu.h: Ditto.
4143 2006-04-06 Jan Hubicka <jh@suse.cz>
4147 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4150 2006-04-06 Mike Stump <mrs@apple.com>
4152 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4153 for HAVE_nonlocal_goto to be consistent.
4154 (expand_builtin_nonlocal_goto): Likewise.
4155 (expand_builtin_strcmp): Use #ifdef instead of #if
4156 for HAVE_cmpstrnsi to be consistent.
4158 2006-04-05 DJ Delorie <dj@redhat.com>
4160 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4163 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4165 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4166 got-relative addressing for anything but SImode.
4168 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4169 even if the calling function doesn't modify them.
4171 2006-04-05 Richard Guenther <rguenther@suse.de>
4173 PR tree-optimization/26919
4174 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4175 to cgraph_estimate_size_after_inlining.
4177 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4179 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4181 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4183 PR tree-optimization/26996
4184 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4185 VECTOR_TYPE variables.
4187 2006-04-05 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/26763
4190 * fold-const.c (fold_comparison): Move folding of
4191 PTR + CST CMP PTR + CST ...
4192 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4194 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4196 * doc/install.texi (Prerequisites): Refine some wording on
4197 bootstrapping and ksh.
4198 Move the version numbers of DejaGnu here from the testing section
4199 and fix casing of names.
4200 Fix markup and clarify wording for autogen requirements.
4201 Refer to GCJ instead of just java.
4202 Refer to SVN instead of CVS.
4203 Describe diffutils as useful instead of necessary.
4204 (Downloading the source): Refer to SVN instead of CVS.
4205 Adjust a link to our web site accordingly.
4206 (Configuration): Fix casing of Bison.
4207 (Building): Refer to SVN instead of CVS.
4208 Fix a sentence on the use of Bison and remove duplicate (and
4209 incorrect) version number of Bison requirement.
4210 Remove one redundant list of packages needed for building.
4211 (Specific): Avoid reference to CVS.
4213 2006-04-04 Eric Christopher <echristo@apple.com>
4215 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4216 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4217 (rs6000_handle_struct_attribute): New.
4218 (rs6000_ms_bitfield_layout_p): Ditto.
4220 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4222 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4223 NULL for dso parameter to atexit_common.
4225 2006-04-04 Eric Christopher <echristo@apple.com>
4227 * config/i386/i386.c (machopic_output_stub): Output \t
4228 between instructions and operands.
4230 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4232 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4233 satisfies_constraint_[IL] to explicit tests on value.
4235 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4237 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4238 set_nb_iterations_in_loop): Use build_int_cst instead of
4240 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4241 build_int_cst instead of convert.
4243 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4245 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4246 new value 2 for incoming.
4247 * function.c (expand_function_start): Call struct_value_rtx
4249 * config/sparc/sparc.md: Comment updated_return.
4250 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4251 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4252 struct return if sparc_std_struct_return and incoming is 2.
4253 (print_operand): Do not adjust return if
4254 sparc_std_struct_return.
4256 2006-04-04 Roger Sayle <roger@eyesopen.com>
4258 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4259 convert in the middle-end.
4260 * expr.c (store_expr, store_constructor, get_inner_reference,
4261 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4263 * tree.c (build_range_type): Likewise.
4265 2006-04-04 Tom Tromey <tromey@redhat.com>
4267 * doc/install.texi (Prerequisites): Mention jar.
4269 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4271 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4274 2006-04-04 Matthias Klose <doko@debian.org>
4276 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4277 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4280 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4282 * doc/extend.texi (Function Attributes): Rewrite visibility
4283 attribute documentation.
4284 * doc/invoke.texi (C++ Dialect Options): Rewrite
4285 -fvisibility-inlines-hidden documentation to describe something
4286 entirely different, although in practise compatible.
4287 (Code Gen Options): Warn about system headers in -fvisibility=
4290 * doc/extend.texi (Other Builtins): Document that
4291 __builtin_nan is a compile-time constant only when its argument
4294 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4296 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4297 trying to remove TRUNCATE check if all bits outside the new mode
4298 are identical to the sign bit.
4300 2006-04-03 Jeff Law <law@redhat.com>
4302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4303 and operand scanning in some common cases.
4305 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4306 Dale Johannesen <dalej@apple.com>
4309 * regclass.c (struct reg_pref): Update documentation.
4310 (regclass): Set prefclass to NO_REGS if memory is the best option.
4311 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4312 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4313 into account. For non-registers, equate an empty preferred
4314 reload class to a `!' in the constraint; move the if clause to
4315 do so after those that reject the insn.
4316 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4318 (find_dummy_reload): Likewise.
4319 * doc/tm.texi (Register Classes): Document what it means
4320 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4321 * config/i386/i386.c (ix86_preferred_reload_class): Force
4322 using SSE registers (and return NO_REGS for floating-point
4323 constants) if math is done with SSE.
4324 (ix86_preferred_output_reload_class): New.
4325 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4326 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4327 * config/i386/i386.md: Remove # register preferences.
4329 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4332 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4333 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4334 the type of nb_iter.
4335 (instantiate_parameters_1): Convert the operands before calling
4336 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4337 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4339 2006-04-02 Roger Sayle <roger@eyesopen.com>
4341 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4342 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4344 * dojump.c (do_jump): Likewise.
4345 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4346 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4347 gimplify_boolean_expr): Likewise.
4348 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4349 * varasm.c (array_size_for_constructor): Likewise.
4350 * tree-object-size.c (compute_object_offset): Likewise.
4352 2006-04-02 Roger Sayle <roger@eyesopen.com>
4355 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4356 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4358 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4360 PR tree-optimization/26939
4361 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4363 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4365 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4366 at_stmt. Convert the type of operands before calling
4367 build_polynomial_chrec.
4368 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4370 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4371 (instantiate_parameters_1): Convert the type of operands before calling
4372 build_polynomial_chrec.
4373 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4374 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4375 reset_evolution_in_loop): Insert asserts to check the types of the
4377 (chrec_type): Moved...
4378 (eq_evolutions_p): Use operand_equal_p.
4379 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4380 the types of the operands.
4381 (chrec_type): ...here.
4382 * tree-data-ref.c (create_data_ref): Convert the operands before
4383 calling chrec_replace_initial_condition.
4384 (same_access_functions, analyze_subscript_affine_affine,
4385 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4386 (compute_subscript_distance, analyze_ziv_subscript,
4387 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4388 analyze_miv_subscript): Convert the operands before calling
4389 chrec_fold_minus or chrec_fold_plus.
4391 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4393 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4394 the dependence_relations vector.
4395 (compute_data_dependences_for_loop): Adjust call to
4396 compute_all_dependences.
4398 2006-04-01 Roger Sayle <roger@eyesopen.com>
4399 Richard Henderson <rth@redhat.com>
4401 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4402 gimple_boolify on the condition before calling gimplify_expr.
4404 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4406 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4407 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4408 the frame size. Update to use the new macros.
4409 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4410 * config/xtensa/ieee754-df.S: Likewise.
4412 2006-03-31 Richard Henderson <rth@redhat.com>
4414 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4415 (make_edges): ... here. Control fallthru creation with a local
4416 variable. Do not play with fake edges.
4417 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4418 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4421 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4423 * dwarf2.h (DW64_CIE_ID): Define.
4424 * dwarf2out.c (DWARF_CIE_ID): Define.
4425 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4426 length header. Use DWARF_CIE_ID.
4427 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4428 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4430 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4432 * config/sh/linux-atomic.asm: New file.
4433 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4435 2006-03-31 DJ Delorie <dj@redhat.com>
4437 * config/m32c/cond.md: Set condition flags properly throughout.
4438 * config/m32c/minmax.md: Likewise.
4439 * config/m32c/prologue.md: Likewise.
4440 * config/m32c/bitops.md: Likewise.
4441 * config/m32c/muldiv.md: Likewise.
4442 * config/m32c/mov.md: Likewise.
4443 * config/m32c/addsub.md: Likewise.
4444 * config/m32c/m32c.md: Likewise.
4445 * config/m32c/jump.md: Likewise.
4446 * config/m32c/shift.md: Likewise.
4448 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4449 conditionally output the pattern for this.
4450 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4451 (m32c_compare_redundant): New.
4452 (m32c_output_compare): New.
4453 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4455 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4456 dest, not src. Allow other 4-byte modes.
4458 2006-03-30 Denis Chertykov <denisc@overta.ru>
4460 * doc/md.texi: Refer to avr/constraints.md instead of
4463 2006-03-30 Roger Sayle <roger@eyesopen.com>
4465 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4466 signed vs. unsigned comparison failures on some hosts.
4468 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4471 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4472 change to FLOAT_REGS.
4474 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4475 (rs6000_override_options): Use it.
4476 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4477 only for -mabi=spe/no-spe and -mabi=altivec.
4479 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4481 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4484 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4486 * Makefile.in: Rename docdir to gcc_docdir.
4488 2006-03-30 Roger Sayle <roger@eyesopen.com>
4491 * expr.c (emit_group_store): Optimize group stores into a pseudo
4492 register by using a paradoxical subreg to initialize the destination
4493 if the first or last member of the group specifies a "low part".
4495 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4498 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4499 * target.h (struct gcc_target.speculate_insn): Change type of the
4500 second parameter to 'int'.
4501 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4502 the second operand of the DEPS_LIST.
4503 (copy_DEPS_LIST_list): Update reference to the second operand of the
4505 * rtl.h (alloc_DEPS_LIST): Update signature.
4506 * sched-int.h (ds_t): Change typedef to 'int'.
4507 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4509 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4511 * haifa-sched.c (try_ready): Change condition to restore
4512 non-speculative pattern of the instruction.
4513 (process_insn_depend_be_in_spec): Code to keep probability of the
4514 speculative dependence non-decreasing.
4516 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4518 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4519 (single_move_for_movmem): ... this. Also change all uses.
4520 (bfin_expand_strmov): Renamed to...
4521 (bfin_expand_movmem): ... this. Also change all uses.
4522 * config/bfin/bfin.md (movstrsi): Renamed to...
4523 (movstrsi): ...this.
4525 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4527 PR tree-optimization/26830
4529 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4530 (copy_prop_visit_stmt): Remove write-only variable ann.
4531 (init_copy_prop): Check variable loop depth here. Do not simulate
4532 memory-tag and virtual operand PHIs except for store copy prop.
4534 2006-03-30 Richard Guenther <rguenther@suse.de>
4536 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4537 variants with double arguments.
4539 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4541 * genpreds.c (write_tm_constrs_h): Delete variable p.
4542 * genconditions.c (write_header): Add tm-constrs.h to included
4544 * genpeep.c (main): Add toplev.h to included headers.
4545 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4546 (build/genpeep.o): Add toplev.h dependency.
4547 * config/rs6000/constraints.md: Add "W" constraint.
4549 2006-03-29 Roger Sayle <roger@eyesopen.com>
4551 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4552 sizes by correctly testing whether the size fits a host integer.
4553 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4554 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4555 SImode range for the default sizetype and bitsizetype.
4557 2006-03-29 Roger Sayle <roger@eyesopen.com>
4559 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4560 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4561 quickly if the argument is already of the correct type.
4562 Call fold_build1 instead of build1. Tidy up blank lines.
4564 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4566 * genemit.c (main): Add tm-constrs.h to included headers.
4567 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4568 * genpeep.c (main): Add tm-constrs.h to included headers.
4569 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4570 (write_tm_constrs_h): this and write complete file.
4571 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4572 (write_insn_preds_c): Add tm-constrs.h to included headers.
4573 (gen_constrs): New variable.
4574 (parse_option): Parse "-c".
4575 (main): Invoke write_tm_constrs_h.
4576 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4577 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4578 (object_out_file): Add tm-constrs.h dependency.
4579 (insn-emit.o): Same.
4580 (insn-output.o): Same.
4581 (insn-peep.o): Same.
4582 (insn-preds.o): Same.
4583 (insn-recog.o): Same.
4584 (tm-constsr.h): New target.
4585 (s-constrs-h): New target.
4587 * config/rs6000/constraints.md: New file.
4588 * config/rs6000/rs6000.c: Include tm-constrs.h.
4589 (num_insn_constant_wide): Convert to satisfies_constraint.
4590 (rs6000_rtx_costs): Convert to satisfies_constraint.
4591 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4592 (CONST_OK_FOR_LETTER_P): Delete.
4593 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4594 (EXTRA_CONSTRAINT): Delete.
4595 (EXTRA_MEMORY_CONSTRAINT): Delete.
4596 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4597 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4598 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4599 satisfies_constraint.
4601 * config/i386/i386.c: Include tm-constrs.h.
4603 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4605 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4606 * tree-data-ref.c (find_data_references_in_loop,
4607 compute_data_dependences_for_loop): Use pointers to VEC.
4608 (analyze_all_data_dependences): Adjust calls.
4609 * tree-data-ref.h (find_data_references_in_loop,
4610 compute_data_dependences_for_loop): Adjust declarations.
4611 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4612 compute_data_dependences_for_loop.
4614 2006-03-29 Paul Brook <paul@codesourcery.com>
4616 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4619 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4621 PR tree-optimization/26859
4622 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4624 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4625 for the step after fold_convert.
4627 2006-03-29 Paul Brook <paul@codesourcery.com>
4629 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4630 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4632 2006-03-29 Paul Brook <paul@codesourcery.com>
4635 * targhooks.c (default_narrow_bitfield): New fuction.
4636 * targhooks.h (default_narrow_bitfield): add prototype.
4637 * target.h (gcc_target): Add narrow_volatile_bitfield.
4638 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4639 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4640 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4641 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4643 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4645 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4647 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4648 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4649 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4650 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4651 (s390_function_arg_float): Allow SDmode and DDmode values to be
4652 passed in floating point registers.
4653 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4654 check with SCALAR_FLOAT_MODE_P.
4655 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4657 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4659 PR tree-optimization/25985
4660 * tree-ssa-loop-niter.c (number_of_iterations_le,
4661 number_of_iterations_ne): Make comments more precise.
4662 (number_of_iterations_cond): Add only_exit argument. Use the
4663 fact that signed variables do not overflow only when only_exit
4665 (loop_only_exit_p): New.
4666 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4667 number_of_iterations_cond.
4669 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4671 PR tree-optimization/26643
4672 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4675 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4677 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4678 (divsi3_i4_int): Likewise.
4680 2006-03-28 Roger Sayle <roger@eyesopen.com>
4682 * expr.c (emit_group_store): Only create a new pseudo reg if the
4683 quantity it needs to hold isn't already a suitable pseudo.
4685 2006-03-28 Jeff Law <law@redhat.com>
4687 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4688 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4690 2006-03-28 Roger Sayle <roger@eyesopen.com>
4692 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4693 the equivalent ~X & Y, and the symmetry related transformations.
4694 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4695 ~X & Y, and symmetry related transforms.
4697 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4699 Revert my 2006-03-27 patches.
4701 2006-03-28 Roger Sayle <roger@eyesopen.com>
4703 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4704 ~(T1)X, when T1 and T2 are integer types of the same precision
4705 and (T2)X isn't an extension.
4707 2006-03-28 Jeff Law <law@redhat.com>
4709 PR tree-optimization/26796
4710 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4711 need EH edge cleanups rather than purging them immediately.
4712 (eliminate_degenerate_phis): Handle queued EH cleanups.
4714 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4716 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4719 2006-03-27 Roger Sayle <roger@eyesopen.com>
4722 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4723 cast BIT_NOT_EXPR operand to the correct type.
4725 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4727 * tree-loop-linear.c: Don't include varray.h.
4728 (gather_interchange_stats, try_interchange_loops,
4729 linear_transform_loops): Use VEC instead of VARRAY.
4730 * lambda-mat.c: Don't include varray.h.
4731 * tree-chrec.c: Same.
4732 * lambda-trans.c: Same.
4733 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4734 VEC instead of VARRAY.
4735 * tree-vectorizer.h: Idem.
4736 * tree-data-ref.c (dump_data_references,
4737 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4738 initialize_data_dependence_relation, finalize_ddr_dependent,
4739 compute_all_dependences, find_data_references_in_loop,
4740 compute_data_dependences_for_loop, analyze_all_data_dependences,
4741 free_dependence_relation, free_dependence_relations,
4742 free_data_refs): Idem.
4743 * tree-data-ref.h (data_reference_p, subscript_p): New.
4744 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4745 VEC instead of VARRAY.
4746 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4747 (find_data_references_in_loop, compute_data_dependences_for_loop,
4748 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4749 dump_data_dependence_relations, free_dependence_relations,
4750 free_data_refs): Adjust declaration.
4751 (lambda_transform_legal_p): Move declaration here...
4752 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4753 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4754 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4755 vect_analyze_data_refs): Use VEC instead of VARRAY.
4756 * lambda.h (lambda_transform_legal_p): ...from here.
4757 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4758 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4759 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4760 tree-chrec.o): Don't depend on VARRAY_H.
4762 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4764 * rtl.def (Copyright): Update date.
4765 (DEPS_LIST): Change type of the second operand to 'int'.
4766 * target.h (Copyright): Update date.
4767 (struct gcc_target.speculate_insn): Change type of the second parameter
4769 * lists.c (Copyright): Update date.
4770 (alloc_DEPS_LIST): Change signature. Update reference to the second
4771 operand of the DEPS_LIST.
4772 (copy_DEPS_LIST_list): Update reference to the second operand of the
4774 * rtl.h (Copyright): Update date.
4775 (alloc_DEPS_LIST): Update signature.
4776 * sched-int.h (Copyright): Update date.
4777 (ds_t): Change typedef to 'int'.
4778 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4780 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4782 * haifa-sched.c (Copyright): Update date.
4783 (try_ready): Change condition to restore non-speculative pattern
4785 (process_insn_depend_be_in_spec): Code to keep probability of the
4786 speculative dependence non-decreasing.
4788 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4790 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4791 shut up the compiler.
4793 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4795 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4796 to use lib prefix for target.
4797 ($(T)libic_invalidate_array_4-200.a): Likewise.
4798 ($(T)libic_invalidate_array_4a.a): Likewise.
4800 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4801 J"orn Rennecke <joern.rennecke@st.com>
4803 * superh.opt: New file.
4804 * sh.c (boardtype, osruntime): Remove.
4805 * superh.h (SUBTARGET_OPTIONS): Remove.
4806 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4808 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4809 arguments with ^ and/or [].
4811 * config.gcc (sh-*-*): Add quoting to account for quirk of
4813 Replace == with = in enable_incomplete_targets test.
4815 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4816 with MASK_LITTLE_ENDIAN.
4818 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4819 * config/sh/sh.opt: Added to some comments.
4820 * config/sh/superh.h: Removed some chaff.
4822 * config/sh/sh.opt: Add m4-[1234]00* options.
4823 * config/sh/sh.c (sh_handle_option): Likewise.
4824 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4825 (ic_invalidate_array_4-100.o): New rule.
4826 ($(T)libic_invalidate_array_4-100.a): Likewise.
4827 (ic_invalidate_array_4-200.o): Likewise.
4828 ($(T)libic_invalidate_array_4-200.a): Likewise.
4829 (ic_invalidate_array_4a.o): Likewise.
4830 ($(T)libic_invalidate_array_4a.a): Likewise.
4831 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4832 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4834 * config/sh/crt1.asm: Merged in profiling code.
4835 * config/sh/superh.h (STARTFILE_SPEC): Override.
4836 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4837 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4838 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4840 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4841 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4842 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4844 * sh.opt (mpretend-cmove): New option.
4845 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4846 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4847 (movsicc): Add TARGET_PRETEND_CMOVE code.
4849 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4851 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4852 s390_class_max_nregs): New function prototypes.
4853 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4854 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4855 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4856 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4858 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4860 * dwarf2out.c (add_location_or_const_value_attribute): Call
4861 tree_add_const_value_attribute if nothing else works.
4862 (reference_to_unused): New.
4863 (rtl_for_decl_init): Use reference_to_unused to decide whether
4864 to output an initializer.
4866 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4869 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4870 peephole removing spe frob_di_df_2.
4872 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4874 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4875 (subscript_dependence_tester_1): Declared.
4876 (print_dir_vectors, print_dist_vectors): New.
4877 (debug_data_dependence_relation): New.
4878 (dump_data_dependence_relation): Print more details.
4879 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4880 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4881 (save_dist_v, save_dir_v, add_outer_distances,
4882 build_classic_dist_vector_1): New.
4883 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4884 Don't test for lambda_vector_lexico_pos.
4885 (same_access_functions, add_multivariate_self_dist,
4886 add_other_self_distances, dir_from_dist): New.
4887 (build_classic_dir_vector): Replace implementation almost identical to
4888 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4890 (subscript_dependence_tester_1): New.
4891 (subscript_dependence_tester): Handle the lexicographically negative
4892 distance vectors by recomputing the dependence relation.
4893 (compute_affine_dependence): Remove parameter loop_nest_depth.
4894 (compute_self_dependence): Don't call compute_subscript_distance.
4895 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4896 Add a parameter for the loop_nest.
4897 (find_loop_nest_1, find_loop_nest): New.
4898 (compute_data_dependences_for_loop): Compute the loop nest, and give
4899 up if the nest is not well formed.
4900 * tree-data-ref.h (loop_p): New.
4901 (struct data_dependence_relation): Replace size_vect field with
4902 loop_nest, a vec of loops.
4903 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4904 (DDR_LOOP_NEST): New.
4905 (print_dir_vectors, print_dist_vectors,
4906 debug_data_dependence_relation): Declared.
4907 (index_in_loop_nest): New.
4908 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4909 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4912 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4914 * simplify-rtx.c (simplify_relational_operation): Call
4915 simplify_relational_operation_1 even if mode is VOIDmode.
4917 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4919 PR tree-optimization/26804
4920 * tree.h (DECL_CALL_CLOBBERED): New macro.
4921 (tree_decl_common): Add call_clobbered_flag.
4922 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4923 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4924 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4925 (mark_non_addressable): Ditto.
4926 * tree-ssa.c (verify_call_clobbered): New function.
4927 (verify_alias_info): Use it.
4928 * tree-pass.h (pass_reset_cc_flags): New prototype.
4929 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4930 (reset_cc_flags): New function.
4931 * passes.c (init_optimization_passes): Call reset_cc_flags after
4932 initializing referenced_vars.
4934 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4935 Roger Sayle <roger@eyesopen.com>
4938 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4939 to 1.0 for non-real operands. Implement A / A optimization for
4942 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4944 * config/i386/i386.c (size_cost): Correct the comment for
4945 cost of storing fp registers.
4946 (i386_cost): Likewise.
4947 (i486_cost): Likewise.
4948 (pentium_cost): Likewise.
4949 (pentiumpro_cost): Likewise.
4950 (k6_cost): Likewise.
4951 (athlon_cost): Likewise.
4952 (k8_cost): Likewise.
4953 (pentium4_cost): Likewise.
4954 (nocona_cost): Likewise.
4955 (generic64_cost): Likewise.
4956 (generic32_cost): Likewise.
4958 2006-03-24 Denis Chertykov <denisc@overta.ru>
4960 * config/avr/avr-protos.h (extra_constraint): Delete.
4961 (extra_constraint_Q): New declaration.
4962 * config/avr/constraints.md: New file.
4963 * config/avr/avr.md: Include it.
4964 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4965 (TMP_REGNO, ZERO_REGNO): Likewise.
4966 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4967 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4968 (extra_constraint): Delete.
4969 (extra_constraint_Q): Test for memory constraint 'Q'.
4970 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4971 (REG_CLASS_FROM_LETTER): Delete.
4972 (CONST_OK_FOR_LETTER_P): Delete.
4973 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4974 (EXTRA_CONSTRAINT): Delete.
4975 (TMP_REGNO): Delete.
4976 (ZERO_REGNO): Delete.
4978 2006-03-24 Jeff Law <law@redhat.com>
4980 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4981 directly. Call mark_new_vars_to_rename slightly earlier.
4983 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4985 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4987 (gen_compile_unit_die): Use new language types for Objective-C and
4989 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4990 DW_LANG_C_plus_plus.
4993 * config/t-darwin (crt3.o): Work around bug 26840.
4994 * config/darwin-crt3.c: Rewrite.
4995 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4997 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4999 * doc/invoke.texi: Document -femit-class-debug-always
5000 * common.opt: Add -femit-class-debug-always.
5002 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5004 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5005 index and base register.
5006 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5007 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5008 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5009 REGNO_OK_FOR_INDEX_P.
5010 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5012 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5013 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5014 REG_OK_FOR_BASE_P): Definitions removed.
5016 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5019 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5020 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5021 set yet or weren't marked as local yet.
5023 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5025 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5028 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5030 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5031 (rs6000_legitimate_small_data_p): Delete.
5032 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5033 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5034 and make static. Add forward declaration. Update uses.
5035 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5036 of offsettable_memref_p.
5037 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5038 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5040 2006-03-24 Jeff Law <law@redhat.com>
5042 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5043 around bug in immediate-use iterator.
5045 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5048 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5049 or __LITTLE_ENDIAN__.
5051 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5053 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5054 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5055 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5056 * config/sh/sh.opt (mdiv=): Amend description.
5057 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5058 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5059 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5060 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5061 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5062 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5063 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5064 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5065 TARGET_DIVIDE_CALL_FP.
5067 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5069 * haifa-sched.c (choose_ready): Fix type of the local variable.
5070 Move local variables. Add comment.
5071 (check_reg_live): Change signature. Make callable from debugger.
5072 * sched-int.h (check_reg_live): Update signature.
5073 * sched-ebb.c (check_reg_live): Update parameters.
5074 * sched-rgn.c (check_reg_live): Ditto.
5075 (region_head_or_leaf_p): Check pointer before dereferencing.
5076 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5077 before reload on optimization levels below 1.
5079 2006-03-23 Richard Henderson <rth@redhat.com>
5081 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5085 * config/alpha/predicates.md (local_symbolic_operand): Reject
5088 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5091 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5092 expressions which have overflowed constants.
5094 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5096 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5098 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5100 * cfgloopmanip.c (create_loop_notes): Removed.
5101 * final.c (final_scan_insn): Do not handle loop notes.
5102 * jump.c (squeeze_notes): Ditto.
5103 * cfglayout.c (skip_insns_after_block,
5104 duplicate_insn_chain): Ditto.
5105 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5107 * cfgloop.h (create_loop_notes): Declaration removed.
5109 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5111 * varasm.c (output_constant_pool): Restore fnname and fndecl
5113 (assemble_start_function): Adjust call accordingly.
5114 (assemble_end_function): Likewise.
5116 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5119 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5122 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5124 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5127 * system.h (ICE_EXIT_CODE): New macro.
5128 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5129 (diagnostic_action_after_output): Likewise.
5130 * gcc.c (fatal_ice): New function.
5131 (execute): Use it instead of fatal.
5132 (fancy_abort): Likewise.
5133 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5135 2006-03-22 Jeff Law <law@redhat.com>
5137 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5138 iv_analyze_result returning false.
5140 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5142 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5144 2006-03-22 Richard Henderson <rth@redhat.com>
5147 * except.c (duplicate_eh_regions_0): New.
5148 (duplicate_eh_region_1): Duplicate the children of the node as
5149 well as the node itself. Link them up properly.
5150 (duplicate_eh_region_2): Merge into ...
5151 (duplicate_eh_regions): ... here. Take copy_region argument, and
5152 copy only a sub-tree if asked. Simplify copying and fixup.
5153 (eh_region_outer_p): New.
5154 * except.h (duplicate_eh_regions): Update decl.
5155 (eh_region_outer_p): Declare.
5156 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5157 (lower_omp_master): Likewise.
5158 (lower_omp_ordered): Likewise.
5159 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5160 (move_stmt_r): Use it to remap labels. Handle recursion vs
5161 remap_decls_p properly.
5162 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5163 (find_outermost_region_in_block): New.
5164 (new_label_mapper): New.
5165 (move_sese_region_to_fn): Copy eh information to the new function
5167 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5169 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5172 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5174 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5175 into shared libraries.
5177 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5179 * doc/md.texi: Refer to i386/constraints.md instead of
5181 * config/i386/constraints.md: New file, extracted from...
5182 * config/i386/predicates.md: ...here.
5183 * config/i386/i386.md: Include constraints.md.
5185 2006-03-21 Jason Merrill <jason@redhat.com>
5187 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5190 * expr.c (init_block_move_fn): Force default visibility.
5191 (init_block_clear_fn): Likewise.
5192 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5193 * targhooks.c (default_external_stack_protect_fail): Likewise.
5195 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5197 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5198 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5199 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5200 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5201 (loadgp): Use mips_current_loadgp_style.
5202 (loadgp_noshared): New pattern.
5203 (sibcall_internal): Use MIPS_CALL.
5204 (sibcall_value_internal): Likewise.
5205 (sibcall_value_multiple_internal): Likewise.
5206 (call_internal): Likewise.
5207 (call_value_internal): Likewise.
5208 (call_value_multiple_internal): Likewise.
5209 (call_split): Use MIPS_CALL and add an 'S' constraint.
5210 (call_value_split): Likewise.
5211 (call_value_multiple_split): Likewise.
5212 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5213 (-mshared): New option.
5214 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5215 (mips_current_loadgp_style): Declare.
5216 * config/mips/mips.c (mips_classify_symbol): Avoid using
5217 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5218 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5219 TARGET_ABSOLUTE_ABICALLS.
5220 (override_options): Adjust comments. Improve the warning that is
5221 issued when -mabicalls and -G are used together.
5222 (mips_file_start): Remove comment.
5223 (mips_current_loadgp_style): New function.
5224 (mips_gnu_local_gp): New variable.
5225 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5227 (mips_output_function_prologue): Use mips_current_laodgp_style.
5228 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5229 the cprestore instruction.
5230 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5231 live for TARGET_ABSOLUTE_ABICALLS.
5232 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5233 (ASM_SPEC): Pass down -mshared and -mno-shared.
5234 (MIPS_CALL): New macro.
5235 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5237 * doc/invoke.texi (-mabicalls): Update documentation.
5238 (-mshared): Document.
5240 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5242 * config/ia64/unwind-hpux.c: New file.
5243 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5245 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5248 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5250 2006-03-21 Jeff Law <law@redhat.com>
5252 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5253 type conversions of a VR_VARYING source to a wider type.
5255 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5257 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5258 tm_file on Solaris 10 and later.
5259 (sparc64-*-solaris2*): Likewise.
5260 (sparc-*-solaris2*): Likewise.
5261 * config/sol26.h: Rename to config/sol2-6.h.
5262 * config/sol2-10.h: New file.
5264 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5267 * tree-ssa-pre.c (create_component_ref_by_pieces):
5270 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5273 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5274 return it immediately.
5276 2006-03-21 Michael Matz <matz@suse.de>
5278 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5280 (remove_arc, add_arc): Update num_out_arcs member.
5281 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5283 (cache_presence): New function.
5284 (compare_states_for_equiv): New function.
5285 (state_is_differed): Don't take number of outargs, adjust callers.
5286 Use new invariant for speeding up.
5287 (init_equiv_class): Create initial classes based on sorted
5289 (partition_equiv_class): Don't track out_arcs_num.
5290 (evaluate_equiv_classes): Call cache_presence on all states and
5293 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5295 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5296 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5297 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5298 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5300 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5301 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5302 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5303 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5304 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5306 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5307 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5308 (REGNO_REG_CLASS): ARGP is in PREGS.
5309 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5311 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5312 to deal with those addresses.
5313 * addresses.h: New file.
5314 * caller-save.c: Include "addresses.h".
5315 (init_caller_save): Use new base_reg_class function.
5316 * rtl-factoring.c: Include "addresses.h".
5317 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5318 * recog.c: Include "addresses.h".
5319 (preprocess_constraints): Use new base_reg_class function.
5320 * regrename.c: Include "addresses.h".
5321 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5322 functions. Keep track of a new var INDEX_CODE to compute valid
5324 (replace_oldest_value_addr): Likewise.
5325 (replace_oldest_value_mem): Use base_reg_class.
5326 * reload.c: Include "addresses.h".
5327 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5328 (find_reloads): Use new base_reg_class function.
5329 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5330 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5331 all callers and prototype changed.
5332 * reload1.c: Include "addresses.h".
5333 (maybe_fix_stack_asms): Use base_reg_class.
5334 * regclass.c: Include "addresses.h".
5335 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5336 (init_reg_autoinc): Use new base_reg_class function.
5337 (record_reg_classes): Likewise.
5338 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5339 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5340 Use new args to compute necessary class.
5342 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5343 regrename.o, rtl-factoring.o): Update dependencies.
5344 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5345 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5346 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5347 REG_OK_FOR_INDEX_P): Delete documentation.
5349 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5351 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5352 from V7 to V9 for Solaris 7 and above.
5354 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5356 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5357 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5358 argument pointers may not alias any other storage.
5359 * common.opt: Define option -fargument-noalias-anything.
5360 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5361 alias semantics is specified by flag_argument_noalias > 2.
5363 2006-03-20 Jeff Law <law@redhat.com>
5365 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5366 (pass_phi_only_cprop): Declare.
5367 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5369 * tree-ssa-dom.c (degenerate_phi_result): New function.
5370 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5371 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5372 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5373 (eliminate_degenerate_phis): Likewise.
5374 (pass_phi_only_cprop): New pass descriptor.
5375 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5376 support code. Callers updated.
5377 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5378 (store_copy_prop): Likewise.
5379 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5381 2006-03-20 Jason Merrill <jason@redhat.com>
5384 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5385 (push_visibility, pop_visibility): Likewise.
5386 * c-pragma.h: Declare them.
5388 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5390 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5392 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5393 parameter and use get_ebb_head_tail.
5394 (sh_md_init_global): Adjust uses of find_regmode_weight.
5396 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5398 * function.h (struct function) <x_tail_recursion_reentry>:
5399 Rename to x_stack_check_probe_note.
5400 (tail_recursion_reentry): Rename to stack_check_probe_note.
5401 * function.c: Replace tail_recursion_reentry with
5402 stack_check_probe_note everywhere.
5403 (expand_function_start): Only emit a note for
5404 stack_check_probe_note with -fstack-protect.
5405 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5407 * emit-rtl.c (remove_unnecessary_notes): Remove.
5408 (pass_remove_unnecessary_notes): Remove.
5409 * rtl.h (remove_unnecessary_notes): Remove prototype.
5410 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5411 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5412 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5414 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5417 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5418 (valid_in_set): Handle ARRAY_REF.
5419 Change "if min_variant or VH" to asserts.
5420 (create_component_ref_by_pieces): Handle ARRAY_REF.
5421 (create_expression_by_pieces): Likewise.
5422 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5424 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5426 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5427 is operand of switch, not str[0].
5429 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5431 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5432 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5434 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5436 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5437 end of insn_extra_address_constraint declaration.
5439 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5441 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5442 (no-sum-in-toc): Same.
5443 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5445 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5446 NO_FP_IN_TOC for -fPIC instead of mask.
5448 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5449 (BOOT_LDFLAGS): Delete.
5451 * config/rs6000/t-aix52: Same.
5453 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5454 (stmsi[345678]_power): New.
5456 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5458 * config/ia64/ia64.opt: Add empty line to end of file.
5460 2006-03-17 Richard Guenther <rguenther@suse.de>
5463 * builtins.c (get_pointer_alignment): For component style references
5464 adjust alignment to the component type alignment. Make sure
5465 to adjust alignment for component access of constants.
5467 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5469 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5472 2006-03-17 Paul Brook <paul@codesourcery.com>
5474 * doc/install.texi: Docuemnt --with-mode.
5475 * config.gcc: Add --with-mode for arm*-*-*.
5476 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5478 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5480 * sh.c (max_labelno_before_reorg): New variable.
5481 (sh_reorg): Initialize it.
5482 (find_barrier): Check max_labelno_before_reorg before using
5483 label_to_alignment. Take length of explicit alignment insns
5484 into account. When seeing a UNSPECV_CONST_END, return it.
5486 * sh.c (fixup_mova): Set mode of affected label to QImode.
5487 (untangle_mova): New function.
5488 (find_barrier): Use it. Check mode of label before decrementing
5490 (sh_reorg): Likewise.
5491 Set mode of all insns back to VOIDmode.
5493 * sh.c (MOVA_LABELREF): New macro.
5494 (mova_p, fixup_mova, sh_reorg): Use it.
5495 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5496 ADDR_DIFF_VEC matches mova.
5498 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5500 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5501 with ATTRIBUTE_UNUSED.
5503 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5505 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5506 pointer, instead of assuming it is possible to derive the
5507 correct args size from a call insn.
5509 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5511 * rtl.h (CONST_INT_P): Define.
5512 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5513 instead of GET_CODE(x) == CONST_INT.
5514 (vax_rtx_costs): Likewise.
5515 (vax_output_int_move): Likewise.
5516 (vax_output_int_add): Likewise.
5517 (legitimate_constant_address_p): Likewise.
5518 (index_term_p): Likewise.
5519 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5520 * config/vax/vax.md (and<mode>3): Likewise.
5521 (ashrsi3): Likewise.
5523 (movstricthi): Likewise.
5524 (movstrictqi): Likewise.
5525 (rotrsi3): Likewise.
5526 (five unnamed insns): Likewise.
5528 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5530 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5531 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5532 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5533 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5534 Pass to ASM_OUTPUT_DWARF_OFFSET.
5535 * dwarf2out.c (debug_frame_section): New.
5536 (output_call_frame_info): Use debug_frame_section. Pass it to
5537 dw2_asm_output_offset.
5538 (output_die): Pass appropriate section to dw2_asm_output_offset.
5539 (output_compilation_unit_header): Likewise.
5540 (output_pubnames): Likewise.
5541 (output_aranges): Likewise.
5542 (enum dw_val_class): Break dw_val_class_lbl_offset into
5543 dw_val_class_lineptr and dw_val_class_macptr.
5544 (add_AT_lbl_offset): Delete.
5545 (add_AT_lineptr): New.
5546 (add_AT_macptr): New.
5547 (AT_lbl): Expect a lineptr or macptr.
5548 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5549 (attr_checksum): Likewise.
5550 (same_dw_val_p): Likewise.
5551 (size_of_die): Likewise.
5552 (value_format): Likewise.
5553 (output_die): Likewise.
5554 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5556 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5557 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5558 * config/darwin-protos.h (darwin_file_start): New.
5559 (darwin_asm_output_dwarf_offset): New.
5560 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5561 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5563 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5564 if not EH section; simplify.
5565 (darwin_file_start): New.
5566 (darwin_asm_output_dwarf_offset): New.
5567 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5569 (DEBUG_INFO_SECTION): Likewise.
5570 (DEBUG_ABBREV_SECTION): Likewise.
5571 (DEBUG_ARANGES_SECTION): Likewise.
5572 (DEBUG_MACINFO_SECTION): Likewise.
5573 (DEBUG_LINE_SECTION): Likewise.
5574 (DEBUG_LOC_SECTION): Likewise.
5575 (DEBUG_PUBNAMES_SECTION): Likewise.
5576 (DEBUG_STR_SECTION): Likewise.
5577 (DEBUG_RANGES_SECTION): Likewise.
5578 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5579 (ASM_OUTPUT_DWARF_OFFSET): New.
5581 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5583 * config.gcc (tm_defines): Always add to previous value rather
5586 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5588 * config/mips/predicates.md (splittable_const_int_operand): New,
5589 split from move_operand.
5590 (splittable_symbolic_operand): New.
5591 (move_operand): Add commentary. Use splittable_const_int_operand.
5592 Inline mips_atomic_symbolic_constant_p.
5593 * config/mips/mips.md: Add combine splitters for handling moves
5594 of splittable_const_int_operands and splittable_symbolic_operands.
5595 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5596 (mips_split_symbol): Declare.
5597 (mips_move_integer): Declare.
5598 * config/mips/mips.c (mips_split_p): Make global.
5599 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5600 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5601 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5602 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5603 (mips_offset_within_object_p): Handle block symbols.
5604 (mips_atomic_symbolic_constant_p): Delete.
5605 (mips_cannot_force_const_mem): Return false for constants that
5606 mips_legitimize_move can handle.
5607 (mips_use_blocks_for_constant_p): New function.
5608 (mips_split_symbol): Make global.
5609 (mips_move_integer): Likewise. Add a temporary register argument.
5610 (mips_legitimize_const_move): Use splittable_const_int_operand and
5611 splittable_symbolic_operand.
5612 (mips_use_anchors_for_symbol_p): New function.
5613 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5614 (mips_split_p): Declare.
5616 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5618 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5619 (mips*-*-linux*): Likewise.
5621 2006-03-16 Roger Sayle <roger@eyesopen.com>
5622 Daniel Speyer <dspeyer@wam.umd.edu>
5625 * tree-dump.c (dump_real): New function.
5626 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5627 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5628 (tree-dump.o): Add $(REAL_H) to the dependencies.
5630 2006-03-16 Roger Sayle <roger@eyesopen.com>
5633 * real.c (real_from_string): If the mantissa is zero, don't bother
5634 parsing the exponent as the result should always be zero.
5636 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5638 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5640 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5642 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5643 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5644 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5645 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5646 ia64_sched_finish_global): New static functions to implement
5647 hooks from gcc_target.sched.
5648 (spec_check_no, max_uid, pending_data_specs): New static variables.
5649 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5650 ia64_spec_check_src_p): New static functions.
5651 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5652 (TARGET_SCHED_ADJUST_COST): Removed.
5653 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5654 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5655 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5656 TARGET_SCHED_GEN_CHECK,
5657 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5658 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5659 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5660 Fixed to handle speculation checks.
5661 (rtx_needs_barrier): Fixed to handle speculative loads and
5663 (ia64_variable_issue): Added code to count speculative loads and their
5665 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5667 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5669 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5671 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5672 (ia64_reorg): Reset stops_p to NULL after it is freed.
5673 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5674 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5675 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5677 (data_speculative, control_speculative, check_load): New attributes.
5678 (mov<mode>_advanced, mov<mode>_speculative,
5679 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5680 zero_extend<mode>di2_speculative,
5681 zero_extend<mode>di2_speculative_advanced): New patterns for
5682 data and control speculative loads.
5683 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5685 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5686 New pattern for data and control speculation checks.
5687 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5688 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5689 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5690 Auxiliary definitions for the patterns.
5691 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5692 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5694 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5696 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5697 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5698 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5699 New resource constraints.
5700 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5702 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5703 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5704 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5705 msched-in-control-spec, msched-ldc, msched-control-ldc,
5706 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5707 msched-prefer-non-control-spec-insns,
5708 msched-count-spec-in-critical-path): New flags to tune speculative
5710 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5711 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5712 msched-in-control-spec, msched-ldc, msched-control-ldc,
5713 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5714 msched-prefer-non-control-spec-insns,
5715 msched-count-spec-in-critical-path): Document new flags.
5717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5719 * target.h (struct spec_info_def): New opaque declaration.
5720 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5721 speculate_insn, needs_block_p, gen_check,
5722 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5723 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5724 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5725 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5726 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5727 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5729 (TARGET_SCHED): Use new macros.
5730 * rtl.h (copy_DEPS_LIST_list): New prototype.
5731 * sched-int.h (struct sched_info): Change signature of new_ready field,
5732 adjust all initializations. New fields: add_remove_insn,
5733 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5734 region_head_or_leaf_p.
5735 (struct spec_info_def): New structure declaration.
5736 (spec_info_t): New typedef.
5737 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5738 recovery_block, orig_pat.
5739 (glat_start, glat_end): New variables declaraions.
5740 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5742 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5743 DETACH_LIFE_INFO, USE_GLAT.
5744 (enum SPEC_SCHED_FLAGS): New enumeration.
5745 (NOTE_NOTE_BB_P): New macro.
5746 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5747 attach_life_info, debug_spec_status, check_reg_live): New functions.
5748 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5749 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5751 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5752 * ddg.c (get_block_head_tail): Adjust all uses.
5753 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5754 (sms_sched_info): Initialize new fields.
5755 (contributes_to_priority): Removed.
5756 * haifa-sched.c (params.h): New include.
5757 (get_block_head_tail): Adjust all uses.
5758 (ISSUE_POINTS): New macro.
5759 (glat_start, glat_end): New global variables.
5760 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5761 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5762 old_last_basic_block, before_recovery, current_sched_info_var,
5763 rgn_n_insns, luid): New static variables.
5764 (insn_cost1): New function. Move logic from insn_cost to here.
5765 (find_insn_reg_weight1): New function. Move logic from
5766 find_insn_reg_weight to here.
5767 (reemit_notes, move_insn, max_issue): Change signature.
5768 (move_insn1): Removed.
5769 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5770 extend_bb): New static functions to support extension of scheduler's
5772 (generate_recovery_code, process_insn_depend_be_in_spec,
5773 begin_speculative_block, add_to_speculative_block,
5774 init_before_recovery, create_recovery_block, create_check_block_twin,
5775 fix_recovery_deps): New static functions to support
5776 generation of recovery code.
5777 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5778 restore_bb_notes, move_block_after_check, move_succs): New static
5779 functions to support ebb scheduling.
5780 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5781 functions to support handling of register live information.
5782 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5783 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5784 add_jump_dependencies): New static functions.
5785 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5786 consistancy checking.
5787 (debug_spec_status): New function to call from debugger.
5788 (priority): Added code to handle speculation checks.
5789 (rank_for_schedule): Added code to distinguish speculative instructions.
5790 (schedule_insn): Added code to handle speculation checks.
5791 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5792 Fixed to handle ebbs.
5793 (move_insn): Added code to handle ebb scheduling.
5794 (max_issue): Added code to use ISSUE_POINTS of instructions.
5795 (choose_ready): Added code to choose between speculative and
5796 non-speculative instructions.
5797 (schedule_block): Added code to handle ebb scheduling and scheduling of
5798 speculative instructions.
5799 (sched_init): Initialize new variables.
5800 (sched_finish): Free new variables. Print statistics.
5801 (try_ready): Added code to handle speculative instructions.
5802 * lists.c (copy_DEPS_LIST_list): New function.
5803 * sched-deps.c (extend_dependency_caches): New function. Move logic
5804 from create_dependency_caches to here.
5805 (get_dep_weak, ds_merge): Make global.
5806 * genattr.c (main): Code to output prototype for
5807 dfa_clear_single_insn_cache.
5808 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5809 (output_dfa_clean_insn_cache_func): Code to output
5810 dfa_clear_single_insn_cache function.
5811 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5813 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5815 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5816 New static variables.
5817 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5818 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5820 (ebb_sched_info): Initialize new fields.
5821 (get_block_head_tail): Adjust all uses.
5822 (compute_jump_reg_dependencies): Fixed to use glat_start.
5823 (schedule_ebb): Code to remove unreachable last block.
5824 (schedule_ebbs): Added code to update register live information.
5825 * sched-rgn.c (region_sched_info): Initialize new fields.
5826 (get_block_head_tail): Adjust all uses.
5827 (last_was_jump): Removed. Adjust users.
5828 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5829 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5830 Implement new hooks.
5831 (check_dead_notes1): New static function.
5832 (struct region): New fields: dont_calc_deps, has_real_ebb.
5833 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5834 (BB_TO_BLOCK): Fixed to handle EBBs.
5835 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5836 (ebb_head): New static variable.
5837 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5838 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5840 (compute_dom_prob_ps): New assertion.
5841 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5842 global_live_at_start.
5843 (init_ready_list): New assertions.
5844 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5845 (new_ready): Add support for BEGIN_CONTROL speculation.
5846 (schedule_insns): Fixed code that updates register live information
5848 (schedule_region): Fixed to handle EBBs.
5849 (init_regions): Use extend_regions and check_dead_notes1.
5850 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5851 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5852 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5853 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5854 TARGET_SCHED_GEN_CHECK,
5855 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5856 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5857 * doc/invoke.texi (max-sched-insn-conflict-delay,
5858 sched-spec-prob-cutoff): Document.
5860 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5862 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5863 inter_tick, queue_index.
5864 (struct sched_info): Change signature of init_ready_list field.
5865 Adjust all initializations.
5866 (RESOLVED_DEPS): New access macro.
5867 (ready_add): Remove prototype.
5868 (try_ready): Add prototype.
5869 * sched-rgn.c (init_ready_list): Use try_ready.
5870 (schedule_region): Initialize
5871 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5872 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5873 (init_ready_list): Use try_ready.
5874 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5875 * lists.c (remove_list_elem): Remove `static'.
5876 (remove_free_INSN_LIST_elem): New function.
5877 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5878 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5879 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5881 (readyp): New variable.
5882 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5883 change_queue_index, resolve_dep): New static functions.
5884 (try_ready): New function. Adjust callers in sched-rgn.c and
5885 sched-ebb.c to use it instead of ready_add.
5886 (clock_var): Move at the begining of file.
5887 (rank_for_schedule): Fix typo.
5888 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5889 (ready_lastpos): Enforce assertion.
5890 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5892 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5893 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5894 (queue_to_ready): Use free_INSN_LIST_list.
5895 (early_queue_to_ready): Fix typo.
5896 (schedule_block): Init readyp. Move init_ready_list call after the
5897 initialization of clock_var. Fix error in rejecting insn by
5898 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5899 that previously corrected INSN_TICKs. Add code for handling
5901 (set_priorities): Fix typo.
5902 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5903 Clarify comment and code that keeps current_sched_info->next_tail
5906 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5908 * sched-rgn.c (extend_rgns): New static function.
5909 (find_rgns): Use it.
5910 (gather_region_statistics, print_region_statistics): New static
5912 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5913 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5915 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5916 Andrey Belevantsev <abel@ispras.ru>
5918 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5919 * lists.c (unused_deps_list): New variable.
5920 (free_list): Add assertions to verify the proper distinguishing
5921 between INSN_LISTs and DEPS_LISTs.
5922 (find_list_elem, remove_list_elem, remove_list_node): New static
5924 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5925 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5926 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5927 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5929 (free_INSN_LIST_node): Likewise.
5930 * modulo-sched.c (current_sched_info): Initialize flags field.
5931 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5932 * rtl.def (DEPS_LIST): Define.
5933 * rtl.h: Declare new functions from lists.c.
5934 * sched-deps.c (spec_dependency_cache): New static variable.
5935 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5936 (add_dependence): Change return type to void. Move the logic to ...
5937 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5938 (delete_all_dependences): Add comment about forward_dependency_cache.
5939 Handle spec_dependency_cache. Handle DEPS_LISTs.
5940 (fixup_sched_groups): Clarify the change of priority of output
5941 and anti dependencies.
5942 (sched_analyze_2): Adjust add_dependence calls to create data
5943 speculative dependence.
5944 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5945 Adjust all callers. Handle DEPS_LISTS.
5946 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5947 presence of speculation.
5948 (init_dependency_caches, free_dependency_caches):
5949 Handle spec_dependency_cache.
5950 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5951 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5952 New static functions.
5953 (add_or_update_back_dep, add_or_update_back_forw_dep,
5954 add_back_forw_dep, delete_back_forw_dep): New functions.
5955 * sched-int.h (ds_t, dw_t): New typedefs.
5956 (struct sched_info): Add new field flags.
5957 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5958 Prototype new sched-deps.c functions.
5959 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5960 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5961 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5962 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5963 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5964 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5966 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5968 * sched-rgn.c (current_sched_info): Initialize flags field.
5969 (schedule_insns): Initialize current_sched_info before the sched_init
5971 * sched-ebb.c (current_sched_info): Initialize flags field.
5972 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5973 Call add_or_update_back_dep instead of add_dependence.
5974 Create control speculative dependencies.
5975 (schedule_insns): Initialize current_sched_info before the sched_init
5978 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5980 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5982 (sh_fallback_frame_state): Likewise.
5984 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5986 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5987 Do switch on default_use_cxa_atexit.
5988 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5989 * config/darwin-crt3.o: New.
5990 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5991 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5992 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5994 * config/rs6000/t-darwin: Move crt2.o building to here.
5995 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5996 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5999 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6001 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6002 from '! xxx' to '!xxx' for coding-style conformance.
6003 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6004 (EXTRA_CONSTRAINT): Likewise.
6005 * config/vax/vax.md (four unnamed insns): Likewise.
6007 2006-03-15 Paul Brook <paul@codesourcery.com>
6009 * config/arm/arm.c (minipool_pad): New.
6010 (add_minipool_forward_ref): Include pool alignment padding in address
6012 (push_minipool_fix): Set minipool_pad.
6013 (minipool_pad): Ditto.
6015 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6017 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6018 instead of GET_CODE() == MEM and REG_P() instead of
6020 (print_operand_address): Likewise.
6021 (vax_address_cost): Likewise.
6022 (vax_rtx_costs): Likewise.
6023 (vax_notice_update_cc): Likewise.
6024 (vax_output_int_add): Likewise.
6025 (INDEX_REGISTER_P): Likewise.
6026 (BASE_REGISTER_P): Likewise.
6027 (nonindexed_address_p): Likewise.
6028 (vax_mode_dependent_address_p): Likewise.
6029 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6030 (PRINT_OPERAND): Likewise.
6031 * config/vax/vax.md (ashlsi3): Likewise.
6032 (ashlsi3): Likewise.
6033 (some more unnamed insns): Likewise.
6035 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6037 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6038 iterator-style macro.
6039 (mark_control_dependent_edges_necessary): Update the use of
6040 EXECUTE_IF_CONTROL_DEPENDENT.
6042 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6044 * config/sh/predicates.md (cache_address_operand): Special.
6045 (ua_address_operand): Likewise.
6047 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6049 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6051 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6053 2006-03-15 Andreas Schwab <schwab@suse.de>
6055 * gensupport.c (identify_predicable_attribute): Don't free p_false
6056 when it is still in use.
6058 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6060 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6061 the default setting here.
6063 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6065 * tree-pass.h (pass_cfg): Remove.
6066 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6067 * passes.c (pass_cfg): Don't run it.
6069 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6071 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6072 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6074 (stack_regs_mentioned): Update the uses of
6075 stack_regs_mentioned_data. Don't access the array beyond its
6077 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6078 Don't include gt-reg-stack.h.
6080 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6081 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6083 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6086 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6089 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6091 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6093 2006-03-14 Richard Guenther <rguenther@suse.de>
6095 PR tree-optimization/26672
6096 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6099 2006-03-14 Richard Guenther <rguenther@suse.de>
6101 PR tree-optimization/26667
6102 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6103 node for the callees. Always allow inlining if it will shrink
6106 2006-03-14 Richard Guenther <rguenther@suse.de>
6109 * builtins.c (get_pointer_alignment): Prefer alignment
6110 information from decls over that from types.
6112 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6115 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6117 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6119 * config/rs6000/rs6000.opt (mdlmzb): New option.
6120 (msched-prolog, msched-epilog): Use Var not Mask.
6121 * doc/invoke.texi (-mdlmzb): Document.
6122 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6124 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6125 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6127 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6129 PR rtl-optimization/25739
6130 * bt-load.c (augment_live_range): Free tos pointer.
6132 * gensupport.c (identify_predicable_attribute): Free
6134 * gcov.c (create_file_names): Free name pointer.
6136 2006-03-13 Roger Sayle <roger@eyesopen.com>
6139 * stmt.c (emit_case_nodes): Handle the case where the index is a
6140 CONST_INT, where the comparison mode is specified by the index type.
6142 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6144 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6147 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6149 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6150 (*branch_fp_inverted): Likewise.
6152 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6155 * omp-low.c (expand_omp_for_generic): Mark istart0
6156 and iend0 as addressable.
6158 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6160 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6162 2006-03-13 Jeff Law <law@redhat.com>
6164 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6165 virtual operands are interesting.
6166 (vrp_visit_stmt): Corresponding changes.
6168 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6170 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6172 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6173 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6174 * config/bfin/crti.S: Use it instead of __PIC__.
6175 * config/bfin/crtn.S: Likewise.
6177 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6178 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6180 Lose 'G' modifier for call operand.
6181 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6182 recognize 'G' modifier.
6184 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6187 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6188 * stmt.c (expand_case): Likewise.
6190 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6192 PR rtl-optimization/26254
6193 * loop-invariant.c (seq_insns_valid_p): New function.
6194 (move_invariant_reg): Only emit new code if it is valid.
6196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6198 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6200 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6201 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6202 (commit_one_edge_insertion): Do not look for loop notes.
6204 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6206 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6207 flag_test_coverage out of loop.
6209 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6211 * final.c (shorten_branches): Remove outdated comment, and turn
6212 the if branch that guards it to continue.
6214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6216 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6217 * cfgloop.h (struct loop): Remove unused fields.
6219 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6221 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6222 (-dL, -fdump-rtl-loop2): Update the dump file names
6224 * doc/invoke.texi: Update dump file names.
6226 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6228 * predict.c (estimate_probability): Remove.
6229 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6230 * basic-block.h (estimate_probability): Remove prototype.
6231 * passes.c (finish_optimization_passes): Dump branch prediction or
6232 profiling heuristics to the .profile tree dump.
6233 (init_optimization_passes): Unqueue pass_branch_prob.
6235 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6237 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6239 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6240 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6242 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6244 * function.h (frame_offset_overflow): Declare.
6245 * function.c (frame_offset_overflow): New function.
6246 (assign_stack_local_1): Call it to detect that the offset overflows.
6247 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6249 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6251 * config/sh/sh.c: Include alloc-pool.h.
6252 (label_ref_list_pool): New alloc pool.
6253 (label_ref_list_t): New type for lists of labels.
6254 (struct pool_node): Make wend a label_ref_list_t.
6255 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6257 (dump_table): Likewise.
6258 (sh_reorg): Set up the alloc pool before using add_constant and
6259 dump_table, and destroy it when finishing.
6261 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6263 * config/mips/mips.c: Remove redundant comment.
6265 2006-03-10 Jason Merrill <jason@redhat.com>
6268 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6269 the target was declared 'register'.
6271 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6273 * genpreds.c (write_insn_constraint_len): Change definition of
6274 insn_constraint_len to return size_t to match the declaration.
6276 2006-03-10 DJ Delorie <dj@redhat.com>
6278 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6280 (m32c_expand_insv): Fix test for an AND mask.
6282 2006-03-10 Richard Guenther <rguenther@suse.de>
6285 * builtins.c (get_pointer_alignment): Handle component
6286 references for field alignment.
6288 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6290 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6291 when building with libgloss.
6292 (sh*elf): Implement --without-fp option.
6293 (sh64-superh-linux*): Don't multilib.
6295 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6297 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6299 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6301 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6302 Set it when one of the replacement functions returned true.
6303 Return TODO_cleanup_cfg if cfgchanged is true.
6304 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6306 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6308 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6309 instead of gen_lowpart.
6311 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6313 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6315 (mips_output_order_conditional_branch): Declare.
6316 * config/mips/mips.h (MIPS_BRANCH): New macro.
6317 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6318 for the comparison. Use gen_condjump.
6319 (mips_output_conditional_branch): Rework interface to take the
6320 asm templates for a direct branch and the inverse of a direct branch.
6321 (mips_output_order_conditional_branch): New function.
6322 (mips_builtin_branch_and_move): New function.
6323 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6324 branch condition. Use gen_single_cc as the condition for
6325 __builtin_mips_upper_* or __builtin_mips_lower_*.
6326 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6327 Use VOIDmode for the branch condition.
6328 * config/mips/predicates.md (order_operator): New predicate.
6329 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6330 (branch_fp): Rename to...
6331 (*branch_fp): ...this. Remove mode from comparison operator.
6332 Use new mips_output_conditional_branch interface.
6333 (branch_fp_inverted): Rename to...
6334 (*branch_fp_inverted): ...this and update as for *branch_fp.
6335 (*branch_zero<mode>): Rename to...
6336 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6337 Use mips_output_order_conditional_branch. Only accept ordered
6339 (*branch_zero<mode>_inverted): Rename to...
6340 (*branch_order<mode>_inverted): ...this and update as for
6341 *branch_order<mode>.
6342 (*branch_equality<mode>): Accept zero as the second operand to
6343 the equality operator. Use the new mips_output_conditional_branch
6345 (*branch_equality<mode>_inverted): Likewise.
6346 (condjump): New expander.
6347 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6349 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6350 (bc1any2t, bc1any2f): Likewise.
6351 (single_cc): New expander.
6352 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6354 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6356 * doc/md.texi: Update documentation of MIPS constraints.
6357 * config/mips/constraints.md: New file.
6358 * config/mips/mips.md: Include it.
6359 * config/mips/mips.c (mips_char_to_class): Delete.
6360 (override_options): Don't initialize mips_char_to_class.
6361 * config/mips/mips.h (mips_char_to_class): Delete.
6362 (REG_CLASS_FROM_LETTER): Delete.
6363 (CONST_OK_FOR_LETTER_P): Delete.
6364 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6365 (EXTRA_CONSTRAINT_Y): Delete.
6366 (EXTRA_CONSTRAINT_STR): Delete.
6367 (CONSTRAINT_LEN): Delete.
6368 (EXTRA_MEMORY_CONSTRAINT): Delete.
6370 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6372 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6373 original fn's eh regions.
6375 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6377 * fold-const.c (build_range_check): Make sure to use a valid type to
6378 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6381 (range_predecessor): New static function.
6382 (range_successor): Likewise.
6383 (merge_ranges): Use them to compute predecessors and successors of
6386 2006-03-09 Roger Sayle <roger@eyesopen.com>
6389 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6390 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6392 2006-03-08 DJ Delorie <dj@redhat.com>
6394 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6395 (addpsi3): Expand to include memory operands. Remove
6396 reload-specific splits.
6397 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6398 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6399 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6400 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6401 (shift1_qi, shift1_hi, insv): New.
6402 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6403 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6404 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6406 * config/m32c/m32c-protos.h: Update as needed.
6407 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6408 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6409 Fail for unrecognized R* constraints.
6410 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6411 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6412 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6414 (m32c_init_libfuncs): New.
6415 (m32c_legitimate_address_p): Add debug wrapper.
6416 (m32c_rtx_costs): New.
6417 (m32c_address_cost): New.
6418 (conversions): Add 'B' prefix.
6419 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6420 operands, or word regnames for QI operands. 'B' prints bit
6422 (m32c_expand_setmemhi): New.
6423 (m32c_expand_movmemhi): New.
6424 (m32c_expand_movstr): New.
6425 (m32c_expand_cmpstr): New.
6426 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6427 (m32c_expand_neg_mulpsi3): Handle non-ints.
6428 (m32c_cmp_flg_0): New.
6429 (m32c_expand_movcc): New.
6430 (m32c_expand_insv): New.
6431 (m32c_scc_pattern): New.
6432 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6433 a0/a1 out of SIregs.
6434 (STORE_FLAG_VALUE): New.
6435 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6438 * config/m32c/mov.md: Make constraints more liberal.
6439 (zero_extendqihi2): Optimize r0/r1 case.
6440 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6441 * config/m32c/predicates.md (m32c_any_operand): New.
6442 (m32c_nonimmediate_operand): New.
6443 (m32c_hl_operand): New.
6444 (m32c_r3_operand): New.
6447 (memsym_operand): New.
6448 (memimmed_operand): New.
6449 (a_qi_operand): New.
6450 (m32c_eqne_operator): New.
6451 (m32c_1bit8_operand): New.
6452 (m32c_1bit16_operand): New.
6453 (m32c_1mask8_operand): New.
6454 (m32c_1mask16_operand): New.
6455 * config/m32c/blkmov.md: New file.
6456 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6458 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6460 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6461 unsigned to fix signed/unsigned comparison issue in
6462 DWARF2_FRAME_REG_OUT.
6463 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6464 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6466 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6467 of ptr into the ENABLE_CHECKING section.
6469 2006-03-08 Jeff Law <law@redhat.com>
6471 * tree-vrp.c (infer_value_range): Only count pointer uses
6472 and dereferences if -fdelete-null-pointer-checks is enabled.
6474 * tree-vrp.c (find_assert_locations): Infer value ranges for
6475 single use pointers, but do not create ASSERT_EXPRs for them.
6476 When a non-null range is inferred for a pointer, backwards
6477 propagate that range to other equivalent pointers through the
6480 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6483 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6484 language hook targets.
6485 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6486 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6487 if language hook targets were missing.
6489 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6491 * tree-ssa-opfinalize.h: Removed.
6492 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6494 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6495 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6496 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6497 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6498 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6499 finalize_ssa_v_must_def_ops): New.
6501 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6503 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6506 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6508 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6510 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6511 addresses with offsets; reorganize.
6513 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6514 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6515 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6517 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6520 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6522 2006-03-08 Ben Elliston <bje@au.ibm.com>
6524 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6526 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6529 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6532 2006-03-07 Richard Guenther <rguenther@suse.de>
6534 PR tree-optimization/26587
6535 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6537 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6539 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6541 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6543 * hooks.c (hook_bool_mode_rtx_true): New function.
6544 * hooks.h (hook_bool_mode_rtx_true): Declare.
6545 * toplev.c (compile_file): Call output_shared_constant_pool.
6546 * varasm.c (shared_constant_pool): New variable.
6547 (assemble_start_function, assemble_end_function): Remove arguments
6548 from call to output_constant_pool.
6549 (create_constant_pool): New function, split out from...
6550 (init_varasm_status): ...here.
6551 (force_const_mem): Choose between the shared and per-function constant
6552 pools. Set current_function_uses_const_pool when reusing old entries
6553 as well as when creating new ones.
6554 (mark_constant): Ignore data argument.
6555 (mark_constants): Remove pool argument.
6556 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6557 to decide whether the function uses a constant pool.
6558 (output_constant_pool_contents): New function, split out from...
6559 (output_constant_pool): ...here.
6560 (output_shared_constant_pool): New function.
6561 (init_varasm_once): Initialize shared_constant_pool.
6562 * output.h (output_constant_pool): Delete.
6563 (output_shared_constant_pool): Declare.
6564 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6565 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6567 2006-03-06 Nick Clifton <nickc@redhat.com>
6569 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6570 flag_strength_reduce.
6572 2006-03-06 Ben Elliston <bje@au.ibm.com>
6574 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6575 x86_64-*-linux* configurations.
6577 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6578 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6580 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6582 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6584 * basic-block.h: Remove the extern for
6585 rediscover_loops_after_threading.
6587 * cfgloop.c (cancel_loop): Make it static.
6588 * cfgloop.h: Remove the prototype for cancel_loop.
6590 * flow.c (recompute_reg_usage): Make it static.
6591 * rtl.h: Remove the prototype for recompute_reg_usage.
6593 * function.c (use_return_register): Make it static.
6594 * function.h: Remove the prototype.
6596 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6598 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6600 * recog.h: Remove the prototype for
6601 validate_change_maybe_volatile.
6603 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6605 * rtlanal.c (replace_reg): Remove.
6606 * rtl.h: Remove the prototype for replace_reg.
6608 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6610 * regclass.c (reg_scan_update): Remove.
6611 (reg_scan_mark_refs): Remove the last argument.
6612 * rtl.h: Remove the prototype for reg_scan_update.
6614 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6616 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6617 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6618 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6619 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6620 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6621 loop-invariant.c, omp-low.c, opts.c, passes.c,
6622 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6623 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6624 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6625 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6626 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6627 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6629 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6631 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6632 * dwarf2out.h: Remove the prototype for
6633 dwarf2out_add_library_unit_info.
6635 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6637 * tree.c (add_var_to_bind_expr): Remove.
6638 * tree.h: Remove the prototype for add_var_to_bind_expr.
6640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6642 * regclass.c (n_non_fixed_regs): Remove.
6643 (init_reg_sets_1, globalize_reg): Remove all uses of
6645 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6647 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6649 * rtlanal.c (insns_safe_to_move_p): Remove.
6650 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6654 * expmed.c (expand_mult_add): Remove.
6655 * expr.h: Remove the prototype for expand_mult_add.
6657 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6659 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6660 and REG_SAVED_VAL_EXP constants.
6661 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6662 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6663 Handle regs stored by value.
6664 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6665 (execute_cfa_program): Handle DW_CFA_val_offset,
6666 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6667 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6668 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6669 (uw_install_context_1): Handle target regs stored by value.
6671 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6673 * tree-sra.c (tree_sra): Return todoflags;
6674 (generate_one_element): Set TODO_update_smt_usage if needed.
6675 (pass_sra): Remove TODO_update_smt_usage.
6676 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6678 (tree_ssa_forward_propagate_single_use_vars): Return
6679 TODO_update_smt_usage if we need to update SMT usage.
6680 (pass_forwprop): Remove TODO_update_smt_usage.
6682 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6684 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6685 (correct_use_link): Remove reference to get_stmt_operands.
6686 (update_stmt_operands): Likewise.
6687 (get_modify_expr_operands): New function factored out of
6688 parse_ssa_operands and get_expr_operands.
6689 Try to create V_MUST_DEFs for LHS by default.
6690 (get_expr_operands) <case MODIFY_EXPR>: Call
6691 get_modify_expr_operands.
6692 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6693 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6694 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6695 get_modify_expr_operands.
6697 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6699 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6700 * tree-flow.h: Remove the prototype for
6701 referenced_var_lookup_if_exists.
6703 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6705 PR rtl-optimization/26345
6707 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6709 2006-03-03 Roger Sayle <roger@eyesopen.com>
6711 PR tree-optimization/26524
6712 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6713 fold_convert to create a constant of the appropriate type.
6715 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6717 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6718 SYMBOL_REF_IN_BLOCK_P.
6719 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6720 of SYMBOL_FLAG_IN_BLOCK.
6721 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6722 instead of SYMBOL_REF_IN_BLOCK_P.
6723 * explow.c (use_anchored_address): Likewise.
6724 * rtl.c (rtx_size): Likewise.
6725 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6726 instead of SYMBOL_FLAG_IN_BLOCK.
6727 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6728 SYMBOL_REF_IN_BLOCK_P.
6729 (assemble_variable): Likewise.
6730 (output_constant_def_contents): Likewise.
6731 (output_constant_pool): Likewise.
6732 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6733 instead of SYMBOL_FLAG_IN_BLOCK.
6734 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6735 SYMBOL_REF_IN_BLOCK_P.
6736 (SYMBOL_REF_BLOCK): Likewise.
6737 (SYMBOL_REF_OFFSET): Likewise.
6738 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6739 SYMBOL_REF_IN_BLOCK_P.
6740 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6741 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6742 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6743 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6745 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6747 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6749 2006-03-02 Roger Sayle <roger@eyesopen.com>
6751 * simplify-rtx.c (simplify_unary_operation): When simplifying
6752 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6753 that we perform the right shift in the appropriate mode, and
6754 then extend or truncate the result to requested mode.
6756 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6758 * gengtype.c (main): Handle double_int type.
6759 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6760 * double-int.c: New file.
6761 * double-int.h: New file.
6762 * system.h: Include doubleint.h.
6763 * Makefile.in (SYSTEM_H): Include double-int.h.
6764 (double-int.o): Add.
6766 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6769 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6772 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6774 * tree-vrp.c (remove_range_assertions): Do not update statements
6777 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6779 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6781 * gcse.c (rest_of_handle_gcse): Ditto.
6782 * except.c (gate_handle_eh): Ditto.
6783 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6784 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6786 2006-03-02 Eric Christopher <echristo@apple.com>
6788 * config/i386/i386.c (machopic_output_stub): Add indirection to
6791 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6795 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6797 Sun Niagara specific optimizations.
6798 * config.gcc: Recognize niagara as target.
6799 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6800 (TARGET_CPU_niagara): Define.
6801 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6802 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6803 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6804 (ASM_CPU_SPEC): Likewise.
6805 (PROCESSOR_NIAGARA): New enum entry.
6806 (REGISTER_MOVE_COST): Handle Niagara.
6807 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6808 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6809 (sparc_override_options): Recognize "niagara", set appropriate
6810 default MASK_* values for it, and align functions to 32-bytes
6811 by default just like ULTRASPARC/ULTRASPARC3.
6812 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6813 (sparc64_initialize_trampoline): Likewise.
6814 (sparc_use_sched_lookahead): Use zero for niagara.
6815 (sparc_issue_rate): Use one for niagara.
6816 * config/sparc/niagara.md: New file.
6817 * config/sparc/sparc.md: Include it.
6818 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6819 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6820 when default cpu is niagara.
6821 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6822 (ASM_CPU_SPEC): Likewise.
6823 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6824 when default cpu is niagara.
6825 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6826 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6827 just like v9/ultrasparc/ultrasparc3.
6828 * doc/invoke.texi: Add documentation for "niagara" and improve
6829 existing documentation for ultrasparc variants.
6831 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6833 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6835 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6837 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6838 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6839 and say that only one is needed.
6840 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6841 * target.h (have_switchable_bss_sections): New hook.
6842 * explow.c (use_anchored_address): Check that the symbol is in a block.
6843 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6844 (bss_noswitch_section): New variables.
6845 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6846 (get_noswitch_section): New function.
6847 (get_block_for_section): Allow SECT to be null.
6848 (unlikely_text_section_p): Use SECTION_STYLE.
6849 (bss_initializer_p): New function.
6850 (get_variable_section): Move earlier in file. Take a new argument,
6851 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6852 Return one of the new *_sections in such cases.
6853 (get_block_for_decl): New function, extracting some logic from
6854 use_blocks_for_decl_p.
6855 (change_symbol_section): Remove in favor of...
6856 (change_symbol_block): ...this new function.
6857 (use_blocks_for_decl_p): Remove checks now performed by
6859 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6860 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6861 (emit_local, emit_bss, emit_common): ...these new functions.
6862 Return true if the alignment was honored.
6863 (emit_tls_common): New function.
6864 (asm_emit_uninitialised): Delete.
6865 (assemble_variable_noswitch): New function, split out from...
6866 (assemble_variable): ...here. Don't make decisions about common
6867 variables here. Globalize all public decls that go into non-common
6868 sections. Check whether SYMBOL_REF_BLOCK is null.
6869 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6870 (output_constant_pool): Likewise.
6871 (init_varasm_once): Initialize the new section variables.
6872 (have_global_bss_p): New function.
6873 (categorize_decl_for_section): Use bss_initializer_p.
6874 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6875 (place_block_symbol): Assert that the symbol must be in a block.
6876 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6877 (TARGET_INITIALIZER): Include it.
6878 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6879 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6880 (SECTION_MACH_DEP): Bump by two.
6881 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6882 (unnamed_section): Mention SECTION_UNNAMED in comment.
6883 (named_section): Likewise SECTION_NAMED.
6884 (noswitch_section_callback): New type.
6885 (noswitch_section): New structure.
6886 (section): Add a noswitch_section alternative.
6887 (SECTION_STYLE): New macro.
6888 (tls_comm_section, comm_section, lcomm_section): Declare.
6889 (bss_noswitch_section, have_global_bss_p): Declare.
6890 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6891 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6893 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6894 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6897 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6899 * tree-vrp.c (execute_vrp): Return value.
6900 * regrename.c (rest_of_handle_regrename): Ditto.
6901 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6902 * tree-complex.c (tree_lower_complex): Ditto.
6903 (tree_lower_complex_O0): Ditto.
6904 * tracer.c (rest_of_handle_tracer): Ditto.
6905 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6906 * postreload.c (rest_of_handle_postreload): Ditto.
6907 * tree-tailcall.c (execute_tail_recursion): Ditto.
6908 (execute_tail_calls): Ditto.
6909 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6910 * tree.h (init_function_for_compilation): Ditto.
6911 * ipa-cp.c (ipcp_driver): Ditto.
6912 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6913 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6914 * final.c (compute_alignments): Ditto.
6915 (rest_of_handle_final): Ditto.
6916 (rest_of_handle_shorten_branches): Ditto.
6917 (rest_of_clean_state): Ditto.
6918 * omp-low.c (execute_expand_omp): Ditto.
6919 (execute_lower_omp): Ditto.
6920 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6921 * ipa-reference.c (static_execute): Ditto.
6922 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6923 * reorg.c (rest_of_handle_delay_slots): Ditto.
6924 (rest_of_handle_machine_reorg): Ditto.
6925 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6926 * flow.c (recompute_reg_usage): Ditto.
6927 (rest_of_handle_remove_death_notes): Ditto.
6928 (rest_of_handle_life): Ditto.
6929 (rest_of_handle_flow2): Ditto.
6930 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6931 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6932 (do_ssa_store_ccp): Ditto.
6933 (execute_fold_all_builtins): Ditto.
6934 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6935 * modulo-sched.c (rest_of_handle_sms): Ditto.
6936 * ipa-pure-const.c (static_execute): Ditto.
6937 * cse.c (rest_of_handle_cse): Ditto.
6938 (rest_of_handle_cse2): Ditto.
6939 * web.c (rest_of_handle_web): Ditto.
6940 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6941 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6942 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6943 * tree-nrv.c (tree_nrv): Ditto.
6944 (execute_return_slot_opt): Ditto.
6945 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6946 (create_structure_vars): Ditto.
6947 * loop-init.c (rtl_loop_init): Ditto.
6948 (rtl_loop_done): Ditto.
6949 (rtl_move_loop_invariants): Ditto.
6950 (rtl_unswitch): Ditto.
6951 (rtl_unroll_and_peel_loops): Ditto.
6952 (rtl_doloop): Ditto.
6953 * gimple-low.c (lower_function_body): Ditto.
6954 (mark_used_blocks): Ditto.
6955 * tree-ssa-sink.c (execute_sink_code): Ditto.
6956 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6957 (cgraph_early_inlining): Ditto.
6958 * global.c (rest_of_handle_global_alloc): Ditto.
6959 * jump.c (cleanup_barriers): Ditto.
6960 (purge_line_number_notes): Ditto.
6961 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6962 (rest_of_handle_if_after_reload): Ditto.
6963 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6964 (tree_ssa_loop_im): Ditto.
6965 (tree_ssa_loop_unswitch): Ditto.
6966 (tree_vectorize): Ditto.
6967 (tree_linear_transform): Ditto.
6968 (tree_ssa_loop_ivcanon): Ditto.
6969 (tree_ssa_empty_loop): Ditto.
6970 (tree_ssa_loop_bounds): Ditto.
6971 (tree_complete_unroll): Ditto.
6972 (tree_ssa_loop_prefetch): Ditto.
6973 (tree_ssa_loop_ivopts): Ditto.
6974 (tree_ssa_loop_done): Ditto.
6975 * predict.c (tree_estimate_probability): Ditto.
6976 * recog.c (split_all_insns_noflow): Ditto.
6977 (rest_of_handle_peephole2): Ditto.
6978 (rest_of_handle_split_all_insns): Ditto.
6979 * tree-eh.c (lower_eh_constructs): Ditto.
6980 * regmove.c (rest_of_handle_regmove): Ditto.
6981 (rest_of_handle_stack_adjustments): Ditto.
6982 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6983 * function.c (instantiate_virtual_regs): Ditto.
6984 (init_function_for_compilation): Ditto.
6985 (rest_of_handle_check_leaf_regs): Ditto.
6986 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6987 (rest_of_handle_gcse): Ditto.
6988 * ipa-type-escape.c (type_escape_execute): Ditto.
6989 * alias.c (rest_of_handle_cfg): Ditto.
6990 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6991 * profile.c (rest_of_handle_branch_prob): Ditto.
6992 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6993 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6994 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6995 * tree-dfa.c (find_referenced_vars): Ditto.
6996 * except.c (set_nothrow_function_flags): Ditto.
6997 (convert_to_eh_region_ranges): Ditto.
6998 (rest_of_handle_eh): Ditto.
6999 * emit-rtl.c (unshare_all_rtl): Ditto.
7000 (remove_unnecessary_notes): Ditto.
7001 * except.h (set_nothrow_function_flags): Ditto.
7002 (convert_to_eh_region_ranges): Ditto.
7003 * cfgexpand.c (tree_expand_cfg): Ditto.
7004 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7005 * tree-ssa-pre.c (do_pre): Ditto.
7006 (execute_fre): Ditto.
7007 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7008 (rest_of_handle_jump2): Ditto.
7009 * tree-sra.c (tree_sra): Ditto.
7010 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7011 (execute_mudflap_function_decls): Ditto.
7012 * tree-ssa-copy.c (do_copy_prop): Ditto.
7013 (do_store_copy_prop): Ditto.
7014 * ipa-prop.h (ipcp_driver): Ditto.
7015 * cfglayout.c (insn_locators_initialize): Ditto.
7016 * tree-ssa-forwprop.c
7017 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7018 * cfglayout.h (insn_locators_initialize): Ditto.
7019 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7020 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7021 (execute_late_warn_uninitialized): Ditto.
7022 * rtl.h (cleanup_barriers): Ditto.
7023 (split_all_insns_noflow): Ditto.
7024 (purge_line_number_notes): Ditto.
7025 (unshare_all_rtl): Ditto.
7026 (remove_unnecessary_notes): Ditto.
7027 (recompute_reg_usage): Ditto.
7028 (variable_tracking_main): Ditto.
7029 * integrate.c (emit_initial_value_sets): Ditto.
7030 * integrate.h (emit_initial_value_sets): Ditto.
7031 * tree-optimize.c (execute_free_datastructures): Ditto
7032 (execute_free_cfg_annotations): Ditto.
7033 (execute_fixup_cfg): Ditto.
7034 (execute_cleanup_cfg_pre_ipa): Ditto.
7035 (execute_cleanup_cfg_post_optimizing): Ditto.
7036 (execute_init_datastructures): Ditto.
7037 * tree-object-size.c (compute_object_sizes): Ditto.
7038 * combine.c (rest_of_handle_combine): Ditto.
7039 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7040 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7041 (rest_of_handle_reorder_blocks): Ditto.
7042 (rest_of_handle_partition_blocks): Ditto.
7043 * var-tracking.c (variable_tracking_main): Ditto.
7044 * tree-profile.c (tree_profiling): Ditto.
7045 * tree-vect-generic.c (expand_vector_operations): Ditto.
7046 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7047 * sched-rgn.c (rest_of_handle_sched): Ditto.
7048 (rest_of_handle_sched2): Ditto.
7049 * basic-block.h (free_bb_insn): Ditto.
7050 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7051 * tree-cfg.c (execute_build_cfg): Ditto.
7052 (remove_useless_stmts): Ditto.
7053 (split_critical_edges): Ditto.
7054 (execute_warn_function_return): Ditto.
7055 (execute_warn_function_noreturn): Ditto.
7056 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7057 * cfgrtl.c (free_bb_for_insn): Ditto.
7058 * passes.c (execute_one_pass): Run additional
7059 todos returned by execute function.
7060 * tree-pass.h (struct tree_opt_pass): Make execute
7063 2006-03-02 Richard Guenther <rguenther@suse.de>
7065 * tree-ssa-alias.c (find_used_portions): Consider taking
7066 the address as making the variable not write-only.
7068 2006-03-02 Nick Clifton <nickc@redhat.com>
7070 * config.gcc (default_use_cxa_atexit): Extend the description of
7071 this configure variable. Set its default value to "yes" for
7072 Linux, NetBSD and ELF targets on the assumption that they will
7073 use C libraries with the __cxa_atexit function.
7075 2006-03-02 Ben Elliston <bje@au.ibm.com>
7077 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7078 parameter as unused to suppress a build warning.
7080 2006-03-02 Ben Elliston <bje@au.ibm.com>
7082 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7085 2006-03-01 Roger Sayle <roger@eyesopen.com>
7088 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7089 declared name, the weak reference name, and the typeof name.
7090 (__gthrw): Avoid expanding the declared name suffix.
7091 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7093 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7095 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7097 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7098 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7099 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7100 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7101 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7102 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7103 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7104 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7105 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7106 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7107 (DW_END_default, DW_END_big, DW_END_little): New.
7108 (DW_END_lo_user, DW_END_hi_user): Define.
7109 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7110 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7111 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7114 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7116 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7118 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7120 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7122 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7124 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7125 to 'symbol_mem_tag'.
7127 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7130 2006-03-01 Roger Sayle <roger@eyesopen.com>
7132 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7134 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7137 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7138 MACHO_DYNAMIC_NO_PIC_P.
7139 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7141 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7144 * config/darwin-protos.h (darwin_asm_output_anchor):
7146 * config/darwin-sections.def (cstring_section):
7147 Add SECTION_MERGE to the flags.
7148 (literal4_section): Likewise.
7149 (literal8_section): Likewise.
7150 (objc_selector_refs_section): Likewise.
7151 (objc_cls_refs_section): Likewise.
7152 * config/darwin.c (darwin_asm_output_anchor): New
7154 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7156 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7158 Fix PR tree-optimization/26443
7159 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7160 to todo and PROP_tmt_usage to properties_destroyed.
7161 * tree-ssa-ccp.c (pass_ccp): Ditto.
7162 (pass_store_ccp): Ditto.
7163 * tree-ssa-dom.c (pass_dominator): Ditto.
7165 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7167 * tree-ssa-operands.c: Cleanup whitespace.
7168 (get_asm_expr_operands): Move before first invocation.
7169 (get_indirect_ref_operands): Likewise.
7170 (get_tmr_operands): Likewise.
7171 (get_call_expr_operands): Likewise.
7172 (append_def): Likewise.
7173 (append_use): Likewise.
7174 (append_v_may_def): Likewise.
7175 (append_v_must_def): Likewise.
7176 (add_call_clobber_ops): Likewise.
7177 (add_call_read_ops): Likewise.
7178 (add_stmt_operand): Likewise.
7179 (add_virtual_operand): Likewise.
7180 (build_ssa_operands): Likewise.
7182 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7187 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7188 with a call expr to ...
7189 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7191 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7193 * tree-vrp.c (extract_range_from_assert): Remove special
7194 handling for types with super-types.
7196 2006-03-01 Ben Elliston <bje@au.ibm.com>
7198 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7199 and powerpc64-*-linux* configurations.
7200 * config/t-dfprules: New file.
7202 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7203 Compile dfp-bit.c from the source directory using -DWIDTH and
7204 $DFP_CFLAGS to control the compilation of that file, rather than
7205 generating width-specific versions in the build directory.
7206 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7207 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7209 2006-02-28 Zack Weinberg <zackw@panix.com>
7211 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7214 2006-02-28 Eric Christopher <echristo@apple.com>
7216 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7217 Set up IN_LIBGCC definition of TARGET_64BIT.
7218 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7220 2006-02-28 Roger Sayle <roger@eyesopen.com>
7223 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7224 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7225 cases via the construction of "expr != 0".
7227 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7229 * alias.c (alias_invariant, alias_invariant_size): Remove.
7230 (record_base_value): Remove.
7231 (memrefs_conflict_p): Don't look at alias_invariant.
7232 (end_alias_analysis): Don't free it.
7233 * alias.h (record_base_value): Remove prototype.
7235 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7236 Adam Nemet <anemet@caviumnetworks.com>
7238 * rtl.h (truncated_to_mode): Declare it.
7239 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7240 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7241 (RTL_HOOKS_INITIALIZER): Include it.
7242 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7243 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7244 reg_truncated_to_mode.
7245 * rtlanal.c (truncated_to_mode): Define it.
7246 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7248 2006-02-28 Jeff Law <law@redhat.com>
7250 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7251 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7252 the range allowed by TYPE_PRECISION.
7254 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7256 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7258 PR tree-optimization/26419
7259 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7262 2006-02-27 Zack Weinberg <zackw@panix.com>
7264 * doc/md.texi: Fix typo in previous change.
7266 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7270 2006-02-27 Zack Weinberg <zackw@panix.com>
7272 * rtl.def (define_constraint, define_register_constraint)
7273 (define_memory_constraint, define_address_constraint): New MD forms.
7274 * gensupport.c (process_rtx): Put define_constraint etc on the
7276 * genpreds.c (process_define_predicate): Adjust comment. Validate
7277 the name, and call validate_exp to validate the expression.
7278 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7279 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7280 all callers changed.
7281 (validate_exp, needs_variable, struct constraint_data)
7282 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7283 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7284 (const_dbl_constraints, constraint_max_namelen)
7285 (have_register_constraints, have_memory_constraints)
7286 (have_address_constraints, have_address_constraints)
7287 (have_extra_constraints, have_const_int_constraints)
7288 (have_const_dbl_constraints, mangle, add_constraint)
7289 (process_define_constraint, process_define_register_constraint)
7290 (write_enum_constraint_num, write_lookup_constraint)
7291 (write_insn_constraint_len, write_regclass_for_constraint)
7292 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7293 (write_insn_extra_memory_constraint)
7294 (write_insn_extra_address_constraint)
7295 (write_satisfies_constraint_fns): New.
7296 (write_tm_preds_h): If we have new-style constraint definitions,
7297 prototype the functions generated from them, and define the
7298 old constraint interface (still used by generic code) in terms of
7300 (write_insn_preds_c): If we have new-style constraint definitions,
7301 generate all relevant functions from those definitions.
7302 (main): Handle define_constraint etc.
7303 * genoutput.c (struct constraint_data, indep_constraints)
7304 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7305 (mdep_constraint_len): New data structures and functions, defined
7306 #ifdef USE_MD_CONSTRAINTS.
7307 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7308 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7309 use new logic to validate operand constraints against constraint
7311 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7313 * defaults.h: If none of the old-style constraint macros are
7314 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7315 old-style macros; and poison REG_CLASS_FROM_LETTER,
7316 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7318 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7319 * doc/md.texi: Document new constraint-definition mechanism and the
7320 C interface it provides. Remove references to old mechanism
7321 elsewhere in the document.
7322 (Machine Constraints): Use pathnames relative to gcc directory,
7323 i.e. config/ARCH/FILE. Change i386 section to refer to
7324 config/i386/predicates.md; update that section to match docstrings.
7325 * doc/tm.texi: Move all documentation of the old constraint-
7326 definition macros to their own section, clearly mark as obsolete.
7328 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7329 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7331 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7332 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7333 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7335 (splits and peepholes): Use satisfies_constraint_*.
7336 * config/i386/i386.c (memory_address_length)
7337 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7339 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7341 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7342 scalar operation to be put back into the loop.
7344 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7347 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7348 (extract_cie_info): Handle S flag in augmentation string.
7349 (execute_cfa_program): If context->signal_frame, execute also
7350 fs->pc == context->ra instructions.
7351 (uw_frame_state_for): If context->signal_frame, don't subtract one
7352 from context->ra to find FDE.
7353 (uw_update_context_1): Set context->signal_frame to
7355 (_Unwind_GetIPInfo): New function.
7356 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7357 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7359 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7360 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7361 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7362 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7363 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7364 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7365 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7366 x86_64_fallback_frame_state): Set fs->signal_frame.
7367 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7368 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7369 (frob_update_context): Likewise. Workaround missing S flag in
7370 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7371 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7372 Remove the psw_addr + 1 hack.
7374 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7376 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7377 with aggregates here.
7378 (find_func_aliases): Remove code for &<aggregate> from here.
7380 2006-02-26 Roger Sayle <roger@eyesopen.com>
7382 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7383 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7384 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7387 2006-02-26 Roger Sayle <roger@eyesopen.com>
7390 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7392 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7394 * opts.c (decode_options): Do not handle flag_strength_reduce.
7395 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7396 and OPT_fstrength_reduce.
7397 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7398 flag_prefetch_loop_arrays for being nonzero.
7399 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7401 (fprefetch-loop-arrays-rtl): Removed.
7402 (flag_prefetch_loop_arrays): Do not specify the value.
7404 * doc/passes.texi: Update documentation of loop optimizer
7406 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7407 -frerun-loop-opt): Remove.
7409 2006-02-26 Richard Guenther <rguenther@suse.de>
7411 PR tree-optimization/26421
7412 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7413 in function calls that are ADDR_EXPRs as using the whole structure.
7415 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7417 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7418 * tree-pass.h (pass_loop_optimize): Remove.
7419 * passes.c (pass_loop_optimize): Never run it.
7420 * toplev.c (backend_init): Don't call init_loop.
7421 * opts.c (flag_loop_optimize_set): Remove.
7422 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7423 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7424 the old RTL loop optimizer when profiling enabled.
7425 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7426 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7427 pre-headers for the sake of the old RTL loop optimizer.
7428 * Makefile.in: Remove all references to loop.o.
7430 * doc/invoke.texi: Remove all references to -floop-optimize
7431 and -frerun-loop-opt.
7433 2006-02-26 Zack Weinberg <zackw@panix.com>
7435 * doc/md.texi (Machine Constraints): Refer to all files with paths
7436 relative to gcc directory (i.e. config/CPU/file). Add missing
7437 @table @code ... @end table to M32C subsection.
7439 2006-02-26 Roger Sayle <roger@eyesopen.com>
7441 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7443 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7445 2006-02-26 Roger Sayle <roger@eyesopen.com>
7446 James A. Morrison <phython@gcc.gnu.org>
7449 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7450 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7451 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7452 signedness of the shift operation.
7454 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7456 PR tree-optimization/26359
7457 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7459 2006-02-25 Roger Sayle <roger@eyesopen.com>
7461 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7462 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7463 as X == 0, and some symmetry related transformations.
7464 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7466 2006-02-25 Roger Sayle <roger@eyesopen.com>
7469 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7470 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7471 symmetry related transformations. Fold (X^C1) == C2 as
7474 2006-02-25 Juergen Weigert <jw@suse.de>
7475 Richard Guenther <rguenther@suse.de>
7477 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7479 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7481 * combine.c (gen_lowpart_or_truncate): Call
7482 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7484 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7486 * doc/invoke.texi: Move -fopenmp description to "Options for
7488 Remove reference to -lgomp.
7490 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7492 * doc/install.texi: Require GNU tar version 1.14.
7494 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7496 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7497 * doc/invoke.texi (C++ Dialect Options): Document
7498 -fno-use-cxa-get-exception-ptr.
7499 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7500 * configure: Regenerate.
7501 * c.opt (fuse-cxa-get-exception-ptr): New.
7502 * c-opts.c (c_common_handle_option): Handle
7503 OPT_fuse_cxa_get_exception_ptr.
7504 * c-common.c (flag_use_cxa_atexit): Update documentation.
7505 (flag_use_cxa_get_exception_ptr): New.
7506 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7507 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7509 (C_COMMON_OVERRIDE_OPTIONS): New.
7511 2006-02-24 Roger Sayle <roger@eyesopen.com>
7514 * combine.c (try_combine): Explicitly check whether GET_CODE is
7515 a SET or a CLOBBER, instead on checking that it isn't a USE.
7517 2006-02-24 Roger Sayle <roger@eyesopen.com>
7519 * fold-const.c (fold_comparison): New subroutine of fold_binary
7520 containing transformations common to both the equality and
7521 ordering relational operators, factored out of fold_binary.
7522 (fold_binary): Separate out the equality operators (EQ_EXPR
7523 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7524 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7525 transformations common to both.
7526 (fold_div_compare): Fix latent bugs in the previously unreachable
7527 LT_EXPR and GE_EXPR cases.
7529 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7531 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7532 decl libname for clog to __clog on AIX.
7534 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7536 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7539 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7540 output traceback table for thunks. Localise rs6000_stack_info call.
7542 2006-02-23 Roger Sayle <roger@eyesopen.com>
7543 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7545 * gthr-posix.h (__gthrw): Fix typo in comment.
7547 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7549 * doc/cpp.texi (Character sets): Document that we do support
7550 input files to be in any character set.
7552 2006-02-23 Jeff Law <law@redhat.com>
7554 * tree.h (PHI_ARG_NONZERO): Remove.
7555 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7556 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7557 node to the new node.
7559 PR tree-optimization/26425
7560 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7561 min/max, then assume its varying.
7563 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7565 PR rtl-optimization/26316
7566 * rtlanal.c (enum may_trap_p_flags): New.
7567 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7568 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7569 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7570 (may_trap_after_code_motion_p): New function.
7571 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7572 (find_invariant_insn): Use may_trap_after_code_motion_p.
7573 * rtl.h (may_trap_after_code_motion_p): Declare.
7575 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7577 * emit-rtl.c (immed_double_const): Cleanup.
7579 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7581 Fix PR tree-optimization/26376
7582 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7585 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7588 * gimplify.c (omp_add_variable): Guard variable size decl test with
7589 DECL_SIZE (decl) check.
7591 2006-02-23 Richard Guenther <rguenther@suse.de>
7594 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7595 like aggregate types.
7597 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7599 * configure.ac: Add --with{,out}-long-double-128 configure option.
7600 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7601 * configure: Rebuilt.
7602 * config.in: Rebuilt.
7603 * doc/install.texi (Options specification): Document
7604 --with-long-double-128.
7606 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7607 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7608 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7609 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7611 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7613 * config/s390/s390.c (override_options): Handle
7614 TARGET_DEFAULT_LONG_DOUBLE_128.
7616 * config/alpha/alpha.c (override_options): Handle
7617 TARGET_DEFAULT_LONG_DOUBLE_128.
7619 * config/sparc/sparc.c (sparc_override_options): Handle
7620 TARGET_DEFAULT_LONG_DOUBLE_128.
7622 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7624 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7625 (real-install-headers-tar, real-install-headers-cpio)
7626 (real-install-headers-cp): New targets.
7628 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7630 * tree.h (variable_section): Delete.
7631 * varasm.c (variable_section): Delete.
7633 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7635 * install.texi: Add notes on install.texi2html.
7636 (Building in parallel): Do not use footnotes.
7638 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7641 * doc/install.texi (Configuration): Document --disable-libgomp.
7643 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7645 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7647 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7649 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7650 (vec_extractv2df_0_sse): New.
7652 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7654 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7655 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7656 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7657 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7658 to the result of the expression.
7659 (def_cfa_1): Adjust.
7660 (frame_pointer_cfa_offset): Rename to...
7661 (frame_pointer_fb_offset): ... this. Adjust all uses.
7662 (convert_cfa_to_loc_list): Rename to...
7663 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7664 Pass it on to build_cfa_loc.
7665 (compute_frame_pointer_to_cfa_displacement): Rename to...
7666 (compute_frame_pointer_to_fb_displacement): ... this. New
7667 offset parameter. Use it in computation.
7668 (gen_subprogram_die): Compute cfa_fb_offset with the new
7669 macro, and use it to compute the fb loc list and the
7672 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7674 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7675 replaced with register_operand.
7676 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7677 non-DREG is expensive.
7678 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7679 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7682 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7684 * doc/install.texi2html: Use set -e.
7686 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7688 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7689 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7690 * doc/invoke.texi (-fshared-data): Delete.
7691 * common.opt (fshared-data): Delete.
7692 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7693 (assemble_static_space): Remove #if 0 code.
7694 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7695 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7696 * config/cris/cris.h: Remove FIXME.
7698 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7700 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7703 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7706 * combine.c (simplify_shift_const_1): Disable nested shifts
7707 optimization for vector shifts.
7709 2006-02-20 Roger Sayle <roger@eyesopen.com>
7711 PR tree-optimization/26361
7712 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7713 of unsigned integer types.
7715 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7717 * tree-chrec.c (eq_evolutions_p): New.
7718 * tree-chrec.h (eq_evolutions_p): Declared.
7719 * tree-data-ref.c: Fix formatting.
7720 (datadep_stats, dependence_stats): New.
7722 (print_direction_vector): New.
7723 (dump_data_dependence_relation): Use print_direction_vector.
7724 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7725 (compute_subscript_distance): Static.
7726 (initialize_data_dependence_relation): Static. Get the number
7727 of loops surrounding the references from the callers, and initialize
7728 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7729 base_object_differ_p analyzers.
7730 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7731 compute_overlap_steps_for_affine_1_2,
7732 analyze_subscript_affine_affine): Count the classified dependences.
7733 Print a message when a test failed.
7734 (can_use_analyze_subscript_affine_affine): New.
7735 (analyze_siv_subscript): Compute the data dependences on symbolic
7736 scevs that verify can_use_analyze_subscript_affine_affine.
7737 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7738 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7739 Handle symbolic scevs.
7740 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7742 (subscript_dependence_tester): Moved...
7743 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7744 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7745 DDR_SIZE_VECT instead of getting it in parameter.
7746 (subscript_dependence_tester): ... here. Take as a parameter
7747 loop_nest_depth. Call build_classic_dist_vector and
7748 build_classic_dir_vector.
7749 (compute_affine_dependence): Update subscript_dependence_tester
7750 parameters. Update datadep_stats counters. Call
7751 compute_subscript_distance.
7752 (compute_self_dependence): Save the dist and dir vectors. Call
7753 compute_subscript_distance.
7754 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7755 (compute_all_dependences): Reorder parameters as they were before
7756 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7757 compute_subscript_distance. Update the use of
7758 compute_affine_dependence and initialize_data_dependence_relation.
7759 (find_data_references_in_loop): Handle COMPONENT_REF.
7760 (compute_data_dependences_for_loop): Initialize dependence_stats.
7761 Don't call build_classic_dist_vector and build_classic_dir_vector.
7762 Update the parameters of initialize_data_dependence_relation and
7763 compute_all_dependences. Print the statistics from datadep_stats.
7764 (analyze_all_data_dependences): Static. Not used until the pass for
7765 checking the data dependences is contributed.
7766 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7767 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7768 (initialize_data_dependence_relation, compute_affine_dependence,
7769 analyze_all_data_dependences, compute_subscript_distance): Removed.
7770 (print_direction_vector): New.
7771 * lambda.h (gcd): ... here.
7772 (lambda_vector_gcd): Moved here from gcd_vector.
7773 * lambda-code.c (gcd, gcd_vector): Removed.
7774 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7775 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7777 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7779 * ipa-type-escape.c: Tidy some comments and white space.
7780 * tree-ssa-operands.c: Likewise.
7782 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7785 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7786 (dump_decl_name): Do not walk the decl tree chains.
7787 * tree-pass.h (TDF_CHAIN): Remove.
7789 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7791 * Makefile.in (C): Remove
7793 (.PHONY): Remove C and PROTO
7795 2006-02-20 Roger Sayle <roger@eyesopen.com>
7798 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7799 deprecated CHAR_TYPE tree code.
7801 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7803 * configure.ac (target_list): Add install-info, dvi, html.
7804 * configure: Regenerate.
7806 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7807 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7808 treelang/Make-lang.in: Do not use double-colon rules.
7810 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7812 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7813 (TMT_USED_ALONE): New macro.
7814 * tree-pass.h (PROP_tmt_usage): New property.
7815 (TODO_update_tmt_usage): New todo.
7816 * tree-ssa-alias.c (updating_used_alone): New variable.
7817 (recalculate_used_alone): New function.
7818 (compute_may_aliases): Set updating_used_alone, call
7819 recalculate_used_alone.
7820 * tree-sra.c (pass_sra): Note that this pass destroys
7821 PROP_tmt_usage, and add TODO_update_tmt_usage.
7822 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7823 * tree-flow.h (updating_used_alone): Prototype.
7824 (recalculate_used_alone): Ditto.
7825 * passes.c (execute_todo): Add code to set updating_used_alone,
7826 and call recalculate.
7827 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7828 for clobber if used alone, and add assert to verify used_alone
7831 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7833 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7834 for non tls symbols added.
7835 (legitimize_address): Do nothing for PLUS expressions if one of the
7836 addends is a tls symbol reference.
7838 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7842 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7844 * Makefile.in (BOOTSTRAPPING): New.
7845 (quickstrap): New definition if BOOTSTRAPPING=yes.
7847 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7848 * configure.ac: Substitute all_selected_languages with the languages
7849 that were configured. For all the other variables except
7850 lang_specs_files, include all the languages in the tree.
7851 * configure: Regenerate.
7853 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7854 if there is one. Run the commands to run fixincludes in the same
7857 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7858 * doc/install.texi: Document exact conventions for searching target tools.
7859 Document --with-build-time-tools. Document toplevel bootstrap. Document
7860 something more about building an Ada cross-compiler. Don't list GNU Make
7861 requirements which affect all platforms.
7863 2006-02-19 Roger Sayle <roger@eyesopen.com>
7866 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7867 only equivalent if the have both the same mode and precision.
7869 2006-02-20 Ben Elliston <bje@au.ibm.com>
7871 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7873 2006-02-19 Roger Sayle <roger@eyesopen.com>
7874 Steven Bosscher <stevenb.gcc@gmail.com>
7876 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7877 constant pool references to identify stack mode constants.
7878 * rtlanal.c (constant_pool_constant_p): New predicate to check
7879 whether operand is a floating point constant in the pool.
7880 * rtl.h (constant_pool_constant_p): Prototype here.
7881 * loop.c (scan_loop): Avoid hoisting constants from the constant
7882 pool on STACK_REGS targets.
7883 (load_mems): Likewise.
7884 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7885 loads into x87 registers expensive in terms of register pressure.
7887 2006-02-19 Roger Sayle <roger@eyesopen.com>
7889 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7890 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7892 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7894 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7895 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7897 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7899 * doc/invoke.texi: Document -fipa-pta.
7900 * common.opt: Add ipa-pta option.
7901 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7902 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7903 (do_ds_constraint): Ditto.
7904 (get_constraint_for): Only add to referenced_vars if
7905 referenced_vars exists.
7906 (insert_into_field_list): Rewrite to do this unsorted.
7907 (insert_into_field_list_sorted): Rename old insert_into_field_list
7909 (create_function_info_for): Use insert_into_field_list_sorted.
7910 (create_variable_info_for): Rewrite so it uses unsorted version,
7911 since the field list is sorted.
7912 (intra_create_variable_infos): Only add to referenced_vars if
7913 referenced_vars exists.
7914 (ipa_pta_execute): Init heapvars, and delete when done.
7915 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7917 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7919 * doc/install.texi: Add missing `@samp'.
7921 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7923 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7926 2006-02-18 Mark Wielaard <mark@klomp.org>
7928 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7929 who added new 4.1 features, bug fixes and integration support.
7931 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7934 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7937 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7939 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7940 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7941 (copy_insn_1): Likewise. Don't copy each field individually.
7943 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7945 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7946 * rtl.c (rtx_size): Rename variable to...
7947 (rtx_code_size): ...this.
7948 (rtx_size): New function.
7949 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7950 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7952 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7953 * rtl.h (rtx_code_size): New variable.
7954 (rtx_size): Change from a variable to a function.
7955 (RTX_SIZE): Rename to...
7956 (RTX_CODE_SIZE): ...this.
7959 PR tree-optimization/17106
7960 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7961 (Anchored Addresses): New section.
7962 * doc/invoke.texi (-fsection-anchors): Document.
7963 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7964 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7965 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7966 * hooks.c (hook_bool_mode_rtx_false): New function.
7967 * hooks.h (hook_bool_mode_rtx_false): Declare.
7968 * gengtype.c (create_optional_field): New function.
7969 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7970 SYMBOL_REF_IN_BLOCK_P is true.
7971 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7972 (min_anchor_offset, max_anchor_offset): Likewise.
7973 (use_anchors_for_symbol_p): New hook.
7974 * toplev.c (compile_file): Call output_object_blocks.
7975 (target_supports_section_anchors_p): New function.
7976 (process_options): Check that -fsection-anchors is only used on
7977 targets that support it and when -funit-at-a-time is in effect.
7978 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7979 if the decl doesn't have one.
7980 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7981 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7982 of force_const_mem through use_anchored_address.
7983 (expand_expr_constant): New function.
7984 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7985 calling expand_expr for INDIRECT_REF.
7986 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7987 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7988 * expr.h (use_anchored_address): Declare.
7989 * loop-unroll.c: Don't declare rtx vectors here.
7990 * explow.c: Include output.h.
7991 (validize_mem): Call use_anchored_address.
7992 (use_anchored_address): New function.
7993 * common.opt (-fsection-anchors): New switch.
7994 * varasm.c (object_block_htab, anchor_labelno): New variables.
7995 (hash_section, object_block_entry_eq, object_block_entry_hash)
7996 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7997 (use_blocks_for_decl_p, change_symbol_section): New functions.
7998 (get_variable_section): New function, split out from assemble_variable.
7999 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8000 use_blocks_for_decl_p say so. Use change_symbol_section if the
8001 symbol has already been created.
8002 (assemble_variable_contents): New function, split out from...
8003 (assemble_variable): ...here. Don't output any code for
8004 block symbols; just pass them to place_block_symbol.
8005 Use get_variable_section and assemble_variable_contents.
8006 (get_constant_alignment, get_constant_section, get_constant_size): New
8007 functions, split from output_constant_def_contents.
8008 (build_constant_desc): Create a block symbol if use_object_blocks_p
8009 says so. Or into SYMBOL_REF_FLAGS.
8010 (assemble_constant_contents): New function, split from...
8011 (output_constant_def_contents): ...here. Don't output any code
8012 for block symbols; just pass them to place_section_symbol.
8013 Use get_constant_section and get_constant_alignment.
8014 (force_const_mem): Create a block symbol if use_object_blocks_p and
8015 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8016 (output_constant_pool_1): Add an explicit alignment argument.
8017 Don't switch sections here.
8018 (output_constant_pool): Adjust call to output_constant_pool_1.
8019 Switch sections here instead. Don't output anything for block symbols;
8020 just pass them to place_block_symbol.
8021 (init_varasm_once): Initialize object_block_htab.
8022 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8023 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8024 (place_block_symbol, get_section_anchor, output_object_block)
8025 (output_object_block_htab, output_object_blocks): New functions.
8026 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8027 (TARGET_ASM_OUT): Include it.
8028 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8029 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8030 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8031 (TARGET_INITIALIZER): Include them.
8032 * rtl.c (rtl_check_failed_block_symbol): New function.
8033 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8034 (block_symbol, object_block): New structures.
8035 (rtx_def): Add a block_symbol field to the union.
8036 (BLOCK_SYMBOL_CHECK): New macro.
8037 (rtl_check_failed_block_symbol): Declare.
8038 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8039 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8040 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8041 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8042 * output.h (output_section_symbols): Declare.
8043 (object_block): Name structure.
8044 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8045 (default_use_anchors_for_symbol_p): Declare.
8046 * Makefile.in (RTL_BASE_H): Add vec.h.
8047 (explow.o): Depend on output.h.
8048 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8049 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8050 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8051 (rs6000_use_blocks_for_constant_p): New function.
8053 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8055 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8057 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8060 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8063 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8065 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8069 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8072 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8073 instead of DECL_REGISTER.
8075 2006-02-18 Olivier Hainque <hainque@adacore.com>
8078 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8080 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8083 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8084 * opth-gen.awk: Handle Var and InverseMask together.
8085 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8086 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8087 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8088 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8090 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8091 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8092 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8093 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8094 LINUX_DYNAMIC_LINKER): Define.
8095 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8096 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8098 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8099 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8100 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8102 (TARGET_C99_FUNCTIONS): Don't define.
8103 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8104 GLIBC_DYNAMIC_LINKER.
8105 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8106 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8107 GLIBC_DYNAMIC_LINKER64): Define.
8108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8109 LINUX_DYNAMIC_LINKER64.
8110 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8112 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8114 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8116 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8117 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8118 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8120 and LINUX_DYNAMIC_LINKER32.
8121 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8122 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8123 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8124 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8125 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8127 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8128 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8129 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8130 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8131 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8132 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8133 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8134 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8135 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8136 LINUX_DYNAMIC_LINKER): Define.
8137 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8138 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8139 GLIBC_DYNAMIC_LINKER64): Define.
8140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8141 LINUX_DYNAMIC_LINKER64.
8142 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8143 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8144 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8145 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8146 LINUX_DYNAMIC_LINKER): Define.
8147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8148 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8149 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8150 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8151 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8152 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8153 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8154 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8155 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8156 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8158 * doc/invoke.texi (-muclibc): Remove caveat about supported
8161 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8163 * doc/cpp.texi (__TIMESTAMP__): Document.
8165 2006-02-17 Roger Sayle <roger@eyesopen.com>
8168 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8169 C is one less than the width of X (and related transformations).
8170 * simplify-rtx.c (simplify_unary_operation_1): Transform
8171 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8172 depending on STORE_FLAG_VALUE, were C is one less then the
8175 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8177 Fix PR tree-optimization/26341
8178 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8179 about NAME_MEMORY_TAG's.
8181 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8184 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8185 with hardware float support, and software float support. Add fcpy
8186 alternative to hardware patterns. Add alternatives to copy between
8187 general and floating-point registers to the 32-bit pattern.
8188 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8189 secondary reload to load a QI or HI mode constant into a floating
8191 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8192 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8194 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8197 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8199 (load_macho_picbase_di): Likewise.
8201 2006-02-16 Jeff Law <law@redhat.com>
8203 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8204 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8205 (ssa_name_nonzero_p): Likewise.
8206 (get_value_range): Return NULL if VRP is not running.
8207 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8208 VRP routines do not discover a range.
8209 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8210 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8211 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8212 (tree_expr_nonnegative_p): Similarly.
8213 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8214 (restore_nonzero_vars_to_original_value): Remove.
8215 (unsafe_associative_fp_binop): Remove.
8216 (tree_ssa_dominator_optimize): Remove initialization and
8217 finalization of nonzero_vars and nonzero_vars_stack.
8218 (dom_opt_initialize_block): No longer push marker on
8220 (dom_opt_finalize_block): No longer call
8221 restore_nonzero_vars_to_original_value.
8222 (record_equivalences_from_phis): No longer look for
8223 nonzero PHI arguments.
8224 (cprop_into_successor_phis): No longer propagate nonzero
8225 property into PHI arguments. Lose unused argument. Caller
8227 (record_equivalences_from_stmt): No longer record nonzero
8228 values for SSA_NAMEs.
8229 (lookup_avail_expr): No longer use nonzero_vars.
8231 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8232 for sizetype when sizetype is unsigned.
8234 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8236 PR rtl-optimization/25603
8237 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8238 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8239 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8240 with new meaning of SETS.
8242 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8247 * config/linux.opt: New file.
8248 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8249 LINUX_DYNAMIC_LINKER): Define.
8250 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8251 * config.gcc (*-*-linux*): Define extra_options.
8252 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8253 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8254 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8255 GLIBC_DYNAMIC_LINKER.
8256 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8257 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8258 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8260 * doc/invoke.texi (GNU/Linux Options): New section.
8262 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8264 * config/sparc/sparc.md (setjmp): Rewrite.
8265 (setjmp_32): Delete.
8266 (setjmp_64): Likewise.
8268 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8270 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8273 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8275 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8278 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8280 PR rtl-optimization/26296
8281 * Makefile.in (loop-invariant.c): Add except.h dependency.
8282 * loop-invariant.c: Include except.h.
8283 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8285 2005-02-16 Paul Brook <paul@codesourcery.com>
8287 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8290 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8292 PR rtl-optimization/25636
8293 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8294 when deciding whether an insn is an initializing insn.
8296 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8298 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8299 (tree_code_size): Ditto.
8300 * tree.h (struct tree_memory_tag): Remove parent_var.
8301 (struct tree_struct_field_tag): New.
8304 (union tree_node): Add sft member.
8305 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8307 (create_sft): Add size and offset argument, set SFT_OFFSET and
8309 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8310 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8311 * tree-flow-inline.h (get_subvar_at): Update for
8312 SFT_OFFSET/SFT_SIZE.
8313 (var_can_have_subvars): Ditto.
8314 (overlap_subvar): Ditto.
8315 * print-tree.c (print_node): Print out interesting things for
8317 * tree-flow.h (struct subvar): Remove offset and size members.
8318 * tree-ssa-operands.c (get_expr_operands): Update for
8319 get_indirect_ref_operands changes.
8320 (get_indirect_ref_operands): Call add_virtual_operand instead of
8321 add_stmt_operand. Only recurse on base var if requested.
8322 (access_can_touch_variable): New function.
8323 (add_stmt_operand): Split virtual operand handling into ...
8324 (add_virtual_operand): Here. Add offset, size, and for_clobber
8325 arguments. Prune alias sets.
8326 (add_call_clobber_ops): Call add_virtual_operand.
8328 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8331 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8333 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8334 than TREE_CODE as index into omp_clause_num_ops array.
8336 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8338 PR rtl-optimization/26184
8339 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8341 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8342 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8343 must_precede, must_follow and tobe_scheduled.
8346 * opts.c (common_handle_option): Free new_option pointer.
8347 * df-core.c (df_analyze): Free postorder pointer.
8349 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8351 * Makefile.in: Fix the examples about the use of stamps
8353 2006-02-15 Michael Matz <matz@suse.de>
8357 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8358 influenced by maximum_field_alignment or DECL_PACKED.
8359 (update_alignment_for_field): Ditto.
8360 (place_field): Ditto.
8361 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8364 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8366 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8367 (debug_flow_info): Pass it.
8368 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8369 * bb-reorder.c (reorder_basic_blocks): Likewise.
8370 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8371 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8372 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8373 * gcse.c (gcse_main, bypass_jumps): Likewise.
8374 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8375 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8376 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8377 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8378 * rtl.h (dump_flow_info): Adjust prototype.
8379 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8380 * var-tracking.c (variable_tracking_main): Likewise.
8381 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8382 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8385 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8387 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8390 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8392 PR tree-optimization/26209
8393 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8394 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8396 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8398 2006-02-14 Roger Sayle <roger@eyesopen.com>
8401 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8402 (X,Y) and the corresponding symmetry related transformations.
8403 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8404 (X,Y) and its symmetry related transformations.
8406 2006-02-14 Roger Sayle <roger@eyesopen.com>
8408 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8411 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8413 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8415 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8418 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8419 support COMDAT group.
8420 * configure: Regenerate.
8422 2006-02-14 Roger Sayle <roger@eyesopen.com>
8427 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8429 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8431 Fix PR tree-optimization/26260
8433 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8435 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8436 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8437 * tree-ssa-structalias.c (create_variable_info_for): Use
8438 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8440 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8442 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8444 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8445 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8446 of the ending condition.
8447 * tree-ssa-loop-manip.c: Include params.h.
8448 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8449 tree_unroll_loop): New functions.
8450 * tree-pass.h (pass_loop_prefetch): Declare.
8451 * loop.c (rest_of_handle_loop_optimize): Test for
8452 -fprefetch-loop-arrays-rtl.
8453 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8454 * timevar.def (TV_TREE_PREFETCH): New timevar.
8455 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8456 pass_loop_prefetch): New.
8457 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8458 (cleanup_tree_cfg_loop): Call scev_reset.
8459 * common.opt (fprefetch-loop-arrays-rtl): Add.
8460 * tree-ssa-loop-prefetch.c: New file.
8461 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8462 (new_temp_expr_table): Initialize expr_vars.
8463 (free_temp_expr_table): Cleanup expr_vars.
8464 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8465 expressions from being merged into one.
8466 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8467 (struct tree_niter_desc): Add control, bound and cmp fields.
8468 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8470 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8471 (tree-cfgcleanup.o): Add SCEV_H dependency.
8472 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8473 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8475 2006-02-14 Richard Guenther <rguenther@suse.de>
8477 PR tree-optimization/26258
8478 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8479 in PHI argument processing.
8481 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8483 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8484 new expression in the requested machine mode.
8486 2006-02-13 Roger Sayle <roger@eyesopen.com>
8488 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8489 directly, instead let do_compare_rtx_and_jump handle this for us.
8490 * expr.c (expand_expr_real_1): Likewise.
8491 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8492 before do_jump_by_parts_greater.
8493 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8494 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8496 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8498 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8500 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8502 PR rtl-optimization/26235
8503 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8504 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8507 2006-02-13 Jeff Law <law@redhat.com>
8509 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8512 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8515 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8516 twice if decl is a builtin. When trying again, call get_callee_fndecl
8517 first to verify it is still a builtin.
8519 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8521 * dwarf2out.c (base_type_die): Don't add AT_name here.
8522 (subrange_type_die): Don't add AT_name here.
8523 (modified_type_die): Rearrange code flow. Do add AT_name here.
8525 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8527 PR rtl-optimization/26247
8528 PR rtl-optimization/26248
8529 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8531 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8533 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8534 * config/fixtfdi.c: Likewise.
8535 * config/fixunstfdi.c: Likewise.
8536 * config/floatditf.c: Likewise.
8538 2006-02-13 Roger Sayle <roger@eyesopen.com>
8541 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8542 into (X,C2) if C1 is a subset of the bits of C2. Transform
8543 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8545 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8547 2006-02-13 Josh Conner <jconner@apple.com>
8550 * varasm.c (function_section): Check for section name before
8551 calling select_section on targets that define
8552 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8553 unlikely_text_section instead of hot_function_section if
8554 first_function_block_is_cold.
8556 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8559 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8561 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8563 PR rtl-optimization/26222
8564 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8565 after tree->rtl expansion.
8566 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8567 before passing it to emit_move_insn.
8569 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8571 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8573 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8574 Clarify documentation.
8575 * c-common.h (warn_write_strings): Remove.
8576 * c-common.c (warn_write_strings): Likewise.
8577 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8580 2006-02-12 Roger Sayle <roger@eyesopen.com>
8583 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8584 (do_jump_parts_zero_rtx): New function renamed from
8585 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8586 (do_jump_parts_equality_rtx): New function split out from
8587 do_jump_parts_equality. Old implementation renamed as above.
8588 Call do_jump_parts_zero_rtx if either operand is zero.
8589 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8590 do all of the heavy lifting.
8591 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8592 calling either do_jump_by_parts_greater_rtx or
8593 do_jump_by_parts_equality_rtx.
8594 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8595 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8596 moved to do_compare_rtx_and_jump, call it directly.
8597 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8598 mode argument. Call do_compare_rtx_and_jump.
8599 (emit_case_nodes): Update calls to do_jump_if_equal.
8601 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8603 PR rtl-optimization/26225
8604 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8606 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR rtl-optimization/26232
8609 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8611 2006-02-11 Jason Merrill <jason@redhat.com>
8614 * tree-inline.c (declare_return_variable): Just don't use the
8615 modify target if it's a gimple complex reg and the return slot
8618 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8620 * doc/contrib.texi: Update my entry.
8622 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8624 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8626 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8628 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8631 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8633 * doc/invoke.texi (-floop-optimize2): Removed.
8634 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8635 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8636 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8637 * common.opt (floop-optimize2): Removed.
8638 (fmove-loop-invariants): Enabled by default.
8640 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8642 * tree-if-conv.c (combine_blocks): Free the result of
8643 get_loop_exit_edges.
8645 2006-02-10 Jeff Law <law@redhat.com>
8647 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8649 PR tree-optimization/26213
8650 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8651 loop trying to follow SSA_NAME_VALUE chains.
8653 2006-02-10 Richard Guenther <rguenther@suse.de>
8655 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8656 deal with structures that end in implicitly variable sized arrays.
8658 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8660 PR rtl-optimization/24762
8661 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8664 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8666 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8667 (struct ivopts_data): Add regs_used field.
8668 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8669 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8670 instead of loop_data->regs_used;
8671 (free_loop_data): Do not free aux fields for loops.
8672 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8673 and tree_ssa_iv_optimize_finalize.
8675 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8677 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8679 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8682 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8683 computing the effective result type.
8685 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8688 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8689 (tree_overlaps_hard_reg_set): Declare.
8690 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8691 type and signature to match function type expected by walk_tree.
8692 (tree_overlaps_hard_reg_set): New function.
8693 (decl_conflicts_with_clobbers_p): Rename to:
8694 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8695 Use tree_overlaps_hard_reg_set. Changed caller.
8696 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8697 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8698 * cris.c (cris_md_asm_clobbers): Likewise.
8700 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8702 * reload1.c (emit_input_reload_insns): Delete code that tries to
8703 inherit using find_equiv_reg.
8705 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8707 * c-common.h (flag_const_strings): Don't declare.
8708 * c-common.c (flag_const_strings): Remove.
8709 * c.opt (fconst_strings): Remove.
8710 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8711 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8712 (c_common_init_options): Don't set flag_const_strings.
8713 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8715 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8717 * arm.md (tlobits_cbranch): New pattern.
8718 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8719 testing a single bit.
8721 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8724 * tree-ssa-pre.c (create_component_ref_by_pieces):
8725 Handle RETURN_DECL like VAR_DECL.
8727 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8730 * fold-const.c (fold_indirect_ref_1): Fold
8731 "*(foo *)&complexfoo" to "__real__ complexfoo"
8732 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8734 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8736 * tree-flow-inline.h (var_can_have_subvars):
8737 Volatile variables should not have subvariables.
8739 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8742 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8743 multiplying unsigned values.
8746 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8748 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8750 2006-02-08 Jason Merrill <jason@redhat.com>
8753 * tree.def: Elaborate on difference from MODIFY_EXPR.
8754 * doc/c-tree.texi (INIT_EXPR): Likewise.
8755 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8756 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8757 (gimplify_target_expr): Likewise.
8758 (gimplify_cond_expr): Remove target handling.
8759 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8760 (gimplify_expr): Clobber it here.
8761 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8762 Do return slot optimization if we have an INIT_EXPR.
8765 * tree-inline.c (declare_return_variable): Also clear
8766 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8769 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8772 * gimplify.c (gimplify_one_sizepos): Fix typo.
8774 2006-02-08 Jeff Law <law@redhat.com>
8776 PR tree-optimization/21417
8777 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8778 across a backedge if the control statement at the end of the
8779 block is data dependent on other statements in the same block.
8780 (record_temporary_equivalences_from_stmts): Remove over-conservative
8781 test for threading across backedges.
8783 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8784 control statement, handle all three special cases in the same
8785 manner as they all have the same desired solution. No longer
8786 special case edge flag updating when the post dominator is
8789 2006-02-08 Roger Sayle <roger@eyesopen.com>
8791 * tree.def (CHAR_TYPE): Remove.
8792 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8793 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8794 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8795 (gen_string_type_die): Delete unreachable function.
8797 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8798 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8799 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8800 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8801 * builtins.c (type_to_class): Likewise.
8802 * fold-const.c (fold_convert, build_range_check,
8803 merge_ranges): Likewise.
8804 * expr.c (count_type_elements): Likewise.
8805 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8806 * stor-layout.c (layout_type): Likewise.
8807 * ipa-type-escape.c (type_to_consider): Likewise.
8808 * gimplify.c (omp_firstprivatize_type_sizes,
8809 gimplify_type_sizes): Likewise.
8810 * explow.c (promote_mode): Likewise.
8811 * tree-sra.c (is_sra_scalar_type): Likewise.
8812 * varasm.c (output_constant): Likewise.
8813 * tree-inline.c (remap_type_1): Likewise.
8814 * convert.c (convert_to_pointer, convert_to_real,
8815 convert_to_integer, convert_to_complex): Likewise.
8817 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8819 * df-scan.c (df_def_record_1): A set destination may
8820 be a parallel regardless of mode.
8822 2006-02-08 Roger Sayle <roger@eyesopen.com>
8825 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8826 * config/mips/_tilib.c: Remove.
8827 * config/fixtfdi.c: New libgcc source file.
8828 * config/fixunstfdi.c: New source file.
8829 * config/floatditf.c: New source file.
8830 * config/floatunditf.c: New souce file.
8831 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8832 files above instead of config/mips/_tilib.c.
8833 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8835 2006-02-08 Jeff Law <law@redhat.com>
8837 PR tree-optimization/26169
8838 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8841 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8843 * df.h (DF_REG_SIZE): Return the length of the initialized
8846 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8848 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8849 __muldf3): Return a correctly signed zero.
8851 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8853 * passes.c (register_one_dump_file): Accept the current properties
8854 instead of pass number. Adjust call to dump_register. Remove
8856 (register_dump_files): Now a wrapper around...
8857 (register_dump_files_1): ... this one. Do not modify the pass
8859 (next_pass_1): Cosmetic fix.
8860 (execute_todo): Keep second parameter only. Use curr_properties
8861 instead of fetching it from the pass structure. Check and set
8863 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8864 instead of fetching it from the pass structure. Fix calls to
8865 execute_todo. Update curr_properties and initialize .vcg RTL dump
8866 after running the pass. Reset last_verified.
8867 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8869 (FIRST_AUTO_NUMBERED_DUMP): New.
8870 (dump_register): Remove "num" parameter, assign it within the
8872 (get_dump_file_name): Modify template for dumps.
8873 * tree-dump.h (dump_register): Adjust prototype.
8874 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8875 (PROP_trees): Add PROP_gimple_lomp.
8876 (TODO_set_props): New.
8877 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8878 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8879 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8881 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8883 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8884 (sparc64-*-linux*): Likewise.
8885 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8886 * config/sparc/t-linux: New file.
8887 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8888 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8889 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8890 -m32 -mlong-double-128.
8892 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8893 * config/alpha/t-linux: New file.
8894 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8896 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8897 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8898 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8899 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8900 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8901 (CPP_ARCH32_SPEC): Remove.
8903 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8905 PR tree-optimization/26145
8906 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8909 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8912 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8913 >= 240000 when generating code for SOM runtime.
8914 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8915 to $$dyncall when generating code for SOM runtime..
8917 2006-02-07 Dirk Mueller <dmueller@suse.com>
8920 * doc/invoke.texi (-Wsequence-point): Update documentation
8921 that -Wsequence-point is implemented for C++ as well.
8923 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8925 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8926 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8927 (LIB_SPEC): Likewise.
8928 * doc/invoke.texi (SPARC options): Document -pthread.
8930 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8932 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8935 2006-02-07 Roger Sayle <roger@eyesopen.com>
8937 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8938 Correct comment describing BOOLEAN_TYPE.
8940 2006-02-07 Dirk Mueller <dmueller@suse.com>
8942 * c.opt: C++ frontend supports -Wdiv-by-zero.
8943 * c-opts.c (c_common_handle_option): Remove dead case.
8945 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8947 * configure.ac (TLS assembler check): Do not enable TLS by
8948 default on SPARC/Solaris before version 10.
8949 * configure: Regenerate.
8951 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8953 * doc/invoke.texi (xl-compat): Document conversion and support
8956 2006-02-07 Jeff Law <law@redhat.com>
8958 * tree-vrp.c (find_conditional_asserts): Update comments.
8959 (simplify_stmt_for_jump_threading): New.
8960 (identify_jump_threads, finalize_jump_threads): New.
8961 (vrp_finalize): Call identify_jump_threads.
8962 (execute_vrp): Call finalize_jump_threads.
8963 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8964 (vrp_element, vrp_data, vrp_element_p): Remove.
8965 (vrp_hash_elt, vrp_variables_stack): Remove.
8966 (vrp_hash, vrp_eq, record_range): Remove.
8967 (simplify_cond_and_lookup_avail_expr): Remove.
8968 (extract_range_from_cond): Remove.
8969 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8970 (simplify_stmt_for_jump_threading): New.
8971 (dom_thread_across_edge): New wrapper.
8972 (tree_ssa_dominator_optimize): No longer initialize or
8973 finalize any of the VRP datastructures. Remove iteration
8974 step and simplify as a result of removal of iteration step.
8975 (pass_dominator): Perform a cfg cleanup after DOM.
8976 (dom_opt_finalize_block): Use the new common routines
8977 for threading jumps. Simplify stack management slightly.
8978 No longer need to unwind VRP state.
8979 (record_equivalences_from_incoming_edge): No longer record
8981 (eliminate_redundant_computations): No longer call
8982 simplify_cond_and_lookup_avail_expr.
8983 * tree-flow.h (potentially_threadable_block): Prototype.
8984 (thread_across_edge): Likewise.
8985 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8986 (tree-ssa-threadedge.o): Add dependencies.
8987 * tree-ssa-threadedge.c: New file.
8988 * passes.c (init_optimization_passes): Merge PHIs before
8989 calling VRP. Run VRP again late in the SSA optimization pipeline.
8991 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8993 * df-core.c (df_set_blocks): Do not dereference function pointers.
8994 (df_finish1): Likewise.
8995 (df_hybrid_search_forward): Likewise.
8996 (df_hybrid_search_backward): Likewise.
8997 (df_iterative_dataflow): Likewise.
8998 (df_analyze_problem): Likewise.
8999 (df_compact_blocks): Likewise.
9000 (df_dump): Likewise.
9001 * df-scan.c (df_rescan_blocks): Likewise.
9002 (df_record_entry_block_defs): Likewise.
9004 * genconditions.c (write_conditions): Guard the definition of
9005 'insn_conditions' with the check on GCC version.
9006 (write_writer): Guard the traversal 'insn_conditions' with
9007 the check on GCC version.
9009 2006-02-07 Richard Guenther <rguenther@suse.de>
9013 2006-01-30 Richard Guenther <rguenther@suse.de>
9015 * gimplify.c (gimplify_target_expr): Handle easy cases
9016 without creating a temporary.
9018 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9020 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9021 use of float in probability computations. Use edge probabilities
9022 in place of statically computed probabilities.
9023 (min_spec_prob): New static variable.
9024 (schedule_insns): Initialize it.
9025 (GET_SRC_PROB): Removed.
9026 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9028 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9031 * config/ia64/unwind-ia64.c: Revert last change.
9032 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9033 (INCOMING_FRAME_SP_OFFSET): Define.
9035 2006-02-06 Roger Sayle <roger@eyesopen.com>
9037 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9039 2006-02-07 Ben Elliston <bje@au.ibm.com>
9041 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9042 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9043 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9044 (ix86_return_in_memory): Handle TDmode.
9045 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9046 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9048 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9050 * reorg.c (dbr_schedule): Use dump_file instead of file.
9052 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9055 * config/ia64/predicates.md (extr_len_operand): New predicate.
9056 * config/ia64/ia64.md (extv): Tighten constraints.
9058 (*tbit_and_2): Ditto.
9059 (*tbit_and_3): Ditto.
9060 (*tbit_or_2): Ditto.
9061 (*tbit_or_3): Ditto.
9065 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9068 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9070 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9072 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9073 loop_optimizer_init and loop_optimizer_finalize
9074 * tree-ssa-sink.c (execute_sink_code): Ditto.
9075 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9076 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9077 tree_ssa_loop_done): Ditto.
9078 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9079 * sched-ebb.c: Include output.h.
9080 (schedule_ebbs): Do not use dump argument.
9081 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9082 * loop.c (loop_dump_stream): Removed.
9083 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9085 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9086 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9087 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9088 loop_iterations, strength_reduce, record_biv, record_giv,
9089 final_giv_value, check_final_value, check_ext_dependent_givs,
9090 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9091 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9092 dump_file instead of loop_dump_stream.
9093 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9095 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9097 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9098 * haifa-sched.c: Include output.h
9099 (schedule_insns, sched_init): Do not use dump argument.
9100 * mode-switching.c (optimize_mode_switching): Ditto.
9101 * modulo-sched.c (stats_file): Removed.
9102 (print_node_sched_params): Do not call argument dump_file.
9103 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9104 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9106 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9108 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9109 rtl_loop_init, rtl_loop_done): Ditto.
9110 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9111 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9113 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9114 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9115 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9116 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9117 * emit-rtl.c (renumber_insns): Ditto.
9118 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9119 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9120 * regclass.c (regclass): Ditto.
9121 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9122 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9123 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9124 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9126 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9127 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9129 * gcse.c (gcse_file, debug_stderr): Removed.
9130 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9131 rest_of_handle_gcse): Do not use dump argument.
9132 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9133 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9134 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9135 compute_code_hoist_vbeinout, compute_code_hoist_data,
9136 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9137 compute_store_table, build_store_vectors, insert_insn_start_bb,
9138 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9139 store_motion): Use dump_file instead of gcse_file.
9140 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9141 * profile.c (profile_dump_file): Removed.
9142 (branch_prob): Use dump_file instead of profile_dump_file.
9143 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9145 * tree-ssa-copy.c (dump_copy_of): Ditto.
9146 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9147 dump file to life_analysis.
9148 * bt-load.c (branch_target_load_optimize): Ditto.
9149 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9151 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9152 regclass, dbr_schedule): Declaration changed.
9153 * sched-int.h (sched_init): Declaration changed.
9154 * tree-profile.c (tree_profile_dump_file): Removed.
9155 (tree_profile_hooks): Removed profile_dump_file hook.
9156 * rtl-profile (rtl_profile_dump_file): Removed.
9157 (rtl_profile_hooks): emoved profile_dump_file hook.
9158 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9160 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9161 * tree-cfg.c (build_tree_cfg): Ditto.
9162 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9163 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9164 Declaration changed.
9165 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9166 life_analysis and schedule_insns.
9167 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9169 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9171 * config/mips/mips.c (mips_reorg): Ditto.
9172 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9175 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9177 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9178 (s390_mangle_fundamental_type): New.
9179 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9182 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9183 (alpha_mangle_fundamental_type): New.
9184 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9187 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9189 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9191 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9192 (sparc_mangle_fundamental_type): New.
9194 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9196 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9197 (s390x-*-linux*): Likewise.
9198 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9199 * config/s390/t-linux: New file.
9201 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9203 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9204 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9206 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9208 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9209 (ANTIC_SAFE_LOADS): New macro.
9210 (find_or_generate_expression): Add prototype.
9211 (set_contains_value): Allow null set for sake of not always having
9212 to allocate ANTIC_SAFE_LOADS.
9213 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9214 Allow COMPONENT_REF too.
9215 (valid_in_set): Allow COMPONENT_REF.
9216 Check ANTIC_SAFE_LOADS too.
9217 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9218 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9220 (can_PRE_operation): Add COMPONENT_REF.
9221 (create_component_ref_by_pieces): New function.
9222 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9223 (insert_aux): Move AGGREGATE_TYPE_P check here.
9224 (compute_avail): Set bb local stmt uids.
9225 (pass_pre): Use TODO_update_ssa_only_virtuals.
9227 2006-02-06 Ben Elliston <bje@au.ibm.com>
9229 * configure.ac: Unconditionally disable decimal float by default.
9230 * configure: Regenerate.
9232 2006-02-06 Ben Elliston <bje@au.ibm.com>
9234 * read-rtl.c (read_name): Terminate reading on EOF.
9236 2006-02-06 Ben Elliston <bje@au.ibm.com>
9238 * dfp.c (decimal_real_arithmetic): Change second argument type
9239 from int to enum tree_code. Do not always return true, but now
9240 return result of any call to decimal_do helper functions.
9241 * dfp.h (decimal_real_arithmetic): Update prototype.
9243 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9245 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9247 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9250 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9253 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9255 * tree-vrp.c (cfg_loops): Removed.
9256 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9257 Use current_loops instead of cfg_loops. Pass flags to
9258 loop_optimizer_init.
9259 * cfgloopmanip.c (fix_loop_structure): Update only available
9261 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9262 loop_optimizer_init.
9263 * modulo-sched.c (build_loops_structure): Removed.
9264 (sms_schedule): Use loop_optimizer_init.
9265 * loop-init.c (loop_optimizer_init): Use flags to determine
9266 which properties of loops to prepare.
9267 (rtl_loop_init): Pass flags to loop_optimizer_init.
9268 * tree-ssa-sink.c (execute_sink_code): Ditto.
9269 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9270 * tree-ssa-pre.c (init_pre): Ditto.
9271 * cfgloop.h (LOOPS_NORMAL): New.
9272 (loop_optimizer_init): Declaration changed.
9274 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9276 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9277 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9279 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9281 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9283 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9284 * pa/t-pa64: Delete quadlib.c rule.
9285 * pa/x-ada: Revert last change.
9286 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9288 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9290 PR rtl-optimization/26087
9291 * rtlanal.c (canonicalize_condition): Do not cross basic block
9294 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9297 * config/ia64/ia64.c: Include debug.h.
9298 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9299 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9300 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9301 (process_epilogue, process_set, process_for_unwind_directive):
9302 Output unwind info only if requested. Add CFA info if requested.
9303 Add new arguments as needed. Adjust callers.
9304 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9306 (DWARF2_FRAME_INFO): Define to zero.
9307 * config/ia64/unwind-ia64.c: Remove code that compensated for
9308 the CFA offset error fixed above.
9309 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9310 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9311 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9312 -funwind-tables and -fexceptions to enable frame info.
9313 (dwarf2out_frame_init): Define initial CFA even if
9314 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9315 DWARF2_UNWIND_INFO is nonzero, not just defined.
9316 (dwarf2out_frame_finish): Output non-EH call frame info only
9317 if DWARF2_FRAME_INFO is nonzero.
9318 (convert_cfa_to_loc_list,
9319 compute_frame_pointer_to_cfa_displacement): Define even if
9320 unwind info is not supported.
9321 (gen_subprogram_die): Use the above unconditionally. Remove
9322 legacy alternate code.
9323 * toplev.c (compile_file): Compile in call to
9324 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9325 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9327 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9328 Jakub Jelinek <jakub@redhat.com>
9330 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9331 IBM extended float format long double as "g" on powerpc*-linux.
9333 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9336 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9337 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9339 2006-02-03 Jason Merrill <jason@redhat.com>
9342 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9345 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9346 on the return slot if it's an NRV.
9348 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9350 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9351 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9352 rewrite_use): Do not handle USE_OUTER.
9353 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9354 add_iv_outer_candidates, may_replace_final_value,
9355 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9356 (find_interesting_uses_op): Functionality of
9357 find_interesting_uses_outer_or_nonlin moved here.
9358 (find_interesting_uses_outside): Use find_interesting_uses_op.
9360 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9363 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9365 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9366 Ulrich Weigand <uweigand@de.ibm.com>
9369 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9370 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9371 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9372 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9374 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9375 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9376 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9377 Define secondary reloads for TFmode moves.
9378 (constant_modes): Add TFmode.
9379 (NR_C_MODES): Set to 8.
9380 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9382 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9383 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9384 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9385 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9386 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9387 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9388 (FPR mode macro): Add TFmode.
9389 (DSF mode macro): New.
9390 (<de>, <dee> mode attributes): Removed.
9391 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9392 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9393 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9394 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9395 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9396 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9397 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9398 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9399 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9400 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9401 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9402 "*negabs<mode>2", "sqrt<mode>2"):
9403 Changed <de> to <xde>. R constraint replaced by <Rf>.
9404 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9406 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9407 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9408 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9410 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9411 "extenddftf2", "extendsftf2"): New expanders.
9412 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9413 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9414 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9415 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9417 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9418 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9419 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9420 __floatditf): Add a GCC_4.1.0 symbol version tag.
9421 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9424 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9427 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9428 Use targetm.binds_local_p instead of TREE_PUBLIC.
9430 2006-02-02 Roger Sayle <roger@eyesopen.com>
9432 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9433 on INTEGER_TYPEs to indicate that it denotes a character type.
9434 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9435 signed_char_type_node, unsigned_char_type_node and char_type_node.
9436 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9437 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9438 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9440 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9441 Daniel Berlin <dberlin@dberlin.org>
9443 * tree-tailcall.c (arg_needs_copy_p): New function.
9444 (eliminate_tail_call): Use arg_needs_copy_p.
9445 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9446 (add_virtual_phis): New function.
9448 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9450 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9451 #ignore instead of #scratch for %g7 .register directive.
9453 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9455 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9458 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9460 * flow.c (calculate_global_regs_live): Assert that there aren't any
9463 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9465 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9467 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9468 bsi_after_labels iterator.
9469 * tree-if-conv.c (find_phi_replacement_condition,
9470 replace_phi_with_cond_modify_expr): Likewise.
9471 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9472 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9474 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9476 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9478 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9481 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9482 array after growing it.
9484 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9487 * fold-const.c (fold_checksum_tree): Change type of buf.
9489 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9491 * reload.c (push_secondary_reload): Initialize t_icode.
9493 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9495 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9496 -msoft-float -mlong-double-128 only issue a warning, but don't
9497 swich to DFmode long double.
9499 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9501 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9502 has a constant equivalent, iterate over equivalents for arg0,
9503 calling simplify_relational_operation and if there's a result
9504 cheaper than X, apply fold_rtx and return the result.
9506 2006-02-01 Jan Hubicka <jh@suse.cz>
9508 * opts.c (no_unit_at_a_time_default): New global variable.
9509 (decode_options): Use it.
9510 * opts.h (no_unit_at_a_time_default): Declare.
9512 2006-02-01 Paul Brook <paul@codesourcery.com>
9514 * function.c (assign_parm_setup_reg): Use function argument promotion
9516 * expr.c (expand_expr_real_1): Use function argument promotion rules
9519 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9521 * gcc.c (process_command): Change j to 'unsigned int'.
9523 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9526 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9527 Use the corrected index for the character
9528 out of the string constant.
9530 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9532 * mode-switching.c (optimize_mode_switching): Fix size
9533 allocated for bb_info[n_entities].
9535 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9537 * gcc.c (main): Correct type that is allocated for
9538 explicit_link_files.
9540 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9542 * config/s390/s390.c (init_alignment_context): Set
9543 ALIAS_SET_MEMORY_BARRIER on the MEM.
9544 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9546 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9549 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9551 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9554 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9556 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9557 * regrename.c: Ditto.
9558 * tree-ssa-loop-im.c: Ditto.
9559 * tree-dump.c: Ditto.
9560 * tree-complex.c: Ditto.
9561 * genrecog.c: Ditto.
9562 * tree-ssa-threadupdate.c: Ditto.
9564 * java/class.c: Ditto.
9565 * java/jcf-parse.c: Ditto.
9566 * java/resource.c: Ditto.
9567 * java/except.c: Ditto.
9568 * java/jvspec.c: Ditto.
9569 * java/jcf-write.c: Ditto.
9570 * java/jcf-path.c: Ditto.
9571 * java/gjavah.c: Ditto.
9572 * java/zextract.c: Ditto.
9573 * java/jcf-io.c: Ditto.
9574 * java/jcf.h: Ditto.
9575 * java/buffer.c: Ditto.
9576 * java/lang.c: Ditto.
9577 * java/parse-scan.y: Ditto.
9578 * java/lex.c: Ditto.
9579 * java/lex.h: Ditto.
9580 * cfgloopmanip.c: Ditto.
9581 * postreload-gcse.c: Ditto.
9582 * tree-ssa-loop-manip.c: Ditto.
9583 * postreload.c: Ditto.
9584 * tree-ssa-loop-ch.c: Ditto.
9588 * diagnostic.c: Ditto.
9590 * genoutput.c: Ditto.
9592 * cfghooks.c: Ditto.
9593 * cfgloopanal.c: Ditto.
9594 * objc/objc-act.c: Ditto.
9596 * genextract.c: Ditto.
9597 * genautomata.c: Ditto.
9598 * pretty-print.c: Ditto.
9600 * cgraphunit.c: Ditto.
9603 * haifa-sched.c: Ditto.
9604 * dominance.c: Ditto.
9606 * tree-ssa-loop-ivopts.c: Ditto.
9608 * mode-switching.c: Ditto.
9609 * modulo-sched.c: Ditto.
9611 * ipa-pure-const.c: Ditto.
9613 * fix-header.c: Ditto.
9615 * tree-stdarg.c: Ditto.
9616 * ipa-utils.c: Ditto.
9617 * loop-init.c: Ditto.
9618 * ipa-inline.c: Ditto.
9621 * alloc-pool.c: Ditto.
9622 * dwarf2out.c: Ditto.
9624 * genattrtab.c: Ditto.
9625 * tree-ssa-loop-ivcanon.c: Ditto.
9629 * fortran/gfortranspec.c: Ditto.
9631 * local-alloc.c: Ditto.
9632 * langhooks.c: Ditto.
9633 * function.c: Ditto.
9634 * tree-vectorizer.c: Ditto.
9636 * ipa-type-escape.c: Ditto.
9638 * tree-if-conv.c: Ditto.
9641 * tree-data-ref.c: Ditto.
9642 * loop-unroll.c: Ditto.
9643 * treelang/treetree.c: Ditto.
9646 * ggc-common.c: Ditto.
9648 * coverage.c: Ditto.
9650 * tree-cfgcleanup.c: Ditto.
9651 * tree-ssa-pre.c: Ditto.
9652 * cfgcleanup.c: Ditto.
9653 * loop-invariant.c: Ditto.
9655 * ipa-prop.c: Ditto.
9656 * print-tree.c: Ditto.
9657 * conflict.c: Ditto.
9658 * ggc-page.c: Ditto.
9659 * sched-deps.c: Ditto.
9660 * regclass.c: Ditto.
9661 * tree-object-size.c: Ditto.
9663 * bb-reorder.c: Ditto.
9664 * resource.c: Ditto.
9665 * var-tracking.c: Ditto.
9667 * df-problems.c: Ditto.
9668 * reg-stack.c: Ditto.
9671 * sched-rgn.c: Ditto.
9672 * tree-ssa-structalias.c: Ditto.
9673 * tree-ssa-reassoc.c: Ditto.
9674 * config/darwin-c.c: Ditto.
9675 * config/darwin.c: Ditto.
9676 * config/arm/arm.c: Ditto.
9678 * collect2.c: Ditto.
9681 2006-01-31 Nicolas Pitre <nico@cam.org>
9683 * arm.md (smaxsi3): Make aware of smax_m1.
9686 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9688 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9690 2006-01-31 Richard Guenther <rguenther@suse.de>
9692 * doc/invoke.texi (-msselibm): Document.
9693 * target.h (expand_library_builtin): New target hook.
9694 * builtins.c (expand_builtin): Use expand_library_builtin.
9695 (default_expand_library_builtin): New function.
9696 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9697 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9698 (link_gcc_math_spec): Declare.
9699 (static_specs): Add link_gcc_math_spec.
9700 * expr.h (default_expand_library_builtin): Declare.
9701 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9702 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9703 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9704 * config/i386/i386.opt (msselibm): New target option.
9705 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9706 (ix86_init_sse_abi_builtins): New function.
9707 (ix86_expand_library_builtin): Likewise.
9708 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9709 (override_options): Handle error conditions wrt -msselibm.
9710 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9711 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9712 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9715 2006-01-31 Richard Guenther <rguenther@suse.de>
9716 Paolo Bonzini <bonzini@gnu.org>
9718 * doc/install.texi (--disable-libgcc-math): Document.
9720 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9722 * expr.h (expand_normal): new inline function.
9723 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9725 * dwarf2out.c: use it.
9730 * config/sparc/sparc.c: use it.
9731 * config/i386/i386.c: use it.
9732 * config/rs6000/rs6000.c: use it.
9733 * config/arm/arm.c: use it.
9734 * config/mips/mips.c: use it.
9735 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9737 2006-01-30 Roger Sayle <roger@eyesopen.com>
9739 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9740 argv to the appropriate type.
9742 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9744 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9747 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9750 * config/s390/s390.c (struct machine_function): New flag
9751 decomposed_literal_pool_addresses_ok_p.
9752 (s390_reorg): Set it before final stage of literal pool transforms.
9753 (s390_decompose_address): Only accept displacements of the form
9754 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9756 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9758 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9759 the comparison routine return.
9761 2006-01-30 Michael Matz <matz@suse.de>
9763 * global.c (find_reg): Only evict for global regs.
9764 Take n_refs into account and dump more info.
9766 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9769 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9770 (pragma_trap, pragma_nosave_low_regs): Likewise.
9771 (current_function_anonymous_args): Likewise.
9772 (sh_deferred_function_attributes): New variable.
9773 (sh_deferred_function_attributes_tail): Likewise.
9774 (print_operand): For '@', look up trap_exit attribute.
9775 (calc_live_regs): Look up trapa_handler attribute. For trapa
9776 handlers, save/restore fpscr, but don't do any other
9777 interrupt-specific saves.
9778 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9779 Fix check for partially saved registers to check for SHmedia.
9780 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9781 (sh_output_function_epilogue): Don't clear any of the removed
9783 (sh_insert_attributes): Don't check pragma_interrupt.
9784 Insert deferred attributes. Check that interrupt attribute is
9785 present for other attributes that require its presence.
9786 (sh_attribute_table): Add new attributes trapa_handler and
9788 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9789 Don't check for pragma_interrupt. Don't store argument.
9790 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9791 (sh_deferred_function_attributes): Declare.
9792 (sh_deferred_function_attributes_tail): Likewise.
9793 * sh.md (sp_switch_1): Add operand. Change generator caller.
9794 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9795 (*return_i): Don't use when trap_exit attribute is in effect.
9796 (*return_trapa): New insn pattern.
9798 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9799 setting c_target_objs and cxx_target_objs.
9800 * t-sh: Add rule for sh-c.o.
9802 2006-01-30 Richard Guenther <rguenther@suse.de>
9805 * gimplify.c (gimplify_target_expr): Handle easy cases
9806 without creating a temporary.
9808 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9810 * vec.h (safe_grow): Remove duplicated line.
9812 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9815 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9816 (expand_omp): ... here.
9817 (expand_omp_parallel): Only remove barriers for combined
9818 parallel+workshare constructs.
9820 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9824 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9825 * tree.c (build_qualified_type): Chain the new type to the original
9826 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9827 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9828 (build_pointer_type_for_mode): Only return unqualified types.
9829 (build_reference_type_for_mode): Likewise.
9831 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9833 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9834 * Makefile.in (CXX_COMPAT_WARN): Define.
9835 * configure: Regenerate.
9837 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9840 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9843 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9845 * toplev.c: Fix thinko.
9847 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9848 Marcin Dalecki <martin@dalecki.de>
9850 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9851 (push_srcloc): Use XNEW.
9852 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9854 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9856 * df-core.c (df_set_blocks): Deleted all variable.
9858 2006-01-28 Ian Lance Taylor <ian@airs.com>
9860 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9861 cgraph_output_pending_asms.
9863 2006-01-28 Zack Weinberg <zackw@panix.com>
9865 * c.opt: Add -W(no-)overlength-strings.
9866 * doc/invoke.texi: Document it.
9867 * c-opts.c (c_common_handle_option): -pedantic implies
9868 -Woverlength-strings, if not explicitly disabled already.
9869 (c_common_post_options): -Woverlength-strings defaults to off, and
9870 is always off for C++.
9871 * c-common.c (fix_string_type): Issue warning about strings longer
9872 than is portable only if warn_overlength_strings. Rearrange code
9873 a little for clarity.
9874 * configure.in: Check for -Wno-overlength-strings as well before
9875 enabling -pedantic in stage 1.
9876 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9877 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9879 * genconditions.c (write_header, write_one_condition)
9880 (write_conditions, write_writer): Consolidate very long strings
9881 that were broken up to fit in C89 portable limit. Don't use
9882 printf when fputs will do.
9884 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9886 * combine.c (simplify_comparison <AND>): Check
9887 TRULY_NOOP_TRUNCATION before start using a subreg.
9889 * config/mips/mips.md (*branch_zero<mode>,
9890 *branch_zero<mode>_inverted, *branch_equality<mode>,
9891 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9892 Remove mode check from comparisons.
9894 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9896 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9898 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9900 * expmed.c (const_mult_add_overflow_p): Remove.
9901 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9903 * recog.c (validate_replace_rtx_subexp): Remove.
9904 * recog.h: Remove the prototype for
9905 validate_replace_rtx_subexp.
9907 * integrate.h: Remove the prototype for
9908 copy_decl_for_inlining.
9909 * rtl.h: Remove the prototype for mark_constant_function.
9910 * tree-vectorizer.h: Remove the prototype for
9911 vect_strip_conversion.
9913 * modulo-sched.c (create_partial_schedule,
9914 free_partial_schedule, reset_partial_schedule): Make them
9917 * hooks.c (hook_bool_rtx_int_false): Remove.
9918 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9920 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9922 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9923 and -mlong-double-128 are incompatible.
9924 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9925 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9926 (TARGET_LIBGCC2_CFLAGS): Define.
9927 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9928 (TARGET_LIBGCC2_CFLAGS): Same.
9929 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9931 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9934 * c-typeck.c (build_binary_op): Perform implicit casts of
9935 operands before shortening them.
9937 * cfgloopmanip.c (split_loop_bb): Remove.
9938 * cfgloop.h: Remove the prototype for split_loop_bb.
9940 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9941 * cfgloop.h: Remove the prototype for
9942 flow_loop_outside_edge_p.
9944 * emit-rtl.c (init_virtual_regs): Make it static.
9945 * function.h: Remove the prototype for init_virtual_regs.
9947 * recog.c (peephole2_optimize): Make it static.
9948 * recog.h: Remove the prototype for peephole2_optimize.
9950 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9952 * df-scan.c (df_record_entry_block_defs): Check if
9953 INCOMING_RETURN_ADDR_RTX is defined.
9955 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9956 Kenneth Zadeck <zadeck@naturalbridge.com>
9958 PR rtl-optimization/24762
9959 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9960 * targhooks.c (hook_void_bitmap): New hook prototype.
9961 * targhoohs.h (hook_void_bitmap): Ditto.
9962 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9963 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9964 * target.h (live_on_entry): New function pointer.
9965 * df-scan.c (df_all_hard_regs): Removed.
9966 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9967 (df_scan_free_internal): Added df->entry_block_defs.
9968 (df_scan_alloc): Ditto.
9969 (df_scan_dump): Ditto.
9970 (df_uses_record): Plumbed flag field properly thru calls.
9971 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9972 This part fixes PR24762.
9973 (df_bb_refs_record): Added code to make the frame and arg
9974 pointers live in EH blocks.
9975 (df_refs_record): Added call to df_record_entry_block_defs.
9976 (df_record_entry_block_defs): New function.
9977 * df-core.c: Added comments to describe new artifical defs.
9978 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9979 (entry_block_defs): New field in struct df.
9980 (df_all_hard_regs): Deleted.
9981 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9982 * df-problems.c (df_ru_bb_local_compute_process_def):
9983 Added code to handle artifical defs in the entry to a function.
9984 (df_ru_bb_local_compute): Ditto.
9985 (df_rd_bb_local_compute_process_def): Ditto.
9986 (df_rd_bb_local_compute): Ditto.
9987 (df_lr_bb_local_compute): Ditto.
9988 (df_ur_bb_local_compute): Ditto.
9989 (df_urec_bb_local_compute): Ditto.
9990 (df_chain_create_bb): Ditto.
9991 (df_ur_local_finalize): Removed entry.
9992 (df_urec_init): Ditto.
9993 (df_urec_local_finalize): Ditto.
9994 (df_ri_bb_compute): Added detection of last use of pseudos.
9995 * Makefile.in (df-scan.o): Updated dependencies.
9996 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9997 * config/mips/mips.c (mips_set_live_on_entry): Added.
9998 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10000 * dce.c (marked_insn_p): Added code to handle artifical defs.
10002 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10004 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10006 (_mm_cvtsi128_si64): Likewise.
10007 (_mm_cvtsd_si64): Likewise.
10008 (_mm_cvttsd_si64): Likewise.
10009 (_mm_cvtsi64_sd): Likewise.
10010 (_mm_cvtsi64_si128): Likewise.
10011 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10012 (_mm_cvtsi64_m64): Likewise.
10013 (_m_to_int64): Likewise.
10014 (_mm_cvtm64_si64): Likewise.
10015 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10016 (_mm_cvttss_si64): Likewise.
10017 (_mm_cvtsi64_ss): Likewise.
10018 (_mm_cvtss_f32): Likewise.
10020 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10022 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10023 for pragma redefine_extname.
10025 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10028 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10029 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10030 -mno-minimal-toc to previous content.
10031 (bispecs): Remove goal.
10032 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10033 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10034 compatibility aliases on powerpc-*-*gnu*.
10035 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10036 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10037 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10038 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10039 (ldblspecs): New goal.
10040 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10041 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10043 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10044 L_sf_to_tf or L_df_to_tf is defined.
10046 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10047 Alan Modra <amodra@bigpond.net.au>
10050 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10051 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10052 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10053 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10054 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10055 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10056 (rs6000_override_options): Initialize rs6000_ieeequad.
10057 Initialize TFmode format to ibm_extended_format if not
10059 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10061 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10062 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10063 (function_arg_advance): IBM long double passed in two FPRs, not
10065 (function_arg): IBM long double passed in FPRs.
10066 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10067 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10068 Only multireg GPR aligned.
10069 (rs6000_init_libfuncs): Enable IBM long double functions if not
10071 (rs6000_generate_compare): Use IBM long double compare if not
10073 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10074 (TARGET_IEEEQUAD): Define.
10075 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10076 not TARGET_IEEEQUAD.
10077 * config/rs6000/rs6000.md: Enable TFmode patterns if
10079 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10080 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10081 and -mlong-double-128 are incompatible.
10082 * doc/invoke.texi (-mabi): Collect options together. Add
10083 ibmlongdouble and ieeelongdouble.
10085 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10087 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10089 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10090 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10091 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10092 * rtl.h (rtunion_def): Remove rt_ptr.
10094 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10095 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10096 * config/i386/winnt.c (i386_pe_mark_dllexport)
10097 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10099 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10101 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10103 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10107 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10108 pthread_key_delete. From John David Anglin. gthrw-ify
10109 pthread_getunique_np only if it it's not a macro. Delete
10111 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10112 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10113 __gthread_objc_condition_signal, __gthread_key_delete): Add
10114 "__attribute__ ((__unused__))" to unused arguments.
10115 (__gthread_recursive_mutex_init_function): Add missing return.
10116 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10117 gthr-posix95.h: Use macro-based approach for name redirection
10118 on targets missing weakref.
10120 2006-01-26 Zack Weinberg <zackw@panix.com>
10122 * genconditions.c (write_header): In generated code, #ifdef out
10123 all includes and fake declarations, except includes of bconfig.h
10124 and system.h, unless GCC_VERSION >= 3001. Do not include
10125 gensupport.h in any case.
10126 (write_conditions): Generate a definition of struct c_test. Add
10127 a comment to the generated #endif.
10128 (write_one_condition): Escape backslashes in string too.
10129 (write_writer): Generated code must escape backslashes and quote
10130 marks (but not newlines) in the strings it writes.
10131 * Makefile.in (build/gencondmd.o): Update dependencies.
10133 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10136 * Makefile.in (insn-automata.o): Add header file dependencies.
10137 * genautomata.c: Add includes.
10139 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10142 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10144 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10146 * configure.ac: Expect target tools paths to be passed from the toplevel
10147 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10149 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10151 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10154 * c.opt (Wpointer-sign): Init to -1.
10155 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10156 OPT_pedantic, to 0 otherwise.
10157 * doc/invoke.texi: Update.
10159 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10161 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10162 constants provided by 80387 instructions in the destination mode.
10164 2006-01-26 Richard Guenther <rguenther@suse.de>
10165 Andrew Pinski <pinskia@physics.uc.edu>
10168 partial PR tree-opt/17064
10169 * tree-ssa-structalias.c (intra_create_variable_infos):
10170 Create heap variables for incoming parameters if
10171 flag_argument_noalias > 1.
10172 (find_what_p_points_to): Look through default defs of
10175 2006-01-26 Jeff Law <law@redhat.com>
10178 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10179 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10180 within the VR_RANGE, use the VR_RANGE as the result, not the
10182 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10183 bounds for the type.
10185 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10187 * tree-ssa-alias.c (maybe_create_global_var): Change
10188 subvar walking to an assertion that we don't have subvar'd variables.
10190 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10193 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10194 Use a new variable, inner. PARM_DECLs are always non-weak.
10196 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10198 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10199 --disable-checking.
10201 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10203 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10205 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10207 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10208 (smax_insn, smin_insn, smax_0, smin_0): New.
10210 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10213 * config/cris/cris.c (cris_order_for_addsi3): New function.
10214 * config/cris/cris-protos.h: Prototype it.
10215 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10216 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10217 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10218 (split for "op.S1 [rx=rx+i],ry (swapped)")
10219 (split for "op(s|u).S1 [rx=rx+i],ry")
10220 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10221 Apply cris_order_for_addsi3 when generating addsi3 insns.
10223 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10225 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10226 (TREE_BLOCK): Add call to EXPR_CHECK.
10228 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10231 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10232 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10233 (dump_omp_clauses): ... here.
10234 (dump_generic_node): Handle OMP_CLAUSE.
10235 * tree.c (omp_clause_num_ops): New.
10236 (omp_clause_code_name): New.
10237 (tree_code_size): Handle OMP_CLAUSE.
10238 (tree_size): Likewise.
10239 (make_node): Document handling of OMP_CLAUSE.
10240 (tree_node_structure): Handle OMP_CLAUSE.
10241 (omp_clause_check_failed): New.
10242 (omp_clause_range_check_failed): New.
10243 (omp_clause_operand_check_failed): New.
10244 (build_omp_clause): New.
10245 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10246 * tree.h (enum omp_clause_code): Declare.
10247 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10248 (OMP_CLAUSE_RANGE_CHECK): Define.
10249 (OMP_CLAUSE_ELT_CHECK): Define.
10250 (omp_clause_check_failed): Declare.
10251 (omp_clause_operand_check_failed): Declare.
10252 (omp_clause_range_check_failed): Declare.
10253 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10254 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10255 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10256 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10257 (OMP_CLAUSE_IF_EXPR): Likewise.
10258 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10259 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10260 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10261 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10262 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10263 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10264 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10265 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10266 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10267 (OMP_CLAUSE_CODE): Define.
10268 (OMP_CLAUSE_SET_CODE): Define.
10269 (OMP_CLAUSE_CODE): Define.
10270 (OMP_CLAUSE_OPERAND): Define.
10271 (struct tree_omp_clause): Declare.
10272 (union tree_node): Add field 'omp_clause'.
10273 * treestruct.def (TS_OMP_CLAUSE): Define.
10274 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10275 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10276 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10277 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10278 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10279 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10280 (OMP_CLAUSE): Define.
10281 * print-tree.c (print_node): Handle OMP_CLAUSE.
10282 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10283 * c-typeck.c: Likewise.
10284 * gimplify.c: Likewise.
10285 * c-omp.c: Likewise.
10286 * tree-nested.c: Likewise.
10287 * tree-inline.c: Likewise.
10288 * c-parser.c: Likewise.
10289 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10292 2006-01-25 Roger Sayle <roger@eyesopen.com>
10294 PR rtl-optimization/25703
10295 * combine.c (try_combine): Handle zero_extract and strict_low_part
10296 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10298 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10300 * global.c: Fix comment typos.
10302 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10305 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10306 Use output_addr_const instead of assemble_name.
10308 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10310 * Makefile.in (sched-vis.o): Update dependencies.
10311 * haifa-sched.c (sched_finish): Clear current_sched_info.
10312 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10313 (dump_flow_info): Call it.
10314 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10316 * basic-block.h (dump_bb_info): Declare.
10317 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10318 option, and apply options only for dump files whose TDF_RTL,
10319 TDF_TREE, or TDF_IPA bits match.
10320 * rtl.h: Declare new functions exported from sched-vis.c.
10321 * sched-vis.c: Enable also if scheduling is not used.
10322 (print_value): Print the mode of registers if not inside scheduling.
10323 (print_insn): Make it work outside the scheduler. Beautify the output
10325 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10327 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10329 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10330 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10331 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10332 depending on the value of CONSTANT_POOL_ADDRESS_P.
10333 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10335 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10336 rather than SYMBOL_REF_DECL.
10337 (rtx_constant_pool): Remove const_rtx_sym_htab.
10338 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10339 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10340 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10341 Remove handling of const_rtx_sym_htab.
10342 (find_pool_constant): Delete.
10343 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10344 rather than find_pool_constant.
10345 (get_pool_constant_for_function): Delete.
10346 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10347 find_pool_constant.
10348 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10349 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10350 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10351 (SYMBOL_REF_CONSTANT): New macro.
10352 (get_pool_constant_for_function): Delete.
10353 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10354 rather than SYMBOL_REF_DECL.
10355 (i386_pe_mark_dllimport): Likewise.
10356 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10357 rather than SYMBOL_REF_DECL.
10358 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10359 (machopic_indirect_call_target): Likewise.
10361 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10363 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10365 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10367 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10369 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10371 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10373 2006-01-24 David Daney <ddaney@avtrex.com>
10376 * configure.ac (enable_tls): New enable option.
10377 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10378 * configure: Regenerate.
10379 * doc/install.texi (--enable-tls): Document new option.
10380 (--disable-tls): Ditto.
10382 2006-01-24 Richard Henderson <rth@redehat.com>
10384 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10385 * alias.c (true_dependence): Respect it.
10386 (canon_true_dependence, write_dependence_p): Likewise.
10387 * builtins.c (get_builtin_sync_mem): Set it.
10389 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10391 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10394 2006-01-24 DJ Delorie <dj@redhat.com>
10396 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10397 for storing constants in single-bit bitfields.
10399 2006-01-25 Ben Elliston <bje@au.ibm.com>
10401 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10403 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10406 * tree-ssa-pre.c (phi_translate): Return NULL
10407 for AGGREGATE_TYPE's.
10409 2006-01-24 Zack Weinberg <zackw@panix.com>
10411 * genautomata.c (process_state_for_insn_equiv_partition):
10412 Use xcalloc for insn_arcs_array.
10413 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10414 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10416 2006-01-24 Richard Henderson <rth@redhat.com>
10418 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10419 update all callers.
10421 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10423 PR rtl-optimization/25890
10424 PR rtl-optimization/25905
10425 * combine.c (expand_compound_operation, expand_field_assignment):
10426 Fail if the bitfield's final position is out of bounds.
10428 2006-01-24 Ian Lance Taylor <ian@airs.com>
10430 PR middle-end/25930
10431 * cgraphunit.c (cgraph_output_in_order): Don't clear
10432 cgraph_asm_nodes until after asm strings have been output.
10434 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10436 * fix-header.c (read_scan_file): Add new parameter imultilib when
10437 calling register_include_chains.
10439 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10441 * omp-low.c: Update documentation.
10443 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10444 Daniel Berlin <dberlin@dberlin.org>
10448 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10449 return from the function.
10451 2006-01-22 Zack Weinberg <zackw@panix.com>
10453 * rtl.def (match_code): Add second argument.
10454 * genpreds.c (write_extract_subexp): New function.
10455 (write_match_code): Add path argument. Use write_extract_subexp.
10456 (write_predicate_expr): Pass path to write_match_code.
10457 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10458 not perform a mode test.
10459 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10460 a subexpression does not constrain the top-level code set.
10461 * read-rtl.c (read_rtx_variadic): New function.
10462 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10463 * doc/md.texi: Document new notation.
10464 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10465 (cmpsi_operand): ... here, using new notation.
10467 2006-01-22 Zack Weinberg <zackw@panix.com>
10469 * varray.c: Remove GENERATOR_FILE #ifdefs.
10471 2006-01-22 Zack Weinberg <zackw@panix.com>
10473 * genautomata.c (output_reserved_units_table): Emit nothing if
10474 description->query_units_num is zero. Remove extra blank line.
10475 (output_cpu_unit_reservation_p): Short circuit
10476 if description->query_units_num is zero.
10478 2006-01-22 Zack Weinberg <zackw@panix.com>
10480 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10481 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10482 nor any of the random handful of variables that used to be necessary
10483 when this program was linked with rtlanal.o. Prune set of forward
10484 function declarations.
10485 (struct attr_desc): Remove static_p field.
10486 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10487 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10488 (attr_string): Do not read the character one past the length of
10490 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10491 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10492 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10493 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10494 (make_automaton_attrs): New.
10495 (main): Do not call into genautomata. Call local gen_bypass
10496 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10497 Remove special case for insn_alts.
10498 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10499 varray.h (leftover from previous change). Prune set of forward
10500 function declarations. Remove state_alts fields from all
10501 structures. Remove state_alts_table from struct automaton.
10502 Make everything except main static. Do not maintain num_dfa_decls.
10503 Do not maintain state_alts fields of various structures.
10504 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10505 (add_arc): Remove state_alts argument. All callers updated.
10506 (output_reserved_units_table): Emit #ifdef here...
10507 (output_tables): ...not here. Don't generate state_alts tables.
10508 (expand_automata): Don't generate attributes.
10509 (write_automata): Don't generate state_alts functions.
10510 (main): New function.
10511 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10512 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10513 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10514 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10515 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10516 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10517 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10518 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10520 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10521 * genattrtab.h: Delete file.
10522 * Makefile.in (OBJS-common): Add insn-automata.o.
10523 (insn-automata.o): New rule.
10524 (simple_generated_c): Add insn-automata.c.
10525 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10526 (genprogmd): Add automata.
10527 (build/genattrtab): Needs no extra objects nor libraries.
10528 (build/genautomata): Needs build/vec.o and -lm.
10530 2006-01-22 Zack Weinberg <zackw@panix.com>
10532 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10533 (output_dfa_max_issue_rate, locked_states_num): Delete.
10534 (struct automaton): Add locked_states field.
10535 (output_dead_lock_vect): Save number of locked states in
10536 automaton->locked_states. If it is zero, don't print anything.
10537 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10538 (output_internal_dead_lock_func): Only test the dead_lock_vect
10539 for automata that have locked states.
10540 (output_statistics): Always print the number of locked states for
10541 each automaton. Calculate total number of locked states here.
10542 (write_automata): Don't call output_dfa_max_issue_rate.
10543 * genattrtab.c: Define length_unit_log as a const variable.
10544 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10545 max_insn_queue_index const.
10546 * final.c (length_unit_log): Declare const.
10547 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10549 2006-01-22 Zack Weinberg <zackw@panix.com>
10551 * genautomata.c: Include vec.h, not varray.h.
10552 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10553 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10554 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10555 VEC_* macros operating on appropriately typed vectors, or to
10556 malloced arrays when the size is known in advance. Const-ify
10557 many char* variables and function arguments. No functional changes.
10558 * Makefile.in (build/varray.o): Delete rule.
10559 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10560 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10562 2006-01-22 Zack Weinberg <zackw@panix.com>
10564 * gensupport.c: Define get_insn_name and record_insn_name here.
10565 (read_md_rtx): Call record_insn_name as appropriate.
10566 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10567 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10568 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10570 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10571 (BUILD_VARRAY): Delete.
10572 (genprognormal): Rename genprogmd. Fold in all programs from
10573 genprognoprint; also attrtab.
10574 (build/genattrtab): Just mention genautomata.o and varray.o.
10575 Reorganize a bit, add comments to make the categories clearer.
10577 2006-01-22 Zack Weinberg <zackw@panix.com>
10579 * genconditions.c (condition_table, add_condition): Delete.
10580 (write_conditions): Don't emit n_insn_conditions nor
10581 insn_elision_unavailable. Issue the gcc version #ifdef here,
10582 inside the table, with no #else clause ...
10583 (write_header): ...not here.
10584 (write_writer): New function.
10585 (main): Don't initialize condition_table. Use add_c_test.
10587 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10588 files on the command line.
10589 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10590 Return -1 if there is no entry in the table, don't abort.
10591 (add_c_test, traverse_c_tests): New functions.
10592 * gensupport.h (insn_elision_unavailable, insn_conditions)
10593 (n_insn_conditions): Delete declarations.
10594 (add_c_test, traverse_c_tests): Declare.
10595 * read-rtl.c: Include gensupport.h.
10596 (read_conditions): New function.
10597 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10598 (read_rtx_1): If we get EOF when we were looking for an initial
10599 open paren, return 0. Call read_conditions when appropriate.
10600 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10601 dummy-conditions.o. Eliminate references to insn-conditions.o,
10602 or change them to build/gencondmd.o, as appropriate. Remove
10603 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10604 from $(simple_generated_c). For all files remaining in those
10605 two lists, add insn-conditions.md to the generator command line.
10606 Give insn-constants.h/s-constants their own rules. Add rules
10607 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10608 (build/read-rtl.o): Depend on gensupport.h.
10609 (genprognormal): Include preds.
10610 (genprogearly): Rename genprognoprint; only difference is now that
10611 they don't link with $(BUILD_PRINT).
10612 * dummy-conditions.c: Delete.
10614 2006-01-22 Zack Weinberg <zackw@panix.com>
10616 * genextract.c: Don't include insn-config.h. Do include vec.h.
10617 Declare vectors of int, char, and locstr.
10618 (locstr): New typedef.
10619 (struct extraction): Make all array fields into bare pointers.
10620 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10621 (insn_code_number): Delete.
10622 (accum_extract): New struct.
10623 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10624 (gen_insn): Take insn_code_number as an argument. Use an
10625 accum_extract structure instead of loading data directly into
10626 a struct extraction, and having to know how big it might get.
10627 (walk_rtx): Operate entirely on an accum_extract structure.
10628 (print_path): Avoid unnecessary use of printf.
10629 (print_header): New function, split out of main. Distinguish
10630 more carefully between an unrecognizable insn and an insn that
10631 has the code number of a define_expand.
10632 (main): Pass insn_code_number to gen_insn. Call print_header
10633 only after parsing. Avoid unnecessary use of printf.
10634 * Makefile.in (build/vec.o): New rule.
10635 (build/genextract): Depend on build/vec.o.
10636 (build/genextract.o): Don't depend on insn-config.h.
10638 2006-01-22 Zack Weinberg <zackw@panix.com>
10640 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10641 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10642 practical. Eliminate per-generator-program link rules.
10644 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10646 PR middle-end/24437
10647 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10648 with a call expr to ...
10649 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10651 2006-01-23 Richard Guenther <rguenther@suse.de>
10653 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10654 before make_edge with conditional EDGE_TRUE_VALUE.
10656 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10657 Jan Hubicka <jh@suse.cz>
10658 Richard Guenther <rguenther@suse.de>
10660 PR rtl-optimization/25654
10661 * cfgexpand.c (aggregate_contains_union_type): New function.
10662 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10663 for structure variables that contain a union type.
10665 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10667 * gengtype.c (new_structure): Return the structure.
10668 (create_option): Add an extra "next" argument.
10669 (create_field): New function.
10670 (adjust_field_rtx_def): Use create_option and create_field.
10671 Remove a now-unnecessary call to find_structure.
10672 (adjust_field_tree_def): Likewise.
10673 (note_yacc_type): Remove an unnecessary call to find_structure.
10674 * gengtype.h (new_structure): Return the structure.
10675 (create_option): Add an extra argument.
10676 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10677 (option): Adjust calls to create_option.
10679 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10681 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10683 2006-01-22 Paul Brook <paul@codesourcery.com>
10684 Peter Barada <peter@the-baradas.com>
10686 * config/m68k/m68k.md: Add Coldfire FPU support.
10687 Define FP mode macro and associated attributes.
10688 Use it for float mode patterns.
10689 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10690 (LIBCALL_VALUE): Use m68k_libcall_value.
10691 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10692 (m68k_function_value): Ditto.
10693 (emit_move_sequence): Ditto.
10694 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10695 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10696 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10697 (MULTILIB_EXCEPTIONS): Ditto.
10698 * config/m68k/m68k.opt: Add mcfv4e.
10699 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10700 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10701 (m68k_output_function_prologue): Save ColdFire FPU registers.
10702 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10703 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10704 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10705 ColdFire FPU registers.
10706 (m68k_libcall_value, m68k_function_value): New functions.
10707 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10708 (LIBCALL_VALUE): Use m68k_libcall_value.
10709 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10710 (MASK_COLDFIRE): Add MASK_CFV4E.
10711 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10712 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10713 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10714 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10715 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10716 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10717 * doc/invoke.tex: Document -mcfv4e on m68k.
10719 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10721 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10724 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10727 * c-opts.c (c_common_handle_option): Don't include
10728 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10729 * doc/invoke.texi (C++ Dialect Options): Document that
10730 -Wnon-virtual-dtor is no longer included in -Wall.
10732 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10734 * gcov.c (print_version), gcov-dump.c (print_version),
10735 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10738 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10740 * df-scan.c (problem_SCAN): Added NULL reset function.
10741 (df_scan_reset_blocks): Added code to call reset block function
10742 (df_bb_refs_delete) Fixed comment.
10743 (df_insn_refs_delete): Made tolerant of deleting non existent info
10744 for dataflow problems that need to be reset.
10745 * df-core.c (df_set_blocks): Ditto.
10746 * df.h (struct df_problem): Added reset_fun.
10747 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10748 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10749 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10750 functions to clear out all references to def-use or use-def chains.
10752 2006-01-21 Ben Elliston <bje@au.ibm.com>
10754 * varasm.c (assemble_real): Initialise data array.
10756 2006-01-20 Paul Brook <paul@codesourcery.com>
10758 Merge from csl-arm-branch.
10759 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10760 * config/arm/arm.md (movdi): Force operands[1] to a register
10761 if we have a non-register source.
10762 (*arm_movdi, *movdf_soft_insn): Require that one of the
10763 operands be a register.
10764 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10765 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10767 2006-01-20 DJ Delorie <dj@redhat.com>
10769 * varasm.c (initializer_constant_valid_p): Allow pointers
10770 initialized from integer constants of lesser precision.
10771 (output_constant): Allow non-int-sized pointer modes to be
10772 initialized from integer constants.
10774 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10777 * cppdefault.h (struct default_include): Add multilib flag.
10778 * cppdefault.c (cpp_include_defaults): Set it.
10779 * c.opt (-imultilib): New option.
10780 * c-opts.c (imultilib): New.
10781 (c_common_handle_option): Handle -imultilib.
10782 (c_common_post_options): Likewise.
10783 * c-incpath.c (add_standard_paths, register_include_chains):
10785 * c-incpath.h (register_include_chains): Add extra parameter.
10786 * gcc.c (do_spec_1): Generate -imultilib option.
10787 (The Specs Language): Update %I description.
10788 (process_command): Update copyright notice.
10789 * doc/cppopts.texi (-imultilib): Document.
10790 * doc/invoke.texi (-imultilib): Include in option summary.
10791 (%I): Update specs documentation.
10793 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10795 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10797 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10799 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10802 2006-01-20 Richard Guenther <rguenther@suse.de>
10803 Steven Bosscher <stevenb.gcc@gmail.com>
10805 PR rtl-optimization/24626
10806 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10807 EDGE_TRUE_VALUE if in RTL mode.
10810 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10811 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10813 2006-01-20 Dirk Mueller <dmueller@suse.com>
10816 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10817 instead of a special NOP marker.
10818 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10819 NOP marker handling.
10820 * c-common.h (empty_body_warning): Add forward declaration.
10821 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10822 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10824 2006-01-20 Paul Brook <paul@codesourcery.com>
10826 * Makefile.in (lang_checks): Keep going if mkdir fails.
10828 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10830 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10831 be able to clean out basic block when not necessary.
10832 (df_scan_free): Fixed to properly delete information if df is
10833 unused before calling df_finish.
10834 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10835 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10837 (df_bb_refs_delete): New function.
10838 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10839 * df-core.c (df_set_blocks): Added code to properly clean out
10840 unused blocks if they are not part of the blocks to consider.
10841 Added additional null check.
10842 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10843 be able to clean out basic block when not necessary
10844 * df.h (df_free_bb_function): Ditto.
10845 (df_bb_refs_delete): New function.
10846 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10847 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10848 basic block parameter to be able to clean out basic block when not
10850 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10851 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10852 Fixed to properly delete information if df is unused before
10855 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10857 PR rtl-optimization/25799
10858 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10859 Corrected confluence operator to remove bits from op2 before oring
10860 with op1 rather than removing bits from op1.
10861 (df_ru_transfer_function): Corrected test on wrong bitmap which
10862 caused infinite loop. Both of these problems were introduced in
10863 the dataflow rewrite.
10865 2006-01-19 DJ Delorie <dj@redhat.com>
10867 * reload1.c (find_reload_regs): Note the details of reload
10868 failures in the dump file.
10869 (spill_failure): Likewise.
10871 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10873 * loop-iv.c: Include df.h and hashtab.h.
10874 (enum iv_grd_result): New enum.
10875 (DF_REF_IV, DF_REF_IV_SET): New macros.
10876 (struct biv_entry): New.
10877 (df, bivs): New global variables.
10878 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10879 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10881 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10882 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10883 analyzed_for_bivness_p, record_biv): New functions.
10884 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10885 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10886 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10888 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10890 (iv_number_of_iterations): Use new interface to iv analysis.
10891 * loop-unroll.c: Do not include varray.h.
10892 (analyze_iv_to_split_insn): Use new interface to iv
10894 * loop-unswitch.c (may_unswitch_on): Ditto.
10895 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10897 (df_bb_modify): Realloc tables to the new index.
10898 (df_find_use): New function.
10899 * df.h (df_find_use): Declare.
10900 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10902 * cfgloop.h (struct rtx_iv): Remove analysed field.
10903 (iv_get_reaching_def): Removed.
10904 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10905 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10906 (loop-iv.o): Add df.h and hashtab.h dependency.
10907 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10909 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10912 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10914 (__floatundisf, __floatundidf): Likewise.
10915 * libgcc2.h (IS_IBM_EXTENDED): Define.
10917 2006-01-19 DJ Delorie <dj@redhat.com>
10919 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10921 2006-01-19 Paul Brook <paul@codesourcery.com>
10923 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10924 as nothrow when unwinding tables are disabled.
10926 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10929 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10930 of bit-field" when in system header.
10932 2006-01-19 DJ Delorie <dj@redhat.com>
10934 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10935 the 16 bit shift limit of the m16c.
10937 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10940 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10941 * config/i386/i386.c (output_set_got): Output the label if we have one
10942 for the TARGET_DEEP_BRANCH_PREDICTION case.
10944 2006-01-19 Jan Hubicka <jh@suse.cz>
10945 H.J. Lu <hongjiu.lu@intel.com>
10946 Evandro Menezes <evandro.menezes@amd.com>
10948 * invoke.texi (generic): Document
10950 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10951 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10952 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10953 (x86_use_incdec, x86_pad_returns): New variables
10954 (TARGET_CPU_DEFAULT_generic): New constant
10955 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10956 (enum processor_type): Add generic32 and generic64.
10957 * i386.md (cpu attribute): Add generic32/generic64
10958 (movhi splitter): Behave sanely when both partial_reg_dependency and
10959 partial_reg_stall are set.
10960 (K8 splitters): Enable for generic as well.
10961 * predicates.md (incdec_operand): Use TARGET_INCDEC
10962 (aligned_operand): Avoid memory mismatch stalls.
10963 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10964 * ppro.md: Enable for generic32
10965 * i386.c (generic64_cost, generic32_cost): New.
10966 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10967 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10968 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10969 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10970 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10971 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10972 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10973 x86_accumulate_outgoing_args, x86_prologue_using_move,
10974 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10975 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10976 Enable for generic.
10977 (x86_use_incdec, x86_pad_returns): New.
10978 (override_options): Add generic32 and generic64, translate "generic"
10979 to generic32/generic64 and "i686" to "generic32", refuse
10980 "generic32"/"generic64" as arch target.
10981 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10982 (ix86_reorg): Honor PAD_RETURNS.
10984 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10986 * tree-pretty-print.c (dump_generic_node): Handle
10987 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10988 * cgraph.c (cgraph_expand_queue): Rename from
10989 cgraph_analyze_queue. Update all users.
10990 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10991 cgraph_expand_queue.
10992 (cgraph_expand_all_functions): Likewise.
10993 (cgraph_finalize_pending_functions): Remove. Update callers.
10995 * tree.h (OMP_DIRECTIVE_P): Define.
10996 (OMP_PARALLEL_FN): Define.
10997 (OMP_PARALLEL_DATA_ARG): Define.
10998 (OMP_SECTIONS_SECTIONS): Define.
10999 * tree-pass.h (pass_expand_omp): Declare.
11000 * omp-low.c (struct omp_region): Declare.
11001 (struct omp_context): Remove fields 'parallel_type',
11002 'parallel_start_ix' and 'parallel_start_additional_args'.
11004 (struct omp_for_data): Rename from struct expand_omp_for_data.
11005 (omp_regions): New static variable.
11006 (root_omp_region): New static variable.
11007 (find_omp_clause): Make static.
11008 (is_in_combined_parallel_ctx): Remove.
11009 (is_combined_parallel): New.
11010 (extract_omp_for_data): Move earlier in the file.
11011 (workshare_safe_to_combine_p): New.
11012 (get_ws_args_for): New.
11013 (determine_parallel_type): Move earlier in the file.
11014 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11016 (omp_copy_decl): Likewise.
11017 (create_omp_child_function): Likewise.
11018 (lookup_omp_region): New.
11019 (dump_omp_region): New.
11020 (debug_omp_region): New.
11021 (debug_all_omp_regions): New.
11022 (new_omp_region): New.
11023 (scan_omp_parallel): If parallel_nesting_level > 1, the
11024 directive is nested within another parallel directive.
11025 Set OMP_PARALLEL_FN.
11026 (scan_omp_for): Do not try to handle combined parallel+for
11028 Remove FIXME comment.
11029 (scan_omp_nested): Remove.
11030 (scan_omp_1): Do not call scan_omp_nested when
11031 parallel_nesting_level is > 1.
11032 Do not change the DECL_CONTEXT of local variables found.
11033 (lookup_decl_in_outer_ctx): New.
11034 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11035 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11036 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11037 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11038 If CTX is nested, lookup VAR in the outer context when
11039 building copy assignment.
11040 (lower_send_clauses): Rename from expand_send_clauses.
11041 If CTX is nested, lookup VAR in the outer context when
11042 building copy assignments.
11043 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11044 If CTX is nested, lookup VAR in the outer context when
11045 building copy assignments.
11046 (expand_parallel_call): Rename from build_parallel_call.
11047 Handle combined parallel+workshare cases.
11048 Re-implement to emit code into the CFG.
11050 (expand_omp_parallel): Re-implement to emit code into the CFG.
11051 Call move_sese_region_to_fn to outline the sub-graph
11052 containing the parallel region.
11053 (expand_omp_for_1): Remove.
11054 (expand_omp_for_generic): Re-implement to emit code into the
11056 (expand_omp_for_static_nochunk): Likewise.
11057 (expand_omp_for_static_chunk): Likewise.
11058 (expand_omp_for): Likewise.
11059 (expand_omp_sections): Likewise.
11060 (remove_exit_barriers): New.
11061 (expand_omp_synch): New.
11063 (build_omp_regions_1): New.
11064 (build_omp_regions): New.
11065 (execute_expand_omp): New.
11066 (gate_expand_omp): New.
11067 (pass_expand_omp): Define.
11068 (lower_omp_sections): Rename from expand_omp_sections.
11069 Set OMP_SECTIONS_SECTIONS.
11070 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11071 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11072 (lower_omp_single): Rename from expand_omp_simple.
11073 (lower_omp_master): Rename from expand_omp_master.
11074 (lower_omp_ordered): Rename from expand_omp_ordered.
11075 (lower_omp_critical): Rename from expand_omp_critical.
11076 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11077 (lower_omp_for): Re-implement.
11078 (lower_omp_parallel): Re-implement.
11079 (lower_regimplify): Rename from expand_regimplify.
11080 (lower_omp_1): Rename from expand_omp_1.
11081 If there are syntax errors in the program, replace every
11082 OpenMP directive with NOP.
11083 Call lower_omp_* instead of expand_omp_*.
11084 (lower_omp): Rename from expand_omp.
11086 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11087 * tree-gimple.h (enum omp_parallel_type): Remove.
11088 (gimple_boolify): Declare extern.
11089 (find_omp_clause, determine_parallel_type): Remove.
11091 * gimple-low.c (lower_omp_directive): New.
11092 (lower_stmt): Call it.
11093 (record_vars_into): Move from ...
11094 (record_vars): ... here.
11095 Call record_vars_into with current_function_decl.
11097 * gimplify.c (struct gimplify_ctx): Remove fields
11098 combined_pre_p and combined_ctxp. Update users.
11099 (get_formal_tmp_var): Add documentation.
11100 (gimple_boolify): Make extern.
11101 (gimplify_expr_in_ctx): Remove. Update callers.
11102 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11103 will always be a BIND_EXPR.
11104 (gimplify_expr): Handle OMP_RETURN_EXPR.
11105 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11106 (OMP_PARALLEL): Add 3 operands.
11107 (OMP_SECTIONS): Add 1 operand.
11108 (OMP_RETURN_EXPR): Define.
11110 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11111 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11112 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11113 creating a circular free list.
11114 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11116 * tree-flow.h (move_sese_region_to_fn): Declare.
11117 (record_vars_into): Declare.
11118 * tree-cfg.c (make_omp_sections_edges): New.
11119 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11120 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11121 OMP_SECTIONS and OMP_SECTION.
11122 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11123 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11124 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11125 (gather_blocks_in_sese_region): New.
11126 (struct move_stmt_d): Declare.
11127 (move_stmt_r): New.
11128 (move_block_to_fn): New.
11129 (move_sese_region_to_fn): New.
11131 * passes.c (init_optimization_passes): Schedule
11132 pass_expand_omp after pass_init_datastructures.
11134 * tree-ssa-operands.c (get_expr_operands): Handle
11135 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11136 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11138 2006-01-19 Jeff Law <law@redhat.com>
11140 * tree-vrp.c (extract_range_from_assert): Refine the result range
11141 if the variable referenced by the ASSERT_EXPR has a range and
11142 either the tentative result range or the previous range is a
11145 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11147 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11149 2006-01-19 Jan Hubicka <jh@suse.cz>
11151 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11153 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11155 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11156 (expand_compound_operation, expand_field_assignment): Fail if the
11157 bit lengths of an extract operation are out of range.
11158 (make_extraction): Compute wanted_inner_mode based on the position
11159 and length of the extraction. Make it extraction_mode for non-constant
11160 positions, and do not modify offset in that case. When generating a
11161 new MEM, use a mode that can hold the extraction while keeping correct
11162 alignment. Remove code that supported MEMs wrapped by USEs.
11163 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11165 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11167 * config/s390/s390.md ("Y", "y"): New mode attribute.
11168 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11169 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11170 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11171 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11172 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11173 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11174 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11175 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11176 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11177 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11178 "addsi3", "subsi3"): Insn patterns removed.
11179 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11180 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11181 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11182 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11183 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11184 "*sub<mode>3_cconly2"): New insn patterns.
11185 ("addsi3", "subsi3"): New expanders.
11187 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11189 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11190 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11191 existing STMT_VINFO_VECTYPE if available.
11192 (vect_mark_relevant): Add special handling for stmts that are
11193 marked as STMT_VINFO_IN_PATTERN_P.
11194 (vect_analyze_loop): Call vect_pattern_recog.
11195 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11196 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11198 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11199 (vect_recog_func_ptr): New function-pointer type.
11200 * tree-vect-patterns.c: New file.
11201 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11202 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11203 (vect_pattern_recog_1): New functions.
11204 (vect_pattern_recog_funcs): New array of function pointers.
11206 * tree-vectorizer.h (ternary_op): New enum value.
11207 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11208 declaration. Revised documentation. Removed redundant dump prints.
11209 Removed redundant argument. Added support for reduction patterns.
11210 (vectorizable_reduction): Added support for reduction patterns.
11211 (vect_transform_stmt): Added support for patterns.
11213 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11214 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11215 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11216 (expand_widen_pattern_expr): New function.
11217 (init_optabs): Initialize new optabs udot_prod_optab,
11219 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11220 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11221 (expand_widen_pattern_expr): New function declaration.
11222 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11224 * tree-inline.c (estimate_num_insns_1): Added cases for new
11225 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11226 * tree-pretty-print.c (dump_generic_node): Likewise.
11227 (op_prio): Likewise.
11228 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11229 * tree-ssa-operands.c (get_expr_operands): Added case for
11231 * tree-vect-patterns.c (widened_name_p): New function.
11232 (vect_recog_dot_prod_pattern): Added function implementation.
11233 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11234 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11235 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11236 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11238 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11239 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11240 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11241 (init_optabs): Initialize new optabs widen_ssum_optab,
11243 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11244 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11245 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11246 use instead of type of def.
11247 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11248 function implementation.
11249 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11250 widen_ssumv8hi): New.
11252 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11255 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11258 * c-decl.c (add_flexible_array_elts_to_size): New function.
11259 (finish_decl): Use it.
11261 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11263 * diagnostic.h: Include options.h.
11264 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11265 dependancies for diagnostic.h.
11266 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11268 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11270 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11271 (ssa_ro_call_cache_valid): Ditto.
11272 * tree-ssa-alias.c (sort_tags_by_id): New function.
11273 (init_transitive_clobber_worklist): Ditto.
11274 (add_to_worklist): Ditto.
11275 (mark_aliases_call_clobbered): Ditto.
11276 (compute_tag_properties): Ditto.
11277 (set_initial_properties): Ditto.
11278 (compute_call_clobbered): Ditto.
11279 (compute_may_aliases): Call compute_call_clobbered and grouping.
11280 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11281 (compute_flow_insensitive_aliasing): Grouping now happens in our
11283 (setup_pointers_and_addressables): Remove clobbering related code.
11284 (add_may_alias): Ditto.
11285 (replace_may_alias): Ditto.
11286 (get_nmt_for): Ditto.
11287 (create_global_var):
11288 (is_escape_site): Return an escape_type enumeration.
11289 * tree-flow-inline.h (is_call_clobbered): Global var does not
11290 imply call clobbered.
11291 (mark_call_clobbered): Take a reason for marking this. Remove
11292 marking of globalness, and cache invalidation.
11293 (clear_call_clobbered): Remove cache invalidation code.
11294 * tree-dfa.c (dump_variable): If details is on, dump the reason
11296 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11298 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11299 (struct var_ann_d): Ditto.
11300 (enum escape_type): New.
11301 (mark_call_clobbered): Adjust prototype.
11302 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11303 are never call clobbered.
11304 Record reasons for escaping.
11305 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11306 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11307 (ssa_ro_call_cache_valid): Ditto.
11308 (clobbered_v_may_defs): Ditto.
11309 (clobbered_vuses): Ditto.
11310 (ro_call_vuses): Ditto.
11311 (clobber_stats): New.
11312 (init_ssa_operands): Zero out clobber stats.
11313 (fini_ssa_operands): Print out clobber stats.
11314 (get_call_expr_operands): Pass callee fndecl to
11315 add_call_read_ops).
11316 (add_call_clobber_ops): Remove use of cache.
11317 Add use of PURE_CONST information.
11318 (add_call_read_ops): Remove use of cache.
11319 Add use of static not_read information.
11321 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11323 Introduce TLS descriptors for i386 and x86_64.
11324 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11325 (TARGET_ANY_GNU_TLS): New macro.
11326 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11327 (struct machine_function): Add tls_descriptor_call_expanded_p.
11328 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11329 (ix86_current_function_calls_tls_descriptor): Likewise.
11330 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11331 (override_options): Introduce gnu2 tls dialect.
11332 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11334 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11336 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11337 (ix86_init_machine_status): Initialize new field.
11338 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11339 (ix86_tls_module_base): New.
11340 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11341 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11342 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11343 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11344 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11345 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11346 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11347 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11348 * config/i386/predicates.md (tls_modbase_operand): New.
11349 (tp_or_register_operand): New.
11351 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11353 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11354 (look_for_address_of): Ditto.
11355 (ipa_init): Walk the function decls.
11356 (static_execute): Don't set readonly on FUNCTION_DECL's.
11358 2006-01-18 Roger Sayle <roger@eyesopen.com>
11360 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11361 for shifts where the source and destination registers are different.
11363 2006-01-18 Paul Brook <paul@codesourcery.com>
11365 Merge from csl-arm-branch.
11366 2005-03-14 Julian Brown <julian@codesourcery.com>
11367 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11368 (aeabi_llsl): Likewise.
11369 (ashrdi3): Likewise.
11370 (aeabi_lasr): Likewise.
11371 (lshrdi3): Likewise.
11372 (aeabi_llsr): Likewise.
11373 2005-03-10 Julian Brown <julian@codesourcery.com>
11374 * config.gcc: Disable shared libgcc for SymbianOS.
11375 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11377 2006-01-18 DJ Delorie <dj@redhat.com>
11379 * c-pragma.c (handle_pragma_diagnostic): New.
11380 (init_pragma): Register it.
11381 * doc/extend.texi: Document it.
11383 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11384 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11385 (diagnostic_context): Add classify_diagnostic[].
11386 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11387 as errors if they're overridden to DK_WARNING.
11388 (diagnostic_initialize): Initialize classify_diagnostic[].
11389 (diagnostic_set_kind_override): New.
11390 (diagnostic_report_diagnostic): Check for kind changes.
11391 * opts.c (common_handle_option): Take lang_mask. Update callers.
11392 Handle OPT_Werror_.
11393 * common.opt (Werror=): New.
11394 * doc/invoke.texi: Document -Werror=*
11396 2006-01-18 Jeff Law <law@redhat.com>
11398 * tree-vrp.c (test_for_singularity): Correct test for new
11399 min limit. Use operand_equal_p rather than pointer equality
11400 for testing if new min/max values are equal.
11402 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11403 using range information until after propagation and folding.
11405 2006-01-18 Richard Henderson <rth@redhat.com>
11406 Aldy Hernandez <aldyh@redhat.com>
11407 Jakub Jelinek <jakub@redhat.com>
11408 Diego Novillo <dnovillo@redhat.com>
11410 * omp-low.c: New file.
11411 * c-omp.c: New file.
11413 2006-01-18 Richard Henderson <rth@redhat.com>
11414 Jakub Jelinek <jakub@redhat.com>
11415 Diego Novillo <dnovillo@redhat.com>
11417 * doc/invoke.texi: Document -fopenmp.
11418 * tree-dump.h (debug_function): Declare.
11419 * hooks.c (hook_bool_tree_bool_false): New function.
11420 (hook_tree_tree_null): Remove.
11421 (hook_tree_tree_tree_null): New.
11422 * hooks.h: Update to match.
11423 * tree-pretty-print.c (debug_tree_chain): New.
11424 (print_generic_expr): Handle TDF_CHAIN.
11425 (dump_generic_node): Handle BLOCK.
11426 Do not abort with incomplete SWITCH_EXPRs.
11427 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11428 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11429 print space after directive name.
11430 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11431 Handle OMP_MASTER and OMP_ORDERED.
11432 Handle printing of OMP_BODY just in one place, goto
11433 dump_omp_body in the rest of OMP_* nodes that have
11435 Don't handle clause nodes here. Update omp statements to
11436 use dump_omp_clauses.
11437 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11438 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11439 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11440 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11441 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11442 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11443 Adjust output for GOMP_PARALLEL.
11444 (dump_omp_clauses): New.
11445 (print_declaration): Dump DECL_VALUE_EXPR.
11446 (op_symbol_1): Split out of op_symbol.
11447 (dumping_stmts): Remove. Update all users.
11448 * cgraph.c (cgraph_analyze_queue): New.
11449 (cgraph_add_new_function): New.
11450 * cgraph.h (cgraph_analyze_queue): Declare.
11451 (cgraph_add_new_function): Declare.
11452 (cgraph_lower_function): Remove.
11453 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11454 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11455 and TYPE_P nodes in its default clause.
11456 (empty_body_p): New.
11457 (tree_range_check_failed): New.
11458 (build5_stat): New.
11459 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11460 OMP_CLAUSE_REDUCTION_MERGE,
11461 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11462 OMP_CLAUSE_PRIVATE_DEBUG,
11463 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11464 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11465 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11466 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11467 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11468 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11469 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11470 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11471 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11472 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11473 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11474 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11475 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11476 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11477 (TREE_RANGE_CHECK): New.
11478 (empty_body_p): Declare.
11479 (enum omp_clause_default_kind): New.
11480 (build_string_literal): Declare.
11481 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11482 (build5_stat, build5): Declare.
11483 * tree-pass.h (TDF_CHAIN): Define.
11484 * tree-pass.h (PROP_gimple_lomp): Define.
11485 (pass_lower_omp): Declare.
11486 * diagnostic.h (debug_tree_chain): Declare.
11487 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11489 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11490 * builtins.c (build_string_literal): Make extern.
11491 * gcc.c (include_spec_function): New.
11492 (static_spec_functions): Add it.
11493 (main): Move load of libgomp.spec ...
11494 (LINK_COMMAND_SPEC): ... here.
11495 (link_gomp_spec): New.
11496 (static_specs): Include it.
11497 (LINK_COMMAND_SPEC): Add link_gomp.
11498 (GOMP_SELF_SPECS): New.
11499 (driver_self_specs): Include it.
11500 (switch_matches): Don't mark inline.
11501 (main): Load libgomp.spec.
11502 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11503 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11504 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11505 * tree-gimple.h (enum omp_parallel): Declare.
11506 (determine_parallel_type): Declare.
11507 (omp_firstprivatize_variable): Declare.
11508 (omp_reduction_init): Declare.
11509 (diagnose_omp_structured_block_errors): Declare.
11510 (struct walk_stmt_info): Add want_return_expr.
11511 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11512 (find_omp_clause): Declare.
11513 (insert_field_into_struct): Declare.
11514 (struct walk_stmt_info): Move from tree-nested.c
11515 (walk_stmts): Declare.
11516 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11518 * cgraphunit.c (cgraph_lower_function): Make static.
11519 (cgraph_finalize_pending_functions): New.
11520 (cgraph_finalize_function): Call it.
11521 (cgraph_finalize_compilation_unit): Likewise.
11522 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11523 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11524 (BT_FN_UINT_UINT): New.
11525 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11526 DEF_FUNCTION_TYPE_VAR_4): Document.
11527 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11528 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11529 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11530 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11531 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11532 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11533 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11534 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11535 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11536 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11537 into separate files.
11538 (DEF_GOMP_BUILTIN): New.
11539 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11540 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11541 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11542 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11543 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11544 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11545 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11546 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11547 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11548 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11549 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11550 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11551 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11552 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11553 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11554 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11555 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11556 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11557 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11558 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11559 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11560 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11561 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11562 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11563 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11564 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11565 * sync-builtins.def: New file, moved from builtins.def.
11566 * omp-builtins.def: New file, moved from builtins.def.
11567 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11568 * gimple-low.c (lower_function_body): Clear data.
11569 (lower_stmt): Do not handle COMPOUND_EXPR.
11570 Remove call to print_node_brief.
11571 * c-tree.h (c_finish_omp_clauses): New prototype.
11572 (C_DECL_THREADPRIVATE_P): Define.
11573 (lookup_name_no_remap, c_omp_remap_private): Remove
11574 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11575 (check_for_loop_decls): Update decl.
11576 (lookup_name_no_remap, c_omp_remap_private): Declare.
11577 (build_indirect_ref, build_modify_expr, pushdecl,
11578 pushdecl_top_level): Move to c-common.h.
11579 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11580 before the switch, but just in the 2 places that need it.
11581 * c-decl.c (diagnose_mismatched_decls): Do not check for
11582 mismatched thread-local attributes when OLDDECL is marked
11583 threadprivate and NEWDECL has no thread-local attributes.
11584 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11585 (c_gimple_diagnostics_recursively): Rename from
11586 c_warn_unused_result_recursively. Invoke
11587 diagnose_omp_structured_block_errors.
11588 (check_for_loop_decls): Return a singular decl found.
11589 * langhooks.c (lhd_omp_predetermined_sharing): Return
11590 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11591 (lhd_omp_firstprivatize_type_sizes): New.
11592 (lhd_omp_assignment): New.
11593 (lhd_omp_predetermined_sharing): New.
11594 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11595 (struct lang_hooks_for_types): Add
11596 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11597 omp_predetermined_sharing, omp_disregard_value_expr,
11598 omp_private_debug_clause, omp_clause_default_ctor,
11599 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11600 (c_finish_omp_clauses): New.
11601 (c_finish_bc_stmt): Diagnose break within omp for.
11602 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11603 (build_unary_op): Return error_mark after reporting
11605 (build_modify_expr): Likewise.
11606 * gimplify.c: Include optabs.h and pointer-set.h.
11607 (enum gimplify_omp_var_data): Declare.
11608 (struct gimplify_omp_ctx): Declare.
11609 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11611 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11612 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11613 (splay_tree_compare_decl_uid): New.
11614 (new_omp_context): New.
11615 (delete_omp_context): New.
11616 (gimple_add_tmp_var): Call omp_add_variable.
11617 (gimplify_bind_expr): Likewise.
11618 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11619 true, disregard DECL_VALUE_EXPR on the decl if any.
11620 (gimplify_expr_in_ctx): New.
11621 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11622 omp_add_variable, omp_notice_variable, omp_is_private
11623 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11624 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11625 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11626 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11627 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11628 gimplify_omp_atomic): New.
11629 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11630 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11631 OMP_CRITICAL and OMP_ATOMIC.
11632 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11633 * c-pragma.h (enum pragma_kind): Add
11634 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11635 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11636 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11637 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11638 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11639 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11640 PRAGMA_OMP_THREADPRIVATE.
11641 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11642 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11643 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11644 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11645 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11646 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11647 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11648 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11649 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11650 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11651 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11652 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11653 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11655 (struct nesting_info): Add field_map,
11656 suppress_expansion, debug_var_chain.
11657 (create_nesting_tree): Initialize them.
11658 (lookup_field_for_decl): Use field_map.
11659 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11660 (convert_local_omp_clauses): New.
11661 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11662 (walk_body): Split out of walk_function.
11663 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11664 (convert_nonlocal_reference): Handle omp statements.
11665 (convert_local_reference): Likewise.
11666 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11667 (unnest_nesting_tree): New.
11668 (lower_nested_functions): Call it.
11669 (insert_field_into_struct): Make extern.
11670 (struct walk_stmt_info): Move to tree-gimple.h.
11671 (walk_stmts): Make extern.
11672 * omp-builtins.def: New file.
11673 * tree-iterator.c (expr_only): Clarify comment.
11674 * c-common.h (pushdecl_top_level, pushdecl,
11675 build_modify_expr, build_indirect_ref,
11676 c_finish_omp_master, c_finish_omp_critical,
11677 c_finish_omp_ordered, c_finish_omp_barrier,
11678 c_finish_omp_atomic, c_finish_omp_flush,
11679 c_finish_omp_for, c_split_parallel_clauses,
11680 omp_clause_default_kind, c_omp_sharing_predetermined,
11681 c_omp_remap_decl): Declare.
11682 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11683 (OBJS-common): Add omp-low.o.
11684 (c-omp.o, omp-low.o): Add.
11685 (gimplify.o): Add dependency on $(OPTABS_H).
11686 (GTFILES): Add omp-low.c.
11687 (gt-stringpool.h): Add.
11688 * tree-cfg.c (set_bb_for_stmt): Do not update the
11689 block-to-labels map if we are currently expanding to RTL.
11690 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11692 Handle IDENTIFIER_NODE.
11693 (tree_verify_flow_info): Do not ICE when emitting error
11694 messages about invalid labels.
11695 (dump_function_to_file): Reset CFUN before emitting the body
11697 (debug_function): New.
11698 * passes.c (init_optimization_passes): Schedule
11700 * langhooks-def.h (lhd_omp_predetermined_sharing,
11701 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11703 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11704 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11705 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11706 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11707 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11708 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11709 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11710 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11711 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11712 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11713 (LANG_HOOK_DECLS): Use them.
11715 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11716 Richard Henderson <rth@redhat.com>
11717 Jakub Jelinek <jakub@redhat.com>
11718 Diego Novillo <dnovillo@redhat.com>
11720 * c-parser.c (pragma_omp_clause): Define.
11721 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11722 (c_parser_compound_statement): Likewise.
11723 (c_parser_statement): Likewise.
11724 (c_parser_pragma): Handle omp pragmas.
11725 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11726 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11727 (c_parser_omp_clause_name, check_no_duplicate_clause,
11728 c_parser_omp_variable_list,
11729 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11730 c_parser_omp_clause_copyprivate,
11731 c_parser_omp_clause_default,
11732 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11733 c_parser_omp_clause_lastprivate,
11734 c_parser_omp_clause_nowait,
11735 c_parser_omp_clause_num_threads,
11736 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11737 c_parser_omp_clause_reduction,
11738 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11739 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11740 c_parser_omp_atomic, c_parser_omp_barrier,
11741 c_parser_omp_critical, c_parser_omp_flush,
11742 c_parser_omp_for_loop, c_parser_omp_for,
11743 c_parser_omp_master, c_parser_omp_ordered,
11744 c_parser_omp_sections_scope, c_parser_omp_sections,
11745 c_parser_omp_parallel, c_parser_omp_single,
11746 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11747 * c-pragma.c (init_pragma): Do omp pragma registration here.
11748 * c.opt (fopenmp): New flag.
11750 2006-01-18 Eric Christopher <echristo@apple.com>
11752 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11753 * config/darwin.h (GOMP_SELF_SPECS): Define.
11755 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11757 * rtl.h: Remove the prototype for reg_alloc.
11759 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11762 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11763 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11764 sjlj and dwarf2 exception handling.
11765 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11766 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11767 * pa/pa.c (function_value): Treat complex and vector types as
11769 (function_arg): Likewise. Only pass scalar floats in the floating
11770 point argument registers.
11771 * pa/t-slibgcc-dwarf-ver: New file.
11772 * pa/t-slibgcc-sjlj-ver: New file.
11773 * pa/t-slibgcc-elf-ver: Delete file.
11775 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11777 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11778 unlikely_test_section_p test.
11780 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11782 * mode-switching.c (optimize_mode_switching): Make it static.
11783 * basic-block.h: Remove the prototype for
11784 optimize_mode_switching.
11786 * modulo-sched.c (sms_schedule): Make it static.
11787 * rtl.h: Remove the prototype for sms_schedule.
11789 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11790 * rtl.h: Remove the prototype for gcse_after_reload_main.
11792 * reg-stack.c (reg_to_stack): Make it static.
11793 * rtl.h: Remove the prototype for reg_to_stack.
11795 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11797 * rtl.h: Remove the prototypes for regrename_optimize and
11798 copyprop_hardreg_forward.
11800 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11802 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11803 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11804 Test against the appropriate null constant for the mode.
11805 If 'fixup_overlap' is true, swap the operands if they overlap.
11806 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11807 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11808 alpha_split_tmode_pair and adjust for above change.
11809 * config/alpha/alpha.md (movtf_internal): Adjust call to
11810 alpha_split_tfmode_pair and rely on it to swap the operands.
11811 (movti_internal): New insn and post-reload splitter.
11812 (movti): New expander.
11814 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11816 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11819 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11821 * rtlanal.c (global_reg_mentioned_p_1,
11822 global_reg_mentioned_p): Remove.
11823 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11825 * flow.c (initialize_uninitialized_subregs): Make it static.
11826 * rtl.h: Remove the prototype for
11827 initialize_uninitialized_subregs.
11829 * function.c (instantiate_virtual_regs): Make it static.
11830 * function.h: Remove the prototype for
11831 instantiate_virtual_regs.
11833 * regmove.c (regmove_optimize, combine_stack_adjustments):
11835 * rtl.h: Remove the prototypes for regmove_optimize and
11836 combine_stack_adjustments.
11838 2006-01-17 Roger Sayle <roger@eyesopen.com>
11840 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11841 (size_cost): Encode costs in bytes so that a reg-reg addition is
11842 equivalent to COSTS_N_INSNS(1).
11843 (override_options): Use the size_cost.branch_cost as the default
11844 ix86_branch_cost when optimizing for size.
11846 2006-01-18 Ben Elliston <bje@au.ibm.com>
11848 * Makefile.in (D32PBIT_FUNCS): New.
11849 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11850 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11851 D64PBIT_FUNCS and D128PBIT_FUNCS.
11852 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11853 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11855 (decnumber_dep): Define.
11856 * doc/libgcc.texi (Decimal float library routines): New node.
11857 * config/dfp-bit.h, config/dfp-bit.c: New files.
11859 2006-01-18 Ben Elliston <bje@au.ibm.com>
11861 * expr.c (emit_move_change_mode): Always adjust addresses, not
11862 just during reload. Copy replacements only during reload.
11863 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11864 emit_move_via_integer.
11866 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11868 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11869 instead of $(srcdir) and ${srcdir}.
11871 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11874 PR middle-end/11135
11875 * arm.h (struct machine_function): Add pic_reg.
11876 * arm.c (arm_pic_register): Make unsigned.
11877 (arm_override_options): Only set arm_pic_register if
11878 TARGET_SINGLE_PIC_BASE.
11879 (use_return_insn): Only test for a pic register if it is fixed.
11880 (arm_compute_save_reg0_reg12_mask): Likewise.
11881 (thumb_compute_save_reg_mask): Likewise.
11882 (legitimate_pic_operand): Factor out some known invariants.
11883 (legitimize_pic_address): If we don't have a fixed pic register,
11884 then set up a pseudo in the function entry sequence. Handle the
11885 pic base being in a pseudo.
11886 (arm_load_pic_register): Handle the pic register being in a pseudo.
11887 (arm_expand_prologue): Only set up the pic register if it is fixed.
11888 (thumb_expand_prologue): Likewise.
11889 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11890 (pic_load_addr_based_insn): Likewise.
11891 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11894 2006-01-18 Ben Elliston <bje@au.ibm.com>
11896 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11897 decimal float modes for all floating point registers.
11899 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11900 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11902 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11905 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11906 even when the pointer is not NULL.
11908 2006-01-16 Ian Lance Taylor <ian@airs.com>
11910 * common.opt (ftoplevel-reorder): New option.
11911 * cgraph.c (cgraph_asm_nodes): New global variable.
11912 (cgraph_asm_last_node): New static variable.
11913 (cgraph_order): New global variable.
11914 (cgraph_create_node): Set new order field.
11915 (cgraph_varpool_node): Likewise.
11916 (decide_is_variable_needed): Return true if not
11917 flag_toplevel_reorder.
11918 (cgraph_add_asm_node): New function.
11919 * cgraph.h (struct cgraph_node): Add order field.
11920 (struct cgraph_varpool_node): Add order field.
11921 (struct cgraph_asm_node): Define.
11922 (cgraph_asm_nodes, cgraph_order): Declare.
11923 (cgraph_add_asm_node): Declare.
11924 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11926 (cgraph_varpool_assemble_pending_decls): Call it.
11927 (cgraph_output_pending_asms): New static function.
11928 (cgraph_finalize_compilation_unit): Call it.
11929 (struct cgraph_order_sort): Define.
11930 (cgraph_output_in_order): New static function.
11931 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11932 !flag_toplevel_reorder case.
11933 * c-parser.c: Include "cgraph.h".
11934 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11936 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11937 than -fno-unit-at-a-time.
11938 * doc/invoke.texi (Option Summary): Mention
11939 -fno-toplevel-reorder.
11940 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11941 -funit-at-a-time documentation.
11943 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11944 Kazu Hirata <kazu@codesourcery.com>
11946 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11948 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11950 * Makefile.in (FUNCTION_H): New. Use it instead of
11951 function.h throughout the file.
11952 * function.h: Include tree.h.
11954 2006-01-17 Ben Elliston <bje@au.ibm.com>
11956 * recog.c: Separate some functions with whitespace.
11958 2006-01-16 Richard Henderson <rth@redhat.com>
11960 Merge from gomp branch:
11961 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11962 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11963 and rename from struct inline_data. Rename callee* to dst*;
11964 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11965 transform_new_cfg, transform_return_to_modify, and
11966 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11968 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11969 (copy_decl_for_dup): Remove.
11970 * tree-inline.c (struct inline_data): Move to header.
11971 (insert_decl_map): Export.
11972 (remap_decl): Update for member name changes. Use copy_decl hook.
11973 Allow for replacement to be a non-decl. Remove dead code.
11974 (remap_type_1): Check for existing mapping.
11975 (remap_type): Export.
11976 (remap_decls): Update for member name changes.
11977 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11978 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11979 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11980 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11981 (tree_function_versioning, build_duplicate_type): Likewise.
11982 (copy_body_r): Likewise. Export.
11983 (copy_decl_for_dup): Split into ...
11984 (copy_decl_for_dup_finish, copy_decl_to_var,
11985 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11986 (replace_ref_tree, inlining_p): Remove.
11988 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11990 * ifcvt.c (if_convert): Make it static.
11991 * rtl.h: Remove the prototype for if_convert.
11993 * local-alloc.c (local_alloc): Make it static.
11994 * rtl.h: Remove the prototype for local_alloc.
11996 * loop.c (loop_optimize): Make it static.
11997 * cfgloop.h: Remove the prototype for loop_optimize.
12000 2006-01-16 DJ Delorie <dj@redhat.com>
12002 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12005 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12007 * pa.md: Disparage copies between general and floating-point registers
12008 in 32-bit move patterns.
12010 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12013 * Makefile.in (check-%): Depend on site.exp instead of
12014 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12017 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12019 * global.c (global_alloc): Make it static.
12020 * rtl.h: Remove the prototype for global_alloc.
12022 2006-01-16 Richard Guenther <rguenther@suse.de>
12024 * tree-ssa-alias.c (struct used_part): Add write_only field.
12025 (get_or_create_used_part_for): Initialize it to true.
12026 (create_overlap_variables_for): Don't create structure variables
12027 for structures that only are written to.
12028 (find_used_portions): Handle MODIFY_EXPR to track whether a
12029 structure is only written to.
12031 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12033 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12035 * basic-block.h: Remove the prototype for
12036 partition_hot_cold_basic_blocks.
12038 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12040 * cppspec.c (lang_specific_spec_functions): Remove.
12041 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12042 * gcc.h (lang_specific_spec_functions): Remove.
12043 * gccspec.c (lang_specific_spec_functions): Remove.
12045 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12047 * combine.c (record_value_for_reg): Invalidate registers
12049 (record_dead_and_set_regs_1): Likewise, by passing them to
12050 record_value_for_reg.
12051 (record_dead_and_set_regs): Invalidate stores made by a
12052 call. We do not combine across a call, but we still
12053 relied on equivalences.
12055 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12057 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12058 vrp_int_const_binop returning non-constant nodes.
12060 2006-01-16 Paul Brook <paul@codesourcery.com>
12062 * config/m68k/m68k.c (output_move_const_into_data_reg):
12063 Output correct mnemonic for mvz and mvs.
12065 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12067 * rtl-factoring.c: Add sequence abstraction algorithm.
12068 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12069 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12071 (block_has_preserve_label): New function.
12072 * common.opt: Register new pass.
12073 * Makefile.in: Ditto.
12075 * timevar.def: Ditto.
12076 * tree-pass.h: Ditto.
12077 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12078 * rtl.h (make_jump_insn_raw): Add forward decl.
12079 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12081 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12082 Roger Sayle <roger@eyesopen.com>
12084 * fold-const.c (fold_minmax): New static function.
12085 (fold_binary) <MIN_EXPR>: Call it.
12086 <MAX_EXPR>: Likewise.
12087 * stor-layout.c (place_field): Use DECL_SIZE consistently
12088 in the computation of the new record size.
12090 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12092 * cse.c (cse_condition_code_reg): Make it static.
12093 * rtl.h: Remove the prototype for cse_condition_code_reg.
12095 * combine.c (combine_instructions): Make it static.
12096 * rtl.h: Remove the prototype for combine_instructions.
12098 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12101 * tree.c (get_file_function_name_long): Concatenate the first global
12102 object name with a string derived from the input filename of the object
12105 2006-01-16 Ben Elliston <bje@au.ibm.com>
12107 * config/i386/winnt-stubs.c: Update FSF address.
12108 * config/xtensa/ieee754-df.S: Ditto.
12109 * config/xtensa/ieee754-sf.S: Ditto.
12111 2006-01-14 Ian Lance Taylor <ian@airs.com>
12113 * ifcvt.c (noce_init_if_info): New static function, broken out of
12114 noce_process_if_block.
12115 (noce_process_if_block): Call noce_init_if_info.
12116 (check_cond_move_block): New static function.
12117 (cond_move_process_if_block): New static function.
12118 (process_if_block): Call cond_move_process_if_block.
12120 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12122 * cselib.c (hash_table): Rename to cselib_hash_table.
12123 (cselib_clear_table, discard_useless_values,
12124 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12125 cselib_init, cselib_finish): Adjust uses of hash_table.
12127 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12129 PR tree-optimization/25485
12130 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12131 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12132 is known to be false and true, respectively.
12134 2006-01-14 Richard Guenther <rguenther@suse.de>
12136 PR tree-optimization/22548
12137 PR tree-optimization/22555
12138 PR tree-optimization/22501
12139 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12140 * params.def (salias-max-array-elements): New parameter.
12141 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12142 * doc/invoke.texi (salias-max-array-elements): Document.
12143 * tree-flow-inline.h (var_can_have_subvars): We also handle
12145 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12147 * tree-ssa-structalias.c (params.h): Include.
12148 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12149 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12150 (get_constraint_for): For ADDR_EXPR operating on something
12151 containing an ARRAY_REF, add all subvars to the solution.
12152 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12153 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12154 for creating MUST_DEFs.
12155 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12157 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12159 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12161 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12162 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12163 number_of_iterations_le): New functions.
12164 (number_of_iterations_special): Removed.
12165 (number_of_iterations_exit): Do not use number_of_iterations_special.
12166 * tree.c (unsigned_type_for): Always return integer type.
12168 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12169 Richard Guenther <rguenther@suse.de>
12171 PR rtl-optimization/24257
12172 * gcse.c (find_moveable_store): Only consider a store movable
12173 when the SET_SRC of the insn can be assigned to a register.
12175 2006-01-14 Ian Lance Taylor <ian@airs.com>
12177 * tree.c (tree_not_class_check_failed): New function.
12178 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12179 (tree_not_class_check_failed): Declare.
12181 2006-01-13 Ian Lance Taylor <ian@airs.com>
12183 * reload1.c (do_output_reload): Add assertion rejecting a
12186 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12188 * combine.c (struct reg_stat): Add new fields truncation_label and
12190 (record_value_for_reg): Reset truncated_to_mode.
12191 (record_truncated_value): New function.
12192 (check_promoted_subreg): Call it. Rename to check_conversions.
12193 (combine_instructions): Rename check_promoted_subreg to
12195 (reg_truncated_to_mode): New function.
12196 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12197 (gen_lowpart_or_truncate): New function.
12198 (force_to_mode): Use it instead of gen_lowpart.
12200 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12202 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12203 VAR is a tag, not its type tag.
12205 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12207 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12208 alternatives to match style of other entries.
12209 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12211 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12213 PR tree-optimization/25771
12214 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12217 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12220 * tree-inline.c (declare_return_variable): If the return variable
12221 was marked as a non gimple complex, set the return slot variable
12222 to be a non gimple comple variable.
12224 2006-01-13 Richard Guenther <rguenther@suse.de>
12226 * builtins.c (expand_builtin_sincos): New function.
12227 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12229 (expand_builtin): Expand sincos using expand_builtin_sincos.
12231 2006-01-12 DJ Delorie <dj@redhat.com>
12233 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12234 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12235 so that constant shifts can be split.
12236 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12237 (m32c_valid_pointer_mode): Make static.
12238 (shift_gen_func_for): New.
12239 (m32c_prepare_shift): Use it. Split large const shifts into
12241 * config/m32c/predicates.md (shiftcount_operand): Allow more
12243 (longshiftcount_operand): New.
12244 * doc/md.texi (Machine Constraints): Document In6.
12246 2006-01-13 Ben Elliston <bje@au.ibm.com>
12248 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12249 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12252 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12254 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12255 to try to avoid clobbering pieces of structures when we know
12256 something about the whole structure.
12257 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12259 2006-01-13 Ben Elliston <bje@au.ibm.com>
12261 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12262 return in memory, as this is no limitation is no longer present.
12264 2006-01-12 DJ Delorie <dj@redhat.com>
12266 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12267 mova with fb, and for fb+0 -> An.
12269 * config/m32c/mov.md (peephole2): Fix enabling logic.
12271 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12272 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12273 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12274 FINI_ARRAY_SECTION_ASM_OP): Define.
12276 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12278 (m32c_legitimize_reload_address): New logic to reload FB to An.
12279 (m32c_output_reg_push): Add newline.
12280 (m32c_output_reg_pop): Likewise.
12282 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12284 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12286 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12288 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12290 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12292 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12295 2006-01-11 Ben Elliston <bje@au.ibm.com>
12297 * rtlanal.c (find_reg_note): Assert insn is not null.
12299 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12301 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12304 2006-01-11 Jeff Law <law@redhat.com>
12306 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12308 (mark_threaded_blocks, register_jump_thread): New functions.
12309 (thread_through_all_blocks): Remove unwanted argument. No
12310 longer rely on e->aux to communicate thread target info.
12311 Call mark_threaded_blocks. Release the threaded_blocks
12312 bitmap and threaded_edges vector when complete.
12313 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12314 (threaded_blocks): Remove.
12315 (tree_ssa_dominator_optimize): Remove initialization and
12316 finalization of threaded_blocks. Simplify call to
12317 thread_through_all_blocks.
12318 (thread_across_edge): Call register_jump_thread rather than
12319 storing thread information into e->aux.
12320 (free_all_edge_infos): Simplify now that e->aux is no longer
12321 used to communicate with thread_through_all_blocks.
12322 * tree-flow.h (thread_through_all_blocks): Update prototype.
12323 (register_jump_thread): Prototype.
12325 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12327 * df-core.c (df_compact_blocks, df_bb_replace): Use
12328 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12330 2006-01-11 Richard Guenther <rguenther@suse.de>
12332 PR tree-optimization/25734
12333 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12334 stop propagation after successful propagation to the LHS.
12336 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12338 * basic-block.h (control_flow_graph): Change the type of
12339 x_basic_block_info to VEC(basic_block,gc) *.
12340 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12342 (SET_BASIC_BLOCK): New.
12343 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12344 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12345 * cfgbuild.c (find_basic_blocks): Likewise.
12346 * cfglayout.c (fixup_reorder_chain): Likewise.
12347 * cfgrtl.c (create_basic_block_structure,
12348 rtl_create_basic_block): Likewise.
12349 * ifcvt.c (find_if_case_1): Likewise.
12350 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12353 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12355 * Makefile.in: Removed rotted odf.c entry.
12357 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12360 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12361 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12362 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12363 output pattern modifier, not %e.
12364 * config/cris/cris.c (cris_op_str): Update comment about pattern
12366 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12367 before falling through into...
12368 <case 'E'>: Redefined from old 'e' case.
12370 2006-01-11 Jan Hubicka <jh@suse.cz>
12373 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12375 2006-01-11 Jan Hubicka <jh@suse.cz>
12377 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12378 * i386.c (x86_decompose_lea): Kill.
12379 (ix86_rtx_costs): Kill.
12381 2006-01-11 Jan Hubicka <jh@suse.cz>
12383 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12384 * cgraph.h (cgraph_node): Add inline_decl.
12385 (cgraph_insert_node_to_hashtable): Declare.
12386 (save_inline_function_body): Declare.
12387 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12389 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12390 (cgraph_function_versioning): Update call of tree_function_versioning.
12391 (save_inline_function_body): New function.
12392 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12393 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12394 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12395 (cgraph_default_inline_p): Likewise.
12396 (cgraph_decide_inlining_incrementally): Likewise.
12397 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12398 (copy_bb): Kill saving; do updating of clones.
12399 (copy_cfg_body): Kill saving.
12400 (initialize_inlined-parameters): Likewise.
12401 (expand_call_inline): Likewise.
12403 (tree_function_versioning): New parameter "update_clones".
12404 (inlining_p): Kill saving.
12405 * tree-inline.h (tree_function_versioning): Update prototype.
12406 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12409 2006-01-11 Ian Lance Taylor <ian@airs.com>
12411 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12412 Allow undoing set of machine mode.
12413 (do_SUBST): Use enums instead of is_int.
12414 (do_SUBST_MODE): New function.
12415 (SUBST_MODE): New macro.
12416 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12417 reg and trying to replace reg_regno_rtx with a new register.
12418 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12419 (simplify_set): Use SUBST_MODE.
12420 (distribute_notes): Remove code that tried to update reg notes
12421 for regno_reg_rtx changes.
12423 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12425 PR tree-optimization/23109
12426 PR tree-optimization/23948
12427 PR tree-optimization/24123
12429 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12430 * tree-cfg.c (single_noncomplex_succ): New.
12431 * tree-flow.h (single_noncomplex_succ): Declare it.
12432 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12433 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12434 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12435 insert_bb, register_division_in, insert_reciprocals,
12436 replace_reciprocal, free_bb): New.
12437 (execute_cse_reciprocals_1): Rewritten.
12438 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12439 Do not commit any edge insertion. Always compute dominators and
12440 create the allocation pool.
12441 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12442 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12443 * targhooks.c (default_min_divistions_for_recip_mul): New.
12444 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12445 * passes.c (init_optimization_passes): Run recip after tree loop
12447 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12449 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12450 Kenneth Zadeck <zadeck@naturalbridge.com>
12452 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12453 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12454 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12455 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12456 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12457 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12458 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12459 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12460 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12461 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12462 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12463 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12464 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12465 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12466 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12467 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12468 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12469 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12470 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12471 DF_SCAN_POST_ALLOC): New macros.
12472 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12473 df_free_bb_function, df_local_compute_function, df_init_function,
12474 df_dataflow_function, df_confluence_function_0,
12475 df_confluence_function_n, df_transfer_function,
12476 df_finalizer_function, df_free_function, df_dump_problem_function,
12477 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12478 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12479 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12480 df_urec_bb_info, ) New types.
12481 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12483 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12484 df_analyze_simple_change_some_blocks,
12485 df_analyze_simple_change_one_block, df_compact_blocks,
12486 df_bb_replace, df_bb_regno_last_use_find,
12487 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12488 df_insn_regno_def_p, df_find_def, df_find_use,
12489 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12490 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12491 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12492 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12493 debug_df_chain, df_get_dependent_problem, df_chain_create,
12494 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12495 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12496 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12497 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12498 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12499 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12500 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12501 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12502 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12503 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12504 df_reorganize_refs, df_set_state, df_hard_reg_init,
12505 df_read_modify_subreg_p) New public functions.
12506 * df-core.c: The core dataflow solver and glue routines for rtl
12508 (df_init, df_add_problem, df_set_blocks, df_finish,
12509 df_hybrid_search_forward, df_hybrid_search_backward,
12510 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12511 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12512 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12513 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12514 df_reg_defined, df_find_use, df_reg_used, df_dump,
12515 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12516 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12517 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12518 debug_df_useno, reset_df_after_reload): New functions.
12519 * df-scan.c: The scanning fuctions, once in df.c, completely
12520 rewritten so that they now fully model the functionality of
12521 register usage at the backend.
12522 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12523 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12524 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12525 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12526 df_get_artificial_defs, df_get_artificial_uses,
12527 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12528 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12529 df_refs_delete, df_reorganize_refs, df_set_state,
12530 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12531 df_def_record_1, df_defs_record, df_uses_record,
12532 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12533 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12534 df_record_exit_block_uses, df_hard_reg_init): New functions.
12536 * df-problems.c: Seven concrete dataflow problems that use the
12537 scanning in df-scan.c and are solved by the engine in df-core.c.
12538 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12539 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12540 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12541 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12542 df_ru_free_bb_info, df_ru_alloc,
12543 df_ru_bb_local_compute_process_def,
12544 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12545 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12546 df_ru_transfer_function, df_ru_free, df_ru_dump,
12547 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12548 df_rd_free_bb_info, df_rd_alloc,
12549 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12550 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12551 df_rd_transfer_function, df_rd_free, df_rd_dump,
12552 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12553 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12554 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12555 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12556 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12557 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12558 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12559 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12560 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12561 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12562 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12563 df_urec_mark_reg_use_for_earlyclobber,
12564 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12565 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12566 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12567 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12568 df_chain_create_bb_process_use, df_chain_create_bb,
12569 df_chain_finalize, df_chain_free, df_chains_dump,
12570 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12571 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12572 df_reg_lifetime): New functions.
12573 * df.c: Deleted file.
12574 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12575 consistent with new df api.
12576 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12577 rest_of_handle_sms): Ditto.
12578 * web.c (unionfind_union, union_defs, entry_register, web_main):
12580 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12581 invariant_expr_equal_p, find_defs, check_dependencies,
12582 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12583 free_inv_motion_data, move_loop_invariants): Ditto.
12584 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12585 Update dependencies.
12586 (odf.c): Added defective entry that was deleted later in day.
12587 * sched-deps.c (sched_analyze_1): Ditto.
12589 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12591 * tree-ssa-operands.c (get_expr_operands): Record addressable
12592 variables directly. Do not call add_stmt_operands for CONST_DECLs
12594 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12595 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12597 2006-01-11 Ben Elliston <bje@au.ibm.com>
12599 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12600 function returns true in the positive case.
12602 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12605 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12606 for SI, DI, SF and DF modes. Add alternatives to copy between
12607 general and floating point registers to the 32-bit patterns.
12608 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12609 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12610 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12611 generating 64-bit code.
12612 * config/pa/pa.c (output_move_double): Handle copies between general
12613 and floating registers.
12615 2006-01-10 Stuart Hastings <stuart@apple.com>
12617 * config/i386/i386.md (set_got): Update.
12618 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12619 (builtin_setjmp_receiver): Mach-O support.
12620 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12621 (GOT_SYMBOL_NAME): Define.
12622 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12623 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12624 * config/i386/i386.c (override_options): Revise for Darwin.
12625 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12626 support. (darwin_x86_file_end): New. (output_set_got): Add label
12627 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12628 * config/i386/i386-protos.h (output_set_got): Likewise.
12629 * config/darwin.c (machopic_legitimize_pic_address): Update
12632 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12634 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12635 when MODE isn't BLKmode.
12637 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12639 PR rtl-optimization/25367
12640 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12642 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12645 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12646 for a negative bound.
12648 2006-01-10 Richard Guenther <rguenther@suse.de>
12650 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12651 Never override with anything constraint.
12653 2006-01-10 Jan Beulich <jbeulich@novell.com>
12655 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12656 256 bits when optimize_size.
12658 2006-01-10 Jan Beulich <jbeulich@novell.com>
12660 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12662 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12663 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12666 2006-01-10 Ben Elliston <bje@au.ibm.com>
12668 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12670 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12671 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12672 (USE_FP_FOR_ARG): Reject decimal float modes.
12673 (function_arg_advance): Likewise.
12674 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12675 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12676 point types in AltiVec vectors.
12677 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12678 (rs6000_libcall_value): Likewise.
12680 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12682 * config/xtensa/ieee754-df.S: New file.
12683 * config/xtensa/ieee754-sf.S: New file.
12684 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12685 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12686 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12688 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12690 * config/sh/predicates.md (binary_float_operator,
12691 binary_logical_operator, commutative_float_operator,
12692 equality_comparison_operator, greater_comparison_operator,
12693 less_comparison_operator, logical_operator,
12694 noncommutative_float_operator, shift_operator,
12695 symbol_ref_operand, unary_float_operator): Remove redundant
12698 2006-01-09 Jeff Law <law@redhat.com>
12700 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12701 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12702 now unused arguments. Callers updated.
12703 (eliminate_redundant_computations): Remove now unused arguments,
12705 (local_fold): Remove, no longer used.
12706 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12708 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12709 (simplify_cond): New function.
12710 (forward_propagate_into_cond): Call simplify_cond.
12712 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12714 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12715 (*vec_extractv2di_1_sse): New.
12717 2006-01-09 Ben Elliston <bje@au.ibm.com>
12719 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12721 2006-01-08 Richard Guenther <rguenther@suse.de>
12723 * tree-ssa-structalias.c (get_constraint_for): Remove
12724 anyoffset argument.
12725 (get_constraint_for_component_ref): Likewise.
12726 (do_deref): Likewise.
12727 (get_constraint_for): Likewise.
12728 (do_structure_copy): Likewise.
12729 (handle_ptr_arith): Likewise.
12730 (find_func_aliases): Likewise. Remove unused need_anyoffset
12733 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12734 Kaz Kojima <kkojima@gcc.gnu.org>
12736 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12737 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12738 (EXTRA_CONSTRAINT_C16): Remove.
12739 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12740 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12741 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12742 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12743 constants of SHmedia. Handle nested constant expressions of
12745 (andcosts): Fix the costs for SHmedia constants.
12746 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12747 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12748 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12749 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12750 (movv4hi_i, movv2si_i): Likewise.
12751 (movsi_const): Adjust the second operand of ior so to match with
12752 the Csu constraint.
12753 (movdi_const, movdi_const_32bit): Likewise.
12754 (movdi_const_16bit+1): Don't sign-extend LOW.
12755 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12757 (*double_shori): Fix the split condition. Use GEN_INT instead
12758 of get_int_mode calls. Mask lower 16-bit of the argument of
12760 (sym2GOTPLT): Remove.
12761 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12763 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12764 instead of EXTRA_CONSTRAINT_C16.
12766 2006-01-07 Ian Lance Taylor <ian@airs.com>
12767 David Edelsohn <edelsohn@gnu.org>
12769 PR rtl-optimization/25662
12770 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12771 for constant operands instead of simplify_gen_binary.
12772 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12773 after trying simplify_binary_operation
12775 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12777 * tree.c (iterative_hash_expr): Hash decls based on UID.
12779 2006-01-06 Eric Christopher <echristo@apple.com>
12781 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12782 (TARGET_UNWIND_EMIT): Fix spelling.
12783 * target.h (gcc_target): Add except_table_label.
12784 * except.c (output_function_exception_table): Use.
12785 * varasm.c (default_emit_except_table_label): New.
12786 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12788 (asm_out): Add here.
12789 * output.h (default_emit_except_table_label): Prototype.
12790 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12791 * config/darwin.c (darwin_emit_except_table_label): Define.
12792 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12794 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12796 PR tree-optimization/18527
12797 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12798 number_of_iterations_special, number_of_iterations_exit):
12799 Move base and step of an iv to a single structure. Add
12800 no_overflow flag, and use it in # of iterations analysis.
12801 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12802 folded_casts argument.
12803 (simple_iv): Pass base and step in a structure. Set no_overflow
12805 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12806 Evaluate expensiveness of computing # of iterations instead of
12807 the final expression.
12808 * tree-scalar-evolution.h (affine_iv): New structure.
12809 (simple_iv): Declaration changed.
12810 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12811 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12812 find_givs_in_stmt): Changed due to simple_iv change.
12814 2006-01-06 Jeff Law <law@redhat.com>
12817 * tree-cfg.c (bsi_replace): Rename final argument from
12818 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12819 change (stmt -> orig_stmt).
12820 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12821 (bsi_remove): Add new argument. Remove EH information
12823 (verify_eh_throw_table_statements): New function.
12824 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12826 * tree-optimize.c (execute_free_cfg_annotations): Verify
12827 the EH throw statement table after removing annotations.
12828 * except.h (verify_eh_throw_table_statements): Prototype.
12829 * tree-flow.h (bsi_remove): Update prototype.
12830 * tree-vrp.c (remove_range_assertions): Add new argument to
12832 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12833 * tree-complex.c (expand_complex_div_wide): Likewise.
12834 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12835 * tree-tailcall.c (eliminate_tailcall): Likewise.
12836 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12837 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12838 * tree-nrv.c (tree_nrv): Likewise.
12839 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12840 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12841 (combine_blocks): Likewise.
12842 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12843 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12844 (cleanup_control_flow): Likewise.
12845 (remove_forwarder_block): Likewise.
12846 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12847 * tree-sra.c (sra_replace): Likewise.
12848 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12849 (forward_propagate_single_use_vars): Likewise.
12850 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12851 * tree-inline.c (expand_call_inline): Likewise.
12852 * tree-vect-transform.c (vect_transform_loop): Likewise.
12853 * tree-outof-ssa.c (rewrite_trees): Likewise.
12854 * tree-cfg.c (make_goto_expr_edges): Likewise.
12855 (cleanup_dead_labels): Likewise.
12856 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12857 (bsi_move_before, bsi_move_after): Likewise.
12858 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12859 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12861 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12864 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12866 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12867 on non gimple variables. Also add checks at the top for decls and
12869 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12871 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12872 and IMAGPART_EXPR for creating MUST_DEFs.
12873 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12874 and NAME_MEMORY_TAG separately from the DECLs.
12876 2006-01-06 Richard Guenther <rguenther@suse.de>
12878 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12879 annotation, if necessary.
12880 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12881 redundant calls to update_stmt.
12882 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12885 2006-01-05 Richard Henderson <rth@redhat.com>
12887 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12889 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12891 * c-typeck.c: Update copyright date.
12893 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12895 * c-typeck.c (build_c_cast): Always warn when casting
12896 from a pointer to an integer of different size, even if
12897 the node was constant.
12899 2006-01-05 Richard Guenther <rguenther@suse.de>
12901 PR tree-optimization/22555
12902 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12903 if one structure field is an array.
12904 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12905 operands even if we found a subvar, but ignore VOPs in this
12907 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12909 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12911 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12913 PR middle-end/24998
12914 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12916 2006-01-05 Richard Guenther <rguenther@suse.de>
12917 Diego Novillo <dnovillo@redhat.com>
12919 * tree-pass.h (TODO_remove_unused_locals): Define.
12920 * gimple-low.c (expand_var_p, remove_useless_vars,
12921 pass_remove_useless_vars): Remove. Update all users.
12922 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12923 (remove_unused_locals): New function.
12924 * tree-flow.h (remove_unused_locals): Declare.
12925 * passes.c (execute_todo): Call remove_unused_locals if
12926 TODO_remove_unused_locals is set.
12927 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12928 * tree-ssa-dce.c (pass_dce): Likewise.
12929 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12931 2006-01-05 Richard Guenther <rguenther@suse.de>
12933 * tree-flow.h (struct fieldoff): Decompose field to
12934 type, size and decl.
12935 * tree-ssa-alias.c (create_sft): Take type as parameter.
12936 (create_overlap_variables_for): Store type, size and decl
12937 in the fieldoff structure.
12938 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12939 of struct fieldoff.
12940 (push_fields_onto_fieldstack): Likewise.
12941 (create_variable_info_for): Likewise. Use offset for the
12942 SFT name if the decl is not available.
12944 2006-01-04 Paul Brook <paul@codesourcery.com>
12946 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12948 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12950 * lambda-code.c (can_put_in_inner_loop): Relax
12952 (can_put_after_inner_loop): New function.
12953 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12954 (perfect_nestify): Change to make copies and modify uses.
12956 2006-01-04 Richard Henderson <rth@redhat.com>
12958 Merge from gomp branch:
12959 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12960 via integer constant.
12961 (pragma_lex): Remove.
12962 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12963 rather than parsing it.
12964 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12965 handle_pragma_extern_prefix): Add %< %> quotes.
12966 (registered_pragmas): New.
12967 (c_register_pragma_1): New.
12968 (c_register_pragma): Use it.
12969 (c_register_pragma_with_expansion): Likewise.
12970 (c_invoke_pragma_handler): New.
12971 (init_pragma): Use cpp_register_deferred_pragma directly for
12973 * c-pragma.h (enum pragma_kind): New.
12974 (pragma_handler): New.
12975 (c_invoke_pragma_handler): Declare.
12976 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12978 * c-common.h (c_common_pch_pragma): Update decl.
12979 * Makefile.in (c-parser.o): Update dependencies.
12980 (GTFILES): Add c-pragma.h.
12981 * c-parser.c (struct c_token): Add pragma_kind.
12982 (struct c_parser): Add in_pragma.
12983 (c_lex_one_token): Always initialize keyword and pragma_kind.
12984 Extract data for CPP_PRAGMA.
12985 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12986 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12987 Don't allow CPP_PRAGMA_EOL if in_pragma.
12988 (c_parser_consume_pragma): New.
12989 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12990 (c_parser_skip_to_end_of_parameter): Likewise.
12991 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12992 (c_parser_skip_to_pragma_eol): New.
12993 (c_parser_external_declaration): Handle CPP_PRAGMA.
12994 (c_parser_compound_statement_nostart): Likewise.
12995 (c_parser_statement_after_labels): Likewise.
12996 (c_parser_pragma): New.
12997 (pragma_lex): Likewise.
12998 (c_parser_pragma_pch_preprocess): New.
12999 (c_parser_new): Merge into ...
13000 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13002 2006-01-04 Jeff Law <law@redhat.com>
13005 * tree-cfg.c (bsi_replace): Remove the original statement
13006 from the EH throw statement table.
13008 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13010 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13011 make the prototype extern "C" and add throw ().
13014 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13015 and pos non-negative and pos + len <= 32.
13016 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13017 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13018 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13021 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13022 as well as sizes not multiple of component size.
13025 * function.c (instantiate_expr): New function.
13026 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13027 walk its DECL_VALUE_EXPR with instantiate_expr.
13029 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13030 DW_OP_deref{,_size} if address isn't going to be added.
13032 2006-01-04 Ben Elliston <bje@au.ibm.com>
13034 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13035 * config/fp-bit.c: Likewise.
13037 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13039 * dominance.c: Add comment about why we use DFS numbering
13042 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13043 Richard Henderson <rth@redhat.com>
13045 Merge from gomp-branch:
13046 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13047 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13049 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13051 PR rtl-optimization/25578
13052 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13053 pass a parameter to simplify_shift_const if changing ASHIFTRT
13056 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13058 * builtins.c (get_builtin_sync_mem): New function.
13059 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13060 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13061 Call get_builtin_sync_mem to generate mem rtx.
13063 2006-01-03 Richard Guenther <rguenther@suse.de>
13066 * stmt.c (add_case_node): Make sure to clear overflow flags
13069 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13071 Merge from gomp-branch.
13072 * config/sparc/sync.md: New file.
13073 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13074 UNSPECV_LDSTUB): New constants.
13075 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13076 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13077 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13080 2006-01-03 Roger Sayle <roger@eyesopen.com>
13082 * combine.c (reg_subword_p): New predicate to test whether the
13083 destination of a set refers to a subword/piece of a register.
13084 (try_combine): Generalize the code to merge the setting of a
13085 pseudo to a constant followed by a set of a subword of that
13086 register to a constant.
13088 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13090 * basic-block.h (control_flow_graph): Change the type of
13091 x_label_to_block_map to VEC(basic_block,gc) *.
13092 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13093 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13095 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13096 VEC(basic_block,heap) *.
13097 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13098 ssa_prop_fini): Adjust the uses of cfg_blocks.
13100 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13102 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13104 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13105 hashing trees instead of a pointer hash.
13106 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13107 compare for MEM_EXPR.
13109 PR rtl-optimization/25130
13110 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13111 when comparing MEMs for GCSE
13113 2006-01-03 Ben Elliston <bje@au.ibm.com>
13115 * targhooks.h (default_decimal_float_supported_p): Declare.
13116 * targhooks.c (default_decimal_float_supported_p): Define.
13117 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13118 `default_decimal_float_supported_p'.
13119 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13121 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13123 * combine.c (apply_distributive_law <SUBREG>): Check
13124 TRULY_NOOP_TRUNCATION.
13126 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13128 * dwarf2out.c (have_switched_text_section): Delete.
13129 (have_multiple_function_sections): New.
13130 (have_location_lists): Make 'bool'.
13131 (add_AT_loc_list): Use 'true' not '1'.
13132 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13133 (output_loc_list): Use have_multiple_function_sections.
13134 (output_ranges): Likewise.
13135 (dwarf2out_begin_function): Set have_multiple_function_sections if
13137 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13138 Check function_section rather than DECL_SECTION_NAME.
13139 (dwarf2out_finish): Use have_multiple_function_sections.
13140 Don't clear have_location_lists.
13142 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13143 Jan Hubicka <jh@suse.cz>
13145 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13146 case of conditional jump jumping to the next instruction.
13147 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13148 cases of conditional jump jumping to the next instruction.
13150 2006-01-02 Jan Hubicka <jh@suse.cz>
13152 * i386.c (*_cost): Add COSTS_N_INSNS.
13153 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13155 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13158 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13160 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13162 * config/arm/arm.c (all_fpus): Fix comment typo.
13163 * config/darwin.c: Likewise.
13164 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13165 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13166 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13168 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13170 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13171 (rs6000_split_compare_and_swapqhi): New.
13172 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13173 (sync_compare_and_swapqhi_internal): New.
13174 * config/rs6000/rs6000-protos.h: Declare.