1 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3 * config/sparc/sparc.md (setjmp): Rewrite.
7 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
19 PR rtl-optimization/26296
20 * Makefile.in (loop-invariant.c): Add except.h dependency.
21 * loop-invariant.c: Include except.h.
22 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
24 2005-02-16 Paul Brook <paul@codesourcery.com>
26 * reload1.c (emit_reload_insns): Invalidate dead input registers used
29 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
31 PR rtl-optimization/25636
32 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
33 when deciding whether an insn is an initializing insn.
35 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
37 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
38 (tree_code_size): Ditto.
39 * tree.h (struct tree_memory_tag): Remove parent_var.
40 (struct tree_struct_field_tag): New.
43 (union tree_node): Add sft member.
44 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
46 (create_sft): Add size and offset argument, set SFT_OFFSET and
48 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
49 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
50 * tree-flow-inline.h (get_subvar_at): Update for
52 (var_can_have_subvars): Ditto.
53 (overlap_subvar): Ditto.
54 * print-tree.c (print_node): Print out interesting things for
56 * tree-flow.h (struct subvar): Remove offset and size members.
57 * tree-ssa-operands.c (get_expr_operands): Update for
58 get_indirect_ref_operands changes.
59 (get_indirect_ref_operands): Call add_virtual_operand instead of
60 add_stmt_operand. Only recurse on base var if requested.
61 (access_can_touch_variable): New function.
62 (add_stmt_operand): Split virtual operand handling into ...
63 (add_virtual_operand): Here. Add offset, size, and for_clobber
64 arguments. Prune alias sets.
65 (add_call_clobber_ops): Call add_virtual_operand.
67 2006-02-15 Jakub Jelinek <jakub@redhat.com>
70 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
72 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
73 than TREE_CODE as index into omp_clause_num_ops array.
75 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
77 PR rtl-optimization/26184
78 * modulo-sched.c (generate_reg_moves): Free bitmap vector
80 * modulo-sched.c (sms_schedule): Free g_arr pointer.
81 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
82 must_precede, must_follow and tobe_scheduled.
85 * opts.c (common_handle_option): Free new_option pointer.
86 * df-core.c (df_analyze): Free postorder pointer.
88 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
90 * Makefile.in: Fix the examples about the use of stamps
92 2006-02-15 Michael Matz <matz@suse.de>
96 * stor-layout.c (layout_decl): Zero-width bitfields aren't
97 influenced by maximum_field_alignment or DECL_PACKED.
98 (update_alignment_for_field): Ditto.
100 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
103 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
105 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
106 (debug_flow_info): Pass it.
107 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
108 * bb-reorder.c (reorder_basic_blocks): Likewise.
109 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
110 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
111 * flow.c (life_analysis, recompute_reg_usage): Likewise.
112 * gcse.c (gcse_main, bypass_jumps): Likewise.
113 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
114 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
115 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
116 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
117 * rtl.h (dump_flow_info): Adjust prototype.
118 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
119 * var-tracking.c (variable_tracking_main): Likewise.
120 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
121 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
124 2006-02-15 Marcin Dalecki <martin@dalecki.de>
126 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
129 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
131 PR tree-optimization/26209
132 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
133 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
135 * tree-cfg.c (replace_uses_by): Do not alter cfg.
137 2006-02-14 Roger Sayle <roger@eyesopen.com>
140 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
141 (X,Y) and the corresponding symmetry related transformations.
142 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
143 (X,Y) and its symmetry related transformations.
145 2006-02-14 Roger Sayle <roger@eyesopen.com>
147 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
150 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
152 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
154 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
157 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
158 support COMDAT group.
159 * configure: Regenerate.
161 2006-02-14 Roger Sayle <roger@eyesopen.com>
166 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
168 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
170 Fix PR tree-optimization/26260
172 * doc/invoke.texi (max-fields-for-field-sensitive): Document
174 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
175 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
176 * tree-ssa-structalias.c (create_variable_info_for): Use
177 MAX_FIELDS_FOR_FIELD_SENSITIVE.
179 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
181 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
183 * tree-ssa-loop-niter.c (number_of_iterations_ne,
184 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
185 of the ending condition.
186 * tree-ssa-loop-manip.c: Include params.h.
187 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
188 tree_unroll_loop): New functions.
189 * tree-pass.h (pass_loop_prefetch): Declare.
190 * loop.c (rest_of_handle_loop_optimize): Test for
191 -fprefetch-loop-arrays-rtl.
192 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
193 * timevar.def (TV_TREE_PREFETCH): New timevar.
194 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
195 pass_loop_prefetch): New.
196 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
197 (cleanup_tree_cfg_loop): Call scev_reset.
198 * common.opt (fprefetch-loop-arrays-rtl): Add.
199 * tree-ssa-loop-prefetch.c: New file.
200 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
201 (new_temp_expr_table): Initialize expr_vars.
202 (free_temp_expr_table): Cleanup expr_vars.
203 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
204 expressions from being merged into one.
205 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
206 (struct tree_niter_desc): Add control, bound and cmp fields.
207 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
209 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
210 (tree-cfgcleanup.o): Add SCEV_H dependency.
211 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
212 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
214 2006-02-14 Richard Guenther <rguenther@suse.de>
216 PR tree-optimization/26258
217 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
218 in PHI argument processing.
220 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
222 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
223 new expression in the requested machine mode.
225 2006-02-13 Roger Sayle <roger@eyesopen.com>
227 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
228 directly, instead let do_compare_rtx_and_jump handle this for us.
229 * expr.c (expand_expr_real_1): Likewise.
230 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
231 before do_jump_by_parts_greater.
232 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
233 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
235 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
237 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
239 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
241 PR rtl-optimization/26235
242 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
243 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
246 2006-02-13 Jeff Law <law@redhat.com>
248 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
251 2006-02-13 Jakub Jelinek <jakub@redhat.com>
254 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
255 twice if decl is a builtin. When trying again, call get_callee_fndecl
256 first to verify it is still a builtin.
258 2006-02-13 Geoffrey Keating <geoffk@apple.com>
260 * dwarf2out.c (base_type_die): Don't add AT_name here.
261 (subrange_type_die): Don't add AT_name here.
262 (modified_type_die): Rearrange code flow. Do add AT_name here.
264 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
266 PR rtl-optimization/26247
267 PR rtl-optimization/26248
268 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
270 2006-02-13 Richard Sandiford <richard@codesourcery.com>
272 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
273 * config/fixtfdi.c: Likewise.
274 * config/fixunstfdi.c: Likewise.
275 * config/floatditf.c: Likewise.
277 2006-02-13 Roger Sayle <roger@eyesopen.com>
280 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
281 into (X,C2) if C1 is a subset of the bits of C2. Transform
282 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
284 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
286 2006-02-13 Josh Conner <jconner@apple.com>
289 * varasm.c (function_section): Check for section name before
290 calling select_section on targets that define
291 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
292 unlikely_text_section instead of hot_function_section if
293 first_function_block_is_cold.
295 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
298 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
300 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
302 PR rtl-optimization/26222
303 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
304 after tree->rtl expansion.
305 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
306 before passing it to emit_move_insn.
308 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
310 * doc/invoke.texi (-Write-strings): Document that it is enabled by
312 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
313 Clarify documentation.
314 * c-common.h (warn_write_strings): Remove.
315 * c-common.c (warn_write_strings): Likewise.
316 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
319 2006-02-12 Roger Sayle <roger@eyesopen.com>
322 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
323 (do_jump_parts_zero_rtx): New function renamed from
324 do_jump_parts_equality_rtx. Made static. Add a mode argument.
325 (do_jump_parts_equality_rtx): New function split out from
326 do_jump_parts_equality. Old implementation renamed as above.
327 Call do_jump_parts_zero_rtx if either operand is zero.
328 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
329 do all of the heavy lifting.
330 (do_compare_rtx_and_jump): Handle multi-word comparisons by
331 calling either do_jump_by_parts_greater_rtx or
332 do_jump_by_parts_equality_rtx.
333 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
334 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
335 moved to do_compare_rtx_and_jump, call it directly.
336 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
337 mode argument. Call do_compare_rtx_and_jump.
338 (emit_case_nodes): Update calls to do_jump_if_equal.
340 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
342 PR rtl-optimization/26225
343 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
345 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
347 PR rtl-optimization/26232
348 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
350 2006-02-11 Jason Merrill <jason@redhat.com>
353 * tree-inline.c (declare_return_variable): Just don't use the
354 modify target if it's a gimple complex reg and the return slot
357 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * doc/contrib.texi: Update my entry.
361 2006-02-10 Geoffrey Keating <geoffk@apple.com>
363 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
365 2006-02-10 Diego Novillo <dnovillo@redhat.com>
367 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
370 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
372 * doc/invoke.texi (-floop-optimize2): Removed.
373 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
374 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
375 Test flag_branch_on_count_reg only if HAVE_doloop_end.
376 * common.opt (floop-optimize2): Removed.
377 (fmove-loop-invariants): Enabled by default.
379 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
381 * tree-if-conv.c (combine_blocks): Free the result of
384 2006-02-10 Jeff Law <law@redhat.com>
386 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
388 PR tree-optimization/26213
389 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
390 loop trying to follow SSA_NAME_VALUE chains.
392 2006-02-10 Richard Guenther <rguenther@suse.de>
394 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
395 deal with structures that end in implicitly variable sized arrays.
397 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
399 PR rtl-optimization/24762
400 * df-scan.c (df_bb_refs_record): Record correct registers defined on
403 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
405 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
406 (struct ivopts_data): Add regs_used field.
407 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
408 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
409 instead of loop_data->regs_used;
410 (free_loop_data): Do not free aux fields for loops.
411 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
412 and tree_ssa_iv_optimize_finalize.
414 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
416 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
418 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
421 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
422 computing the effective result type.
424 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
427 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
428 (tree_overlaps_hard_reg_set): Declare.
429 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
430 type and signature to match function type expected by walk_tree.
431 (tree_overlaps_hard_reg_set): New function.
432 (decl_conflicts_with_clobbers_p): Rename to:
433 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
434 Use tree_overlaps_hard_reg_set. Changed caller.
435 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
436 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
437 * cris.c (cris_md_asm_clobbers): Likewise.
439 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
441 * reload1.c (emit_input_reload_insns): Delete code that tries to
442 inherit using find_equiv_reg.
444 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
446 * c-common.h (flag_const_strings): Don't declare.
447 * c-common.c (flag_const_strings): Remove.
448 * c.opt (fconst_strings): Remove.
449 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
450 <OPT_Wwrite_strings>: Don't set flag_const_strings.
451 (c_common_init_options): Don't set flag_const_strings.
452 * doc/invoke.texi (-fno-const-strings): Remove documentation.
454 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
456 * arm.md (tlobits_cbranch): New pattern.
457 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
458 testing a single bit.
460 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
463 * tree-ssa-pre.c (create_component_ref_by_pieces):
464 Handle RETURN_DECL like VAR_DECL.
466 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
469 * fold-const.c (fold_indirect_ref_1): Fold
470 "*(foo *)&complexfoo" to "__real__ complexfoo"
471 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
473 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
475 * tree-flow-inline.h (var_can_have_subvars):
476 Volatile variables should not have subvariables.
478 2006-02-09 Diego Novillo <dnovillo@redhat.com>
481 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
482 multiplying unsigned values.
485 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
487 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
489 2006-02-08 Jason Merrill <jason@redhat.com>
492 * tree.def: Elaborate on difference from MODIFY_EXPR.
493 * doc/c-tree.texi (INIT_EXPR): Likewise.
494 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
495 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
496 (gimplify_target_expr): Likewise.
497 (gimplify_cond_expr): Remove target handling.
498 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
499 (gimplify_expr): Clobber it here.
500 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
501 Do return slot optimization if we have an INIT_EXPR.
504 * tree-inline.c (declare_return_variable): Also clear
505 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
508 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
511 * gimplify.c (gimplify_one_sizepos): Fix typo.
513 2006-02-08 Jeff Law <law@redhat.com>
515 PR tree-optimization/21417
516 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
517 across a backedge if the control statement at the end of the
518 block is data dependent on other statements in the same block.
519 (record_temporary_equivalences_from_stmts): Remove over-conservative
520 test for threading across backedges.
522 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
523 control statement, handle all three special cases in the same
524 manner as they all have the same desired solution. No longer
525 special case edge flag updating when the post dominator is
528 2006-02-08 Roger Sayle <roger@eyesopen.com>
530 * tree.def (CHAR_TYPE): Remove.
531 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
532 * dwarf2out.c (base_type_die, is_base_type): Likewise.
533 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
534 (gen_string_type_die): Delete unreachable function.
536 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
537 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
538 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
539 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
540 * builtins.c (type_to_class): Likewise.
541 * fold-const.c (fold_convert, build_range_check,
542 merge_ranges): Likewise.
543 * expr.c (count_type_elements): Likewise.
544 * c-pretty-print.c (pp_c_type_specifier): Likewise.
545 * stor-layout.c (layout_type): Likewise.
546 * ipa-type-escape.c (type_to_consider): Likewise.
547 * gimplify.c (omp_firstprivatize_type_sizes,
548 gimplify_type_sizes): Likewise.
549 * explow.c (promote_mode): Likewise.
550 * tree-sra.c (is_sra_scalar_type): Likewise.
551 * varasm.c (output_constant): Likewise.
552 * tree-inline.c (remap_type_1): Likewise.
553 * convert.c (convert_to_pointer, convert_to_real,
554 convert_to_integer, convert_to_complex): Likewise.
556 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
558 * df-scan.c (df_def_record_1): A set destination may
559 be a parallel regardless of mode.
561 2006-02-08 Roger Sayle <roger@eyesopen.com>
564 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
565 * config/mips/_tilib.c: Remove.
566 * config/fixtfdi.c: New libgcc source file.
567 * config/fixunstfdi.c: New source file.
568 * config/floatditf.c: New source file.
569 * config/floatunditf.c: New souce file.
570 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
571 files above instead of config/mips/_tilib.c.
572 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
574 2006-02-08 Jeff Law <law@redhat.com>
576 PR tree-optimization/26169
577 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
580 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
582 * df.h (DF_REG_SIZE): Return the length of the initialized
585 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
587 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
588 __muldf3): Return a correctly signed zero.
590 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
592 * passes.c (register_one_dump_file): Accept the current properties
593 instead of pass number. Adjust call to dump_register. Remove
595 (register_dump_files): Now a wrapper around...
596 (register_dump_files_1): ... this one. Do not modify the pass
598 (next_pass_1): Cosmetic fix.
599 (execute_todo): Keep second parameter only. Use curr_properties
600 instead of fetching it from the pass structure. Check and set
602 (execute_one_pass): Handle TODO_set_props. Use curr_properties
603 instead of fetching it from the pass structure. Fix calls to
604 execute_todo. Update curr_properties and initialize .vcg RTL dump
605 after running the pass. Reset last_verified.
606 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
608 (FIRST_AUTO_NUMBERED_DUMP): New.
609 (dump_register): Remove "num" parameter, assign it within the
611 (get_dump_file_name): Modify template for dumps.
612 * tree-dump.h (dump_register): Adjust prototype.
613 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
614 (PROP_trees): Add PROP_gimple_lomp.
615 (TODO_set_props): New.
616 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
617 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
618 * cfgexpand.c (pass_expand): Destroy PROP_trees.
620 2006-02-08 Jakub Jelinek <jakub@redhat.com>
622 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
623 (sparc64-*-linux*): Likewise.
624 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
625 * config/sparc/t-linux: New file.
626 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
627 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
628 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
629 -m32 -mlong-double-128.
631 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
632 * config/alpha/t-linux: New file.
633 * config/alpha/libgcc-alpha-ldbl.ver: New file.
635 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
636 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
637 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
638 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
639 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
640 (CPP_ARCH32_SPEC): Remove.
642 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
644 PR tree-optimization/26145
645 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
648 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
651 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
652 >= 240000 when generating code for SOM runtime.
653 (output_indirect_call): Don't use "b,l" instruction for indirect calls
654 to $$dyncall when generating code for SOM runtime..
656 2006-02-07 Dirk Mueller <dmueller@suse.com>
659 * doc/invoke.texi (-Wsequence-point): Update documentation
660 that -Wsequence-point is implemented for C++ as well.
662 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
664 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
665 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
666 (LIB_SPEC): Likewise.
667 * doc/invoke.texi (SPARC options): Document -pthread.
669 2006-02-07 Geoffrey Keating <geoffk@apple.com>
671 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
674 2006-02-07 Roger Sayle <roger@eyesopen.com>
676 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
677 Correct comment describing BOOLEAN_TYPE.
679 2006-02-07 Dirk Mueller <dmueller@suse.com>
681 * c.opt: C++ frontend supports -Wdiv-by-zero.
682 * c-opts.c (c_common_handle_option): Remove dead case.
684 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
686 * configure.ac (TLS assembler check): Do not enable TLS by
687 default on SPARC/Solaris before version 10.
688 * configure: Regenerate.
690 2006-02-07 David Edelsohn <edelsohn@gnu.org>
692 * doc/invoke.texi (xl-compat): Document conversion and support
695 2006-02-07 Jeff Law <law@redhat.com>
697 * tree-vrp.c (find_conditional_asserts): Update comments.
698 (simplify_stmt_for_jump_threading): New.
699 (identify_jump_threads, finalize_jump_threads): New.
700 (vrp_finalize): Call identify_jump_threads.
701 (execute_vrp): Call finalize_jump_threads.
702 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
703 (vrp_element, vrp_data, vrp_element_p): Remove.
704 (vrp_hash_elt, vrp_variables_stack): Remove.
705 (vrp_hash, vrp_eq, record_range): Remove.
706 (simplify_cond_and_lookup_avail_expr): Remove.
707 (extract_range_from_cond): Remove.
708 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
709 (simplify_stmt_for_jump_threading): New.
710 (dom_thread_across_edge): New wrapper.
711 (tree_ssa_dominator_optimize): No longer initialize or
712 finalize any of the VRP datastructures. Remove iteration
713 step and simplify as a result of removal of iteration step.
714 (pass_dominator): Perform a cfg cleanup after DOM.
715 (dom_opt_finalize_block): Use the new common routines
716 for threading jumps. Simplify stack management slightly.
717 No longer need to unwind VRP state.
718 (record_equivalences_from_incoming_edge): No longer record
720 (eliminate_redundant_computations): No longer call
721 simplify_cond_and_lookup_avail_expr.
722 * tree-flow.h (potentially_threadable_block): Prototype.
723 (thread_across_edge): Likewise.
724 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
725 (tree-ssa-threadedge.o): Add dependencies.
726 * tree-ssa-threadedge.c: New file.
727 * passes.c (init_optimization_passes): Merge PHIs before
728 calling VRP. Run VRP again late in the SSA optimization pipeline.
730 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
732 * df-core.c (df_set_blocks): Do not dereference function pointers.
733 (df_finish1): Likewise.
734 (df_hybrid_search_forward): Likewise.
735 (df_hybrid_search_backward): Likewise.
736 (df_iterative_dataflow): Likewise.
737 (df_analyze_problem): Likewise.
738 (df_compact_blocks): Likewise.
740 * df-scan.c (df_rescan_blocks): Likewise.
741 (df_record_entry_block_defs): Likewise.
743 * genconditions.c (write_conditions): Guard the definition of
744 'insn_conditions' with the check on GCC version.
745 (write_writer): Guard the traversal 'insn_conditions' with
746 the check on GCC version.
748 2006-02-07 Richard Guenther <rguenther@suse.de>
752 2006-01-30 Richard Guenther <rguenther@suse.de>
754 * gimplify.c (gimplify_target_expr): Handle easy cases
755 without creating a temporary.
757 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
759 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
760 use of float in probability computations. Use edge probabilities
761 in place of statically computed probabilities.
762 (min_spec_prob): New static variable.
763 (schedule_insns): Initialize it.
764 (GET_SRC_PROB): Removed.
765 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
767 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
770 * config/ia64/unwind-ia64.c: Revert last change.
771 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
772 (INCOMING_FRAME_SP_OFFSET): Define.
774 2006-02-06 Roger Sayle <roger@eyesopen.com>
776 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
778 2006-02-07 Ben Elliston <bje@au.ibm.com>
780 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
781 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
782 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
783 (ix86_return_in_memory): Handle TDmode.
784 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
785 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
787 2006-02-06 Richard Sandiford <richard@codesourcery.com>
789 * reorg.c (dbr_schedule): Use dump_file instead of file.
791 2006-02-06 Steve Ellcey <sje@cup.hp.com>
794 * config/ia64/predicates.md (extr_len_operand): New predicate.
795 * config/ia64/ia64.md (extv): Tighten constraints.
797 (*tbit_and_2): Ditto.
798 (*tbit_and_3): Ditto.
804 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
807 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
809 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
811 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
812 loop_optimizer_init and loop_optimizer_finalize
813 * tree-ssa-sink.c (execute_sink_code): Ditto.
814 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
815 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
816 tree_ssa_loop_done): Ditto.
817 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
818 * sched-ebb.c: Include output.h.
819 (schedule_ebbs): Do not use dump argument.
820 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
821 * loop.c (loop_dump_stream): Removed.
822 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
824 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
825 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
826 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
827 loop_iterations, strength_reduce, record_biv, record_giv,
828 final_giv_value, check_final_value, check_ext_dependent_givs,
829 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
830 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
831 dump_file instead of loop_dump_stream.
832 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
834 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
836 * flow.c (life_analysis, rest_of_handle_life): Ditto.
837 * haifa-sched.c: Include output.h
838 (schedule_insns, sched_init): Do not use dump argument.
839 * mode-switching.c (optimize_mode_switching): Ditto.
840 * modulo-sched.c (stats_file): Removed.
841 (print_node_sched_params): Do not call argument dump_file.
842 (sms_schedule_by_order, loop_canon_p, sms_schedule,
843 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
845 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
847 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
848 rtl_loop_init, rtl_loop_done): Ditto.
849 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
850 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
852 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
853 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
854 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
855 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
856 * emit-rtl.c (renumber_insns): Ditto.
857 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
858 expand_gimple_basic_block, tree_expand_cfg): Ditto.
859 * regclass.c (regclass): Ditto.
860 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
861 remove_ssa_form, rewrite_out_of_ssa): Ditto.
862 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
863 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
865 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
866 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
868 * gcse.c (gcse_file, debug_stderr): Removed.
869 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
870 rest_of_handle_gcse): Do not use dump argument.
871 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
872 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
873 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
874 compute_code_hoist_vbeinout, compute_code_hoist_data,
875 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
876 compute_store_table, build_store_vectors, insert_insn_start_bb,
877 insert_store, remove_reachable_equiv_notes, replace_store_insn,
878 store_motion): Use dump_file instead of gcse_file.
879 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
880 * profile.c (profile_dump_file): Removed.
881 (branch_prob): Use dump_file instead of profile_dump_file.
882 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
884 * tree-ssa-copy.c (dump_copy_of): Ditto.
885 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
886 dump file to life_analysis.
887 * bt-load.c (branch_target_load_optimize): Ditto.
888 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
890 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
891 regclass, dbr_schedule): Declaration changed.
892 * sched-int.h (sched_init): Declaration changed.
893 * tree-profile.c (tree_profile_dump_file): Removed.
894 (tree_profile_hooks): Removed profile_dump_file hook.
895 * rtl-profile (rtl_profile_dump_file): Removed.
896 (rtl_profile_hooks): emoved profile_dump_file hook.
897 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
899 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
900 * tree-cfg.c (build_tree_cfg): Ditto.
901 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
902 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
904 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
905 life_analysis and schedule_insns.
906 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
908 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
910 * config/mips/mips.c (mips_reorg): Ditto.
911 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
914 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
916 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
917 (s390_mangle_fundamental_type): New.
918 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
921 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
922 (alpha_mangle_fundamental_type): New.
923 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
926 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
928 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
930 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
931 (sparc_mangle_fundamental_type): New.
933 2006-02-06 Jakub Jelinek <jakub@redhat.com>
935 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
936 (s390x-*-linux*): Likewise.
937 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
938 * config/s390/t-linux: New file.
940 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
942 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
943 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
945 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
947 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
948 (ANTIC_SAFE_LOADS): New macro.
949 (find_or_generate_expression): Add prototype.
950 (set_contains_value): Allow null set for sake of not always having
951 to allocate ANTIC_SAFE_LOADS.
952 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
953 Allow COMPONENT_REF too.
954 (valid_in_set): Allow COMPONENT_REF.
955 Check ANTIC_SAFE_LOADS too.
956 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
957 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
959 (can_PRE_operation): Add COMPONENT_REF.
960 (create_component_ref_by_pieces): New function.
961 (create_expression_by_pieces): Use create_component_ref_by_pieces.
962 (insert_aux): Move AGGREGATE_TYPE_P check here.
963 (compute_avail): Set bb local stmt uids.
964 (pass_pre): Use TODO_update_ssa_only_virtuals.
966 2006-02-06 Ben Elliston <bje@au.ibm.com>
968 * configure.ac: Unconditionally disable decimal float by default.
969 * configure: Regenerate.
971 2006-02-06 Ben Elliston <bje@au.ibm.com>
973 * read-rtl.c (read_name): Terminate reading on EOF.
975 2006-02-06 Ben Elliston <bje@au.ibm.com>
977 * dfp.c (decimal_real_arithmetic): Change second argument type
978 from int to enum tree_code. Do not always return true, but now
979 return result of any call to decimal_do helper functions.
980 * dfp.h (decimal_real_arithmetic): Update prototype.
982 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
984 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
986 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
989 * tree-cfg.c (cleanup_dead_labels): Also don't remove
992 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
994 * tree-vrp.c (cfg_loops): Removed.
995 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
996 Use current_loops instead of cfg_loops. Pass flags to
998 * cfgloopmanip.c (fix_loop_structure): Update only available
1000 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1001 loop_optimizer_init.
1002 * modulo-sched.c (build_loops_structure): Removed.
1003 (sms_schedule): Use loop_optimizer_init.
1004 * loop-init.c (loop_optimizer_init): Use flags to determine
1005 which properties of loops to prepare.
1006 (rtl_loop_init): Pass flags to loop_optimizer_init.
1007 * tree-ssa-sink.c (execute_sink_code): Ditto.
1008 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1009 * tree-ssa-pre.c (init_pre): Ditto.
1010 * cfgloop.h (LOOPS_NORMAL): New.
1011 (loop_optimizer_init): Declaration changed.
1013 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1015 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1016 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1018 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1020 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1022 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1023 * pa/t-pa64: Delete quadlib.c rule.
1024 * pa/x-ada: Revert last change.
1025 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1027 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1029 PR rtl-optimization/26087
1030 * rtlanal.c (canonicalize_condition): Do not cross basic block
1033 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1036 * config/ia64/ia64.c: Include debug.h.
1037 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1038 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1039 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1040 (process_epilogue, process_set, process_for_unwind_directive):
1041 Output unwind info only if requested. Add CFA info if requested.
1042 Add new arguments as needed. Adjust callers.
1043 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1045 (DWARF2_FRAME_INFO): Define to zero.
1046 * config/ia64/unwind-ia64.c: Remove code that compensated for
1047 the CFA offset error fixed above.
1048 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1049 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1050 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1051 -funwind-tables and -fexceptions to enable frame info.
1052 (dwarf2out_frame_init): Define initial CFA even if
1053 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1054 DWARF2_UNWIND_INFO is nonzero, not just defined.
1055 (dwarf2out_frame_finish): Output non-EH call frame info only
1056 if DWARF2_FRAME_INFO is nonzero.
1057 (convert_cfa_to_loc_list,
1058 compute_frame_pointer_to_cfa_displacement): Define even if
1059 unwind info is not supported.
1060 (gen_subprogram_die): Use the above unconditionally. Remove
1061 legacy alternate code.
1062 * toplev.c (compile_file): Compile in call to
1063 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1064 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1066 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1067 Jakub Jelinek <jakub@redhat.com>
1069 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1070 IBM extended float format long double as "g" on powerpc*-linux.
1072 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1075 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1076 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1078 2006-02-03 Jason Merrill <jason@redhat.com>
1081 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1084 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1085 on the return slot if it's an NRV.
1087 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1089 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1090 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1091 rewrite_use): Do not handle USE_OUTER.
1092 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1093 add_iv_outer_candidates, may_replace_final_value,
1094 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1095 (find_interesting_uses_op): Functionality of
1096 find_interesting_uses_outer_or_nonlin moved here.
1097 (find_interesting_uses_outside): Use find_interesting_uses_op.
1099 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1102 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1104 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1105 Ulrich Weigand <uweigand@de.ibm.com>
1108 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1109 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1110 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1111 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1113 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1114 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1115 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1116 Define secondary reloads for TFmode moves.
1117 (constant_modes): Add TFmode.
1118 (NR_C_MODES): Set to 8.
1119 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1121 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1122 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1123 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1124 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1125 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1126 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1127 (FPR mode macro): Add TFmode.
1128 (DSF mode macro): New.
1129 (<de>, <dee> mode attributes): Removed.
1130 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1131 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1132 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1133 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1134 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1135 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1136 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1137 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1138 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1139 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1140 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1141 "*negabs<mode>2", "sqrt<mode>2"):
1142 Changed <de> to <xde>. R constraint replaced by <Rf>.
1143 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1145 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1146 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1147 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1149 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1150 "extenddftf2", "extendsftf2"): New expanders.
1151 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1152 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1153 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1154 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1156 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1157 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1158 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1159 __floatditf): Add a GCC_4.1.0 symbol version tag.
1160 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1163 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1166 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1167 Use targetm.binds_local_p instead of TREE_PUBLIC.
1169 2006-02-02 Roger Sayle <roger@eyesopen.com>
1171 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1172 on INTEGER_TYPEs to indicate that it denotes a character type.
1173 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1174 signed_char_type_node, unsigned_char_type_node and char_type_node.
1175 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1176 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1177 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1179 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1180 Daniel Berlin <dberlin@dberlin.org>
1182 * tree-tailcall.c (arg_needs_copy_p): New function.
1183 (eliminate_tail_call): Use arg_needs_copy_p.
1184 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1185 (add_virtual_phis): New function.
1187 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1189 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1190 #ignore instead of #scratch for %g7 .register directive.
1192 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1194 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1197 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1199 * flow.c (calculate_global_regs_live): Assert that there aren't any
1202 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1204 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1206 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1207 bsi_after_labels iterator.
1208 * tree-if-conv.c (find_phi_replacement_condition,
1209 replace_phi_with_cond_modify_expr): Likewise.
1210 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1211 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1213 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1215 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1217 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1220 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1221 array after growing it.
1223 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1226 * fold-const.c (fold_checksum_tree): Change type of buf.
1228 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1230 * reload.c (push_secondary_reload): Initialize t_icode.
1232 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1234 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1235 -msoft-float -mlong-double-128 only issue a warning, but don't
1236 swich to DFmode long double.
1238 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1240 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1241 has a constant equivalent, iterate over equivalents for arg0,
1242 calling simplify_relational_operation and if there's a result
1243 cheaper than X, apply fold_rtx and return the result.
1245 2006-02-01 Jan Hubicka <jh@suse.cz>
1247 * opts.c (no_unit_at_a_time_default): New global variable.
1248 (decode_options): Use it.
1249 * opts.h (no_unit_at_a_time_default): Declare.
1251 2006-02-01 Paul Brook <paul@codesourcery.com>
1253 * function.c (assign_parm_setup_reg): Use function argument promotion
1255 * expr.c (expand_expr_real_1): Use function argument promotion rules
1258 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1260 * gcc.c (process_command): Change j to 'unsigned int'.
1262 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1265 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1266 Use the corrected index for the character
1267 out of the string constant.
1269 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1271 * mode-switching.c (optimize_mode_switching): Fix size
1272 allocated for bb_info[n_entities].
1274 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1276 * gcc.c (main): Correct type that is allocated for
1277 explicit_link_files.
1279 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1281 * config/s390/s390.c (init_alignment_context): Set
1282 ALIAS_SET_MEMORY_BARRIER on the MEM.
1283 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1285 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1288 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1290 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1293 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1295 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1296 * regrename.c: Ditto.
1297 * tree-ssa-loop-im.c: Ditto.
1298 * tree-dump.c: Ditto.
1299 * tree-complex.c: Ditto.
1300 * genrecog.c: Ditto.
1301 * tree-ssa-threadupdate.c: Ditto.
1303 * java/class.c: Ditto.
1304 * java/jcf-parse.c: Ditto.
1305 * java/resource.c: Ditto.
1306 * java/except.c: Ditto.
1307 * java/jvspec.c: Ditto.
1308 * java/jcf-write.c: Ditto.
1309 * java/jcf-path.c: Ditto.
1310 * java/gjavah.c: Ditto.
1311 * java/zextract.c: Ditto.
1312 * java/jcf-io.c: Ditto.
1313 * java/jcf.h: Ditto.
1314 * java/buffer.c: Ditto.
1315 * java/lang.c: Ditto.
1316 * java/parse-scan.y: Ditto.
1317 * java/lex.c: Ditto.
1318 * java/lex.h: Ditto.
1319 * cfgloopmanip.c: Ditto.
1320 * postreload-gcse.c: Ditto.
1321 * tree-ssa-loop-manip.c: Ditto.
1322 * postreload.c: Ditto.
1323 * tree-ssa-loop-ch.c: Ditto.
1327 * diagnostic.c: Ditto.
1329 * genoutput.c: Ditto.
1331 * cfghooks.c: Ditto.
1332 * cfgloopanal.c: Ditto.
1333 * objc/objc-act.c: Ditto.
1335 * genextract.c: Ditto.
1336 * genautomata.c: Ditto.
1337 * pretty-print.c: Ditto.
1339 * cgraphunit.c: Ditto.
1342 * haifa-sched.c: Ditto.
1343 * dominance.c: Ditto.
1345 * tree-ssa-loop-ivopts.c: Ditto.
1347 * mode-switching.c: Ditto.
1348 * modulo-sched.c: Ditto.
1350 * ipa-pure-const.c: Ditto.
1352 * fix-header.c: Ditto.
1354 * tree-stdarg.c: Ditto.
1355 * ipa-utils.c: Ditto.
1356 * loop-init.c: Ditto.
1357 * ipa-inline.c: Ditto.
1360 * alloc-pool.c: Ditto.
1361 * dwarf2out.c: Ditto.
1363 * genattrtab.c: Ditto.
1364 * tree-ssa-loop-ivcanon.c: Ditto.
1368 * fortran/gfortranspec.c: Ditto.
1370 * local-alloc.c: Ditto.
1371 * langhooks.c: Ditto.
1372 * function.c: Ditto.
1373 * tree-vectorizer.c: Ditto.
1375 * ipa-type-escape.c: Ditto.
1377 * tree-if-conv.c: Ditto.
1380 * tree-data-ref.c: Ditto.
1381 * loop-unroll.c: Ditto.
1382 * treelang/treetree.c: Ditto.
1385 * ggc-common.c: Ditto.
1387 * coverage.c: Ditto.
1389 * tree-cfgcleanup.c: Ditto.
1390 * tree-ssa-pre.c: Ditto.
1391 * cfgcleanup.c: Ditto.
1392 * loop-invariant.c: Ditto.
1394 * ipa-prop.c: Ditto.
1395 * print-tree.c: Ditto.
1396 * conflict.c: Ditto.
1397 * ggc-page.c: Ditto.
1398 * sched-deps.c: Ditto.
1399 * regclass.c: Ditto.
1400 * tree-object-size.c: Ditto.
1402 * bb-reorder.c: Ditto.
1403 * resource.c: Ditto.
1404 * var-tracking.c: Ditto.
1406 * df-problems.c: Ditto.
1407 * reg-stack.c: Ditto.
1410 * sched-rgn.c: Ditto.
1411 * tree-ssa-structalias.c: Ditto.
1412 * tree-ssa-reassoc.c: Ditto.
1413 * config/darwin-c.c: Ditto.
1414 * config/darwin.c: Ditto.
1415 * config/arm/arm.c: Ditto.
1417 * collect2.c: Ditto.
1420 2006-01-31 Nicolas Pitre <nico@cam.org>
1422 * arm.md (smaxsi3): Make aware of smax_m1.
1425 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1427 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1429 2006-01-31 Richard Guenther <rguenther@suse.de>
1431 * doc/invoke.texi (-msselibm): Document.
1432 * target.h (expand_library_builtin): New target hook.
1433 * builtins.c (expand_builtin): Use expand_library_builtin.
1434 (default_expand_library_builtin): New function.
1435 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1436 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1437 (link_gcc_math_spec): Declare.
1438 (static_specs): Add link_gcc_math_spec.
1439 * expr.h (default_expand_library_builtin): Declare.
1440 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1441 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1442 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1443 * config/i386/i386.opt (msselibm): New target option.
1444 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1445 (ix86_init_sse_abi_builtins): New function.
1446 (ix86_expand_library_builtin): Likewise.
1447 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1448 (override_options): Handle error conditions wrt -msselibm.
1449 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1450 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1451 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1454 2006-01-31 Richard Guenther <rguenther@suse.de>
1455 Paolo Bonzini <bonzini@gnu.org>
1457 * doc/install.texi (--disable-libgcc-math): Document.
1459 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1461 * expr.h (expand_normal): new inline function.
1462 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1464 * dwarf2out.c: use it.
1469 * config/sparc/sparc.c: use it.
1470 * config/i386/i386.c: use it.
1471 * config/rs6000/rs6000.c: use it.
1472 * config/arm/arm.c: use it.
1473 * config/mips/mips.c: use it.
1474 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1476 2006-01-30 Roger Sayle <roger@eyesopen.com>
1478 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1479 argv to the appropriate type.
1481 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1483 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1486 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1489 * config/s390/s390.c (struct machine_function): New flag
1490 decomposed_literal_pool_addresses_ok_p.
1491 (s390_reorg): Set it before final stage of literal pool transforms.
1492 (s390_decompose_address): Only accept displacements of the form
1493 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1495 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1497 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1498 the comparison routine return.
1500 2006-01-30 Michael Matz <matz@suse.de>
1502 * global.c (find_reg): Only evict for global regs.
1503 Take n_refs into account and dump more info.
1505 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1508 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1509 (pragma_trap, pragma_nosave_low_regs): Likewise.
1510 (current_function_anonymous_args): Likewise.
1511 (sh_deferred_function_attributes): New variable.
1512 (sh_deferred_function_attributes_tail): Likewise.
1513 (print_operand): For '@', look up trap_exit attribute.
1514 (calc_live_regs): Look up trapa_handler attribute. For trapa
1515 handlers, save/restore fpscr, but don't do any other
1516 interrupt-specific saves.
1517 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1518 Fix check for partially saved registers to check for SHmedia.
1519 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1520 (sh_output_function_epilogue): Don't clear any of the removed
1522 (sh_insert_attributes): Don't check pragma_interrupt.
1523 Insert deferred attributes. Check that interrupt attribute is
1524 present for other attributes that require its presence.
1525 (sh_attribute_table): Add new attributes trapa_handler and
1527 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1528 Don't check for pragma_interrupt. Don't store argument.
1529 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1530 (sh_deferred_function_attributes): Declare.
1531 (sh_deferred_function_attributes_tail): Likewise.
1532 * sh.md (sp_switch_1): Add operand. Change generator caller.
1533 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1534 (*return_i): Don't use when trap_exit attribute is in effect.
1535 (*return_trapa): New insn pattern.
1537 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1538 setting c_target_objs and cxx_target_objs.
1539 * t-sh: Add rule for sh-c.o.
1541 2006-01-30 Richard Guenther <rguenther@suse.de>
1544 * gimplify.c (gimplify_target_expr): Handle easy cases
1545 without creating a temporary.
1547 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1549 * vec.h (safe_grow): Remove duplicated line.
1551 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1554 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1555 (expand_omp): ... here.
1556 (expand_omp_parallel): Only remove barriers for combined
1557 parallel+workshare constructs.
1559 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1563 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1564 * tree.c (build_qualified_type): Chain the new type to the original
1565 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1566 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1567 (build_pointer_type_for_mode): Only return unqualified types.
1568 (build_reference_type_for_mode): Likewise.
1570 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1572 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1573 * Makefile.in (CXX_COMPAT_WARN): Define.
1574 * configure: Regenerate.
1576 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1579 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1582 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1584 * toplev.c: Fix thinko.
1586 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1587 Marcin Dalecki <martin@dalecki.de>
1589 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1590 (push_srcloc): Use XNEW.
1591 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1593 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1595 * df-core.c (df_set_blocks): Deleted all variable.
1597 2006-01-28 Ian Lance Taylor <ian@airs.com>
1599 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1600 cgraph_output_pending_asms.
1602 2006-01-28 Zack Weinberg <zackw@panix.com>
1604 * c.opt: Add -W(no-)overlength-strings.
1605 * doc/invoke.texi: Document it.
1606 * c-opts.c (c_common_handle_option): -pedantic implies
1607 -Woverlength-strings, if not explicitly disabled already.
1608 (c_common_post_options): -Woverlength-strings defaults to off, and
1609 is always off for C++.
1610 * c-common.c (fix_string_type): Issue warning about strings longer
1611 than is portable only if warn_overlength_strings. Rearrange code
1612 a little for clarity.
1613 * configure.in: Check for -Wno-overlength-strings as well before
1614 enabling -pedantic in stage 1.
1615 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1616 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1618 * genconditions.c (write_header, write_one_condition)
1619 (write_conditions, write_writer): Consolidate very long strings
1620 that were broken up to fit in C89 portable limit. Don't use
1621 printf when fputs will do.
1623 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1625 * combine.c (simplify_comparison <AND>): Check
1626 TRULY_NOOP_TRUNCATION before start using a subreg.
1628 * config/mips/mips.md (*branch_zero<mode>,
1629 *branch_zero<mode>_inverted, *branch_equality<mode>,
1630 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1631 Remove mode check from comparisons.
1633 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1635 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1637 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1639 * expmed.c (const_mult_add_overflow_p): Remove.
1640 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1642 * recog.c (validate_replace_rtx_subexp): Remove.
1643 * recog.h: Remove the prototype for
1644 validate_replace_rtx_subexp.
1646 * integrate.h: Remove the prototype for
1647 copy_decl_for_inlining.
1648 * rtl.h: Remove the prototype for mark_constant_function.
1649 * tree-vectorizer.h: Remove the prototype for
1650 vect_strip_conversion.
1652 * modulo-sched.c (create_partial_schedule,
1653 free_partial_schedule, reset_partial_schedule): Make them
1656 * hooks.c (hook_bool_rtx_int_false): Remove.
1657 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1659 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1661 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1662 and -mlong-double-128 are incompatible.
1663 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1664 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1665 (TARGET_LIBGCC2_CFLAGS): Define.
1666 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1667 (TARGET_LIBGCC2_CFLAGS): Same.
1668 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1670 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1673 * c-typeck.c (build_binary_op): Perform implicit casts of
1674 operands before shortening them.
1676 * cfgloopmanip.c (split_loop_bb): Remove.
1677 * cfgloop.h: Remove the prototype for split_loop_bb.
1679 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1680 * cfgloop.h: Remove the prototype for
1681 flow_loop_outside_edge_p.
1683 * emit-rtl.c (init_virtual_regs): Make it static.
1684 * function.h: Remove the prototype for init_virtual_regs.
1686 * recog.c (peephole2_optimize): Make it static.
1687 * recog.h: Remove the prototype for peephole2_optimize.
1689 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1691 * df-scan.c (df_record_entry_block_defs): Check if
1692 INCOMING_RETURN_ADDR_RTX is defined.
1694 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1695 Kenneth Zadeck <zadeck@naturalbridge.com>
1697 PR rtl-optimization/24762
1698 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1699 * targhooks.c (hook_void_bitmap): New hook prototype.
1700 * targhoohs.h (hook_void_bitmap): Ditto.
1701 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1702 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1703 * target.h (live_on_entry): New function pointer.
1704 * df-scan.c (df_all_hard_regs): Removed.
1705 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1706 (df_scan_free_internal): Added df->entry_block_defs.
1707 (df_scan_alloc): Ditto.
1708 (df_scan_dump): Ditto.
1709 (df_uses_record): Plumbed flag field properly thru calls.
1710 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1711 This part fixes PR24762.
1712 (df_bb_refs_record): Added code to make the frame and arg
1713 pointers live in EH blocks.
1714 (df_refs_record): Added call to df_record_entry_block_defs.
1715 (df_record_entry_block_defs): New function.
1716 * df-core.c: Added comments to describe new artifical defs.
1717 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1718 (entry_block_defs): New field in struct df.
1719 (df_all_hard_regs): Deleted.
1720 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1721 * df-problems.c (df_ru_bb_local_compute_process_def):
1722 Added code to handle artifical defs in the entry to a function.
1723 (df_ru_bb_local_compute): Ditto.
1724 (df_rd_bb_local_compute_process_def): Ditto.
1725 (df_rd_bb_local_compute): Ditto.
1726 (df_lr_bb_local_compute): Ditto.
1727 (df_ur_bb_local_compute): Ditto.
1728 (df_urec_bb_local_compute): Ditto.
1729 (df_chain_create_bb): Ditto.
1730 (df_ur_local_finalize): Removed entry.
1731 (df_urec_init): Ditto.
1732 (df_urec_local_finalize): Ditto.
1733 (df_ri_bb_compute): Added detection of last use of pseudos.
1734 * Makefile.in (df-scan.o): Updated dependencies.
1735 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1736 * config/mips/mips.c (mips_set_live_on_entry): Added.
1737 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1739 * dce.c (marked_insn_p): Added code to handle artifical defs.
1741 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1743 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1745 (_mm_cvtsi128_si64): Likewise.
1746 (_mm_cvtsd_si64): Likewise.
1747 (_mm_cvttsd_si64): Likewise.
1748 (_mm_cvtsi64_sd): Likewise.
1749 (_mm_cvtsi64_si128): Likewise.
1750 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1751 (_mm_cvtsi64_m64): Likewise.
1752 (_m_to_int64): Likewise.
1753 (_mm_cvtm64_si64): Likewise.
1754 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1755 (_mm_cvttss_si64): Likewise.
1756 (_mm_cvtsi64_ss): Likewise.
1757 (_mm_cvtss_f32): Likewise.
1759 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1761 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1762 for pragma redefine_extname.
1764 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1767 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1768 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1769 -mno-minimal-toc to previous content.
1770 (bispecs): Remove goal.
1771 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1772 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1773 compatibility aliases on powerpc-*-*gnu*.
1774 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1775 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1776 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1777 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1778 (ldblspecs): New goal.
1779 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1780 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1782 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1783 L_sf_to_tf or L_df_to_tf is defined.
1785 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1786 Alan Modra <amodra@bigpond.net.au>
1789 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1790 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1791 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1792 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1793 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1794 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1795 (rs6000_override_options): Initialize rs6000_ieeequad.
1796 Initialize TFmode format to ibm_extended_format if not
1798 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1800 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1801 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1802 (function_arg_advance): IBM long double passed in two FPRs, not
1804 (function_arg): IBM long double passed in FPRs.
1805 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1806 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1807 Only multireg GPR aligned.
1808 (rs6000_init_libfuncs): Enable IBM long double functions if not
1810 (rs6000_generate_compare): Use IBM long double compare if not
1812 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1813 (TARGET_IEEEQUAD): Define.
1814 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1815 not TARGET_IEEEQUAD.
1816 * config/rs6000/rs6000.md: Enable TFmode patterns if
1818 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1819 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1820 and -mlong-double-128 are incompatible.
1821 * doc/invoke.texi (-mabi): Collect options together. Add
1822 ibmlongdouble and ieeelongdouble.
1824 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1826 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1828 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1829 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1830 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1831 * rtl.h (rtunion_def): Remove rt_ptr.
1833 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1834 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1835 * config/i386/winnt.c (i386_pe_mark_dllexport)
1836 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1838 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1840 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1842 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1846 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1847 pthread_key_delete. From John David Anglin. gthrw-ify
1848 pthread_getunique_np only if it it's not a macro. Delete
1850 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1851 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1852 __gthread_objc_condition_signal, __gthread_key_delete): Add
1853 "__attribute__ ((__unused__))" to unused arguments.
1854 (__gthread_recursive_mutex_init_function): Add missing return.
1855 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1856 gthr-posix95.h: Use macro-based approach for name redirection
1857 on targets missing weakref.
1859 2006-01-26 Zack Weinberg <zackw@panix.com>
1861 * genconditions.c (write_header): In generated code, #ifdef out
1862 all includes and fake declarations, except includes of bconfig.h
1863 and system.h, unless GCC_VERSION >= 3001. Do not include
1864 gensupport.h in any case.
1865 (write_conditions): Generate a definition of struct c_test. Add
1866 a comment to the generated #endif.
1867 (write_one_condition): Escape backslashes in string too.
1868 (write_writer): Generated code must escape backslashes and quote
1869 marks (but not newlines) in the strings it writes.
1870 * Makefile.in (build/gencondmd.o): Update dependencies.
1872 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1875 * Makefile.in (insn-automata.o): Add header file dependencies.
1876 * genautomata.c: Add includes.
1878 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1881 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1883 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1885 * configure.ac: Expect target tools paths to be passed from the toplevel
1886 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1888 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1890 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1893 * c.opt (Wpointer-sign): Init to -1.
1894 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1895 OPT_pedantic, to 0 otherwise.
1896 * doc/invoke.texi: Update.
1898 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1900 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1901 constants provided by 80387 instructions in the destination mode.
1903 2006-01-26 Richard Guenther <rguenther@suse.de>
1904 Andrew Pinski <pinskia@physics.uc.edu>
1907 partial PR tree-opt/17064
1908 * tree-ssa-structalias.c (intra_create_variable_infos):
1909 Create heap variables for incoming parameters if
1910 flag_argument_noalias > 1.
1911 (find_what_p_points_to): Look through default defs of
1914 2006-01-26 Jeff Law <law@redhat.com>
1917 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1918 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1919 within the VR_RANGE, use the VR_RANGE as the result, not the
1921 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1922 bounds for the type.
1924 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1926 * tree-ssa-alias.c (maybe_create_global_var): Change
1927 subvar walking to an assertion that we don't have subvar'd variables.
1929 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1932 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1933 Use a new variable, inner. PARM_DECLs are always non-weak.
1935 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1937 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1940 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1942 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1944 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1946 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1947 (smax_insn, smin_insn, smax_0, smin_0): New.
1949 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1952 * config/cris/cris.c (cris_order_for_addsi3): New function.
1953 * config/cris/cris-protos.h: Prototype it.
1954 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1955 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1956 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1957 (split for "op.S1 [rx=rx+i],ry (swapped)")
1958 (split for "op(s|u).S1 [rx=rx+i],ry")
1959 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1960 Apply cris_order_for_addsi3 when generating addsi3 insns.
1962 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1964 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1965 (TREE_BLOCK): Add call to EXPR_CHECK.
1967 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1970 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1971 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1972 (dump_omp_clauses): ... here.
1973 (dump_generic_node): Handle OMP_CLAUSE.
1974 * tree.c (omp_clause_num_ops): New.
1975 (omp_clause_code_name): New.
1976 (tree_code_size): Handle OMP_CLAUSE.
1977 (tree_size): Likewise.
1978 (make_node): Document handling of OMP_CLAUSE.
1979 (tree_node_structure): Handle OMP_CLAUSE.
1980 (omp_clause_check_failed): New.
1981 (omp_clause_range_check_failed): New.
1982 (omp_clause_operand_check_failed): New.
1983 (build_omp_clause): New.
1984 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1985 * tree.h (enum omp_clause_code): Declare.
1986 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1987 (OMP_CLAUSE_RANGE_CHECK): Define.
1988 (OMP_CLAUSE_ELT_CHECK): Define.
1989 (omp_clause_check_failed): Declare.
1990 (omp_clause_operand_check_failed): Declare.
1991 (omp_clause_range_check_failed): Declare.
1992 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1993 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1994 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1995 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1996 (OMP_CLAUSE_IF_EXPR): Likewise.
1997 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1998 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1999 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2000 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2001 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2002 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2003 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2004 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2005 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2006 (OMP_CLAUSE_CODE): Define.
2007 (OMP_CLAUSE_SET_CODE): Define.
2008 (OMP_CLAUSE_CODE): Define.
2009 (OMP_CLAUSE_OPERAND): Define.
2010 (struct tree_omp_clause): Declare.
2011 (union tree_node): Add field 'omp_clause'.
2012 * treestruct.def (TS_OMP_CLAUSE): Define.
2013 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2014 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2015 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2016 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2017 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2018 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2019 (OMP_CLAUSE): Define.
2020 * print-tree.c (print_node): Handle OMP_CLAUSE.
2021 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2022 * c-typeck.c: Likewise.
2023 * gimplify.c: Likewise.
2024 * c-omp.c: Likewise.
2025 * tree-nested.c: Likewise.
2026 * tree-inline.c: Likewise.
2027 * c-parser.c: Likewise.
2028 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2031 2006-01-25 Roger Sayle <roger@eyesopen.com>
2033 PR rtl-optimization/25703
2034 * combine.c (try_combine): Handle zero_extract and strict_low_part
2035 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2037 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2039 * global.c: Fix comment typos.
2041 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2044 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2045 Use output_addr_const instead of assemble_name.
2047 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2049 * Makefile.in (sched-vis.o): Update dependencies.
2050 * haifa-sched.c (sched_finish): Clear current_sched_info.
2051 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2052 (dump_flow_info): Call it.
2053 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2055 * basic-block.h (dump_bb_info): Declare.
2056 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2057 option, and apply options only for dump files whose TDF_RTL,
2058 TDF_TREE, or TDF_IPA bits match.
2059 * rtl.h: Declare new functions exported from sched-vis.c.
2060 * sched-vis.c: Enable also if scheduling is not used.
2061 (print_value): Print the mode of registers if not inside scheduling.
2062 (print_insn): Make it work outside the scheduler. Beautify the output
2064 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2066 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2068 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2069 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2070 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2071 depending on the value of CONSTANT_POOL_ADDRESS_P.
2072 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2074 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2075 rather than SYMBOL_REF_DECL.
2076 (rtx_constant_pool): Remove const_rtx_sym_htab.
2077 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2078 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2079 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2080 Remove handling of const_rtx_sym_htab.
2081 (find_pool_constant): Delete.
2082 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2083 rather than find_pool_constant.
2084 (get_pool_constant_for_function): Delete.
2085 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2087 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2088 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2089 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2090 (SYMBOL_REF_CONSTANT): New macro.
2091 (get_pool_constant_for_function): Delete.
2092 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2093 rather than SYMBOL_REF_DECL.
2094 (i386_pe_mark_dllimport): Likewise.
2095 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2096 rather than SYMBOL_REF_DECL.
2097 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2098 (machopic_indirect_call_target): Likewise.
2100 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2102 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2104 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2106 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2108 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2110 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2112 2006-01-24 David Daney <ddaney@avtrex.com>
2115 * configure.ac (enable_tls): New enable option.
2116 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2117 * configure: Regenerate.
2118 * doc/install.texi (--enable-tls): Document new option.
2119 (--disable-tls): Ditto.
2121 2006-01-24 Richard Henderson <rth@redehat.com>
2123 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2124 * alias.c (true_dependence): Respect it.
2125 (canon_true_dependence, write_dependence_p): Likewise.
2126 * builtins.c (get_builtin_sync_mem): Set it.
2128 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2130 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2133 2006-01-24 DJ Delorie <dj@redhat.com>
2135 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2136 for storing constants in single-bit bitfields.
2138 2006-01-25 Ben Elliston <bje@au.ibm.com>
2140 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2142 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2145 * tree-ssa-pre.c (phi_translate): Return NULL
2146 for AGGREGATE_TYPE's.
2148 2006-01-24 Zack Weinberg <zackw@panix.com>
2150 * genautomata.c (process_state_for_insn_equiv_partition):
2151 Use xcalloc for insn_arcs_array.
2152 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2153 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2155 2006-01-24 Richard Henderson <rth@redhat.com>
2157 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2160 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2162 PR rtl-optimization/25890
2163 PR rtl-optimization/25905
2164 * combine.c (expand_compound_operation, expand_field_assignment):
2165 Fail if the bitfield's final position is out of bounds.
2167 2006-01-24 Ian Lance Taylor <ian@airs.com>
2170 * cgraphunit.c (cgraph_output_in_order): Don't clear
2171 cgraph_asm_nodes until after asm strings have been output.
2173 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2175 * fix-header.c (read_scan_file): Add new parameter imultilib when
2176 calling register_include_chains.
2178 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2180 * omp-low.c: Update documentation.
2182 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2183 Daniel Berlin <dberlin@dberlin.org>
2187 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2188 return from the function.
2190 2006-01-22 Zack Weinberg <zackw@panix.com>
2192 * rtl.def (match_code): Add second argument.
2193 * genpreds.c (write_extract_subexp): New function.
2194 (write_match_code): Add path argument. Use write_extract_subexp.
2195 (write_predicate_expr): Pass path to write_match_code.
2196 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2197 not perform a mode test.
2198 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2199 a subexpression does not constrain the top-level code set.
2200 * read-rtl.c (read_rtx_variadic): New function.
2201 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2202 * doc/md.texi: Document new notation.
2203 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2204 (cmpsi_operand): ... here, using new notation.
2206 2006-01-22 Zack Weinberg <zackw@panix.com>
2208 * varray.c: Remove GENERATOR_FILE #ifdefs.
2210 2006-01-22 Zack Weinberg <zackw@panix.com>
2212 * genautomata.c (output_reserved_units_table): Emit nothing if
2213 description->query_units_num is zero. Remove extra blank line.
2214 (output_cpu_unit_reservation_p): Short circuit
2215 if description->query_units_num is zero.
2217 2006-01-22 Zack Weinberg <zackw@panix.com>
2219 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2220 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2221 nor any of the random handful of variables that used to be necessary
2222 when this program was linked with rtlanal.o. Prune set of forward
2223 function declarations.
2224 (struct attr_desc): Remove static_p field.
2225 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2226 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2227 (attr_string): Do not read the character one past the length of
2229 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2230 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2231 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2232 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2233 (make_automaton_attrs): New.
2234 (main): Do not call into genautomata. Call local gen_bypass
2235 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2236 Remove special case for insn_alts.
2237 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2238 varray.h (leftover from previous change). Prune set of forward
2239 function declarations. Remove state_alts fields from all
2240 structures. Remove state_alts_table from struct automaton.
2241 Make everything except main static. Do not maintain num_dfa_decls.
2242 Do not maintain state_alts fields of various structures.
2243 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2244 (add_arc): Remove state_alts argument. All callers updated.
2245 (output_reserved_units_table): Emit #ifdef here...
2246 (output_tables): ...not here. Don't generate state_alts tables.
2247 (expand_automata): Don't generate attributes.
2248 (write_automata): Don't generate state_alts functions.
2249 (main): New function.
2250 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2251 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2252 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2253 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2254 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2255 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2256 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2257 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2259 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2260 * genattrtab.h: Delete file.
2261 * Makefile.in (OBJS-common): Add insn-automata.o.
2262 (insn-automata.o): New rule.
2263 (simple_generated_c): Add insn-automata.c.
2264 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2265 (genprogmd): Add automata.
2266 (build/genattrtab): Needs no extra objects nor libraries.
2267 (build/genautomata): Needs build/vec.o and -lm.
2269 2006-01-22 Zack Weinberg <zackw@panix.com>
2271 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2272 (output_dfa_max_issue_rate, locked_states_num): Delete.
2273 (struct automaton): Add locked_states field.
2274 (output_dead_lock_vect): Save number of locked states in
2275 automaton->locked_states. If it is zero, don't print anything.
2276 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2277 (output_internal_dead_lock_func): Only test the dead_lock_vect
2278 for automata that have locked states.
2279 (output_statistics): Always print the number of locked states for
2280 each automaton. Calculate total number of locked states here.
2281 (write_automata): Don't call output_dfa_max_issue_rate.
2282 * genattrtab.c: Define length_unit_log as a const variable.
2283 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2284 max_insn_queue_index const.
2285 * final.c (length_unit_log): Declare const.
2286 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2288 2006-01-22 Zack Weinberg <zackw@panix.com>
2290 * genautomata.c: Include vec.h, not varray.h.
2291 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2292 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2293 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2294 VEC_* macros operating on appropriately typed vectors, or to
2295 malloced arrays when the size is known in advance. Const-ify
2296 many char* variables and function arguments. No functional changes.
2297 * Makefile.in (build/varray.o): Delete rule.
2298 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2299 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2301 2006-01-22 Zack Weinberg <zackw@panix.com>
2303 * gensupport.c: Define get_insn_name and record_insn_name here.
2304 (read_md_rtx): Call record_insn_name as appropriate.
2305 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2306 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2307 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2309 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2310 (BUILD_VARRAY): Delete.
2311 (genprognormal): Rename genprogmd. Fold in all programs from
2312 genprognoprint; also attrtab.
2313 (build/genattrtab): Just mention genautomata.o and varray.o.
2314 Reorganize a bit, add comments to make the categories clearer.
2316 2006-01-22 Zack Weinberg <zackw@panix.com>
2318 * genconditions.c (condition_table, add_condition): Delete.
2319 (write_conditions): Don't emit n_insn_conditions nor
2320 insn_elision_unavailable. Issue the gcc version #ifdef here,
2321 inside the table, with no #else clause ...
2322 (write_header): ...not here.
2323 (write_writer): New function.
2324 (main): Don't initialize condition_table. Use add_c_test.
2326 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2327 files on the command line.
2328 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2329 Return -1 if there is no entry in the table, don't abort.
2330 (add_c_test, traverse_c_tests): New functions.
2331 * gensupport.h (insn_elision_unavailable, insn_conditions)
2332 (n_insn_conditions): Delete declarations.
2333 (add_c_test, traverse_c_tests): Declare.
2334 * read-rtl.c: Include gensupport.h.
2335 (read_conditions): New function.
2336 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2337 (read_rtx_1): If we get EOF when we were looking for an initial
2338 open paren, return 0. Call read_conditions when appropriate.
2339 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2340 dummy-conditions.o. Eliminate references to insn-conditions.o,
2341 or change them to build/gencondmd.o, as appropriate. Remove
2342 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2343 from $(simple_generated_c). For all files remaining in those
2344 two lists, add insn-conditions.md to the generator command line.
2345 Give insn-constants.h/s-constants their own rules. Add rules
2346 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2347 (build/read-rtl.o): Depend on gensupport.h.
2348 (genprognormal): Include preds.
2349 (genprogearly): Rename genprognoprint; only difference is now that
2350 they don't link with $(BUILD_PRINT).
2351 * dummy-conditions.c: Delete.
2353 2006-01-22 Zack Weinberg <zackw@panix.com>
2355 * genextract.c: Don't include insn-config.h. Do include vec.h.
2356 Declare vectors of int, char, and locstr.
2357 (locstr): New typedef.
2358 (struct extraction): Make all array fields into bare pointers.
2359 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2360 (insn_code_number): Delete.
2361 (accum_extract): New struct.
2362 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2363 (gen_insn): Take insn_code_number as an argument. Use an
2364 accum_extract structure instead of loading data directly into
2365 a struct extraction, and having to know how big it might get.
2366 (walk_rtx): Operate entirely on an accum_extract structure.
2367 (print_path): Avoid unnecessary use of printf.
2368 (print_header): New function, split out of main. Distinguish
2369 more carefully between an unrecognizable insn and an insn that
2370 has the code number of a define_expand.
2371 (main): Pass insn_code_number to gen_insn. Call print_header
2372 only after parsing. Avoid unnecessary use of printf.
2373 * Makefile.in (build/vec.o): New rule.
2374 (build/genextract): Depend on build/vec.o.
2375 (build/genextract.o): Don't depend on insn-config.h.
2377 2006-01-22 Zack Weinberg <zackw@panix.com>
2379 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2380 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2381 practical. Eliminate per-generator-program link rules.
2383 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2386 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2387 with a call expr to ...
2388 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2390 2006-01-23 Richard Guenther <rguenther@suse.de>
2392 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2393 before make_edge with conditional EDGE_TRUE_VALUE.
2395 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2396 Jan Hubicka <jh@suse.cz>
2397 Richard Guenther <rguenther@suse.de>
2399 PR rtl-optimization/25654
2400 * cfgexpand.c (aggregate_contains_union_type): New function.
2401 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2402 for structure variables that contain a union type.
2404 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2406 * gengtype.c (new_structure): Return the structure.
2407 (create_option): Add an extra "next" argument.
2408 (create_field): New function.
2409 (adjust_field_rtx_def): Use create_option and create_field.
2410 Remove a now-unnecessary call to find_structure.
2411 (adjust_field_tree_def): Likewise.
2412 (note_yacc_type): Remove an unnecessary call to find_structure.
2413 * gengtype.h (new_structure): Return the structure.
2414 (create_option): Add an extra argument.
2415 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2416 (option): Adjust calls to create_option.
2418 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2420 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2422 2006-01-22 Paul Brook <paul@codesourcery.com>
2423 Peter Barada <peter@the-baradas.com>
2425 * config/m68k/m68k.md: Add Coldfire FPU support.
2426 Define FP mode macro and associated attributes.
2427 Use it for float mode patterns.
2428 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2429 (LIBCALL_VALUE): Use m68k_libcall_value.
2430 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2431 (m68k_function_value): Ditto.
2432 (emit_move_sequence): Ditto.
2433 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2434 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2435 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2436 (MULTILIB_EXCEPTIONS): Ditto.
2437 * config/m68k/m68k.opt: Add mcfv4e.
2438 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2439 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2440 (m68k_output_function_prologue): Save ColdFire FPU registers.
2441 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2442 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2443 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2444 ColdFire FPU registers.
2445 (m68k_libcall_value, m68k_function_value): New functions.
2446 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2447 (LIBCALL_VALUE): Use m68k_libcall_value.
2448 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2449 (MASK_COLDFIRE): Add MASK_CFV4E.
2450 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2451 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2452 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2453 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2454 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2455 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2456 * doc/invoke.tex: Document -mcfv4e on m68k.
2458 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2460 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2463 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2466 * c-opts.c (c_common_handle_option): Don't include
2467 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2468 * doc/invoke.texi (C++ Dialect Options): Document that
2469 -Wnon-virtual-dtor is no longer included in -Wall.
2471 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2473 * gcov.c (print_version), gcov-dump.c (print_version),
2474 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2477 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2479 * df-scan.c (problem_SCAN): Added NULL reset function.
2480 (df_scan_reset_blocks): Added code to call reset block function
2481 (df_bb_refs_delete) Fixed comment.
2482 (df_insn_refs_delete): Made tolerant of deleting non existent info
2483 for dataflow problems that need to be reset.
2484 * df-core.c (df_set_blocks): Ditto.
2485 * df.h (struct df_problem): Added reset_fun.
2486 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2487 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2488 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2489 functions to clear out all references to def-use or use-def chains.
2491 2006-01-21 Ben Elliston <bje@au.ibm.com>
2493 * varasm.c (assemble_real): Initialise data array.
2495 2006-01-20 Paul Brook <paul@codesourcery.com>
2497 Merge from csl-arm-branch.
2498 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2499 * config/arm/arm.md (movdi): Force operands[1] to a register
2500 if we have a non-register source.
2501 (*arm_movdi, *movdf_soft_insn): Require that one of the
2502 operands be a register.
2503 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2504 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2506 2006-01-20 DJ Delorie <dj@redhat.com>
2508 * varasm.c (initialize_constant_valid_p): Allow pointers
2509 initialized from integer constants of lesser precision.
2510 (output_constant): Allow non-int-sized pointer modes to be
2511 initialized from integer constants.
2513 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2516 * cppdefault.h (struct default_include): Add multilib flag.
2517 * cppdefault.c (cpp_include_defaults): Set it.
2518 * c.opt (-imultilib): New option.
2519 * c-opts.c (imultilib): New.
2520 (c_common_handle_option): Handle -imultilib.
2521 (c_common_post_options): Likewise.
2522 * c-incpath.c (add_standard_paths, register_include_chains):
2524 * c-incpath.h (register_include_chains): Add extra parameter.
2525 * gcc.c (do_spec_1): Generate -imultilib option.
2526 (The Specs Language): Update %I description.
2527 (process_command): Update copyright notice.
2528 * doc/cppopts.texi (-imultilib): Document.
2529 * doc/invoke.texi (-imultilib): Include in option summary.
2530 (%I): Update specs documentation.
2532 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2534 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2536 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2538 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2541 2006-01-20 Richard Guenther <rguenther@suse.de>
2542 Steven Bosscher <stevenb.gcc@gmail.com>
2544 PR rtl-optimization/24626
2545 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2546 EDGE_TRUE_VALUE if in RTL mode.
2549 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2550 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2552 2006-01-20 Dirk Mueller <dmueller@suse.com>
2555 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2556 instead of a special NOP marker.
2557 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2558 NOP marker handling.
2559 * c-common.h (empty_body_warning): Add forward declaration.
2560 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2561 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2563 2006-01-20 Paul Brook <paul@codesourcery.com>
2565 * Makefile.in (lang_checks): Keep going if mkdir fails.
2567 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2569 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2570 be able to clean out basic block when not necessary.
2571 (df_scan_free): Fixed to properly delete information if df is
2572 unused before calling df_finish.
2573 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2574 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2576 (df_bb_refs_delete): New function.
2577 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2578 * df-core.c (df_set_blocks): Added code to properly clean out
2579 unused blocks if they are not part of the blocks to consider.
2580 Added additional null check.
2581 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2582 be able to clean out basic block when not necessary
2583 * df.h (df_free_bb_function): Ditto.
2584 (df_bb_refs_delete): New function.
2585 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2586 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2587 basic block parameter to be able to clean out basic block when not
2589 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2590 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2591 Fixed to properly delete information if df is unused before
2594 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2596 PR rtl-optimization/25799
2597 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2598 Corrected confluence operator to remove bits from op2 before oring
2599 with op1 rather than removing bits from op1.
2600 (df_ru_transfer_function): Corrected test on wrong bitmap which
2601 caused infinite loop. Both of these problems were introduced in
2602 the dataflow rewrite.
2604 2006-01-19 DJ Delorie <dj@redhat.com>
2606 * reload1.c (find_reload_regs): Note the details of reload
2607 failures in the dump file.
2608 (spill_failure): Likewise.
2610 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2612 * loop-iv.c: Include df.h and hashtab.h.
2613 (enum iv_grd_result): New enum.
2614 (DF_REF_IV, DF_REF_IV_SET): New macros.
2615 (struct biv_entry): New.
2616 (df, bivs): New global variables.
2617 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2618 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2620 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2621 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2622 analyzed_for_bivness_p, record_biv): New functions.
2623 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2624 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2625 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2627 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2629 (iv_number_of_iterations): Use new interface to iv analysis.
2630 * loop-unroll.c: Do not include varray.h.
2631 (analyze_iv_to_split_insn): Use new interface to iv
2633 * loop-unswitch.c (may_unswitch_on): Ditto.
2634 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2636 (df_bb_modify): Realloc tables to the new index.
2637 (df_find_use): New function.
2638 * df.h (df_find_use): Declare.
2639 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2641 * cfgloop.h (struct rtx_iv): Remove analysed field.
2642 (iv_get_reaching_def): Removed.
2643 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2644 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2645 (loop-iv.o): Add df.h and hashtab.h dependency.
2646 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2648 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2651 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2653 (__floatundisf, __floatundidf): Likewise.
2654 * libgcc2.h (IS_IBM_EXTENDED): Define.
2656 2006-01-19 DJ Delorie <dj@redhat.com>
2658 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2660 2006-01-19 Paul Brook <paul@codesourcery.com>
2662 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2663 as nothrow when unwinding tables are disabled.
2665 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2668 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2669 of bit-field" when in system header.
2671 2006-01-19 DJ Delorie <dj@redhat.com>
2673 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2674 the 16 bit shift limit of the m16c.
2676 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2679 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2680 * config/i386/i386.c (output_set_got): Output the label if we have one
2681 for the TARGET_DEEP_BRANCH_PREDICTION case.
2683 2006-01-19 Jan Hubicka <jh@suse.cz>
2684 H.J. Lu <hongjiu.lu@intel.com>
2685 Evandro Menezes <evandro.menezes@amd.com>
2687 * invoke.texi (generic): Document
2689 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2690 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2691 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2692 (x86_use_incdec, x86_pad_returns): New variables
2693 (TARGET_CPU_DEFAULT_generic): New constant
2694 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2695 (enum processor_type): Add generic32 and generic64.
2696 * i386.md (cpu attribute): Add generic32/generic64
2697 (movhi splitter): Behave sanely when both partial_reg_dependency and
2698 partial_reg_stall are set.
2699 (K8 splitters): Enable for generic as well.
2700 * predicates.md (incdec_operand): Use TARGET_INCDEC
2701 (aligned_operand): Avoid memory mismatch stalls.
2702 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2703 * ppro.md: Enable for generic32
2704 * i386.c (generic64_cost, generic32_cost): New.
2705 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2706 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2707 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2708 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2709 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2710 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2711 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2712 x86_accumulate_outgoing_args, x86_prologue_using_move,
2713 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2714 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2716 (x86_use_incdec, x86_pad_returns): New.
2717 (override_options): Add generic32 and generic64, translate "generic"
2718 to generic32/generic64 and "i686" to "generic32", refuse
2719 "generic32"/"generic64" as arch target.
2720 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2721 (ix86_reorg): Honor PAD_RETURNS.
2723 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2725 * tree-pretty-print.c (dump_generic_node): Handle
2726 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2727 * cgraph.c (cgraph_expand_queue): Rename from
2728 cgraph_analyze_queue. Update all users.
2729 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2730 cgraph_expand_queue.
2731 (cgraph_expand_all_functions): Likewise.
2732 (cgraph_finalize_pending_functions): Remove. Update callers.
2734 * tree.h (OMP_DIRECTIVE_P): Define.
2735 (OMP_PARALLEL_FN): Define.
2736 (OMP_PARALLEL_DATA_ARG): Define.
2737 (OMP_SECTIONS_SECTIONS): Define.
2738 * tree-pass.h (pass_expand_omp): Declare.
2739 * omp-low.c (struct omp_region): Declare.
2740 (struct omp_context): Remove fields 'parallel_type',
2741 'parallel_start_ix' and 'parallel_start_additional_args'.
2743 (struct omp_for_data): Rename from struct expand_omp_for_data.
2744 (omp_regions): New static variable.
2745 (root_omp_region): New static variable.
2746 (find_omp_clause): Make static.
2747 (is_in_combined_parallel_ctx): Remove.
2748 (is_combined_parallel): New.
2749 (extract_omp_for_data): Move earlier in the file.
2750 (workshare_safe_to_combine_p): New.
2751 (get_ws_args_for): New.
2752 (determine_parallel_type): Move earlier in the file.
2753 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2755 (omp_copy_decl): Likewise.
2756 (create_omp_child_function): Likewise.
2757 (lookup_omp_region): New.
2758 (dump_omp_region): New.
2759 (debug_omp_region): New.
2760 (debug_all_omp_regions): New.
2761 (new_omp_region): New.
2762 (scan_omp_parallel): If parallel_nesting_level > 1, the
2763 directive is nested within another parallel directive.
2764 Set OMP_PARALLEL_FN.
2765 (scan_omp_for): Do not try to handle combined parallel+for
2767 Remove FIXME comment.
2768 (scan_omp_nested): Remove.
2769 (scan_omp_1): Do not call scan_omp_nested when
2770 parallel_nesting_level is > 1.
2771 Do not change the DECL_CONTEXT of local variables found.
2772 (lookup_decl_in_outer_ctx): New.
2773 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2774 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2775 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2776 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2777 If CTX is nested, lookup VAR in the outer context when
2778 building copy assignment.
2779 (lower_send_clauses): Rename from expand_send_clauses.
2780 If CTX is nested, lookup VAR in the outer context when
2781 building copy assignments.
2782 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2783 If CTX is nested, lookup VAR in the outer context when
2784 building copy assignments.
2785 (expand_parallel_call): Rename from build_parallel_call.
2786 Handle combined parallel+workshare cases.
2787 Re-implement to emit code into the CFG.
2789 (expand_omp_parallel): Re-implement to emit code into the CFG.
2790 Call move_sese_region_to_fn to outline the sub-graph
2791 containing the parallel region.
2792 (expand_omp_for_1): Remove.
2793 (expand_omp_for_generic): Re-implement to emit code into the
2795 (expand_omp_for_static_nochunk): Likewise.
2796 (expand_omp_for_static_chunk): Likewise.
2797 (expand_omp_for): Likewise.
2798 (expand_omp_sections): Likewise.
2799 (remove_exit_barriers): New.
2800 (expand_omp_synch): New.
2802 (build_omp_regions_1): New.
2803 (build_omp_regions): New.
2804 (execute_expand_omp): New.
2805 (gate_expand_omp): New.
2806 (pass_expand_omp): Define.
2807 (lower_omp_sections): Rename from expand_omp_sections.
2808 Set OMP_SECTIONS_SECTIONS.
2809 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2810 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2811 (lower_omp_single): Rename from expand_omp_simple.
2812 (lower_omp_master): Rename from expand_omp_master.
2813 (lower_omp_ordered): Rename from expand_omp_ordered.
2814 (lower_omp_critical): Rename from expand_omp_critical.
2815 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2816 (lower_omp_for): Re-implement.
2817 (lower_omp_parallel): Re-implement.
2818 (lower_regimplify): Rename from expand_regimplify.
2819 (lower_omp_1): Rename from expand_omp_1.
2820 If there are syntax errors in the program, replace every
2821 OpenMP directive with NOP.
2822 Call lower_omp_* instead of expand_omp_*.
2823 (lower_omp): Rename from expand_omp.
2825 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2826 * tree-gimple.h (enum omp_parallel_type): Remove.
2827 (gimple_boolify): Declare extern.
2828 (find_omp_clause, determine_parallel_type): Remove.
2830 * gimple-low.c (lower_omp_directive): New.
2831 (lower_stmt): Call it.
2832 (record_vars_into): Move from ...
2833 (record_vars): ... here.
2834 Call record_vars_into with current_function_decl.
2836 * gimplify.c (struct gimplify_ctx): Remove fields
2837 combined_pre_p and combined_ctxp. Update users.
2838 (get_formal_tmp_var): Add documentation.
2839 (gimple_boolify): Make extern.
2840 (gimplify_expr_in_ctx): Remove. Update callers.
2841 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2842 will always be a BIND_EXPR.
2843 (gimplify_expr): Handle OMP_RETURN_EXPR.
2844 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2845 (OMP_PARALLEL): Add 3 operands.
2846 (OMP_SECTIONS): Add 1 operand.
2847 (OMP_RETURN_EXPR): Define.
2849 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2850 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2851 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2852 creating a circular free list.
2853 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2855 * tree-flow.h (move_sese_region_to_fn): Declare.
2856 (record_vars_into): Declare.
2857 * tree-cfg.c (make_omp_sections_edges): New.
2858 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2859 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2860 OMP_SECTIONS and OMP_SECTION.
2861 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2862 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2863 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2864 (gather_blocks_in_sese_region): New.
2865 (struct move_stmt_d): Declare.
2867 (move_block_to_fn): New.
2868 (move_sese_region_to_fn): New.
2870 * passes.c (init_optimization_passes): Schedule
2871 pass_expand_omp after pass_init_datastructures.
2873 * tree-ssa-operands.c (get_expr_operands): Handle
2874 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2875 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2877 2006-01-19 Jeff Law <law@redhat.com>
2879 * tree-vrp.c (extract_range_from_assert): Refine the result range
2880 if the variable referenced by the ASSERT_EXPR has a range and
2881 either the tentative result range or the previous range is a
2884 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2886 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2888 2006-01-19 Jan Hubicka <jh@suse.cz>
2890 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2892 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2894 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2895 (expand_compound_operation, expand_field_assignment): Fail if the
2896 bit lengths of an extract operation are out of range.
2897 (make_extraction): Compute wanted_inner_mode based on the position
2898 and length of the extraction. Make it extraction_mode for non-constant
2899 positions, and do not modify offset in that case. When generating a
2900 new MEM, use a mode that can hold the extraction while keeping correct
2901 alignment. Remove code that supported MEMs wrapped by USEs.
2902 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2904 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2906 * config/s390/s390.md ("Y", "y"): New mode attribute.
2907 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2908 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2909 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2910 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2911 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2912 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2913 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2914 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2915 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2916 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2917 "addsi3", "subsi3"): Insn patterns removed.
2918 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2919 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2920 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2921 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2922 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2923 "*sub<mode>3_cconly2"): New insn patterns.
2924 ("addsi3", "subsi3"): New expanders.
2926 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2928 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2929 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2930 existing STMT_VINFO_VECTYPE if available.
2931 (vect_mark_relevant): Add special handling for stmts that are
2932 marked as STMT_VINFO_IN_PATTERN_P.
2933 (vect_analyze_loop): Call vect_pattern_recog.
2934 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2935 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2937 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2938 (vect_recog_func_ptr): New function-pointer type.
2939 * tree-vect-patterns.c: New file.
2940 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2941 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2942 (vect_pattern_recog_1): New functions.
2943 (vect_pattern_recog_funcs): New array of function pointers.
2945 * tree-vectorizer.h (ternary_op): New enum value.
2946 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2947 declaration. Revised documentation. Removed redundant dump prints.
2948 Removed redundant argument. Added support for reduction patterns.
2949 (vectorizable_reduction): Added support for reduction patterns.
2950 (vect_transform_stmt): Added support for patterns.
2952 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2953 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2954 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2955 (expand_widen_pattern_expr): New function.
2956 (init_optabs): Initialize new optabs udot_prod_optab,
2958 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2959 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2960 (expand_widen_pattern_expr): New function declaration.
2961 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2963 * tree-inline.c (estimate_num_insns_1): Added cases for new
2964 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2965 * tree-pretty-print.c (dump_generic_node): Likewise.
2966 (op_prio): Likewise.
2967 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2968 * tree-ssa-operands.c (get_expr_operands): Added case for
2970 * tree-vect-patterns.c (widened_name_p): New function.
2971 (vect_recog_dot_prod_pattern): Added function implementation.
2972 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2973 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2974 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2975 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2977 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2978 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2979 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2980 (init_optabs): Initialize new optabs widen_ssum_optab,
2982 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2983 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2984 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2985 use instead of type of def.
2986 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2987 function implementation.
2988 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2989 widen_ssumv8hi): New.
2991 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2994 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2997 * c-decl.c (add_flexible_array_elts_to_size): New function.
2998 (finish_decl): Use it.
3000 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3002 * diagnostic.h: Include options.h.
3003 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3004 dependancies for diagnostic.h.
3005 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3007 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3009 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3010 (ssa_ro_call_cache_valid): Ditto.
3011 * tree-ssa-alias.c (sort_tags_by_id): New function.
3012 (init_transitive_clobber_worklist): Ditto.
3013 (add_to_worklist): Ditto.
3014 (mark_aliases_call_clobbered): Ditto.
3015 (compute_tag_properties): Ditto.
3016 (set_initial_properties): Ditto.
3017 (compute_call_clobbered): Ditto.
3018 (compute_may_aliases): Call compute_call_clobbered and grouping.
3019 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3020 (compute_flow_insensitive_aliasing): Grouping now happens in our
3022 (setup_pointers_and_addressables): Remove clobbering related code.
3023 (add_may_alias): Ditto.
3024 (replace_may_alias): Ditto.
3025 (get_nmt_for): Ditto.
3026 (create_global_var):
3027 (is_escape_site): Return an escape_type enumeration.
3028 * tree-flow-inline.h (is_call_clobbered): Global var does not
3029 imply call clobbered.
3030 (mark_call_clobbered): Take a reason for marking this. Remove
3031 marking of globalness, and cache invalidation.
3032 (clear_call_clobbered): Remove cache invalidation code.
3033 * tree-dfa.c (dump_variable): If details is on, dump the reason
3035 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3037 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3038 (struct var_ann_d): Ditto.
3039 (enum escape_type): New.
3040 (mark_call_clobbered): Adjust prototype.
3041 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3042 are never call clobbered.
3043 Record reasons for escaping.
3044 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3045 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3046 (ssa_ro_call_cache_valid): Ditto.
3047 (clobbered_v_may_defs): Ditto.
3048 (clobbered_vuses): Ditto.
3049 (ro_call_vuses): Ditto.
3050 (clobber_stats): New.
3051 (init_ssa_operands): Zero out clobber stats.
3052 (fini_ssa_operands): Print out clobber stats.
3053 (get_call_expr_operands): Pass callee fndecl to
3055 (add_call_clobber_ops): Remove use of cache.
3056 Add use of PURE_CONST information.
3057 (add_call_read_ops): Remove use of cache.
3058 Add use of static not_read information.
3060 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3062 Introduce TLS descriptors for i386 and x86_64.
3063 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3064 (TARGET_ANY_GNU_TLS): New macro.
3065 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3066 (struct machine_function): Add tls_descriptor_call_expanded_p.
3067 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3068 (ix86_current_function_calls_tls_descriptor): Likewise.
3069 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3070 (override_options): Introduce gnu2 tls dialect.
3071 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3073 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3075 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3076 (ix86_init_machine_status): Initialize new field.
3077 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3078 (ix86_tls_module_base): New.
3079 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3080 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3081 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3082 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3083 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3084 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3085 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3086 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3087 * config/i386/predicates.md (tls_modbase_operand): New.
3088 (tp_or_register_operand): New.
3090 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3092 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3093 (look_for_address_of): Ditto.
3094 (ipa_init): Walk the function decls.
3095 (static_execute): Don't set readonly on FUNCTION_DECL's.
3097 2006-01-18 Roger Sayle <roger@eyesopen.com>
3099 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3100 for shifts where the source and destination registers are different.
3102 2006-01-18 Paul Brook <paul@codesourcery.com>
3104 Merge from csl-arm-branch.
3105 2005-03-14 Julian Brown <julian@codesourcery.com>
3106 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3107 (aeabi_llsl): Likewise.
3108 (ashrdi3): Likewise.
3109 (aeabi_lasr): Likewise.
3110 (lshrdi3): Likewise.
3111 (aeabi_llsr): Likewise.
3112 2005-03-10 Julian Brown <julian@codesourcery.com>
3113 * config.gcc: Disable shared libgcc for SymbianOS.
3114 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3116 2006-01-18 DJ Delorie <dj@redhat.com>
3118 * c-pragma.c (handle_pragma_diagnostic): New.
3119 (init_pragma): Register it.
3120 * doc/extend.texi: Document it.
3122 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3123 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3124 (diagnostic_context): Add classify_diagnostic[].
3125 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3126 as errors if they're overridden to DK_WARNING.
3127 (diagnostic_initialize): Initialize classify_diagnostic[].
3128 (diagnostic_set_kind_override): New.
3129 (diagnostic_report_diagnostic): Check for kind changes.
3130 * opts.c (common_handle_option): Take lang_mask. Update callers.
3132 * common.opt (Werror=): New.
3133 * doc/invoke.texi: Document -Werror=*
3135 2006-01-18 Jeff Law <law@redhat.com>
3137 * tree-vrp.c (test_for_singularity): Correct test for new
3138 min limit. Use operand_equal_p rather than pointer equality
3139 for testing if new min/max values are equal.
3141 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3142 using range information until after propagation and folding.
3144 2006-01-18 Richard Henderson <rth@redhat.com>
3145 Aldy Hernandez <aldyh@redhat.com>
3146 Jakub Jelinek <jakub@redhat.com>
3147 Diego Novillo <dnovillo@redhat.com>
3149 * omp-low.c: New file.
3150 * c-omp.c: New file.
3152 2006-01-18 Richard Henderson <rth@redhat.com>
3153 Jakub Jelinek <jakub@redhat.com>
3154 Diego Novillo <dnovillo@redhat.com>
3156 * doc/invoke.texi: Document -fopenmp.
3157 * tree-dump.h (debug_function): Declare.
3158 * hooks.c (hook_bool_tree_bool_false): New function.
3159 (hook_tree_tree_null): Remove.
3160 (hook_tree_tree_tree_null): New.
3161 * hooks.h: Update to match.
3162 * tree-pretty-print.c (debug_tree_chain): New.
3163 (print_generic_expr): Handle TDF_CHAIN.
3164 (dump_generic_node): Handle BLOCK.
3165 Do not abort with incomplete SWITCH_EXPRs.
3166 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3167 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3168 print space after directive name.
3169 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3170 Handle OMP_MASTER and OMP_ORDERED.
3171 Handle printing of OMP_BODY just in one place, goto
3172 dump_omp_body in the rest of OMP_* nodes that have
3174 Don't handle clause nodes here. Update omp statements to
3175 use dump_omp_clauses.
3176 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3177 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3178 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3179 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3180 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3181 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3182 Adjust output for GOMP_PARALLEL.
3183 (dump_omp_clauses): New.
3184 (print_declaration): Dump DECL_VALUE_EXPR.
3185 (op_symbol_1): Split out of op_symbol.
3186 (dumping_stmts): Remove. Update all users.
3187 * cgraph.c (cgraph_analyze_queue): New.
3188 (cgraph_add_new_function): New.
3189 * cgraph.h (cgraph_analyze_queue): Declare.
3190 (cgraph_add_new_function): Declare.
3191 (cgraph_lower_function): Remove.
3192 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3193 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3194 and TYPE_P nodes in its default clause.
3195 (empty_body_p): New.
3196 (tree_range_check_failed): New.
3198 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3199 OMP_CLAUSE_REDUCTION_MERGE,
3200 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3201 OMP_CLAUSE_PRIVATE_DEBUG,
3202 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3203 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3204 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3205 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3206 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3207 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3208 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3209 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3210 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3211 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3212 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3213 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3214 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3215 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3216 (TREE_RANGE_CHECK): New.
3217 (empty_body_p): Declare.
3218 (enum omp_clause_default_kind): New.
3219 (build_string_literal): Declare.
3220 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3221 (build5_stat, build5): Declare.
3222 * tree-pass.h (TDF_CHAIN): Define.
3223 * tree-pass.h (PROP_gimple_lomp): Define.
3224 (pass_lower_omp): Declare.
3225 * diagnostic.h (debug_tree_chain): Declare.
3226 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3228 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3229 * builtins.c (build_string_literal): Make extern.
3230 * gcc.c (include_spec_function): New.
3231 (static_spec_functions): Add it.
3232 (main): Move load of libgomp.spec ...
3233 (LINK_COMMAND_SPEC): ... here.
3234 (link_gomp_spec): New.
3235 (static_specs): Include it.
3236 (LINK_COMMAND_SPEC): Add link_gomp.
3237 (GOMP_SELF_SPECS): New.
3238 (driver_self_specs): Include it.
3239 (switch_matches): Don't mark inline.
3240 (main): Load libgomp.spec.
3241 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3242 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3243 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3244 * tree-gimple.h (enum omp_parallel): Declare.
3245 (determine_parallel_type): Declare.
3246 (omp_firstprivatize_variable): Declare.
3247 (omp_reduction_init): Declare.
3248 (diagnose_omp_structured_block_errors): Declare.
3249 (struct walk_stmt_info): Add want_return_expr.
3250 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3251 (find_omp_clause): Declare.
3252 (insert_field_into_struct): Declare.
3253 (struct walk_stmt_info): Move from tree-nested.c
3254 (walk_stmts): Declare.
3255 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3257 * cgraphunit.c (cgraph_lower_function): Make static.
3258 (cgraph_finalize_pending_functions): New.
3259 (cgraph_finalize_function): Call it.
3260 (cgraph_finalize_compilation_unit): Likewise.
3261 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3262 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3263 (BT_FN_UINT_UINT): New.
3264 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3265 DEF_FUNCTION_TYPE_VAR_4): Document.
3266 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3267 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3268 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3269 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3270 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3271 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3272 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3273 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3274 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3275 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3276 into separate files.
3277 (DEF_GOMP_BUILTIN): New.
3278 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3279 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3280 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3281 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3282 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3283 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3284 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3285 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3286 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3287 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3288 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3289 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3290 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3291 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3292 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3293 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3294 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3295 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3296 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3297 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3298 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3299 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3300 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3301 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3302 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3303 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3304 * sync-builtins.def: New file, moved from builtins.def.
3305 * omp-builtins.def: New file, moved from builtins.def.
3306 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3307 * gimple-low.c (lower_function_body): Clear data.
3308 (lower_stmt): Do not handle COMPOUND_EXPR.
3309 Remove call to print_node_brief.
3310 * c-tree.h (c_finish_omp_clauses): New prototype.
3311 (C_DECL_THREADPRIVATE_P): Define.
3312 (lookup_name_no_remap, c_omp_remap_private): Remove
3313 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3314 (check_for_loop_decls): Update decl.
3315 (lookup_name_no_remap, c_omp_remap_private): Declare.
3316 (build_indirect_ref, build_modify_expr, pushdecl,
3317 pushdecl_top_level): Move to c-common.h.
3318 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3319 before the switch, but just in the 2 places that need it.
3320 * c-decl.c (diagnose_mismatched_decls): Do not check for
3321 mismatched thread-local attributes when OLDDECL is marked
3322 threadprivate and NEWDECL has no thread-local attributes.
3323 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3324 (c_gimple_diagnostics_recursively): Rename from
3325 c_warn_unused_result_recursively. Invoke
3326 diagnose_omp_structured_block_errors.
3327 (check_for_loop_decls): Return a singular decl found.
3328 * langhooks.c (lhd_omp_predetermined_sharing): Return
3329 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3330 (lhd_omp_firstprivatize_type_sizes): New.
3331 (lhd_omp_assignment): New.
3332 (lhd_omp_predetermined_sharing): New.
3333 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3334 (struct lang_hooks_for_types): Add
3335 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3336 omp_predetermined_sharing, omp_disregard_value_expr,
3337 omp_private_debug_clause, omp_clause_default_ctor,
3338 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3339 (c_finish_omp_clauses): New.
3340 (c_finish_bc_stmt): Diagnose break within omp for.
3341 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3342 (build_unary_op): Return error_mark after reporting
3344 (build_modify_expr): Likewise.
3345 * gimplify.c: Include optabs.h and pointer-set.h.
3346 (enum gimplify_omp_var_data): Declare.
3347 (struct gimplify_omp_ctx): Declare.
3348 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3350 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3351 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3352 (splay_tree_compare_decl_uid): New.
3353 (new_omp_context): New.
3354 (delete_omp_context): New.
3355 (gimple_add_tmp_var): Call omp_add_variable.
3356 (gimplify_bind_expr): Likewise.
3357 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3358 true, disregard DECL_VALUE_EXPR on the decl if any.
3359 (gimplify_expr_in_ctx): New.
3360 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3361 omp_add_variable, omp_notice_variable, omp_is_private
3362 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3363 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3364 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3365 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3366 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3367 gimplify_omp_atomic): New.
3368 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3369 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3370 OMP_CRITICAL and OMP_ATOMIC.
3371 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3372 * c-pragma.h (enum pragma_kind): Add
3373 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3374 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3375 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3376 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3377 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3378 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3379 PRAGMA_OMP_THREADPRIVATE.
3380 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3381 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3382 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3383 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3384 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3385 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3386 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3387 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3388 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3389 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3390 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3391 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3392 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3394 (struct nesting_info): Add field_map,
3395 suppress_expansion, debug_var_chain.
3396 (create_nesting_tree): Initialize them.
3397 (lookup_field_for_decl): Use field_map.
3398 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3399 (convert_local_omp_clauses): New.
3400 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3401 (walk_body): Split out of walk_function.
3402 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3403 (convert_nonlocal_reference): Handle omp statements.
3404 (convert_local_reference): Likewise.
3405 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3406 (unnest_nesting_tree): New.
3407 (lower_nested_functions): Call it.
3408 (insert_field_into_struct): Make extern.
3409 (struct walk_stmt_info): Move to tree-gimple.h.
3410 (walk_stmts): Make extern.
3411 * omp-builtins.def: New file.
3412 * tree-iterator.c (expr_only): Clarify comment.
3413 * c-common.h (pushdecl_top_level, pushdecl,
3414 build_modify_expr, build_indirect_ref,
3415 c_finish_omp_master, c_finish_omp_critical,
3416 c_finish_omp_ordered, c_finish_omp_barrier,
3417 c_finish_omp_atomic, c_finish_omp_flush,
3418 c_finish_omp_for, c_split_parallel_clauses,
3419 omp_clause_default_kind, c_omp_sharing_predetermined,
3420 c_omp_remap_decl): Declare.
3421 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3422 (OBJS-common): Add omp-low.o.
3423 (c-omp.o, omp-low.o): Add.
3424 (gimplify.o): Add dependency on $(OPTABS_H).
3425 (GTFILES): Add omp-low.c.
3426 (gt-stringpool.h): Add.
3427 * tree-cfg.c (set_bb_for_stmt): Do not update the
3428 block-to-labels map if we are currently expanding to RTL.
3429 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3431 Handle IDENTIFIER_NODE.
3432 (tree_verify_flow_info): Do not ICE when emitting error
3433 messages about invalid labels.
3434 (dump_function_to_file): Reset CFUN before emitting the body
3436 (debug_function): New.
3437 * passes.c (init_optimization_passes): Schedule
3439 * langhooks-def.h (lhd_omp_predetermined_sharing,
3440 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3442 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3443 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3444 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3445 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3446 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3447 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3448 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3449 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3450 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3451 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3452 (LANG_HOOK_DECLS): Use them.
3454 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3455 Richard Henderson <rth@redhat.com>
3456 Jakub Jelinek <jakub@redhat.com>
3457 Diego Novillo <dnovillo@redhat.com>
3459 * c-parser.c (pragma_omp_clause): Define.
3460 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3461 (c_parser_compound_statement): Likewise.
3462 (c_parser_statement): Likewise.
3463 (c_parser_pragma): Handle omp pragmas.
3464 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3465 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3466 (c_parser_omp_clause_name, check_no_duplicate_clause,
3467 c_parser_omp_variable_list,
3468 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3469 c_parser_omp_clause_copyprivate,
3470 c_parser_omp_clause_default,
3471 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3472 c_parser_omp_clause_lastprivate,
3473 c_parser_omp_clause_nowait,
3474 c_parser_omp_clause_num_threads,
3475 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3476 c_parser_omp_clause_reduction,
3477 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3478 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3479 c_parser_omp_atomic, c_parser_omp_barrier,
3480 c_parser_omp_critical, c_parser_omp_flush,
3481 c_parser_omp_for_loop, c_parser_omp_for,
3482 c_parser_omp_master, c_parser_omp_ordered,
3483 c_parser_omp_sections_scope, c_parser_omp_sections,
3484 c_parser_omp_parallel, c_parser_omp_single,
3485 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3486 * c-pragma.c (init_pragma): Do omp pragma registration here.
3487 * c.opt (fopenmp): New flag.
3489 2006-01-18 Eric Christopher <echristo@apple.com>
3491 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3492 * config/darwin.h (GOMP_SELF_SPECS): Define.
3494 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3496 * rtl.h: Remove the prototype for reg_alloc.
3498 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3501 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3502 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3503 sjlj and dwarf2 exception handling.
3504 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3505 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3506 * pa/pa.c (function_value): Treat complex and vector types as
3508 (function_arg): Likewise. Only pass scalar floats in the floating
3509 point argument registers.
3510 * pa/t-slibgcc-dwarf-ver: New file.
3511 * pa/t-slibgcc-sjlj-ver: New file.
3512 * pa/t-slibgcc-elf-ver: Delete file.
3514 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3516 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3517 unlikely_test_section_p test.
3519 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3521 * mode-switching.c (optimize_mode_switching): Make it static.
3522 * basic-block.h: Remove the prototype for
3523 optimize_mode_switching.
3525 * modulo-sched.c (sms_schedule): Make it static.
3526 * rtl.h: Remove the prototype for sms_schedule.
3528 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3529 * rtl.h: Remove the prototype for gcse_after_reload_main.
3531 * reg-stack.c (reg_to_stack): Make it static.
3532 * rtl.h: Remove the prototype for reg_to_stack.
3534 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3536 * rtl.h: Remove the prototypes for regrename_optimize and
3537 copyprop_hardreg_forward.
3539 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3541 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3542 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3543 Test against the appropriate null constant for the mode.
3544 If 'fixup_overlap' is true, swap the operands if they overlap.
3545 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3546 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3547 alpha_split_tmode_pair and adjust for above change.
3548 * config/alpha/alpha.md (movtf_internal): Adjust call to
3549 alpha_split_tfmode_pair and rely on it to swap the operands.
3550 (movti_internal): New insn and post-reload splitter.
3551 (movti): New expander.
3553 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3555 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3558 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3560 * rtlanal.c (global_reg_mentioned_p_1,
3561 global_reg_mentioned_p): Remove.
3562 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3564 * flow.c (initialize_uninitialized_subregs): Make it static.
3565 * rtl.h: Remove the prototype for
3566 initialize_uninitialized_subregs.
3568 * function.c (instantiate_virtual_regs): Make it static.
3569 * function.h: Remove the prototype for
3570 instantiate_virtual_regs.
3572 * regmove.c (regmove_optimize, combine_stack_adjustments):
3574 * rtl.h: Remove the prototypes for regmove_optimize and
3575 combine_stack_adjustments.
3577 2006-01-17 Roger Sayle <roger@eyesopen.com>
3579 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3580 (size_cost): Encode costs in bytes so that a reg-reg addition is
3581 equivalent to COSTS_N_INSNS(1).
3582 (override_options): Use the size_cost.branch_cost as the default
3583 ix86_branch_cost when optimizing for size.
3585 2006-01-18 Ben Elliston <bje@au.ibm.com>
3587 * Makefile.in (D32PBIT_FUNCS): New.
3588 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3589 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3590 D64PBIT_FUNCS and D128PBIT_FUNCS.
3591 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3592 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3594 (decnumber_dep): Define.
3595 * doc/libgcc.texi (Decimal float library routines): New node.
3596 * config/dfp-bit.h, config/dfp-bit.c: New files.
3598 2006-01-18 Ben Elliston <bje@au.ibm.com>
3600 * expr.c (emit_move_change_mode): Always adjust addresses, not
3601 just during reload. Copy replacements only during reload.
3602 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3603 emit_move_via_integer.
3605 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3607 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3608 instead of $(srcdir) and ${srcdir}.
3610 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3614 * arm.h (struct machine_function): Add pic_reg.
3615 * arm.c (arm_pic_register): Make unsigned.
3616 (arm_override_options): Only set arm_pic_register if
3617 TARGET_SINGLE_PIC_BASE.
3618 (use_return_insn): Only test for a pic register if it is fixed.
3619 (arm_compute_save_reg0_reg12_mask): Likewise.
3620 (thumb_compute_save_reg_mask): Likewise.
3621 (legitimate_pic_operand): Factor out some known invariants.
3622 (legitimize_pic_address): If we don't have a fixed pic register,
3623 then set up a pseudo in the function entry sequence. Handle the
3624 pic base being in a pseudo.
3625 (arm_load_pic_register): Handle the pic register being in a pseudo.
3626 (arm_expand_prologue): Only set up the pic register if it is fixed.
3627 (thumb_expand_prologue): Likewise.
3628 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3629 (pic_load_addr_based_insn): Likewise.
3630 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3633 2006-01-18 Ben Elliston <bje@au.ibm.com>
3635 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3636 decimal float modes for all floating point registers.
3638 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3639 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3641 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3644 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3645 even when the pointer is not NULL.
3647 2006-01-16 Ian Lance Taylor <ian@airs.com>
3649 * common.opt (ftoplevel-reorder): New option.
3650 * cgraph.c (cgraph_asm_nodes): New global variable.
3651 (cgraph_asm_last_node): New static variable.
3652 (cgraph_order): New global variable.
3653 (cgraph_create_node): Set new order field.
3654 (cgraph_varpool_node): Likewise.
3655 (decide_is_variable_needed): Return true if not
3656 flag_toplevel_reorder.
3657 (cgraph_add_asm_node): New function.
3658 * cgraph.h (struct cgraph_node): Add order field.
3659 (struct cgraph_varpool_node): Add order field.
3660 (struct cgraph_asm_node): Define.
3661 (cgraph_asm_nodes, cgraph_order): Declare.
3662 (cgraph_add_asm_node): Declare.
3663 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3665 (cgraph_varpool_assemble_pending_decls): Call it.
3666 (cgraph_output_pending_asms): New static function.
3667 (cgraph_finalize_compilation_unit): Call it.
3668 (struct cgraph_order_sort): Define.
3669 (cgraph_output_in_order): New static function.
3670 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3671 !flag_toplevel_reorder case.
3672 * c-parser.c: Include "cgraph.h".
3673 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3675 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3676 than -fno-unit-at-a-time.
3677 * doc/invoke.texi (Option Summary): Mention
3678 -fno-toplevel-reorder.
3679 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3680 -funit-at-a-time documentation.
3682 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3683 Kazu Hirata <kazu@codesourcery.com>
3685 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3687 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3689 * Makefile.in (FUNCTION_H): New. Use it instead of
3690 function.h throughout the file.
3691 * function.h: Include tree.h.
3693 2006-01-17 Ben Elliston <bje@au.ibm.com>
3695 * recog.c: Separate some functions with whitespace.
3697 2006-01-16 Richard Henderson <rth@redhat.com>
3699 Merge from gomp branch:
3700 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3701 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3702 and rename from struct inline_data. Rename callee* to dst*;
3703 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3704 transform_new_cfg, transform_return_to_modify, and
3705 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3707 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3708 (copy_decl_for_dup): Remove.
3709 * tree-inline.c (struct inline_data): Move to header.
3710 (insert_decl_map): Export.
3711 (remap_decl): Update for member name changes. Use copy_decl hook.
3712 Allow for replacement to be a non-decl. Remove dead code.
3713 (remap_type_1): Check for existing mapping.
3714 (remap_type): Export.
3715 (remap_decls): Update for member name changes.
3716 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3717 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3718 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3719 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3720 (tree_function_versioning, build_duplicate_type): Likewise.
3721 (copy_body_r): Likewise. Export.
3722 (copy_decl_for_dup): Split into ...
3723 (copy_decl_for_dup_finish, copy_decl_to_var,
3724 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3725 (replace_ref_tree, inlining_p): Remove.
3727 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3729 * ifcvt.c (if_convert): Make it static.
3730 * rtl.h: Remove the prototype for if_convert.
3732 * local-alloc.c (local_alloc): Make it static.
3733 * rtl.h: Remove the prototype for local_alloc.
3735 * loop.c (loop_optimize): Make it static.
3736 * cfgloop.h: Remove the prototype for loop_optimize.
3739 2006-01-16 DJ Delorie <dj@redhat.com>
3741 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3744 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3746 * pa.md: Disparage copies between general and floating-point registers
3747 in 32-bit move patterns.
3749 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3752 * Makefile.in (check-%): Depend on site.exp instead of
3753 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3756 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3758 * global.c (global_alloc): Make it static.
3759 * rtl.h: Remove the prototype for global_alloc.
3761 2006-01-16 Richard Guenther <rguenther@suse.de>
3763 * tree-ssa-alias.c (struct used_part): Add write_only field.
3764 (get_or_create_used_part_for): Initialize it to true.
3765 (create_overlap_variables_for): Don't create structure variables
3766 for structures that only are written to.
3767 (find_used_portions): Handle MODIFY_EXPR to track whether a
3768 structure is only written to.
3770 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3772 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3774 * basic-block.h: Remove the prototype for
3775 partition_hot_cold_basic_blocks.
3777 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3779 * cppspec.c (lang_specific_spec_functions): Remove.
3780 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3781 * gcc.h (lang_specific_spec_functions): Remove.
3782 * gccspec.c (lang_specific_spec_functions): Remove.
3784 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3786 * combine.c (record_value_for_reg): Invalidate registers
3788 (record_dead_and_set_regs_1): Likewise, by passing them to
3789 record_value_for_reg.
3790 (record_dead_and_set_regs): Invalidate stores made by a
3791 call. We do not combine across a call, but we still
3792 relied on equivalences.
3794 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3796 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3797 vrp_int_const_binop returning non-constant nodes.
3799 2006-01-16 Paul Brook <paul@codesourcery.com>
3801 * config/m68k/m68k.c (output_move_const_into_data_reg):
3802 Output correct mnemonic for mvz and mvs.
3804 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3806 * rtl-factoring.c: Add sequence abstraction algorithm.
3807 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3808 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3810 (block_has_preserve_label): New function.
3811 * common.opt: Register new pass.
3812 * Makefile.in: Ditto.
3814 * timevar.def: Ditto.
3815 * tree-pass.h: Ditto.
3816 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3817 * rtl.h (make_jump_insn_raw): Add forward decl.
3818 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3820 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3821 Roger Sayle <roger@eyesopen.com>
3823 * fold-const.c (fold_minmax): New static function.
3824 (fold_binary) <MIN_EXPR>: Call it.
3825 <MAX_EXPR>: Likewise.
3826 * stor-layout.c (place_field): Use DECL_SIZE consistently
3827 in the computation of the new record size.
3829 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3831 * cse.c (cse_condition_code_reg): Make it static.
3832 * rtl.h: Remove the prototype for cse_condition_code_reg.
3834 * combine.c (combine_instructions): Make it static.
3835 * rtl.h: Remove the prototype for combine_instructions.
3837 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3840 * tree.c (get_file_function_name_long): Concatenate the first global
3841 object name with a string derived from the input filename of the object
3844 2006-01-16 Ben Elliston <bje@au.ibm.com>
3846 * config/i386/winnt-stubs.c: Update FSF address.
3847 * config/xtensa/ieee754-df.S: Ditto.
3848 * config/xtensa/ieee754-sf.S: Ditto.
3850 2006-01-14 Ian Lance Taylor <ian@airs.com>
3852 * ifcvt.c (noce_init_if_info): New static function, broken out of
3853 noce_process_if_block.
3854 (noce_process_if_block): Call noce_init_if_info.
3855 (check_cond_move_block): New static function.
3856 (cond_move_process_if_block): New static function.
3857 (process_if_block): Call cond_move_process_if_block.
3859 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3861 * cselib.c (hash_table): Rename to cselib_hash_table.
3862 (cselib_clear_table, discard_useless_values,
3863 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3864 cselib_init, cselib_finish): Adjust uses of hash_table.
3866 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3868 PR tree-optimization/25485
3869 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3870 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3871 is known to be false and true, respectively.
3873 2006-01-14 Richard Guenther <rguenther@suse.de>
3875 PR tree-optimization/22548
3876 PR tree-optimization/22555
3877 PR tree-optimization/22501
3878 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3879 * params.def (salias-max-array-elements): New parameter.
3880 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3881 * doc/invoke.texi (salias-max-array-elements): Document.
3882 * tree-flow-inline.h (var_can_have_subvars): We also handle
3884 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3886 * tree-ssa-structalias.c (params.h): Include.
3887 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3888 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3889 (get_constraint_for): For ADDR_EXPR operating on something
3890 containing an ARRAY_REF, add all subvars to the solution.
3891 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3892 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3893 for creating MUST_DEFs.
3894 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3896 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3898 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3900 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3901 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3902 number_of_iterations_le): New functions.
3903 (number_of_iterations_special): Removed.
3904 (number_of_iterations_exit): Do not use number_of_iterations_special.
3905 * tree.c (unsigned_type_for): Always return integer type.
3907 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3908 Richard Guenther <rguenther@suse.de>
3910 PR rtl-optimization/24257
3911 * gcse.c (find_moveable_store): Only consider a store movable
3912 when the SET_SRC of the insn can be assigned to a register.
3914 2006-01-14 Ian Lance Taylor <ian@airs.com>
3916 * tree.c (tree_not_class_check_failed): New function.
3917 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3918 (tree_not_class_check_failed): Declare.
3920 2006-01-13 Ian Lance Taylor <ian@airs.com>
3922 * reload1.c (do_output_reload): Add assertion rejecting a
3925 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3927 * combine.c (struct reg_stat): Add new fields truncation_label and
3929 (record_value_for_reg): Reset truncated_to_mode.
3930 (record_truncated_value): New function.
3931 (check_promoted_subreg): Call it. Rename to check_conversions.
3932 (combine_instructions): Rename check_promoted_subreg to
3934 (reg_truncated_to_mode): New function.
3935 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3936 (gen_lowpart_or_truncate): New function.
3937 (force_to_mode): Use it instead of gen_lowpart.
3939 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3941 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3942 VAR is a tag, not its type tag.
3944 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3946 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3947 alternatives to match style of other entries.
3948 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3950 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3952 PR tree-optimization/25771
3953 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3956 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3959 * tree-inline.c (declare_return_variable): If the return variable
3960 was marked as a non gimple complex, set the return slot variable
3961 to be a non gimple comple variable.
3963 2006-01-13 Richard Guenther <rguenther@suse.de>
3965 * builtins.c (expand_builtin_sincos): New function.
3966 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3968 (expand_builtin): Expand sincos using expand_builtin_sincos.
3970 2006-01-12 DJ Delorie <dj@redhat.com>
3972 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3973 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3974 so that constant shifts can be split.
3975 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3976 (m32c_valid_pointer_mode): Make static.
3977 (shift_gen_func_for): New.
3978 (m32c_prepare_shift): Use it. Split large const shifts into
3980 * config/m32c/predicates.md (shiftcount_operand): Allow more
3982 (longshiftcount_operand): New.
3983 * doc/md.texi (Machine Constraints): Document In6.
3985 2006-01-13 Ben Elliston <bje@au.ibm.com>
3987 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3988 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3991 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3993 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3994 to try to avoid clobbering pieces of structures when we know
3995 something about the whole structure.
3996 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3998 2006-01-13 Ben Elliston <bje@au.ibm.com>
4000 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4001 return in memory, as this is no limitation is no longer present.
4003 2006-01-12 DJ Delorie <dj@redhat.com>
4005 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4006 mova with fb, and for fb+0 -> An.
4008 * config/m32c/mov.md (peephole2): Fix enabling logic.
4010 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4011 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4012 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4013 FINI_ARRAY_SECTION_ASM_OP): Define.
4015 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4017 (m32c_legitimize_reload_address): New logic to reload FB to An.
4018 (m32c_output_reg_push): Add newline.
4019 (m32c_output_reg_pop): Likewise.
4021 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4023 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4025 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4027 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4029 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4031 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4034 2006-01-11 Ben Elliston <bje@au.ibm.com>
4036 * rtlanal.c (find_reg_note): Assert insn is not null.
4038 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4040 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4043 2006-01-11 Jeff Law <law@redhat.com>
4045 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4047 (mark_threaded_blocks, register_jump_thread): New functions.
4048 (thread_through_all_blocks): Remove unwanted argument. No
4049 longer rely on e->aux to communicate thread target info.
4050 Call mark_threaded_blocks. Release the threaded_blocks
4051 bitmap and threaded_edges vector when complete.
4052 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4053 (threaded_blocks): Remove.
4054 (tree_ssa_dominator_optimize): Remove initialization and
4055 finalization of threaded_blocks. Simplify call to
4056 thread_through_all_blocks.
4057 (thread_across_edge): Call register_jump_thread rather than
4058 storing thread information into e->aux.
4059 (free_all_edge_infos): Simplify now that e->aux is no longer
4060 used to communicate with thread_through_all_blocks.
4061 * tree-flow.h (thread_through_all_blocks): Update prototype.
4062 (register_jump_thread): Prototype.
4064 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4066 * df-core.c (df_compact_blocks, df_bb_replace): Use
4067 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4069 2006-01-11 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/25734
4072 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4073 stop propagation after successful propagation to the LHS.
4075 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4077 * basic-block.h (control_flow_graph): Change the type of
4078 x_basic_block_info to VEC(basic_block,gc) *.
4079 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4081 (SET_BASIC_BLOCK): New.
4082 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4083 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4084 * cfgbuild.c (find_basic_blocks): Likewise.
4085 * cfglayout.c (fixup_reorder_chain): Likewise.
4086 * cfgrtl.c (create_basic_block_structure,
4087 rtl_create_basic_block): Likewise.
4088 * ifcvt.c (find_if_case_1): Likewise.
4089 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4092 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4094 * Makefile.in: Removed rotted odf.c entry.
4096 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4099 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4100 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4101 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4102 output pattern modifier, not %e.
4103 * config/cris/cris.c (cris_op_str): Update comment about pattern
4105 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4106 before falling through into...
4107 <case 'E'>: Redefined from old 'e' case.
4109 2006-01-11 Jan Hubicka <jh@suse.cz>
4112 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4114 2006-01-11 Jan Hubicka <jh@suse.cz>
4116 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4117 * i386.c (x86_decompose_lea): Kill.
4118 (ix86_rtx_costs): Kill.
4120 2006-01-11 Jan Hubicka <jh@suse.cz>
4122 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4123 * cgraph.h (cgraph_node): Add inline_decl.
4124 (cgraph_insert_node_to_hashtable): Declare.
4125 (save_inline_function_body): Declare.
4126 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4128 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4129 (cgraph_function_versioning): Update call of tree_function_versioning.
4130 (save_inline_function_body): New function.
4131 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4132 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4133 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4134 (cgraph_default_inline_p): Likewise.
4135 (cgraph_decide_inlining_incrementally): Likewise.
4136 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4137 (copy_bb): Kill saving; do updating of clones.
4138 (copy_cfg_body): Kill saving.
4139 (initialize_inlined-parameters): Likewise.
4140 (expand_call_inline): Likewise.
4142 (tree_function_versioning): New parameter "update_clones".
4143 (inlining_p): Kill saving.
4144 * tree-inline.h (tree_function_versioning): Update prototype.
4145 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4148 2006-01-11 Ian Lance Taylor <ian@airs.com>
4150 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4151 Allow undoing set of machine mode.
4152 (do_SUBST): Use enums instead of is_int.
4153 (do_SUBST_MODE): New function.
4154 (SUBST_MODE): New macro.
4155 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4156 reg and trying to replace reg_regno_rtx with a new register.
4157 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4158 (simplify_set): Use SUBST_MODE.
4159 (distribute_notes): Remove code that tried to update reg notes
4160 for regno_reg_rtx changes.
4162 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4164 PR tree-optimization/23109
4165 PR tree-optimization/23948
4166 PR tree-optimization/24123
4168 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4169 * tree-cfg.c (single_noncomplex_succ): New.
4170 * tree-flow.h (single_noncomplex_succ): Declare it.
4171 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4172 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4173 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4174 insert_bb, register_division_in, insert_reciprocals,
4175 replace_reciprocal, free_bb): New.
4176 (execute_cse_reciprocals_1): Rewritten.
4177 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4178 Do not commit any edge insertion. Always compute dominators and
4179 create the allocation pool.
4180 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4181 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4182 * targhooks.c (default_min_divistions_for_recip_mul): New.
4183 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4184 * passes.c (init_optimization_passes): Run recip after tree loop
4186 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4188 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4189 Kenneth Zadeck <zadeck@naturalbridge.com>
4191 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4192 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4193 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4194 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4195 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4196 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4197 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4198 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4199 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4200 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4201 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4202 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4203 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4204 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4205 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4206 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4207 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4208 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4209 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4210 DF_SCAN_POST_ALLOC): New macros.
4211 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4212 df_free_bb_function, df_local_compute_function, df_init_function,
4213 df_dataflow_function, df_confluence_function_0,
4214 df_confluence_function_n, df_transfer_function,
4215 df_finalizer_function, df_free_function, df_dump_problem_function,
4216 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4217 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4218 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4219 df_urec_bb_info, ) New types.
4220 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4222 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4223 df_analyze_simple_change_some_blocks,
4224 df_analyze_simple_change_one_block, df_compact_blocks,
4225 df_bb_replace, df_bb_regno_last_use_find,
4226 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4227 df_insn_regno_def_p, df_find_def, df_find_use,
4228 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4229 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4230 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4231 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4232 debug_df_chain, df_get_dependent_problem, df_chain_create,
4233 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4234 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4235 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4236 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4237 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4238 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4239 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4240 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4241 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4242 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4243 df_reorganize_refs, df_set_state, df_hard_reg_init,
4244 df_read_modify_subreg_p) New public functions.
4245 * df-core.c: The core dataflow solver and glue routines for rtl
4247 (df_init, df_add_problem, df_set_blocks, df_finish,
4248 df_hybrid_search_forward, df_hybrid_search_backward,
4249 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4250 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4251 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4252 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4253 df_reg_defined, df_find_use, df_reg_used, df_dump,
4254 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4255 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4256 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4257 debug_df_useno, reset_df_after_reload): New functions.
4258 * df-scan.c: The scanning fuctions, once in df.c, completely
4259 rewritten so that they now fully model the functionality of
4260 register usage at the backend.
4261 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4262 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4263 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4264 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4265 df_get_artificial_defs, df_get_artificial_uses,
4266 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4267 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4268 df_refs_delete, df_reorganize_refs, df_set_state,
4269 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4270 df_def_record_1, df_defs_record, df_uses_record,
4271 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4272 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4273 df_record_exit_block_uses, df_hard_reg_init): New functions.
4275 * df-problems.c: Seven concrete dataflow problems that use the
4276 scanning in df-scan.c and are solved by the engine in df-core.c.
4277 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4278 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4279 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4280 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4281 df_ru_free_bb_info, df_ru_alloc,
4282 df_ru_bb_local_compute_process_def,
4283 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4284 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4285 df_ru_transfer_function, df_ru_free, df_ru_dump,
4286 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4287 df_rd_free_bb_info, df_rd_alloc,
4288 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4289 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4290 df_rd_transfer_function, df_rd_free, df_rd_dump,
4291 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4292 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4293 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4294 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4295 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4296 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4297 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4298 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4299 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4300 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4301 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4302 df_urec_mark_reg_use_for_earlyclobber,
4303 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4304 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4305 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4306 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4307 df_chain_create_bb_process_use, df_chain_create_bb,
4308 df_chain_finalize, df_chain_free, df_chains_dump,
4309 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4310 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4311 df_reg_lifetime): New functions.
4312 * df.c: Deleted file.
4313 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4314 consistent with new df api.
4315 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4316 rest_of_handle_sms): Ditto.
4317 * web.c (unionfind_union, union_defs, entry_register, web_main):
4319 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4320 invariant_expr_equal_p, find_defs, check_dependencies,
4321 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4322 free_inv_motion_data, move_loop_invariants): Ditto.
4323 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4324 Update dependencies.
4325 (odf.c): Added defective entry that was deleted later in day.
4326 * sched-deps.c (sched_analyze_1): Ditto.
4328 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4330 * tree-ssa-operands.c (get_expr_operands): Record addressable
4331 variables directly. Do not call add_stmt_operands for CONST_DECLs
4333 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4334 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4336 2006-01-11 Ben Elliston <bje@au.ibm.com>
4338 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4339 function returns true in the positive case.
4341 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4344 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4345 for SI, DI, SF and DF modes. Add alternatives to copy between
4346 general and floating point registers to the 32-bit patterns.
4347 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4348 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4349 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4350 generating 64-bit code.
4351 * config/pa/pa.c (output_move_double): Handle copies between general
4352 and floating registers.
4354 2006-01-10 Stuart Hastings <stuart@apple.com>
4356 * config/i386/i386.md (set_got): Update.
4357 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4358 (builtin_setjmp_receiver): Mach-O support.
4359 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4360 (GOT_SYMBOL_NAME): Define.
4361 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4362 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4363 * config/i386/i386.c (override_options): Revise for Darwin.
4364 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4365 support. (darwin_x86_file_end): New. (output_set_got): Add label
4366 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4367 * config/i386/i386-protos.h (output_set_got): Likewise.
4368 * config/darwin.c (machopic_legitimize_pic_address): Update
4371 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4373 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4374 when MODE isn't BLKmode.
4376 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4378 PR rtl-optimization/25367
4379 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4381 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4384 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4385 for a negative bound.
4387 2006-01-10 Richard Guenther <rguenther@suse.de>
4389 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4390 Never override with anything constraint.
4392 2006-01-10 Jan Beulich <jbeulich@novell.com>
4394 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4395 256 bits when optimize_size.
4397 2006-01-10 Jan Beulich <jbeulich@novell.com>
4399 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4401 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4402 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4405 2006-01-10 Ben Elliston <bje@au.ibm.com>
4407 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4409 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4410 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4411 (USE_FP_FOR_ARG): Reject decimal float modes.
4412 (function_arg_advance): Likewise.
4413 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4414 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4415 point types in AltiVec vectors.
4416 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4417 (rs6000_libcall_value): Likewise.
4419 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4421 * config/xtensa/ieee754-df.S: New file.
4422 * config/xtensa/ieee754-sf.S: New file.
4423 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4424 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4425 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4427 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4429 * config/sh/predicates.md (binary_float_operator,
4430 binary_logical_operator, commutative_float_operator,
4431 equality_comparison_operator, greater_comparison_operator,
4432 less_comparison_operator, logical_operator,
4433 noncommutative_float_operator, shift_operator,
4434 symbol_ref_operand, unary_float_operator): Remove redundant
4437 2006-01-09 Jeff Law <law@redhat.com>
4439 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4440 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4441 now unused arguments. Callers updated.
4442 (eliminate_redundant_computations): Remove now unused arguments,
4444 (local_fold): Remove, no longer used.
4445 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4447 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4448 (simplify_cond): New function.
4449 (forward_propagate_into_cond): Call simplify_cond.
4451 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4453 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4454 (*vec_extractv2di_1_sse): New.
4456 2006-01-09 Ben Elliston <bje@au.ibm.com>
4458 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4460 2006-01-08 Richard Guenther <rguenther@suse.de>
4462 * tree-ssa-structalias.c (get_constraint_for): Remove
4464 (get_constraint_for_component_ref): Likewise.
4465 (do_deref): Likewise.
4466 (get_constraint_for): Likewise.
4467 (do_structure_copy): Likewise.
4468 (handle_ptr_arith): Likewise.
4469 (find_func_aliases): Likewise. Remove unused need_anyoffset
4472 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4473 Kaz Kojima <kkojima@gcc.gnu.org>
4475 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4476 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4477 (EXTRA_CONSTRAINT_C16): Remove.
4478 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4479 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4480 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4481 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4482 constants of SHmedia. Handle nested constant expressions of
4484 (andcosts): Fix the costs for SHmedia constants.
4485 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4486 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4487 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4488 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4489 (movv4hi_i, movv2si_i): Likewise.
4490 (movsi_const): Adjust the second operand of ior so to match with
4492 (movdi_const, movdi_const_32bit): Likewise.
4493 (movdi_const_16bit+1): Don't sign-extend LOW.
4494 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4496 (*double_shori): Fix the split condition. Use GEN_INT instead
4497 of get_int_mode calls. Mask lower 16-bit of the argument of
4499 (sym2GOTPLT): Remove.
4500 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4502 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4503 instead of EXTRA_CONSTRAINT_C16.
4505 2006-01-07 Ian Lance Taylor <ian@airs.com>
4506 David Edelsohn <edelsohn@gnu.org>
4508 PR rtl-optimization/25662
4509 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4510 for constant operands instead of simplify_gen_binary.
4511 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4512 after trying simplify_binary_operation
4514 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4516 * tree.c (iterative_hash_expr): Hash decls based on UID.
4518 2006-01-06 Eric Christopher <echristo@apple.com>
4520 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4521 (TARGET_UNWIND_EMIT): Fix spelling.
4522 * target.h (gcc_target): Add except_table_label.
4523 * except.c (output_function_exception_table): Use.
4524 * varasm.c (default_emit_except_table_label): New.
4525 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4527 (asm_out): Add here.
4528 * output.h (default_emit_except_table_label): Prototype.
4529 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4530 * config/darwin.c (darwin_emit_except_table_label): Define.
4531 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4533 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4535 PR tree-optimization/18527
4536 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4537 number_of_iterations_special, number_of_iterations_exit):
4538 Move base and step of an iv to a single structure. Add
4539 no_overflow flag, and use it in # of iterations analysis.
4540 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4541 folded_casts argument.
4542 (simple_iv): Pass base and step in a structure. Set no_overflow
4544 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4545 Evaluate expensiveness of computing # of iterations instead of
4546 the final expression.
4547 * tree-scalar-evolution.h (affine_iv): New structure.
4548 (simple_iv): Declaration changed.
4549 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4550 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4551 find_givs_in_stmt): Changed due to simple_iv change.
4553 2006-01-06 Jeff Law <law@redhat.com>
4556 * tree-cfg.c (bsi_replace): Rename final argument from
4557 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4558 change (stmt -> orig_stmt).
4559 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4560 (bsi_remove): Add new argument. Remove EH information
4562 (verify_eh_throw_table_statements): New function.
4563 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4565 * tree-optimize.c (execute_free_cfg_annotations): Verify
4566 the EH throw statement table after removing annotations.
4567 * except.h (verify_eh_throw_table_statements): Prototype.
4568 * tree-flow.h (bsi_remove): Update prototype.
4569 * tree-vrp.c (remove_range_assertions): Add new argument to
4571 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4572 * tree-complex.c (expand_complex_div_wide): Likewise.
4573 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4574 * tree-tailcall.c (eliminate_tailcall): Likewise.
4575 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4576 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4577 * tree-nrv.c (tree_nrv): Likewise.
4578 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4579 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4580 (combine_blocks): Likewise.
4581 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4582 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4583 (cleanup_control_flow): Likewise.
4584 (remove_forwarder_block): Likewise.
4585 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4586 * tree-sra.c (sra_replace): Likewise.
4587 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4588 (forward_propagate_single_use_vars): Likewise.
4589 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4590 * tree-inline.c (expand_call_inline): Likewise.
4591 * tree-vect-transform.c (vect_transform_loop): Likewise.
4592 * tree-outof-ssa.c (rewrite_trees): Likewise.
4593 * tree-cfg.c (make_goto_expr_edges): Likewise.
4594 (cleanup_dead_labels): Likewise.
4595 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4596 (bsi_move_before, bsi_move_after): Likewise.
4597 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4598 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4600 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4603 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4605 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4606 on non gimple variables. Also add checks at the top for decls and
4608 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4610 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4611 and IMAGPART_EXPR for creating MUST_DEFs.
4612 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4613 and NAME_MEMORY_TAG separately from the DECLs.
4615 2006-01-06 Richard Guenther <rguenther@suse.de>
4617 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4618 annotation, if necessary.
4619 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4620 redundant calls to update_stmt.
4621 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4624 2006-01-05 Richard Henderson <rth@redhat.com>
4626 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4628 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4630 * c-typeck.c: Update copyright date.
4632 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4634 * c-typeck.c (build_c_cast): Always warn when casting
4635 from a pointer to an integer of different size, even if
4636 the node was constant.
4638 2006-01-05 Richard Guenther <rguenther@suse.de>
4640 PR tree-optimization/22555
4641 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4642 if one structure field is an array.
4643 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4644 operands even if we found a subvar, but ignore VOPs in this
4646 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4648 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4650 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4653 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4655 2006-01-05 Richard Guenther <rguenther@suse.de>
4656 Diego Novillo <dnovillo@redhat.com>
4658 * tree-pass.h (TODO_remove_unused_locals): Define.
4659 * gimple-low.c (expand_var_p, remove_useless_vars,
4660 pass_remove_useless_vars): Remove. Update all users.
4661 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4662 (remove_unused_locals): New function.
4663 * tree-flow.h (remove_unused_locals): Declare.
4664 * passes.c (execute_todo): Call remove_unused_locals if
4665 TODO_remove_unused_locals is set.
4666 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4667 * tree-ssa-dce.c (pass_dce): Likewise.
4668 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4670 2006-01-05 Richard Guenther <rguenther@suse.de>
4672 * tree-flow.h (struct fieldoff): Decompose field to
4673 type, size and decl.
4674 * tree-ssa-alias.c (create_sft): Take type as parameter.
4675 (create_overlap_variables_for): Store type, size and decl
4676 in the fieldoff structure.
4677 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4679 (push_fields_onto_fieldstack): Likewise.
4680 (create_variable_info_for): Likewise. Use offset for the
4681 SFT name if the decl is not available.
4683 2006-01-04 Paul Brook <paul@codesourcery.com>
4685 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4687 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4689 * lambda-code.c (can_put_in_inner_loop): Relax
4691 (can_put_after_inner_loop): New function.
4692 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4693 (perfect_nestify): Change to make copies and modify uses.
4695 2006-01-04 Richard Henderson <rth@redhat.com>
4697 Merge from gomp branch:
4698 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4699 via integer constant.
4700 (pragma_lex): Remove.
4701 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4702 rather than parsing it.
4703 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4704 handle_pragma_extern_prefix): Add %< %> quotes.
4705 (registered_pragmas): New.
4706 (c_register_pragma_1): New.
4707 (c_register_pragma): Use it.
4708 (c_register_pragma_with_expansion): Likewise.
4709 (c_invoke_pragma_handler): New.
4710 (init_pragma): Use cpp_register_deferred_pragma directly for
4712 * c-pragma.h (enum pragma_kind): New.
4713 (pragma_handler): New.
4714 (c_invoke_pragma_handler): Declare.
4715 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4717 * c-common.h (c_common_pch_pragma): Update decl.
4718 * Makefile.in (c-parser.o): Update dependencies.
4719 (GTFILES): Add c-pragma.h.
4720 * c-parser.c (struct c_token): Add pragma_kind.
4721 (struct c_parser): Add in_pragma.
4722 (c_lex_one_token): Always initialize keyword and pragma_kind.
4723 Extract data for CPP_PRAGMA.
4724 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4725 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4726 Don't allow CPP_PRAGMA_EOL if in_pragma.
4727 (c_parser_consume_pragma): New.
4728 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4729 (c_parser_skip_to_end_of_parameter): Likewise.
4730 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4731 (c_parser_skip_to_pragma_eol): New.
4732 (c_parser_external_declaration): Handle CPP_PRAGMA.
4733 (c_parser_compound_statement_nostart): Likewise.
4734 (c_parser_statement_after_labels): Likewise.
4735 (c_parser_pragma): New.
4736 (pragma_lex): Likewise.
4737 (c_parser_pragma_pch_preprocess): New.
4738 (c_parser_new): Merge into ...
4739 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4741 2006-01-04 Jeff Law <law@redhat.com>
4744 * tree-cfg.c (bsi_replace): Remove the original statement
4745 from the EH throw statement table.
4747 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4749 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4750 make the prototype extern "C" and add throw ().
4753 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4754 and pos non-negative and pos + len <= 32.
4755 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4756 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4757 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4760 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4761 as well as sizes not multiple of component size.
4764 * function.c (instantiate_expr): New function.
4765 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4766 walk its DECL_VALUE_EXPR with instantiate_expr.
4768 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4769 DW_OP_deref{,_size} if address isn't going to be added.
4771 2006-01-04 Ben Elliston <bje@au.ibm.com>
4773 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4774 * config/fp-bit.c: Likewise.
4776 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4778 * dominance.c: Add comment about why we use DFS numbering
4781 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4782 Richard Henderson <rth@redhat.com>
4784 Merge from gomp-branch:
4785 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4786 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4788 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4790 PR rtl-optimization/25578
4791 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4792 pass a parameter to simplify_shift_const if changing ASHIFTRT
4795 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4797 * builtins.c (get_builtin_sync_mem): New function.
4798 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4799 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4800 Call get_builtin_sync_mem to generate mem rtx.
4802 2006-01-03 Richard Guenther <rguenther@suse.de>
4805 * stmt.c (add_case_node): Make sure to clear overflow flags
4808 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4810 Merge from gomp-branch.
4811 * config/sparc/sync.md: New file.
4812 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4813 UNSPECV_LDSTUB): New constants.
4814 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4815 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4816 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4819 2006-01-03 Roger Sayle <roger@eyesopen.com>
4821 * combine.c (reg_subword_p): New predicate to test whether the
4822 destination of a set refers to a subword/piece of a register.
4823 (try_combine): Generalize the code to merge the setting of a
4824 pseudo to a constant followed by a set of a subword of that
4825 register to a constant.
4827 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4829 * basic-block.h (control_flow_graph): Change the type of
4830 x_label_to_block_map to VEC(basic_block,gc) *.
4831 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4832 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4834 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4835 VEC(basic_block,heap) *.
4836 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4837 ssa_prop_fini): Adjust the uses of cfg_blocks.
4839 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4841 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4843 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4844 hashing trees instead of a pointer hash.
4845 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4846 compare for MEM_EXPR.
4848 PR rtl-optimization/25130
4849 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4850 when comparing MEMs for GCSE
4852 2006-01-03 Ben Elliston <bje@au.ibm.com>
4854 * targhooks.h (default_decimal_float_supported_p): Declare.
4855 * targhooks.c (default_decimal_float_supported_p): Define.
4856 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4857 `default_decimal_float_supported_p'.
4858 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4860 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4862 * combine.c (apply_distributive_law <SUBREG>): Check
4863 TRULY_NOOP_TRUNCATION.
4865 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4867 * dwarf2out.c (have_switched_text_section): Delete.
4868 (have_multiple_function_sections): New.
4869 (have_location_lists): Make 'bool'.
4870 (add_AT_loc_list): Use 'true' not '1'.
4871 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4872 (output_loc_list): Use have_multiple_function_sections.
4873 (output_ranges): Likewise.
4874 (dwarf2out_begin_function): Set have_multiple_function_sections if
4876 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4877 Check function_section rather than DECL_SECTION_NAME.
4878 (dwarf2out_finish): Use have_multiple_function_sections.
4879 Don't clear have_location_lists.
4881 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4882 Jan Hubicka <jh@suse.cz>
4884 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4885 case of conditional jump jumping to the next instruction.
4886 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4887 cases of conditional jump jumping to the next instruction.
4889 2006-01-02 Jan Hubicka <jh@suse.cz>
4891 * i386.c (*_cost): Add COSTS_N_INSNS.
4892 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4894 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4897 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4899 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4901 * config/arm/arm.c (all_fpus): Fix comment typo.
4902 * config/darwin.c: Likewise.
4903 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4904 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4905 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4907 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4909 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4910 (rs6000_split_compare_and_swapqhi): New.
4911 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4912 (sync_compare_and_swapqhi_internal): New.
4913 * config/rs6000/rs6000-protos.h: Declare.