1 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8 PR rtl-optimization/26296
9 * Makefile.in (loop-invariant.c): Add except.h dependency.
10 * loop-invariant.c: Include except.h.
11 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13 2005-02-16 Paul Brook <paul@codesourcery.com>
15 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
20 PR rtl-optimization/25636
21 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
22 when deciding whether an insn is an initializing insn.
24 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
26 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
27 (tree_code_size): Ditto.
28 * tree.h (struct tree_memory_tag): Remove parent_var.
29 (struct tree_struct_field_tag): New.
32 (union tree_node): Add sft member.
33 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
35 (create_sft): Add size and offset argument, set SFT_OFFSET and
37 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
38 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
39 * tree-flow-inline.h (get_subvar_at): Update for
41 (var_can_have_subvars): Ditto.
42 (overlap_subvar): Ditto.
43 * print-tree.c (print_node): Print out interesting things for
45 * tree-flow.h (struct subvar): Remove offset and size members.
46 * tree-ssa-operands.c (get_expr_operands): Update for
47 get_indirect_ref_operands changes.
48 (get_indirect_ref_operands): Call add_virtual_operand instead of
49 add_stmt_operand. Only recurse on base var if requested.
50 (access_can_touch_variable): New function.
51 (add_stmt_operand): Split virtual operand handling into ...
52 (add_virtual_operand): Here. Add offset, size, and for_clobber
53 arguments. Prune alias sets.
54 (add_call_clobber_ops): Call add_virtual_operand.
56 2006-02-15 Jakub Jelinek <jakub@redhat.com>
59 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
61 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
62 than TREE_CODE as index into omp_clause_num_ops array.
64 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
66 PR rtl-optimization/26184
67 * modulo-sched.c (generate_reg_moves): Free bitmap vector
69 * modulo-sched.c (sms_schedule): Free g_arr pointer.
70 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
71 must_precede, must_follow and tobe_scheduled.
74 * opts.c (common_handle_option): Free new_option pointer.
75 * df-core.c (df_analyze): Free postorder pointer.
77 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
79 * Makefile.in: Fix the examples about the use of stamps
81 2006-02-15 Michael Matz <matz@suse.de>
85 * stor-layout.c (layout_decl): Zero-width bitfields aren't
86 influenced by maximum_field_alignment or DECL_PACKED.
87 (update_alignment_for_field): Ditto.
89 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
92 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
94 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
95 (debug_flow_info): Pass it.
96 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
97 * bb-reorder.c (reorder_basic_blocks): Likewise.
98 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
99 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
100 * flow.c (life_analysis, recompute_reg_usage): Likewise.
101 * gcse.c (gcse_main, bypass_jumps): Likewise.
102 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
103 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
104 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
105 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
106 * rtl.h (dump_flow_info): Adjust prototype.
107 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
108 * var-tracking.c (variable_tracking_main): Likewise.
109 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
110 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
113 2006-02-15 Marcin Dalecki <martin@dalecki.de>
115 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
118 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
120 PR tree-optimization/26209
121 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
122 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
124 * tree-cfg.c (replace_uses_by): Do not alter cfg.
126 2006-02-14 Roger Sayle <roger@eyesopen.com>
129 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
130 (X,Y) and the corresponding symmetry related transformations.
131 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
132 (X,Y) and its symmetry related transformations.
134 2006-02-14 Roger Sayle <roger@eyesopen.com>
136 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
139 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
141 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
143 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
146 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
147 support COMDAT group.
148 * configure: Regenerate.
150 2006-02-14 Roger Sayle <roger@eyesopen.com>
155 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
157 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
159 Fix PR tree-optimization/26260
161 * doc/invoke.texi (max-fields-for-field-sensitive): Document
163 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
164 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
165 * tree-ssa-structalias.c (create_variable_info_for): Use
166 MAX_FIELDS_FOR_FIELD_SENSITIVE.
168 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
170 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
172 * tree-ssa-loop-niter.c (number_of_iterations_ne,
173 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
174 of the ending condition.
175 * tree-ssa-loop-manip.c: Include params.h.
176 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
177 tree_unroll_loop): New functions.
178 * tree-pass.h (pass_loop_prefetch): Declare.
179 * loop.c (rest_of_handle_loop_optimize): Test for
180 -fprefetch-loop-arrays-rtl.
181 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
182 * timevar.def (TV_TREE_PREFETCH): New timevar.
183 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
184 pass_loop_prefetch): New.
185 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
186 (cleanup_tree_cfg_loop): Call scev_reset.
187 * common.opt (fprefetch-loop-arrays-rtl): Add.
188 * tree-ssa-loop-prefetch.c: New file.
189 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
190 (new_temp_expr_table): Initialize expr_vars.
191 (free_temp_expr_table): Cleanup expr_vars.
192 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
193 expressions from being merged into one.
194 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
195 (struct tree_niter_desc): Add control, bound and cmp fields.
196 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
198 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
199 (tree-cfgcleanup.o): Add SCEV_H dependency.
200 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
201 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
203 2006-02-14 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/26258
206 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
207 in PHI argument processing.
209 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
211 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
212 new expression in the requested machine mode.
214 2006-02-13 Roger Sayle <roger@eyesopen.com>
216 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
217 directly, instead let do_compare_rtx_and_jump handle this for us.
218 * expr.c (expand_expr_real_1): Likewise.
219 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
220 before do_jump_by_parts_greater.
221 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
222 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
224 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
226 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
228 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
230 PR rtl-optimization/26235
231 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
232 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
235 2006-02-13 Jeff Law <law@redhat.com>
237 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
240 2006-02-13 Jakub Jelinek <jakub@redhat.com>
243 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
244 twice if decl is a builtin. When trying again, call get_callee_fndecl
245 first to verify it is still a builtin.
247 2006-02-13 Geoffrey Keating <geoffk@apple.com>
249 * dwarf2out.c (base_type_die): Don't add AT_name here.
250 (subrange_type_die): Don't add AT_name here.
251 (modified_type_die): Rearrange code flow. Do add AT_name here.
253 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
255 PR rtl-optimization/26247
256 PR rtl-optimization/26248
257 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
259 2006-02-13 Richard Sandiford <richard@codesourcery.com>
261 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
262 * config/fixtfdi.c: Likewise.
263 * config/fixunstfdi.c: Likewise.
264 * config/floatditf.c: Likewise.
266 2006-02-13 Roger Sayle <roger@eyesopen.com>
269 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
270 into (X,C2) if C1 is a subset of the bits of C2. Transform
271 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
273 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
275 2006-02-13 Josh Conner <jconner@apple.com>
278 * varasm.c (function_section): Check for section name before
279 calling select_section on targets that define
280 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
281 unlikely_text_section instead of hot_function_section if
282 first_function_block_is_cold.
284 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
287 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
289 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
291 PR rtl-optimization/26222
292 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
293 after tree->rtl expansion.
294 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
295 before passing it to emit_move_insn.
297 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
299 * doc/invoke.texi (-Write-strings): Document that it is enabled by
301 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
302 Clarify documentation.
303 * c-common.h (warn_write_strings): Remove.
304 * c-common.c (warn_write_strings): Likewise.
305 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
308 2006-02-12 Roger Sayle <roger@eyesopen.com>
311 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
312 (do_jump_parts_zero_rtx): New function renamed from
313 do_jump_parts_equality_rtx. Made static. Add a mode argument.
314 (do_jump_parts_equality_rtx): New function split out from
315 do_jump_parts_equality. Old implementation renamed as above.
316 Call do_jump_parts_zero_rtx if either operand is zero.
317 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
318 do all of the heavy lifting.
319 (do_compare_rtx_and_jump): Handle multi-word comparisons by
320 calling either do_jump_by_parts_greater_rtx or
321 do_jump_by_parts_equality_rtx.
322 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
323 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
324 moved to do_compare_rtx_and_jump, call it directly.
325 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
326 mode argument. Call do_compare_rtx_and_jump.
327 (emit_case_nodes): Update calls to do_jump_if_equal.
329 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
331 PR rtl-optimization/26225
332 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
334 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
336 PR rtl-optimization/26232
337 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
339 2006-02-11 Jason Merrill <jason@redhat.com>
342 * tree-inline.c (declare_return_variable): Just don't use the
343 modify target if it's a gimple complex reg and the return slot
346 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * doc/contrib.texi: Update my entry.
350 2006-02-10 Geoffrey Keating <geoffk@apple.com>
352 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
354 2006-02-10 Diego Novillo <dnovillo@redhat.com>
356 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
359 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
361 * doc/invoke.texi (-floop-optimize2): Removed.
362 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
363 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
364 Test flag_branch_on_count_reg only if HAVE_doloop_end.
365 * common.opt (floop-optimize2): Removed.
366 (fmove-loop-invariants): Enabled by default.
368 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
370 * tree-if-conv.c (combine_blocks): Free the result of
373 2006-02-10 Jeff Law <law@redhat.com>
375 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
377 PR tree-optimization/26213
378 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
379 loop trying to follow SSA_NAME_VALUE chains.
381 2006-02-10 Richard Guenther <rguenther@suse.de>
383 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
384 deal with structures that end in implicitly variable sized arrays.
386 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
388 PR rtl-optimization/24762
389 * df-scan.c (df_bb_refs_record): Record correct registers defined on
392 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
394 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
395 (struct ivopts_data): Add regs_used field.
396 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
397 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
398 instead of loop_data->regs_used;
399 (free_loop_data): Do not free aux fields for loops.
400 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
401 and tree_ssa_iv_optimize_finalize.
403 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
405 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
407 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
410 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
411 computing the effective result type.
413 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
416 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
417 (tree_overlaps_hard_reg_set): Declare.
418 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
419 type and signature to match function type expected by walk_tree.
420 (tree_overlaps_hard_reg_set): New function.
421 (decl_conflicts_with_clobbers_p): Rename to:
422 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
423 Use tree_overlaps_hard_reg_set. Changed caller.
424 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
425 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
426 * cris.c (cris_md_asm_clobbers): Likewise.
428 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
430 * reload1.c (emit_input_reload_insns): Delete code that tries to
431 inherit using find_equiv_reg.
433 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
435 * c-common.h (flag_const_strings): Don't declare.
436 * c-common.c (flag_const_strings): Remove.
437 * c.opt (fconst_strings): Remove.
438 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
439 <OPT_Wwrite_strings>: Don't set flag_const_strings.
440 (c_common_init_options): Don't set flag_const_strings.
441 * doc/invoke.texi (-fno-const-strings): Remove documentation.
443 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
445 * arm.md (tlobits_cbranch): New pattern.
446 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
447 testing a single bit.
449 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
452 * tree-ssa-pre.c (create_component_ref_by_pieces):
453 Handle RETURN_DECL like VAR_DECL.
455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
458 * fold-const.c (fold_indirect_ref_1): Fold
459 "*(foo *)&complexfoo" to "__real__ complexfoo"
460 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
462 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
464 * tree-flow-inline.h (var_can_have_subvars):
465 Volatile variables should not have subvariables.
467 2006-02-09 Diego Novillo <dnovillo@redhat.com>
470 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
471 multiplying unsigned values.
474 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
476 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
478 2006-02-08 Jason Merrill <jason@redhat.com>
481 * tree.def: Elaborate on difference from MODIFY_EXPR.
482 * doc/c-tree.texi (INIT_EXPR): Likewise.
483 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
484 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
485 (gimplify_target_expr): Likewise.
486 (gimplify_cond_expr): Remove target handling.
487 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
488 (gimplify_expr): Clobber it here.
489 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
490 Do return slot optimization if we have an INIT_EXPR.
493 * tree-inline.c (declare_return_variable): Also clear
494 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
497 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
500 * gimplify.c (gimplify_one_sizepos): Fix typo.
502 2006-02-08 Jeff Law <law@redhat.com>
504 PR tree-optimization/21417
505 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
506 across a backedge if the control statement at the end of the
507 block is data dependent on other statements in the same block.
508 (record_temporary_equivalences_from_stmts): Remove over-conservative
509 test for threading across backedges.
511 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
512 control statement, handle all three special cases in the same
513 manner as they all have the same desired solution. No longer
514 special case edge flag updating when the post dominator is
517 2006-02-08 Roger Sayle <roger@eyesopen.com>
519 * tree.def (CHAR_TYPE): Remove.
520 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
521 * dwarf2out.c (base_type_die, is_base_type): Likewise.
522 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
523 (gen_string_type_die): Delete unreachable function.
525 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
526 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
527 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
528 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
529 * builtins.c (type_to_class): Likewise.
530 * fold-const.c (fold_convert, build_range_check,
531 merge_ranges): Likewise.
532 * expr.c (count_type_elements): Likewise.
533 * c-pretty-print.c (pp_c_type_specifier): Likewise.
534 * stor-layout.c (layout_type): Likewise.
535 * ipa-type-escape.c (type_to_consider): Likewise.
536 * gimplify.c (omp_firstprivatize_type_sizes,
537 gimplify_type_sizes): Likewise.
538 * explow.c (promote_mode): Likewise.
539 * tree-sra.c (is_sra_scalar_type): Likewise.
540 * varasm.c (output_constant): Likewise.
541 * tree-inline.c (remap_type_1): Likewise.
542 * convert.c (convert_to_pointer, convert_to_real,
543 convert_to_integer, convert_to_complex): Likewise.
545 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
547 * df-scan.c (df_def_record_1): A set destination may
548 be a parallel regardless of mode.
550 2006-02-08 Roger Sayle <roger@eyesopen.com>
553 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
554 * config/mips/_tilib.c: Remove.
555 * config/fixtfdi.c: New libgcc source file.
556 * config/fixunstfdi.c: New source file.
557 * config/floatditf.c: New source file.
558 * config/floatunditf.c: New souce file.
559 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
560 files above instead of config/mips/_tilib.c.
561 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
563 2006-02-08 Jeff Law <law@redhat.com>
565 PR tree-optimization/26169
566 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
569 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
571 * df.h (DF_REG_SIZE): Return the length of the initialized
574 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
576 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
577 __muldf3): Return a correctly signed zero.
579 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
581 * passes.c (register_one_dump_file): Accept the current properties
582 instead of pass number. Adjust call to dump_register. Remove
584 (register_dump_files): Now a wrapper around...
585 (register_dump_files_1): ... this one. Do not modify the pass
587 (next_pass_1): Cosmetic fix.
588 (execute_todo): Keep second parameter only. Use curr_properties
589 instead of fetching it from the pass structure. Check and set
591 (execute_one_pass): Handle TODO_set_props. Use curr_properties
592 instead of fetching it from the pass structure. Fix calls to
593 execute_todo. Update curr_properties and initialize .vcg RTL dump
594 after running the pass. Reset last_verified.
595 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
597 (FIRST_AUTO_NUMBERED_DUMP): New.
598 (dump_register): Remove "num" parameter, assign it within the
600 (get_dump_file_name): Modify template for dumps.
601 * tree-dump.h (dump_register): Adjust prototype.
602 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
603 (PROP_trees): Add PROP_gimple_lomp.
604 (TODO_set_props): New.
605 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
606 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
607 * cfgexpand.c (pass_expand): Destroy PROP_trees.
609 2006-02-08 Jakub Jelinek <jakub@redhat.com>
611 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
612 (sparc64-*-linux*): Likewise.
613 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
614 * config/sparc/t-linux: New file.
615 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
616 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
617 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
618 -m32 -mlong-double-128.
620 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
621 * config/alpha/t-linux: New file.
622 * config/alpha/libgcc-alpha-ldbl.ver: New file.
624 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
625 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
626 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
627 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
628 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
629 (CPP_ARCH32_SPEC): Remove.
631 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
633 PR tree-optimization/26145
634 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
637 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
640 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
641 >= 240000 when generating code for SOM runtime.
642 (output_indirect_call): Don't use "b,l" instruction for indirect calls
643 to $$dyncall when generating code for SOM runtime..
645 2006-02-07 Dirk Mueller <dmueller@suse.com>
648 * doc/invoke.texi (-Wsequence-point): Update documentation
649 that -Wsequence-point is implemented for C++ as well.
651 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
653 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
654 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
655 (LIB_SPEC): Likewise.
656 * doc/invoke.texi (SPARC options): Document -pthread.
658 2006-02-07 Geoffrey Keating <geoffk@apple.com>
660 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
663 2006-02-07 Roger Sayle <roger@eyesopen.com>
665 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
666 Correct comment describing BOOLEAN_TYPE.
668 2006-02-07 Dirk Mueller <dmueller@suse.com>
670 * c.opt: C++ frontend supports -Wdiv-by-zero.
671 * c-opts.c (c_common_handle_option): Remove dead case.
673 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
675 * configure.ac (TLS assembler check): Do not enable TLS by
676 default on SPARC/Solaris before version 10.
677 * configure: Regenerate.
679 2006-02-07 David Edelsohn <edelsohn@gnu.org>
681 * doc/invoke.texi (xl-compat): Document conversion and support
684 2006-02-07 Jeff Law <law@redhat.com>
686 * tree-vrp.c (find_conditional_asserts): Update comments.
687 (simplify_stmt_for_jump_threading): New.
688 (identify_jump_threads, finalize_jump_threads): New.
689 (vrp_finalize): Call identify_jump_threads.
690 (execute_vrp): Call finalize_jump_threads.
691 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
692 (vrp_element, vrp_data, vrp_element_p): Remove.
693 (vrp_hash_elt, vrp_variables_stack): Remove.
694 (vrp_hash, vrp_eq, record_range): Remove.
695 (simplify_cond_and_lookup_avail_expr): Remove.
696 (extract_range_from_cond): Remove.
697 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
698 (simplify_stmt_for_jump_threading): New.
699 (dom_thread_across_edge): New wrapper.
700 (tree_ssa_dominator_optimize): No longer initialize or
701 finalize any of the VRP datastructures. Remove iteration
702 step and simplify as a result of removal of iteration step.
703 (pass_dominator): Perform a cfg cleanup after DOM.
704 (dom_opt_finalize_block): Use the new common routines
705 for threading jumps. Simplify stack management slightly.
706 No longer need to unwind VRP state.
707 (record_equivalences_from_incoming_edge): No longer record
709 (eliminate_redundant_computations): No longer call
710 simplify_cond_and_lookup_avail_expr.
711 * tree-flow.h (potentially_threadable_block): Prototype.
712 (thread_across_edge): Likewise.
713 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
714 (tree-ssa-threadedge.o): Add dependencies.
715 * tree-ssa-threadedge.c: New file.
716 * passes.c (init_optimization_passes): Merge PHIs before
717 calling VRP. Run VRP again late in the SSA optimization pipeline.
719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
721 * df-core.c (df_set_blocks): Do not dereference function pointers.
722 (df_finish1): Likewise.
723 (df_hybrid_search_forward): Likewise.
724 (df_hybrid_search_backward): Likewise.
725 (df_iterative_dataflow): Likewise.
726 (df_analyze_problem): Likewise.
727 (df_compact_blocks): Likewise.
729 * df-scan.c (df_rescan_blocks): Likewise.
730 (df_record_entry_block_defs): Likewise.
732 * genconditions.c (write_conditions): Guard the definition of
733 'insn_conditions' with the check on GCC version.
734 (write_writer): Guard the traversal 'insn_conditions' with
735 the check on GCC version.
737 2006-02-07 Richard Guenther <rguenther@suse.de>
741 2006-01-30 Richard Guenther <rguenther@suse.de>
743 * gimplify.c (gimplify_target_expr): Handle easy cases
744 without creating a temporary.
746 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
748 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
749 use of float in probability computations. Use edge probabilities
750 in place of statically computed probabilities.
751 (min_spec_prob): New static variable.
752 (schedule_insns): Initialize it.
753 (GET_SRC_PROB): Removed.
754 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
756 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
759 * config/ia64/unwind-ia64.c: Revert last change.
760 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
761 (INCOMING_FRAME_SP_OFFSET): Define.
763 2006-02-06 Roger Sayle <roger@eyesopen.com>
765 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
767 2006-02-07 Ben Elliston <bje@au.ibm.com>
769 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
770 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
771 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
772 (ix86_return_in_memory): Handle TDmode.
773 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
774 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
776 2006-02-06 Richard Sandiford <richard@codesourcery.com>
778 * reorg.c (dbr_schedule): Use dump_file instead of file.
780 2006-02-06 Steve Ellcey <sje@cup.hp.com>
783 * config/ia64/predicates.md (extr_len_operand): New predicate.
784 * config/ia64/ia64.md (extv): Tighten constraints.
786 (*tbit_and_2): Ditto.
787 (*tbit_and_3): Ditto.
793 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
796 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
798 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
800 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
801 loop_optimizer_init and loop_optimizer_finalize
802 * tree-ssa-sink.c (execute_sink_code): Ditto.
803 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
804 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
805 tree_ssa_loop_done): Ditto.
806 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
807 * sched-ebb.c: Include output.h.
808 (schedule_ebbs): Do not use dump argument.
809 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
810 * loop.c (loop_dump_stream): Removed.
811 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
813 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
814 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
815 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
816 loop_iterations, strength_reduce, record_biv, record_giv,
817 final_giv_value, check_final_value, check_ext_dependent_givs,
818 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
819 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
820 dump_file instead of loop_dump_stream.
821 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
823 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
825 * flow.c (life_analysis, rest_of_handle_life): Ditto.
826 * haifa-sched.c: Include output.h
827 (schedule_insns, sched_init): Do not use dump argument.
828 * mode-switching.c (optimize_mode_switching): Ditto.
829 * modulo-sched.c (stats_file): Removed.
830 (print_node_sched_params): Do not call argument dump_file.
831 (sms_schedule_by_order, loop_canon_p, sms_schedule,
832 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
834 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
836 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
837 rtl_loop_init, rtl_loop_done): Ditto.
838 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
839 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
841 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
842 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
843 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
844 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
845 * emit-rtl.c (renumber_insns): Ditto.
846 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
847 expand_gimple_basic_block, tree_expand_cfg): Ditto.
848 * regclass.c (regclass): Ditto.
849 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
850 remove_ssa_form, rewrite_out_of_ssa): Ditto.
851 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
852 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
854 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
855 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
857 * gcse.c (gcse_file, debug_stderr): Removed.
858 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
859 rest_of_handle_gcse): Do not use dump argument.
860 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
861 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
862 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
863 compute_code_hoist_vbeinout, compute_code_hoist_data,
864 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
865 compute_store_table, build_store_vectors, insert_insn_start_bb,
866 insert_store, remove_reachable_equiv_notes, replace_store_insn,
867 store_motion): Use dump_file instead of gcse_file.
868 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
869 * profile.c (profile_dump_file): Removed.
870 (branch_prob): Use dump_file instead of profile_dump_file.
871 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
873 * tree-ssa-copy.c (dump_copy_of): Ditto.
874 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
875 dump file to life_analysis.
876 * bt-load.c (branch_target_load_optimize): Ditto.
877 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
879 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
880 regclass, dbr_schedule): Declaration changed.
881 * sched-int.h (sched_init): Declaration changed.
882 * tree-profile.c (tree_profile_dump_file): Removed.
883 (tree_profile_hooks): Removed profile_dump_file hook.
884 * rtl-profile (rtl_profile_dump_file): Removed.
885 (rtl_profile_hooks): emoved profile_dump_file hook.
886 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
888 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
889 * tree-cfg.c (build_tree_cfg): Ditto.
890 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
891 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
893 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
894 life_analysis and schedule_insns.
895 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
897 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
899 * config/mips/mips.c (mips_reorg): Ditto.
900 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
903 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
905 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
906 (s390_mangle_fundamental_type): New.
907 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
910 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
911 (alpha_mangle_fundamental_type): New.
912 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
915 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
917 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
919 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
920 (sparc_mangle_fundamental_type): New.
922 2006-02-06 Jakub Jelinek <jakub@redhat.com>
924 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
925 (s390x-*-linux*): Likewise.
926 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
927 * config/s390/t-linux: New file.
929 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
931 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
932 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
934 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
936 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
937 (ANTIC_SAFE_LOADS): New macro.
938 (find_or_generate_expression): Add prototype.
939 (set_contains_value): Allow null set for sake of not always having
940 to allocate ANTIC_SAFE_LOADS.
941 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
942 Allow COMPONENT_REF too.
943 (valid_in_set): Allow COMPONENT_REF.
944 Check ANTIC_SAFE_LOADS too.
945 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
946 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
948 (can_PRE_operation): Add COMPONENT_REF.
949 (create_component_ref_by_pieces): New function.
950 (create_expression_by_pieces): Use create_component_ref_by_pieces.
951 (insert_aux): Move AGGREGATE_TYPE_P check here.
952 (compute_avail): Set bb local stmt uids.
953 (pass_pre): Use TODO_update_ssa_only_virtuals.
955 2006-02-06 Ben Elliston <bje@au.ibm.com>
957 * configure.ac: Unconditionally disable decimal float by default.
958 * configure: Regenerate.
960 2006-02-06 Ben Elliston <bje@au.ibm.com>
962 * read-rtl.c (read_name): Terminate reading on EOF.
964 2006-02-06 Ben Elliston <bje@au.ibm.com>
966 * dfp.c (decimal_real_arithmetic): Change second argument type
967 from int to enum tree_code. Do not always return true, but now
968 return result of any call to decimal_do helper functions.
969 * dfp.h (decimal_real_arithmetic): Update prototype.
971 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
973 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
975 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
978 * tree-cfg.c (cleanup_dead_labels): Also don't remove
981 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
983 * tree-vrp.c (cfg_loops): Removed.
984 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
985 Use current_loops instead of cfg_loops. Pass flags to
987 * cfgloopmanip.c (fix_loop_structure): Update only available
989 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
991 * modulo-sched.c (build_loops_structure): Removed.
992 (sms_schedule): Use loop_optimizer_init.
993 * loop-init.c (loop_optimizer_init): Use flags to determine
994 which properties of loops to prepare.
995 (rtl_loop_init): Pass flags to loop_optimizer_init.
996 * tree-ssa-sink.c (execute_sink_code): Ditto.
997 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
998 * tree-ssa-pre.c (init_pre): Ditto.
999 * cfgloop.h (LOOPS_NORMAL): New.
1000 (loop_optimizer_init): Declaration changed.
1002 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1004 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1005 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1007 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1009 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1011 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1012 * pa/t-pa64: Delete quadlib.c rule.
1013 * pa/x-ada: Revert last change.
1014 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1016 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1018 PR rtl-optimization/26087
1019 * rtlanal.c (canonicalize_condition): Do not cross basic block
1022 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1025 * config/ia64/ia64.c: Include debug.h.
1026 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1027 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1028 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1029 (process_epilogue, process_set, process_for_unwind_directive):
1030 Output unwind info only if requested. Add CFA info if requested.
1031 Add new arguments as needed. Adjust callers.
1032 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1034 (DWARF2_FRAME_INFO): Define to zero.
1035 * config/ia64/unwind-ia64.c: Remove code that compensated for
1036 the CFA offset error fixed above.
1037 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1038 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1039 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1040 -funwind-tables and -fexceptions to enable frame info.
1041 (dwarf2out_frame_init): Define initial CFA even if
1042 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1043 DWARF2_UNWIND_INFO is nonzero, not just defined.
1044 (dwarf2out_frame_finish): Output non-EH call frame info only
1045 if DWARF2_FRAME_INFO is nonzero.
1046 (convert_cfa_to_loc_list,
1047 compute_frame_pointer_to_cfa_displacement): Define even if
1048 unwind info is not supported.
1049 (gen_subprogram_die): Use the above unconditionally. Remove
1050 legacy alternate code.
1051 * toplev.c (compile_file): Compile in call to
1052 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1053 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1055 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1056 Jakub Jelinek <jakub@redhat.com>
1058 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1059 IBM extended float format long double as "g" on powerpc*-linux.
1061 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1064 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1065 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1067 2006-02-03 Jason Merrill <jason@redhat.com>
1070 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1073 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1074 on the return slot if it's an NRV.
1076 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1078 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1079 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1080 rewrite_use): Do not handle USE_OUTER.
1081 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1082 add_iv_outer_candidates, may_replace_final_value,
1083 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1084 (find_interesting_uses_op): Functionality of
1085 find_interesting_uses_outer_or_nonlin moved here.
1086 (find_interesting_uses_outside): Use find_interesting_uses_op.
1088 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1091 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1093 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1094 Ulrich Weigand <uweigand@de.ibm.com>
1097 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1098 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1099 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1100 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1102 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1103 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1104 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1105 Define secondary reloads for TFmode moves.
1106 (constant_modes): Add TFmode.
1107 (NR_C_MODES): Set to 8.
1108 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1110 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1111 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1112 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1113 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1114 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1115 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1116 (FPR mode macro): Add TFmode.
1117 (DSF mode macro): New.
1118 (<de>, <dee> mode attributes): Removed.
1119 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1120 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1121 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1122 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1123 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1124 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1125 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1126 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1127 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1128 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1129 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1130 "*negabs<mode>2", "sqrt<mode>2"):
1131 Changed <de> to <xde>. R constraint replaced by <Rf>.
1132 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1134 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1135 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1136 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1138 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1139 "extenddftf2", "extendsftf2"): New expanders.
1140 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1141 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1142 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1143 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1145 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1146 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1147 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1148 __floatditf): Add a GCC_4.1.0 symbol version tag.
1149 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1152 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1155 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1156 Use targetm.binds_local_p instead of TREE_PUBLIC.
1158 2006-02-02 Roger Sayle <roger@eyesopen.com>
1160 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1161 on INTEGER_TYPEs to indicate that it denotes a character type.
1162 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1163 signed_char_type_node, unsigned_char_type_node and char_type_node.
1164 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1165 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1166 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1168 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1169 Daniel Berlin <dberlin@dberlin.org>
1171 * tree-tailcall.c (arg_needs_copy_p): New function.
1172 (eliminate_tail_call): Use arg_needs_copy_p.
1173 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1174 (add_virtual_phis): New function.
1176 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1178 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1179 #ignore instead of #scratch for %g7 .register directive.
1181 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1183 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1186 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1188 * flow.c (calculate_global_regs_live): Assert that there aren't any
1191 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1193 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1195 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1196 bsi_after_labels iterator.
1197 * tree-if-conv.c (find_phi_replacement_condition,
1198 replace_phi_with_cond_modify_expr): Likewise.
1199 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1200 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1204 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1206 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1209 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1210 array after growing it.
1212 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1215 * fold-const.c (fold_checksum_tree): Change type of buf.
1217 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1219 * reload.c (push_secondary_reload): Initialize t_icode.
1221 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1223 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1224 -msoft-float -mlong-double-128 only issue a warning, but don't
1225 swich to DFmode long double.
1227 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1229 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1230 has a constant equivalent, iterate over equivalents for arg0,
1231 calling simplify_relational_operation and if there's a result
1232 cheaper than X, apply fold_rtx and return the result.
1234 2006-02-01 Jan Hubicka <jh@suse.cz>
1236 * opts.c (no_unit_at_a_time_default): New global variable.
1237 (decode_options): Use it.
1238 * opts.h (no_unit_at_a_time_default): Declare.
1240 2006-02-01 Paul Brook <paul@codesourcery.com>
1242 * function.c (assign_parm_setup_reg): Use function argument promotion
1244 * expr.c (expand_expr_real_1): Use function argument promotion rules
1247 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1249 * gcc.c (process_command): Change j to 'unsigned int'.
1251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1254 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1255 Use the corrected index for the character
1256 out of the string constant.
1258 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1260 * mode-switching.c (optimize_mode_switching): Fix size
1261 allocated for bb_info[n_entities].
1263 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1265 * gcc.c (main): Correct type that is allocated for
1266 explicit_link_files.
1268 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1270 * config/s390/s390.c (init_alignment_context): Set
1271 ALIAS_SET_MEMORY_BARRIER on the MEM.
1272 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1274 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1277 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1279 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1282 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1284 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1285 * regrename.c: Ditto.
1286 * tree-ssa-loop-im.c: Ditto.
1287 * tree-dump.c: Ditto.
1288 * tree-complex.c: Ditto.
1289 * genrecog.c: Ditto.
1290 * tree-ssa-threadupdate.c: Ditto.
1292 * java/class.c: Ditto.
1293 * java/jcf-parse.c: Ditto.
1294 * java/resource.c: Ditto.
1295 * java/except.c: Ditto.
1296 * java/jvspec.c: Ditto.
1297 * java/jcf-write.c: Ditto.
1298 * java/jcf-path.c: Ditto.
1299 * java/gjavah.c: Ditto.
1300 * java/zextract.c: Ditto.
1301 * java/jcf-io.c: Ditto.
1302 * java/jcf.h: Ditto.
1303 * java/buffer.c: Ditto.
1304 * java/lang.c: Ditto.
1305 * java/parse-scan.y: Ditto.
1306 * java/lex.c: Ditto.
1307 * java/lex.h: Ditto.
1308 * cfgloopmanip.c: Ditto.
1309 * postreload-gcse.c: Ditto.
1310 * tree-ssa-loop-manip.c: Ditto.
1311 * postreload.c: Ditto.
1312 * tree-ssa-loop-ch.c: Ditto.
1316 * diagnostic.c: Ditto.
1318 * genoutput.c: Ditto.
1320 * cfghooks.c: Ditto.
1321 * cfgloopanal.c: Ditto.
1322 * objc/objc-act.c: Ditto.
1324 * genextract.c: Ditto.
1325 * genautomata.c: Ditto.
1326 * pretty-print.c: Ditto.
1328 * cgraphunit.c: Ditto.
1331 * haifa-sched.c: Ditto.
1332 * dominance.c: Ditto.
1334 * tree-ssa-loop-ivopts.c: Ditto.
1336 * mode-switching.c: Ditto.
1337 * modulo-sched.c: Ditto.
1339 * ipa-pure-const.c: Ditto.
1341 * fix-header.c: Ditto.
1343 * tree-stdarg.c: Ditto.
1344 * ipa-utils.c: Ditto.
1345 * loop-init.c: Ditto.
1346 * ipa-inline.c: Ditto.
1349 * alloc-pool.c: Ditto.
1350 * dwarf2out.c: Ditto.
1352 * genattrtab.c: Ditto.
1353 * tree-ssa-loop-ivcanon.c: Ditto.
1357 * fortran/gfortranspec.c: Ditto.
1359 * local-alloc.c: Ditto.
1360 * langhooks.c: Ditto.
1361 * function.c: Ditto.
1362 * tree-vectorizer.c: Ditto.
1364 * ipa-type-escape.c: Ditto.
1366 * tree-if-conv.c: Ditto.
1369 * tree-data-ref.c: Ditto.
1370 * loop-unroll.c: Ditto.
1371 * treelang/treetree.c: Ditto.
1374 * ggc-common.c: Ditto.
1376 * coverage.c: Ditto.
1378 * tree-cfgcleanup.c: Ditto.
1379 * tree-ssa-pre.c: Ditto.
1380 * cfgcleanup.c: Ditto.
1381 * loop-invariant.c: Ditto.
1383 * ipa-prop.c: Ditto.
1384 * print-tree.c: Ditto.
1385 * conflict.c: Ditto.
1386 * ggc-page.c: Ditto.
1387 * sched-deps.c: Ditto.
1388 * regclass.c: Ditto.
1389 * tree-object-size.c: Ditto.
1391 * bb-reorder.c: Ditto.
1392 * resource.c: Ditto.
1393 * var-tracking.c: Ditto.
1395 * df-problems.c: Ditto.
1396 * reg-stack.c: Ditto.
1399 * sched-rgn.c: Ditto.
1400 * tree-ssa-structalias.c: Ditto.
1401 * tree-ssa-reassoc.c: Ditto.
1402 * config/darwin-c.c: Ditto.
1403 * config/darwin.c: Ditto.
1404 * config/arm/arm.c: Ditto.
1406 * collect2.c: Ditto.
1409 2006-01-31 Nicolas Pitre <nico@cam.org>
1411 * arm.md (smaxsi3): Make aware of smax_m1.
1414 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1416 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1418 2006-01-31 Richard Guenther <rguenther@suse.de>
1420 * doc/invoke.texi (-msselibm): Document.
1421 * target.h (expand_library_builtin): New target hook.
1422 * builtins.c (expand_builtin): Use expand_library_builtin.
1423 (default_expand_library_builtin): New function.
1424 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1425 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1426 (link_gcc_math_spec): Declare.
1427 (static_specs): Add link_gcc_math_spec.
1428 * expr.h (default_expand_library_builtin): Declare.
1429 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1430 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1431 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1432 * config/i386/i386.opt (msselibm): New target option.
1433 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1434 (ix86_init_sse_abi_builtins): New function.
1435 (ix86_expand_library_builtin): Likewise.
1436 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1437 (override_options): Handle error conditions wrt -msselibm.
1438 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1439 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1440 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1443 2006-01-31 Richard Guenther <rguenther@suse.de>
1444 Paolo Bonzini <bonzini@gnu.org>
1446 * doc/install.texi (--disable-libgcc-math): Document.
1448 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1450 * expr.h (expand_normal): new inline function.
1451 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1453 * dwarf2out.c: use it.
1458 * config/sparc/sparc.c: use it.
1459 * config/i386/i386.c: use it.
1460 * config/rs6000/rs6000.c: use it.
1461 * config/arm/arm.c: use it.
1462 * config/mips/mips.c: use it.
1463 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1465 2006-01-30 Roger Sayle <roger@eyesopen.com>
1467 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1468 argv to the appropriate type.
1470 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1472 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1475 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1478 * config/s390/s390.c (struct machine_function): New flag
1479 decomposed_literal_pool_addresses_ok_p.
1480 (s390_reorg): Set it before final stage of literal pool transforms.
1481 (s390_decompose_address): Only accept displacements of the form
1482 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1484 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1486 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1487 the comparison routine return.
1489 2006-01-30 Michael Matz <matz@suse.de>
1491 * global.c (find_reg): Only evict for global regs.
1492 Take n_refs into account and dump more info.
1494 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1497 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1498 (pragma_trap, pragma_nosave_low_regs): Likewise.
1499 (current_function_anonymous_args): Likewise.
1500 (sh_deferred_function_attributes): New variable.
1501 (sh_deferred_function_attributes_tail): Likewise.
1502 (print_operand): For '@', look up trap_exit attribute.
1503 (calc_live_regs): Look up trapa_handler attribute. For trapa
1504 handlers, save/restore fpscr, but don't do any other
1505 interrupt-specific saves.
1506 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1507 Fix check for partially saved registers to check for SHmedia.
1508 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1509 (sh_output_function_epilogue): Don't clear any of the removed
1511 (sh_insert_attributes): Don't check pragma_interrupt.
1512 Insert deferred attributes. Check that interrupt attribute is
1513 present for other attributes that require its presence.
1514 (sh_attribute_table): Add new attributes trapa_handler and
1516 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1517 Don't check for pragma_interrupt. Don't store argument.
1518 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1519 (sh_deferred_function_attributes): Declare.
1520 (sh_deferred_function_attributes_tail): Likewise.
1521 * sh.md (sp_switch_1): Add operand. Change generator caller.
1522 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1523 (*return_i): Don't use when trap_exit attribute is in effect.
1524 (*return_trapa): New insn pattern.
1526 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1527 setting c_target_objs and cxx_target_objs.
1528 * t-sh: Add rule for sh-c.o.
1530 2006-01-30 Richard Guenther <rguenther@suse.de>
1533 * gimplify.c (gimplify_target_expr): Handle easy cases
1534 without creating a temporary.
1536 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1538 * vec.h (safe_grow): Remove duplicated line.
1540 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1543 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1544 (expand_omp): ... here.
1545 (expand_omp_parallel): Only remove barriers for combined
1546 parallel+workshare constructs.
1548 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1552 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1553 * tree.c (build_qualified_type): Chain the new type to the original
1554 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1555 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1556 (build_pointer_type_for_mode): Only return unqualified types.
1557 (build_reference_type_for_mode): Likewise.
1559 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1561 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1562 * Makefile.in (CXX_COMPAT_WARN): Define.
1563 * configure: Regenerate.
1565 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1568 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1573 * toplev.c: Fix thinko.
1575 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1576 Marcin Dalecki <martin@dalecki.de>
1578 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1579 (push_srcloc): Use XNEW.
1580 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1582 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1584 * df-core.c (df_set_blocks): Deleted all variable.
1586 2006-01-28 Ian Lance Taylor <ian@airs.com>
1588 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1589 cgraph_output_pending_asms.
1591 2006-01-28 Zack Weinberg <zackw@panix.com>
1593 * c.opt: Add -W(no-)overlength-strings.
1594 * doc/invoke.texi: Document it.
1595 * c-opts.c (c_common_handle_option): -pedantic implies
1596 -Woverlength-strings, if not explicitly disabled already.
1597 (c_common_post_options): -Woverlength-strings defaults to off, and
1598 is always off for C++.
1599 * c-common.c (fix_string_type): Issue warning about strings longer
1600 than is portable only if warn_overlength_strings. Rearrange code
1601 a little for clarity.
1602 * configure.in: Check for -Wno-overlength-strings as well before
1603 enabling -pedantic in stage 1.
1604 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1605 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1607 * genconditions.c (write_header, write_one_condition)
1608 (write_conditions, write_writer): Consolidate very long strings
1609 that were broken up to fit in C89 portable limit. Don't use
1610 printf when fputs will do.
1612 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1614 * combine.c (simplify_comparison <AND>): Check
1615 TRULY_NOOP_TRUNCATION before start using a subreg.
1617 * config/mips/mips.md (*branch_zero<mode>,
1618 *branch_zero<mode>_inverted, *branch_equality<mode>,
1619 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1620 Remove mode check from comparisons.
1622 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1624 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1626 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1628 * expmed.c (const_mult_add_overflow_p): Remove.
1629 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1631 * recog.c (validate_replace_rtx_subexp): Remove.
1632 * recog.h: Remove the prototype for
1633 validate_replace_rtx_subexp.
1635 * integrate.h: Remove the prototype for
1636 copy_decl_for_inlining.
1637 * rtl.h: Remove the prototype for mark_constant_function.
1638 * tree-vectorizer.h: Remove the prototype for
1639 vect_strip_conversion.
1641 * modulo-sched.c (create_partial_schedule,
1642 free_partial_schedule, reset_partial_schedule): Make them
1645 * hooks.c (hook_bool_rtx_int_false): Remove.
1646 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1648 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1650 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1651 and -mlong-double-128 are incompatible.
1652 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1653 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1654 (TARGET_LIBGCC2_CFLAGS): Define.
1655 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1656 (TARGET_LIBGCC2_CFLAGS): Same.
1657 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1659 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1662 * c-typeck.c (build_binary_op): Perform implicit casts of
1663 operands before shortening them.
1665 * cfgloopmanip.c (split_loop_bb): Remove.
1666 * cfgloop.h: Remove the prototype for split_loop_bb.
1668 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1669 * cfgloop.h: Remove the prototype for
1670 flow_loop_outside_edge_p.
1672 * emit-rtl.c (init_virtual_regs): Make it static.
1673 * function.h: Remove the prototype for init_virtual_regs.
1675 * recog.c (peephole2_optimize): Make it static.
1676 * recog.h: Remove the prototype for peephole2_optimize.
1678 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1680 * df-scan.c (df_record_entry_block_defs): Check if
1681 INCOMING_RETURN_ADDR_RTX is defined.
1683 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1684 Kenneth Zadeck <zadeck@naturalbridge.com>
1686 PR rtl-optimization/24762
1687 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1688 * targhooks.c (hook_void_bitmap): New hook prototype.
1689 * targhoohs.h (hook_void_bitmap): Ditto.
1690 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1691 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1692 * target.h (live_on_entry): New function pointer.
1693 * df-scan.c (df_all_hard_regs): Removed.
1694 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1695 (df_scan_free_internal): Added df->entry_block_defs.
1696 (df_scan_alloc): Ditto.
1697 (df_scan_dump): Ditto.
1698 (df_uses_record): Plumbed flag field properly thru calls.
1699 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1700 This part fixes PR24762.
1701 (df_bb_refs_record): Added code to make the frame and arg
1702 pointers live in EH blocks.
1703 (df_refs_record): Added call to df_record_entry_block_defs.
1704 (df_record_entry_block_defs): New function.
1705 * df-core.c: Added comments to describe new artifical defs.
1706 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1707 (entry_block_defs): New field in struct df.
1708 (df_all_hard_regs): Deleted.
1709 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1710 * df-problems.c (df_ru_bb_local_compute_process_def):
1711 Added code to handle artifical defs in the entry to a function.
1712 (df_ru_bb_local_compute): Ditto.
1713 (df_rd_bb_local_compute_process_def): Ditto.
1714 (df_rd_bb_local_compute): Ditto.
1715 (df_lr_bb_local_compute): Ditto.
1716 (df_ur_bb_local_compute): Ditto.
1717 (df_urec_bb_local_compute): Ditto.
1718 (df_chain_create_bb): Ditto.
1719 (df_ur_local_finalize): Removed entry.
1720 (df_urec_init): Ditto.
1721 (df_urec_local_finalize): Ditto.
1722 (df_ri_bb_compute): Added detection of last use of pseudos.
1723 * Makefile.in (df-scan.o): Updated dependencies.
1724 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1725 * config/mips/mips.c (mips_set_live_on_entry): Added.
1726 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1728 * dce.c (marked_insn_p): Added code to handle artifical defs.
1730 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1732 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1734 (_mm_cvtsi128_si64): Likewise.
1735 (_mm_cvtsd_si64): Likewise.
1736 (_mm_cvttsd_si64): Likewise.
1737 (_mm_cvtsi64_sd): Likewise.
1738 (_mm_cvtsi64_si128): Likewise.
1739 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1740 (_mm_cvtsi64_m64): Likewise.
1741 (_m_to_int64): Likewise.
1742 (_mm_cvtm64_si64): Likewise.
1743 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1744 (_mm_cvttss_si64): Likewise.
1745 (_mm_cvtsi64_ss): Likewise.
1746 (_mm_cvtss_f32): Likewise.
1748 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1750 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1751 for pragma redefine_extname.
1753 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1756 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1757 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1758 -mno-minimal-toc to previous content.
1759 (bispecs): Remove goal.
1760 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1761 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1762 compatibility aliases on powerpc-*-*gnu*.
1763 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1764 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1765 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1766 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1767 (ldblspecs): New goal.
1768 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1769 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1771 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1772 L_sf_to_tf or L_df_to_tf is defined.
1774 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1775 Alan Modra <amodra@bigpond.net.au>
1778 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1779 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1780 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1781 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1782 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1783 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1784 (rs6000_override_options): Initialize rs6000_ieeequad.
1785 Initialize TFmode format to ibm_extended_format if not
1787 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1789 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1790 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1791 (function_arg_advance): IBM long double passed in two FPRs, not
1793 (function_arg): IBM long double passed in FPRs.
1794 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1795 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1796 Only multireg GPR aligned.
1797 (rs6000_init_libfuncs): Enable IBM long double functions if not
1799 (rs6000_generate_compare): Use IBM long double compare if not
1801 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1802 (TARGET_IEEEQUAD): Define.
1803 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1804 not TARGET_IEEEQUAD.
1805 * config/rs6000/rs6000.md: Enable TFmode patterns if
1807 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1808 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1809 and -mlong-double-128 are incompatible.
1810 * doc/invoke.texi (-mabi): Collect options together. Add
1811 ibmlongdouble and ieeelongdouble.
1813 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1815 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1817 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1818 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1819 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1820 * rtl.h (rtunion_def): Remove rt_ptr.
1822 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1823 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1824 * config/i386/winnt.c (i386_pe_mark_dllexport)
1825 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1827 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1829 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1831 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1835 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1836 pthread_key_delete. From John David Anglin. gthrw-ify
1837 pthread_getunique_np only if it it's not a macro. Delete
1839 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1840 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1841 __gthread_objc_condition_signal, __gthread_key_delete): Add
1842 "__attribute__ ((__unused__))" to unused arguments.
1843 (__gthread_recursive_mutex_init_function): Add missing return.
1844 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1845 gthr-posix95.h: Use macro-based approach for name redirection
1846 on targets missing weakref.
1848 2006-01-26 Zack Weinberg <zackw@panix.com>
1850 * genconditions.c (write_header): In generated code, #ifdef out
1851 all includes and fake declarations, except includes of bconfig.h
1852 and system.h, unless GCC_VERSION >= 3001. Do not include
1853 gensupport.h in any case.
1854 (write_conditions): Generate a definition of struct c_test. Add
1855 a comment to the generated #endif.
1856 (write_one_condition): Escape backslashes in string too.
1857 (write_writer): Generated code must escape backslashes and quote
1858 marks (but not newlines) in the strings it writes.
1859 * Makefile.in (build/gencondmd.o): Update dependencies.
1861 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1864 * Makefile.in (insn-automata.o): Add header file dependencies.
1865 * genautomata.c: Add includes.
1867 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1870 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1872 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1874 * configure.ac: Expect target tools paths to be passed from the toplevel
1875 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1877 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1879 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1882 * c.opt (Wpointer-sign): Init to -1.
1883 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1884 OPT_pedantic, to 0 otherwise.
1885 * doc/invoke.texi: Update.
1887 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1889 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1890 constants provided by 80387 instructions in the destination mode.
1892 2006-01-26 Richard Guenther <rguenther@suse.de>
1893 Andrew Pinski <pinskia@physics.uc.edu>
1896 partial PR tree-opt/17064
1897 * tree-ssa-structalias.c (intra_create_variable_infos):
1898 Create heap variables for incoming parameters if
1899 flag_argument_noalias > 1.
1900 (find_what_p_points_to): Look through default defs of
1903 2006-01-26 Jeff Law <law@redhat.com>
1906 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1907 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1908 within the VR_RANGE, use the VR_RANGE as the result, not the
1910 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1911 bounds for the type.
1913 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1915 * tree-ssa-alias.c (maybe_create_global_var): Change
1916 subvar walking to an assertion that we don't have subvar'd variables.
1918 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1921 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1922 Use a new variable, inner. PARM_DECLs are always non-weak.
1924 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1926 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1929 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1931 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1933 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1935 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1936 (smax_insn, smin_insn, smax_0, smin_0): New.
1938 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1941 * config/cris/cris.c (cris_order_for_addsi3): New function.
1942 * config/cris/cris-protos.h: Prototype it.
1943 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1944 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1945 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1946 (split for "op.S1 [rx=rx+i],ry (swapped)")
1947 (split for "op(s|u).S1 [rx=rx+i],ry")
1948 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1949 Apply cris_order_for_addsi3 when generating addsi3 insns.
1951 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1953 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1954 (TREE_BLOCK): Add call to EXPR_CHECK.
1956 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1959 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1960 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1961 (dump_omp_clauses): ... here.
1962 (dump_generic_node): Handle OMP_CLAUSE.
1963 * tree.c (omp_clause_num_ops): New.
1964 (omp_clause_code_name): New.
1965 (tree_code_size): Handle OMP_CLAUSE.
1966 (tree_size): Likewise.
1967 (make_node): Document handling of OMP_CLAUSE.
1968 (tree_node_structure): Handle OMP_CLAUSE.
1969 (omp_clause_check_failed): New.
1970 (omp_clause_range_check_failed): New.
1971 (omp_clause_operand_check_failed): New.
1972 (build_omp_clause): New.
1973 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1974 * tree.h (enum omp_clause_code): Declare.
1975 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1976 (OMP_CLAUSE_RANGE_CHECK): Define.
1977 (OMP_CLAUSE_ELT_CHECK): Define.
1978 (omp_clause_check_failed): Declare.
1979 (omp_clause_operand_check_failed): Declare.
1980 (omp_clause_range_check_failed): Declare.
1981 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1982 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1983 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1984 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1985 (OMP_CLAUSE_IF_EXPR): Likewise.
1986 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1987 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1988 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1989 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1990 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1991 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1992 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1993 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1994 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1995 (OMP_CLAUSE_CODE): Define.
1996 (OMP_CLAUSE_SET_CODE): Define.
1997 (OMP_CLAUSE_CODE): Define.
1998 (OMP_CLAUSE_OPERAND): Define.
1999 (struct tree_omp_clause): Declare.
2000 (union tree_node): Add field 'omp_clause'.
2001 * treestruct.def (TS_OMP_CLAUSE): Define.
2002 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2003 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2004 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2005 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2006 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2007 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2008 (OMP_CLAUSE): Define.
2009 * print-tree.c (print_node): Handle OMP_CLAUSE.
2010 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2011 * c-typeck.c: Likewise.
2012 * gimplify.c: Likewise.
2013 * c-omp.c: Likewise.
2014 * tree-nested.c: Likewise.
2015 * tree-inline.c: Likewise.
2016 * c-parser.c: Likewise.
2017 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2020 2006-01-25 Roger Sayle <roger@eyesopen.com>
2022 PR rtl-optimization/25703
2023 * combine.c (try_combine): Handle zero_extract and strict_low_part
2024 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2026 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2028 * global.c: Fix comment typos.
2030 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2033 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2034 Use output_addr_const instead of assemble_name.
2036 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2038 * Makefile.in (sched-vis.o): Update dependencies.
2039 * haifa-sched.c (sched_finish): Clear current_sched_info.
2040 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2041 (dump_flow_info): Call it.
2042 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2044 * basic-block.h (dump_bb_info): Declare.
2045 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2046 option, and apply options only for dump files whose TDF_RTL,
2047 TDF_TREE, or TDF_IPA bits match.
2048 * rtl.h: Declare new functions exported from sched-vis.c.
2049 * sched-vis.c: Enable also if scheduling is not used.
2050 (print_value): Print the mode of registers if not inside scheduling.
2051 (print_insn): Make it work outside the scheduler. Beautify the output
2053 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2055 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2057 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2058 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2059 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2060 depending on the value of CONSTANT_POOL_ADDRESS_P.
2061 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2063 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2064 rather than SYMBOL_REF_DECL.
2065 (rtx_constant_pool): Remove const_rtx_sym_htab.
2066 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2067 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2068 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2069 Remove handling of const_rtx_sym_htab.
2070 (find_pool_constant): Delete.
2071 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2072 rather than find_pool_constant.
2073 (get_pool_constant_for_function): Delete.
2074 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2076 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2077 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2078 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2079 (SYMBOL_REF_CONSTANT): New macro.
2080 (get_pool_constant_for_function): Delete.
2081 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2082 rather than SYMBOL_REF_DECL.
2083 (i386_pe_mark_dllimport): Likewise.
2084 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2085 rather than SYMBOL_REF_DECL.
2086 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2087 (machopic_indirect_call_target): Likewise.
2089 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2091 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2093 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2095 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2097 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2099 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2101 2006-01-24 David Daney <ddaney@avtrex.com>
2104 * configure.ac (enable_tls): New enable option.
2105 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2106 * configure: Regenerate.
2107 * doc/install.texi (--enable-tls): Document new option.
2108 (--disable-tls): Ditto.
2110 2006-01-24 Richard Henderson <rth@redehat.com>
2112 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2113 * alias.c (true_dependence): Respect it.
2114 (canon_true_dependence, write_dependence_p): Likewise.
2115 * builtins.c (get_builtin_sync_mem): Set it.
2117 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2119 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2122 2006-01-24 DJ Delorie <dj@redhat.com>
2124 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2125 for storing constants in single-bit bitfields.
2127 2006-01-25 Ben Elliston <bje@au.ibm.com>
2129 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2131 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2134 * tree-ssa-pre.c (phi_translate): Return NULL
2135 for AGGREGATE_TYPE's.
2137 2006-01-24 Zack Weinberg <zackw@panix.com>
2139 * genautomata.c (process_state_for_insn_equiv_partition):
2140 Use xcalloc for insn_arcs_array.
2141 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2142 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2144 2006-01-24 Richard Henderson <rth@redhat.com>
2146 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2149 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2151 PR rtl-optimization/25890
2152 PR rtl-optimization/25905
2153 * combine.c (expand_compound_operation, expand_field_assignment):
2154 Fail if the bitfield's final position is out of bounds.
2156 2006-01-24 Ian Lance Taylor <ian@airs.com>
2159 * cgraphunit.c (cgraph_output_in_order): Don't clear
2160 cgraph_asm_nodes until after asm strings have been output.
2162 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2164 * fix-header.c (read_scan_file): Add new parameter imultilib when
2165 calling register_include_chains.
2167 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2169 * omp-low.c: Update documentation.
2171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2172 Daniel Berlin <dberlin@dberlin.org>
2176 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2177 return from the function.
2179 2006-01-22 Zack Weinberg <zackw@panix.com>
2181 * rtl.def (match_code): Add second argument.
2182 * genpreds.c (write_extract_subexp): New function.
2183 (write_match_code): Add path argument. Use write_extract_subexp.
2184 (write_predicate_expr): Pass path to write_match_code.
2185 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2186 not perform a mode test.
2187 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2188 a subexpression does not constrain the top-level code set.
2189 * read-rtl.c (read_rtx_variadic): New function.
2190 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2191 * doc/md.texi: Document new notation.
2192 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2193 (cmpsi_operand): ... here, using new notation.
2195 2006-01-22 Zack Weinberg <zackw@panix.com>
2197 * varray.c: Remove GENERATOR_FILE #ifdefs.
2199 2006-01-22 Zack Weinberg <zackw@panix.com>
2201 * genautomata.c (output_reserved_units_table): Emit nothing if
2202 description->query_units_num is zero. Remove extra blank line.
2203 (output_cpu_unit_reservation_p): Short circuit
2204 if description->query_units_num is zero.
2206 2006-01-22 Zack Weinberg <zackw@panix.com>
2208 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2209 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2210 nor any of the random handful of variables that used to be necessary
2211 when this program was linked with rtlanal.o. Prune set of forward
2212 function declarations.
2213 (struct attr_desc): Remove static_p field.
2214 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2215 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2216 (attr_string): Do not read the character one past the length of
2218 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2219 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2220 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2221 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2222 (make_automaton_attrs): New.
2223 (main): Do not call into genautomata. Call local gen_bypass
2224 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2225 Remove special case for insn_alts.
2226 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2227 varray.h (leftover from previous change). Prune set of forward
2228 function declarations. Remove state_alts fields from all
2229 structures. Remove state_alts_table from struct automaton.
2230 Make everything except main static. Do not maintain num_dfa_decls.
2231 Do not maintain state_alts fields of various structures.
2232 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2233 (add_arc): Remove state_alts argument. All callers updated.
2234 (output_reserved_units_table): Emit #ifdef here...
2235 (output_tables): ...not here. Don't generate state_alts tables.
2236 (expand_automata): Don't generate attributes.
2237 (write_automata): Don't generate state_alts functions.
2238 (main): New function.
2239 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2240 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2241 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2242 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2243 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2244 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2245 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2246 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2248 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2249 * genattrtab.h: Delete file.
2250 * Makefile.in (OBJS-common): Add insn-automata.o.
2251 (insn-automata.o): New rule.
2252 (simple_generated_c): Add insn-automata.c.
2253 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2254 (genprogmd): Add automata.
2255 (build/genattrtab): Needs no extra objects nor libraries.
2256 (build/genautomata): Needs build/vec.o and -lm.
2258 2006-01-22 Zack Weinberg <zackw@panix.com>
2260 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2261 (output_dfa_max_issue_rate, locked_states_num): Delete.
2262 (struct automaton): Add locked_states field.
2263 (output_dead_lock_vect): Save number of locked states in
2264 automaton->locked_states. If it is zero, don't print anything.
2265 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2266 (output_internal_dead_lock_func): Only test the dead_lock_vect
2267 for automata that have locked states.
2268 (output_statistics): Always print the number of locked states for
2269 each automaton. Calculate total number of locked states here.
2270 (write_automata): Don't call output_dfa_max_issue_rate.
2271 * genattrtab.c: Define length_unit_log as a const variable.
2272 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2273 max_insn_queue_index const.
2274 * final.c (length_unit_log): Declare const.
2275 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2277 2006-01-22 Zack Weinberg <zackw@panix.com>
2279 * genautomata.c: Include vec.h, not varray.h.
2280 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2281 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2282 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2283 VEC_* macros operating on appropriately typed vectors, or to
2284 malloced arrays when the size is known in advance. Const-ify
2285 many char* variables and function arguments. No functional changes.
2286 * Makefile.in (build/varray.o): Delete rule.
2287 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2288 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2290 2006-01-22 Zack Weinberg <zackw@panix.com>
2292 * gensupport.c: Define get_insn_name and record_insn_name here.
2293 (read_md_rtx): Call record_insn_name as appropriate.
2294 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2295 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2296 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2298 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2299 (BUILD_VARRAY): Delete.
2300 (genprognormal): Rename genprogmd. Fold in all programs from
2301 genprognoprint; also attrtab.
2302 (build/genattrtab): Just mention genautomata.o and varray.o.
2303 Reorganize a bit, add comments to make the categories clearer.
2305 2006-01-22 Zack Weinberg <zackw@panix.com>
2307 * genconditions.c (condition_table, add_condition): Delete.
2308 (write_conditions): Don't emit n_insn_conditions nor
2309 insn_elision_unavailable. Issue the gcc version #ifdef here,
2310 inside the table, with no #else clause ...
2311 (write_header): ...not here.
2312 (write_writer): New function.
2313 (main): Don't initialize condition_table. Use add_c_test.
2315 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2316 files on the command line.
2317 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2318 Return -1 if there is no entry in the table, don't abort.
2319 (add_c_test, traverse_c_tests): New functions.
2320 * gensupport.h (insn_elision_unavailable, insn_conditions)
2321 (n_insn_conditions): Delete declarations.
2322 (add_c_test, traverse_c_tests): Declare.
2323 * read-rtl.c: Include gensupport.h.
2324 (read_conditions): New function.
2325 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2326 (read_rtx_1): If we get EOF when we were looking for an initial
2327 open paren, return 0. Call read_conditions when appropriate.
2328 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2329 dummy-conditions.o. Eliminate references to insn-conditions.o,
2330 or change them to build/gencondmd.o, as appropriate. Remove
2331 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2332 from $(simple_generated_c). For all files remaining in those
2333 two lists, add insn-conditions.md to the generator command line.
2334 Give insn-constants.h/s-constants their own rules. Add rules
2335 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2336 (build/read-rtl.o): Depend on gensupport.h.
2337 (genprognormal): Include preds.
2338 (genprogearly): Rename genprognoprint; only difference is now that
2339 they don't link with $(BUILD_PRINT).
2340 * dummy-conditions.c: Delete.
2342 2006-01-22 Zack Weinberg <zackw@panix.com>
2344 * genextract.c: Don't include insn-config.h. Do include vec.h.
2345 Declare vectors of int, char, and locstr.
2346 (locstr): New typedef.
2347 (struct extraction): Make all array fields into bare pointers.
2348 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2349 (insn_code_number): Delete.
2350 (accum_extract): New struct.
2351 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2352 (gen_insn): Take insn_code_number as an argument. Use an
2353 accum_extract structure instead of loading data directly into
2354 a struct extraction, and having to know how big it might get.
2355 (walk_rtx): Operate entirely on an accum_extract structure.
2356 (print_path): Avoid unnecessary use of printf.
2357 (print_header): New function, split out of main. Distinguish
2358 more carefully between an unrecognizable insn and an insn that
2359 has the code number of a define_expand.
2360 (main): Pass insn_code_number to gen_insn. Call print_header
2361 only after parsing. Avoid unnecessary use of printf.
2362 * Makefile.in (build/vec.o): New rule.
2363 (build/genextract): Depend on build/vec.o.
2364 (build/genextract.o): Don't depend on insn-config.h.
2366 2006-01-22 Zack Weinberg <zackw@panix.com>
2368 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2369 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2370 practical. Eliminate per-generator-program link rules.
2372 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2375 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2376 with a call expr to ...
2377 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2379 2006-01-23 Richard Guenther <rguenther@suse.de>
2381 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2382 before make_edge with conditional EDGE_TRUE_VALUE.
2384 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2385 Jan Hubicka <jh@suse.cz>
2386 Richard Guenther <rguenther@suse.de>
2388 PR rtl-optimization/25654
2389 * cfgexpand.c (aggregate_contains_union_type): New function.
2390 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2391 for structure variables that contain a union type.
2393 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2395 * gengtype.c (new_structure): Return the structure.
2396 (create_option): Add an extra "next" argument.
2397 (create_field): New function.
2398 (adjust_field_rtx_def): Use create_option and create_field.
2399 Remove a now-unnecessary call to find_structure.
2400 (adjust_field_tree_def): Likewise.
2401 (note_yacc_type): Remove an unnecessary call to find_structure.
2402 * gengtype.h (new_structure): Return the structure.
2403 (create_option): Add an extra argument.
2404 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2405 (option): Adjust calls to create_option.
2407 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2409 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2411 2006-01-22 Paul Brook <paul@codesourcery.com>
2412 Peter Barada <peter@the-baradas.com>
2414 * config/m68k/m68k.md: Add Coldfire FPU support.
2415 Define FP mode macro and associated attributes.
2416 Use it for float mode patterns.
2417 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2418 (LIBCALL_VALUE): Use m68k_libcall_value.
2419 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2420 (m68k_function_value): Ditto.
2421 (emit_move_sequence): Ditto.
2422 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2423 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2424 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2425 (MULTILIB_EXCEPTIONS): Ditto.
2426 * config/m68k/m68k.opt: Add mcfv4e.
2427 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2428 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2429 (m68k_output_function_prologue): Save ColdFire FPU registers.
2430 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2431 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2432 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2433 ColdFire FPU registers.
2434 (m68k_libcall_value, m68k_function_value): New functions.
2435 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2436 (LIBCALL_VALUE): Use m68k_libcall_value.
2437 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2438 (MASK_COLDFIRE): Add MASK_CFV4E.
2439 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2440 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2441 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2442 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2443 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2444 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2445 * doc/invoke.tex: Document -mcfv4e on m68k.
2447 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2449 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2452 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2455 * c-opts.c (c_common_handle_option): Don't include
2456 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2457 * doc/invoke.texi (C++ Dialect Options): Document that
2458 -Wnon-virtual-dtor is no longer included in -Wall.
2460 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2462 * gcov.c (print_version), gcov-dump.c (print_version),
2463 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2466 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2468 * df-scan.c (problem_SCAN): Added NULL reset function.
2469 (df_scan_reset_blocks): Added code to call reset block function
2470 (df_bb_refs_delete) Fixed comment.
2471 (df_insn_refs_delete): Made tolerant of deleting non existent info
2472 for dataflow problems that need to be reset.
2473 * df-core.c (df_set_blocks): Ditto.
2474 * df.h (struct df_problem): Added reset_fun.
2475 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2476 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2477 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2478 functions to clear out all references to def-use or use-def chains.
2480 2006-01-21 Ben Elliston <bje@au.ibm.com>
2482 * varasm.c (assemble_real): Initialise data array.
2484 2006-01-20 Paul Brook <paul@codesourcery.com>
2486 Merge from csl-arm-branch.
2487 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2488 * config/arm/arm.md (movdi): Force operands[1] to a register
2489 if we have a non-register source.
2490 (*arm_movdi, *movdf_soft_insn): Require that one of the
2491 operands be a register.
2492 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2493 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2495 2006-01-20 DJ Delorie <dj@redhat.com>
2497 * varasm.c (initialize_constant_valid_p): Allow pointers
2498 initialized from integer constants of lesser precision.
2499 (output_constant): Allow non-int-sized pointer modes to be
2500 initialized from integer constants.
2502 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2505 * cppdefault.h (struct default_include): Add multilib flag.
2506 * cppdefault.c (cpp_include_defaults): Set it.
2507 * c.opt (-imultilib): New option.
2508 * c-opts.c (imultilib): New.
2509 (c_common_handle_option): Handle -imultilib.
2510 (c_common_post_options): Likewise.
2511 * c-incpath.c (add_standard_paths, register_include_chains):
2513 * c-incpath.h (register_include_chains): Add extra parameter.
2514 * gcc.c (do_spec_1): Generate -imultilib option.
2515 (The Specs Language): Update %I description.
2516 (process_command): Update copyright notice.
2517 * doc/cppopts.texi (-imultilib): Document.
2518 * doc/invoke.texi (-imultilib): Include in option summary.
2519 (%I): Update specs documentation.
2521 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2523 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2525 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2527 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2530 2006-01-20 Richard Guenther <rguenther@suse.de>
2531 Steven Bosscher <stevenb.gcc@gmail.com>
2533 PR rtl-optimization/24626
2534 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2535 EDGE_TRUE_VALUE if in RTL mode.
2538 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2539 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2541 2006-01-20 Dirk Mueller <dmueller@suse.com>
2544 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2545 instead of a special NOP marker.
2546 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2547 NOP marker handling.
2548 * c-common.h (empty_body_warning): Add forward declaration.
2549 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2550 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2552 2006-01-20 Paul Brook <paul@codesourcery.com>
2554 * Makefile.in (lang_checks): Keep going if mkdir fails.
2556 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2558 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2559 be able to clean out basic block when not necessary.
2560 (df_scan_free): Fixed to properly delete information if df is
2561 unused before calling df_finish.
2562 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2563 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2565 (df_bb_refs_delete): New function.
2566 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2567 * df-core.c (df_set_blocks): Added code to properly clean out
2568 unused blocks if they are not part of the blocks to consider.
2569 Added additional null check.
2570 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2571 be able to clean out basic block when not necessary
2572 * df.h (df_free_bb_function): Ditto.
2573 (df_bb_refs_delete): New function.
2574 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2575 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2576 basic block parameter to be able to clean out basic block when not
2578 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2579 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2580 Fixed to properly delete information if df is unused before
2583 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2585 PR rtl-optimization/25799
2586 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2587 Corrected confluence operator to remove bits from op2 before oring
2588 with op1 rather than removing bits from op1.
2589 (df_ru_transfer_function): Corrected test on wrong bitmap which
2590 caused infinite loop. Both of these problems were introduced in
2591 the dataflow rewrite.
2593 2006-01-19 DJ Delorie <dj@redhat.com>
2595 * reload1.c (find_reload_regs): Note the details of reload
2596 failures in the dump file.
2597 (spill_failure): Likewise.
2599 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2601 * loop-iv.c: Include df.h and hashtab.h.
2602 (enum iv_grd_result): New enum.
2603 (DF_REF_IV, DF_REF_IV_SET): New macros.
2604 (struct biv_entry): New.
2605 (df, bivs): New global variables.
2606 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2607 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2609 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2610 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2611 analyzed_for_bivness_p, record_biv): New functions.
2612 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2613 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2614 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2616 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2618 (iv_number_of_iterations): Use new interface to iv analysis.
2619 * loop-unroll.c: Do not include varray.h.
2620 (analyze_iv_to_split_insn): Use new interface to iv
2622 * loop-unswitch.c (may_unswitch_on): Ditto.
2623 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2625 (df_bb_modify): Realloc tables to the new index.
2626 (df_find_use): New function.
2627 * df.h (df_find_use): Declare.
2628 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2630 * cfgloop.h (struct rtx_iv): Remove analysed field.
2631 (iv_get_reaching_def): Removed.
2632 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2633 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2634 (loop-iv.o): Add df.h and hashtab.h dependency.
2635 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2637 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2640 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2642 (__floatundisf, __floatundidf): Likewise.
2643 * libgcc2.h (IS_IBM_EXTENDED): Define.
2645 2006-01-19 DJ Delorie <dj@redhat.com>
2647 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2649 2006-01-19 Paul Brook <paul@codesourcery.com>
2651 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2652 as nothrow when unwinding tables are disabled.
2654 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2657 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2658 of bit-field" when in system header.
2660 2006-01-19 DJ Delorie <dj@redhat.com>
2662 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2663 the 16 bit shift limit of the m16c.
2665 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2668 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2669 * config/i386/i386.c (output_set_got): Output the label if we have one
2670 for the TARGET_DEEP_BRANCH_PREDICTION case.
2672 2006-01-19 Jan Hubicka <jh@suse.cz>
2673 H.J. Lu <hongjiu.lu@intel.com>
2674 Evandro Menezes <evandro.menezes@amd.com>
2676 * invoke.texi (generic): Document
2678 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2679 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2680 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2681 (x86_use_incdec, x86_pad_returns): New variables
2682 (TARGET_CPU_DEFAULT_generic): New constant
2683 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2684 (enum processor_type): Add generic32 and generic64.
2685 * i386.md (cpu attribute): Add generic32/generic64
2686 (movhi splitter): Behave sanely when both partial_reg_dependency and
2687 partial_reg_stall are set.
2688 (K8 splitters): Enable for generic as well.
2689 * predicates.md (incdec_operand): Use TARGET_INCDEC
2690 (aligned_operand): Avoid memory mismatch stalls.
2691 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2692 * ppro.md: Enable for generic32
2693 * i386.c (generic64_cost, generic32_cost): New.
2694 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2695 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2696 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2697 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2698 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2699 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2700 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2701 x86_accumulate_outgoing_args, x86_prologue_using_move,
2702 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2703 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2705 (x86_use_incdec, x86_pad_returns): New.
2706 (override_options): Add generic32 and generic64, translate "generic"
2707 to generic32/generic64 and "i686" to "generic32", refuse
2708 "generic32"/"generic64" as arch target.
2709 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2710 (ix86_reorg): Honor PAD_RETURNS.
2712 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2714 * tree-pretty-print.c (dump_generic_node): Handle
2715 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2716 * cgraph.c (cgraph_expand_queue): Rename from
2717 cgraph_analyze_queue. Update all users.
2718 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2719 cgraph_expand_queue.
2720 (cgraph_expand_all_functions): Likewise.
2721 (cgraph_finalize_pending_functions): Remove. Update callers.
2723 * tree.h (OMP_DIRECTIVE_P): Define.
2724 (OMP_PARALLEL_FN): Define.
2725 (OMP_PARALLEL_DATA_ARG): Define.
2726 (OMP_SECTIONS_SECTIONS): Define.
2727 * tree-pass.h (pass_expand_omp): Declare.
2728 * omp-low.c (struct omp_region): Declare.
2729 (struct omp_context): Remove fields 'parallel_type',
2730 'parallel_start_ix' and 'parallel_start_additional_args'.
2732 (struct omp_for_data): Rename from struct expand_omp_for_data.
2733 (omp_regions): New static variable.
2734 (root_omp_region): New static variable.
2735 (find_omp_clause): Make static.
2736 (is_in_combined_parallel_ctx): Remove.
2737 (is_combined_parallel): New.
2738 (extract_omp_for_data): Move earlier in the file.
2739 (workshare_safe_to_combine_p): New.
2740 (get_ws_args_for): New.
2741 (determine_parallel_type): Move earlier in the file.
2742 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2744 (omp_copy_decl): Likewise.
2745 (create_omp_child_function): Likewise.
2746 (lookup_omp_region): New.
2747 (dump_omp_region): New.
2748 (debug_omp_region): New.
2749 (debug_all_omp_regions): New.
2750 (new_omp_region): New.
2751 (scan_omp_parallel): If parallel_nesting_level > 1, the
2752 directive is nested within another parallel directive.
2753 Set OMP_PARALLEL_FN.
2754 (scan_omp_for): Do not try to handle combined parallel+for
2756 Remove FIXME comment.
2757 (scan_omp_nested): Remove.
2758 (scan_omp_1): Do not call scan_omp_nested when
2759 parallel_nesting_level is > 1.
2760 Do not change the DECL_CONTEXT of local variables found.
2761 (lookup_decl_in_outer_ctx): New.
2762 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2763 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2764 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2765 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2766 If CTX is nested, lookup VAR in the outer context when
2767 building copy assignment.
2768 (lower_send_clauses): Rename from expand_send_clauses.
2769 If CTX is nested, lookup VAR in the outer context when
2770 building copy assignments.
2771 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2772 If CTX is nested, lookup VAR in the outer context when
2773 building copy assignments.
2774 (expand_parallel_call): Rename from build_parallel_call.
2775 Handle combined parallel+workshare cases.
2776 Re-implement to emit code into the CFG.
2778 (expand_omp_parallel): Re-implement to emit code into the CFG.
2779 Call move_sese_region_to_fn to outline the sub-graph
2780 containing the parallel region.
2781 (expand_omp_for_1): Remove.
2782 (expand_omp_for_generic): Re-implement to emit code into the
2784 (expand_omp_for_static_nochunk): Likewise.
2785 (expand_omp_for_static_chunk): Likewise.
2786 (expand_omp_for): Likewise.
2787 (expand_omp_sections): Likewise.
2788 (remove_exit_barriers): New.
2789 (expand_omp_synch): New.
2791 (build_omp_regions_1): New.
2792 (build_omp_regions): New.
2793 (execute_expand_omp): New.
2794 (gate_expand_omp): New.
2795 (pass_expand_omp): Define.
2796 (lower_omp_sections): Rename from expand_omp_sections.
2797 Set OMP_SECTIONS_SECTIONS.
2798 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2799 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2800 (lower_omp_single): Rename from expand_omp_simple.
2801 (lower_omp_master): Rename from expand_omp_master.
2802 (lower_omp_ordered): Rename from expand_omp_ordered.
2803 (lower_omp_critical): Rename from expand_omp_critical.
2804 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2805 (lower_omp_for): Re-implement.
2806 (lower_omp_parallel): Re-implement.
2807 (lower_regimplify): Rename from expand_regimplify.
2808 (lower_omp_1): Rename from expand_omp_1.
2809 If there are syntax errors in the program, replace every
2810 OpenMP directive with NOP.
2811 Call lower_omp_* instead of expand_omp_*.
2812 (lower_omp): Rename from expand_omp.
2814 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2815 * tree-gimple.h (enum omp_parallel_type): Remove.
2816 (gimple_boolify): Declare extern.
2817 (find_omp_clause, determine_parallel_type): Remove.
2819 * gimple-low.c (lower_omp_directive): New.
2820 (lower_stmt): Call it.
2821 (record_vars_into): Move from ...
2822 (record_vars): ... here.
2823 Call record_vars_into with current_function_decl.
2825 * gimplify.c (struct gimplify_ctx): Remove fields
2826 combined_pre_p and combined_ctxp. Update users.
2827 (get_formal_tmp_var): Add documentation.
2828 (gimple_boolify): Make extern.
2829 (gimplify_expr_in_ctx): Remove. Update callers.
2830 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2831 will always be a BIND_EXPR.
2832 (gimplify_expr): Handle OMP_RETURN_EXPR.
2833 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2834 (OMP_PARALLEL): Add 3 operands.
2835 (OMP_SECTIONS): Add 1 operand.
2836 (OMP_RETURN_EXPR): Define.
2838 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2839 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2840 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2841 creating a circular free list.
2842 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2844 * tree-flow.h (move_sese_region_to_fn): Declare.
2845 (record_vars_into): Declare.
2846 * tree-cfg.c (make_omp_sections_edges): New.
2847 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2848 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2849 OMP_SECTIONS and OMP_SECTION.
2850 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2851 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2852 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2853 (gather_blocks_in_sese_region): New.
2854 (struct move_stmt_d): Declare.
2856 (move_block_to_fn): New.
2857 (move_sese_region_to_fn): New.
2859 * passes.c (init_optimization_passes): Schedule
2860 pass_expand_omp after pass_init_datastructures.
2862 * tree-ssa-operands.c (get_expr_operands): Handle
2863 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2864 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2866 2006-01-19 Jeff Law <law@redhat.com>
2868 * tree-vrp.c (extract_range_from_assert): Refine the result range
2869 if the variable referenced by the ASSERT_EXPR has a range and
2870 either the tentative result range or the previous range is a
2873 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2875 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2877 2006-01-19 Jan Hubicka <jh@suse.cz>
2879 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2881 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2883 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2884 (expand_compound_operation, expand_field_assignment): Fail if the
2885 bit lengths of an extract operation are out of range.
2886 (make_extraction): Compute wanted_inner_mode based on the position
2887 and length of the extraction. Make it extraction_mode for non-constant
2888 positions, and do not modify offset in that case. When generating a
2889 new MEM, use a mode that can hold the extraction while keeping correct
2890 alignment. Remove code that supported MEMs wrapped by USEs.
2891 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2893 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2895 * config/s390/s390.md ("Y", "y"): New mode attribute.
2896 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2897 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2898 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2899 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2900 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2901 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2902 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2903 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2904 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2905 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2906 "addsi3", "subsi3"): Insn patterns removed.
2907 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2908 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2909 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2910 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2911 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2912 "*sub<mode>3_cconly2"): New insn patterns.
2913 ("addsi3", "subsi3"): New expanders.
2915 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2917 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2918 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2919 existing STMT_VINFO_VECTYPE if available.
2920 (vect_mark_relevant): Add special handling for stmts that are
2921 marked as STMT_VINFO_IN_PATTERN_P.
2922 (vect_analyze_loop): Call vect_pattern_recog.
2923 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2924 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2926 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2927 (vect_recog_func_ptr): New function-pointer type.
2928 * tree-vect-patterns.c: New file.
2929 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2930 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2931 (vect_pattern_recog_1): New functions.
2932 (vect_pattern_recog_funcs): New array of function pointers.
2934 * tree-vectorizer.h (ternary_op): New enum value.
2935 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2936 declaration. Revised documentation. Removed redundant dump prints.
2937 Removed redundant argument. Added support for reduction patterns.
2938 (vectorizable_reduction): Added support for reduction patterns.
2939 (vect_transform_stmt): Added support for patterns.
2941 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2942 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2943 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2944 (expand_widen_pattern_expr): New function.
2945 (init_optabs): Initialize new optabs udot_prod_optab,
2947 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2948 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2949 (expand_widen_pattern_expr): New function declaration.
2950 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2952 * tree-inline.c (estimate_num_insns_1): Added cases for new
2953 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2954 * tree-pretty-print.c (dump_generic_node): Likewise.
2955 (op_prio): Likewise.
2956 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2957 * tree-ssa-operands.c (get_expr_operands): Added case for
2959 * tree-vect-patterns.c (widened_name_p): New function.
2960 (vect_recog_dot_prod_pattern): Added function implementation.
2961 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2962 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2963 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2964 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2966 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2967 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2968 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2969 (init_optabs): Initialize new optabs widen_ssum_optab,
2971 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2972 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2973 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2974 use instead of type of def.
2975 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2976 function implementation.
2977 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2978 widen_ssumv8hi): New.
2980 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2983 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2986 * c-decl.c (add_flexible_array_elts_to_size): New function.
2987 (finish_decl): Use it.
2989 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2991 * diagnostic.h: Include options.h.
2992 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2993 dependancies for diagnostic.h.
2994 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2996 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2998 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2999 (ssa_ro_call_cache_valid): Ditto.
3000 * tree-ssa-alias.c (sort_tags_by_id): New function.
3001 (init_transitive_clobber_worklist): Ditto.
3002 (add_to_worklist): Ditto.
3003 (mark_aliases_call_clobbered): Ditto.
3004 (compute_tag_properties): Ditto.
3005 (set_initial_properties): Ditto.
3006 (compute_call_clobbered): Ditto.
3007 (compute_may_aliases): Call compute_call_clobbered and grouping.
3008 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3009 (compute_flow_insensitive_aliasing): Grouping now happens in our
3011 (setup_pointers_and_addressables): Remove clobbering related code.
3012 (add_may_alias): Ditto.
3013 (replace_may_alias): Ditto.
3014 (get_nmt_for): Ditto.
3015 (create_global_var):
3016 (is_escape_site): Return an escape_type enumeration.
3017 * tree-flow-inline.h (is_call_clobbered): Global var does not
3018 imply call clobbered.
3019 (mark_call_clobbered): Take a reason for marking this. Remove
3020 marking of globalness, and cache invalidation.
3021 (clear_call_clobbered): Remove cache invalidation code.
3022 * tree-dfa.c (dump_variable): If details is on, dump the reason
3024 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3026 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3027 (struct var_ann_d): Ditto.
3028 (enum escape_type): New.
3029 (mark_call_clobbered): Adjust prototype.
3030 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3031 are never call clobbered.
3032 Record reasons for escaping.
3033 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3034 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3035 (ssa_ro_call_cache_valid): Ditto.
3036 (clobbered_v_may_defs): Ditto.
3037 (clobbered_vuses): Ditto.
3038 (ro_call_vuses): Ditto.
3039 (clobber_stats): New.
3040 (init_ssa_operands): Zero out clobber stats.
3041 (fini_ssa_operands): Print out clobber stats.
3042 (get_call_expr_operands): Pass callee fndecl to
3044 (add_call_clobber_ops): Remove use of cache.
3045 Add use of PURE_CONST information.
3046 (add_call_read_ops): Remove use of cache.
3047 Add use of static not_read information.
3049 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3051 Introduce TLS descriptors for i386 and x86_64.
3052 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3053 (TARGET_ANY_GNU_TLS): New macro.
3054 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3055 (struct machine_function): Add tls_descriptor_call_expanded_p.
3056 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3057 (ix86_current_function_calls_tls_descriptor): Likewise.
3058 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3059 (override_options): Introduce gnu2 tls dialect.
3060 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3062 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3064 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3065 (ix86_init_machine_status): Initialize new field.
3066 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3067 (ix86_tls_module_base): New.
3068 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3069 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3070 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3071 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3072 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3073 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3074 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3075 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3076 * config/i386/predicates.md (tls_modbase_operand): New.
3077 (tp_or_register_operand): New.
3079 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3081 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3082 (look_for_address_of): Ditto.
3083 (ipa_init): Walk the function decls.
3084 (static_execute): Don't set readonly on FUNCTION_DECL's.
3086 2006-01-18 Roger Sayle <roger@eyesopen.com>
3088 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3089 for shifts where the source and destination registers are different.
3091 2006-01-18 Paul Brook <paul@codesourcery.com>
3093 Merge from csl-arm-branch.
3094 2005-03-14 Julian Brown <julian@codesourcery.com>
3095 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3096 (aeabi_llsl): Likewise.
3097 (ashrdi3): Likewise.
3098 (aeabi_lasr): Likewise.
3099 (lshrdi3): Likewise.
3100 (aeabi_llsr): Likewise.
3101 2005-03-10 Julian Brown <julian@codesourcery.com>
3102 * config.gcc: Disable shared libgcc for SymbianOS.
3103 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3105 2006-01-18 DJ Delorie <dj@redhat.com>
3107 * c-pragma.c (handle_pragma_diagnostic): New.
3108 (init_pragma): Register it.
3109 * doc/extend.texi: Document it.
3111 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3112 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3113 (diagnostic_context): Add classify_diagnostic[].
3114 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3115 as errors if they're overridden to DK_WARNING.
3116 (diagnostic_initialize): Initialize classify_diagnostic[].
3117 (diagnostic_set_kind_override): New.
3118 (diagnostic_report_diagnostic): Check for kind changes.
3119 * opts.c (common_handle_option): Take lang_mask. Update callers.
3121 * common.opt (Werror=): New.
3122 * doc/invoke.texi: Document -Werror=*
3124 2006-01-18 Jeff Law <law@redhat.com>
3126 * tree-vrp.c (test_for_singularity): Correct test for new
3127 min limit. Use operand_equal_p rather than pointer equality
3128 for testing if new min/max values are equal.
3130 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3131 using range information until after propagation and folding.
3133 2006-01-18 Richard Henderson <rth@redhat.com>
3134 Aldy Hernandez <aldyh@redhat.com>
3135 Jakub Jelinek <jakub@redhat.com>
3136 Diego Novillo <dnovillo@redhat.com>
3138 * omp-low.c: New file.
3139 * c-omp.c: New file.
3141 2006-01-18 Richard Henderson <rth@redhat.com>
3142 Jakub Jelinek <jakub@redhat.com>
3143 Diego Novillo <dnovillo@redhat.com>
3145 * doc/invoke.texi: Document -fopenmp.
3146 * tree-dump.h (debug_function): Declare.
3147 * hooks.c (hook_bool_tree_bool_false): New function.
3148 (hook_tree_tree_null): Remove.
3149 (hook_tree_tree_tree_null): New.
3150 * hooks.h: Update to match.
3151 * tree-pretty-print.c (debug_tree_chain): New.
3152 (print_generic_expr): Handle TDF_CHAIN.
3153 (dump_generic_node): Handle BLOCK.
3154 Do not abort with incomplete SWITCH_EXPRs.
3155 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3156 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3157 print space after directive name.
3158 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3159 Handle OMP_MASTER and OMP_ORDERED.
3160 Handle printing of OMP_BODY just in one place, goto
3161 dump_omp_body in the rest of OMP_* nodes that have
3163 Don't handle clause nodes here. Update omp statements to
3164 use dump_omp_clauses.
3165 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3167 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3168 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3169 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3170 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3171 Adjust output for GOMP_PARALLEL.
3172 (dump_omp_clauses): New.
3173 (print_declaration): Dump DECL_VALUE_EXPR.
3174 (op_symbol_1): Split out of op_symbol.
3175 (dumping_stmts): Remove. Update all users.
3176 * cgraph.c (cgraph_analyze_queue): New.
3177 (cgraph_add_new_function): New.
3178 * cgraph.h (cgraph_analyze_queue): Declare.
3179 (cgraph_add_new_function): Declare.
3180 (cgraph_lower_function): Remove.
3181 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3182 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3183 and TYPE_P nodes in its default clause.
3184 (empty_body_p): New.
3185 (tree_range_check_failed): New.
3187 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3188 OMP_CLAUSE_REDUCTION_MERGE,
3189 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3190 OMP_CLAUSE_PRIVATE_DEBUG,
3191 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3192 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3193 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3194 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3195 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3196 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3197 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3198 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3199 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3200 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3201 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3202 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3203 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3204 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3205 (TREE_RANGE_CHECK): New.
3206 (empty_body_p): Declare.
3207 (enum omp_clause_default_kind): New.
3208 (build_string_literal): Declare.
3209 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3210 (build5_stat, build5): Declare.
3211 * tree-pass.h (TDF_CHAIN): Define.
3212 * tree-pass.h (PROP_gimple_lomp): Define.
3213 (pass_lower_omp): Declare.
3214 * diagnostic.h (debug_tree_chain): Declare.
3215 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3217 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3218 * builtins.c (build_string_literal): Make extern.
3219 * gcc.c (include_spec_function): New.
3220 (static_spec_functions): Add it.
3221 (main): Move load of libgomp.spec ...
3222 (LINK_COMMAND_SPEC): ... here.
3223 (link_gomp_spec): New.
3224 (static_specs): Include it.
3225 (LINK_COMMAND_SPEC): Add link_gomp.
3226 (GOMP_SELF_SPECS): New.
3227 (driver_self_specs): Include it.
3228 (switch_matches): Don't mark inline.
3229 (main): Load libgomp.spec.
3230 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3231 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3232 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3233 * tree-gimple.h (enum omp_parallel): Declare.
3234 (determine_parallel_type): Declare.
3235 (omp_firstprivatize_variable): Declare.
3236 (omp_reduction_init): Declare.
3237 (diagnose_omp_structured_block_errors): Declare.
3238 (struct walk_stmt_info): Add want_return_expr.
3239 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3240 (find_omp_clause): Declare.
3241 (insert_field_into_struct): Declare.
3242 (struct walk_stmt_info): Move from tree-nested.c
3243 (walk_stmts): Declare.
3244 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3246 * cgraphunit.c (cgraph_lower_function): Make static.
3247 (cgraph_finalize_pending_functions): New.
3248 (cgraph_finalize_function): Call it.
3249 (cgraph_finalize_compilation_unit): Likewise.
3250 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3251 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3252 (BT_FN_UINT_UINT): New.
3253 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3254 DEF_FUNCTION_TYPE_VAR_4): Document.
3255 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3256 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3257 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3258 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3259 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3260 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3261 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3262 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3263 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3264 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3265 into separate files.
3266 (DEF_GOMP_BUILTIN): New.
3267 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3268 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3269 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3270 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3271 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3272 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3273 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3274 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3275 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3276 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3277 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3278 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3279 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3280 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3281 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3282 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3283 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3284 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3285 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3286 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3287 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3288 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3289 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3290 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3291 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3292 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3293 * sync-builtins.def: New file, moved from builtins.def.
3294 * omp-builtins.def: New file, moved from builtins.def.
3295 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3296 * gimple-low.c (lower_function_body): Clear data.
3297 (lower_stmt): Do not handle COMPOUND_EXPR.
3298 Remove call to print_node_brief.
3299 * c-tree.h (c_finish_omp_clauses): New prototype.
3300 (C_DECL_THREADPRIVATE_P): Define.
3301 (lookup_name_no_remap, c_omp_remap_private): Remove
3302 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3303 (check_for_loop_decls): Update decl.
3304 (lookup_name_no_remap, c_omp_remap_private): Declare.
3305 (build_indirect_ref, build_modify_expr, pushdecl,
3306 pushdecl_top_level): Move to c-common.h.
3307 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3308 before the switch, but just in the 2 places that need it.
3309 * c-decl.c (diagnose_mismatched_decls): Do not check for
3310 mismatched thread-local attributes when OLDDECL is marked
3311 threadprivate and NEWDECL has no thread-local attributes.
3312 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3313 (c_gimple_diagnostics_recursively): Rename from
3314 c_warn_unused_result_recursively. Invoke
3315 diagnose_omp_structured_block_errors.
3316 (check_for_loop_decls): Return a singular decl found.
3317 * langhooks.c (lhd_omp_predetermined_sharing): Return
3318 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3319 (lhd_omp_firstprivatize_type_sizes): New.
3320 (lhd_omp_assignment): New.
3321 (lhd_omp_predetermined_sharing): New.
3322 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3323 (struct lang_hooks_for_types): Add
3324 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3325 omp_predetermined_sharing, omp_disregard_value_expr,
3326 omp_private_debug_clause, omp_clause_default_ctor,
3327 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3328 (c_finish_omp_clauses): New.
3329 (c_finish_bc_stmt): Diagnose break within omp for.
3330 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3331 (build_unary_op): Return error_mark after reporting
3333 (build_modify_expr): Likewise.
3334 * gimplify.c: Include optabs.h and pointer-set.h.
3335 (enum gimplify_omp_var_data): Declare.
3336 (struct gimplify_omp_ctx): Declare.
3337 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3339 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3340 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3341 (splay_tree_compare_decl_uid): New.
3342 (new_omp_context): New.
3343 (delete_omp_context): New.
3344 (gimple_add_tmp_var): Call omp_add_variable.
3345 (gimplify_bind_expr): Likewise.
3346 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3347 true, disregard DECL_VALUE_EXPR on the decl if any.
3348 (gimplify_expr_in_ctx): New.
3349 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3350 omp_add_variable, omp_notice_variable, omp_is_private
3351 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3352 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3353 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3354 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3355 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3356 gimplify_omp_atomic): New.
3357 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3358 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3359 OMP_CRITICAL and OMP_ATOMIC.
3360 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3361 * c-pragma.h (enum pragma_kind): Add
3362 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3363 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3364 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3365 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3366 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3367 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3368 PRAGMA_OMP_THREADPRIVATE.
3369 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3370 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3371 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3372 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3373 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3374 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3375 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3376 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3377 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3378 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3379 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3380 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3381 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3383 (struct nesting_info): Add field_map,
3384 suppress_expansion, debug_var_chain.
3385 (create_nesting_tree): Initialize them.
3386 (lookup_field_for_decl): Use field_map.
3387 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3388 (convert_local_omp_clauses): New.
3389 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3390 (walk_body): Split out of walk_function.
3391 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3392 (convert_nonlocal_reference): Handle omp statements.
3393 (convert_local_reference): Likewise.
3394 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3395 (unnest_nesting_tree): New.
3396 (lower_nested_functions): Call it.
3397 (insert_field_into_struct): Make extern.
3398 (struct walk_stmt_info): Move to tree-gimple.h.
3399 (walk_stmts): Make extern.
3400 * omp-builtins.def: New file.
3401 * tree-iterator.c (expr_only): Clarify comment.
3402 * c-common.h (pushdecl_top_level, pushdecl,
3403 build_modify_expr, build_indirect_ref,
3404 c_finish_omp_master, c_finish_omp_critical,
3405 c_finish_omp_ordered, c_finish_omp_barrier,
3406 c_finish_omp_atomic, c_finish_omp_flush,
3407 c_finish_omp_for, c_split_parallel_clauses,
3408 omp_clause_default_kind, c_omp_sharing_predetermined,
3409 c_omp_remap_decl): Declare.
3410 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3411 (OBJS-common): Add omp-low.o.
3412 (c-omp.o, omp-low.o): Add.
3413 (gimplify.o): Add dependency on $(OPTABS_H).
3414 (GTFILES): Add omp-low.c.
3415 (gt-stringpool.h): Add.
3416 * tree-cfg.c (set_bb_for_stmt): Do not update the
3417 block-to-labels map if we are currently expanding to RTL.
3418 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3420 Handle IDENTIFIER_NODE.
3421 (tree_verify_flow_info): Do not ICE when emitting error
3422 messages about invalid labels.
3423 (dump_function_to_file): Reset CFUN before emitting the body
3425 (debug_function): New.
3426 * passes.c (init_optimization_passes): Schedule
3428 * langhooks-def.h (lhd_omp_predetermined_sharing,
3429 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3431 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3432 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3433 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3434 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3435 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3436 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3437 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3438 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3439 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3440 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3441 (LANG_HOOK_DECLS): Use them.
3443 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3444 Richard Henderson <rth@redhat.com>
3445 Jakub Jelinek <jakub@redhat.com>
3446 Diego Novillo <dnovillo@redhat.com>
3448 * c-parser.c (pragma_omp_clause): Define.
3449 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3450 (c_parser_compound_statement): Likewise.
3451 (c_parser_statement): Likewise.
3452 (c_parser_pragma): Handle omp pragmas.
3453 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3454 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3455 (c_parser_omp_clause_name, check_no_duplicate_clause,
3456 c_parser_omp_variable_list,
3457 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3458 c_parser_omp_clause_copyprivate,
3459 c_parser_omp_clause_default,
3460 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3461 c_parser_omp_clause_lastprivate,
3462 c_parser_omp_clause_nowait,
3463 c_parser_omp_clause_num_threads,
3464 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3465 c_parser_omp_clause_reduction,
3466 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3467 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3468 c_parser_omp_atomic, c_parser_omp_barrier,
3469 c_parser_omp_critical, c_parser_omp_flush,
3470 c_parser_omp_for_loop, c_parser_omp_for,
3471 c_parser_omp_master, c_parser_omp_ordered,
3472 c_parser_omp_sections_scope, c_parser_omp_sections,
3473 c_parser_omp_parallel, c_parser_omp_single,
3474 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3475 * c-pragma.c (init_pragma): Do omp pragma registration here.
3476 * c.opt (fopenmp): New flag.
3478 2006-01-18 Eric Christopher <echristo@apple.com>
3480 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3481 * config/darwin.h (GOMP_SELF_SPECS): Define.
3483 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3485 * rtl.h: Remove the prototype for reg_alloc.
3487 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3490 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3491 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3492 sjlj and dwarf2 exception handling.
3493 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3494 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3495 * pa/pa.c (function_value): Treat complex and vector types as
3497 (function_arg): Likewise. Only pass scalar floats in the floating
3498 point argument registers.
3499 * pa/t-slibgcc-dwarf-ver: New file.
3500 * pa/t-slibgcc-sjlj-ver: New file.
3501 * pa/t-slibgcc-elf-ver: Delete file.
3503 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3505 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3506 unlikely_test_section_p test.
3508 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3510 * mode-switching.c (optimize_mode_switching): Make it static.
3511 * basic-block.h: Remove the prototype for
3512 optimize_mode_switching.
3514 * modulo-sched.c (sms_schedule): Make it static.
3515 * rtl.h: Remove the prototype for sms_schedule.
3517 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3518 * rtl.h: Remove the prototype for gcse_after_reload_main.
3520 * reg-stack.c (reg_to_stack): Make it static.
3521 * rtl.h: Remove the prototype for reg_to_stack.
3523 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3525 * rtl.h: Remove the prototypes for regrename_optimize and
3526 copyprop_hardreg_forward.
3528 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3530 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3531 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3532 Test against the appropriate null constant for the mode.
3533 If 'fixup_overlap' is true, swap the operands if they overlap.
3534 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3535 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3536 alpha_split_tmode_pair and adjust for above change.
3537 * config/alpha/alpha.md (movtf_internal): Adjust call to
3538 alpha_split_tfmode_pair and rely on it to swap the operands.
3539 (movti_internal): New insn and post-reload splitter.
3540 (movti): New expander.
3542 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3544 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3547 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3549 * rtlanal.c (global_reg_mentioned_p_1,
3550 global_reg_mentioned_p): Remove.
3551 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3553 * flow.c (initialize_uninitialized_subregs): Make it static.
3554 * rtl.h: Remove the prototype for
3555 initialize_uninitialized_subregs.
3557 * function.c (instantiate_virtual_regs): Make it static.
3558 * function.h: Remove the prototype for
3559 instantiate_virtual_regs.
3561 * regmove.c (regmove_optimize, combine_stack_adjustments):
3563 * rtl.h: Remove the prototypes for regmove_optimize and
3564 combine_stack_adjustments.
3566 2006-01-17 Roger Sayle <roger@eyesopen.com>
3568 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3569 (size_cost): Encode costs in bytes so that a reg-reg addition is
3570 equivalent to COSTS_N_INSNS(1).
3571 (override_options): Use the size_cost.branch_cost as the default
3572 ix86_branch_cost when optimizing for size.
3574 2006-01-18 Ben Elliston <bje@au.ibm.com>
3576 * Makefile.in (D32PBIT_FUNCS): New.
3577 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3578 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3579 D64PBIT_FUNCS and D128PBIT_FUNCS.
3580 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3581 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3583 (decnumber_dep): Define.
3584 * doc/libgcc.texi (Decimal float library routines): New node.
3585 * config/dfp-bit.h, config/dfp-bit.c: New files.
3587 2006-01-18 Ben Elliston <bje@au.ibm.com>
3589 * expr.c (emit_move_change_mode): Always adjust addresses, not
3590 just during reload. Copy replacements only during reload.
3591 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3592 emit_move_via_integer.
3594 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3596 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3597 instead of $(srcdir) and ${srcdir}.
3599 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3603 * arm.h (struct machine_function): Add pic_reg.
3604 * arm.c (arm_pic_register): Make unsigned.
3605 (arm_override_options): Only set arm_pic_register if
3606 TARGET_SINGLE_PIC_BASE.
3607 (use_return_insn): Only test for a pic register if it is fixed.
3608 (arm_compute_save_reg0_reg12_mask): Likewise.
3609 (thumb_compute_save_reg_mask): Likewise.
3610 (legitimate_pic_operand): Factor out some known invariants.
3611 (legitimize_pic_address): If we don't have a fixed pic register,
3612 then set up a pseudo in the function entry sequence. Handle the
3613 pic base being in a pseudo.
3614 (arm_load_pic_register): Handle the pic register being in a pseudo.
3615 (arm_expand_prologue): Only set up the pic register if it is fixed.
3616 (thumb_expand_prologue): Likewise.
3617 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3618 (pic_load_addr_based_insn): Likewise.
3619 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3622 2006-01-18 Ben Elliston <bje@au.ibm.com>
3624 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3625 decimal float modes for all floating point registers.
3627 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3628 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3630 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3633 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3634 even when the pointer is not NULL.
3636 2006-01-16 Ian Lance Taylor <ian@airs.com>
3638 * common.opt (ftoplevel-reorder): New option.
3639 * cgraph.c (cgraph_asm_nodes): New global variable.
3640 (cgraph_asm_last_node): New static variable.
3641 (cgraph_order): New global variable.
3642 (cgraph_create_node): Set new order field.
3643 (cgraph_varpool_node): Likewise.
3644 (decide_is_variable_needed): Return true if not
3645 flag_toplevel_reorder.
3646 (cgraph_add_asm_node): New function.
3647 * cgraph.h (struct cgraph_node): Add order field.
3648 (struct cgraph_varpool_node): Add order field.
3649 (struct cgraph_asm_node): Define.
3650 (cgraph_asm_nodes, cgraph_order): Declare.
3651 (cgraph_add_asm_node): Declare.
3652 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3654 (cgraph_varpool_assemble_pending_decls): Call it.
3655 (cgraph_output_pending_asms): New static function.
3656 (cgraph_finalize_compilation_unit): Call it.
3657 (struct cgraph_order_sort): Define.
3658 (cgraph_output_in_order): New static function.
3659 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3660 !flag_toplevel_reorder case.
3661 * c-parser.c: Include "cgraph.h".
3662 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3664 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3665 than -fno-unit-at-a-time.
3666 * doc/invoke.texi (Option Summary): Mention
3667 -fno-toplevel-reorder.
3668 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3669 -funit-at-a-time documentation.
3671 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3672 Kazu Hirata <kazu@codesourcery.com>
3674 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3676 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3678 * Makefile.in (FUNCTION_H): New. Use it instead of
3679 function.h throughout the file.
3680 * function.h: Include tree.h.
3682 2006-01-17 Ben Elliston <bje@au.ibm.com>
3684 * recog.c: Separate some functions with whitespace.
3686 2006-01-16 Richard Henderson <rth@redhat.com>
3688 Merge from gomp branch:
3689 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3690 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3691 and rename from struct inline_data. Rename callee* to dst*;
3692 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3693 transform_new_cfg, transform_return_to_modify, and
3694 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3696 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3697 (copy_decl_for_dup): Remove.
3698 * tree-inline.c (struct inline_data): Move to header.
3699 (insert_decl_map): Export.
3700 (remap_decl): Update for member name changes. Use copy_decl hook.
3701 Allow for replacement to be a non-decl. Remove dead code.
3702 (remap_type_1): Check for existing mapping.
3703 (remap_type): Export.
3704 (remap_decls): Update for member name changes.
3705 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3706 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3707 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3708 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3709 (tree_function_versioning, build_duplicate_type): Likewise.
3710 (copy_body_r): Likewise. Export.
3711 (copy_decl_for_dup): Split into ...
3712 (copy_decl_for_dup_finish, copy_decl_to_var,
3713 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3714 (replace_ref_tree, inlining_p): Remove.
3716 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3718 * ifcvt.c (if_convert): Make it static.
3719 * rtl.h: Remove the prototype for if_convert.
3721 * local-alloc.c (local_alloc): Make it static.
3722 * rtl.h: Remove the prototype for local_alloc.
3724 * loop.c (loop_optimize): Make it static.
3725 * cfgloop.h: Remove the prototype for loop_optimize.
3728 2006-01-16 DJ Delorie <dj@redhat.com>
3730 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3733 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3735 * pa.md: Disparage copies between general and floating-point registers
3736 in 32-bit move patterns.
3738 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3741 * Makefile.in (check-%): Depend on site.exp instead of
3742 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3745 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3747 * global.c (global_alloc): Make it static.
3748 * rtl.h: Remove the prototype for global_alloc.
3750 2006-01-16 Richard Guenther <rguenther@suse.de>
3752 * tree-ssa-alias.c (struct used_part): Add write_only field.
3753 (get_or_create_used_part_for): Initialize it to true.
3754 (create_overlap_variables_for): Don't create structure variables
3755 for structures that only are written to.
3756 (find_used_portions): Handle MODIFY_EXPR to track whether a
3757 structure is only written to.
3759 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3761 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3763 * basic-block.h: Remove the prototype for
3764 partition_hot_cold_basic_blocks.
3766 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3768 * cppspec.c (lang_specific_spec_functions): Remove.
3769 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3770 * gcc.h (lang_specific_spec_functions): Remove.
3771 * gccspec.c (lang_specific_spec_functions): Remove.
3773 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3775 * combine.c (record_value_for_reg): Invalidate registers
3777 (record_dead_and_set_regs_1): Likewise, by passing them to
3778 record_value_for_reg.
3779 (record_dead_and_set_regs): Invalidate stores made by a
3780 call. We do not combine across a call, but we still
3781 relied on equivalences.
3783 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3785 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3786 vrp_int_const_binop returning non-constant nodes.
3788 2006-01-16 Paul Brook <paul@codesourcery.com>
3790 * config/m68k/m68k.c (output_move_const_into_data_reg):
3791 Output correct mnemonic for mvz and mvs.
3793 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3795 * rtl-factoring.c: Add sequence abstraction algorithm.
3796 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3797 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3799 (block_has_preserve_label): New function.
3800 * common.opt: Register new pass.
3801 * Makefile.in: Ditto.
3803 * timevar.def: Ditto.
3804 * tree-pass.h: Ditto.
3805 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3806 * rtl.h (make_jump_insn_raw): Add forward decl.
3807 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3809 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3810 Roger Sayle <roger@eyesopen.com>
3812 * fold-const.c (fold_minmax): New static function.
3813 (fold_binary) <MIN_EXPR>: Call it.
3814 <MAX_EXPR>: Likewise.
3815 * stor-layout.c (place_field): Use DECL_SIZE consistently
3816 in the computation of the new record size.
3818 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3820 * cse.c (cse_condition_code_reg): Make it static.
3821 * rtl.h: Remove the prototype for cse_condition_code_reg.
3823 * combine.c (combine_instructions): Make it static.
3824 * rtl.h: Remove the prototype for combine_instructions.
3826 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3829 * tree.c (get_file_function_name_long): Concatenate the first global
3830 object name with a string derived from the input filename of the object
3833 2006-01-16 Ben Elliston <bje@au.ibm.com>
3835 * config/i386/winnt-stubs.c: Update FSF address.
3836 * config/xtensa/ieee754-df.S: Ditto.
3837 * config/xtensa/ieee754-sf.S: Ditto.
3839 2006-01-14 Ian Lance Taylor <ian@airs.com>
3841 * ifcvt.c (noce_init_if_info): New static function, broken out of
3842 noce_process_if_block.
3843 (noce_process_if_block): Call noce_init_if_info.
3844 (check_cond_move_block): New static function.
3845 (cond_move_process_if_block): New static function.
3846 (process_if_block): Call cond_move_process_if_block.
3848 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3850 * cselib.c (hash_table): Rename to cselib_hash_table.
3851 (cselib_clear_table, discard_useless_values,
3852 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3853 cselib_init, cselib_finish): Adjust uses of hash_table.
3855 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3857 PR tree-optimization/25485
3858 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3859 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3860 is known to be false and true, respectively.
3862 2006-01-14 Richard Guenther <rguenther@suse.de>
3864 PR tree-optimization/22548
3865 PR tree-optimization/22555
3866 PR tree-optimization/22501
3867 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3868 * params.def (salias-max-array-elements): New parameter.
3869 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3870 * doc/invoke.texi (salias-max-array-elements): Document.
3871 * tree-flow-inline.h (var_can_have_subvars): We also handle
3873 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3875 * tree-ssa-structalias.c (params.h): Include.
3876 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3877 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3878 (get_constraint_for): For ADDR_EXPR operating on something
3879 containing an ARRAY_REF, add all subvars to the solution.
3880 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3881 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3882 for creating MUST_DEFs.
3883 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3885 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3887 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3889 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3890 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3891 number_of_iterations_le): New functions.
3892 (number_of_iterations_special): Removed.
3893 (number_of_iterations_exit): Do not use number_of_iterations_special.
3894 * tree.c (unsigned_type_for): Always return integer type.
3896 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3897 Richard Guenther <rguenther@suse.de>
3899 PR rtl-optimization/24257
3900 * gcse.c (find_moveable_store): Only consider a store movable
3901 when the SET_SRC of the insn can be assigned to a register.
3903 2006-01-14 Ian Lance Taylor <ian@airs.com>
3905 * tree.c (tree_not_class_check_failed): New function.
3906 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3907 (tree_not_class_check_failed): Declare.
3909 2006-01-13 Ian Lance Taylor <ian@airs.com>
3911 * reload1.c (do_output_reload): Add assertion rejecting a
3914 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3916 * combine.c (struct reg_stat): Add new fields truncation_label and
3918 (record_value_for_reg): Reset truncated_to_mode.
3919 (record_truncated_value): New function.
3920 (check_promoted_subreg): Call it. Rename to check_conversions.
3921 (combine_instructions): Rename check_promoted_subreg to
3923 (reg_truncated_to_mode): New function.
3924 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3925 (gen_lowpart_or_truncate): New function.
3926 (force_to_mode): Use it instead of gen_lowpart.
3928 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3930 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3931 VAR is a tag, not its type tag.
3933 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3935 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3936 alternatives to match style of other entries.
3937 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3939 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3941 PR tree-optimization/25771
3942 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3945 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3948 * tree-inline.c (declare_return_variable): If the return variable
3949 was marked as a non gimple complex, set the return slot variable
3950 to be a non gimple comple variable.
3952 2006-01-13 Richard Guenther <rguenther@suse.de>
3954 * builtins.c (expand_builtin_sincos): New function.
3955 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3957 (expand_builtin): Expand sincos using expand_builtin_sincos.
3959 2006-01-12 DJ Delorie <dj@redhat.com>
3961 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3962 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3963 so that constant shifts can be split.
3964 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3965 (m32c_valid_pointer_mode): Make static.
3966 (shift_gen_func_for): New.
3967 (m32c_prepare_shift): Use it. Split large const shifts into
3969 * config/m32c/predicates.md (shiftcount_operand): Allow more
3971 (longshiftcount_operand): New.
3972 * doc/md.texi (Machine Constraints): Document In6.
3974 2006-01-13 Ben Elliston <bje@au.ibm.com>
3976 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3977 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3980 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3982 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3983 to try to avoid clobbering pieces of structures when we know
3984 something about the whole structure.
3985 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3987 2006-01-13 Ben Elliston <bje@au.ibm.com>
3989 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3990 return in memory, as this is no limitation is no longer present.
3992 2006-01-12 DJ Delorie <dj@redhat.com>
3994 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3995 mova with fb, and for fb+0 -> An.
3997 * config/m32c/mov.md (peephole2): Fix enabling logic.
3999 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4000 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4001 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4002 FINI_ARRAY_SECTION_ASM_OP): Define.
4004 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4006 (m32c_legitimize_reload_address): New logic to reload FB to An.
4007 (m32c_output_reg_push): Add newline.
4008 (m32c_output_reg_pop): Likewise.
4010 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4012 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4014 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4016 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4018 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4020 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4023 2006-01-11 Ben Elliston <bje@au.ibm.com>
4025 * rtlanal.c (find_reg_note): Assert insn is not null.
4027 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4029 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4032 2006-01-11 Jeff Law <law@redhat.com>
4034 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4036 (mark_threaded_blocks, register_jump_thread): New functions.
4037 (thread_through_all_blocks): Remove unwanted argument. No
4038 longer rely on e->aux to communicate thread target info.
4039 Call mark_threaded_blocks. Release the threaded_blocks
4040 bitmap and threaded_edges vector when complete.
4041 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4042 (threaded_blocks): Remove.
4043 (tree_ssa_dominator_optimize): Remove initialization and
4044 finalization of threaded_blocks. Simplify call to
4045 thread_through_all_blocks.
4046 (thread_across_edge): Call register_jump_thread rather than
4047 storing thread information into e->aux.
4048 (free_all_edge_infos): Simplify now that e->aux is no longer
4049 used to communicate with thread_through_all_blocks.
4050 * tree-flow.h (thread_through_all_blocks): Update prototype.
4051 (register_jump_thread): Prototype.
4053 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4055 * df-core.c (df_compact_blocks, df_bb_replace): Use
4056 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4058 2006-01-11 Richard Guenther <rguenther@suse.de>
4060 PR tree-optimization/25734
4061 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4062 stop propagation after successful propagation to the LHS.
4064 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4066 * basic-block.h (control_flow_graph): Change the type of
4067 x_basic_block_info to VEC(basic_block,gc) *.
4068 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4070 (SET_BASIC_BLOCK): New.
4071 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4072 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4073 * cfgbuild.c (find_basic_blocks): Likewise.
4074 * cfglayout.c (fixup_reorder_chain): Likewise.
4075 * cfgrtl.c (create_basic_block_structure,
4076 rtl_create_basic_block): Likewise.
4077 * ifcvt.c (find_if_case_1): Likewise.
4078 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4081 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4083 * Makefile.in: Removed rotted odf.c entry.
4085 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4088 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4089 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4090 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4091 output pattern modifier, not %e.
4092 * config/cris/cris.c (cris_op_str): Update comment about pattern
4094 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4095 before falling through into...
4096 <case 'E'>: Redefined from old 'e' case.
4098 2006-01-11 Jan Hubicka <jh@suse.cz>
4101 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4103 2006-01-11 Jan Hubicka <jh@suse.cz>
4105 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4106 * i386.c (x86_decompose_lea): Kill.
4107 (ix86_rtx_costs): Kill.
4109 2006-01-11 Jan Hubicka <jh@suse.cz>
4111 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4112 * cgraph.h (cgraph_node): Add inline_decl.
4113 (cgraph_insert_node_to_hashtable): Declare.
4114 (save_inline_function_body): Declare.
4115 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4117 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4118 (cgraph_function_versioning): Update call of tree_function_versioning.
4119 (save_inline_function_body): New function.
4120 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4121 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4122 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4123 (cgraph_default_inline_p): Likewise.
4124 (cgraph_decide_inlining_incrementally): Likewise.
4125 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4126 (copy_bb): Kill saving; do updating of clones.
4127 (copy_cfg_body): Kill saving.
4128 (initialize_inlined-parameters): Likewise.
4129 (expand_call_inline): Likewise.
4131 (tree_function_versioning): New parameter "update_clones".
4132 (inlining_p): Kill saving.
4133 * tree-inline.h (tree_function_versioning): Update prototype.
4134 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4137 2006-01-11 Ian Lance Taylor <ian@airs.com>
4139 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4140 Allow undoing set of machine mode.
4141 (do_SUBST): Use enums instead of is_int.
4142 (do_SUBST_MODE): New function.
4143 (SUBST_MODE): New macro.
4144 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4145 reg and trying to replace reg_regno_rtx with a new register.
4146 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4147 (simplify_set): Use SUBST_MODE.
4148 (distribute_notes): Remove code that tried to update reg notes
4149 for regno_reg_rtx changes.
4151 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4153 PR tree-optimization/23109
4154 PR tree-optimization/23948
4155 PR tree-optimization/24123
4157 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4158 * tree-cfg.c (single_noncomplex_succ): New.
4159 * tree-flow.h (single_noncomplex_succ): Declare it.
4160 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4161 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4162 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4163 insert_bb, register_division_in, insert_reciprocals,
4164 replace_reciprocal, free_bb): New.
4165 (execute_cse_reciprocals_1): Rewritten.
4166 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4167 Do not commit any edge insertion. Always compute dominators and
4168 create the allocation pool.
4169 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4170 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4171 * targhooks.c (default_min_divistions_for_recip_mul): New.
4172 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4173 * passes.c (init_optimization_passes): Run recip after tree loop
4175 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4177 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4178 Kenneth Zadeck <zadeck@naturalbridge.com>
4180 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4181 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4182 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4183 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4184 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4185 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4186 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4187 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4188 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4189 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4190 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4191 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4192 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4193 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4194 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4195 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4196 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4197 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4198 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4199 DF_SCAN_POST_ALLOC): New macros.
4200 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4201 df_free_bb_function, df_local_compute_function, df_init_function,
4202 df_dataflow_function, df_confluence_function_0,
4203 df_confluence_function_n, df_transfer_function,
4204 df_finalizer_function, df_free_function, df_dump_problem_function,
4205 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4206 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4207 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4208 df_urec_bb_info, ) New types.
4209 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4211 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4212 df_analyze_simple_change_some_blocks,
4213 df_analyze_simple_change_one_block, df_compact_blocks,
4214 df_bb_replace, df_bb_regno_last_use_find,
4215 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4216 df_insn_regno_def_p, df_find_def, df_find_use,
4217 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4218 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4219 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4220 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4221 debug_df_chain, df_get_dependent_problem, df_chain_create,
4222 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4223 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4224 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4225 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4226 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4227 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4228 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4229 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4230 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4231 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4232 df_reorganize_refs, df_set_state, df_hard_reg_init,
4233 df_read_modify_subreg_p) New public functions.
4234 * df-core.c: The core dataflow solver and glue routines for rtl
4236 (df_init, df_add_problem, df_set_blocks, df_finish,
4237 df_hybrid_search_forward, df_hybrid_search_backward,
4238 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4239 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4240 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4241 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4242 df_reg_defined, df_find_use, df_reg_used, df_dump,
4243 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4244 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4245 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4246 debug_df_useno, reset_df_after_reload): New functions.
4247 * df-scan.c: The scanning fuctions, once in df.c, completely
4248 rewritten so that they now fully model the functionality of
4249 register usage at the backend.
4250 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4251 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4252 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4253 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4254 df_get_artificial_defs, df_get_artificial_uses,
4255 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4256 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4257 df_refs_delete, df_reorganize_refs, df_set_state,
4258 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4259 df_def_record_1, df_defs_record, df_uses_record,
4260 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4261 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4262 df_record_exit_block_uses, df_hard_reg_init): New functions.
4264 * df-problems.c: Seven concrete dataflow problems that use the
4265 scanning in df-scan.c and are solved by the engine in df-core.c.
4266 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4267 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4268 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4269 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4270 df_ru_free_bb_info, df_ru_alloc,
4271 df_ru_bb_local_compute_process_def,
4272 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4273 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4274 df_ru_transfer_function, df_ru_free, df_ru_dump,
4275 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4276 df_rd_free_bb_info, df_rd_alloc,
4277 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4278 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4279 df_rd_transfer_function, df_rd_free, df_rd_dump,
4280 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4281 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4282 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4283 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4284 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4285 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4286 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4287 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4288 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4289 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4290 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4291 df_urec_mark_reg_use_for_earlyclobber,
4292 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4293 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4294 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4295 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4296 df_chain_create_bb_process_use, df_chain_create_bb,
4297 df_chain_finalize, df_chain_free, df_chains_dump,
4298 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4299 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4300 df_reg_lifetime): New functions.
4301 * df.c: Deleted file.
4302 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4303 consistent with new df api.
4304 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4305 rest_of_handle_sms): Ditto.
4306 * web.c (unionfind_union, union_defs, entry_register, web_main):
4308 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4309 invariant_expr_equal_p, find_defs, check_dependencies,
4310 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4311 free_inv_motion_data, move_loop_invariants): Ditto.
4312 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4313 Update dependencies.
4314 (odf.c): Added defective entry that was deleted later in day.
4315 * sched-deps.c (sched_analyze_1): Ditto.
4317 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4319 * tree-ssa-operands.c (get_expr_operands): Record addressable
4320 variables directly. Do not call add_stmt_operands for CONST_DECLs
4322 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4323 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4325 2006-01-11 Ben Elliston <bje@au.ibm.com>
4327 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4328 function returns true in the positive case.
4330 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4333 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4334 for SI, DI, SF and DF modes. Add alternatives to copy between
4335 general and floating point registers to the 32-bit patterns.
4336 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4337 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4338 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4339 generating 64-bit code.
4340 * config/pa/pa.c (output_move_double): Handle copies between general
4341 and floating registers.
4343 2006-01-10 Stuart Hastings <stuart@apple.com>
4345 * config/i386/i386.md (set_got): Update.
4346 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4347 (builtin_setjmp_receiver): Mach-O support.
4348 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4349 (GOT_SYMBOL_NAME): Define.
4350 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4351 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4352 * config/i386/i386.c (override_options): Revise for Darwin.
4353 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4354 support. (darwin_x86_file_end): New. (output_set_got): Add label
4355 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4356 * config/i386/i386-protos.h (output_set_got): Likewise.
4357 * config/darwin.c (machopic_legitimize_pic_address): Update
4360 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4362 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4363 when MODE isn't BLKmode.
4365 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4367 PR rtl-optimization/25367
4368 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4370 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4373 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4374 for a negative bound.
4376 2006-01-10 Richard Guenther <rguenther@suse.de>
4378 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4379 Never override with anything constraint.
4381 2006-01-10 Jan Beulich <jbeulich@novell.com>
4383 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4384 256 bits when optimize_size.
4386 2006-01-10 Jan Beulich <jbeulich@novell.com>
4388 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4390 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4391 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4394 2006-01-10 Ben Elliston <bje@au.ibm.com>
4396 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4398 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4399 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4400 (USE_FP_FOR_ARG): Reject decimal float modes.
4401 (function_arg_advance): Likewise.
4402 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4403 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4404 point types in AltiVec vectors.
4405 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4406 (rs6000_libcall_value): Likewise.
4408 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4410 * config/xtensa/ieee754-df.S: New file.
4411 * config/xtensa/ieee754-sf.S: New file.
4412 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4413 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4414 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4416 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4418 * config/sh/predicates.md (binary_float_operator,
4419 binary_logical_operator, commutative_float_operator,
4420 equality_comparison_operator, greater_comparison_operator,
4421 less_comparison_operator, logical_operator,
4422 noncommutative_float_operator, shift_operator,
4423 symbol_ref_operand, unary_float_operator): Remove redundant
4426 2006-01-09 Jeff Law <law@redhat.com>
4428 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4429 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4430 now unused arguments. Callers updated.
4431 (eliminate_redundant_computations): Remove now unused arguments,
4433 (local_fold): Remove, no longer used.
4434 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4436 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4437 (simplify_cond): New function.
4438 (forward_propagate_into_cond): Call simplify_cond.
4440 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4442 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4443 (*vec_extractv2di_1_sse): New.
4445 2006-01-09 Ben Elliston <bje@au.ibm.com>
4447 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4449 2006-01-08 Richard Guenther <rguenther@suse.de>
4451 * tree-ssa-structalias.c (get_constraint_for): Remove
4453 (get_constraint_for_component_ref): Likewise.
4454 (do_deref): Likewise.
4455 (get_constraint_for): Likewise.
4456 (do_structure_copy): Likewise.
4457 (handle_ptr_arith): Likewise.
4458 (find_func_aliases): Likewise. Remove unused need_anyoffset
4461 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4462 Kaz Kojima <kkojima@gcc.gnu.org>
4464 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4465 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4466 (EXTRA_CONSTRAINT_C16): Remove.
4467 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4468 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4469 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4470 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4471 constants of SHmedia. Handle nested constant expressions of
4473 (andcosts): Fix the costs for SHmedia constants.
4474 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4475 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4476 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4477 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4478 (movv4hi_i, movv2si_i): Likewise.
4479 (movsi_const): Adjust the second operand of ior so to match with
4481 (movdi_const, movdi_const_32bit): Likewise.
4482 (movdi_const_16bit+1): Don't sign-extend LOW.
4483 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4485 (*double_shori): Fix the split condition. Use GEN_INT instead
4486 of get_int_mode calls. Mask lower 16-bit of the argument of
4488 (sym2GOTPLT): Remove.
4489 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4491 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4492 instead of EXTRA_CONSTRAINT_C16.
4494 2006-01-07 Ian Lance Taylor <ian@airs.com>
4495 David Edelsohn <edelsohn@gnu.org>
4497 PR rtl-optimization/25662
4498 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4499 for constant operands instead of simplify_gen_binary.
4500 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4501 after trying simplify_binary_operation
4503 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4505 * tree.c (iterative_hash_expr): Hash decls based on UID.
4507 2006-01-06 Eric Christopher <echristo@apple.com>
4509 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4510 (TARGET_UNWIND_EMIT): Fix spelling.
4511 * target.h (gcc_target): Add except_table_label.
4512 * except.c (output_function_exception_table): Use.
4513 * varasm.c (default_emit_except_table_label): New.
4514 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4516 (asm_out): Add here.
4517 * output.h (default_emit_except_table_label): Prototype.
4518 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4519 * config/darwin.c (darwin_emit_except_table_label): Define.
4520 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4522 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4524 PR tree-optimization/18527
4525 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4526 number_of_iterations_special, number_of_iterations_exit):
4527 Move base and step of an iv to a single structure. Add
4528 no_overflow flag, and use it in # of iterations analysis.
4529 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4530 folded_casts argument.
4531 (simple_iv): Pass base and step in a structure. Set no_overflow
4533 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4534 Evaluate expensiveness of computing # of iterations instead of
4535 the final expression.
4536 * tree-scalar-evolution.h (affine_iv): New structure.
4537 (simple_iv): Declaration changed.
4538 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4539 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4540 find_givs_in_stmt): Changed due to simple_iv change.
4542 2006-01-06 Jeff Law <law@redhat.com>
4545 * tree-cfg.c (bsi_replace): Rename final argument from
4546 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4547 change (stmt -> orig_stmt).
4548 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4549 (bsi_remove): Add new argument. Remove EH information
4551 (verify_eh_throw_table_statements): New function.
4552 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4554 * tree-optimize.c (execute_free_cfg_annotations): Verify
4555 the EH throw statement table after removing annotations.
4556 * except.h (verify_eh_throw_table_statements): Prototype.
4557 * tree-flow.h (bsi_remove): Update prototype.
4558 * tree-vrp.c (remove_range_assertions): Add new argument to
4560 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4561 * tree-complex.c (expand_complex_div_wide): Likewise.
4562 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4563 * tree-tailcall.c (eliminate_tailcall): Likewise.
4564 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4565 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4566 * tree-nrv.c (tree_nrv): Likewise.
4567 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4568 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4569 (combine_blocks): Likewise.
4570 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4571 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4572 (cleanup_control_flow): Likewise.
4573 (remove_forwarder_block): Likewise.
4574 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4575 * tree-sra.c (sra_replace): Likewise.
4576 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4577 (forward_propagate_single_use_vars): Likewise.
4578 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4579 * tree-inline.c (expand_call_inline): Likewise.
4580 * tree-vect-transform.c (vect_transform_loop): Likewise.
4581 * tree-outof-ssa.c (rewrite_trees): Likewise.
4582 * tree-cfg.c (make_goto_expr_edges): Likewise.
4583 (cleanup_dead_labels): Likewise.
4584 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4585 (bsi_move_before, bsi_move_after): Likewise.
4586 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4587 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4589 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4592 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4594 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4595 on non gimple variables. Also add checks at the top for decls and
4597 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4599 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4600 and IMAGPART_EXPR for creating MUST_DEFs.
4601 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4602 and NAME_MEMORY_TAG separately from the DECLs.
4604 2006-01-06 Richard Guenther <rguenther@suse.de>
4606 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4607 annotation, if necessary.
4608 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4609 redundant calls to update_stmt.
4610 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4613 2006-01-05 Richard Henderson <rth@redhat.com>
4615 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4619 * c-typeck.c: Update copyright date.
4621 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4623 * c-typeck.c (build_c_cast): Always warn when casting
4624 from a pointer to an integer of different size, even if
4625 the node was constant.
4627 2006-01-05 Richard Guenther <rguenther@suse.de>
4629 PR tree-optimization/22555
4630 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4631 if one structure field is an array.
4632 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4633 operands even if we found a subvar, but ignore VOPs in this
4635 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4637 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4639 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4642 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4644 2006-01-05 Richard Guenther <rguenther@suse.de>
4645 Diego Novillo <dnovillo@redhat.com>
4647 * tree-pass.h (TODO_remove_unused_locals): Define.
4648 * gimple-low.c (expand_var_p, remove_useless_vars,
4649 pass_remove_useless_vars): Remove. Update all users.
4650 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4651 (remove_unused_locals): New function.
4652 * tree-flow.h (remove_unused_locals): Declare.
4653 * passes.c (execute_todo): Call remove_unused_locals if
4654 TODO_remove_unused_locals is set.
4655 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4656 * tree-ssa-dce.c (pass_dce): Likewise.
4657 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4659 2006-01-05 Richard Guenther <rguenther@suse.de>
4661 * tree-flow.h (struct fieldoff): Decompose field to
4662 type, size and decl.
4663 * tree-ssa-alias.c (create_sft): Take type as parameter.
4664 (create_overlap_variables_for): Store type, size and decl
4665 in the fieldoff structure.
4666 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4668 (push_fields_onto_fieldstack): Likewise.
4669 (create_variable_info_for): Likewise. Use offset for the
4670 SFT name if the decl is not available.
4672 2006-01-04 Paul Brook <paul@codesourcery.com>
4674 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4676 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4678 * lambda-code.c (can_put_in_inner_loop): Relax
4680 (can_put_after_inner_loop): New function.
4681 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4682 (perfect_nestify): Change to make copies and modify uses.
4684 2006-01-04 Richard Henderson <rth@redhat.com>
4686 Merge from gomp branch:
4687 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4688 via integer constant.
4689 (pragma_lex): Remove.
4690 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4691 rather than parsing it.
4692 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4693 handle_pragma_extern_prefix): Add %< %> quotes.
4694 (registered_pragmas): New.
4695 (c_register_pragma_1): New.
4696 (c_register_pragma): Use it.
4697 (c_register_pragma_with_expansion): Likewise.
4698 (c_invoke_pragma_handler): New.
4699 (init_pragma): Use cpp_register_deferred_pragma directly for
4701 * c-pragma.h (enum pragma_kind): New.
4702 (pragma_handler): New.
4703 (c_invoke_pragma_handler): Declare.
4704 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4706 * c-common.h (c_common_pch_pragma): Update decl.
4707 * Makefile.in (c-parser.o): Update dependencies.
4708 (GTFILES): Add c-pragma.h.
4709 * c-parser.c (struct c_token): Add pragma_kind.
4710 (struct c_parser): Add in_pragma.
4711 (c_lex_one_token): Always initialize keyword and pragma_kind.
4712 Extract data for CPP_PRAGMA.
4713 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4714 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4715 Don't allow CPP_PRAGMA_EOL if in_pragma.
4716 (c_parser_consume_pragma): New.
4717 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4718 (c_parser_skip_to_end_of_parameter): Likewise.
4719 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4720 (c_parser_skip_to_pragma_eol): New.
4721 (c_parser_external_declaration): Handle CPP_PRAGMA.
4722 (c_parser_compound_statement_nostart): Likewise.
4723 (c_parser_statement_after_labels): Likewise.
4724 (c_parser_pragma): New.
4725 (pragma_lex): Likewise.
4726 (c_parser_pragma_pch_preprocess): New.
4727 (c_parser_new): Merge into ...
4728 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4730 2006-01-04 Jeff Law <law@redhat.com>
4733 * tree-cfg.c (bsi_replace): Remove the original statement
4734 from the EH throw statement table.
4736 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4738 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4739 make the prototype extern "C" and add throw ().
4742 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4743 and pos non-negative and pos + len <= 32.
4744 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4745 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4746 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4749 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4750 as well as sizes not multiple of component size.
4753 * function.c (instantiate_expr): New function.
4754 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4755 walk its DECL_VALUE_EXPR with instantiate_expr.
4757 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4758 DW_OP_deref{,_size} if address isn't going to be added.
4760 2006-01-04 Ben Elliston <bje@au.ibm.com>
4762 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4763 * config/fp-bit.c: Likewise.
4765 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4767 * dominance.c: Add comment about why we use DFS numbering
4770 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4771 Richard Henderson <rth@redhat.com>
4773 Merge from gomp-branch:
4774 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4775 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4777 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4779 PR rtl-optimization/25578
4780 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4781 pass a parameter to simplify_shift_const if changing ASHIFTRT
4784 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4786 * builtins.c (get_builtin_sync_mem): New function.
4787 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4788 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4789 Call get_builtin_sync_mem to generate mem rtx.
4791 2006-01-03 Richard Guenther <rguenther@suse.de>
4794 * stmt.c (add_case_node): Make sure to clear overflow flags
4797 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4799 Merge from gomp-branch.
4800 * config/sparc/sync.md: New file.
4801 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4802 UNSPECV_LDSTUB): New constants.
4803 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4804 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4805 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4808 2006-01-03 Roger Sayle <roger@eyesopen.com>
4810 * combine.c (reg_subword_p): New predicate to test whether the
4811 destination of a set refers to a subword/piece of a register.
4812 (try_combine): Generalize the code to merge the setting of a
4813 pseudo to a constant followed by a set of a subword of that
4814 register to a constant.
4816 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4818 * basic-block.h (control_flow_graph): Change the type of
4819 x_label_to_block_map to VEC(basic_block,gc) *.
4820 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4821 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4823 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4824 VEC(basic_block,heap) *.
4825 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4826 ssa_prop_fini): Adjust the uses of cfg_blocks.
4828 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4830 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4832 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4833 hashing trees instead of a pointer hash.
4834 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4835 compare for MEM_EXPR.
4837 PR rtl-optimization/25130
4838 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4839 when comparing MEMs for GCSE
4841 2006-01-03 Ben Elliston <bje@au.ibm.com>
4843 * targhooks.h (default_decimal_float_supported_p): Declare.
4844 * targhooks.c (default_decimal_float_supported_p): Define.
4845 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4846 `default_decimal_float_supported_p'.
4847 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4849 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4851 * combine.c (apply_distributive_law <SUBREG>): Check
4852 TRULY_NOOP_TRUNCATION.
4854 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4856 * dwarf2out.c (have_switched_text_section): Delete.
4857 (have_multiple_function_sections): New.
4858 (have_location_lists): Make 'bool'.
4859 (add_AT_loc_list): Use 'true' not '1'.
4860 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4861 (output_loc_list): Use have_multiple_function_sections.
4862 (output_ranges): Likewise.
4863 (dwarf2out_begin_function): Set have_multiple_function_sections if
4865 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4866 Check function_section rather than DECL_SECTION_NAME.
4867 (dwarf2out_finish): Use have_multiple_function_sections.
4868 Don't clear have_location_lists.
4870 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4871 Jan Hubicka <jh@suse.cz>
4873 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4874 case of conditional jump jumping to the next instruction.
4875 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4876 cases of conditional jump jumping to the next instruction.
4878 2006-01-02 Jan Hubicka <jh@suse.cz>
4880 * i386.c (*_cost): Add COSTS_N_INSNS.
4881 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4883 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4886 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4888 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4890 * config/arm/arm.c (all_fpus): Fix comment typo.
4891 * config/darwin.c: Likewise.
4892 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4893 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4894 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4896 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4898 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4899 (rs6000_split_compare_and_swapqhi): New.
4900 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4901 (sync_compare_and_swapqhi_internal): New.
4902 * config/rs6000/rs6000-protos.h: Declare.
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