1 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6 * config/linux.opt: New file.
7 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8 LINUX_DYNAMIC_LINKER): Define.
9 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10 * config.gcc (*-*-linux*): Define extra_options.
11 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
19 * doc/invoke.texi (GNU/Linux Options): New section.
21 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
23 * config/sparc/sparc.md (setjmp): Rewrite.
25 (setjmp_64): Likewise.
27 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
29 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
32 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
34 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
37 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
39 PR rtl-optimization/26296
40 * Makefile.in (loop-invariant.c): Add except.h dependency.
41 * loop-invariant.c: Include except.h.
42 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
44 2005-02-16 Paul Brook <paul@codesourcery.com>
46 * reload1.c (emit_reload_insns): Invalidate dead input registers used
49 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
51 PR rtl-optimization/25636
52 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
53 when deciding whether an insn is an initializing insn.
55 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
57 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
58 (tree_code_size): Ditto.
59 * tree.h (struct tree_memory_tag): Remove parent_var.
60 (struct tree_struct_field_tag): New.
63 (union tree_node): Add sft member.
64 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
66 (create_sft): Add size and offset argument, set SFT_OFFSET and
68 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
69 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
70 * tree-flow-inline.h (get_subvar_at): Update for
72 (var_can_have_subvars): Ditto.
73 (overlap_subvar): Ditto.
74 * print-tree.c (print_node): Print out interesting things for
76 * tree-flow.h (struct subvar): Remove offset and size members.
77 * tree-ssa-operands.c (get_expr_operands): Update for
78 get_indirect_ref_operands changes.
79 (get_indirect_ref_operands): Call add_virtual_operand instead of
80 add_stmt_operand. Only recurse on base var if requested.
81 (access_can_touch_variable): New function.
82 (add_stmt_operand): Split virtual operand handling into ...
83 (add_virtual_operand): Here. Add offset, size, and for_clobber
84 arguments. Prune alias sets.
85 (add_call_clobber_ops): Call add_virtual_operand.
87 2006-02-15 Jakub Jelinek <jakub@redhat.com>
90 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
92 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
93 than TREE_CODE as index into omp_clause_num_ops array.
95 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
97 PR rtl-optimization/26184
98 * modulo-sched.c (generate_reg_moves): Free bitmap vector
100 * modulo-sched.c (sms_schedule): Free g_arr pointer.
101 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
102 must_precede, must_follow and tobe_scheduled.
105 * opts.c (common_handle_option): Free new_option pointer.
106 * df-core.c (df_analyze): Free postorder pointer.
108 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
110 * Makefile.in: Fix the examples about the use of stamps
112 2006-02-15 Michael Matz <matz@suse.de>
116 * stor-layout.c (layout_decl): Zero-width bitfields aren't
117 influenced by maximum_field_alignment or DECL_PACKED.
118 (update_alignment_for_field): Ditto.
119 (place_field): Ditto.
120 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
123 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
125 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
126 (debug_flow_info): Pass it.
127 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
128 * bb-reorder.c (reorder_basic_blocks): Likewise.
129 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
130 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
131 * flow.c (life_analysis, recompute_reg_usage): Likewise.
132 * gcse.c (gcse_main, bypass_jumps): Likewise.
133 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
134 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
135 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
136 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
137 * rtl.h (dump_flow_info): Adjust prototype.
138 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
139 * var-tracking.c (variable_tracking_main): Likewise.
140 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
141 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
144 2006-02-15 Marcin Dalecki <martin@dalecki.de>
146 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
149 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
151 PR tree-optimization/26209
152 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
153 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
155 * tree-cfg.c (replace_uses_by): Do not alter cfg.
157 2006-02-14 Roger Sayle <roger@eyesopen.com>
160 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
161 (X,Y) and the corresponding symmetry related transformations.
162 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
163 (X,Y) and its symmetry related transformations.
165 2006-02-14 Roger Sayle <roger@eyesopen.com>
167 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
170 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
172 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
174 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
177 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
178 support COMDAT group.
179 * configure: Regenerate.
181 2006-02-14 Roger Sayle <roger@eyesopen.com>
186 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
188 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
190 Fix PR tree-optimization/26260
192 * doc/invoke.texi (max-fields-for-field-sensitive): Document
194 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
195 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
196 * tree-ssa-structalias.c (create_variable_info_for): Use
197 MAX_FIELDS_FOR_FIELD_SENSITIVE.
199 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
201 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
203 * tree-ssa-loop-niter.c (number_of_iterations_ne,
204 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
205 of the ending condition.
206 * tree-ssa-loop-manip.c: Include params.h.
207 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
208 tree_unroll_loop): New functions.
209 * tree-pass.h (pass_loop_prefetch): Declare.
210 * loop.c (rest_of_handle_loop_optimize): Test for
211 -fprefetch-loop-arrays-rtl.
212 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
213 * timevar.def (TV_TREE_PREFETCH): New timevar.
214 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
215 pass_loop_prefetch): New.
216 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
217 (cleanup_tree_cfg_loop): Call scev_reset.
218 * common.opt (fprefetch-loop-arrays-rtl): Add.
219 * tree-ssa-loop-prefetch.c: New file.
220 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
221 (new_temp_expr_table): Initialize expr_vars.
222 (free_temp_expr_table): Cleanup expr_vars.
223 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
224 expressions from being merged into one.
225 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
226 (struct tree_niter_desc): Add control, bound and cmp fields.
227 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
229 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
230 (tree-cfgcleanup.o): Add SCEV_H dependency.
231 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
232 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
234 2006-02-14 Richard Guenther <rguenther@suse.de>
236 PR tree-optimization/26258
237 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
238 in PHI argument processing.
240 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
242 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
243 new expression in the requested machine mode.
245 2006-02-13 Roger Sayle <roger@eyesopen.com>
247 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
248 directly, instead let do_compare_rtx_and_jump handle this for us.
249 * expr.c (expand_expr_real_1): Likewise.
250 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
251 before do_jump_by_parts_greater.
252 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
253 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
255 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
257 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
259 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
261 PR rtl-optimization/26235
262 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
263 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
266 2006-02-13 Jeff Law <law@redhat.com>
268 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
271 2006-02-13 Jakub Jelinek <jakub@redhat.com>
274 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
275 twice if decl is a builtin. When trying again, call get_callee_fndecl
276 first to verify it is still a builtin.
278 2006-02-13 Geoffrey Keating <geoffk@apple.com>
280 * dwarf2out.c (base_type_die): Don't add AT_name here.
281 (subrange_type_die): Don't add AT_name here.
282 (modified_type_die): Rearrange code flow. Do add AT_name here.
284 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
286 PR rtl-optimization/26247
287 PR rtl-optimization/26248
288 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
290 2006-02-13 Richard Sandiford <richard@codesourcery.com>
292 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
293 * config/fixtfdi.c: Likewise.
294 * config/fixunstfdi.c: Likewise.
295 * config/floatditf.c: Likewise.
297 2006-02-13 Roger Sayle <roger@eyesopen.com>
300 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
301 into (X,C2) if C1 is a subset of the bits of C2. Transform
302 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
304 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
306 2006-02-13 Josh Conner <jconner@apple.com>
309 * varasm.c (function_section): Check for section name before
310 calling select_section on targets that define
311 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
312 unlikely_text_section instead of hot_function_section if
313 first_function_block_is_cold.
315 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
318 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
320 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
322 PR rtl-optimization/26222
323 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
324 after tree->rtl expansion.
325 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
326 before passing it to emit_move_insn.
328 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
330 * doc/invoke.texi (-Write-strings): Document that it is enabled by
332 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
333 Clarify documentation.
334 * c-common.h (warn_write_strings): Remove.
335 * c-common.c (warn_write_strings): Likewise.
336 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
339 2006-02-12 Roger Sayle <roger@eyesopen.com>
342 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
343 (do_jump_parts_zero_rtx): New function renamed from
344 do_jump_parts_equality_rtx. Made static. Add a mode argument.
345 (do_jump_parts_equality_rtx): New function split out from
346 do_jump_parts_equality. Old implementation renamed as above.
347 Call do_jump_parts_zero_rtx if either operand is zero.
348 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
349 do all of the heavy lifting.
350 (do_compare_rtx_and_jump): Handle multi-word comparisons by
351 calling either do_jump_by_parts_greater_rtx or
352 do_jump_by_parts_equality_rtx.
353 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
354 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
355 moved to do_compare_rtx_and_jump, call it directly.
356 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
357 mode argument. Call do_compare_rtx_and_jump.
358 (emit_case_nodes): Update calls to do_jump_if_equal.
360 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
362 PR rtl-optimization/26225
363 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
365 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
367 PR rtl-optimization/26232
368 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
370 2006-02-11 Jason Merrill <jason@redhat.com>
373 * tree-inline.c (declare_return_variable): Just don't use the
374 modify target if it's a gimple complex reg and the return slot
377 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
379 * doc/contrib.texi: Update my entry.
381 2006-02-10 Geoffrey Keating <geoffk@apple.com>
383 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
385 2006-02-10 Diego Novillo <dnovillo@redhat.com>
387 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
390 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
392 * doc/invoke.texi (-floop-optimize2): Removed.
393 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
394 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
395 Test flag_branch_on_count_reg only if HAVE_doloop_end.
396 * common.opt (floop-optimize2): Removed.
397 (fmove-loop-invariants): Enabled by default.
399 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
401 * tree-if-conv.c (combine_blocks): Free the result of
404 2006-02-10 Jeff Law <law@redhat.com>
406 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
408 PR tree-optimization/26213
409 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
410 loop trying to follow SSA_NAME_VALUE chains.
412 2006-02-10 Richard Guenther <rguenther@suse.de>
414 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
415 deal with structures that end in implicitly variable sized arrays.
417 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
419 PR rtl-optimization/24762
420 * df-scan.c (df_bb_refs_record): Record correct registers defined on
423 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
425 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
426 (struct ivopts_data): Add regs_used field.
427 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
428 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
429 instead of loop_data->regs_used;
430 (free_loop_data): Do not free aux fields for loops.
431 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
432 and tree_ssa_iv_optimize_finalize.
434 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
436 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
438 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
441 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
442 computing the effective result type.
444 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
447 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
448 (tree_overlaps_hard_reg_set): Declare.
449 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
450 type and signature to match function type expected by walk_tree.
451 (tree_overlaps_hard_reg_set): New function.
452 (decl_conflicts_with_clobbers_p): Rename to:
453 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
454 Use tree_overlaps_hard_reg_set. Changed caller.
455 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
456 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
457 * cris.c (cris_md_asm_clobbers): Likewise.
459 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
461 * reload1.c (emit_input_reload_insns): Delete code that tries to
462 inherit using find_equiv_reg.
464 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
466 * c-common.h (flag_const_strings): Don't declare.
467 * c-common.c (flag_const_strings): Remove.
468 * c.opt (fconst_strings): Remove.
469 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
470 <OPT_Wwrite_strings>: Don't set flag_const_strings.
471 (c_common_init_options): Don't set flag_const_strings.
472 * doc/invoke.texi (-fno-const-strings): Remove documentation.
474 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
476 * arm.md (tlobits_cbranch): New pattern.
477 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
478 testing a single bit.
480 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
483 * tree-ssa-pre.c (create_component_ref_by_pieces):
484 Handle RETURN_DECL like VAR_DECL.
486 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
489 * fold-const.c (fold_indirect_ref_1): Fold
490 "*(foo *)&complexfoo" to "__real__ complexfoo"
491 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
493 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
495 * tree-flow-inline.h (var_can_have_subvars):
496 Volatile variables should not have subvariables.
498 2006-02-09 Diego Novillo <dnovillo@redhat.com>
501 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
502 multiplying unsigned values.
505 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
507 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
509 2006-02-08 Jason Merrill <jason@redhat.com>
512 * tree.def: Elaborate on difference from MODIFY_EXPR.
513 * doc/c-tree.texi (INIT_EXPR): Likewise.
514 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
515 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
516 (gimplify_target_expr): Likewise.
517 (gimplify_cond_expr): Remove target handling.
518 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
519 (gimplify_expr): Clobber it here.
520 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
521 Do return slot optimization if we have an INIT_EXPR.
524 * tree-inline.c (declare_return_variable): Also clear
525 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
528 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
531 * gimplify.c (gimplify_one_sizepos): Fix typo.
533 2006-02-08 Jeff Law <law@redhat.com>
535 PR tree-optimization/21417
536 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
537 across a backedge if the control statement at the end of the
538 block is data dependent on other statements in the same block.
539 (record_temporary_equivalences_from_stmts): Remove over-conservative
540 test for threading across backedges.
542 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
543 control statement, handle all three special cases in the same
544 manner as they all have the same desired solution. No longer
545 special case edge flag updating when the post dominator is
548 2006-02-08 Roger Sayle <roger@eyesopen.com>
550 * tree.def (CHAR_TYPE): Remove.
551 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
552 * dwarf2out.c (base_type_die, is_base_type): Likewise.
553 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
554 (gen_string_type_die): Delete unreachable function.
556 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
557 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
558 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
559 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
560 * builtins.c (type_to_class): Likewise.
561 * fold-const.c (fold_convert, build_range_check,
562 merge_ranges): Likewise.
563 * expr.c (count_type_elements): Likewise.
564 * c-pretty-print.c (pp_c_type_specifier): Likewise.
565 * stor-layout.c (layout_type): Likewise.
566 * ipa-type-escape.c (type_to_consider): Likewise.
567 * gimplify.c (omp_firstprivatize_type_sizes,
568 gimplify_type_sizes): Likewise.
569 * explow.c (promote_mode): Likewise.
570 * tree-sra.c (is_sra_scalar_type): Likewise.
571 * varasm.c (output_constant): Likewise.
572 * tree-inline.c (remap_type_1): Likewise.
573 * convert.c (convert_to_pointer, convert_to_real,
574 convert_to_integer, convert_to_complex): Likewise.
576 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
578 * df-scan.c (df_def_record_1): A set destination may
579 be a parallel regardless of mode.
581 2006-02-08 Roger Sayle <roger@eyesopen.com>
584 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
585 * config/mips/_tilib.c: Remove.
586 * config/fixtfdi.c: New libgcc source file.
587 * config/fixunstfdi.c: New source file.
588 * config/floatditf.c: New source file.
589 * config/floatunditf.c: New souce file.
590 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
591 files above instead of config/mips/_tilib.c.
592 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
594 2006-02-08 Jeff Law <law@redhat.com>
596 PR tree-optimization/26169
597 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
600 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
602 * df.h (DF_REG_SIZE): Return the length of the initialized
605 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
607 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
608 __muldf3): Return a correctly signed zero.
610 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
612 * passes.c (register_one_dump_file): Accept the current properties
613 instead of pass number. Adjust call to dump_register. Remove
615 (register_dump_files): Now a wrapper around...
616 (register_dump_files_1): ... this one. Do not modify the pass
618 (next_pass_1): Cosmetic fix.
619 (execute_todo): Keep second parameter only. Use curr_properties
620 instead of fetching it from the pass structure. Check and set
622 (execute_one_pass): Handle TODO_set_props. Use curr_properties
623 instead of fetching it from the pass structure. Fix calls to
624 execute_todo. Update curr_properties and initialize .vcg RTL dump
625 after running the pass. Reset last_verified.
626 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
628 (FIRST_AUTO_NUMBERED_DUMP): New.
629 (dump_register): Remove "num" parameter, assign it within the
631 (get_dump_file_name): Modify template for dumps.
632 * tree-dump.h (dump_register): Adjust prototype.
633 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
634 (PROP_trees): Add PROP_gimple_lomp.
635 (TODO_set_props): New.
636 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
637 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
638 * cfgexpand.c (pass_expand): Destroy PROP_trees.
640 2006-02-08 Jakub Jelinek <jakub@redhat.com>
642 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
643 (sparc64-*-linux*): Likewise.
644 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
645 * config/sparc/t-linux: New file.
646 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
647 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
648 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
649 -m32 -mlong-double-128.
651 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
652 * config/alpha/t-linux: New file.
653 * config/alpha/libgcc-alpha-ldbl.ver: New file.
655 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
656 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
657 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
658 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
659 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
660 (CPP_ARCH32_SPEC): Remove.
662 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
664 PR tree-optimization/26145
665 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
668 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
671 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
672 >= 240000 when generating code for SOM runtime.
673 (output_indirect_call): Don't use "b,l" instruction for indirect calls
674 to $$dyncall when generating code for SOM runtime..
676 2006-02-07 Dirk Mueller <dmueller@suse.com>
679 * doc/invoke.texi (-Wsequence-point): Update documentation
680 that -Wsequence-point is implemented for C++ as well.
682 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
684 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
685 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
686 (LIB_SPEC): Likewise.
687 * doc/invoke.texi (SPARC options): Document -pthread.
689 2006-02-07 Geoffrey Keating <geoffk@apple.com>
691 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
694 2006-02-07 Roger Sayle <roger@eyesopen.com>
696 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
697 Correct comment describing BOOLEAN_TYPE.
699 2006-02-07 Dirk Mueller <dmueller@suse.com>
701 * c.opt: C++ frontend supports -Wdiv-by-zero.
702 * c-opts.c (c_common_handle_option): Remove dead case.
704 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
706 * configure.ac (TLS assembler check): Do not enable TLS by
707 default on SPARC/Solaris before version 10.
708 * configure: Regenerate.
710 2006-02-07 David Edelsohn <edelsohn@gnu.org>
712 * doc/invoke.texi (xl-compat): Document conversion and support
715 2006-02-07 Jeff Law <law@redhat.com>
717 * tree-vrp.c (find_conditional_asserts): Update comments.
718 (simplify_stmt_for_jump_threading): New.
719 (identify_jump_threads, finalize_jump_threads): New.
720 (vrp_finalize): Call identify_jump_threads.
721 (execute_vrp): Call finalize_jump_threads.
722 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
723 (vrp_element, vrp_data, vrp_element_p): Remove.
724 (vrp_hash_elt, vrp_variables_stack): Remove.
725 (vrp_hash, vrp_eq, record_range): Remove.
726 (simplify_cond_and_lookup_avail_expr): Remove.
727 (extract_range_from_cond): Remove.
728 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
729 (simplify_stmt_for_jump_threading): New.
730 (dom_thread_across_edge): New wrapper.
731 (tree_ssa_dominator_optimize): No longer initialize or
732 finalize any of the VRP datastructures. Remove iteration
733 step and simplify as a result of removal of iteration step.
734 (pass_dominator): Perform a cfg cleanup after DOM.
735 (dom_opt_finalize_block): Use the new common routines
736 for threading jumps. Simplify stack management slightly.
737 No longer need to unwind VRP state.
738 (record_equivalences_from_incoming_edge): No longer record
740 (eliminate_redundant_computations): No longer call
741 simplify_cond_and_lookup_avail_expr.
742 * tree-flow.h (potentially_threadable_block): Prototype.
743 (thread_across_edge): Likewise.
744 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
745 (tree-ssa-threadedge.o): Add dependencies.
746 * tree-ssa-threadedge.c: New file.
747 * passes.c (init_optimization_passes): Merge PHIs before
748 calling VRP. Run VRP again late in the SSA optimization pipeline.
750 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
752 * df-core.c (df_set_blocks): Do not dereference function pointers.
753 (df_finish1): Likewise.
754 (df_hybrid_search_forward): Likewise.
755 (df_hybrid_search_backward): Likewise.
756 (df_iterative_dataflow): Likewise.
757 (df_analyze_problem): Likewise.
758 (df_compact_blocks): Likewise.
760 * df-scan.c (df_rescan_blocks): Likewise.
761 (df_record_entry_block_defs): Likewise.
763 * genconditions.c (write_conditions): Guard the definition of
764 'insn_conditions' with the check on GCC version.
765 (write_writer): Guard the traversal 'insn_conditions' with
766 the check on GCC version.
768 2006-02-07 Richard Guenther <rguenther@suse.de>
772 2006-01-30 Richard Guenther <rguenther@suse.de>
774 * gimplify.c (gimplify_target_expr): Handle easy cases
775 without creating a temporary.
777 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
779 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
780 use of float in probability computations. Use edge probabilities
781 in place of statically computed probabilities.
782 (min_spec_prob): New static variable.
783 (schedule_insns): Initialize it.
784 (GET_SRC_PROB): Removed.
785 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
787 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
790 * config/ia64/unwind-ia64.c: Revert last change.
791 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
792 (INCOMING_FRAME_SP_OFFSET): Define.
794 2006-02-06 Roger Sayle <roger@eyesopen.com>
796 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
798 2006-02-07 Ben Elliston <bje@au.ibm.com>
800 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
801 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
802 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
803 (ix86_return_in_memory): Handle TDmode.
804 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
805 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
807 2006-02-06 Richard Sandiford <richard@codesourcery.com>
809 * reorg.c (dbr_schedule): Use dump_file instead of file.
811 2006-02-06 Steve Ellcey <sje@cup.hp.com>
814 * config/ia64/predicates.md (extr_len_operand): New predicate.
815 * config/ia64/ia64.md (extv): Tighten constraints.
817 (*tbit_and_2): Ditto.
818 (*tbit_and_3): Ditto.
824 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
827 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
829 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
831 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
832 loop_optimizer_init and loop_optimizer_finalize
833 * tree-ssa-sink.c (execute_sink_code): Ditto.
834 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
835 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
836 tree_ssa_loop_done): Ditto.
837 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
838 * sched-ebb.c: Include output.h.
839 (schedule_ebbs): Do not use dump argument.
840 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
841 * loop.c (loop_dump_stream): Removed.
842 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
844 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
845 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
846 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
847 loop_iterations, strength_reduce, record_biv, record_giv,
848 final_giv_value, check_final_value, check_ext_dependent_givs,
849 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
850 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
851 dump_file instead of loop_dump_stream.
852 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
854 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
856 * flow.c (life_analysis, rest_of_handle_life): Ditto.
857 * haifa-sched.c: Include output.h
858 (schedule_insns, sched_init): Do not use dump argument.
859 * mode-switching.c (optimize_mode_switching): Ditto.
860 * modulo-sched.c (stats_file): Removed.
861 (print_node_sched_params): Do not call argument dump_file.
862 (sms_schedule_by_order, loop_canon_p, sms_schedule,
863 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
865 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
867 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
868 rtl_loop_init, rtl_loop_done): Ditto.
869 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
870 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
872 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
873 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
874 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
875 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
876 * emit-rtl.c (renumber_insns): Ditto.
877 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
878 expand_gimple_basic_block, tree_expand_cfg): Ditto.
879 * regclass.c (regclass): Ditto.
880 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
881 remove_ssa_form, rewrite_out_of_ssa): Ditto.
882 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
883 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
885 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
886 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
888 * gcse.c (gcse_file, debug_stderr): Removed.
889 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
890 rest_of_handle_gcse): Do not use dump argument.
891 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
892 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
893 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
894 compute_code_hoist_vbeinout, compute_code_hoist_data,
895 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
896 compute_store_table, build_store_vectors, insert_insn_start_bb,
897 insert_store, remove_reachable_equiv_notes, replace_store_insn,
898 store_motion): Use dump_file instead of gcse_file.
899 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
900 * profile.c (profile_dump_file): Removed.
901 (branch_prob): Use dump_file instead of profile_dump_file.
902 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
904 * tree-ssa-copy.c (dump_copy_of): Ditto.
905 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
906 dump file to life_analysis.
907 * bt-load.c (branch_target_load_optimize): Ditto.
908 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
910 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
911 regclass, dbr_schedule): Declaration changed.
912 * sched-int.h (sched_init): Declaration changed.
913 * tree-profile.c (tree_profile_dump_file): Removed.
914 (tree_profile_hooks): Removed profile_dump_file hook.
915 * rtl-profile (rtl_profile_dump_file): Removed.
916 (rtl_profile_hooks): emoved profile_dump_file hook.
917 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
919 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
920 * tree-cfg.c (build_tree_cfg): Ditto.
921 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
922 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
924 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
925 life_analysis and schedule_insns.
926 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
928 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
930 * config/mips/mips.c (mips_reorg): Ditto.
931 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
934 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
936 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
937 (s390_mangle_fundamental_type): New.
938 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
941 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
942 (alpha_mangle_fundamental_type): New.
943 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
946 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
948 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
950 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
951 (sparc_mangle_fundamental_type): New.
953 2006-02-06 Jakub Jelinek <jakub@redhat.com>
955 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
956 (s390x-*-linux*): Likewise.
957 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
958 * config/s390/t-linux: New file.
960 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
962 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
963 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
965 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
967 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
968 (ANTIC_SAFE_LOADS): New macro.
969 (find_or_generate_expression): Add prototype.
970 (set_contains_value): Allow null set for sake of not always having
971 to allocate ANTIC_SAFE_LOADS.
972 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
973 Allow COMPONENT_REF too.
974 (valid_in_set): Allow COMPONENT_REF.
975 Check ANTIC_SAFE_LOADS too.
976 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
977 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
979 (can_PRE_operation): Add COMPONENT_REF.
980 (create_component_ref_by_pieces): New function.
981 (create_expression_by_pieces): Use create_component_ref_by_pieces.
982 (insert_aux): Move AGGREGATE_TYPE_P check here.
983 (compute_avail): Set bb local stmt uids.
984 (pass_pre): Use TODO_update_ssa_only_virtuals.
986 2006-02-06 Ben Elliston <bje@au.ibm.com>
988 * configure.ac: Unconditionally disable decimal float by default.
989 * configure: Regenerate.
991 2006-02-06 Ben Elliston <bje@au.ibm.com>
993 * read-rtl.c (read_name): Terminate reading on EOF.
995 2006-02-06 Ben Elliston <bje@au.ibm.com>
997 * dfp.c (decimal_real_arithmetic): Change second argument type
998 from int to enum tree_code. Do not always return true, but now
999 return result of any call to decimal_do helper functions.
1000 * dfp.h (decimal_real_arithmetic): Update prototype.
1002 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1004 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1006 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1009 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1012 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1014 * tree-vrp.c (cfg_loops): Removed.
1015 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1016 Use current_loops instead of cfg_loops. Pass flags to
1017 loop_optimizer_init.
1018 * cfgloopmanip.c (fix_loop_structure): Update only available
1020 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1021 loop_optimizer_init.
1022 * modulo-sched.c (build_loops_structure): Removed.
1023 (sms_schedule): Use loop_optimizer_init.
1024 * loop-init.c (loop_optimizer_init): Use flags to determine
1025 which properties of loops to prepare.
1026 (rtl_loop_init): Pass flags to loop_optimizer_init.
1027 * tree-ssa-sink.c (execute_sink_code): Ditto.
1028 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1029 * tree-ssa-pre.c (init_pre): Ditto.
1030 * cfgloop.h (LOOPS_NORMAL): New.
1031 (loop_optimizer_init): Declaration changed.
1033 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1035 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1036 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1038 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1040 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1042 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1043 * pa/t-pa64: Delete quadlib.c rule.
1044 * pa/x-ada: Revert last change.
1045 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1047 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1049 PR rtl-optimization/26087
1050 * rtlanal.c (canonicalize_condition): Do not cross basic block
1053 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1056 * config/ia64/ia64.c: Include debug.h.
1057 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1058 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1059 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1060 (process_epilogue, process_set, process_for_unwind_directive):
1061 Output unwind info only if requested. Add CFA info if requested.
1062 Add new arguments as needed. Adjust callers.
1063 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1065 (DWARF2_FRAME_INFO): Define to zero.
1066 * config/ia64/unwind-ia64.c: Remove code that compensated for
1067 the CFA offset error fixed above.
1068 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1069 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1070 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1071 -funwind-tables and -fexceptions to enable frame info.
1072 (dwarf2out_frame_init): Define initial CFA even if
1073 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1074 DWARF2_UNWIND_INFO is nonzero, not just defined.
1075 (dwarf2out_frame_finish): Output non-EH call frame info only
1076 if DWARF2_FRAME_INFO is nonzero.
1077 (convert_cfa_to_loc_list,
1078 compute_frame_pointer_to_cfa_displacement): Define even if
1079 unwind info is not supported.
1080 (gen_subprogram_die): Use the above unconditionally. Remove
1081 legacy alternate code.
1082 * toplev.c (compile_file): Compile in call to
1083 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1084 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1086 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1087 Jakub Jelinek <jakub@redhat.com>
1089 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1090 IBM extended float format long double as "g" on powerpc*-linux.
1092 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1095 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1096 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1098 2006-02-03 Jason Merrill <jason@redhat.com>
1101 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1104 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1105 on the return slot if it's an NRV.
1107 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1109 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1110 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1111 rewrite_use): Do not handle USE_OUTER.
1112 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1113 add_iv_outer_candidates, may_replace_final_value,
1114 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1115 (find_interesting_uses_op): Functionality of
1116 find_interesting_uses_outer_or_nonlin moved here.
1117 (find_interesting_uses_outside): Use find_interesting_uses_op.
1119 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1122 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1124 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1125 Ulrich Weigand <uweigand@de.ibm.com>
1128 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1129 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1130 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1131 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1133 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1134 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1135 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1136 Define secondary reloads for TFmode moves.
1137 (constant_modes): Add TFmode.
1138 (NR_C_MODES): Set to 8.
1139 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1141 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1142 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1143 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1144 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1145 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1146 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1147 (FPR mode macro): Add TFmode.
1148 (DSF mode macro): New.
1149 (<de>, <dee> mode attributes): Removed.
1150 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1151 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1152 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1153 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1154 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1155 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1156 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1157 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1158 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1159 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1160 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1161 "*negabs<mode>2", "sqrt<mode>2"):
1162 Changed <de> to <xde>. R constraint replaced by <Rf>.
1163 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1165 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1166 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1167 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1169 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1170 "extenddftf2", "extendsftf2"): New expanders.
1171 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1172 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1173 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1174 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1176 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1177 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1178 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1179 __floatditf): Add a GCC_4.1.0 symbol version tag.
1180 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1183 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1186 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1187 Use targetm.binds_local_p instead of TREE_PUBLIC.
1189 2006-02-02 Roger Sayle <roger@eyesopen.com>
1191 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1192 on INTEGER_TYPEs to indicate that it denotes a character type.
1193 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1194 signed_char_type_node, unsigned_char_type_node and char_type_node.
1195 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1196 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1197 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1199 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1200 Daniel Berlin <dberlin@dberlin.org>
1202 * tree-tailcall.c (arg_needs_copy_p): New function.
1203 (eliminate_tail_call): Use arg_needs_copy_p.
1204 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1205 (add_virtual_phis): New function.
1207 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1209 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1210 #ignore instead of #scratch for %g7 .register directive.
1212 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1214 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1217 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1219 * flow.c (calculate_global_regs_live): Assert that there aren't any
1222 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1224 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1226 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1227 bsi_after_labels iterator.
1228 * tree-if-conv.c (find_phi_replacement_condition,
1229 replace_phi_with_cond_modify_expr): Likewise.
1230 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1231 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1233 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1235 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1237 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1240 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1241 array after growing it.
1243 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1246 * fold-const.c (fold_checksum_tree): Change type of buf.
1248 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1250 * reload.c (push_secondary_reload): Initialize t_icode.
1252 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1254 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1255 -msoft-float -mlong-double-128 only issue a warning, but don't
1256 swich to DFmode long double.
1258 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1260 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1261 has a constant equivalent, iterate over equivalents for arg0,
1262 calling simplify_relational_operation and if there's a result
1263 cheaper than X, apply fold_rtx and return the result.
1265 2006-02-01 Jan Hubicka <jh@suse.cz>
1267 * opts.c (no_unit_at_a_time_default): New global variable.
1268 (decode_options): Use it.
1269 * opts.h (no_unit_at_a_time_default): Declare.
1271 2006-02-01 Paul Brook <paul@codesourcery.com>
1273 * function.c (assign_parm_setup_reg): Use function argument promotion
1275 * expr.c (expand_expr_real_1): Use function argument promotion rules
1278 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1280 * gcc.c (process_command): Change j to 'unsigned int'.
1282 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1285 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1286 Use the corrected index for the character
1287 out of the string constant.
1289 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1291 * mode-switching.c (optimize_mode_switching): Fix size
1292 allocated for bb_info[n_entities].
1294 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1296 * gcc.c (main): Correct type that is allocated for
1297 explicit_link_files.
1299 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1301 * config/s390/s390.c (init_alignment_context): Set
1302 ALIAS_SET_MEMORY_BARRIER on the MEM.
1303 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1305 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1308 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1310 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1313 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1315 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1316 * regrename.c: Ditto.
1317 * tree-ssa-loop-im.c: Ditto.
1318 * tree-dump.c: Ditto.
1319 * tree-complex.c: Ditto.
1320 * genrecog.c: Ditto.
1321 * tree-ssa-threadupdate.c: Ditto.
1323 * java/class.c: Ditto.
1324 * java/jcf-parse.c: Ditto.
1325 * java/resource.c: Ditto.
1326 * java/except.c: Ditto.
1327 * java/jvspec.c: Ditto.
1328 * java/jcf-write.c: Ditto.
1329 * java/jcf-path.c: Ditto.
1330 * java/gjavah.c: Ditto.
1331 * java/zextract.c: Ditto.
1332 * java/jcf-io.c: Ditto.
1333 * java/jcf.h: Ditto.
1334 * java/buffer.c: Ditto.
1335 * java/lang.c: Ditto.
1336 * java/parse-scan.y: Ditto.
1337 * java/lex.c: Ditto.
1338 * java/lex.h: Ditto.
1339 * cfgloopmanip.c: Ditto.
1340 * postreload-gcse.c: Ditto.
1341 * tree-ssa-loop-manip.c: Ditto.
1342 * postreload.c: Ditto.
1343 * tree-ssa-loop-ch.c: Ditto.
1347 * diagnostic.c: Ditto.
1349 * genoutput.c: Ditto.
1351 * cfghooks.c: Ditto.
1352 * cfgloopanal.c: Ditto.
1353 * objc/objc-act.c: Ditto.
1355 * genextract.c: Ditto.
1356 * genautomata.c: Ditto.
1357 * pretty-print.c: Ditto.
1359 * cgraphunit.c: Ditto.
1362 * haifa-sched.c: Ditto.
1363 * dominance.c: Ditto.
1365 * tree-ssa-loop-ivopts.c: Ditto.
1367 * mode-switching.c: Ditto.
1368 * modulo-sched.c: Ditto.
1370 * ipa-pure-const.c: Ditto.
1372 * fix-header.c: Ditto.
1374 * tree-stdarg.c: Ditto.
1375 * ipa-utils.c: Ditto.
1376 * loop-init.c: Ditto.
1377 * ipa-inline.c: Ditto.
1380 * alloc-pool.c: Ditto.
1381 * dwarf2out.c: Ditto.
1383 * genattrtab.c: Ditto.
1384 * tree-ssa-loop-ivcanon.c: Ditto.
1388 * fortran/gfortranspec.c: Ditto.
1390 * local-alloc.c: Ditto.
1391 * langhooks.c: Ditto.
1392 * function.c: Ditto.
1393 * tree-vectorizer.c: Ditto.
1395 * ipa-type-escape.c: Ditto.
1397 * tree-if-conv.c: Ditto.
1400 * tree-data-ref.c: Ditto.
1401 * loop-unroll.c: Ditto.
1402 * treelang/treetree.c: Ditto.
1405 * ggc-common.c: Ditto.
1407 * coverage.c: Ditto.
1409 * tree-cfgcleanup.c: Ditto.
1410 * tree-ssa-pre.c: Ditto.
1411 * cfgcleanup.c: Ditto.
1412 * loop-invariant.c: Ditto.
1414 * ipa-prop.c: Ditto.
1415 * print-tree.c: Ditto.
1416 * conflict.c: Ditto.
1417 * ggc-page.c: Ditto.
1418 * sched-deps.c: Ditto.
1419 * regclass.c: Ditto.
1420 * tree-object-size.c: Ditto.
1422 * bb-reorder.c: Ditto.
1423 * resource.c: Ditto.
1424 * var-tracking.c: Ditto.
1426 * df-problems.c: Ditto.
1427 * reg-stack.c: Ditto.
1430 * sched-rgn.c: Ditto.
1431 * tree-ssa-structalias.c: Ditto.
1432 * tree-ssa-reassoc.c: Ditto.
1433 * config/darwin-c.c: Ditto.
1434 * config/darwin.c: Ditto.
1435 * config/arm/arm.c: Ditto.
1437 * collect2.c: Ditto.
1440 2006-01-31 Nicolas Pitre <nico@cam.org>
1442 * arm.md (smaxsi3): Make aware of smax_m1.
1445 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1447 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1449 2006-01-31 Richard Guenther <rguenther@suse.de>
1451 * doc/invoke.texi (-msselibm): Document.
1452 * target.h (expand_library_builtin): New target hook.
1453 * builtins.c (expand_builtin): Use expand_library_builtin.
1454 (default_expand_library_builtin): New function.
1455 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1456 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1457 (link_gcc_math_spec): Declare.
1458 (static_specs): Add link_gcc_math_spec.
1459 * expr.h (default_expand_library_builtin): Declare.
1460 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1461 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1462 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1463 * config/i386/i386.opt (msselibm): New target option.
1464 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1465 (ix86_init_sse_abi_builtins): New function.
1466 (ix86_expand_library_builtin): Likewise.
1467 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1468 (override_options): Handle error conditions wrt -msselibm.
1469 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1470 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1471 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1474 2006-01-31 Richard Guenther <rguenther@suse.de>
1475 Paolo Bonzini <bonzini@gnu.org>
1477 * doc/install.texi (--disable-libgcc-math): Document.
1479 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1481 * expr.h (expand_normal): new inline function.
1482 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1484 * dwarf2out.c: use it.
1489 * config/sparc/sparc.c: use it.
1490 * config/i386/i386.c: use it.
1491 * config/rs6000/rs6000.c: use it.
1492 * config/arm/arm.c: use it.
1493 * config/mips/mips.c: use it.
1494 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1496 2006-01-30 Roger Sayle <roger@eyesopen.com>
1498 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1499 argv to the appropriate type.
1501 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1503 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1506 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1509 * config/s390/s390.c (struct machine_function): New flag
1510 decomposed_literal_pool_addresses_ok_p.
1511 (s390_reorg): Set it before final stage of literal pool transforms.
1512 (s390_decompose_address): Only accept displacements of the form
1513 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1515 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1517 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1518 the comparison routine return.
1520 2006-01-30 Michael Matz <matz@suse.de>
1522 * global.c (find_reg): Only evict for global regs.
1523 Take n_refs into account and dump more info.
1525 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1528 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1529 (pragma_trap, pragma_nosave_low_regs): Likewise.
1530 (current_function_anonymous_args): Likewise.
1531 (sh_deferred_function_attributes): New variable.
1532 (sh_deferred_function_attributes_tail): Likewise.
1533 (print_operand): For '@', look up trap_exit attribute.
1534 (calc_live_regs): Look up trapa_handler attribute. For trapa
1535 handlers, save/restore fpscr, but don't do any other
1536 interrupt-specific saves.
1537 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1538 Fix check for partially saved registers to check for SHmedia.
1539 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1540 (sh_output_function_epilogue): Don't clear any of the removed
1542 (sh_insert_attributes): Don't check pragma_interrupt.
1543 Insert deferred attributes. Check that interrupt attribute is
1544 present for other attributes that require its presence.
1545 (sh_attribute_table): Add new attributes trapa_handler and
1547 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1548 Don't check for pragma_interrupt. Don't store argument.
1549 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1550 (sh_deferred_function_attributes): Declare.
1551 (sh_deferred_function_attributes_tail): Likewise.
1552 * sh.md (sp_switch_1): Add operand. Change generator caller.
1553 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1554 (*return_i): Don't use when trap_exit attribute is in effect.
1555 (*return_trapa): New insn pattern.
1557 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1558 setting c_target_objs and cxx_target_objs.
1559 * t-sh: Add rule for sh-c.o.
1561 2006-01-30 Richard Guenther <rguenther@suse.de>
1564 * gimplify.c (gimplify_target_expr): Handle easy cases
1565 without creating a temporary.
1567 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1569 * vec.h (safe_grow): Remove duplicated line.
1571 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1574 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1575 (expand_omp): ... here.
1576 (expand_omp_parallel): Only remove barriers for combined
1577 parallel+workshare constructs.
1579 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1583 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1584 * tree.c (build_qualified_type): Chain the new type to the original
1585 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1586 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1587 (build_pointer_type_for_mode): Only return unqualified types.
1588 (build_reference_type_for_mode): Likewise.
1590 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1592 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1593 * Makefile.in (CXX_COMPAT_WARN): Define.
1594 * configure: Regenerate.
1596 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1599 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1602 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1604 * toplev.c: Fix thinko.
1606 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1607 Marcin Dalecki <martin@dalecki.de>
1609 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1610 (push_srcloc): Use XNEW.
1611 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1613 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1615 * df-core.c (df_set_blocks): Deleted all variable.
1617 2006-01-28 Ian Lance Taylor <ian@airs.com>
1619 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1620 cgraph_output_pending_asms.
1622 2006-01-28 Zack Weinberg <zackw@panix.com>
1624 * c.opt: Add -W(no-)overlength-strings.
1625 * doc/invoke.texi: Document it.
1626 * c-opts.c (c_common_handle_option): -pedantic implies
1627 -Woverlength-strings, if not explicitly disabled already.
1628 (c_common_post_options): -Woverlength-strings defaults to off, and
1629 is always off for C++.
1630 * c-common.c (fix_string_type): Issue warning about strings longer
1631 than is portable only if warn_overlength_strings. Rearrange code
1632 a little for clarity.
1633 * configure.in: Check for -Wno-overlength-strings as well before
1634 enabling -pedantic in stage 1.
1635 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1636 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1638 * genconditions.c (write_header, write_one_condition)
1639 (write_conditions, write_writer): Consolidate very long strings
1640 that were broken up to fit in C89 portable limit. Don't use
1641 printf when fputs will do.
1643 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1645 * combine.c (simplify_comparison <AND>): Check
1646 TRULY_NOOP_TRUNCATION before start using a subreg.
1648 * config/mips/mips.md (*branch_zero<mode>,
1649 *branch_zero<mode>_inverted, *branch_equality<mode>,
1650 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1651 Remove mode check from comparisons.
1653 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1655 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1657 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1659 * expmed.c (const_mult_add_overflow_p): Remove.
1660 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1662 * recog.c (validate_replace_rtx_subexp): Remove.
1663 * recog.h: Remove the prototype for
1664 validate_replace_rtx_subexp.
1666 * integrate.h: Remove the prototype for
1667 copy_decl_for_inlining.
1668 * rtl.h: Remove the prototype for mark_constant_function.
1669 * tree-vectorizer.h: Remove the prototype for
1670 vect_strip_conversion.
1672 * modulo-sched.c (create_partial_schedule,
1673 free_partial_schedule, reset_partial_schedule): Make them
1676 * hooks.c (hook_bool_rtx_int_false): Remove.
1677 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1679 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1681 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1682 and -mlong-double-128 are incompatible.
1683 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1684 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1685 (TARGET_LIBGCC2_CFLAGS): Define.
1686 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1687 (TARGET_LIBGCC2_CFLAGS): Same.
1688 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1690 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1693 * c-typeck.c (build_binary_op): Perform implicit casts of
1694 operands before shortening them.
1696 * cfgloopmanip.c (split_loop_bb): Remove.
1697 * cfgloop.h: Remove the prototype for split_loop_bb.
1699 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1700 * cfgloop.h: Remove the prototype for
1701 flow_loop_outside_edge_p.
1703 * emit-rtl.c (init_virtual_regs): Make it static.
1704 * function.h: Remove the prototype for init_virtual_regs.
1706 * recog.c (peephole2_optimize): Make it static.
1707 * recog.h: Remove the prototype for peephole2_optimize.
1709 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1711 * df-scan.c (df_record_entry_block_defs): Check if
1712 INCOMING_RETURN_ADDR_RTX is defined.
1714 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1715 Kenneth Zadeck <zadeck@naturalbridge.com>
1717 PR rtl-optimization/24762
1718 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1719 * targhooks.c (hook_void_bitmap): New hook prototype.
1720 * targhoohs.h (hook_void_bitmap): Ditto.
1721 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1722 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1723 * target.h (live_on_entry): New function pointer.
1724 * df-scan.c (df_all_hard_regs): Removed.
1725 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1726 (df_scan_free_internal): Added df->entry_block_defs.
1727 (df_scan_alloc): Ditto.
1728 (df_scan_dump): Ditto.
1729 (df_uses_record): Plumbed flag field properly thru calls.
1730 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1731 This part fixes PR24762.
1732 (df_bb_refs_record): Added code to make the frame and arg
1733 pointers live in EH blocks.
1734 (df_refs_record): Added call to df_record_entry_block_defs.
1735 (df_record_entry_block_defs): New function.
1736 * df-core.c: Added comments to describe new artifical defs.
1737 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1738 (entry_block_defs): New field in struct df.
1739 (df_all_hard_regs): Deleted.
1740 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1741 * df-problems.c (df_ru_bb_local_compute_process_def):
1742 Added code to handle artifical defs in the entry to a function.
1743 (df_ru_bb_local_compute): Ditto.
1744 (df_rd_bb_local_compute_process_def): Ditto.
1745 (df_rd_bb_local_compute): Ditto.
1746 (df_lr_bb_local_compute): Ditto.
1747 (df_ur_bb_local_compute): Ditto.
1748 (df_urec_bb_local_compute): Ditto.
1749 (df_chain_create_bb): Ditto.
1750 (df_ur_local_finalize): Removed entry.
1751 (df_urec_init): Ditto.
1752 (df_urec_local_finalize): Ditto.
1753 (df_ri_bb_compute): Added detection of last use of pseudos.
1754 * Makefile.in (df-scan.o): Updated dependencies.
1755 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1756 * config/mips/mips.c (mips_set_live_on_entry): Added.
1757 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1759 * dce.c (marked_insn_p): Added code to handle artifical defs.
1761 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1763 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1765 (_mm_cvtsi128_si64): Likewise.
1766 (_mm_cvtsd_si64): Likewise.
1767 (_mm_cvttsd_si64): Likewise.
1768 (_mm_cvtsi64_sd): Likewise.
1769 (_mm_cvtsi64_si128): Likewise.
1770 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1771 (_mm_cvtsi64_m64): Likewise.
1772 (_m_to_int64): Likewise.
1773 (_mm_cvtm64_si64): Likewise.
1774 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1775 (_mm_cvttss_si64): Likewise.
1776 (_mm_cvtsi64_ss): Likewise.
1777 (_mm_cvtss_f32): Likewise.
1779 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1781 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1782 for pragma redefine_extname.
1784 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1787 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1788 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1789 -mno-minimal-toc to previous content.
1790 (bispecs): Remove goal.
1791 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1792 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1793 compatibility aliases on powerpc-*-*gnu*.
1794 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1795 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1796 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1797 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1798 (ldblspecs): New goal.
1799 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1800 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1802 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1803 L_sf_to_tf or L_df_to_tf is defined.
1805 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1806 Alan Modra <amodra@bigpond.net.au>
1809 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1810 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1811 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1812 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1813 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1814 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1815 (rs6000_override_options): Initialize rs6000_ieeequad.
1816 Initialize TFmode format to ibm_extended_format if not
1818 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1820 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1821 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1822 (function_arg_advance): IBM long double passed in two FPRs, not
1824 (function_arg): IBM long double passed in FPRs.
1825 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1826 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1827 Only multireg GPR aligned.
1828 (rs6000_init_libfuncs): Enable IBM long double functions if not
1830 (rs6000_generate_compare): Use IBM long double compare if not
1832 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1833 (TARGET_IEEEQUAD): Define.
1834 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1835 not TARGET_IEEEQUAD.
1836 * config/rs6000/rs6000.md: Enable TFmode patterns if
1838 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1839 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1840 and -mlong-double-128 are incompatible.
1841 * doc/invoke.texi (-mabi): Collect options together. Add
1842 ibmlongdouble and ieeelongdouble.
1844 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1846 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1848 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1849 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1850 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1851 * rtl.h (rtunion_def): Remove rt_ptr.
1853 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1854 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1855 * config/i386/winnt.c (i386_pe_mark_dllexport)
1856 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1858 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1860 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1862 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1866 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1867 pthread_key_delete. From John David Anglin. gthrw-ify
1868 pthread_getunique_np only if it it's not a macro. Delete
1870 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1871 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1872 __gthread_objc_condition_signal, __gthread_key_delete): Add
1873 "__attribute__ ((__unused__))" to unused arguments.
1874 (__gthread_recursive_mutex_init_function): Add missing return.
1875 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1876 gthr-posix95.h: Use macro-based approach for name redirection
1877 on targets missing weakref.
1879 2006-01-26 Zack Weinberg <zackw@panix.com>
1881 * genconditions.c (write_header): In generated code, #ifdef out
1882 all includes and fake declarations, except includes of bconfig.h
1883 and system.h, unless GCC_VERSION >= 3001. Do not include
1884 gensupport.h in any case.
1885 (write_conditions): Generate a definition of struct c_test. Add
1886 a comment to the generated #endif.
1887 (write_one_condition): Escape backslashes in string too.
1888 (write_writer): Generated code must escape backslashes and quote
1889 marks (but not newlines) in the strings it writes.
1890 * Makefile.in (build/gencondmd.o): Update dependencies.
1892 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1895 * Makefile.in (insn-automata.o): Add header file dependencies.
1896 * genautomata.c: Add includes.
1898 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1901 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1903 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1905 * configure.ac: Expect target tools paths to be passed from the toplevel
1906 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1908 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1910 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1913 * c.opt (Wpointer-sign): Init to -1.
1914 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1915 OPT_pedantic, to 0 otherwise.
1916 * doc/invoke.texi: Update.
1918 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1920 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1921 constants provided by 80387 instructions in the destination mode.
1923 2006-01-26 Richard Guenther <rguenther@suse.de>
1924 Andrew Pinski <pinskia@physics.uc.edu>
1927 partial PR tree-opt/17064
1928 * tree-ssa-structalias.c (intra_create_variable_infos):
1929 Create heap variables for incoming parameters if
1930 flag_argument_noalias > 1.
1931 (find_what_p_points_to): Look through default defs of
1934 2006-01-26 Jeff Law <law@redhat.com>
1937 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1938 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1939 within the VR_RANGE, use the VR_RANGE as the result, not the
1941 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1942 bounds for the type.
1944 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1946 * tree-ssa-alias.c (maybe_create_global_var): Change
1947 subvar walking to an assertion that we don't have subvar'd variables.
1949 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1952 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1953 Use a new variable, inner. PARM_DECLs are always non-weak.
1955 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1957 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1960 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1962 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1964 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1966 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1967 (smax_insn, smin_insn, smax_0, smin_0): New.
1969 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1972 * config/cris/cris.c (cris_order_for_addsi3): New function.
1973 * config/cris/cris-protos.h: Prototype it.
1974 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1975 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1976 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1977 (split for "op.S1 [rx=rx+i],ry (swapped)")
1978 (split for "op(s|u).S1 [rx=rx+i],ry")
1979 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1980 Apply cris_order_for_addsi3 when generating addsi3 insns.
1982 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1984 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1985 (TREE_BLOCK): Add call to EXPR_CHECK.
1987 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1990 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1991 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1992 (dump_omp_clauses): ... here.
1993 (dump_generic_node): Handle OMP_CLAUSE.
1994 * tree.c (omp_clause_num_ops): New.
1995 (omp_clause_code_name): New.
1996 (tree_code_size): Handle OMP_CLAUSE.
1997 (tree_size): Likewise.
1998 (make_node): Document handling of OMP_CLAUSE.
1999 (tree_node_structure): Handle OMP_CLAUSE.
2000 (omp_clause_check_failed): New.
2001 (omp_clause_range_check_failed): New.
2002 (omp_clause_operand_check_failed): New.
2003 (build_omp_clause): New.
2004 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2005 * tree.h (enum omp_clause_code): Declare.
2006 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2007 (OMP_CLAUSE_RANGE_CHECK): Define.
2008 (OMP_CLAUSE_ELT_CHECK): Define.
2009 (omp_clause_check_failed): Declare.
2010 (omp_clause_operand_check_failed): Declare.
2011 (omp_clause_range_check_failed): Declare.
2012 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2013 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2014 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2015 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2016 (OMP_CLAUSE_IF_EXPR): Likewise.
2017 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2018 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2019 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2020 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2021 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2022 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2023 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2024 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2025 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2026 (OMP_CLAUSE_CODE): Define.
2027 (OMP_CLAUSE_SET_CODE): Define.
2028 (OMP_CLAUSE_CODE): Define.
2029 (OMP_CLAUSE_OPERAND): Define.
2030 (struct tree_omp_clause): Declare.
2031 (union tree_node): Add field 'omp_clause'.
2032 * treestruct.def (TS_OMP_CLAUSE): Define.
2033 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2034 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2035 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2036 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2037 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2038 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2039 (OMP_CLAUSE): Define.
2040 * print-tree.c (print_node): Handle OMP_CLAUSE.
2041 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2042 * c-typeck.c: Likewise.
2043 * gimplify.c: Likewise.
2044 * c-omp.c: Likewise.
2045 * tree-nested.c: Likewise.
2046 * tree-inline.c: Likewise.
2047 * c-parser.c: Likewise.
2048 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2051 2006-01-25 Roger Sayle <roger@eyesopen.com>
2053 PR rtl-optimization/25703
2054 * combine.c (try_combine): Handle zero_extract and strict_low_part
2055 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2057 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2059 * global.c: Fix comment typos.
2061 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2064 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2065 Use output_addr_const instead of assemble_name.
2067 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2069 * Makefile.in (sched-vis.o): Update dependencies.
2070 * haifa-sched.c (sched_finish): Clear current_sched_info.
2071 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2072 (dump_flow_info): Call it.
2073 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2075 * basic-block.h (dump_bb_info): Declare.
2076 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2077 option, and apply options only for dump files whose TDF_RTL,
2078 TDF_TREE, or TDF_IPA bits match.
2079 * rtl.h: Declare new functions exported from sched-vis.c.
2080 * sched-vis.c: Enable also if scheduling is not used.
2081 (print_value): Print the mode of registers if not inside scheduling.
2082 (print_insn): Make it work outside the scheduler. Beautify the output
2084 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2086 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2088 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2089 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2090 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2091 depending on the value of CONSTANT_POOL_ADDRESS_P.
2092 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2094 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2095 rather than SYMBOL_REF_DECL.
2096 (rtx_constant_pool): Remove const_rtx_sym_htab.
2097 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2098 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2099 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2100 Remove handling of const_rtx_sym_htab.
2101 (find_pool_constant): Delete.
2102 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2103 rather than find_pool_constant.
2104 (get_pool_constant_for_function): Delete.
2105 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2107 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2108 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2109 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2110 (SYMBOL_REF_CONSTANT): New macro.
2111 (get_pool_constant_for_function): Delete.
2112 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2113 rather than SYMBOL_REF_DECL.
2114 (i386_pe_mark_dllimport): Likewise.
2115 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2116 rather than SYMBOL_REF_DECL.
2117 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2118 (machopic_indirect_call_target): Likewise.
2120 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2122 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2124 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2126 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2128 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2130 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2132 2006-01-24 David Daney <ddaney@avtrex.com>
2135 * configure.ac (enable_tls): New enable option.
2136 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2137 * configure: Regenerate.
2138 * doc/install.texi (--enable-tls): Document new option.
2139 (--disable-tls): Ditto.
2141 2006-01-24 Richard Henderson <rth@redehat.com>
2143 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2144 * alias.c (true_dependence): Respect it.
2145 (canon_true_dependence, write_dependence_p): Likewise.
2146 * builtins.c (get_builtin_sync_mem): Set it.
2148 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2150 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2153 2006-01-24 DJ Delorie <dj@redhat.com>
2155 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2156 for storing constants in single-bit bitfields.
2158 2006-01-25 Ben Elliston <bje@au.ibm.com>
2160 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2162 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2165 * tree-ssa-pre.c (phi_translate): Return NULL
2166 for AGGREGATE_TYPE's.
2168 2006-01-24 Zack Weinberg <zackw@panix.com>
2170 * genautomata.c (process_state_for_insn_equiv_partition):
2171 Use xcalloc for insn_arcs_array.
2172 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2173 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2175 2006-01-24 Richard Henderson <rth@redhat.com>
2177 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2180 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2182 PR rtl-optimization/25890
2183 PR rtl-optimization/25905
2184 * combine.c (expand_compound_operation, expand_field_assignment):
2185 Fail if the bitfield's final position is out of bounds.
2187 2006-01-24 Ian Lance Taylor <ian@airs.com>
2190 * cgraphunit.c (cgraph_output_in_order): Don't clear
2191 cgraph_asm_nodes until after asm strings have been output.
2193 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2195 * fix-header.c (read_scan_file): Add new parameter imultilib when
2196 calling register_include_chains.
2198 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2200 * omp-low.c: Update documentation.
2202 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2203 Daniel Berlin <dberlin@dberlin.org>
2207 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2208 return from the function.
2210 2006-01-22 Zack Weinberg <zackw@panix.com>
2212 * rtl.def (match_code): Add second argument.
2213 * genpreds.c (write_extract_subexp): New function.
2214 (write_match_code): Add path argument. Use write_extract_subexp.
2215 (write_predicate_expr): Pass path to write_match_code.
2216 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2217 not perform a mode test.
2218 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2219 a subexpression does not constrain the top-level code set.
2220 * read-rtl.c (read_rtx_variadic): New function.
2221 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2222 * doc/md.texi: Document new notation.
2223 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2224 (cmpsi_operand): ... here, using new notation.
2226 2006-01-22 Zack Weinberg <zackw@panix.com>
2228 * varray.c: Remove GENERATOR_FILE #ifdefs.
2230 2006-01-22 Zack Weinberg <zackw@panix.com>
2232 * genautomata.c (output_reserved_units_table): Emit nothing if
2233 description->query_units_num is zero. Remove extra blank line.
2234 (output_cpu_unit_reservation_p): Short circuit
2235 if description->query_units_num is zero.
2237 2006-01-22 Zack Weinberg <zackw@panix.com>
2239 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2240 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2241 nor any of the random handful of variables that used to be necessary
2242 when this program was linked with rtlanal.o. Prune set of forward
2243 function declarations.
2244 (struct attr_desc): Remove static_p field.
2245 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2246 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2247 (attr_string): Do not read the character one past the length of
2249 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2250 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2251 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2252 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2253 (make_automaton_attrs): New.
2254 (main): Do not call into genautomata. Call local gen_bypass
2255 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2256 Remove special case for insn_alts.
2257 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2258 varray.h (leftover from previous change). Prune set of forward
2259 function declarations. Remove state_alts fields from all
2260 structures. Remove state_alts_table from struct automaton.
2261 Make everything except main static. Do not maintain num_dfa_decls.
2262 Do not maintain state_alts fields of various structures.
2263 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2264 (add_arc): Remove state_alts argument. All callers updated.
2265 (output_reserved_units_table): Emit #ifdef here...
2266 (output_tables): ...not here. Don't generate state_alts tables.
2267 (expand_automata): Don't generate attributes.
2268 (write_automata): Don't generate state_alts functions.
2269 (main): New function.
2270 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2271 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2272 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2273 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2274 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2275 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2276 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2277 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2279 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2280 * genattrtab.h: Delete file.
2281 * Makefile.in (OBJS-common): Add insn-automata.o.
2282 (insn-automata.o): New rule.
2283 (simple_generated_c): Add insn-automata.c.
2284 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2285 (genprogmd): Add automata.
2286 (build/genattrtab): Needs no extra objects nor libraries.
2287 (build/genautomata): Needs build/vec.o and -lm.
2289 2006-01-22 Zack Weinberg <zackw@panix.com>
2291 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2292 (output_dfa_max_issue_rate, locked_states_num): Delete.
2293 (struct automaton): Add locked_states field.
2294 (output_dead_lock_vect): Save number of locked states in
2295 automaton->locked_states. If it is zero, don't print anything.
2296 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2297 (output_internal_dead_lock_func): Only test the dead_lock_vect
2298 for automata that have locked states.
2299 (output_statistics): Always print the number of locked states for
2300 each automaton. Calculate total number of locked states here.
2301 (write_automata): Don't call output_dfa_max_issue_rate.
2302 * genattrtab.c: Define length_unit_log as a const variable.
2303 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2304 max_insn_queue_index const.
2305 * final.c (length_unit_log): Declare const.
2306 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2308 2006-01-22 Zack Weinberg <zackw@panix.com>
2310 * genautomata.c: Include vec.h, not varray.h.
2311 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2312 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2313 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2314 VEC_* macros operating on appropriately typed vectors, or to
2315 malloced arrays when the size is known in advance. Const-ify
2316 many char* variables and function arguments. No functional changes.
2317 * Makefile.in (build/varray.o): Delete rule.
2318 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2319 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2321 2006-01-22 Zack Weinberg <zackw@panix.com>
2323 * gensupport.c: Define get_insn_name and record_insn_name here.
2324 (read_md_rtx): Call record_insn_name as appropriate.
2325 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2326 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2327 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2329 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2330 (BUILD_VARRAY): Delete.
2331 (genprognormal): Rename genprogmd. Fold in all programs from
2332 genprognoprint; also attrtab.
2333 (build/genattrtab): Just mention genautomata.o and varray.o.
2334 Reorganize a bit, add comments to make the categories clearer.
2336 2006-01-22 Zack Weinberg <zackw@panix.com>
2338 * genconditions.c (condition_table, add_condition): Delete.
2339 (write_conditions): Don't emit n_insn_conditions nor
2340 insn_elision_unavailable. Issue the gcc version #ifdef here,
2341 inside the table, with no #else clause ...
2342 (write_header): ...not here.
2343 (write_writer): New function.
2344 (main): Don't initialize condition_table. Use add_c_test.
2346 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2347 files on the command line.
2348 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2349 Return -1 if there is no entry in the table, don't abort.
2350 (add_c_test, traverse_c_tests): New functions.
2351 * gensupport.h (insn_elision_unavailable, insn_conditions)
2352 (n_insn_conditions): Delete declarations.
2353 (add_c_test, traverse_c_tests): Declare.
2354 * read-rtl.c: Include gensupport.h.
2355 (read_conditions): New function.
2356 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2357 (read_rtx_1): If we get EOF when we were looking for an initial
2358 open paren, return 0. Call read_conditions when appropriate.
2359 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2360 dummy-conditions.o. Eliminate references to insn-conditions.o,
2361 or change them to build/gencondmd.o, as appropriate. Remove
2362 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2363 from $(simple_generated_c). For all files remaining in those
2364 two lists, add insn-conditions.md to the generator command line.
2365 Give insn-constants.h/s-constants their own rules. Add rules
2366 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2367 (build/read-rtl.o): Depend on gensupport.h.
2368 (genprognormal): Include preds.
2369 (genprogearly): Rename genprognoprint; only difference is now that
2370 they don't link with $(BUILD_PRINT).
2371 * dummy-conditions.c: Delete.
2373 2006-01-22 Zack Weinberg <zackw@panix.com>
2375 * genextract.c: Don't include insn-config.h. Do include vec.h.
2376 Declare vectors of int, char, and locstr.
2377 (locstr): New typedef.
2378 (struct extraction): Make all array fields into bare pointers.
2379 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2380 (insn_code_number): Delete.
2381 (accum_extract): New struct.
2382 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2383 (gen_insn): Take insn_code_number as an argument. Use an
2384 accum_extract structure instead of loading data directly into
2385 a struct extraction, and having to know how big it might get.
2386 (walk_rtx): Operate entirely on an accum_extract structure.
2387 (print_path): Avoid unnecessary use of printf.
2388 (print_header): New function, split out of main. Distinguish
2389 more carefully between an unrecognizable insn and an insn that
2390 has the code number of a define_expand.
2391 (main): Pass insn_code_number to gen_insn. Call print_header
2392 only after parsing. Avoid unnecessary use of printf.
2393 * Makefile.in (build/vec.o): New rule.
2394 (build/genextract): Depend on build/vec.o.
2395 (build/genextract.o): Don't depend on insn-config.h.
2397 2006-01-22 Zack Weinberg <zackw@panix.com>
2399 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2400 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2401 practical. Eliminate per-generator-program link rules.
2403 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2406 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2407 with a call expr to ...
2408 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2410 2006-01-23 Richard Guenther <rguenther@suse.de>
2412 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2413 before make_edge with conditional EDGE_TRUE_VALUE.
2415 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2416 Jan Hubicka <jh@suse.cz>
2417 Richard Guenther <rguenther@suse.de>
2419 PR rtl-optimization/25654
2420 * cfgexpand.c (aggregate_contains_union_type): New function.
2421 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2422 for structure variables that contain a union type.
2424 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2426 * gengtype.c (new_structure): Return the structure.
2427 (create_option): Add an extra "next" argument.
2428 (create_field): New function.
2429 (adjust_field_rtx_def): Use create_option and create_field.
2430 Remove a now-unnecessary call to find_structure.
2431 (adjust_field_tree_def): Likewise.
2432 (note_yacc_type): Remove an unnecessary call to find_structure.
2433 * gengtype.h (new_structure): Return the structure.
2434 (create_option): Add an extra argument.
2435 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2436 (option): Adjust calls to create_option.
2438 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2440 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2442 2006-01-22 Paul Brook <paul@codesourcery.com>
2443 Peter Barada <peter@the-baradas.com>
2445 * config/m68k/m68k.md: Add Coldfire FPU support.
2446 Define FP mode macro and associated attributes.
2447 Use it for float mode patterns.
2448 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2449 (LIBCALL_VALUE): Use m68k_libcall_value.
2450 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2451 (m68k_function_value): Ditto.
2452 (emit_move_sequence): Ditto.
2453 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2454 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2455 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2456 (MULTILIB_EXCEPTIONS): Ditto.
2457 * config/m68k/m68k.opt: Add mcfv4e.
2458 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2459 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2460 (m68k_output_function_prologue): Save ColdFire FPU registers.
2461 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2462 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2463 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2464 ColdFire FPU registers.
2465 (m68k_libcall_value, m68k_function_value): New functions.
2466 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2467 (LIBCALL_VALUE): Use m68k_libcall_value.
2468 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2469 (MASK_COLDFIRE): Add MASK_CFV4E.
2470 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2471 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2472 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2473 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2474 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2475 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2476 * doc/invoke.tex: Document -mcfv4e on m68k.
2478 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2480 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2483 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2486 * c-opts.c (c_common_handle_option): Don't include
2487 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2488 * doc/invoke.texi (C++ Dialect Options): Document that
2489 -Wnon-virtual-dtor is no longer included in -Wall.
2491 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2493 * gcov.c (print_version), gcov-dump.c (print_version),
2494 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2497 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2499 * df-scan.c (problem_SCAN): Added NULL reset function.
2500 (df_scan_reset_blocks): Added code to call reset block function
2501 (df_bb_refs_delete) Fixed comment.
2502 (df_insn_refs_delete): Made tolerant of deleting non existent info
2503 for dataflow problems that need to be reset.
2504 * df-core.c (df_set_blocks): Ditto.
2505 * df.h (struct df_problem): Added reset_fun.
2506 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2507 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2508 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2509 functions to clear out all references to def-use or use-def chains.
2511 2006-01-21 Ben Elliston <bje@au.ibm.com>
2513 * varasm.c (assemble_real): Initialise data array.
2515 2006-01-20 Paul Brook <paul@codesourcery.com>
2517 Merge from csl-arm-branch.
2518 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2519 * config/arm/arm.md (movdi): Force operands[1] to a register
2520 if we have a non-register source.
2521 (*arm_movdi, *movdf_soft_insn): Require that one of the
2522 operands be a register.
2523 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2524 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2526 2006-01-20 DJ Delorie <dj@redhat.com>
2528 * varasm.c (initialize_constant_valid_p): Allow pointers
2529 initialized from integer constants of lesser precision.
2530 (output_constant): Allow non-int-sized pointer modes to be
2531 initialized from integer constants.
2533 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2536 * cppdefault.h (struct default_include): Add multilib flag.
2537 * cppdefault.c (cpp_include_defaults): Set it.
2538 * c.opt (-imultilib): New option.
2539 * c-opts.c (imultilib): New.
2540 (c_common_handle_option): Handle -imultilib.
2541 (c_common_post_options): Likewise.
2542 * c-incpath.c (add_standard_paths, register_include_chains):
2544 * c-incpath.h (register_include_chains): Add extra parameter.
2545 * gcc.c (do_spec_1): Generate -imultilib option.
2546 (The Specs Language): Update %I description.
2547 (process_command): Update copyright notice.
2548 * doc/cppopts.texi (-imultilib): Document.
2549 * doc/invoke.texi (-imultilib): Include in option summary.
2550 (%I): Update specs documentation.
2552 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2554 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2556 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2558 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2561 2006-01-20 Richard Guenther <rguenther@suse.de>
2562 Steven Bosscher <stevenb.gcc@gmail.com>
2564 PR rtl-optimization/24626
2565 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2566 EDGE_TRUE_VALUE if in RTL mode.
2569 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2570 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2572 2006-01-20 Dirk Mueller <dmueller@suse.com>
2575 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2576 instead of a special NOP marker.
2577 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2578 NOP marker handling.
2579 * c-common.h (empty_body_warning): Add forward declaration.
2580 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2581 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2583 2006-01-20 Paul Brook <paul@codesourcery.com>
2585 * Makefile.in (lang_checks): Keep going if mkdir fails.
2587 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2589 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2590 be able to clean out basic block when not necessary.
2591 (df_scan_free): Fixed to properly delete information if df is
2592 unused before calling df_finish.
2593 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2594 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2596 (df_bb_refs_delete): New function.
2597 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2598 * df-core.c (df_set_blocks): Added code to properly clean out
2599 unused blocks if they are not part of the blocks to consider.
2600 Added additional null check.
2601 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2602 be able to clean out basic block when not necessary
2603 * df.h (df_free_bb_function): Ditto.
2604 (df_bb_refs_delete): New function.
2605 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2606 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2607 basic block parameter to be able to clean out basic block when not
2609 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2610 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2611 Fixed to properly delete information if df is unused before
2614 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2616 PR rtl-optimization/25799
2617 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2618 Corrected confluence operator to remove bits from op2 before oring
2619 with op1 rather than removing bits from op1.
2620 (df_ru_transfer_function): Corrected test on wrong bitmap which
2621 caused infinite loop. Both of these problems were introduced in
2622 the dataflow rewrite.
2624 2006-01-19 DJ Delorie <dj@redhat.com>
2626 * reload1.c (find_reload_regs): Note the details of reload
2627 failures in the dump file.
2628 (spill_failure): Likewise.
2630 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2632 * loop-iv.c: Include df.h and hashtab.h.
2633 (enum iv_grd_result): New enum.
2634 (DF_REF_IV, DF_REF_IV_SET): New macros.
2635 (struct biv_entry): New.
2636 (df, bivs): New global variables.
2637 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2638 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2640 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2641 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2642 analyzed_for_bivness_p, record_biv): New functions.
2643 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2644 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2645 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2647 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2649 (iv_number_of_iterations): Use new interface to iv analysis.
2650 * loop-unroll.c: Do not include varray.h.
2651 (analyze_iv_to_split_insn): Use new interface to iv
2653 * loop-unswitch.c (may_unswitch_on): Ditto.
2654 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2656 (df_bb_modify): Realloc tables to the new index.
2657 (df_find_use): New function.
2658 * df.h (df_find_use): Declare.
2659 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2661 * cfgloop.h (struct rtx_iv): Remove analysed field.
2662 (iv_get_reaching_def): Removed.
2663 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2664 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2665 (loop-iv.o): Add df.h and hashtab.h dependency.
2666 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2668 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2671 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2673 (__floatundisf, __floatundidf): Likewise.
2674 * libgcc2.h (IS_IBM_EXTENDED): Define.
2676 2006-01-19 DJ Delorie <dj@redhat.com>
2678 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2680 2006-01-19 Paul Brook <paul@codesourcery.com>
2682 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2683 as nothrow when unwinding tables are disabled.
2685 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2688 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2689 of bit-field" when in system header.
2691 2006-01-19 DJ Delorie <dj@redhat.com>
2693 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2694 the 16 bit shift limit of the m16c.
2696 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2699 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2700 * config/i386/i386.c (output_set_got): Output the label if we have one
2701 for the TARGET_DEEP_BRANCH_PREDICTION case.
2703 2006-01-19 Jan Hubicka <jh@suse.cz>
2704 H.J. Lu <hongjiu.lu@intel.com>
2705 Evandro Menezes <evandro.menezes@amd.com>
2707 * invoke.texi (generic): Document
2709 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2710 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2711 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2712 (x86_use_incdec, x86_pad_returns): New variables
2713 (TARGET_CPU_DEFAULT_generic): New constant
2714 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2715 (enum processor_type): Add generic32 and generic64.
2716 * i386.md (cpu attribute): Add generic32/generic64
2717 (movhi splitter): Behave sanely when both partial_reg_dependency and
2718 partial_reg_stall are set.
2719 (K8 splitters): Enable for generic as well.
2720 * predicates.md (incdec_operand): Use TARGET_INCDEC
2721 (aligned_operand): Avoid memory mismatch stalls.
2722 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2723 * ppro.md: Enable for generic32
2724 * i386.c (generic64_cost, generic32_cost): New.
2725 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2726 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2727 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2728 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2729 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2730 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2731 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2732 x86_accumulate_outgoing_args, x86_prologue_using_move,
2733 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2734 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2736 (x86_use_incdec, x86_pad_returns): New.
2737 (override_options): Add generic32 and generic64, translate "generic"
2738 to generic32/generic64 and "i686" to "generic32", refuse
2739 "generic32"/"generic64" as arch target.
2740 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2741 (ix86_reorg): Honor PAD_RETURNS.
2743 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2745 * tree-pretty-print.c (dump_generic_node): Handle
2746 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2747 * cgraph.c (cgraph_expand_queue): Rename from
2748 cgraph_analyze_queue. Update all users.
2749 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2750 cgraph_expand_queue.
2751 (cgraph_expand_all_functions): Likewise.
2752 (cgraph_finalize_pending_functions): Remove. Update callers.
2754 * tree.h (OMP_DIRECTIVE_P): Define.
2755 (OMP_PARALLEL_FN): Define.
2756 (OMP_PARALLEL_DATA_ARG): Define.
2757 (OMP_SECTIONS_SECTIONS): Define.
2758 * tree-pass.h (pass_expand_omp): Declare.
2759 * omp-low.c (struct omp_region): Declare.
2760 (struct omp_context): Remove fields 'parallel_type',
2761 'parallel_start_ix' and 'parallel_start_additional_args'.
2763 (struct omp_for_data): Rename from struct expand_omp_for_data.
2764 (omp_regions): New static variable.
2765 (root_omp_region): New static variable.
2766 (find_omp_clause): Make static.
2767 (is_in_combined_parallel_ctx): Remove.
2768 (is_combined_parallel): New.
2769 (extract_omp_for_data): Move earlier in the file.
2770 (workshare_safe_to_combine_p): New.
2771 (get_ws_args_for): New.
2772 (determine_parallel_type): Move earlier in the file.
2773 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2775 (omp_copy_decl): Likewise.
2776 (create_omp_child_function): Likewise.
2777 (lookup_omp_region): New.
2778 (dump_omp_region): New.
2779 (debug_omp_region): New.
2780 (debug_all_omp_regions): New.
2781 (new_omp_region): New.
2782 (scan_omp_parallel): If parallel_nesting_level > 1, the
2783 directive is nested within another parallel directive.
2784 Set OMP_PARALLEL_FN.
2785 (scan_omp_for): Do not try to handle combined parallel+for
2787 Remove FIXME comment.
2788 (scan_omp_nested): Remove.
2789 (scan_omp_1): Do not call scan_omp_nested when
2790 parallel_nesting_level is > 1.
2791 Do not change the DECL_CONTEXT of local variables found.
2792 (lookup_decl_in_outer_ctx): New.
2793 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2794 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2795 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2796 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2797 If CTX is nested, lookup VAR in the outer context when
2798 building copy assignment.
2799 (lower_send_clauses): Rename from expand_send_clauses.
2800 If CTX is nested, lookup VAR in the outer context when
2801 building copy assignments.
2802 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2803 If CTX is nested, lookup VAR in the outer context when
2804 building copy assignments.
2805 (expand_parallel_call): Rename from build_parallel_call.
2806 Handle combined parallel+workshare cases.
2807 Re-implement to emit code into the CFG.
2809 (expand_omp_parallel): Re-implement to emit code into the CFG.
2810 Call move_sese_region_to_fn to outline the sub-graph
2811 containing the parallel region.
2812 (expand_omp_for_1): Remove.
2813 (expand_omp_for_generic): Re-implement to emit code into the
2815 (expand_omp_for_static_nochunk): Likewise.
2816 (expand_omp_for_static_chunk): Likewise.
2817 (expand_omp_for): Likewise.
2818 (expand_omp_sections): Likewise.
2819 (remove_exit_barriers): New.
2820 (expand_omp_synch): New.
2822 (build_omp_regions_1): New.
2823 (build_omp_regions): New.
2824 (execute_expand_omp): New.
2825 (gate_expand_omp): New.
2826 (pass_expand_omp): Define.
2827 (lower_omp_sections): Rename from expand_omp_sections.
2828 Set OMP_SECTIONS_SECTIONS.
2829 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2830 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2831 (lower_omp_single): Rename from expand_omp_simple.
2832 (lower_omp_master): Rename from expand_omp_master.
2833 (lower_omp_ordered): Rename from expand_omp_ordered.
2834 (lower_omp_critical): Rename from expand_omp_critical.
2835 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2836 (lower_omp_for): Re-implement.
2837 (lower_omp_parallel): Re-implement.
2838 (lower_regimplify): Rename from expand_regimplify.
2839 (lower_omp_1): Rename from expand_omp_1.
2840 If there are syntax errors in the program, replace every
2841 OpenMP directive with NOP.
2842 Call lower_omp_* instead of expand_omp_*.
2843 (lower_omp): Rename from expand_omp.
2845 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2846 * tree-gimple.h (enum omp_parallel_type): Remove.
2847 (gimple_boolify): Declare extern.
2848 (find_omp_clause, determine_parallel_type): Remove.
2850 * gimple-low.c (lower_omp_directive): New.
2851 (lower_stmt): Call it.
2852 (record_vars_into): Move from ...
2853 (record_vars): ... here.
2854 Call record_vars_into with current_function_decl.
2856 * gimplify.c (struct gimplify_ctx): Remove fields
2857 combined_pre_p and combined_ctxp. Update users.
2858 (get_formal_tmp_var): Add documentation.
2859 (gimple_boolify): Make extern.
2860 (gimplify_expr_in_ctx): Remove. Update callers.
2861 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2862 will always be a BIND_EXPR.
2863 (gimplify_expr): Handle OMP_RETURN_EXPR.
2864 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2865 (OMP_PARALLEL): Add 3 operands.
2866 (OMP_SECTIONS): Add 1 operand.
2867 (OMP_RETURN_EXPR): Define.
2869 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2870 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2871 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2872 creating a circular free list.
2873 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2875 * tree-flow.h (move_sese_region_to_fn): Declare.
2876 (record_vars_into): Declare.
2877 * tree-cfg.c (make_omp_sections_edges): New.
2878 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2879 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2880 OMP_SECTIONS and OMP_SECTION.
2881 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2882 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2883 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2884 (gather_blocks_in_sese_region): New.
2885 (struct move_stmt_d): Declare.
2887 (move_block_to_fn): New.
2888 (move_sese_region_to_fn): New.
2890 * passes.c (init_optimization_passes): Schedule
2891 pass_expand_omp after pass_init_datastructures.
2893 * tree-ssa-operands.c (get_expr_operands): Handle
2894 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2895 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2897 2006-01-19 Jeff Law <law@redhat.com>
2899 * tree-vrp.c (extract_range_from_assert): Refine the result range
2900 if the variable referenced by the ASSERT_EXPR has a range and
2901 either the tentative result range or the previous range is a
2904 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2906 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2908 2006-01-19 Jan Hubicka <jh@suse.cz>
2910 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2912 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2914 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2915 (expand_compound_operation, expand_field_assignment): Fail if the
2916 bit lengths of an extract operation are out of range.
2917 (make_extraction): Compute wanted_inner_mode based on the position
2918 and length of the extraction. Make it extraction_mode for non-constant
2919 positions, and do not modify offset in that case. When generating a
2920 new MEM, use a mode that can hold the extraction while keeping correct
2921 alignment. Remove code that supported MEMs wrapped by USEs.
2922 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2924 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2926 * config/s390/s390.md ("Y", "y"): New mode attribute.
2927 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2928 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2929 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2930 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2931 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2932 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2933 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2934 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2935 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2936 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2937 "addsi3", "subsi3"): Insn patterns removed.
2938 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2939 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2940 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2941 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2942 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2943 "*sub<mode>3_cconly2"): New insn patterns.
2944 ("addsi3", "subsi3"): New expanders.
2946 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2948 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2949 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2950 existing STMT_VINFO_VECTYPE if available.
2951 (vect_mark_relevant): Add special handling for stmts that are
2952 marked as STMT_VINFO_IN_PATTERN_P.
2953 (vect_analyze_loop): Call vect_pattern_recog.
2954 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2955 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2957 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2958 (vect_recog_func_ptr): New function-pointer type.
2959 * tree-vect-patterns.c: New file.
2960 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2961 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2962 (vect_pattern_recog_1): New functions.
2963 (vect_pattern_recog_funcs): New array of function pointers.
2965 * tree-vectorizer.h (ternary_op): New enum value.
2966 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2967 declaration. Revised documentation. Removed redundant dump prints.
2968 Removed redundant argument. Added support for reduction patterns.
2969 (vectorizable_reduction): Added support for reduction patterns.
2970 (vect_transform_stmt): Added support for patterns.
2972 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2973 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2974 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2975 (expand_widen_pattern_expr): New function.
2976 (init_optabs): Initialize new optabs udot_prod_optab,
2978 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2979 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2980 (expand_widen_pattern_expr): New function declaration.
2981 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2983 * tree-inline.c (estimate_num_insns_1): Added cases for new
2984 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2985 * tree-pretty-print.c (dump_generic_node): Likewise.
2986 (op_prio): Likewise.
2987 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2988 * tree-ssa-operands.c (get_expr_operands): Added case for
2990 * tree-vect-patterns.c (widened_name_p): New function.
2991 (vect_recog_dot_prod_pattern): Added function implementation.
2992 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2993 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2994 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2995 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2997 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2998 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2999 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3000 (init_optabs): Initialize new optabs widen_ssum_optab,
3002 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3003 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3004 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3005 use instead of type of def.
3006 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3007 function implementation.
3008 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3009 widen_ssumv8hi): New.
3011 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3014 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3017 * c-decl.c (add_flexible_array_elts_to_size): New function.
3018 (finish_decl): Use it.
3020 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3022 * diagnostic.h: Include options.h.
3023 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3024 dependancies for diagnostic.h.
3025 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3027 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3029 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3030 (ssa_ro_call_cache_valid): Ditto.
3031 * tree-ssa-alias.c (sort_tags_by_id): New function.
3032 (init_transitive_clobber_worklist): Ditto.
3033 (add_to_worklist): Ditto.
3034 (mark_aliases_call_clobbered): Ditto.
3035 (compute_tag_properties): Ditto.
3036 (set_initial_properties): Ditto.
3037 (compute_call_clobbered): Ditto.
3038 (compute_may_aliases): Call compute_call_clobbered and grouping.
3039 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3040 (compute_flow_insensitive_aliasing): Grouping now happens in our
3042 (setup_pointers_and_addressables): Remove clobbering related code.
3043 (add_may_alias): Ditto.
3044 (replace_may_alias): Ditto.
3045 (get_nmt_for): Ditto.
3046 (create_global_var):
3047 (is_escape_site): Return an escape_type enumeration.
3048 * tree-flow-inline.h (is_call_clobbered): Global var does not
3049 imply call clobbered.
3050 (mark_call_clobbered): Take a reason for marking this. Remove
3051 marking of globalness, and cache invalidation.
3052 (clear_call_clobbered): Remove cache invalidation code.
3053 * tree-dfa.c (dump_variable): If details is on, dump the reason
3055 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3057 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3058 (struct var_ann_d): Ditto.
3059 (enum escape_type): New.
3060 (mark_call_clobbered): Adjust prototype.
3061 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3062 are never call clobbered.
3063 Record reasons for escaping.
3064 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3065 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3066 (ssa_ro_call_cache_valid): Ditto.
3067 (clobbered_v_may_defs): Ditto.
3068 (clobbered_vuses): Ditto.
3069 (ro_call_vuses): Ditto.
3070 (clobber_stats): New.
3071 (init_ssa_operands): Zero out clobber stats.
3072 (fini_ssa_operands): Print out clobber stats.
3073 (get_call_expr_operands): Pass callee fndecl to
3075 (add_call_clobber_ops): Remove use of cache.
3076 Add use of PURE_CONST information.
3077 (add_call_read_ops): Remove use of cache.
3078 Add use of static not_read information.
3080 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3082 Introduce TLS descriptors for i386 and x86_64.
3083 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3084 (TARGET_ANY_GNU_TLS): New macro.
3085 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3086 (struct machine_function): Add tls_descriptor_call_expanded_p.
3087 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3088 (ix86_current_function_calls_tls_descriptor): Likewise.
3089 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3090 (override_options): Introduce gnu2 tls dialect.
3091 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3093 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3095 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3096 (ix86_init_machine_status): Initialize new field.
3097 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3098 (ix86_tls_module_base): New.
3099 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3100 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3101 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3102 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3103 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3104 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3105 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3106 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3107 * config/i386/predicates.md (tls_modbase_operand): New.
3108 (tp_or_register_operand): New.
3110 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3112 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3113 (look_for_address_of): Ditto.
3114 (ipa_init): Walk the function decls.
3115 (static_execute): Don't set readonly on FUNCTION_DECL's.
3117 2006-01-18 Roger Sayle <roger@eyesopen.com>
3119 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3120 for shifts where the source and destination registers are different.
3122 2006-01-18 Paul Brook <paul@codesourcery.com>
3124 Merge from csl-arm-branch.
3125 2005-03-14 Julian Brown <julian@codesourcery.com>
3126 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3127 (aeabi_llsl): Likewise.
3128 (ashrdi3): Likewise.
3129 (aeabi_lasr): Likewise.
3130 (lshrdi3): Likewise.
3131 (aeabi_llsr): Likewise.
3132 2005-03-10 Julian Brown <julian@codesourcery.com>
3133 * config.gcc: Disable shared libgcc for SymbianOS.
3134 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3136 2006-01-18 DJ Delorie <dj@redhat.com>
3138 * c-pragma.c (handle_pragma_diagnostic): New.
3139 (init_pragma): Register it.
3140 * doc/extend.texi: Document it.
3142 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3143 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3144 (diagnostic_context): Add classify_diagnostic[].
3145 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3146 as errors if they're overridden to DK_WARNING.
3147 (diagnostic_initialize): Initialize classify_diagnostic[].
3148 (diagnostic_set_kind_override): New.
3149 (diagnostic_report_diagnostic): Check for kind changes.
3150 * opts.c (common_handle_option): Take lang_mask. Update callers.
3152 * common.opt (Werror=): New.
3153 * doc/invoke.texi: Document -Werror=*
3155 2006-01-18 Jeff Law <law@redhat.com>
3157 * tree-vrp.c (test_for_singularity): Correct test for new
3158 min limit. Use operand_equal_p rather than pointer equality
3159 for testing if new min/max values are equal.
3161 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3162 using range information until after propagation and folding.
3164 2006-01-18 Richard Henderson <rth@redhat.com>
3165 Aldy Hernandez <aldyh@redhat.com>
3166 Jakub Jelinek <jakub@redhat.com>
3167 Diego Novillo <dnovillo@redhat.com>
3169 * omp-low.c: New file.
3170 * c-omp.c: New file.
3172 2006-01-18 Richard Henderson <rth@redhat.com>
3173 Jakub Jelinek <jakub@redhat.com>
3174 Diego Novillo <dnovillo@redhat.com>
3176 * doc/invoke.texi: Document -fopenmp.
3177 * tree-dump.h (debug_function): Declare.
3178 * hooks.c (hook_bool_tree_bool_false): New function.
3179 (hook_tree_tree_null): Remove.
3180 (hook_tree_tree_tree_null): New.
3181 * hooks.h: Update to match.
3182 * tree-pretty-print.c (debug_tree_chain): New.
3183 (print_generic_expr): Handle TDF_CHAIN.
3184 (dump_generic_node): Handle BLOCK.
3185 Do not abort with incomplete SWITCH_EXPRs.
3186 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3187 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3188 print space after directive name.
3189 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3190 Handle OMP_MASTER and OMP_ORDERED.
3191 Handle printing of OMP_BODY just in one place, goto
3192 dump_omp_body in the rest of OMP_* nodes that have
3194 Don't handle clause nodes here. Update omp statements to
3195 use dump_omp_clauses.
3196 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3197 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3198 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3199 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3200 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3201 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3202 Adjust output for GOMP_PARALLEL.
3203 (dump_omp_clauses): New.
3204 (print_declaration): Dump DECL_VALUE_EXPR.
3205 (op_symbol_1): Split out of op_symbol.
3206 (dumping_stmts): Remove. Update all users.
3207 * cgraph.c (cgraph_analyze_queue): New.
3208 (cgraph_add_new_function): New.
3209 * cgraph.h (cgraph_analyze_queue): Declare.
3210 (cgraph_add_new_function): Declare.
3211 (cgraph_lower_function): Remove.
3212 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3213 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3214 and TYPE_P nodes in its default clause.
3215 (empty_body_p): New.
3216 (tree_range_check_failed): New.
3218 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3219 OMP_CLAUSE_REDUCTION_MERGE,
3220 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3221 OMP_CLAUSE_PRIVATE_DEBUG,
3222 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3223 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3224 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3225 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3226 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3227 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3228 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3229 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3230 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3231 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3232 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3233 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3234 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3235 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3236 (TREE_RANGE_CHECK): New.
3237 (empty_body_p): Declare.
3238 (enum omp_clause_default_kind): New.
3239 (build_string_literal): Declare.
3240 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3241 (build5_stat, build5): Declare.
3242 * tree-pass.h (TDF_CHAIN): Define.
3243 * tree-pass.h (PROP_gimple_lomp): Define.
3244 (pass_lower_omp): Declare.
3245 * diagnostic.h (debug_tree_chain): Declare.
3246 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3248 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3249 * builtins.c (build_string_literal): Make extern.
3250 * gcc.c (include_spec_function): New.
3251 (static_spec_functions): Add it.
3252 (main): Move load of libgomp.spec ...
3253 (LINK_COMMAND_SPEC): ... here.
3254 (link_gomp_spec): New.
3255 (static_specs): Include it.
3256 (LINK_COMMAND_SPEC): Add link_gomp.
3257 (GOMP_SELF_SPECS): New.
3258 (driver_self_specs): Include it.
3259 (switch_matches): Don't mark inline.
3260 (main): Load libgomp.spec.
3261 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3262 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3263 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3264 * tree-gimple.h (enum omp_parallel): Declare.
3265 (determine_parallel_type): Declare.
3266 (omp_firstprivatize_variable): Declare.
3267 (omp_reduction_init): Declare.
3268 (diagnose_omp_structured_block_errors): Declare.
3269 (struct walk_stmt_info): Add want_return_expr.
3270 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3271 (find_omp_clause): Declare.
3272 (insert_field_into_struct): Declare.
3273 (struct walk_stmt_info): Move from tree-nested.c
3274 (walk_stmts): Declare.
3275 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3277 * cgraphunit.c (cgraph_lower_function): Make static.
3278 (cgraph_finalize_pending_functions): New.
3279 (cgraph_finalize_function): Call it.
3280 (cgraph_finalize_compilation_unit): Likewise.
3281 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3282 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3283 (BT_FN_UINT_UINT): New.
3284 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3285 DEF_FUNCTION_TYPE_VAR_4): Document.
3286 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3287 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3288 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3289 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3290 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3291 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3292 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3293 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3294 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3295 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3296 into separate files.
3297 (DEF_GOMP_BUILTIN): New.
3298 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3299 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3300 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3301 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3302 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3303 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3304 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3305 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3306 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3307 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3308 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3309 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3310 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3311 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3312 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3313 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3314 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3315 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3316 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3317 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3318 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3319 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3320 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3321 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3322 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3323 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3324 * sync-builtins.def: New file, moved from builtins.def.
3325 * omp-builtins.def: New file, moved from builtins.def.
3326 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3327 * gimple-low.c (lower_function_body): Clear data.
3328 (lower_stmt): Do not handle COMPOUND_EXPR.
3329 Remove call to print_node_brief.
3330 * c-tree.h (c_finish_omp_clauses): New prototype.
3331 (C_DECL_THREADPRIVATE_P): Define.
3332 (lookup_name_no_remap, c_omp_remap_private): Remove
3333 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3334 (check_for_loop_decls): Update decl.
3335 (lookup_name_no_remap, c_omp_remap_private): Declare.
3336 (build_indirect_ref, build_modify_expr, pushdecl,
3337 pushdecl_top_level): Move to c-common.h.
3338 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3339 before the switch, but just in the 2 places that need it.
3340 * c-decl.c (diagnose_mismatched_decls): Do not check for
3341 mismatched thread-local attributes when OLDDECL is marked
3342 threadprivate and NEWDECL has no thread-local attributes.
3343 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3344 (c_gimple_diagnostics_recursively): Rename from
3345 c_warn_unused_result_recursively. Invoke
3346 diagnose_omp_structured_block_errors.
3347 (check_for_loop_decls): Return a singular decl found.
3348 * langhooks.c (lhd_omp_predetermined_sharing): Return
3349 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3350 (lhd_omp_firstprivatize_type_sizes): New.
3351 (lhd_omp_assignment): New.
3352 (lhd_omp_predetermined_sharing): New.
3353 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3354 (struct lang_hooks_for_types): Add
3355 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3356 omp_predetermined_sharing, omp_disregard_value_expr,
3357 omp_private_debug_clause, omp_clause_default_ctor,
3358 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3359 (c_finish_omp_clauses): New.
3360 (c_finish_bc_stmt): Diagnose break within omp for.
3361 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3362 (build_unary_op): Return error_mark after reporting
3364 (build_modify_expr): Likewise.
3365 * gimplify.c: Include optabs.h and pointer-set.h.
3366 (enum gimplify_omp_var_data): Declare.
3367 (struct gimplify_omp_ctx): Declare.
3368 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3370 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3371 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3372 (splay_tree_compare_decl_uid): New.
3373 (new_omp_context): New.
3374 (delete_omp_context): New.
3375 (gimple_add_tmp_var): Call omp_add_variable.
3376 (gimplify_bind_expr): Likewise.
3377 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3378 true, disregard DECL_VALUE_EXPR on the decl if any.
3379 (gimplify_expr_in_ctx): New.
3380 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3381 omp_add_variable, omp_notice_variable, omp_is_private
3382 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3383 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3384 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3385 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3386 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3387 gimplify_omp_atomic): New.
3388 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3389 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3390 OMP_CRITICAL and OMP_ATOMIC.
3391 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3392 * c-pragma.h (enum pragma_kind): Add
3393 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3394 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3395 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3396 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3397 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3398 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3399 PRAGMA_OMP_THREADPRIVATE.
3400 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3401 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3402 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3403 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3404 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3405 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3406 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3407 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3408 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3409 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3410 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3411 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3412 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3414 (struct nesting_info): Add field_map,
3415 suppress_expansion, debug_var_chain.
3416 (create_nesting_tree): Initialize them.
3417 (lookup_field_for_decl): Use field_map.
3418 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3419 (convert_local_omp_clauses): New.
3420 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3421 (walk_body): Split out of walk_function.
3422 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3423 (convert_nonlocal_reference): Handle omp statements.
3424 (convert_local_reference): Likewise.
3425 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3426 (unnest_nesting_tree): New.
3427 (lower_nested_functions): Call it.
3428 (insert_field_into_struct): Make extern.
3429 (struct walk_stmt_info): Move to tree-gimple.h.
3430 (walk_stmts): Make extern.
3431 * omp-builtins.def: New file.
3432 * tree-iterator.c (expr_only): Clarify comment.
3433 * c-common.h (pushdecl_top_level, pushdecl,
3434 build_modify_expr, build_indirect_ref,
3435 c_finish_omp_master, c_finish_omp_critical,
3436 c_finish_omp_ordered, c_finish_omp_barrier,
3437 c_finish_omp_atomic, c_finish_omp_flush,
3438 c_finish_omp_for, c_split_parallel_clauses,
3439 omp_clause_default_kind, c_omp_sharing_predetermined,
3440 c_omp_remap_decl): Declare.
3441 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3442 (OBJS-common): Add omp-low.o.
3443 (c-omp.o, omp-low.o): Add.
3444 (gimplify.o): Add dependency on $(OPTABS_H).
3445 (GTFILES): Add omp-low.c.
3446 (gt-stringpool.h): Add.
3447 * tree-cfg.c (set_bb_for_stmt): Do not update the
3448 block-to-labels map if we are currently expanding to RTL.
3449 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3451 Handle IDENTIFIER_NODE.
3452 (tree_verify_flow_info): Do not ICE when emitting error
3453 messages about invalid labels.
3454 (dump_function_to_file): Reset CFUN before emitting the body
3456 (debug_function): New.
3457 * passes.c (init_optimization_passes): Schedule
3459 * langhooks-def.h (lhd_omp_predetermined_sharing,
3460 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3462 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3463 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3464 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3465 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3466 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3467 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3468 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3469 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3470 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3471 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3472 (LANG_HOOK_DECLS): Use them.
3474 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3475 Richard Henderson <rth@redhat.com>
3476 Jakub Jelinek <jakub@redhat.com>
3477 Diego Novillo <dnovillo@redhat.com>
3479 * c-parser.c (pragma_omp_clause): Define.
3480 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3481 (c_parser_compound_statement): Likewise.
3482 (c_parser_statement): Likewise.
3483 (c_parser_pragma): Handle omp pragmas.
3484 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3485 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3486 (c_parser_omp_clause_name, check_no_duplicate_clause,
3487 c_parser_omp_variable_list,
3488 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3489 c_parser_omp_clause_copyprivate,
3490 c_parser_omp_clause_default,
3491 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3492 c_parser_omp_clause_lastprivate,
3493 c_parser_omp_clause_nowait,
3494 c_parser_omp_clause_num_threads,
3495 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3496 c_parser_omp_clause_reduction,
3497 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3498 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3499 c_parser_omp_atomic, c_parser_omp_barrier,
3500 c_parser_omp_critical, c_parser_omp_flush,
3501 c_parser_omp_for_loop, c_parser_omp_for,
3502 c_parser_omp_master, c_parser_omp_ordered,
3503 c_parser_omp_sections_scope, c_parser_omp_sections,
3504 c_parser_omp_parallel, c_parser_omp_single,
3505 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3506 * c-pragma.c (init_pragma): Do omp pragma registration here.
3507 * c.opt (fopenmp): New flag.
3509 2006-01-18 Eric Christopher <echristo@apple.com>
3511 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3512 * config/darwin.h (GOMP_SELF_SPECS): Define.
3514 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3516 * rtl.h: Remove the prototype for reg_alloc.
3518 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3521 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3522 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3523 sjlj and dwarf2 exception handling.
3524 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3525 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3526 * pa/pa.c (function_value): Treat complex and vector types as
3528 (function_arg): Likewise. Only pass scalar floats in the floating
3529 point argument registers.
3530 * pa/t-slibgcc-dwarf-ver: New file.
3531 * pa/t-slibgcc-sjlj-ver: New file.
3532 * pa/t-slibgcc-elf-ver: Delete file.
3534 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3536 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3537 unlikely_test_section_p test.
3539 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3541 * mode-switching.c (optimize_mode_switching): Make it static.
3542 * basic-block.h: Remove the prototype for
3543 optimize_mode_switching.
3545 * modulo-sched.c (sms_schedule): Make it static.
3546 * rtl.h: Remove the prototype for sms_schedule.
3548 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3549 * rtl.h: Remove the prototype for gcse_after_reload_main.
3551 * reg-stack.c (reg_to_stack): Make it static.
3552 * rtl.h: Remove the prototype for reg_to_stack.
3554 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3556 * rtl.h: Remove the prototypes for regrename_optimize and
3557 copyprop_hardreg_forward.
3559 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3561 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3562 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3563 Test against the appropriate null constant for the mode.
3564 If 'fixup_overlap' is true, swap the operands if they overlap.
3565 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3566 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3567 alpha_split_tmode_pair and adjust for above change.
3568 * config/alpha/alpha.md (movtf_internal): Adjust call to
3569 alpha_split_tfmode_pair and rely on it to swap the operands.
3570 (movti_internal): New insn and post-reload splitter.
3571 (movti): New expander.
3573 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3575 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3578 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3580 * rtlanal.c (global_reg_mentioned_p_1,
3581 global_reg_mentioned_p): Remove.
3582 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3584 * flow.c (initialize_uninitialized_subregs): Make it static.
3585 * rtl.h: Remove the prototype for
3586 initialize_uninitialized_subregs.
3588 * function.c (instantiate_virtual_regs): Make it static.
3589 * function.h: Remove the prototype for
3590 instantiate_virtual_regs.
3592 * regmove.c (regmove_optimize, combine_stack_adjustments):
3594 * rtl.h: Remove the prototypes for regmove_optimize and
3595 combine_stack_adjustments.
3597 2006-01-17 Roger Sayle <roger@eyesopen.com>
3599 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3600 (size_cost): Encode costs in bytes so that a reg-reg addition is
3601 equivalent to COSTS_N_INSNS(1).
3602 (override_options): Use the size_cost.branch_cost as the default
3603 ix86_branch_cost when optimizing for size.
3605 2006-01-18 Ben Elliston <bje@au.ibm.com>
3607 * Makefile.in (D32PBIT_FUNCS): New.
3608 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3609 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3610 D64PBIT_FUNCS and D128PBIT_FUNCS.
3611 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3612 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3614 (decnumber_dep): Define.
3615 * doc/libgcc.texi (Decimal float library routines): New node.
3616 * config/dfp-bit.h, config/dfp-bit.c: New files.
3618 2006-01-18 Ben Elliston <bje@au.ibm.com>
3620 * expr.c (emit_move_change_mode): Always adjust addresses, not
3621 just during reload. Copy replacements only during reload.
3622 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3623 emit_move_via_integer.
3625 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3627 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3628 instead of $(srcdir) and ${srcdir}.
3630 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3634 * arm.h (struct machine_function): Add pic_reg.
3635 * arm.c (arm_pic_register): Make unsigned.
3636 (arm_override_options): Only set arm_pic_register if
3637 TARGET_SINGLE_PIC_BASE.
3638 (use_return_insn): Only test for a pic register if it is fixed.
3639 (arm_compute_save_reg0_reg12_mask): Likewise.
3640 (thumb_compute_save_reg_mask): Likewise.
3641 (legitimate_pic_operand): Factor out some known invariants.
3642 (legitimize_pic_address): If we don't have a fixed pic register,
3643 then set up a pseudo in the function entry sequence. Handle the
3644 pic base being in a pseudo.
3645 (arm_load_pic_register): Handle the pic register being in a pseudo.
3646 (arm_expand_prologue): Only set up the pic register if it is fixed.
3647 (thumb_expand_prologue): Likewise.
3648 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3649 (pic_load_addr_based_insn): Likewise.
3650 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3653 2006-01-18 Ben Elliston <bje@au.ibm.com>
3655 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3656 decimal float modes for all floating point registers.
3658 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3659 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3661 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3664 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3665 even when the pointer is not NULL.
3667 2006-01-16 Ian Lance Taylor <ian@airs.com>
3669 * common.opt (ftoplevel-reorder): New option.
3670 * cgraph.c (cgraph_asm_nodes): New global variable.
3671 (cgraph_asm_last_node): New static variable.
3672 (cgraph_order): New global variable.
3673 (cgraph_create_node): Set new order field.
3674 (cgraph_varpool_node): Likewise.
3675 (decide_is_variable_needed): Return true if not
3676 flag_toplevel_reorder.
3677 (cgraph_add_asm_node): New function.
3678 * cgraph.h (struct cgraph_node): Add order field.
3679 (struct cgraph_varpool_node): Add order field.
3680 (struct cgraph_asm_node): Define.
3681 (cgraph_asm_nodes, cgraph_order): Declare.
3682 (cgraph_add_asm_node): Declare.
3683 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3685 (cgraph_varpool_assemble_pending_decls): Call it.
3686 (cgraph_output_pending_asms): New static function.
3687 (cgraph_finalize_compilation_unit): Call it.
3688 (struct cgraph_order_sort): Define.
3689 (cgraph_output_in_order): New static function.
3690 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3691 !flag_toplevel_reorder case.
3692 * c-parser.c: Include "cgraph.h".
3693 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3695 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3696 than -fno-unit-at-a-time.
3697 * doc/invoke.texi (Option Summary): Mention
3698 -fno-toplevel-reorder.
3699 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3700 -funit-at-a-time documentation.
3702 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3703 Kazu Hirata <kazu@codesourcery.com>
3705 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3707 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3709 * Makefile.in (FUNCTION_H): New. Use it instead of
3710 function.h throughout the file.
3711 * function.h: Include tree.h.
3713 2006-01-17 Ben Elliston <bje@au.ibm.com>
3715 * recog.c: Separate some functions with whitespace.
3717 2006-01-16 Richard Henderson <rth@redhat.com>
3719 Merge from gomp branch:
3720 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3721 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3722 and rename from struct inline_data. Rename callee* to dst*;
3723 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3724 transform_new_cfg, transform_return_to_modify, and
3725 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3727 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3728 (copy_decl_for_dup): Remove.
3729 * tree-inline.c (struct inline_data): Move to header.
3730 (insert_decl_map): Export.
3731 (remap_decl): Update for member name changes. Use copy_decl hook.
3732 Allow for replacement to be a non-decl. Remove dead code.
3733 (remap_type_1): Check for existing mapping.
3734 (remap_type): Export.
3735 (remap_decls): Update for member name changes.
3736 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3737 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3738 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3739 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3740 (tree_function_versioning, build_duplicate_type): Likewise.
3741 (copy_body_r): Likewise. Export.
3742 (copy_decl_for_dup): Split into ...
3743 (copy_decl_for_dup_finish, copy_decl_to_var,
3744 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3745 (replace_ref_tree, inlining_p): Remove.
3747 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3749 * ifcvt.c (if_convert): Make it static.
3750 * rtl.h: Remove the prototype for if_convert.
3752 * local-alloc.c (local_alloc): Make it static.
3753 * rtl.h: Remove the prototype for local_alloc.
3755 * loop.c (loop_optimize): Make it static.
3756 * cfgloop.h: Remove the prototype for loop_optimize.
3759 2006-01-16 DJ Delorie <dj@redhat.com>
3761 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3764 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3766 * pa.md: Disparage copies between general and floating-point registers
3767 in 32-bit move patterns.
3769 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3772 * Makefile.in (check-%): Depend on site.exp instead of
3773 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3776 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3778 * global.c (global_alloc): Make it static.
3779 * rtl.h: Remove the prototype for global_alloc.
3781 2006-01-16 Richard Guenther <rguenther@suse.de>
3783 * tree-ssa-alias.c (struct used_part): Add write_only field.
3784 (get_or_create_used_part_for): Initialize it to true.
3785 (create_overlap_variables_for): Don't create structure variables
3786 for structures that only are written to.
3787 (find_used_portions): Handle MODIFY_EXPR to track whether a
3788 structure is only written to.
3790 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3792 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3794 * basic-block.h: Remove the prototype for
3795 partition_hot_cold_basic_blocks.
3797 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3799 * cppspec.c (lang_specific_spec_functions): Remove.
3800 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3801 * gcc.h (lang_specific_spec_functions): Remove.
3802 * gccspec.c (lang_specific_spec_functions): Remove.
3804 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3806 * combine.c (record_value_for_reg): Invalidate registers
3808 (record_dead_and_set_regs_1): Likewise, by passing them to
3809 record_value_for_reg.
3810 (record_dead_and_set_regs): Invalidate stores made by a
3811 call. We do not combine across a call, but we still
3812 relied on equivalences.
3814 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3816 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3817 vrp_int_const_binop returning non-constant nodes.
3819 2006-01-16 Paul Brook <paul@codesourcery.com>
3821 * config/m68k/m68k.c (output_move_const_into_data_reg):
3822 Output correct mnemonic for mvz and mvs.
3824 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3826 * rtl-factoring.c: Add sequence abstraction algorithm.
3827 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3828 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3830 (block_has_preserve_label): New function.
3831 * common.opt: Register new pass.
3832 * Makefile.in: Ditto.
3834 * timevar.def: Ditto.
3835 * tree-pass.h: Ditto.
3836 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3837 * rtl.h (make_jump_insn_raw): Add forward decl.
3838 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3840 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3841 Roger Sayle <roger@eyesopen.com>
3843 * fold-const.c (fold_minmax): New static function.
3844 (fold_binary) <MIN_EXPR>: Call it.
3845 <MAX_EXPR>: Likewise.
3846 * stor-layout.c (place_field): Use DECL_SIZE consistently
3847 in the computation of the new record size.
3849 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3851 * cse.c (cse_condition_code_reg): Make it static.
3852 * rtl.h: Remove the prototype for cse_condition_code_reg.
3854 * combine.c (combine_instructions): Make it static.
3855 * rtl.h: Remove the prototype for combine_instructions.
3857 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3860 * tree.c (get_file_function_name_long): Concatenate the first global
3861 object name with a string derived from the input filename of the object
3864 2006-01-16 Ben Elliston <bje@au.ibm.com>
3866 * config/i386/winnt-stubs.c: Update FSF address.
3867 * config/xtensa/ieee754-df.S: Ditto.
3868 * config/xtensa/ieee754-sf.S: Ditto.
3870 2006-01-14 Ian Lance Taylor <ian@airs.com>
3872 * ifcvt.c (noce_init_if_info): New static function, broken out of
3873 noce_process_if_block.
3874 (noce_process_if_block): Call noce_init_if_info.
3875 (check_cond_move_block): New static function.
3876 (cond_move_process_if_block): New static function.
3877 (process_if_block): Call cond_move_process_if_block.
3879 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3881 * cselib.c (hash_table): Rename to cselib_hash_table.
3882 (cselib_clear_table, discard_useless_values,
3883 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3884 cselib_init, cselib_finish): Adjust uses of hash_table.
3886 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3888 PR tree-optimization/25485
3889 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3890 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3891 is known to be false and true, respectively.
3893 2006-01-14 Richard Guenther <rguenther@suse.de>
3895 PR tree-optimization/22548
3896 PR tree-optimization/22555
3897 PR tree-optimization/22501
3898 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3899 * params.def (salias-max-array-elements): New parameter.
3900 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3901 * doc/invoke.texi (salias-max-array-elements): Document.
3902 * tree-flow-inline.h (var_can_have_subvars): We also handle
3904 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3906 * tree-ssa-structalias.c (params.h): Include.
3907 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3908 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3909 (get_constraint_for): For ADDR_EXPR operating on something
3910 containing an ARRAY_REF, add all subvars to the solution.
3911 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3912 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3913 for creating MUST_DEFs.
3914 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3916 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3918 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3920 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3921 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3922 number_of_iterations_le): New functions.
3923 (number_of_iterations_special): Removed.
3924 (number_of_iterations_exit): Do not use number_of_iterations_special.
3925 * tree.c (unsigned_type_for): Always return integer type.
3927 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3928 Richard Guenther <rguenther@suse.de>
3930 PR rtl-optimization/24257
3931 * gcse.c (find_moveable_store): Only consider a store movable
3932 when the SET_SRC of the insn can be assigned to a register.
3934 2006-01-14 Ian Lance Taylor <ian@airs.com>
3936 * tree.c (tree_not_class_check_failed): New function.
3937 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3938 (tree_not_class_check_failed): Declare.
3940 2006-01-13 Ian Lance Taylor <ian@airs.com>
3942 * reload1.c (do_output_reload): Add assertion rejecting a
3945 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3947 * combine.c (struct reg_stat): Add new fields truncation_label and
3949 (record_value_for_reg): Reset truncated_to_mode.
3950 (record_truncated_value): New function.
3951 (check_promoted_subreg): Call it. Rename to check_conversions.
3952 (combine_instructions): Rename check_promoted_subreg to
3954 (reg_truncated_to_mode): New function.
3955 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3956 (gen_lowpart_or_truncate): New function.
3957 (force_to_mode): Use it instead of gen_lowpart.
3959 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3961 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3962 VAR is a tag, not its type tag.
3964 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3966 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3967 alternatives to match style of other entries.
3968 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3970 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3972 PR tree-optimization/25771
3973 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3976 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3979 * tree-inline.c (declare_return_variable): If the return variable
3980 was marked as a non gimple complex, set the return slot variable
3981 to be a non gimple comple variable.
3983 2006-01-13 Richard Guenther <rguenther@suse.de>
3985 * builtins.c (expand_builtin_sincos): New function.
3986 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3988 (expand_builtin): Expand sincos using expand_builtin_sincos.
3990 2006-01-12 DJ Delorie <dj@redhat.com>
3992 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3993 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3994 so that constant shifts can be split.
3995 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3996 (m32c_valid_pointer_mode): Make static.
3997 (shift_gen_func_for): New.
3998 (m32c_prepare_shift): Use it. Split large const shifts into
4000 * config/m32c/predicates.md (shiftcount_operand): Allow more
4002 (longshiftcount_operand): New.
4003 * doc/md.texi (Machine Constraints): Document In6.
4005 2006-01-13 Ben Elliston <bje@au.ibm.com>
4007 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4008 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4011 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4013 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4014 to try to avoid clobbering pieces of structures when we know
4015 something about the whole structure.
4016 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4018 2006-01-13 Ben Elliston <bje@au.ibm.com>
4020 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4021 return in memory, as this is no limitation is no longer present.
4023 2006-01-12 DJ Delorie <dj@redhat.com>
4025 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4026 mova with fb, and for fb+0 -> An.
4028 * config/m32c/mov.md (peephole2): Fix enabling logic.
4030 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4031 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4032 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4033 FINI_ARRAY_SECTION_ASM_OP): Define.
4035 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4037 (m32c_legitimize_reload_address): New logic to reload FB to An.
4038 (m32c_output_reg_push): Add newline.
4039 (m32c_output_reg_pop): Likewise.
4041 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4043 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4045 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4047 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4051 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4054 2006-01-11 Ben Elliston <bje@au.ibm.com>
4056 * rtlanal.c (find_reg_note): Assert insn is not null.
4058 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4060 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4063 2006-01-11 Jeff Law <law@redhat.com>
4065 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4067 (mark_threaded_blocks, register_jump_thread): New functions.
4068 (thread_through_all_blocks): Remove unwanted argument. No
4069 longer rely on e->aux to communicate thread target info.
4070 Call mark_threaded_blocks. Release the threaded_blocks
4071 bitmap and threaded_edges vector when complete.
4072 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4073 (threaded_blocks): Remove.
4074 (tree_ssa_dominator_optimize): Remove initialization and
4075 finalization of threaded_blocks. Simplify call to
4076 thread_through_all_blocks.
4077 (thread_across_edge): Call register_jump_thread rather than
4078 storing thread information into e->aux.
4079 (free_all_edge_infos): Simplify now that e->aux is no longer
4080 used to communicate with thread_through_all_blocks.
4081 * tree-flow.h (thread_through_all_blocks): Update prototype.
4082 (register_jump_thread): Prototype.
4084 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4086 * df-core.c (df_compact_blocks, df_bb_replace): Use
4087 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4089 2006-01-11 Richard Guenther <rguenther@suse.de>
4091 PR tree-optimization/25734
4092 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4093 stop propagation after successful propagation to the LHS.
4095 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4097 * basic-block.h (control_flow_graph): Change the type of
4098 x_basic_block_info to VEC(basic_block,gc) *.
4099 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4101 (SET_BASIC_BLOCK): New.
4102 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4103 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4104 * cfgbuild.c (find_basic_blocks): Likewise.
4105 * cfglayout.c (fixup_reorder_chain): Likewise.
4106 * cfgrtl.c (create_basic_block_structure,
4107 rtl_create_basic_block): Likewise.
4108 * ifcvt.c (find_if_case_1): Likewise.
4109 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4112 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4114 * Makefile.in: Removed rotted odf.c entry.
4116 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4119 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4120 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4121 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4122 output pattern modifier, not %e.
4123 * config/cris/cris.c (cris_op_str): Update comment about pattern
4125 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4126 before falling through into...
4127 <case 'E'>: Redefined from old 'e' case.
4129 2006-01-11 Jan Hubicka <jh@suse.cz>
4132 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4134 2006-01-11 Jan Hubicka <jh@suse.cz>
4136 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4137 * i386.c (x86_decompose_lea): Kill.
4138 (ix86_rtx_costs): Kill.
4140 2006-01-11 Jan Hubicka <jh@suse.cz>
4142 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4143 * cgraph.h (cgraph_node): Add inline_decl.
4144 (cgraph_insert_node_to_hashtable): Declare.
4145 (save_inline_function_body): Declare.
4146 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4148 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4149 (cgraph_function_versioning): Update call of tree_function_versioning.
4150 (save_inline_function_body): New function.
4151 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4152 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4153 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4154 (cgraph_default_inline_p): Likewise.
4155 (cgraph_decide_inlining_incrementally): Likewise.
4156 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4157 (copy_bb): Kill saving; do updating of clones.
4158 (copy_cfg_body): Kill saving.
4159 (initialize_inlined-parameters): Likewise.
4160 (expand_call_inline): Likewise.
4162 (tree_function_versioning): New parameter "update_clones".
4163 (inlining_p): Kill saving.
4164 * tree-inline.h (tree_function_versioning): Update prototype.
4165 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4168 2006-01-11 Ian Lance Taylor <ian@airs.com>
4170 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4171 Allow undoing set of machine mode.
4172 (do_SUBST): Use enums instead of is_int.
4173 (do_SUBST_MODE): New function.
4174 (SUBST_MODE): New macro.
4175 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4176 reg and trying to replace reg_regno_rtx with a new register.
4177 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4178 (simplify_set): Use SUBST_MODE.
4179 (distribute_notes): Remove code that tried to update reg notes
4180 for regno_reg_rtx changes.
4182 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4184 PR tree-optimization/23109
4185 PR tree-optimization/23948
4186 PR tree-optimization/24123
4188 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4189 * tree-cfg.c (single_noncomplex_succ): New.
4190 * tree-flow.h (single_noncomplex_succ): Declare it.
4191 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4192 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4193 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4194 insert_bb, register_division_in, insert_reciprocals,
4195 replace_reciprocal, free_bb): New.
4196 (execute_cse_reciprocals_1): Rewritten.
4197 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4198 Do not commit any edge insertion. Always compute dominators and
4199 create the allocation pool.
4200 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4201 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4202 * targhooks.c (default_min_divistions_for_recip_mul): New.
4203 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4204 * passes.c (init_optimization_passes): Run recip after tree loop
4206 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4208 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4209 Kenneth Zadeck <zadeck@naturalbridge.com>
4211 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4212 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4213 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4214 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4215 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4216 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4217 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4218 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4219 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4220 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4221 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4222 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4223 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4224 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4225 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4226 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4227 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4228 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4229 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4230 DF_SCAN_POST_ALLOC): New macros.
4231 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4232 df_free_bb_function, df_local_compute_function, df_init_function,
4233 df_dataflow_function, df_confluence_function_0,
4234 df_confluence_function_n, df_transfer_function,
4235 df_finalizer_function, df_free_function, df_dump_problem_function,
4236 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4237 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4238 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4239 df_urec_bb_info, ) New types.
4240 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4242 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4243 df_analyze_simple_change_some_blocks,
4244 df_analyze_simple_change_one_block, df_compact_blocks,
4245 df_bb_replace, df_bb_regno_last_use_find,
4246 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4247 df_insn_regno_def_p, df_find_def, df_find_use,
4248 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4249 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4250 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4251 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4252 debug_df_chain, df_get_dependent_problem, df_chain_create,
4253 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4254 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4255 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4256 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4257 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4258 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4259 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4260 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4261 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4262 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4263 df_reorganize_refs, df_set_state, df_hard_reg_init,
4264 df_read_modify_subreg_p) New public functions.
4265 * df-core.c: The core dataflow solver and glue routines for rtl
4267 (df_init, df_add_problem, df_set_blocks, df_finish,
4268 df_hybrid_search_forward, df_hybrid_search_backward,
4269 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4270 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4271 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4272 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4273 df_reg_defined, df_find_use, df_reg_used, df_dump,
4274 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4275 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4276 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4277 debug_df_useno, reset_df_after_reload): New functions.
4278 * df-scan.c: The scanning fuctions, once in df.c, completely
4279 rewritten so that they now fully model the functionality of
4280 register usage at the backend.
4281 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4282 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4283 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4284 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4285 df_get_artificial_defs, df_get_artificial_uses,
4286 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4287 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4288 df_refs_delete, df_reorganize_refs, df_set_state,
4289 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4290 df_def_record_1, df_defs_record, df_uses_record,
4291 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4292 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4293 df_record_exit_block_uses, df_hard_reg_init): New functions.
4295 * df-problems.c: Seven concrete dataflow problems that use the
4296 scanning in df-scan.c and are solved by the engine in df-core.c.
4297 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4298 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4299 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4300 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4301 df_ru_free_bb_info, df_ru_alloc,
4302 df_ru_bb_local_compute_process_def,
4303 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4304 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4305 df_ru_transfer_function, df_ru_free, df_ru_dump,
4306 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4307 df_rd_free_bb_info, df_rd_alloc,
4308 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4309 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4310 df_rd_transfer_function, df_rd_free, df_rd_dump,
4311 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4312 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4313 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4314 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4315 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4316 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4317 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4318 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4319 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4320 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4321 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4322 df_urec_mark_reg_use_for_earlyclobber,
4323 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4324 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4325 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4326 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4327 df_chain_create_bb_process_use, df_chain_create_bb,
4328 df_chain_finalize, df_chain_free, df_chains_dump,
4329 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4330 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4331 df_reg_lifetime): New functions.
4332 * df.c: Deleted file.
4333 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4334 consistent with new df api.
4335 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4336 rest_of_handle_sms): Ditto.
4337 * web.c (unionfind_union, union_defs, entry_register, web_main):
4339 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4340 invariant_expr_equal_p, find_defs, check_dependencies,
4341 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4342 free_inv_motion_data, move_loop_invariants): Ditto.
4343 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4344 Update dependencies.
4345 (odf.c): Added defective entry that was deleted later in day.
4346 * sched-deps.c (sched_analyze_1): Ditto.
4348 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4350 * tree-ssa-operands.c (get_expr_operands): Record addressable
4351 variables directly. Do not call add_stmt_operands for CONST_DECLs
4353 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4354 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4356 2006-01-11 Ben Elliston <bje@au.ibm.com>
4358 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4359 function returns true in the positive case.
4361 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4364 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4365 for SI, DI, SF and DF modes. Add alternatives to copy between
4366 general and floating point registers to the 32-bit patterns.
4367 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4368 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4369 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4370 generating 64-bit code.
4371 * config/pa/pa.c (output_move_double): Handle copies between general
4372 and floating registers.
4374 2006-01-10 Stuart Hastings <stuart@apple.com>
4376 * config/i386/i386.md (set_got): Update.
4377 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4378 (builtin_setjmp_receiver): Mach-O support.
4379 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4380 (GOT_SYMBOL_NAME): Define.
4381 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4382 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4383 * config/i386/i386.c (override_options): Revise for Darwin.
4384 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4385 support. (darwin_x86_file_end): New. (output_set_got): Add label
4386 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4387 * config/i386/i386-protos.h (output_set_got): Likewise.
4388 * config/darwin.c (machopic_legitimize_pic_address): Update
4391 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4393 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4394 when MODE isn't BLKmode.
4396 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4398 PR rtl-optimization/25367
4399 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4401 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4404 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4405 for a negative bound.
4407 2006-01-10 Richard Guenther <rguenther@suse.de>
4409 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4410 Never override with anything constraint.
4412 2006-01-10 Jan Beulich <jbeulich@novell.com>
4414 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4415 256 bits when optimize_size.
4417 2006-01-10 Jan Beulich <jbeulich@novell.com>
4419 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4421 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4422 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4425 2006-01-10 Ben Elliston <bje@au.ibm.com>
4427 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4429 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4430 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4431 (USE_FP_FOR_ARG): Reject decimal float modes.
4432 (function_arg_advance): Likewise.
4433 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4434 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4435 point types in AltiVec vectors.
4436 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4437 (rs6000_libcall_value): Likewise.
4439 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4441 * config/xtensa/ieee754-df.S: New file.
4442 * config/xtensa/ieee754-sf.S: New file.
4443 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4444 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4445 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4447 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4449 * config/sh/predicates.md (binary_float_operator,
4450 binary_logical_operator, commutative_float_operator,
4451 equality_comparison_operator, greater_comparison_operator,
4452 less_comparison_operator, logical_operator,
4453 noncommutative_float_operator, shift_operator,
4454 symbol_ref_operand, unary_float_operator): Remove redundant
4457 2006-01-09 Jeff Law <law@redhat.com>
4459 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4460 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4461 now unused arguments. Callers updated.
4462 (eliminate_redundant_computations): Remove now unused arguments,
4464 (local_fold): Remove, no longer used.
4465 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4467 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4468 (simplify_cond): New function.
4469 (forward_propagate_into_cond): Call simplify_cond.
4471 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4473 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4474 (*vec_extractv2di_1_sse): New.
4476 2006-01-09 Ben Elliston <bje@au.ibm.com>
4478 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4480 2006-01-08 Richard Guenther <rguenther@suse.de>
4482 * tree-ssa-structalias.c (get_constraint_for): Remove
4484 (get_constraint_for_component_ref): Likewise.
4485 (do_deref): Likewise.
4486 (get_constraint_for): Likewise.
4487 (do_structure_copy): Likewise.
4488 (handle_ptr_arith): Likewise.
4489 (find_func_aliases): Likewise. Remove unused need_anyoffset
4492 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4493 Kaz Kojima <kkojima@gcc.gnu.org>
4495 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4496 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4497 (EXTRA_CONSTRAINT_C16): Remove.
4498 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4499 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4500 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4501 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4502 constants of SHmedia. Handle nested constant expressions of
4504 (andcosts): Fix the costs for SHmedia constants.
4505 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4506 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4507 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4508 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4509 (movv4hi_i, movv2si_i): Likewise.
4510 (movsi_const): Adjust the second operand of ior so to match with
4512 (movdi_const, movdi_const_32bit): Likewise.
4513 (movdi_const_16bit+1): Don't sign-extend LOW.
4514 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4516 (*double_shori): Fix the split condition. Use GEN_INT instead
4517 of get_int_mode calls. Mask lower 16-bit of the argument of
4519 (sym2GOTPLT): Remove.
4520 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4522 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4523 instead of EXTRA_CONSTRAINT_C16.
4525 2006-01-07 Ian Lance Taylor <ian@airs.com>
4526 David Edelsohn <edelsohn@gnu.org>
4528 PR rtl-optimization/25662
4529 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4530 for constant operands instead of simplify_gen_binary.
4531 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4532 after trying simplify_binary_operation
4534 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4536 * tree.c (iterative_hash_expr): Hash decls based on UID.
4538 2006-01-06 Eric Christopher <echristo@apple.com>
4540 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4541 (TARGET_UNWIND_EMIT): Fix spelling.
4542 * target.h (gcc_target): Add except_table_label.
4543 * except.c (output_function_exception_table): Use.
4544 * varasm.c (default_emit_except_table_label): New.
4545 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4547 (asm_out): Add here.
4548 * output.h (default_emit_except_table_label): Prototype.
4549 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4550 * config/darwin.c (darwin_emit_except_table_label): Define.
4551 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4553 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4555 PR tree-optimization/18527
4556 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4557 number_of_iterations_special, number_of_iterations_exit):
4558 Move base and step of an iv to a single structure. Add
4559 no_overflow flag, and use it in # of iterations analysis.
4560 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4561 folded_casts argument.
4562 (simple_iv): Pass base and step in a structure. Set no_overflow
4564 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4565 Evaluate expensiveness of computing # of iterations instead of
4566 the final expression.
4567 * tree-scalar-evolution.h (affine_iv): New structure.
4568 (simple_iv): Declaration changed.
4569 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4570 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4571 find_givs_in_stmt): Changed due to simple_iv change.
4573 2006-01-06 Jeff Law <law@redhat.com>
4576 * tree-cfg.c (bsi_replace): Rename final argument from
4577 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4578 change (stmt -> orig_stmt).
4579 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4580 (bsi_remove): Add new argument. Remove EH information
4582 (verify_eh_throw_table_statements): New function.
4583 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4585 * tree-optimize.c (execute_free_cfg_annotations): Verify
4586 the EH throw statement table after removing annotations.
4587 * except.h (verify_eh_throw_table_statements): Prototype.
4588 * tree-flow.h (bsi_remove): Update prototype.
4589 * tree-vrp.c (remove_range_assertions): Add new argument to
4591 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4592 * tree-complex.c (expand_complex_div_wide): Likewise.
4593 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4594 * tree-tailcall.c (eliminate_tailcall): Likewise.
4595 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4596 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4597 * tree-nrv.c (tree_nrv): Likewise.
4598 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4599 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4600 (combine_blocks): Likewise.
4601 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4602 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4603 (cleanup_control_flow): Likewise.
4604 (remove_forwarder_block): Likewise.
4605 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4606 * tree-sra.c (sra_replace): Likewise.
4607 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4608 (forward_propagate_single_use_vars): Likewise.
4609 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4610 * tree-inline.c (expand_call_inline): Likewise.
4611 * tree-vect-transform.c (vect_transform_loop): Likewise.
4612 * tree-outof-ssa.c (rewrite_trees): Likewise.
4613 * tree-cfg.c (make_goto_expr_edges): Likewise.
4614 (cleanup_dead_labels): Likewise.
4615 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4616 (bsi_move_before, bsi_move_after): Likewise.
4617 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4618 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4620 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4623 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4625 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4626 on non gimple variables. Also add checks at the top for decls and
4628 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4630 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4631 and IMAGPART_EXPR for creating MUST_DEFs.
4632 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4633 and NAME_MEMORY_TAG separately from the DECLs.
4635 2006-01-06 Richard Guenther <rguenther@suse.de>
4637 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4638 annotation, if necessary.
4639 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4640 redundant calls to update_stmt.
4641 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4644 2006-01-05 Richard Henderson <rth@redhat.com>
4646 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4648 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4650 * c-typeck.c: Update copyright date.
4652 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4654 * c-typeck.c (build_c_cast): Always warn when casting
4655 from a pointer to an integer of different size, even if
4656 the node was constant.
4658 2006-01-05 Richard Guenther <rguenther@suse.de>
4660 PR tree-optimization/22555
4661 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4662 if one structure field is an array.
4663 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4664 operands even if we found a subvar, but ignore VOPs in this
4666 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4668 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4670 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4673 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4675 2006-01-05 Richard Guenther <rguenther@suse.de>
4676 Diego Novillo <dnovillo@redhat.com>
4678 * tree-pass.h (TODO_remove_unused_locals): Define.
4679 * gimple-low.c (expand_var_p, remove_useless_vars,
4680 pass_remove_useless_vars): Remove. Update all users.
4681 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4682 (remove_unused_locals): New function.
4683 * tree-flow.h (remove_unused_locals): Declare.
4684 * passes.c (execute_todo): Call remove_unused_locals if
4685 TODO_remove_unused_locals is set.
4686 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4687 * tree-ssa-dce.c (pass_dce): Likewise.
4688 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4690 2006-01-05 Richard Guenther <rguenther@suse.de>
4692 * tree-flow.h (struct fieldoff): Decompose field to
4693 type, size and decl.
4694 * tree-ssa-alias.c (create_sft): Take type as parameter.
4695 (create_overlap_variables_for): Store type, size and decl
4696 in the fieldoff structure.
4697 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4699 (push_fields_onto_fieldstack): Likewise.
4700 (create_variable_info_for): Likewise. Use offset for the
4701 SFT name if the decl is not available.
4703 2006-01-04 Paul Brook <paul@codesourcery.com>
4705 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4707 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4709 * lambda-code.c (can_put_in_inner_loop): Relax
4711 (can_put_after_inner_loop): New function.
4712 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4713 (perfect_nestify): Change to make copies and modify uses.
4715 2006-01-04 Richard Henderson <rth@redhat.com>
4717 Merge from gomp branch:
4718 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4719 via integer constant.
4720 (pragma_lex): Remove.
4721 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4722 rather than parsing it.
4723 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4724 handle_pragma_extern_prefix): Add %< %> quotes.
4725 (registered_pragmas): New.
4726 (c_register_pragma_1): New.
4727 (c_register_pragma): Use it.
4728 (c_register_pragma_with_expansion): Likewise.
4729 (c_invoke_pragma_handler): New.
4730 (init_pragma): Use cpp_register_deferred_pragma directly for
4732 * c-pragma.h (enum pragma_kind): New.
4733 (pragma_handler): New.
4734 (c_invoke_pragma_handler): Declare.
4735 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4737 * c-common.h (c_common_pch_pragma): Update decl.
4738 * Makefile.in (c-parser.o): Update dependencies.
4739 (GTFILES): Add c-pragma.h.
4740 * c-parser.c (struct c_token): Add pragma_kind.
4741 (struct c_parser): Add in_pragma.
4742 (c_lex_one_token): Always initialize keyword and pragma_kind.
4743 Extract data for CPP_PRAGMA.
4744 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4745 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4746 Don't allow CPP_PRAGMA_EOL if in_pragma.
4747 (c_parser_consume_pragma): New.
4748 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4749 (c_parser_skip_to_end_of_parameter): Likewise.
4750 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4751 (c_parser_skip_to_pragma_eol): New.
4752 (c_parser_external_declaration): Handle CPP_PRAGMA.
4753 (c_parser_compound_statement_nostart): Likewise.
4754 (c_parser_statement_after_labels): Likewise.
4755 (c_parser_pragma): New.
4756 (pragma_lex): Likewise.
4757 (c_parser_pragma_pch_preprocess): New.
4758 (c_parser_new): Merge into ...
4759 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4761 2006-01-04 Jeff Law <law@redhat.com>
4764 * tree-cfg.c (bsi_replace): Remove the original statement
4765 from the EH throw statement table.
4767 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4769 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4770 make the prototype extern "C" and add throw ().
4773 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4774 and pos non-negative and pos + len <= 32.
4775 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4776 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4777 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4780 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4781 as well as sizes not multiple of component size.
4784 * function.c (instantiate_expr): New function.
4785 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4786 walk its DECL_VALUE_EXPR with instantiate_expr.
4788 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4789 DW_OP_deref{,_size} if address isn't going to be added.
4791 2006-01-04 Ben Elliston <bje@au.ibm.com>
4793 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4794 * config/fp-bit.c: Likewise.
4796 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4798 * dominance.c: Add comment about why we use DFS numbering
4801 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4802 Richard Henderson <rth@redhat.com>
4804 Merge from gomp-branch:
4805 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4806 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4808 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4810 PR rtl-optimization/25578
4811 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4812 pass a parameter to simplify_shift_const if changing ASHIFTRT
4815 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4817 * builtins.c (get_builtin_sync_mem): New function.
4818 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4819 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4820 Call get_builtin_sync_mem to generate mem rtx.
4822 2006-01-03 Richard Guenther <rguenther@suse.de>
4825 * stmt.c (add_case_node): Make sure to clear overflow flags
4828 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4830 Merge from gomp-branch.
4831 * config/sparc/sync.md: New file.
4832 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4833 UNSPECV_LDSTUB): New constants.
4834 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4835 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4836 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4839 2006-01-03 Roger Sayle <roger@eyesopen.com>
4841 * combine.c (reg_subword_p): New predicate to test whether the
4842 destination of a set refers to a subword/piece of a register.
4843 (try_combine): Generalize the code to merge the setting of a
4844 pseudo to a constant followed by a set of a subword of that
4845 register to a constant.
4847 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4849 * basic-block.h (control_flow_graph): Change the type of
4850 x_label_to_block_map to VEC(basic_block,gc) *.
4851 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4852 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4854 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4855 VEC(basic_block,heap) *.
4856 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4857 ssa_prop_fini): Adjust the uses of cfg_blocks.
4859 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4861 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4863 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4864 hashing trees instead of a pointer hash.
4865 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4866 compare for MEM_EXPR.
4868 PR rtl-optimization/25130
4869 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4870 when comparing MEMs for GCSE
4872 2006-01-03 Ben Elliston <bje@au.ibm.com>
4874 * targhooks.h (default_decimal_float_supported_p): Declare.
4875 * targhooks.c (default_decimal_float_supported_p): Define.
4876 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4877 `default_decimal_float_supported_p'.
4878 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4880 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4882 * combine.c (apply_distributive_law <SUBREG>): Check
4883 TRULY_NOOP_TRUNCATION.
4885 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4887 * dwarf2out.c (have_switched_text_section): Delete.
4888 (have_multiple_function_sections): New.
4889 (have_location_lists): Make 'bool'.
4890 (add_AT_loc_list): Use 'true' not '1'.
4891 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4892 (output_loc_list): Use have_multiple_function_sections.
4893 (output_ranges): Likewise.
4894 (dwarf2out_begin_function): Set have_multiple_function_sections if
4896 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4897 Check function_section rather than DECL_SECTION_NAME.
4898 (dwarf2out_finish): Use have_multiple_function_sections.
4899 Don't clear have_location_lists.
4901 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4902 Jan Hubicka <jh@suse.cz>
4904 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4905 case of conditional jump jumping to the next instruction.
4906 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4907 cases of conditional jump jumping to the next instruction.
4909 2006-01-02 Jan Hubicka <jh@suse.cz>
4911 * i386.c (*_cost): Add COSTS_N_INSNS.
4912 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4914 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4917 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4919 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4921 * config/arm/arm.c (all_fpus): Fix comment typo.
4922 * config/darwin.c: Likewise.
4923 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4924 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4925 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4927 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4929 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4930 (rs6000_split_compare_and_swapqhi): New.
4931 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4932 (sync_compare_and_swapqhi_internal): New.
4933 * config/rs6000/rs6000-protos.h: Declare.
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