1 2006-02-16 Jeff Law <law@redhat.com>
3 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4 for sizetype when sizetype is unsigned.
6 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8 PR rtl-optimization/25603
9 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12 with new meaning of SETS.
14 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
19 * config/linux.opt: New file.
20 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
21 LINUX_DYNAMIC_LINKER): Define.
22 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
23 * config.gcc (*-*-linux*): Define extra_options.
24 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
25 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
26 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
28 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
29 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
30 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
31 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
32 * doc/invoke.texi (GNU/Linux Options): New section.
34 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
36 * config/sparc/sparc.md (setjmp): Rewrite.
38 (setjmp_64): Likewise.
40 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
42 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
45 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
47 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
50 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
52 PR rtl-optimization/26296
53 * Makefile.in (loop-invariant.c): Add except.h dependency.
54 * loop-invariant.c: Include except.h.
55 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
57 2005-02-16 Paul Brook <paul@codesourcery.com>
59 * reload1.c (emit_reload_insns): Invalidate dead input registers used
62 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
64 PR rtl-optimization/25636
65 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
66 when deciding whether an insn is an initializing insn.
68 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
70 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
71 (tree_code_size): Ditto.
72 * tree.h (struct tree_memory_tag): Remove parent_var.
73 (struct tree_struct_field_tag): New.
76 (union tree_node): Add sft member.
77 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
79 (create_sft): Add size and offset argument, set SFT_OFFSET and
81 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
82 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
83 * tree-flow-inline.h (get_subvar_at): Update for
85 (var_can_have_subvars): Ditto.
86 (overlap_subvar): Ditto.
87 * print-tree.c (print_node): Print out interesting things for
89 * tree-flow.h (struct subvar): Remove offset and size members.
90 * tree-ssa-operands.c (get_expr_operands): Update for
91 get_indirect_ref_operands changes.
92 (get_indirect_ref_operands): Call add_virtual_operand instead of
93 add_stmt_operand. Only recurse on base var if requested.
94 (access_can_touch_variable): New function.
95 (add_stmt_operand): Split virtual operand handling into ...
96 (add_virtual_operand): Here. Add offset, size, and for_clobber
97 arguments. Prune alias sets.
98 (add_call_clobber_ops): Call add_virtual_operand.
100 2006-02-15 Jakub Jelinek <jakub@redhat.com>
103 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
105 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
106 than TREE_CODE as index into omp_clause_num_ops array.
108 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
110 PR rtl-optimization/26184
111 * modulo-sched.c (generate_reg_moves): Free bitmap vector
113 * modulo-sched.c (sms_schedule): Free g_arr pointer.
114 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
115 must_precede, must_follow and tobe_scheduled.
118 * opts.c (common_handle_option): Free new_option pointer.
119 * df-core.c (df_analyze): Free postorder pointer.
121 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
123 * Makefile.in: Fix the examples about the use of stamps
125 2006-02-15 Michael Matz <matz@suse.de>
129 * stor-layout.c (layout_decl): Zero-width bitfields aren't
130 influenced by maximum_field_alignment or DECL_PACKED.
131 (update_alignment_for_field): Ditto.
132 (place_field): Ditto.
133 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
136 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
138 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
139 (debug_flow_info): Pass it.
140 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
141 * bb-reorder.c (reorder_basic_blocks): Likewise.
142 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
143 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
144 * flow.c (life_analysis, recompute_reg_usage): Likewise.
145 * gcse.c (gcse_main, bypass_jumps): Likewise.
146 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
147 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
148 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
149 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
150 * rtl.h (dump_flow_info): Adjust prototype.
151 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
152 * var-tracking.c (variable_tracking_main): Likewise.
153 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
154 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
157 2006-02-15 Marcin Dalecki <martin@dalecki.de>
159 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
162 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
164 PR tree-optimization/26209
165 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
166 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
168 * tree-cfg.c (replace_uses_by): Do not alter cfg.
170 2006-02-14 Roger Sayle <roger@eyesopen.com>
173 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
174 (X,Y) and the corresponding symmetry related transformations.
175 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
176 (X,Y) and its symmetry related transformations.
178 2006-02-14 Roger Sayle <roger@eyesopen.com>
180 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
183 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
185 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
187 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
190 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
191 support COMDAT group.
192 * configure: Regenerate.
194 2006-02-14 Roger Sayle <roger@eyesopen.com>
199 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
201 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
203 Fix PR tree-optimization/26260
205 * doc/invoke.texi (max-fields-for-field-sensitive): Document
207 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
208 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
209 * tree-ssa-structalias.c (create_variable_info_for): Use
210 MAX_FIELDS_FOR_FIELD_SENSITIVE.
212 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
214 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
216 * tree-ssa-loop-niter.c (number_of_iterations_ne,
217 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
218 of the ending condition.
219 * tree-ssa-loop-manip.c: Include params.h.
220 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
221 tree_unroll_loop): New functions.
222 * tree-pass.h (pass_loop_prefetch): Declare.
223 * loop.c (rest_of_handle_loop_optimize): Test for
224 -fprefetch-loop-arrays-rtl.
225 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
226 * timevar.def (TV_TREE_PREFETCH): New timevar.
227 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
228 pass_loop_prefetch): New.
229 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
230 (cleanup_tree_cfg_loop): Call scev_reset.
231 * common.opt (fprefetch-loop-arrays-rtl): Add.
232 * tree-ssa-loop-prefetch.c: New file.
233 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
234 (new_temp_expr_table): Initialize expr_vars.
235 (free_temp_expr_table): Cleanup expr_vars.
236 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
237 expressions from being merged into one.
238 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
239 (struct tree_niter_desc): Add control, bound and cmp fields.
240 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
242 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
243 (tree-cfgcleanup.o): Add SCEV_H dependency.
244 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
245 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
247 2006-02-14 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/26258
250 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
251 in PHI argument processing.
253 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
255 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
256 new expression in the requested machine mode.
258 2006-02-13 Roger Sayle <roger@eyesopen.com>
260 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
261 directly, instead let do_compare_rtx_and_jump handle this for us.
262 * expr.c (expand_expr_real_1): Likewise.
263 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
264 before do_jump_by_parts_greater.
265 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
266 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
268 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
270 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
272 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
274 PR rtl-optimization/26235
275 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
276 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
279 2006-02-13 Jeff Law <law@redhat.com>
281 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
284 2006-02-13 Jakub Jelinek <jakub@redhat.com>
287 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
288 twice if decl is a builtin. When trying again, call get_callee_fndecl
289 first to verify it is still a builtin.
291 2006-02-13 Geoffrey Keating <geoffk@apple.com>
293 * dwarf2out.c (base_type_die): Don't add AT_name here.
294 (subrange_type_die): Don't add AT_name here.
295 (modified_type_die): Rearrange code flow. Do add AT_name here.
297 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
299 PR rtl-optimization/26247
300 PR rtl-optimization/26248
301 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
303 2006-02-13 Richard Sandiford <richard@codesourcery.com>
305 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
306 * config/fixtfdi.c: Likewise.
307 * config/fixunstfdi.c: Likewise.
308 * config/floatditf.c: Likewise.
310 2006-02-13 Roger Sayle <roger@eyesopen.com>
313 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
314 into (X,C2) if C1 is a subset of the bits of C2. Transform
315 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
317 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
319 2006-02-13 Josh Conner <jconner@apple.com>
322 * varasm.c (function_section): Check for section name before
323 calling select_section on targets that define
324 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
325 unlikely_text_section instead of hot_function_section if
326 first_function_block_is_cold.
328 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
331 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
333 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
335 PR rtl-optimization/26222
336 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
337 after tree->rtl expansion.
338 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
339 before passing it to emit_move_insn.
341 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
343 * doc/invoke.texi (-Write-strings): Document that it is enabled by
345 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
346 Clarify documentation.
347 * c-common.h (warn_write_strings): Remove.
348 * c-common.c (warn_write_strings): Likewise.
349 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
352 2006-02-12 Roger Sayle <roger@eyesopen.com>
355 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
356 (do_jump_parts_zero_rtx): New function renamed from
357 do_jump_parts_equality_rtx. Made static. Add a mode argument.
358 (do_jump_parts_equality_rtx): New function split out from
359 do_jump_parts_equality. Old implementation renamed as above.
360 Call do_jump_parts_zero_rtx if either operand is zero.
361 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
362 do all of the heavy lifting.
363 (do_compare_rtx_and_jump): Handle multi-word comparisons by
364 calling either do_jump_by_parts_greater_rtx or
365 do_jump_by_parts_equality_rtx.
366 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
367 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
368 moved to do_compare_rtx_and_jump, call it directly.
369 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
370 mode argument. Call do_compare_rtx_and_jump.
371 (emit_case_nodes): Update calls to do_jump_if_equal.
373 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
375 PR rtl-optimization/26225
376 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
378 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
380 PR rtl-optimization/26232
381 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
383 2006-02-11 Jason Merrill <jason@redhat.com>
386 * tree-inline.c (declare_return_variable): Just don't use the
387 modify target if it's a gimple complex reg and the return slot
390 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
392 * doc/contrib.texi: Update my entry.
394 2006-02-10 Geoffrey Keating <geoffk@apple.com>
396 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
398 2006-02-10 Diego Novillo <dnovillo@redhat.com>
400 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
403 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
405 * doc/invoke.texi (-floop-optimize2): Removed.
406 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
407 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
408 Test flag_branch_on_count_reg only if HAVE_doloop_end.
409 * common.opt (floop-optimize2): Removed.
410 (fmove-loop-invariants): Enabled by default.
412 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
414 * tree-if-conv.c (combine_blocks): Free the result of
417 2006-02-10 Jeff Law <law@redhat.com>
419 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
421 PR tree-optimization/26213
422 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
423 loop trying to follow SSA_NAME_VALUE chains.
425 2006-02-10 Richard Guenther <rguenther@suse.de>
427 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
428 deal with structures that end in implicitly variable sized arrays.
430 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
432 PR rtl-optimization/24762
433 * df-scan.c (df_bb_refs_record): Record correct registers defined on
436 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
438 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
439 (struct ivopts_data): Add regs_used field.
440 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
441 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
442 instead of loop_data->regs_used;
443 (free_loop_data): Do not free aux fields for loops.
444 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
445 and tree_ssa_iv_optimize_finalize.
447 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
449 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
451 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
454 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
455 computing the effective result type.
457 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
460 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
461 (tree_overlaps_hard_reg_set): Declare.
462 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
463 type and signature to match function type expected by walk_tree.
464 (tree_overlaps_hard_reg_set): New function.
465 (decl_conflicts_with_clobbers_p): Rename to:
466 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
467 Use tree_overlaps_hard_reg_set. Changed caller.
468 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
469 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
470 * cris.c (cris_md_asm_clobbers): Likewise.
472 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
474 * reload1.c (emit_input_reload_insns): Delete code that tries to
475 inherit using find_equiv_reg.
477 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
479 * c-common.h (flag_const_strings): Don't declare.
480 * c-common.c (flag_const_strings): Remove.
481 * c.opt (fconst_strings): Remove.
482 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
483 <OPT_Wwrite_strings>: Don't set flag_const_strings.
484 (c_common_init_options): Don't set flag_const_strings.
485 * doc/invoke.texi (-fno-const-strings): Remove documentation.
487 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
489 * arm.md (tlobits_cbranch): New pattern.
490 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
491 testing a single bit.
493 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
496 * tree-ssa-pre.c (create_component_ref_by_pieces):
497 Handle RETURN_DECL like VAR_DECL.
499 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
502 * fold-const.c (fold_indirect_ref_1): Fold
503 "*(foo *)&complexfoo" to "__real__ complexfoo"
504 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
506 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
508 * tree-flow-inline.h (var_can_have_subvars):
509 Volatile variables should not have subvariables.
511 2006-02-09 Diego Novillo <dnovillo@redhat.com>
514 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
515 multiplying unsigned values.
518 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
520 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
522 2006-02-08 Jason Merrill <jason@redhat.com>
525 * tree.def: Elaborate on difference from MODIFY_EXPR.
526 * doc/c-tree.texi (INIT_EXPR): Likewise.
527 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
528 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
529 (gimplify_target_expr): Likewise.
530 (gimplify_cond_expr): Remove target handling.
531 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
532 (gimplify_expr): Clobber it here.
533 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
534 Do return slot optimization if we have an INIT_EXPR.
537 * tree-inline.c (declare_return_variable): Also clear
538 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
541 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
544 * gimplify.c (gimplify_one_sizepos): Fix typo.
546 2006-02-08 Jeff Law <law@redhat.com>
548 PR tree-optimization/21417
549 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
550 across a backedge if the control statement at the end of the
551 block is data dependent on other statements in the same block.
552 (record_temporary_equivalences_from_stmts): Remove over-conservative
553 test for threading across backedges.
555 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
556 control statement, handle all three special cases in the same
557 manner as they all have the same desired solution. No longer
558 special case edge flag updating when the post dominator is
561 2006-02-08 Roger Sayle <roger@eyesopen.com>
563 * tree.def (CHAR_TYPE): Remove.
564 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
565 * dwarf2out.c (base_type_die, is_base_type): Likewise.
566 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
567 (gen_string_type_die): Delete unreachable function.
569 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
570 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
571 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
572 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
573 * builtins.c (type_to_class): Likewise.
574 * fold-const.c (fold_convert, build_range_check,
575 merge_ranges): Likewise.
576 * expr.c (count_type_elements): Likewise.
577 * c-pretty-print.c (pp_c_type_specifier): Likewise.
578 * stor-layout.c (layout_type): Likewise.
579 * ipa-type-escape.c (type_to_consider): Likewise.
580 * gimplify.c (omp_firstprivatize_type_sizes,
581 gimplify_type_sizes): Likewise.
582 * explow.c (promote_mode): Likewise.
583 * tree-sra.c (is_sra_scalar_type): Likewise.
584 * varasm.c (output_constant): Likewise.
585 * tree-inline.c (remap_type_1): Likewise.
586 * convert.c (convert_to_pointer, convert_to_real,
587 convert_to_integer, convert_to_complex): Likewise.
589 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
591 * df-scan.c (df_def_record_1): A set destination may
592 be a parallel regardless of mode.
594 2006-02-08 Roger Sayle <roger@eyesopen.com>
597 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
598 * config/mips/_tilib.c: Remove.
599 * config/fixtfdi.c: New libgcc source file.
600 * config/fixunstfdi.c: New source file.
601 * config/floatditf.c: New source file.
602 * config/floatunditf.c: New souce file.
603 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
604 files above instead of config/mips/_tilib.c.
605 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
607 2006-02-08 Jeff Law <law@redhat.com>
609 PR tree-optimization/26169
610 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
613 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
615 * df.h (DF_REG_SIZE): Return the length of the initialized
618 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
620 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
621 __muldf3): Return a correctly signed zero.
623 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
625 * passes.c (register_one_dump_file): Accept the current properties
626 instead of pass number. Adjust call to dump_register. Remove
628 (register_dump_files): Now a wrapper around...
629 (register_dump_files_1): ... this one. Do not modify the pass
631 (next_pass_1): Cosmetic fix.
632 (execute_todo): Keep second parameter only. Use curr_properties
633 instead of fetching it from the pass structure. Check and set
635 (execute_one_pass): Handle TODO_set_props. Use curr_properties
636 instead of fetching it from the pass structure. Fix calls to
637 execute_todo. Update curr_properties and initialize .vcg RTL dump
638 after running the pass. Reset last_verified.
639 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
641 (FIRST_AUTO_NUMBERED_DUMP): New.
642 (dump_register): Remove "num" parameter, assign it within the
644 (get_dump_file_name): Modify template for dumps.
645 * tree-dump.h (dump_register): Adjust prototype.
646 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
647 (PROP_trees): Add PROP_gimple_lomp.
648 (TODO_set_props): New.
649 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
650 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
651 * cfgexpand.c (pass_expand): Destroy PROP_trees.
653 2006-02-08 Jakub Jelinek <jakub@redhat.com>
655 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
656 (sparc64-*-linux*): Likewise.
657 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
658 * config/sparc/t-linux: New file.
659 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
660 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
661 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
662 -m32 -mlong-double-128.
664 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
665 * config/alpha/t-linux: New file.
666 * config/alpha/libgcc-alpha-ldbl.ver: New file.
668 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
669 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
670 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
671 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
672 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
673 (CPP_ARCH32_SPEC): Remove.
675 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
677 PR tree-optimization/26145
678 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
681 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
684 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
685 >= 240000 when generating code for SOM runtime.
686 (output_indirect_call): Don't use "b,l" instruction for indirect calls
687 to $$dyncall when generating code for SOM runtime..
689 2006-02-07 Dirk Mueller <dmueller@suse.com>
692 * doc/invoke.texi (-Wsequence-point): Update documentation
693 that -Wsequence-point is implemented for C++ as well.
695 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
697 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
698 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
699 (LIB_SPEC): Likewise.
700 * doc/invoke.texi (SPARC options): Document -pthread.
702 2006-02-07 Geoffrey Keating <geoffk@apple.com>
704 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
707 2006-02-07 Roger Sayle <roger@eyesopen.com>
709 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
710 Correct comment describing BOOLEAN_TYPE.
712 2006-02-07 Dirk Mueller <dmueller@suse.com>
714 * c.opt: C++ frontend supports -Wdiv-by-zero.
715 * c-opts.c (c_common_handle_option): Remove dead case.
717 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
719 * configure.ac (TLS assembler check): Do not enable TLS by
720 default on SPARC/Solaris before version 10.
721 * configure: Regenerate.
723 2006-02-07 David Edelsohn <edelsohn@gnu.org>
725 * doc/invoke.texi (xl-compat): Document conversion and support
728 2006-02-07 Jeff Law <law@redhat.com>
730 * tree-vrp.c (find_conditional_asserts): Update comments.
731 (simplify_stmt_for_jump_threading): New.
732 (identify_jump_threads, finalize_jump_threads): New.
733 (vrp_finalize): Call identify_jump_threads.
734 (execute_vrp): Call finalize_jump_threads.
735 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
736 (vrp_element, vrp_data, vrp_element_p): Remove.
737 (vrp_hash_elt, vrp_variables_stack): Remove.
738 (vrp_hash, vrp_eq, record_range): Remove.
739 (simplify_cond_and_lookup_avail_expr): Remove.
740 (extract_range_from_cond): Remove.
741 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
742 (simplify_stmt_for_jump_threading): New.
743 (dom_thread_across_edge): New wrapper.
744 (tree_ssa_dominator_optimize): No longer initialize or
745 finalize any of the VRP datastructures. Remove iteration
746 step and simplify as a result of removal of iteration step.
747 (pass_dominator): Perform a cfg cleanup after DOM.
748 (dom_opt_finalize_block): Use the new common routines
749 for threading jumps. Simplify stack management slightly.
750 No longer need to unwind VRP state.
751 (record_equivalences_from_incoming_edge): No longer record
753 (eliminate_redundant_computations): No longer call
754 simplify_cond_and_lookup_avail_expr.
755 * tree-flow.h (potentially_threadable_block): Prototype.
756 (thread_across_edge): Likewise.
757 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
758 (tree-ssa-threadedge.o): Add dependencies.
759 * tree-ssa-threadedge.c: New file.
760 * passes.c (init_optimization_passes): Merge PHIs before
761 calling VRP. Run VRP again late in the SSA optimization pipeline.
763 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
765 * df-core.c (df_set_blocks): Do not dereference function pointers.
766 (df_finish1): Likewise.
767 (df_hybrid_search_forward): Likewise.
768 (df_hybrid_search_backward): Likewise.
769 (df_iterative_dataflow): Likewise.
770 (df_analyze_problem): Likewise.
771 (df_compact_blocks): Likewise.
773 * df-scan.c (df_rescan_blocks): Likewise.
774 (df_record_entry_block_defs): Likewise.
776 * genconditions.c (write_conditions): Guard the definition of
777 'insn_conditions' with the check on GCC version.
778 (write_writer): Guard the traversal 'insn_conditions' with
779 the check on GCC version.
781 2006-02-07 Richard Guenther <rguenther@suse.de>
785 2006-01-30 Richard Guenther <rguenther@suse.de>
787 * gimplify.c (gimplify_target_expr): Handle easy cases
788 without creating a temporary.
790 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
792 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
793 use of float in probability computations. Use edge probabilities
794 in place of statically computed probabilities.
795 (min_spec_prob): New static variable.
796 (schedule_insns): Initialize it.
797 (GET_SRC_PROB): Removed.
798 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
800 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
803 * config/ia64/unwind-ia64.c: Revert last change.
804 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
805 (INCOMING_FRAME_SP_OFFSET): Define.
807 2006-02-06 Roger Sayle <roger@eyesopen.com>
809 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
811 2006-02-07 Ben Elliston <bje@au.ibm.com>
813 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
814 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
815 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
816 (ix86_return_in_memory): Handle TDmode.
817 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
818 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
820 2006-02-06 Richard Sandiford <richard@codesourcery.com>
822 * reorg.c (dbr_schedule): Use dump_file instead of file.
824 2006-02-06 Steve Ellcey <sje@cup.hp.com>
827 * config/ia64/predicates.md (extr_len_operand): New predicate.
828 * config/ia64/ia64.md (extv): Tighten constraints.
830 (*tbit_and_2): Ditto.
831 (*tbit_and_3): Ditto.
837 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
840 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
842 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
844 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
845 loop_optimizer_init and loop_optimizer_finalize
846 * tree-ssa-sink.c (execute_sink_code): Ditto.
847 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
848 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
849 tree_ssa_loop_done): Ditto.
850 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
851 * sched-ebb.c: Include output.h.
852 (schedule_ebbs): Do not use dump argument.
853 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
854 * loop.c (loop_dump_stream): Removed.
855 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
857 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
858 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
859 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
860 loop_iterations, strength_reduce, record_biv, record_giv,
861 final_giv_value, check_final_value, check_ext_dependent_givs,
862 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
863 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
864 dump_file instead of loop_dump_stream.
865 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
867 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
869 * flow.c (life_analysis, rest_of_handle_life): Ditto.
870 * haifa-sched.c: Include output.h
871 (schedule_insns, sched_init): Do not use dump argument.
872 * mode-switching.c (optimize_mode_switching): Ditto.
873 * modulo-sched.c (stats_file): Removed.
874 (print_node_sched_params): Do not call argument dump_file.
875 (sms_schedule_by_order, loop_canon_p, sms_schedule,
876 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
878 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
880 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
881 rtl_loop_init, rtl_loop_done): Ditto.
882 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
883 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
885 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
886 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
887 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
888 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
889 * emit-rtl.c (renumber_insns): Ditto.
890 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
891 expand_gimple_basic_block, tree_expand_cfg): Ditto.
892 * regclass.c (regclass): Ditto.
893 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
894 remove_ssa_form, rewrite_out_of_ssa): Ditto.
895 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
896 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
898 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
899 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
901 * gcse.c (gcse_file, debug_stderr): Removed.
902 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
903 rest_of_handle_gcse): Do not use dump argument.
904 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
905 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
906 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
907 compute_code_hoist_vbeinout, compute_code_hoist_data,
908 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
909 compute_store_table, build_store_vectors, insert_insn_start_bb,
910 insert_store, remove_reachable_equiv_notes, replace_store_insn,
911 store_motion): Use dump_file instead of gcse_file.
912 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
913 * profile.c (profile_dump_file): Removed.
914 (branch_prob): Use dump_file instead of profile_dump_file.
915 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
917 * tree-ssa-copy.c (dump_copy_of): Ditto.
918 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
919 dump file to life_analysis.
920 * bt-load.c (branch_target_load_optimize): Ditto.
921 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
923 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
924 regclass, dbr_schedule): Declaration changed.
925 * sched-int.h (sched_init): Declaration changed.
926 * tree-profile.c (tree_profile_dump_file): Removed.
927 (tree_profile_hooks): Removed profile_dump_file hook.
928 * rtl-profile (rtl_profile_dump_file): Removed.
929 (rtl_profile_hooks): emoved profile_dump_file hook.
930 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
932 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
933 * tree-cfg.c (build_tree_cfg): Ditto.
934 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
935 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
937 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
938 life_analysis and schedule_insns.
939 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
941 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
943 * config/mips/mips.c (mips_reorg): Ditto.
944 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
947 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
949 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
950 (s390_mangle_fundamental_type): New.
951 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
954 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
955 (alpha_mangle_fundamental_type): New.
956 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
959 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
961 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
963 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
964 (sparc_mangle_fundamental_type): New.
966 2006-02-06 Jakub Jelinek <jakub@redhat.com>
968 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
969 (s390x-*-linux*): Likewise.
970 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
971 * config/s390/t-linux: New file.
973 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
975 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
976 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
978 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
980 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
981 (ANTIC_SAFE_LOADS): New macro.
982 (find_or_generate_expression): Add prototype.
983 (set_contains_value): Allow null set for sake of not always having
984 to allocate ANTIC_SAFE_LOADS.
985 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
986 Allow COMPONENT_REF too.
987 (valid_in_set): Allow COMPONENT_REF.
988 Check ANTIC_SAFE_LOADS too.
989 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
990 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
992 (can_PRE_operation): Add COMPONENT_REF.
993 (create_component_ref_by_pieces): New function.
994 (create_expression_by_pieces): Use create_component_ref_by_pieces.
995 (insert_aux): Move AGGREGATE_TYPE_P check here.
996 (compute_avail): Set bb local stmt uids.
997 (pass_pre): Use TODO_update_ssa_only_virtuals.
999 2006-02-06 Ben Elliston <bje@au.ibm.com>
1001 * configure.ac: Unconditionally disable decimal float by default.
1002 * configure: Regenerate.
1004 2006-02-06 Ben Elliston <bje@au.ibm.com>
1006 * read-rtl.c (read_name): Terminate reading on EOF.
1008 2006-02-06 Ben Elliston <bje@au.ibm.com>
1010 * dfp.c (decimal_real_arithmetic): Change second argument type
1011 from int to enum tree_code. Do not always return true, but now
1012 return result of any call to decimal_do helper functions.
1013 * dfp.h (decimal_real_arithmetic): Update prototype.
1015 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1017 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1019 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1022 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1025 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1027 * tree-vrp.c (cfg_loops): Removed.
1028 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1029 Use current_loops instead of cfg_loops. Pass flags to
1030 loop_optimizer_init.
1031 * cfgloopmanip.c (fix_loop_structure): Update only available
1033 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1034 loop_optimizer_init.
1035 * modulo-sched.c (build_loops_structure): Removed.
1036 (sms_schedule): Use loop_optimizer_init.
1037 * loop-init.c (loop_optimizer_init): Use flags to determine
1038 which properties of loops to prepare.
1039 (rtl_loop_init): Pass flags to loop_optimizer_init.
1040 * tree-ssa-sink.c (execute_sink_code): Ditto.
1041 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1042 * tree-ssa-pre.c (init_pre): Ditto.
1043 * cfgloop.h (LOOPS_NORMAL): New.
1044 (loop_optimizer_init): Declaration changed.
1046 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1048 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1049 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1051 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1053 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1055 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1056 * pa/t-pa64: Delete quadlib.c rule.
1057 * pa/x-ada: Revert last change.
1058 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1060 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1062 PR rtl-optimization/26087
1063 * rtlanal.c (canonicalize_condition): Do not cross basic block
1066 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1069 * config/ia64/ia64.c: Include debug.h.
1070 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1071 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1072 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1073 (process_epilogue, process_set, process_for_unwind_directive):
1074 Output unwind info only if requested. Add CFA info if requested.
1075 Add new arguments as needed. Adjust callers.
1076 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1078 (DWARF2_FRAME_INFO): Define to zero.
1079 * config/ia64/unwind-ia64.c: Remove code that compensated for
1080 the CFA offset error fixed above.
1081 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1082 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1083 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1084 -funwind-tables and -fexceptions to enable frame info.
1085 (dwarf2out_frame_init): Define initial CFA even if
1086 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1087 DWARF2_UNWIND_INFO is nonzero, not just defined.
1088 (dwarf2out_frame_finish): Output non-EH call frame info only
1089 if DWARF2_FRAME_INFO is nonzero.
1090 (convert_cfa_to_loc_list,
1091 compute_frame_pointer_to_cfa_displacement): Define even if
1092 unwind info is not supported.
1093 (gen_subprogram_die): Use the above unconditionally. Remove
1094 legacy alternate code.
1095 * toplev.c (compile_file): Compile in call to
1096 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1097 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1099 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1100 Jakub Jelinek <jakub@redhat.com>
1102 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1103 IBM extended float format long double as "g" on powerpc*-linux.
1105 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1108 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1109 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1111 2006-02-03 Jason Merrill <jason@redhat.com>
1114 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1117 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1118 on the return slot if it's an NRV.
1120 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1122 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1123 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1124 rewrite_use): Do not handle USE_OUTER.
1125 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1126 add_iv_outer_candidates, may_replace_final_value,
1127 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1128 (find_interesting_uses_op): Functionality of
1129 find_interesting_uses_outer_or_nonlin moved here.
1130 (find_interesting_uses_outside): Use find_interesting_uses_op.
1132 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1135 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1137 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1138 Ulrich Weigand <uweigand@de.ibm.com>
1141 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1142 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1143 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1144 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1146 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1147 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1148 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1149 Define secondary reloads for TFmode moves.
1150 (constant_modes): Add TFmode.
1151 (NR_C_MODES): Set to 8.
1152 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1154 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1155 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1156 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1157 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1158 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1159 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1160 (FPR mode macro): Add TFmode.
1161 (DSF mode macro): New.
1162 (<de>, <dee> mode attributes): Removed.
1163 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1164 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1165 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1166 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1167 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1168 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1169 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1170 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1171 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1172 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1173 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1174 "*negabs<mode>2", "sqrt<mode>2"):
1175 Changed <de> to <xde>. R constraint replaced by <Rf>.
1176 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1178 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1179 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1180 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1182 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1183 "extenddftf2", "extendsftf2"): New expanders.
1184 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1185 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1186 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1187 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1189 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1190 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1191 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1192 __floatditf): Add a GCC_4.1.0 symbol version tag.
1193 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1196 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1199 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1200 Use targetm.binds_local_p instead of TREE_PUBLIC.
1202 2006-02-02 Roger Sayle <roger@eyesopen.com>
1204 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1205 on INTEGER_TYPEs to indicate that it denotes a character type.
1206 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1207 signed_char_type_node, unsigned_char_type_node and char_type_node.
1208 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1209 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1210 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1212 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1213 Daniel Berlin <dberlin@dberlin.org>
1215 * tree-tailcall.c (arg_needs_copy_p): New function.
1216 (eliminate_tail_call): Use arg_needs_copy_p.
1217 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1218 (add_virtual_phis): New function.
1220 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1222 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1223 #ignore instead of #scratch for %g7 .register directive.
1225 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1227 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1230 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1232 * flow.c (calculate_global_regs_live): Assert that there aren't any
1235 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1237 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1239 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1240 bsi_after_labels iterator.
1241 * tree-if-conv.c (find_phi_replacement_condition,
1242 replace_phi_with_cond_modify_expr): Likewise.
1243 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1244 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1246 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1248 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1250 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1253 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1254 array after growing it.
1256 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1259 * fold-const.c (fold_checksum_tree): Change type of buf.
1261 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1263 * reload.c (push_secondary_reload): Initialize t_icode.
1265 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1267 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1268 -msoft-float -mlong-double-128 only issue a warning, but don't
1269 swich to DFmode long double.
1271 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1273 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1274 has a constant equivalent, iterate over equivalents for arg0,
1275 calling simplify_relational_operation and if there's a result
1276 cheaper than X, apply fold_rtx and return the result.
1278 2006-02-01 Jan Hubicka <jh@suse.cz>
1280 * opts.c (no_unit_at_a_time_default): New global variable.
1281 (decode_options): Use it.
1282 * opts.h (no_unit_at_a_time_default): Declare.
1284 2006-02-01 Paul Brook <paul@codesourcery.com>
1286 * function.c (assign_parm_setup_reg): Use function argument promotion
1288 * expr.c (expand_expr_real_1): Use function argument promotion rules
1291 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1293 * gcc.c (process_command): Change j to 'unsigned int'.
1295 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1298 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1299 Use the corrected index for the character
1300 out of the string constant.
1302 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1304 * mode-switching.c (optimize_mode_switching): Fix size
1305 allocated for bb_info[n_entities].
1307 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1309 * gcc.c (main): Correct type that is allocated for
1310 explicit_link_files.
1312 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1314 * config/s390/s390.c (init_alignment_context): Set
1315 ALIAS_SET_MEMORY_BARRIER on the MEM.
1316 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1318 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1321 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1323 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1326 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1328 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1329 * regrename.c: Ditto.
1330 * tree-ssa-loop-im.c: Ditto.
1331 * tree-dump.c: Ditto.
1332 * tree-complex.c: Ditto.
1333 * genrecog.c: Ditto.
1334 * tree-ssa-threadupdate.c: Ditto.
1336 * java/class.c: Ditto.
1337 * java/jcf-parse.c: Ditto.
1338 * java/resource.c: Ditto.
1339 * java/except.c: Ditto.
1340 * java/jvspec.c: Ditto.
1341 * java/jcf-write.c: Ditto.
1342 * java/jcf-path.c: Ditto.
1343 * java/gjavah.c: Ditto.
1344 * java/zextract.c: Ditto.
1345 * java/jcf-io.c: Ditto.
1346 * java/jcf.h: Ditto.
1347 * java/buffer.c: Ditto.
1348 * java/lang.c: Ditto.
1349 * java/parse-scan.y: Ditto.
1350 * java/lex.c: Ditto.
1351 * java/lex.h: Ditto.
1352 * cfgloopmanip.c: Ditto.
1353 * postreload-gcse.c: Ditto.
1354 * tree-ssa-loop-manip.c: Ditto.
1355 * postreload.c: Ditto.
1356 * tree-ssa-loop-ch.c: Ditto.
1360 * diagnostic.c: Ditto.
1362 * genoutput.c: Ditto.
1364 * cfghooks.c: Ditto.
1365 * cfgloopanal.c: Ditto.
1366 * objc/objc-act.c: Ditto.
1368 * genextract.c: Ditto.
1369 * genautomata.c: Ditto.
1370 * pretty-print.c: Ditto.
1372 * cgraphunit.c: Ditto.
1375 * haifa-sched.c: Ditto.
1376 * dominance.c: Ditto.
1378 * tree-ssa-loop-ivopts.c: Ditto.
1380 * mode-switching.c: Ditto.
1381 * modulo-sched.c: Ditto.
1383 * ipa-pure-const.c: Ditto.
1385 * fix-header.c: Ditto.
1387 * tree-stdarg.c: Ditto.
1388 * ipa-utils.c: Ditto.
1389 * loop-init.c: Ditto.
1390 * ipa-inline.c: Ditto.
1393 * alloc-pool.c: Ditto.
1394 * dwarf2out.c: Ditto.
1396 * genattrtab.c: Ditto.
1397 * tree-ssa-loop-ivcanon.c: Ditto.
1401 * fortran/gfortranspec.c: Ditto.
1403 * local-alloc.c: Ditto.
1404 * langhooks.c: Ditto.
1405 * function.c: Ditto.
1406 * tree-vectorizer.c: Ditto.
1408 * ipa-type-escape.c: Ditto.
1410 * tree-if-conv.c: Ditto.
1413 * tree-data-ref.c: Ditto.
1414 * loop-unroll.c: Ditto.
1415 * treelang/treetree.c: Ditto.
1418 * ggc-common.c: Ditto.
1420 * coverage.c: Ditto.
1422 * tree-cfgcleanup.c: Ditto.
1423 * tree-ssa-pre.c: Ditto.
1424 * cfgcleanup.c: Ditto.
1425 * loop-invariant.c: Ditto.
1427 * ipa-prop.c: Ditto.
1428 * print-tree.c: Ditto.
1429 * conflict.c: Ditto.
1430 * ggc-page.c: Ditto.
1431 * sched-deps.c: Ditto.
1432 * regclass.c: Ditto.
1433 * tree-object-size.c: Ditto.
1435 * bb-reorder.c: Ditto.
1436 * resource.c: Ditto.
1437 * var-tracking.c: Ditto.
1439 * df-problems.c: Ditto.
1440 * reg-stack.c: Ditto.
1443 * sched-rgn.c: Ditto.
1444 * tree-ssa-structalias.c: Ditto.
1445 * tree-ssa-reassoc.c: Ditto.
1446 * config/darwin-c.c: Ditto.
1447 * config/darwin.c: Ditto.
1448 * config/arm/arm.c: Ditto.
1450 * collect2.c: Ditto.
1453 2006-01-31 Nicolas Pitre <nico@cam.org>
1455 * arm.md (smaxsi3): Make aware of smax_m1.
1458 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1460 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1462 2006-01-31 Richard Guenther <rguenther@suse.de>
1464 * doc/invoke.texi (-msselibm): Document.
1465 * target.h (expand_library_builtin): New target hook.
1466 * builtins.c (expand_builtin): Use expand_library_builtin.
1467 (default_expand_library_builtin): New function.
1468 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1469 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1470 (link_gcc_math_spec): Declare.
1471 (static_specs): Add link_gcc_math_spec.
1472 * expr.h (default_expand_library_builtin): Declare.
1473 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1474 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1475 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1476 * config/i386/i386.opt (msselibm): New target option.
1477 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1478 (ix86_init_sse_abi_builtins): New function.
1479 (ix86_expand_library_builtin): Likewise.
1480 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1481 (override_options): Handle error conditions wrt -msselibm.
1482 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1483 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1484 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1487 2006-01-31 Richard Guenther <rguenther@suse.de>
1488 Paolo Bonzini <bonzini@gnu.org>
1490 * doc/install.texi (--disable-libgcc-math): Document.
1492 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1494 * expr.h (expand_normal): new inline function.
1495 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1497 * dwarf2out.c: use it.
1502 * config/sparc/sparc.c: use it.
1503 * config/i386/i386.c: use it.
1504 * config/rs6000/rs6000.c: use it.
1505 * config/arm/arm.c: use it.
1506 * config/mips/mips.c: use it.
1507 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1509 2006-01-30 Roger Sayle <roger@eyesopen.com>
1511 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1512 argv to the appropriate type.
1514 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1516 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1519 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1522 * config/s390/s390.c (struct machine_function): New flag
1523 decomposed_literal_pool_addresses_ok_p.
1524 (s390_reorg): Set it before final stage of literal pool transforms.
1525 (s390_decompose_address): Only accept displacements of the form
1526 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1528 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1530 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1531 the comparison routine return.
1533 2006-01-30 Michael Matz <matz@suse.de>
1535 * global.c (find_reg): Only evict for global regs.
1536 Take n_refs into account and dump more info.
1538 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1541 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1542 (pragma_trap, pragma_nosave_low_regs): Likewise.
1543 (current_function_anonymous_args): Likewise.
1544 (sh_deferred_function_attributes): New variable.
1545 (sh_deferred_function_attributes_tail): Likewise.
1546 (print_operand): For '@', look up trap_exit attribute.
1547 (calc_live_regs): Look up trapa_handler attribute. For trapa
1548 handlers, save/restore fpscr, but don't do any other
1549 interrupt-specific saves.
1550 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1551 Fix check for partially saved registers to check for SHmedia.
1552 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1553 (sh_output_function_epilogue): Don't clear any of the removed
1555 (sh_insert_attributes): Don't check pragma_interrupt.
1556 Insert deferred attributes. Check that interrupt attribute is
1557 present for other attributes that require its presence.
1558 (sh_attribute_table): Add new attributes trapa_handler and
1560 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1561 Don't check for pragma_interrupt. Don't store argument.
1562 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1563 (sh_deferred_function_attributes): Declare.
1564 (sh_deferred_function_attributes_tail): Likewise.
1565 * sh.md (sp_switch_1): Add operand. Change generator caller.
1566 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1567 (*return_i): Don't use when trap_exit attribute is in effect.
1568 (*return_trapa): New insn pattern.
1570 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1571 setting c_target_objs and cxx_target_objs.
1572 * t-sh: Add rule for sh-c.o.
1574 2006-01-30 Richard Guenther <rguenther@suse.de>
1577 * gimplify.c (gimplify_target_expr): Handle easy cases
1578 without creating a temporary.
1580 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1582 * vec.h (safe_grow): Remove duplicated line.
1584 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1587 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1588 (expand_omp): ... here.
1589 (expand_omp_parallel): Only remove barriers for combined
1590 parallel+workshare constructs.
1592 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1596 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1597 * tree.c (build_qualified_type): Chain the new type to the original
1598 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1599 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1600 (build_pointer_type_for_mode): Only return unqualified types.
1601 (build_reference_type_for_mode): Likewise.
1603 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1605 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1606 * Makefile.in (CXX_COMPAT_WARN): Define.
1607 * configure: Regenerate.
1609 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1612 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1615 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1617 * toplev.c: Fix thinko.
1619 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1620 Marcin Dalecki <martin@dalecki.de>
1622 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1623 (push_srcloc): Use XNEW.
1624 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1626 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1628 * df-core.c (df_set_blocks): Deleted all variable.
1630 2006-01-28 Ian Lance Taylor <ian@airs.com>
1632 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1633 cgraph_output_pending_asms.
1635 2006-01-28 Zack Weinberg <zackw@panix.com>
1637 * c.opt: Add -W(no-)overlength-strings.
1638 * doc/invoke.texi: Document it.
1639 * c-opts.c (c_common_handle_option): -pedantic implies
1640 -Woverlength-strings, if not explicitly disabled already.
1641 (c_common_post_options): -Woverlength-strings defaults to off, and
1642 is always off for C++.
1643 * c-common.c (fix_string_type): Issue warning about strings longer
1644 than is portable only if warn_overlength_strings. Rearrange code
1645 a little for clarity.
1646 * configure.in: Check for -Wno-overlength-strings as well before
1647 enabling -pedantic in stage 1.
1648 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1649 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1651 * genconditions.c (write_header, write_one_condition)
1652 (write_conditions, write_writer): Consolidate very long strings
1653 that were broken up to fit in C89 portable limit. Don't use
1654 printf when fputs will do.
1656 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1658 * combine.c (simplify_comparison <AND>): Check
1659 TRULY_NOOP_TRUNCATION before start using a subreg.
1661 * config/mips/mips.md (*branch_zero<mode>,
1662 *branch_zero<mode>_inverted, *branch_equality<mode>,
1663 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1664 Remove mode check from comparisons.
1666 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1668 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1670 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1672 * expmed.c (const_mult_add_overflow_p): Remove.
1673 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1675 * recog.c (validate_replace_rtx_subexp): Remove.
1676 * recog.h: Remove the prototype for
1677 validate_replace_rtx_subexp.
1679 * integrate.h: Remove the prototype for
1680 copy_decl_for_inlining.
1681 * rtl.h: Remove the prototype for mark_constant_function.
1682 * tree-vectorizer.h: Remove the prototype for
1683 vect_strip_conversion.
1685 * modulo-sched.c (create_partial_schedule,
1686 free_partial_schedule, reset_partial_schedule): Make them
1689 * hooks.c (hook_bool_rtx_int_false): Remove.
1690 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1692 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1694 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1695 and -mlong-double-128 are incompatible.
1696 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1697 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1698 (TARGET_LIBGCC2_CFLAGS): Define.
1699 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1700 (TARGET_LIBGCC2_CFLAGS): Same.
1701 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1703 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1706 * c-typeck.c (build_binary_op): Perform implicit casts of
1707 operands before shortening them.
1709 * cfgloopmanip.c (split_loop_bb): Remove.
1710 * cfgloop.h: Remove the prototype for split_loop_bb.
1712 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1713 * cfgloop.h: Remove the prototype for
1714 flow_loop_outside_edge_p.
1716 * emit-rtl.c (init_virtual_regs): Make it static.
1717 * function.h: Remove the prototype for init_virtual_regs.
1719 * recog.c (peephole2_optimize): Make it static.
1720 * recog.h: Remove the prototype for peephole2_optimize.
1722 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1724 * df-scan.c (df_record_entry_block_defs): Check if
1725 INCOMING_RETURN_ADDR_RTX is defined.
1727 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1728 Kenneth Zadeck <zadeck@naturalbridge.com>
1730 PR rtl-optimization/24762
1731 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1732 * targhooks.c (hook_void_bitmap): New hook prototype.
1733 * targhoohs.h (hook_void_bitmap): Ditto.
1734 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1735 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1736 * target.h (live_on_entry): New function pointer.
1737 * df-scan.c (df_all_hard_regs): Removed.
1738 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1739 (df_scan_free_internal): Added df->entry_block_defs.
1740 (df_scan_alloc): Ditto.
1741 (df_scan_dump): Ditto.
1742 (df_uses_record): Plumbed flag field properly thru calls.
1743 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1744 This part fixes PR24762.
1745 (df_bb_refs_record): Added code to make the frame and arg
1746 pointers live in EH blocks.
1747 (df_refs_record): Added call to df_record_entry_block_defs.
1748 (df_record_entry_block_defs): New function.
1749 * df-core.c: Added comments to describe new artifical defs.
1750 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1751 (entry_block_defs): New field in struct df.
1752 (df_all_hard_regs): Deleted.
1753 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1754 * df-problems.c (df_ru_bb_local_compute_process_def):
1755 Added code to handle artifical defs in the entry to a function.
1756 (df_ru_bb_local_compute): Ditto.
1757 (df_rd_bb_local_compute_process_def): Ditto.
1758 (df_rd_bb_local_compute): Ditto.
1759 (df_lr_bb_local_compute): Ditto.
1760 (df_ur_bb_local_compute): Ditto.
1761 (df_urec_bb_local_compute): Ditto.
1762 (df_chain_create_bb): Ditto.
1763 (df_ur_local_finalize): Removed entry.
1764 (df_urec_init): Ditto.
1765 (df_urec_local_finalize): Ditto.
1766 (df_ri_bb_compute): Added detection of last use of pseudos.
1767 * Makefile.in (df-scan.o): Updated dependencies.
1768 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1769 * config/mips/mips.c (mips_set_live_on_entry): Added.
1770 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1772 * dce.c (marked_insn_p): Added code to handle artifical defs.
1774 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1776 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1778 (_mm_cvtsi128_si64): Likewise.
1779 (_mm_cvtsd_si64): Likewise.
1780 (_mm_cvttsd_si64): Likewise.
1781 (_mm_cvtsi64_sd): Likewise.
1782 (_mm_cvtsi64_si128): Likewise.
1783 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1784 (_mm_cvtsi64_m64): Likewise.
1785 (_m_to_int64): Likewise.
1786 (_mm_cvtm64_si64): Likewise.
1787 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1788 (_mm_cvttss_si64): Likewise.
1789 (_mm_cvtsi64_ss): Likewise.
1790 (_mm_cvtss_f32): Likewise.
1792 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1794 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1795 for pragma redefine_extname.
1797 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1800 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1801 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1802 -mno-minimal-toc to previous content.
1803 (bispecs): Remove goal.
1804 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1805 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1806 compatibility aliases on powerpc-*-*gnu*.
1807 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1808 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1809 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1810 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1811 (ldblspecs): New goal.
1812 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1813 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1815 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1816 L_sf_to_tf or L_df_to_tf is defined.
1818 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1819 Alan Modra <amodra@bigpond.net.au>
1822 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1823 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1824 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1825 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1826 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1827 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1828 (rs6000_override_options): Initialize rs6000_ieeequad.
1829 Initialize TFmode format to ibm_extended_format if not
1831 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1833 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1834 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1835 (function_arg_advance): IBM long double passed in two FPRs, not
1837 (function_arg): IBM long double passed in FPRs.
1838 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1839 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1840 Only multireg GPR aligned.
1841 (rs6000_init_libfuncs): Enable IBM long double functions if not
1843 (rs6000_generate_compare): Use IBM long double compare if not
1845 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1846 (TARGET_IEEEQUAD): Define.
1847 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1848 not TARGET_IEEEQUAD.
1849 * config/rs6000/rs6000.md: Enable TFmode patterns if
1851 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1852 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1853 and -mlong-double-128 are incompatible.
1854 * doc/invoke.texi (-mabi): Collect options together. Add
1855 ibmlongdouble and ieeelongdouble.
1857 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1859 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1861 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1862 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1863 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1864 * rtl.h (rtunion_def): Remove rt_ptr.
1866 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1867 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1868 * config/i386/winnt.c (i386_pe_mark_dllexport)
1869 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1871 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1873 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1875 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1879 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1880 pthread_key_delete. From John David Anglin. gthrw-ify
1881 pthread_getunique_np only if it it's not a macro. Delete
1883 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1884 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1885 __gthread_objc_condition_signal, __gthread_key_delete): Add
1886 "__attribute__ ((__unused__))" to unused arguments.
1887 (__gthread_recursive_mutex_init_function): Add missing return.
1888 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1889 gthr-posix95.h: Use macro-based approach for name redirection
1890 on targets missing weakref.
1892 2006-01-26 Zack Weinberg <zackw@panix.com>
1894 * genconditions.c (write_header): In generated code, #ifdef out
1895 all includes and fake declarations, except includes of bconfig.h
1896 and system.h, unless GCC_VERSION >= 3001. Do not include
1897 gensupport.h in any case.
1898 (write_conditions): Generate a definition of struct c_test. Add
1899 a comment to the generated #endif.
1900 (write_one_condition): Escape backslashes in string too.
1901 (write_writer): Generated code must escape backslashes and quote
1902 marks (but not newlines) in the strings it writes.
1903 * Makefile.in (build/gencondmd.o): Update dependencies.
1905 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1908 * Makefile.in (insn-automata.o): Add header file dependencies.
1909 * genautomata.c: Add includes.
1911 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1914 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1916 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1918 * configure.ac: Expect target tools paths to be passed from the toplevel
1919 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1921 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1923 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1926 * c.opt (Wpointer-sign): Init to -1.
1927 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1928 OPT_pedantic, to 0 otherwise.
1929 * doc/invoke.texi: Update.
1931 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1933 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1934 constants provided by 80387 instructions in the destination mode.
1936 2006-01-26 Richard Guenther <rguenther@suse.de>
1937 Andrew Pinski <pinskia@physics.uc.edu>
1940 partial PR tree-opt/17064
1941 * tree-ssa-structalias.c (intra_create_variable_infos):
1942 Create heap variables for incoming parameters if
1943 flag_argument_noalias > 1.
1944 (find_what_p_points_to): Look through default defs of
1947 2006-01-26 Jeff Law <law@redhat.com>
1950 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1951 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1952 within the VR_RANGE, use the VR_RANGE as the result, not the
1954 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1955 bounds for the type.
1957 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1959 * tree-ssa-alias.c (maybe_create_global_var): Change
1960 subvar walking to an assertion that we don't have subvar'd variables.
1962 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1965 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1966 Use a new variable, inner. PARM_DECLs are always non-weak.
1968 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1970 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1973 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1975 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1977 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1979 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1980 (smax_insn, smin_insn, smax_0, smin_0): New.
1982 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1985 * config/cris/cris.c (cris_order_for_addsi3): New function.
1986 * config/cris/cris-protos.h: Prototype it.
1987 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1988 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1989 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1990 (split for "op.S1 [rx=rx+i],ry (swapped)")
1991 (split for "op(s|u).S1 [rx=rx+i],ry")
1992 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1993 Apply cris_order_for_addsi3 when generating addsi3 insns.
1995 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1997 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1998 (TREE_BLOCK): Add call to EXPR_CHECK.
2000 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2003 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2004 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2005 (dump_omp_clauses): ... here.
2006 (dump_generic_node): Handle OMP_CLAUSE.
2007 * tree.c (omp_clause_num_ops): New.
2008 (omp_clause_code_name): New.
2009 (tree_code_size): Handle OMP_CLAUSE.
2010 (tree_size): Likewise.
2011 (make_node): Document handling of OMP_CLAUSE.
2012 (tree_node_structure): Handle OMP_CLAUSE.
2013 (omp_clause_check_failed): New.
2014 (omp_clause_range_check_failed): New.
2015 (omp_clause_operand_check_failed): New.
2016 (build_omp_clause): New.
2017 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2018 * tree.h (enum omp_clause_code): Declare.
2019 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2020 (OMP_CLAUSE_RANGE_CHECK): Define.
2021 (OMP_CLAUSE_ELT_CHECK): Define.
2022 (omp_clause_check_failed): Declare.
2023 (omp_clause_operand_check_failed): Declare.
2024 (omp_clause_range_check_failed): Declare.
2025 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2026 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2027 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2028 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2029 (OMP_CLAUSE_IF_EXPR): Likewise.
2030 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2031 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2032 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2033 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2034 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2035 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2036 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2037 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2038 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2039 (OMP_CLAUSE_CODE): Define.
2040 (OMP_CLAUSE_SET_CODE): Define.
2041 (OMP_CLAUSE_CODE): Define.
2042 (OMP_CLAUSE_OPERAND): Define.
2043 (struct tree_omp_clause): Declare.
2044 (union tree_node): Add field 'omp_clause'.
2045 * treestruct.def (TS_OMP_CLAUSE): Define.
2046 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2047 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2048 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2049 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2050 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2051 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2052 (OMP_CLAUSE): Define.
2053 * print-tree.c (print_node): Handle OMP_CLAUSE.
2054 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2055 * c-typeck.c: Likewise.
2056 * gimplify.c: Likewise.
2057 * c-omp.c: Likewise.
2058 * tree-nested.c: Likewise.
2059 * tree-inline.c: Likewise.
2060 * c-parser.c: Likewise.
2061 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2064 2006-01-25 Roger Sayle <roger@eyesopen.com>
2066 PR rtl-optimization/25703
2067 * combine.c (try_combine): Handle zero_extract and strict_low_part
2068 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2070 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2072 * global.c: Fix comment typos.
2074 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2077 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2078 Use output_addr_const instead of assemble_name.
2080 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2082 * Makefile.in (sched-vis.o): Update dependencies.
2083 * haifa-sched.c (sched_finish): Clear current_sched_info.
2084 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2085 (dump_flow_info): Call it.
2086 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2088 * basic-block.h (dump_bb_info): Declare.
2089 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2090 option, and apply options only for dump files whose TDF_RTL,
2091 TDF_TREE, or TDF_IPA bits match.
2092 * rtl.h: Declare new functions exported from sched-vis.c.
2093 * sched-vis.c: Enable also if scheduling is not used.
2094 (print_value): Print the mode of registers if not inside scheduling.
2095 (print_insn): Make it work outside the scheduler. Beautify the output
2097 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2099 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2101 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2102 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2103 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2104 depending on the value of CONSTANT_POOL_ADDRESS_P.
2105 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2107 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2108 rather than SYMBOL_REF_DECL.
2109 (rtx_constant_pool): Remove const_rtx_sym_htab.
2110 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2111 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2112 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2113 Remove handling of const_rtx_sym_htab.
2114 (find_pool_constant): Delete.
2115 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2116 rather than find_pool_constant.
2117 (get_pool_constant_for_function): Delete.
2118 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2120 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2121 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2122 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2123 (SYMBOL_REF_CONSTANT): New macro.
2124 (get_pool_constant_for_function): Delete.
2125 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2126 rather than SYMBOL_REF_DECL.
2127 (i386_pe_mark_dllimport): Likewise.
2128 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2129 rather than SYMBOL_REF_DECL.
2130 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2131 (machopic_indirect_call_target): Likewise.
2133 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2135 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2137 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2139 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2141 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2143 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2145 2006-01-24 David Daney <ddaney@avtrex.com>
2148 * configure.ac (enable_tls): New enable option.
2149 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2150 * configure: Regenerate.
2151 * doc/install.texi (--enable-tls): Document new option.
2152 (--disable-tls): Ditto.
2154 2006-01-24 Richard Henderson <rth@redehat.com>
2156 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2157 * alias.c (true_dependence): Respect it.
2158 (canon_true_dependence, write_dependence_p): Likewise.
2159 * builtins.c (get_builtin_sync_mem): Set it.
2161 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2163 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2166 2006-01-24 DJ Delorie <dj@redhat.com>
2168 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2169 for storing constants in single-bit bitfields.
2171 2006-01-25 Ben Elliston <bje@au.ibm.com>
2173 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2175 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2178 * tree-ssa-pre.c (phi_translate): Return NULL
2179 for AGGREGATE_TYPE's.
2181 2006-01-24 Zack Weinberg <zackw@panix.com>
2183 * genautomata.c (process_state_for_insn_equiv_partition):
2184 Use xcalloc for insn_arcs_array.
2185 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2186 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2188 2006-01-24 Richard Henderson <rth@redhat.com>
2190 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2193 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2195 PR rtl-optimization/25890
2196 PR rtl-optimization/25905
2197 * combine.c (expand_compound_operation, expand_field_assignment):
2198 Fail if the bitfield's final position is out of bounds.
2200 2006-01-24 Ian Lance Taylor <ian@airs.com>
2203 * cgraphunit.c (cgraph_output_in_order): Don't clear
2204 cgraph_asm_nodes until after asm strings have been output.
2206 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2208 * fix-header.c (read_scan_file): Add new parameter imultilib when
2209 calling register_include_chains.
2211 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2213 * omp-low.c: Update documentation.
2215 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2216 Daniel Berlin <dberlin@dberlin.org>
2220 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2221 return from the function.
2223 2006-01-22 Zack Weinberg <zackw@panix.com>
2225 * rtl.def (match_code): Add second argument.
2226 * genpreds.c (write_extract_subexp): New function.
2227 (write_match_code): Add path argument. Use write_extract_subexp.
2228 (write_predicate_expr): Pass path to write_match_code.
2229 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2230 not perform a mode test.
2231 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2232 a subexpression does not constrain the top-level code set.
2233 * read-rtl.c (read_rtx_variadic): New function.
2234 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2235 * doc/md.texi: Document new notation.
2236 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2237 (cmpsi_operand): ... here, using new notation.
2239 2006-01-22 Zack Weinberg <zackw@panix.com>
2241 * varray.c: Remove GENERATOR_FILE #ifdefs.
2243 2006-01-22 Zack Weinberg <zackw@panix.com>
2245 * genautomata.c (output_reserved_units_table): Emit nothing if
2246 description->query_units_num is zero. Remove extra blank line.
2247 (output_cpu_unit_reservation_p): Short circuit
2248 if description->query_units_num is zero.
2250 2006-01-22 Zack Weinberg <zackw@panix.com>
2252 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2253 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2254 nor any of the random handful of variables that used to be necessary
2255 when this program was linked with rtlanal.o. Prune set of forward
2256 function declarations.
2257 (struct attr_desc): Remove static_p field.
2258 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2259 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2260 (attr_string): Do not read the character one past the length of
2262 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2263 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2264 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2265 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2266 (make_automaton_attrs): New.
2267 (main): Do not call into genautomata. Call local gen_bypass
2268 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2269 Remove special case for insn_alts.
2270 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2271 varray.h (leftover from previous change). Prune set of forward
2272 function declarations. Remove state_alts fields from all
2273 structures. Remove state_alts_table from struct automaton.
2274 Make everything except main static. Do not maintain num_dfa_decls.
2275 Do not maintain state_alts fields of various structures.
2276 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2277 (add_arc): Remove state_alts argument. All callers updated.
2278 (output_reserved_units_table): Emit #ifdef here...
2279 (output_tables): ...not here. Don't generate state_alts tables.
2280 (expand_automata): Don't generate attributes.
2281 (write_automata): Don't generate state_alts functions.
2282 (main): New function.
2283 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2284 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2285 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2286 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2287 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2288 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2289 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2290 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2292 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2293 * genattrtab.h: Delete file.
2294 * Makefile.in (OBJS-common): Add insn-automata.o.
2295 (insn-automata.o): New rule.
2296 (simple_generated_c): Add insn-automata.c.
2297 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2298 (genprogmd): Add automata.
2299 (build/genattrtab): Needs no extra objects nor libraries.
2300 (build/genautomata): Needs build/vec.o and -lm.
2302 2006-01-22 Zack Weinberg <zackw@panix.com>
2304 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2305 (output_dfa_max_issue_rate, locked_states_num): Delete.
2306 (struct automaton): Add locked_states field.
2307 (output_dead_lock_vect): Save number of locked states in
2308 automaton->locked_states. If it is zero, don't print anything.
2309 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2310 (output_internal_dead_lock_func): Only test the dead_lock_vect
2311 for automata that have locked states.
2312 (output_statistics): Always print the number of locked states for
2313 each automaton. Calculate total number of locked states here.
2314 (write_automata): Don't call output_dfa_max_issue_rate.
2315 * genattrtab.c: Define length_unit_log as a const variable.
2316 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2317 max_insn_queue_index const.
2318 * final.c (length_unit_log): Declare const.
2319 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2321 2006-01-22 Zack Weinberg <zackw@panix.com>
2323 * genautomata.c: Include vec.h, not varray.h.
2324 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2325 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2326 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2327 VEC_* macros operating on appropriately typed vectors, or to
2328 malloced arrays when the size is known in advance. Const-ify
2329 many char* variables and function arguments. No functional changes.
2330 * Makefile.in (build/varray.o): Delete rule.
2331 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2332 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2334 2006-01-22 Zack Weinberg <zackw@panix.com>
2336 * gensupport.c: Define get_insn_name and record_insn_name here.
2337 (read_md_rtx): Call record_insn_name as appropriate.
2338 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2339 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2340 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2342 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2343 (BUILD_VARRAY): Delete.
2344 (genprognormal): Rename genprogmd. Fold in all programs from
2345 genprognoprint; also attrtab.
2346 (build/genattrtab): Just mention genautomata.o and varray.o.
2347 Reorganize a bit, add comments to make the categories clearer.
2349 2006-01-22 Zack Weinberg <zackw@panix.com>
2351 * genconditions.c (condition_table, add_condition): Delete.
2352 (write_conditions): Don't emit n_insn_conditions nor
2353 insn_elision_unavailable. Issue the gcc version #ifdef here,
2354 inside the table, with no #else clause ...
2355 (write_header): ...not here.
2356 (write_writer): New function.
2357 (main): Don't initialize condition_table. Use add_c_test.
2359 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2360 files on the command line.
2361 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2362 Return -1 if there is no entry in the table, don't abort.
2363 (add_c_test, traverse_c_tests): New functions.
2364 * gensupport.h (insn_elision_unavailable, insn_conditions)
2365 (n_insn_conditions): Delete declarations.
2366 (add_c_test, traverse_c_tests): Declare.
2367 * read-rtl.c: Include gensupport.h.
2368 (read_conditions): New function.
2369 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2370 (read_rtx_1): If we get EOF when we were looking for an initial
2371 open paren, return 0. Call read_conditions when appropriate.
2372 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2373 dummy-conditions.o. Eliminate references to insn-conditions.o,
2374 or change them to build/gencondmd.o, as appropriate. Remove
2375 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2376 from $(simple_generated_c). For all files remaining in those
2377 two lists, add insn-conditions.md to the generator command line.
2378 Give insn-constants.h/s-constants their own rules. Add rules
2379 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2380 (build/read-rtl.o): Depend on gensupport.h.
2381 (genprognormal): Include preds.
2382 (genprogearly): Rename genprognoprint; only difference is now that
2383 they don't link with $(BUILD_PRINT).
2384 * dummy-conditions.c: Delete.
2386 2006-01-22 Zack Weinberg <zackw@panix.com>
2388 * genextract.c: Don't include insn-config.h. Do include vec.h.
2389 Declare vectors of int, char, and locstr.
2390 (locstr): New typedef.
2391 (struct extraction): Make all array fields into bare pointers.
2392 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2393 (insn_code_number): Delete.
2394 (accum_extract): New struct.
2395 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2396 (gen_insn): Take insn_code_number as an argument. Use an
2397 accum_extract structure instead of loading data directly into
2398 a struct extraction, and having to know how big it might get.
2399 (walk_rtx): Operate entirely on an accum_extract structure.
2400 (print_path): Avoid unnecessary use of printf.
2401 (print_header): New function, split out of main. Distinguish
2402 more carefully between an unrecognizable insn and an insn that
2403 has the code number of a define_expand.
2404 (main): Pass insn_code_number to gen_insn. Call print_header
2405 only after parsing. Avoid unnecessary use of printf.
2406 * Makefile.in (build/vec.o): New rule.
2407 (build/genextract): Depend on build/vec.o.
2408 (build/genextract.o): Don't depend on insn-config.h.
2410 2006-01-22 Zack Weinberg <zackw@panix.com>
2412 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2413 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2414 practical. Eliminate per-generator-program link rules.
2416 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2419 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2420 with a call expr to ...
2421 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2423 2006-01-23 Richard Guenther <rguenther@suse.de>
2425 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2426 before make_edge with conditional EDGE_TRUE_VALUE.
2428 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2429 Jan Hubicka <jh@suse.cz>
2430 Richard Guenther <rguenther@suse.de>
2432 PR rtl-optimization/25654
2433 * cfgexpand.c (aggregate_contains_union_type): New function.
2434 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2435 for structure variables that contain a union type.
2437 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2439 * gengtype.c (new_structure): Return the structure.
2440 (create_option): Add an extra "next" argument.
2441 (create_field): New function.
2442 (adjust_field_rtx_def): Use create_option and create_field.
2443 Remove a now-unnecessary call to find_structure.
2444 (adjust_field_tree_def): Likewise.
2445 (note_yacc_type): Remove an unnecessary call to find_structure.
2446 * gengtype.h (new_structure): Return the structure.
2447 (create_option): Add an extra argument.
2448 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2449 (option): Adjust calls to create_option.
2451 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2453 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2455 2006-01-22 Paul Brook <paul@codesourcery.com>
2456 Peter Barada <peter@the-baradas.com>
2458 * config/m68k/m68k.md: Add Coldfire FPU support.
2459 Define FP mode macro and associated attributes.
2460 Use it for float mode patterns.
2461 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2462 (LIBCALL_VALUE): Use m68k_libcall_value.
2463 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2464 (m68k_function_value): Ditto.
2465 (emit_move_sequence): Ditto.
2466 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2467 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2468 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2469 (MULTILIB_EXCEPTIONS): Ditto.
2470 * config/m68k/m68k.opt: Add mcfv4e.
2471 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2472 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2473 (m68k_output_function_prologue): Save ColdFire FPU registers.
2474 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2475 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2476 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2477 ColdFire FPU registers.
2478 (m68k_libcall_value, m68k_function_value): New functions.
2479 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2480 (LIBCALL_VALUE): Use m68k_libcall_value.
2481 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2482 (MASK_COLDFIRE): Add MASK_CFV4E.
2483 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2484 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2485 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2486 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2487 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2488 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2489 * doc/invoke.tex: Document -mcfv4e on m68k.
2491 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2493 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2496 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2499 * c-opts.c (c_common_handle_option): Don't include
2500 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2501 * doc/invoke.texi (C++ Dialect Options): Document that
2502 -Wnon-virtual-dtor is no longer included in -Wall.
2504 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2506 * gcov.c (print_version), gcov-dump.c (print_version),
2507 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2510 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2512 * df-scan.c (problem_SCAN): Added NULL reset function.
2513 (df_scan_reset_blocks): Added code to call reset block function
2514 (df_bb_refs_delete) Fixed comment.
2515 (df_insn_refs_delete): Made tolerant of deleting non existent info
2516 for dataflow problems that need to be reset.
2517 * df-core.c (df_set_blocks): Ditto.
2518 * df.h (struct df_problem): Added reset_fun.
2519 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2520 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2521 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2522 functions to clear out all references to def-use or use-def chains.
2524 2006-01-21 Ben Elliston <bje@au.ibm.com>
2526 * varasm.c (assemble_real): Initialise data array.
2528 2006-01-20 Paul Brook <paul@codesourcery.com>
2530 Merge from csl-arm-branch.
2531 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2532 * config/arm/arm.md (movdi): Force operands[1] to a register
2533 if we have a non-register source.
2534 (*arm_movdi, *movdf_soft_insn): Require that one of the
2535 operands be a register.
2536 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2537 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2539 2006-01-20 DJ Delorie <dj@redhat.com>
2541 * varasm.c (initialize_constant_valid_p): Allow pointers
2542 initialized from integer constants of lesser precision.
2543 (output_constant): Allow non-int-sized pointer modes to be
2544 initialized from integer constants.
2546 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2549 * cppdefault.h (struct default_include): Add multilib flag.
2550 * cppdefault.c (cpp_include_defaults): Set it.
2551 * c.opt (-imultilib): New option.
2552 * c-opts.c (imultilib): New.
2553 (c_common_handle_option): Handle -imultilib.
2554 (c_common_post_options): Likewise.
2555 * c-incpath.c (add_standard_paths, register_include_chains):
2557 * c-incpath.h (register_include_chains): Add extra parameter.
2558 * gcc.c (do_spec_1): Generate -imultilib option.
2559 (The Specs Language): Update %I description.
2560 (process_command): Update copyright notice.
2561 * doc/cppopts.texi (-imultilib): Document.
2562 * doc/invoke.texi (-imultilib): Include in option summary.
2563 (%I): Update specs documentation.
2565 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2567 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2569 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2571 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2574 2006-01-20 Richard Guenther <rguenther@suse.de>
2575 Steven Bosscher <stevenb.gcc@gmail.com>
2577 PR rtl-optimization/24626
2578 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2579 EDGE_TRUE_VALUE if in RTL mode.
2582 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2583 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2585 2006-01-20 Dirk Mueller <dmueller@suse.com>
2588 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2589 instead of a special NOP marker.
2590 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2591 NOP marker handling.
2592 * c-common.h (empty_body_warning): Add forward declaration.
2593 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2594 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2596 2006-01-20 Paul Brook <paul@codesourcery.com>
2598 * Makefile.in (lang_checks): Keep going if mkdir fails.
2600 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2602 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2603 be able to clean out basic block when not necessary.
2604 (df_scan_free): Fixed to properly delete information if df is
2605 unused before calling df_finish.
2606 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2607 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2609 (df_bb_refs_delete): New function.
2610 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2611 * df-core.c (df_set_blocks): Added code to properly clean out
2612 unused blocks if they are not part of the blocks to consider.
2613 Added additional null check.
2614 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2615 be able to clean out basic block when not necessary
2616 * df.h (df_free_bb_function): Ditto.
2617 (df_bb_refs_delete): New function.
2618 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2619 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2620 basic block parameter to be able to clean out basic block when not
2622 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2623 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2624 Fixed to properly delete information if df is unused before
2627 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2629 PR rtl-optimization/25799
2630 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2631 Corrected confluence operator to remove bits from op2 before oring
2632 with op1 rather than removing bits from op1.
2633 (df_ru_transfer_function): Corrected test on wrong bitmap which
2634 caused infinite loop. Both of these problems were introduced in
2635 the dataflow rewrite.
2637 2006-01-19 DJ Delorie <dj@redhat.com>
2639 * reload1.c (find_reload_regs): Note the details of reload
2640 failures in the dump file.
2641 (spill_failure): Likewise.
2643 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2645 * loop-iv.c: Include df.h and hashtab.h.
2646 (enum iv_grd_result): New enum.
2647 (DF_REF_IV, DF_REF_IV_SET): New macros.
2648 (struct biv_entry): New.
2649 (df, bivs): New global variables.
2650 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2651 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2653 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2654 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2655 analyzed_for_bivness_p, record_biv): New functions.
2656 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2657 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2658 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2660 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2662 (iv_number_of_iterations): Use new interface to iv analysis.
2663 * loop-unroll.c: Do not include varray.h.
2664 (analyze_iv_to_split_insn): Use new interface to iv
2666 * loop-unswitch.c (may_unswitch_on): Ditto.
2667 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2669 (df_bb_modify): Realloc tables to the new index.
2670 (df_find_use): New function.
2671 * df.h (df_find_use): Declare.
2672 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2674 * cfgloop.h (struct rtx_iv): Remove analysed field.
2675 (iv_get_reaching_def): Removed.
2676 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2677 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2678 (loop-iv.o): Add df.h and hashtab.h dependency.
2679 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2681 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2684 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2686 (__floatundisf, __floatundidf): Likewise.
2687 * libgcc2.h (IS_IBM_EXTENDED): Define.
2689 2006-01-19 DJ Delorie <dj@redhat.com>
2691 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2693 2006-01-19 Paul Brook <paul@codesourcery.com>
2695 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2696 as nothrow when unwinding tables are disabled.
2698 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2701 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2702 of bit-field" when in system header.
2704 2006-01-19 DJ Delorie <dj@redhat.com>
2706 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2707 the 16 bit shift limit of the m16c.
2709 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2712 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2713 * config/i386/i386.c (output_set_got): Output the label if we have one
2714 for the TARGET_DEEP_BRANCH_PREDICTION case.
2716 2006-01-19 Jan Hubicka <jh@suse.cz>
2717 H.J. Lu <hongjiu.lu@intel.com>
2718 Evandro Menezes <evandro.menezes@amd.com>
2720 * invoke.texi (generic): Document
2722 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2723 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2724 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2725 (x86_use_incdec, x86_pad_returns): New variables
2726 (TARGET_CPU_DEFAULT_generic): New constant
2727 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2728 (enum processor_type): Add generic32 and generic64.
2729 * i386.md (cpu attribute): Add generic32/generic64
2730 (movhi splitter): Behave sanely when both partial_reg_dependency and
2731 partial_reg_stall are set.
2732 (K8 splitters): Enable for generic as well.
2733 * predicates.md (incdec_operand): Use TARGET_INCDEC
2734 (aligned_operand): Avoid memory mismatch stalls.
2735 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2736 * ppro.md: Enable for generic32
2737 * i386.c (generic64_cost, generic32_cost): New.
2738 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2739 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2740 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2741 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2742 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2743 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2744 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2745 x86_accumulate_outgoing_args, x86_prologue_using_move,
2746 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2747 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2749 (x86_use_incdec, x86_pad_returns): New.
2750 (override_options): Add generic32 and generic64, translate "generic"
2751 to generic32/generic64 and "i686" to "generic32", refuse
2752 "generic32"/"generic64" as arch target.
2753 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2754 (ix86_reorg): Honor PAD_RETURNS.
2756 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2758 * tree-pretty-print.c (dump_generic_node): Handle
2759 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2760 * cgraph.c (cgraph_expand_queue): Rename from
2761 cgraph_analyze_queue. Update all users.
2762 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2763 cgraph_expand_queue.
2764 (cgraph_expand_all_functions): Likewise.
2765 (cgraph_finalize_pending_functions): Remove. Update callers.
2767 * tree.h (OMP_DIRECTIVE_P): Define.
2768 (OMP_PARALLEL_FN): Define.
2769 (OMP_PARALLEL_DATA_ARG): Define.
2770 (OMP_SECTIONS_SECTIONS): Define.
2771 * tree-pass.h (pass_expand_omp): Declare.
2772 * omp-low.c (struct omp_region): Declare.
2773 (struct omp_context): Remove fields 'parallel_type',
2774 'parallel_start_ix' and 'parallel_start_additional_args'.
2776 (struct omp_for_data): Rename from struct expand_omp_for_data.
2777 (omp_regions): New static variable.
2778 (root_omp_region): New static variable.
2779 (find_omp_clause): Make static.
2780 (is_in_combined_parallel_ctx): Remove.
2781 (is_combined_parallel): New.
2782 (extract_omp_for_data): Move earlier in the file.
2783 (workshare_safe_to_combine_p): New.
2784 (get_ws_args_for): New.
2785 (determine_parallel_type): Move earlier in the file.
2786 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2788 (omp_copy_decl): Likewise.
2789 (create_omp_child_function): Likewise.
2790 (lookup_omp_region): New.
2791 (dump_omp_region): New.
2792 (debug_omp_region): New.
2793 (debug_all_omp_regions): New.
2794 (new_omp_region): New.
2795 (scan_omp_parallel): If parallel_nesting_level > 1, the
2796 directive is nested within another parallel directive.
2797 Set OMP_PARALLEL_FN.
2798 (scan_omp_for): Do not try to handle combined parallel+for
2800 Remove FIXME comment.
2801 (scan_omp_nested): Remove.
2802 (scan_omp_1): Do not call scan_omp_nested when
2803 parallel_nesting_level is > 1.
2804 Do not change the DECL_CONTEXT of local variables found.
2805 (lookup_decl_in_outer_ctx): New.
2806 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2807 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2808 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2809 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2810 If CTX is nested, lookup VAR in the outer context when
2811 building copy assignment.
2812 (lower_send_clauses): Rename from expand_send_clauses.
2813 If CTX is nested, lookup VAR in the outer context when
2814 building copy assignments.
2815 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2816 If CTX is nested, lookup VAR in the outer context when
2817 building copy assignments.
2818 (expand_parallel_call): Rename from build_parallel_call.
2819 Handle combined parallel+workshare cases.
2820 Re-implement to emit code into the CFG.
2822 (expand_omp_parallel): Re-implement to emit code into the CFG.
2823 Call move_sese_region_to_fn to outline the sub-graph
2824 containing the parallel region.
2825 (expand_omp_for_1): Remove.
2826 (expand_omp_for_generic): Re-implement to emit code into the
2828 (expand_omp_for_static_nochunk): Likewise.
2829 (expand_omp_for_static_chunk): Likewise.
2830 (expand_omp_for): Likewise.
2831 (expand_omp_sections): Likewise.
2832 (remove_exit_barriers): New.
2833 (expand_omp_synch): New.
2835 (build_omp_regions_1): New.
2836 (build_omp_regions): New.
2837 (execute_expand_omp): New.
2838 (gate_expand_omp): New.
2839 (pass_expand_omp): Define.
2840 (lower_omp_sections): Rename from expand_omp_sections.
2841 Set OMP_SECTIONS_SECTIONS.
2842 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2843 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2844 (lower_omp_single): Rename from expand_omp_simple.
2845 (lower_omp_master): Rename from expand_omp_master.
2846 (lower_omp_ordered): Rename from expand_omp_ordered.
2847 (lower_omp_critical): Rename from expand_omp_critical.
2848 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2849 (lower_omp_for): Re-implement.
2850 (lower_omp_parallel): Re-implement.
2851 (lower_regimplify): Rename from expand_regimplify.
2852 (lower_omp_1): Rename from expand_omp_1.
2853 If there are syntax errors in the program, replace every
2854 OpenMP directive with NOP.
2855 Call lower_omp_* instead of expand_omp_*.
2856 (lower_omp): Rename from expand_omp.
2858 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2859 * tree-gimple.h (enum omp_parallel_type): Remove.
2860 (gimple_boolify): Declare extern.
2861 (find_omp_clause, determine_parallel_type): Remove.
2863 * gimple-low.c (lower_omp_directive): New.
2864 (lower_stmt): Call it.
2865 (record_vars_into): Move from ...
2866 (record_vars): ... here.
2867 Call record_vars_into with current_function_decl.
2869 * gimplify.c (struct gimplify_ctx): Remove fields
2870 combined_pre_p and combined_ctxp. Update users.
2871 (get_formal_tmp_var): Add documentation.
2872 (gimple_boolify): Make extern.
2873 (gimplify_expr_in_ctx): Remove. Update callers.
2874 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2875 will always be a BIND_EXPR.
2876 (gimplify_expr): Handle OMP_RETURN_EXPR.
2877 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2878 (OMP_PARALLEL): Add 3 operands.
2879 (OMP_SECTIONS): Add 1 operand.
2880 (OMP_RETURN_EXPR): Define.
2882 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2883 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2884 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2885 creating a circular free list.
2886 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2888 * tree-flow.h (move_sese_region_to_fn): Declare.
2889 (record_vars_into): Declare.
2890 * tree-cfg.c (make_omp_sections_edges): New.
2891 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2892 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2893 OMP_SECTIONS and OMP_SECTION.
2894 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2895 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2896 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2897 (gather_blocks_in_sese_region): New.
2898 (struct move_stmt_d): Declare.
2900 (move_block_to_fn): New.
2901 (move_sese_region_to_fn): New.
2903 * passes.c (init_optimization_passes): Schedule
2904 pass_expand_omp after pass_init_datastructures.
2906 * tree-ssa-operands.c (get_expr_operands): Handle
2907 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2908 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2910 2006-01-19 Jeff Law <law@redhat.com>
2912 * tree-vrp.c (extract_range_from_assert): Refine the result range
2913 if the variable referenced by the ASSERT_EXPR has a range and
2914 either the tentative result range or the previous range is a
2917 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2919 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2921 2006-01-19 Jan Hubicka <jh@suse.cz>
2923 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2925 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2927 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2928 (expand_compound_operation, expand_field_assignment): Fail if the
2929 bit lengths of an extract operation are out of range.
2930 (make_extraction): Compute wanted_inner_mode based on the position
2931 and length of the extraction. Make it extraction_mode for non-constant
2932 positions, and do not modify offset in that case. When generating a
2933 new MEM, use a mode that can hold the extraction while keeping correct
2934 alignment. Remove code that supported MEMs wrapped by USEs.
2935 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2937 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2939 * config/s390/s390.md ("Y", "y"): New mode attribute.
2940 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2941 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2942 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2943 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2944 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2945 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2946 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2947 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2948 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2949 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2950 "addsi3", "subsi3"): Insn patterns removed.
2951 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2952 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2953 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2954 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2955 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2956 "*sub<mode>3_cconly2"): New insn patterns.
2957 ("addsi3", "subsi3"): New expanders.
2959 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2961 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2962 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2963 existing STMT_VINFO_VECTYPE if available.
2964 (vect_mark_relevant): Add special handling for stmts that are
2965 marked as STMT_VINFO_IN_PATTERN_P.
2966 (vect_analyze_loop): Call vect_pattern_recog.
2967 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2968 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2970 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2971 (vect_recog_func_ptr): New function-pointer type.
2972 * tree-vect-patterns.c: New file.
2973 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2974 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2975 (vect_pattern_recog_1): New functions.
2976 (vect_pattern_recog_funcs): New array of function pointers.
2978 * tree-vectorizer.h (ternary_op): New enum value.
2979 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2980 declaration. Revised documentation. Removed redundant dump prints.
2981 Removed redundant argument. Added support for reduction patterns.
2982 (vectorizable_reduction): Added support for reduction patterns.
2983 (vect_transform_stmt): Added support for patterns.
2985 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2986 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2987 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2988 (expand_widen_pattern_expr): New function.
2989 (init_optabs): Initialize new optabs udot_prod_optab,
2991 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2992 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2993 (expand_widen_pattern_expr): New function declaration.
2994 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2996 * tree-inline.c (estimate_num_insns_1): Added cases for new
2997 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2998 * tree-pretty-print.c (dump_generic_node): Likewise.
2999 (op_prio): Likewise.
3000 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3001 * tree-ssa-operands.c (get_expr_operands): Added case for
3003 * tree-vect-patterns.c (widened_name_p): New function.
3004 (vect_recog_dot_prod_pattern): Added function implementation.
3005 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3006 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3007 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3008 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3010 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3011 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3012 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3013 (init_optabs): Initialize new optabs widen_ssum_optab,
3015 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3016 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3017 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3018 use instead of type of def.
3019 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3020 function implementation.
3021 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3022 widen_ssumv8hi): New.
3024 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3027 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3030 * c-decl.c (add_flexible_array_elts_to_size): New function.
3031 (finish_decl): Use it.
3033 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3035 * diagnostic.h: Include options.h.
3036 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3037 dependancies for diagnostic.h.
3038 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3040 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3042 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3043 (ssa_ro_call_cache_valid): Ditto.
3044 * tree-ssa-alias.c (sort_tags_by_id): New function.
3045 (init_transitive_clobber_worklist): Ditto.
3046 (add_to_worklist): Ditto.
3047 (mark_aliases_call_clobbered): Ditto.
3048 (compute_tag_properties): Ditto.
3049 (set_initial_properties): Ditto.
3050 (compute_call_clobbered): Ditto.
3051 (compute_may_aliases): Call compute_call_clobbered and grouping.
3052 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3053 (compute_flow_insensitive_aliasing): Grouping now happens in our
3055 (setup_pointers_and_addressables): Remove clobbering related code.
3056 (add_may_alias): Ditto.
3057 (replace_may_alias): Ditto.
3058 (get_nmt_for): Ditto.
3059 (create_global_var):
3060 (is_escape_site): Return an escape_type enumeration.
3061 * tree-flow-inline.h (is_call_clobbered): Global var does not
3062 imply call clobbered.
3063 (mark_call_clobbered): Take a reason for marking this. Remove
3064 marking of globalness, and cache invalidation.
3065 (clear_call_clobbered): Remove cache invalidation code.
3066 * tree-dfa.c (dump_variable): If details is on, dump the reason
3068 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3070 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3071 (struct var_ann_d): Ditto.
3072 (enum escape_type): New.
3073 (mark_call_clobbered): Adjust prototype.
3074 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3075 are never call clobbered.
3076 Record reasons for escaping.
3077 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3078 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3079 (ssa_ro_call_cache_valid): Ditto.
3080 (clobbered_v_may_defs): Ditto.
3081 (clobbered_vuses): Ditto.
3082 (ro_call_vuses): Ditto.
3083 (clobber_stats): New.
3084 (init_ssa_operands): Zero out clobber stats.
3085 (fini_ssa_operands): Print out clobber stats.
3086 (get_call_expr_operands): Pass callee fndecl to
3088 (add_call_clobber_ops): Remove use of cache.
3089 Add use of PURE_CONST information.
3090 (add_call_read_ops): Remove use of cache.
3091 Add use of static not_read information.
3093 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3095 Introduce TLS descriptors for i386 and x86_64.
3096 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3097 (TARGET_ANY_GNU_TLS): New macro.
3098 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3099 (struct machine_function): Add tls_descriptor_call_expanded_p.
3100 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3101 (ix86_current_function_calls_tls_descriptor): Likewise.
3102 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3103 (override_options): Introduce gnu2 tls dialect.
3104 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3106 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3108 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3109 (ix86_init_machine_status): Initialize new field.
3110 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3111 (ix86_tls_module_base): New.
3112 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3113 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3114 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3115 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3116 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3117 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3118 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3119 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3120 * config/i386/predicates.md (tls_modbase_operand): New.
3121 (tp_or_register_operand): New.
3123 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3125 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3126 (look_for_address_of): Ditto.
3127 (ipa_init): Walk the function decls.
3128 (static_execute): Don't set readonly on FUNCTION_DECL's.
3130 2006-01-18 Roger Sayle <roger@eyesopen.com>
3132 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3133 for shifts where the source and destination registers are different.
3135 2006-01-18 Paul Brook <paul@codesourcery.com>
3137 Merge from csl-arm-branch.
3138 2005-03-14 Julian Brown <julian@codesourcery.com>
3139 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3140 (aeabi_llsl): Likewise.
3141 (ashrdi3): Likewise.
3142 (aeabi_lasr): Likewise.
3143 (lshrdi3): Likewise.
3144 (aeabi_llsr): Likewise.
3145 2005-03-10 Julian Brown <julian@codesourcery.com>
3146 * config.gcc: Disable shared libgcc for SymbianOS.
3147 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3149 2006-01-18 DJ Delorie <dj@redhat.com>
3151 * c-pragma.c (handle_pragma_diagnostic): New.
3152 (init_pragma): Register it.
3153 * doc/extend.texi: Document it.
3155 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3156 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3157 (diagnostic_context): Add classify_diagnostic[].
3158 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3159 as errors if they're overridden to DK_WARNING.
3160 (diagnostic_initialize): Initialize classify_diagnostic[].
3161 (diagnostic_set_kind_override): New.
3162 (diagnostic_report_diagnostic): Check for kind changes.
3163 * opts.c (common_handle_option): Take lang_mask. Update callers.
3165 * common.opt (Werror=): New.
3166 * doc/invoke.texi: Document -Werror=*
3168 2006-01-18 Jeff Law <law@redhat.com>
3170 * tree-vrp.c (test_for_singularity): Correct test for new
3171 min limit. Use operand_equal_p rather than pointer equality
3172 for testing if new min/max values are equal.
3174 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3175 using range information until after propagation and folding.
3177 2006-01-18 Richard Henderson <rth@redhat.com>
3178 Aldy Hernandez <aldyh@redhat.com>
3179 Jakub Jelinek <jakub@redhat.com>
3180 Diego Novillo <dnovillo@redhat.com>
3182 * omp-low.c: New file.
3183 * c-omp.c: New file.
3185 2006-01-18 Richard Henderson <rth@redhat.com>
3186 Jakub Jelinek <jakub@redhat.com>
3187 Diego Novillo <dnovillo@redhat.com>
3189 * doc/invoke.texi: Document -fopenmp.
3190 * tree-dump.h (debug_function): Declare.
3191 * hooks.c (hook_bool_tree_bool_false): New function.
3192 (hook_tree_tree_null): Remove.
3193 (hook_tree_tree_tree_null): New.
3194 * hooks.h: Update to match.
3195 * tree-pretty-print.c (debug_tree_chain): New.
3196 (print_generic_expr): Handle TDF_CHAIN.
3197 (dump_generic_node): Handle BLOCK.
3198 Do not abort with incomplete SWITCH_EXPRs.
3199 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3200 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3201 print space after directive name.
3202 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3203 Handle OMP_MASTER and OMP_ORDERED.
3204 Handle printing of OMP_BODY just in one place, goto
3205 dump_omp_body in the rest of OMP_* nodes that have
3207 Don't handle clause nodes here. Update omp statements to
3208 use dump_omp_clauses.
3209 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3210 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3211 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3212 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3213 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3214 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3215 Adjust output for GOMP_PARALLEL.
3216 (dump_omp_clauses): New.
3217 (print_declaration): Dump DECL_VALUE_EXPR.
3218 (op_symbol_1): Split out of op_symbol.
3219 (dumping_stmts): Remove. Update all users.
3220 * cgraph.c (cgraph_analyze_queue): New.
3221 (cgraph_add_new_function): New.
3222 * cgraph.h (cgraph_analyze_queue): Declare.
3223 (cgraph_add_new_function): Declare.
3224 (cgraph_lower_function): Remove.
3225 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3226 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3227 and TYPE_P nodes in its default clause.
3228 (empty_body_p): New.
3229 (tree_range_check_failed): New.
3231 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3232 OMP_CLAUSE_REDUCTION_MERGE,
3233 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3234 OMP_CLAUSE_PRIVATE_DEBUG,
3235 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3236 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3237 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3238 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3239 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3240 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3241 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3242 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3243 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3244 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3245 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3246 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3247 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3248 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3249 (TREE_RANGE_CHECK): New.
3250 (empty_body_p): Declare.
3251 (enum omp_clause_default_kind): New.
3252 (build_string_literal): Declare.
3253 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3254 (build5_stat, build5): Declare.
3255 * tree-pass.h (TDF_CHAIN): Define.
3256 * tree-pass.h (PROP_gimple_lomp): Define.
3257 (pass_lower_omp): Declare.
3258 * diagnostic.h (debug_tree_chain): Declare.
3259 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3261 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3262 * builtins.c (build_string_literal): Make extern.
3263 * gcc.c (include_spec_function): New.
3264 (static_spec_functions): Add it.
3265 (main): Move load of libgomp.spec ...
3266 (LINK_COMMAND_SPEC): ... here.
3267 (link_gomp_spec): New.
3268 (static_specs): Include it.
3269 (LINK_COMMAND_SPEC): Add link_gomp.
3270 (GOMP_SELF_SPECS): New.
3271 (driver_self_specs): Include it.
3272 (switch_matches): Don't mark inline.
3273 (main): Load libgomp.spec.
3274 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3275 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3276 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3277 * tree-gimple.h (enum omp_parallel): Declare.
3278 (determine_parallel_type): Declare.
3279 (omp_firstprivatize_variable): Declare.
3280 (omp_reduction_init): Declare.
3281 (diagnose_omp_structured_block_errors): Declare.
3282 (struct walk_stmt_info): Add want_return_expr.
3283 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3284 (find_omp_clause): Declare.
3285 (insert_field_into_struct): Declare.
3286 (struct walk_stmt_info): Move from tree-nested.c
3287 (walk_stmts): Declare.
3288 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3290 * cgraphunit.c (cgraph_lower_function): Make static.
3291 (cgraph_finalize_pending_functions): New.
3292 (cgraph_finalize_function): Call it.
3293 (cgraph_finalize_compilation_unit): Likewise.
3294 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3295 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3296 (BT_FN_UINT_UINT): New.
3297 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3298 DEF_FUNCTION_TYPE_VAR_4): Document.
3299 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3300 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3301 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3302 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3303 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3304 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3305 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3306 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3307 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3308 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3309 into separate files.
3310 (DEF_GOMP_BUILTIN): New.
3311 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3312 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3313 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3314 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3315 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3316 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3317 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3318 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3319 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3320 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3321 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3322 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3323 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3324 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3325 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3326 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3327 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3328 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3329 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3330 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3331 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3332 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3333 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3334 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3335 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3336 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3337 * sync-builtins.def: New file, moved from builtins.def.
3338 * omp-builtins.def: New file, moved from builtins.def.
3339 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3340 * gimple-low.c (lower_function_body): Clear data.
3341 (lower_stmt): Do not handle COMPOUND_EXPR.
3342 Remove call to print_node_brief.
3343 * c-tree.h (c_finish_omp_clauses): New prototype.
3344 (C_DECL_THREADPRIVATE_P): Define.
3345 (lookup_name_no_remap, c_omp_remap_private): Remove
3346 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3347 (check_for_loop_decls): Update decl.
3348 (lookup_name_no_remap, c_omp_remap_private): Declare.
3349 (build_indirect_ref, build_modify_expr, pushdecl,
3350 pushdecl_top_level): Move to c-common.h.
3351 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3352 before the switch, but just in the 2 places that need it.
3353 * c-decl.c (diagnose_mismatched_decls): Do not check for
3354 mismatched thread-local attributes when OLDDECL is marked
3355 threadprivate and NEWDECL has no thread-local attributes.
3356 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3357 (c_gimple_diagnostics_recursively): Rename from
3358 c_warn_unused_result_recursively. Invoke
3359 diagnose_omp_structured_block_errors.
3360 (check_for_loop_decls): Return a singular decl found.
3361 * langhooks.c (lhd_omp_predetermined_sharing): Return
3362 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3363 (lhd_omp_firstprivatize_type_sizes): New.
3364 (lhd_omp_assignment): New.
3365 (lhd_omp_predetermined_sharing): New.
3366 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3367 (struct lang_hooks_for_types): Add
3368 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3369 omp_predetermined_sharing, omp_disregard_value_expr,
3370 omp_private_debug_clause, omp_clause_default_ctor,
3371 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3372 (c_finish_omp_clauses): New.
3373 (c_finish_bc_stmt): Diagnose break within omp for.
3374 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3375 (build_unary_op): Return error_mark after reporting
3377 (build_modify_expr): Likewise.
3378 * gimplify.c: Include optabs.h and pointer-set.h.
3379 (enum gimplify_omp_var_data): Declare.
3380 (struct gimplify_omp_ctx): Declare.
3381 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3383 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3384 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3385 (splay_tree_compare_decl_uid): New.
3386 (new_omp_context): New.
3387 (delete_omp_context): New.
3388 (gimple_add_tmp_var): Call omp_add_variable.
3389 (gimplify_bind_expr): Likewise.
3390 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3391 true, disregard DECL_VALUE_EXPR on the decl if any.
3392 (gimplify_expr_in_ctx): New.
3393 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3394 omp_add_variable, omp_notice_variable, omp_is_private
3395 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3396 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3397 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3398 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3399 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3400 gimplify_omp_atomic): New.
3401 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3402 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3403 OMP_CRITICAL and OMP_ATOMIC.
3404 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3405 * c-pragma.h (enum pragma_kind): Add
3406 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3407 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3408 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3409 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3410 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3411 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3412 PRAGMA_OMP_THREADPRIVATE.
3413 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3414 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3415 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3416 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3417 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3418 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3419 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3420 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3421 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3422 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3423 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3424 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3425 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3427 (struct nesting_info): Add field_map,
3428 suppress_expansion, debug_var_chain.
3429 (create_nesting_tree): Initialize them.
3430 (lookup_field_for_decl): Use field_map.
3431 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3432 (convert_local_omp_clauses): New.
3433 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3434 (walk_body): Split out of walk_function.
3435 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3436 (convert_nonlocal_reference): Handle omp statements.
3437 (convert_local_reference): Likewise.
3438 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3439 (unnest_nesting_tree): New.
3440 (lower_nested_functions): Call it.
3441 (insert_field_into_struct): Make extern.
3442 (struct walk_stmt_info): Move to tree-gimple.h.
3443 (walk_stmts): Make extern.
3444 * omp-builtins.def: New file.
3445 * tree-iterator.c (expr_only): Clarify comment.
3446 * c-common.h (pushdecl_top_level, pushdecl,
3447 build_modify_expr, build_indirect_ref,
3448 c_finish_omp_master, c_finish_omp_critical,
3449 c_finish_omp_ordered, c_finish_omp_barrier,
3450 c_finish_omp_atomic, c_finish_omp_flush,
3451 c_finish_omp_for, c_split_parallel_clauses,
3452 omp_clause_default_kind, c_omp_sharing_predetermined,
3453 c_omp_remap_decl): Declare.
3454 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3455 (OBJS-common): Add omp-low.o.
3456 (c-omp.o, omp-low.o): Add.
3457 (gimplify.o): Add dependency on $(OPTABS_H).
3458 (GTFILES): Add omp-low.c.
3459 (gt-stringpool.h): Add.
3460 * tree-cfg.c (set_bb_for_stmt): Do not update the
3461 block-to-labels map if we are currently expanding to RTL.
3462 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3464 Handle IDENTIFIER_NODE.
3465 (tree_verify_flow_info): Do not ICE when emitting error
3466 messages about invalid labels.
3467 (dump_function_to_file): Reset CFUN before emitting the body
3469 (debug_function): New.
3470 * passes.c (init_optimization_passes): Schedule
3472 * langhooks-def.h (lhd_omp_predetermined_sharing,
3473 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3475 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3476 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3477 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3478 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3479 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3480 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3481 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3482 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3483 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3484 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3485 (LANG_HOOK_DECLS): Use them.
3487 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3488 Richard Henderson <rth@redhat.com>
3489 Jakub Jelinek <jakub@redhat.com>
3490 Diego Novillo <dnovillo@redhat.com>
3492 * c-parser.c (pragma_omp_clause): Define.
3493 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3494 (c_parser_compound_statement): Likewise.
3495 (c_parser_statement): Likewise.
3496 (c_parser_pragma): Handle omp pragmas.
3497 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3498 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3499 (c_parser_omp_clause_name, check_no_duplicate_clause,
3500 c_parser_omp_variable_list,
3501 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3502 c_parser_omp_clause_copyprivate,
3503 c_parser_omp_clause_default,
3504 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3505 c_parser_omp_clause_lastprivate,
3506 c_parser_omp_clause_nowait,
3507 c_parser_omp_clause_num_threads,
3508 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3509 c_parser_omp_clause_reduction,
3510 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3511 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3512 c_parser_omp_atomic, c_parser_omp_barrier,
3513 c_parser_omp_critical, c_parser_omp_flush,
3514 c_parser_omp_for_loop, c_parser_omp_for,
3515 c_parser_omp_master, c_parser_omp_ordered,
3516 c_parser_omp_sections_scope, c_parser_omp_sections,
3517 c_parser_omp_parallel, c_parser_omp_single,
3518 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3519 * c-pragma.c (init_pragma): Do omp pragma registration here.
3520 * c.opt (fopenmp): New flag.
3522 2006-01-18 Eric Christopher <echristo@apple.com>
3524 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3525 * config/darwin.h (GOMP_SELF_SPECS): Define.
3527 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3529 * rtl.h: Remove the prototype for reg_alloc.
3531 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3534 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3535 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3536 sjlj and dwarf2 exception handling.
3537 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3538 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3539 * pa/pa.c (function_value): Treat complex and vector types as
3541 (function_arg): Likewise. Only pass scalar floats in the floating
3542 point argument registers.
3543 * pa/t-slibgcc-dwarf-ver: New file.
3544 * pa/t-slibgcc-sjlj-ver: New file.
3545 * pa/t-slibgcc-elf-ver: Delete file.
3547 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3549 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3550 unlikely_test_section_p test.
3552 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3554 * mode-switching.c (optimize_mode_switching): Make it static.
3555 * basic-block.h: Remove the prototype for
3556 optimize_mode_switching.
3558 * modulo-sched.c (sms_schedule): Make it static.
3559 * rtl.h: Remove the prototype for sms_schedule.
3561 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3562 * rtl.h: Remove the prototype for gcse_after_reload_main.
3564 * reg-stack.c (reg_to_stack): Make it static.
3565 * rtl.h: Remove the prototype for reg_to_stack.
3567 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3569 * rtl.h: Remove the prototypes for regrename_optimize and
3570 copyprop_hardreg_forward.
3572 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3574 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3575 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3576 Test against the appropriate null constant for the mode.
3577 If 'fixup_overlap' is true, swap the operands if they overlap.
3578 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3579 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3580 alpha_split_tmode_pair and adjust for above change.
3581 * config/alpha/alpha.md (movtf_internal): Adjust call to
3582 alpha_split_tfmode_pair and rely on it to swap the operands.
3583 (movti_internal): New insn and post-reload splitter.
3584 (movti): New expander.
3586 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3588 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3591 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3593 * rtlanal.c (global_reg_mentioned_p_1,
3594 global_reg_mentioned_p): Remove.
3595 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3597 * flow.c (initialize_uninitialized_subregs): Make it static.
3598 * rtl.h: Remove the prototype for
3599 initialize_uninitialized_subregs.
3601 * function.c (instantiate_virtual_regs): Make it static.
3602 * function.h: Remove the prototype for
3603 instantiate_virtual_regs.
3605 * regmove.c (regmove_optimize, combine_stack_adjustments):
3607 * rtl.h: Remove the prototypes for regmove_optimize and
3608 combine_stack_adjustments.
3610 2006-01-17 Roger Sayle <roger@eyesopen.com>
3612 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3613 (size_cost): Encode costs in bytes so that a reg-reg addition is
3614 equivalent to COSTS_N_INSNS(1).
3615 (override_options): Use the size_cost.branch_cost as the default
3616 ix86_branch_cost when optimizing for size.
3618 2006-01-18 Ben Elliston <bje@au.ibm.com>
3620 * Makefile.in (D32PBIT_FUNCS): New.
3621 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3622 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3623 D64PBIT_FUNCS and D128PBIT_FUNCS.
3624 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3625 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3627 (decnumber_dep): Define.
3628 * doc/libgcc.texi (Decimal float library routines): New node.
3629 * config/dfp-bit.h, config/dfp-bit.c: New files.
3631 2006-01-18 Ben Elliston <bje@au.ibm.com>
3633 * expr.c (emit_move_change_mode): Always adjust addresses, not
3634 just during reload. Copy replacements only during reload.
3635 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3636 emit_move_via_integer.
3638 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3640 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3641 instead of $(srcdir) and ${srcdir}.
3643 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3647 * arm.h (struct machine_function): Add pic_reg.
3648 * arm.c (arm_pic_register): Make unsigned.
3649 (arm_override_options): Only set arm_pic_register if
3650 TARGET_SINGLE_PIC_BASE.
3651 (use_return_insn): Only test for a pic register if it is fixed.
3652 (arm_compute_save_reg0_reg12_mask): Likewise.
3653 (thumb_compute_save_reg_mask): Likewise.
3654 (legitimate_pic_operand): Factor out some known invariants.
3655 (legitimize_pic_address): If we don't have a fixed pic register,
3656 then set up a pseudo in the function entry sequence. Handle the
3657 pic base being in a pseudo.
3658 (arm_load_pic_register): Handle the pic register being in a pseudo.
3659 (arm_expand_prologue): Only set up the pic register if it is fixed.
3660 (thumb_expand_prologue): Likewise.
3661 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3662 (pic_load_addr_based_insn): Likewise.
3663 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3666 2006-01-18 Ben Elliston <bje@au.ibm.com>
3668 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3669 decimal float modes for all floating point registers.
3671 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3672 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3674 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3677 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3678 even when the pointer is not NULL.
3680 2006-01-16 Ian Lance Taylor <ian@airs.com>
3682 * common.opt (ftoplevel-reorder): New option.
3683 * cgraph.c (cgraph_asm_nodes): New global variable.
3684 (cgraph_asm_last_node): New static variable.
3685 (cgraph_order): New global variable.
3686 (cgraph_create_node): Set new order field.
3687 (cgraph_varpool_node): Likewise.
3688 (decide_is_variable_needed): Return true if not
3689 flag_toplevel_reorder.
3690 (cgraph_add_asm_node): New function.
3691 * cgraph.h (struct cgraph_node): Add order field.
3692 (struct cgraph_varpool_node): Add order field.
3693 (struct cgraph_asm_node): Define.
3694 (cgraph_asm_nodes, cgraph_order): Declare.
3695 (cgraph_add_asm_node): Declare.
3696 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3698 (cgraph_varpool_assemble_pending_decls): Call it.
3699 (cgraph_output_pending_asms): New static function.
3700 (cgraph_finalize_compilation_unit): Call it.
3701 (struct cgraph_order_sort): Define.
3702 (cgraph_output_in_order): New static function.
3703 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3704 !flag_toplevel_reorder case.
3705 * c-parser.c: Include "cgraph.h".
3706 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3708 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3709 than -fno-unit-at-a-time.
3710 * doc/invoke.texi (Option Summary): Mention
3711 -fno-toplevel-reorder.
3712 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3713 -funit-at-a-time documentation.
3715 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3716 Kazu Hirata <kazu@codesourcery.com>
3718 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3720 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3722 * Makefile.in (FUNCTION_H): New. Use it instead of
3723 function.h throughout the file.
3724 * function.h: Include tree.h.
3726 2006-01-17 Ben Elliston <bje@au.ibm.com>
3728 * recog.c: Separate some functions with whitespace.
3730 2006-01-16 Richard Henderson <rth@redhat.com>
3732 Merge from gomp branch:
3733 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3734 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3735 and rename from struct inline_data. Rename callee* to dst*;
3736 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3737 transform_new_cfg, transform_return_to_modify, and
3738 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3740 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3741 (copy_decl_for_dup): Remove.
3742 * tree-inline.c (struct inline_data): Move to header.
3743 (insert_decl_map): Export.
3744 (remap_decl): Update for member name changes. Use copy_decl hook.
3745 Allow for replacement to be a non-decl. Remove dead code.
3746 (remap_type_1): Check for existing mapping.
3747 (remap_type): Export.
3748 (remap_decls): Update for member name changes.
3749 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3750 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3751 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3752 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3753 (tree_function_versioning, build_duplicate_type): Likewise.
3754 (copy_body_r): Likewise. Export.
3755 (copy_decl_for_dup): Split into ...
3756 (copy_decl_for_dup_finish, copy_decl_to_var,
3757 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3758 (replace_ref_tree, inlining_p): Remove.
3760 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3762 * ifcvt.c (if_convert): Make it static.
3763 * rtl.h: Remove the prototype for if_convert.
3765 * local-alloc.c (local_alloc): Make it static.
3766 * rtl.h: Remove the prototype for local_alloc.
3768 * loop.c (loop_optimize): Make it static.
3769 * cfgloop.h: Remove the prototype for loop_optimize.
3772 2006-01-16 DJ Delorie <dj@redhat.com>
3774 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3777 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3779 * pa.md: Disparage copies between general and floating-point registers
3780 in 32-bit move patterns.
3782 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3785 * Makefile.in (check-%): Depend on site.exp instead of
3786 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3789 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3791 * global.c (global_alloc): Make it static.
3792 * rtl.h: Remove the prototype for global_alloc.
3794 2006-01-16 Richard Guenther <rguenther@suse.de>
3796 * tree-ssa-alias.c (struct used_part): Add write_only field.
3797 (get_or_create_used_part_for): Initialize it to true.
3798 (create_overlap_variables_for): Don't create structure variables
3799 for structures that only are written to.
3800 (find_used_portions): Handle MODIFY_EXPR to track whether a
3801 structure is only written to.
3803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3805 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3807 * basic-block.h: Remove the prototype for
3808 partition_hot_cold_basic_blocks.
3810 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3812 * cppspec.c (lang_specific_spec_functions): Remove.
3813 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3814 * gcc.h (lang_specific_spec_functions): Remove.
3815 * gccspec.c (lang_specific_spec_functions): Remove.
3817 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3819 * combine.c (record_value_for_reg): Invalidate registers
3821 (record_dead_and_set_regs_1): Likewise, by passing them to
3822 record_value_for_reg.
3823 (record_dead_and_set_regs): Invalidate stores made by a
3824 call. We do not combine across a call, but we still
3825 relied on equivalences.
3827 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3829 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3830 vrp_int_const_binop returning non-constant nodes.
3832 2006-01-16 Paul Brook <paul@codesourcery.com>
3834 * config/m68k/m68k.c (output_move_const_into_data_reg):
3835 Output correct mnemonic for mvz and mvs.
3837 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3839 * rtl-factoring.c: Add sequence abstraction algorithm.
3840 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3841 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3843 (block_has_preserve_label): New function.
3844 * common.opt: Register new pass.
3845 * Makefile.in: Ditto.
3847 * timevar.def: Ditto.
3848 * tree-pass.h: Ditto.
3849 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3850 * rtl.h (make_jump_insn_raw): Add forward decl.
3851 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3853 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3854 Roger Sayle <roger@eyesopen.com>
3856 * fold-const.c (fold_minmax): New static function.
3857 (fold_binary) <MIN_EXPR>: Call it.
3858 <MAX_EXPR>: Likewise.
3859 * stor-layout.c (place_field): Use DECL_SIZE consistently
3860 in the computation of the new record size.
3862 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3864 * cse.c (cse_condition_code_reg): Make it static.
3865 * rtl.h: Remove the prototype for cse_condition_code_reg.
3867 * combine.c (combine_instructions): Make it static.
3868 * rtl.h: Remove the prototype for combine_instructions.
3870 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3873 * tree.c (get_file_function_name_long): Concatenate the first global
3874 object name with a string derived from the input filename of the object
3877 2006-01-16 Ben Elliston <bje@au.ibm.com>
3879 * config/i386/winnt-stubs.c: Update FSF address.
3880 * config/xtensa/ieee754-df.S: Ditto.
3881 * config/xtensa/ieee754-sf.S: Ditto.
3883 2006-01-14 Ian Lance Taylor <ian@airs.com>
3885 * ifcvt.c (noce_init_if_info): New static function, broken out of
3886 noce_process_if_block.
3887 (noce_process_if_block): Call noce_init_if_info.
3888 (check_cond_move_block): New static function.
3889 (cond_move_process_if_block): New static function.
3890 (process_if_block): Call cond_move_process_if_block.
3892 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3894 * cselib.c (hash_table): Rename to cselib_hash_table.
3895 (cselib_clear_table, discard_useless_values,
3896 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3897 cselib_init, cselib_finish): Adjust uses of hash_table.
3899 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3901 PR tree-optimization/25485
3902 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3903 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3904 is known to be false and true, respectively.
3906 2006-01-14 Richard Guenther <rguenther@suse.de>
3908 PR tree-optimization/22548
3909 PR tree-optimization/22555
3910 PR tree-optimization/22501
3911 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3912 * params.def (salias-max-array-elements): New parameter.
3913 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3914 * doc/invoke.texi (salias-max-array-elements): Document.
3915 * tree-flow-inline.h (var_can_have_subvars): We also handle
3917 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3919 * tree-ssa-structalias.c (params.h): Include.
3920 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3921 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3922 (get_constraint_for): For ADDR_EXPR operating on something
3923 containing an ARRAY_REF, add all subvars to the solution.
3924 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3925 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3926 for creating MUST_DEFs.
3927 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3929 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3931 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3933 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3934 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3935 number_of_iterations_le): New functions.
3936 (number_of_iterations_special): Removed.
3937 (number_of_iterations_exit): Do not use number_of_iterations_special.
3938 * tree.c (unsigned_type_for): Always return integer type.
3940 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3941 Richard Guenther <rguenther@suse.de>
3943 PR rtl-optimization/24257
3944 * gcse.c (find_moveable_store): Only consider a store movable
3945 when the SET_SRC of the insn can be assigned to a register.
3947 2006-01-14 Ian Lance Taylor <ian@airs.com>
3949 * tree.c (tree_not_class_check_failed): New function.
3950 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3951 (tree_not_class_check_failed): Declare.
3953 2006-01-13 Ian Lance Taylor <ian@airs.com>
3955 * reload1.c (do_output_reload): Add assertion rejecting a
3958 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3960 * combine.c (struct reg_stat): Add new fields truncation_label and
3962 (record_value_for_reg): Reset truncated_to_mode.
3963 (record_truncated_value): New function.
3964 (check_promoted_subreg): Call it. Rename to check_conversions.
3965 (combine_instructions): Rename check_promoted_subreg to
3967 (reg_truncated_to_mode): New function.
3968 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3969 (gen_lowpart_or_truncate): New function.
3970 (force_to_mode): Use it instead of gen_lowpart.
3972 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3974 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3975 VAR is a tag, not its type tag.
3977 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3979 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3980 alternatives to match style of other entries.
3981 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3983 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3985 PR tree-optimization/25771
3986 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3989 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3992 * tree-inline.c (declare_return_variable): If the return variable
3993 was marked as a non gimple complex, set the return slot variable
3994 to be a non gimple comple variable.
3996 2006-01-13 Richard Guenther <rguenther@suse.de>
3998 * builtins.c (expand_builtin_sincos): New function.
3999 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4001 (expand_builtin): Expand sincos using expand_builtin_sincos.
4003 2006-01-12 DJ Delorie <dj@redhat.com>
4005 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4006 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4007 so that constant shifts can be split.
4008 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4009 (m32c_valid_pointer_mode): Make static.
4010 (shift_gen_func_for): New.
4011 (m32c_prepare_shift): Use it. Split large const shifts into
4013 * config/m32c/predicates.md (shiftcount_operand): Allow more
4015 (longshiftcount_operand): New.
4016 * doc/md.texi (Machine Constraints): Document In6.
4018 2006-01-13 Ben Elliston <bje@au.ibm.com>
4020 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4021 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4024 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4026 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4027 to try to avoid clobbering pieces of structures when we know
4028 something about the whole structure.
4029 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4031 2006-01-13 Ben Elliston <bje@au.ibm.com>
4033 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4034 return in memory, as this is no limitation is no longer present.
4036 2006-01-12 DJ Delorie <dj@redhat.com>
4038 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4039 mova with fb, and for fb+0 -> An.
4041 * config/m32c/mov.md (peephole2): Fix enabling logic.
4043 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4044 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4045 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4046 FINI_ARRAY_SECTION_ASM_OP): Define.
4048 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4050 (m32c_legitimize_reload_address): New logic to reload FB to An.
4051 (m32c_output_reg_push): Add newline.
4052 (m32c_output_reg_pop): Likewise.
4054 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4056 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4058 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4060 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4062 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4064 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4067 2006-01-11 Ben Elliston <bje@au.ibm.com>
4069 * rtlanal.c (find_reg_note): Assert insn is not null.
4071 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4073 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4076 2006-01-11 Jeff Law <law@redhat.com>
4078 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4080 (mark_threaded_blocks, register_jump_thread): New functions.
4081 (thread_through_all_blocks): Remove unwanted argument. No
4082 longer rely on e->aux to communicate thread target info.
4083 Call mark_threaded_blocks. Release the threaded_blocks
4084 bitmap and threaded_edges vector when complete.
4085 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4086 (threaded_blocks): Remove.
4087 (tree_ssa_dominator_optimize): Remove initialization and
4088 finalization of threaded_blocks. Simplify call to
4089 thread_through_all_blocks.
4090 (thread_across_edge): Call register_jump_thread rather than
4091 storing thread information into e->aux.
4092 (free_all_edge_infos): Simplify now that e->aux is no longer
4093 used to communicate with thread_through_all_blocks.
4094 * tree-flow.h (thread_through_all_blocks): Update prototype.
4095 (register_jump_thread): Prototype.
4097 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4099 * df-core.c (df_compact_blocks, df_bb_replace): Use
4100 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4102 2006-01-11 Richard Guenther <rguenther@suse.de>
4104 PR tree-optimization/25734
4105 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4106 stop propagation after successful propagation to the LHS.
4108 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4110 * basic-block.h (control_flow_graph): Change the type of
4111 x_basic_block_info to VEC(basic_block,gc) *.
4112 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4114 (SET_BASIC_BLOCK): New.
4115 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4116 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4117 * cfgbuild.c (find_basic_blocks): Likewise.
4118 * cfglayout.c (fixup_reorder_chain): Likewise.
4119 * cfgrtl.c (create_basic_block_structure,
4120 rtl_create_basic_block): Likewise.
4121 * ifcvt.c (find_if_case_1): Likewise.
4122 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4125 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4127 * Makefile.in: Removed rotted odf.c entry.
4129 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4132 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4133 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4134 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4135 output pattern modifier, not %e.
4136 * config/cris/cris.c (cris_op_str): Update comment about pattern
4138 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4139 before falling through into...
4140 <case 'E'>: Redefined from old 'e' case.
4142 2006-01-11 Jan Hubicka <jh@suse.cz>
4145 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4147 2006-01-11 Jan Hubicka <jh@suse.cz>
4149 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4150 * i386.c (x86_decompose_lea): Kill.
4151 (ix86_rtx_costs): Kill.
4153 2006-01-11 Jan Hubicka <jh@suse.cz>
4155 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4156 * cgraph.h (cgraph_node): Add inline_decl.
4157 (cgraph_insert_node_to_hashtable): Declare.
4158 (save_inline_function_body): Declare.
4159 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4161 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4162 (cgraph_function_versioning): Update call of tree_function_versioning.
4163 (save_inline_function_body): New function.
4164 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4165 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4166 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4167 (cgraph_default_inline_p): Likewise.
4168 (cgraph_decide_inlining_incrementally): Likewise.
4169 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4170 (copy_bb): Kill saving; do updating of clones.
4171 (copy_cfg_body): Kill saving.
4172 (initialize_inlined-parameters): Likewise.
4173 (expand_call_inline): Likewise.
4175 (tree_function_versioning): New parameter "update_clones".
4176 (inlining_p): Kill saving.
4177 * tree-inline.h (tree_function_versioning): Update prototype.
4178 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4181 2006-01-11 Ian Lance Taylor <ian@airs.com>
4183 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4184 Allow undoing set of machine mode.
4185 (do_SUBST): Use enums instead of is_int.
4186 (do_SUBST_MODE): New function.
4187 (SUBST_MODE): New macro.
4188 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4189 reg and trying to replace reg_regno_rtx with a new register.
4190 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4191 (simplify_set): Use SUBST_MODE.
4192 (distribute_notes): Remove code that tried to update reg notes
4193 for regno_reg_rtx changes.
4195 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4197 PR tree-optimization/23109
4198 PR tree-optimization/23948
4199 PR tree-optimization/24123
4201 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4202 * tree-cfg.c (single_noncomplex_succ): New.
4203 * tree-flow.h (single_noncomplex_succ): Declare it.
4204 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4205 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4206 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4207 insert_bb, register_division_in, insert_reciprocals,
4208 replace_reciprocal, free_bb): New.
4209 (execute_cse_reciprocals_1): Rewritten.
4210 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4211 Do not commit any edge insertion. Always compute dominators and
4212 create the allocation pool.
4213 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4214 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4215 * targhooks.c (default_min_divistions_for_recip_mul): New.
4216 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4217 * passes.c (init_optimization_passes): Run recip after tree loop
4219 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4221 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4222 Kenneth Zadeck <zadeck@naturalbridge.com>
4224 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4225 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4226 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4227 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4228 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4229 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4230 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4231 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4232 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4233 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4234 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4235 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4236 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4237 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4238 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4239 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4240 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4241 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4242 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4243 DF_SCAN_POST_ALLOC): New macros.
4244 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4245 df_free_bb_function, df_local_compute_function, df_init_function,
4246 df_dataflow_function, df_confluence_function_0,
4247 df_confluence_function_n, df_transfer_function,
4248 df_finalizer_function, df_free_function, df_dump_problem_function,
4249 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4250 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4251 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4252 df_urec_bb_info, ) New types.
4253 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4255 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4256 df_analyze_simple_change_some_blocks,
4257 df_analyze_simple_change_one_block, df_compact_blocks,
4258 df_bb_replace, df_bb_regno_last_use_find,
4259 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4260 df_insn_regno_def_p, df_find_def, df_find_use,
4261 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4262 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4263 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4264 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4265 debug_df_chain, df_get_dependent_problem, df_chain_create,
4266 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4267 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4268 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4269 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4270 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4271 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4272 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4273 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4274 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4275 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4276 df_reorganize_refs, df_set_state, df_hard_reg_init,
4277 df_read_modify_subreg_p) New public functions.
4278 * df-core.c: The core dataflow solver and glue routines for rtl
4280 (df_init, df_add_problem, df_set_blocks, df_finish,
4281 df_hybrid_search_forward, df_hybrid_search_backward,
4282 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4283 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4284 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4285 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4286 df_reg_defined, df_find_use, df_reg_used, df_dump,
4287 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4288 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4289 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4290 debug_df_useno, reset_df_after_reload): New functions.
4291 * df-scan.c: The scanning fuctions, once in df.c, completely
4292 rewritten so that they now fully model the functionality of
4293 register usage at the backend.
4294 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4295 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4296 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4297 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4298 df_get_artificial_defs, df_get_artificial_uses,
4299 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4300 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4301 df_refs_delete, df_reorganize_refs, df_set_state,
4302 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4303 df_def_record_1, df_defs_record, df_uses_record,
4304 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4305 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4306 df_record_exit_block_uses, df_hard_reg_init): New functions.
4308 * df-problems.c: Seven concrete dataflow problems that use the
4309 scanning in df-scan.c and are solved by the engine in df-core.c.
4310 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4311 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4312 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4313 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4314 df_ru_free_bb_info, df_ru_alloc,
4315 df_ru_bb_local_compute_process_def,
4316 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4317 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4318 df_ru_transfer_function, df_ru_free, df_ru_dump,
4319 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4320 df_rd_free_bb_info, df_rd_alloc,
4321 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4322 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4323 df_rd_transfer_function, df_rd_free, df_rd_dump,
4324 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4325 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4326 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4327 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4328 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4329 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4330 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4331 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4332 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4333 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4334 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4335 df_urec_mark_reg_use_for_earlyclobber,
4336 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4337 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4338 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4339 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4340 df_chain_create_bb_process_use, df_chain_create_bb,
4341 df_chain_finalize, df_chain_free, df_chains_dump,
4342 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4343 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4344 df_reg_lifetime): New functions.
4345 * df.c: Deleted file.
4346 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4347 consistent with new df api.
4348 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4349 rest_of_handle_sms): Ditto.
4350 * web.c (unionfind_union, union_defs, entry_register, web_main):
4352 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4353 invariant_expr_equal_p, find_defs, check_dependencies,
4354 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4355 free_inv_motion_data, move_loop_invariants): Ditto.
4356 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4357 Update dependencies.
4358 (odf.c): Added defective entry that was deleted later in day.
4359 * sched-deps.c (sched_analyze_1): Ditto.
4361 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4363 * tree-ssa-operands.c (get_expr_operands): Record addressable
4364 variables directly. Do not call add_stmt_operands for CONST_DECLs
4366 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4367 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4369 2006-01-11 Ben Elliston <bje@au.ibm.com>
4371 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4372 function returns true in the positive case.
4374 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4377 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4378 for SI, DI, SF and DF modes. Add alternatives to copy between
4379 general and floating point registers to the 32-bit patterns.
4380 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4381 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4382 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4383 generating 64-bit code.
4384 * config/pa/pa.c (output_move_double): Handle copies between general
4385 and floating registers.
4387 2006-01-10 Stuart Hastings <stuart@apple.com>
4389 * config/i386/i386.md (set_got): Update.
4390 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4391 (builtin_setjmp_receiver): Mach-O support.
4392 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4393 (GOT_SYMBOL_NAME): Define.
4394 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4395 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4396 * config/i386/i386.c (override_options): Revise for Darwin.
4397 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4398 support. (darwin_x86_file_end): New. (output_set_got): Add label
4399 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4400 * config/i386/i386-protos.h (output_set_got): Likewise.
4401 * config/darwin.c (machopic_legitimize_pic_address): Update
4404 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4406 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4407 when MODE isn't BLKmode.
4409 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4411 PR rtl-optimization/25367
4412 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4414 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4417 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4418 for a negative bound.
4420 2006-01-10 Richard Guenther <rguenther@suse.de>
4422 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4423 Never override with anything constraint.
4425 2006-01-10 Jan Beulich <jbeulich@novell.com>
4427 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4428 256 bits when optimize_size.
4430 2006-01-10 Jan Beulich <jbeulich@novell.com>
4432 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4434 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4435 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4438 2006-01-10 Ben Elliston <bje@au.ibm.com>
4440 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4442 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4443 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4444 (USE_FP_FOR_ARG): Reject decimal float modes.
4445 (function_arg_advance): Likewise.
4446 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4447 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4448 point types in AltiVec vectors.
4449 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4450 (rs6000_libcall_value): Likewise.
4452 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4454 * config/xtensa/ieee754-df.S: New file.
4455 * config/xtensa/ieee754-sf.S: New file.
4456 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4457 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4458 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4460 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4462 * config/sh/predicates.md (binary_float_operator,
4463 binary_logical_operator, commutative_float_operator,
4464 equality_comparison_operator, greater_comparison_operator,
4465 less_comparison_operator, logical_operator,
4466 noncommutative_float_operator, shift_operator,
4467 symbol_ref_operand, unary_float_operator): Remove redundant
4470 2006-01-09 Jeff Law <law@redhat.com>
4472 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4473 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4474 now unused arguments. Callers updated.
4475 (eliminate_redundant_computations): Remove now unused arguments,
4477 (local_fold): Remove, no longer used.
4478 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4480 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4481 (simplify_cond): New function.
4482 (forward_propagate_into_cond): Call simplify_cond.
4484 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4486 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4487 (*vec_extractv2di_1_sse): New.
4489 2006-01-09 Ben Elliston <bje@au.ibm.com>
4491 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4493 2006-01-08 Richard Guenther <rguenther@suse.de>
4495 * tree-ssa-structalias.c (get_constraint_for): Remove
4497 (get_constraint_for_component_ref): Likewise.
4498 (do_deref): Likewise.
4499 (get_constraint_for): Likewise.
4500 (do_structure_copy): Likewise.
4501 (handle_ptr_arith): Likewise.
4502 (find_func_aliases): Likewise. Remove unused need_anyoffset
4505 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4506 Kaz Kojima <kkojima@gcc.gnu.org>
4508 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4509 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4510 (EXTRA_CONSTRAINT_C16): Remove.
4511 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4512 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4513 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4514 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4515 constants of SHmedia. Handle nested constant expressions of
4517 (andcosts): Fix the costs for SHmedia constants.
4518 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4519 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4520 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4521 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4522 (movv4hi_i, movv2si_i): Likewise.
4523 (movsi_const): Adjust the second operand of ior so to match with
4525 (movdi_const, movdi_const_32bit): Likewise.
4526 (movdi_const_16bit+1): Don't sign-extend LOW.
4527 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4529 (*double_shori): Fix the split condition. Use GEN_INT instead
4530 of get_int_mode calls. Mask lower 16-bit of the argument of
4532 (sym2GOTPLT): Remove.
4533 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4535 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4536 instead of EXTRA_CONSTRAINT_C16.
4538 2006-01-07 Ian Lance Taylor <ian@airs.com>
4539 David Edelsohn <edelsohn@gnu.org>
4541 PR rtl-optimization/25662
4542 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4543 for constant operands instead of simplify_gen_binary.
4544 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4545 after trying simplify_binary_operation
4547 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4549 * tree.c (iterative_hash_expr): Hash decls based on UID.
4551 2006-01-06 Eric Christopher <echristo@apple.com>
4553 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4554 (TARGET_UNWIND_EMIT): Fix spelling.
4555 * target.h (gcc_target): Add except_table_label.
4556 * except.c (output_function_exception_table): Use.
4557 * varasm.c (default_emit_except_table_label): New.
4558 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4560 (asm_out): Add here.
4561 * output.h (default_emit_except_table_label): Prototype.
4562 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4563 * config/darwin.c (darwin_emit_except_table_label): Define.
4564 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4566 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4568 PR tree-optimization/18527
4569 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4570 number_of_iterations_special, number_of_iterations_exit):
4571 Move base and step of an iv to a single structure. Add
4572 no_overflow flag, and use it in # of iterations analysis.
4573 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4574 folded_casts argument.
4575 (simple_iv): Pass base and step in a structure. Set no_overflow
4577 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4578 Evaluate expensiveness of computing # of iterations instead of
4579 the final expression.
4580 * tree-scalar-evolution.h (affine_iv): New structure.
4581 (simple_iv): Declaration changed.
4582 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4583 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4584 find_givs_in_stmt): Changed due to simple_iv change.
4586 2006-01-06 Jeff Law <law@redhat.com>
4589 * tree-cfg.c (bsi_replace): Rename final argument from
4590 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4591 change (stmt -> orig_stmt).
4592 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4593 (bsi_remove): Add new argument. Remove EH information
4595 (verify_eh_throw_table_statements): New function.
4596 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4598 * tree-optimize.c (execute_free_cfg_annotations): Verify
4599 the EH throw statement table after removing annotations.
4600 * except.h (verify_eh_throw_table_statements): Prototype.
4601 * tree-flow.h (bsi_remove): Update prototype.
4602 * tree-vrp.c (remove_range_assertions): Add new argument to
4604 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4605 * tree-complex.c (expand_complex_div_wide): Likewise.
4606 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4607 * tree-tailcall.c (eliminate_tailcall): Likewise.
4608 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4609 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4610 * tree-nrv.c (tree_nrv): Likewise.
4611 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4612 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4613 (combine_blocks): Likewise.
4614 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4615 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4616 (cleanup_control_flow): Likewise.
4617 (remove_forwarder_block): Likewise.
4618 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4619 * tree-sra.c (sra_replace): Likewise.
4620 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4621 (forward_propagate_single_use_vars): Likewise.
4622 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4623 * tree-inline.c (expand_call_inline): Likewise.
4624 * tree-vect-transform.c (vect_transform_loop): Likewise.
4625 * tree-outof-ssa.c (rewrite_trees): Likewise.
4626 * tree-cfg.c (make_goto_expr_edges): Likewise.
4627 (cleanup_dead_labels): Likewise.
4628 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4629 (bsi_move_before, bsi_move_after): Likewise.
4630 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4631 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4633 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4636 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4638 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4639 on non gimple variables. Also add checks at the top for decls and
4641 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4643 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4644 and IMAGPART_EXPR for creating MUST_DEFs.
4645 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4646 and NAME_MEMORY_TAG separately from the DECLs.
4648 2006-01-06 Richard Guenther <rguenther@suse.de>
4650 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4651 annotation, if necessary.
4652 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4653 redundant calls to update_stmt.
4654 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4657 2006-01-05 Richard Henderson <rth@redhat.com>
4659 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4661 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4663 * c-typeck.c: Update copyright date.
4665 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4667 * c-typeck.c (build_c_cast): Always warn when casting
4668 from a pointer to an integer of different size, even if
4669 the node was constant.
4671 2006-01-05 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/22555
4674 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4675 if one structure field is an array.
4676 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4677 operands even if we found a subvar, but ignore VOPs in this
4679 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4681 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4683 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4686 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4688 2006-01-05 Richard Guenther <rguenther@suse.de>
4689 Diego Novillo <dnovillo@redhat.com>
4691 * tree-pass.h (TODO_remove_unused_locals): Define.
4692 * gimple-low.c (expand_var_p, remove_useless_vars,
4693 pass_remove_useless_vars): Remove. Update all users.
4694 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4695 (remove_unused_locals): New function.
4696 * tree-flow.h (remove_unused_locals): Declare.
4697 * passes.c (execute_todo): Call remove_unused_locals if
4698 TODO_remove_unused_locals is set.
4699 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4700 * tree-ssa-dce.c (pass_dce): Likewise.
4701 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4703 2006-01-05 Richard Guenther <rguenther@suse.de>
4705 * tree-flow.h (struct fieldoff): Decompose field to
4706 type, size and decl.
4707 * tree-ssa-alias.c (create_sft): Take type as parameter.
4708 (create_overlap_variables_for): Store type, size and decl
4709 in the fieldoff structure.
4710 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4712 (push_fields_onto_fieldstack): Likewise.
4713 (create_variable_info_for): Likewise. Use offset for the
4714 SFT name if the decl is not available.
4716 2006-01-04 Paul Brook <paul@codesourcery.com>
4718 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4720 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4722 * lambda-code.c (can_put_in_inner_loop): Relax
4724 (can_put_after_inner_loop): New function.
4725 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4726 (perfect_nestify): Change to make copies and modify uses.
4728 2006-01-04 Richard Henderson <rth@redhat.com>
4730 Merge from gomp branch:
4731 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4732 via integer constant.
4733 (pragma_lex): Remove.
4734 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4735 rather than parsing it.
4736 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4737 handle_pragma_extern_prefix): Add %< %> quotes.
4738 (registered_pragmas): New.
4739 (c_register_pragma_1): New.
4740 (c_register_pragma): Use it.
4741 (c_register_pragma_with_expansion): Likewise.
4742 (c_invoke_pragma_handler): New.
4743 (init_pragma): Use cpp_register_deferred_pragma directly for
4745 * c-pragma.h (enum pragma_kind): New.
4746 (pragma_handler): New.
4747 (c_invoke_pragma_handler): Declare.
4748 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4750 * c-common.h (c_common_pch_pragma): Update decl.
4751 * Makefile.in (c-parser.o): Update dependencies.
4752 (GTFILES): Add c-pragma.h.
4753 * c-parser.c (struct c_token): Add pragma_kind.
4754 (struct c_parser): Add in_pragma.
4755 (c_lex_one_token): Always initialize keyword and pragma_kind.
4756 Extract data for CPP_PRAGMA.
4757 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4758 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4759 Don't allow CPP_PRAGMA_EOL if in_pragma.
4760 (c_parser_consume_pragma): New.
4761 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4762 (c_parser_skip_to_end_of_parameter): Likewise.
4763 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4764 (c_parser_skip_to_pragma_eol): New.
4765 (c_parser_external_declaration): Handle CPP_PRAGMA.
4766 (c_parser_compound_statement_nostart): Likewise.
4767 (c_parser_statement_after_labels): Likewise.
4768 (c_parser_pragma): New.
4769 (pragma_lex): Likewise.
4770 (c_parser_pragma_pch_preprocess): New.
4771 (c_parser_new): Merge into ...
4772 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4774 2006-01-04 Jeff Law <law@redhat.com>
4777 * tree-cfg.c (bsi_replace): Remove the original statement
4778 from the EH throw statement table.
4780 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4782 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4783 make the prototype extern "C" and add throw ().
4786 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4787 and pos non-negative and pos + len <= 32.
4788 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4789 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4790 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4793 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4794 as well as sizes not multiple of component size.
4797 * function.c (instantiate_expr): New function.
4798 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4799 walk its DECL_VALUE_EXPR with instantiate_expr.
4801 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4802 DW_OP_deref{,_size} if address isn't going to be added.
4804 2006-01-04 Ben Elliston <bje@au.ibm.com>
4806 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4807 * config/fp-bit.c: Likewise.
4809 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4811 * dominance.c: Add comment about why we use DFS numbering
4814 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4815 Richard Henderson <rth@redhat.com>
4817 Merge from gomp-branch:
4818 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4819 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4821 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4823 PR rtl-optimization/25578
4824 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4825 pass a parameter to simplify_shift_const if changing ASHIFTRT
4828 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4830 * builtins.c (get_builtin_sync_mem): New function.
4831 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4832 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4833 Call get_builtin_sync_mem to generate mem rtx.
4835 2006-01-03 Richard Guenther <rguenther@suse.de>
4838 * stmt.c (add_case_node): Make sure to clear overflow flags
4841 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4843 Merge from gomp-branch.
4844 * config/sparc/sync.md: New file.
4845 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4846 UNSPECV_LDSTUB): New constants.
4847 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4848 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4849 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4852 2006-01-03 Roger Sayle <roger@eyesopen.com>
4854 * combine.c (reg_subword_p): New predicate to test whether the
4855 destination of a set refers to a subword/piece of a register.
4856 (try_combine): Generalize the code to merge the setting of a
4857 pseudo to a constant followed by a set of a subword of that
4858 register to a constant.
4860 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4862 * basic-block.h (control_flow_graph): Change the type of
4863 x_label_to_block_map to VEC(basic_block,gc) *.
4864 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4865 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4867 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4868 VEC(basic_block,heap) *.
4869 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4870 ssa_prop_fini): Adjust the uses of cfg_blocks.
4872 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4874 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4876 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4877 hashing trees instead of a pointer hash.
4878 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4879 compare for MEM_EXPR.
4881 PR rtl-optimization/25130
4882 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4883 when comparing MEMs for GCSE
4885 2006-01-03 Ben Elliston <bje@au.ibm.com>
4887 * targhooks.h (default_decimal_float_supported_p): Declare.
4888 * targhooks.c (default_decimal_float_supported_p): Define.
4889 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4890 `default_decimal_float_supported_p'.
4891 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4893 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4895 * combine.c (apply_distributive_law <SUBREG>): Check
4896 TRULY_NOOP_TRUNCATION.
4898 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4900 * dwarf2out.c (have_switched_text_section): Delete.
4901 (have_multiple_function_sections): New.
4902 (have_location_lists): Make 'bool'.
4903 (add_AT_loc_list): Use 'true' not '1'.
4904 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4905 (output_loc_list): Use have_multiple_function_sections.
4906 (output_ranges): Likewise.
4907 (dwarf2out_begin_function): Set have_multiple_function_sections if
4909 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4910 Check function_section rather than DECL_SECTION_NAME.
4911 (dwarf2out_finish): Use have_multiple_function_sections.
4912 Don't clear have_location_lists.
4914 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4915 Jan Hubicka <jh@suse.cz>
4917 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4918 case of conditional jump jumping to the next instruction.
4919 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4920 cases of conditional jump jumping to the next instruction.
4922 2006-01-02 Jan Hubicka <jh@suse.cz>
4924 * i386.c (*_cost): Add COSTS_N_INSNS.
4925 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4927 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4930 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4932 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4934 * config/arm/arm.c (all_fpus): Fix comment typo.
4935 * config/darwin.c: Likewise.
4936 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4937 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4938 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4940 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4942 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4943 (rs6000_split_compare_and_swapqhi): New.
4944 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4945 (sync_compare_and_swapqhi_internal): New.
4946 * config/rs6000/rs6000-protos.h: Declare.