1 2006-02-16 Jeff Law <law@redhat.com>
3 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5 (ssa_name_nonzero_p): Likewise.
6 (get_value_range): Return NULL if VRP is not running.
7 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8 VRP routines do not discover a range.
9 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12 (tree_expr_nonnegative_p): Similarly.
13 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14 (restore_nonzero_vars_to_original_value): Remove.
15 (unsafe_associative_fp_binop): Remove.
16 (tree_ssa_dominator_optimize): Remove initialization and
17 finalization of nonzero_vars and nonzero_vars_stack.
18 (dom_opt_initialize_block): No longer push marker on
20 (dom_opt_finalize_block): No longer call
21 restore_nonzero_vars_to_original_value.
22 (record_equivalences_from_phis): No longer look for
23 nonzero PHI arguments.
24 (cprop_into_successor_phis): No longer propagate nonzero
25 property into PHI arguments. Lose unused argument. Caller
27 (record_equivalences_from_stmt): No longer record nonzero
29 (lookup_avail_expr): No longer use nonzero_vars.
31 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
32 for sizetype when sizetype is unsigned.
34 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
36 PR rtl-optimization/25603
37 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
38 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
39 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
40 with new meaning of SETS.
42 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
47 * config/linux.opt: New file.
48 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
49 LINUX_DYNAMIC_LINKER): Define.
50 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
51 * config.gcc (*-*-linux*): Define extra_options.
52 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
53 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
54 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
56 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
57 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
58 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
59 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
60 * doc/invoke.texi (GNU/Linux Options): New section.
62 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
64 * config/sparc/sparc.md (setjmp): Rewrite.
66 (setjmp_64): Likewise.
68 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
70 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
73 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
75 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
78 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
80 PR rtl-optimization/26296
81 * Makefile.in (loop-invariant.c): Add except.h dependency.
82 * loop-invariant.c: Include except.h.
83 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
85 2005-02-16 Paul Brook <paul@codesourcery.com>
87 * reload1.c (emit_reload_insns): Invalidate dead input registers used
90 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
92 PR rtl-optimization/25636
93 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
94 when deciding whether an insn is an initializing insn.
96 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
98 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
99 (tree_code_size): Ditto.
100 * tree.h (struct tree_memory_tag): Remove parent_var.
101 (struct tree_struct_field_tag): New.
104 (union tree_node): Add sft member.
105 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
107 (create_sft): Add size and offset argument, set SFT_OFFSET and
109 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
110 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
111 * tree-flow-inline.h (get_subvar_at): Update for
113 (var_can_have_subvars): Ditto.
114 (overlap_subvar): Ditto.
115 * print-tree.c (print_node): Print out interesting things for
117 * tree-flow.h (struct subvar): Remove offset and size members.
118 * tree-ssa-operands.c (get_expr_operands): Update for
119 get_indirect_ref_operands changes.
120 (get_indirect_ref_operands): Call add_virtual_operand instead of
121 add_stmt_operand. Only recurse on base var if requested.
122 (access_can_touch_variable): New function.
123 (add_stmt_operand): Split virtual operand handling into ...
124 (add_virtual_operand): Here. Add offset, size, and for_clobber
125 arguments. Prune alias sets.
126 (add_call_clobber_ops): Call add_virtual_operand.
128 2006-02-15 Jakub Jelinek <jakub@redhat.com>
131 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
133 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
134 than TREE_CODE as index into omp_clause_num_ops array.
136 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
138 PR rtl-optimization/26184
139 * modulo-sched.c (generate_reg_moves): Free bitmap vector
141 * modulo-sched.c (sms_schedule): Free g_arr pointer.
142 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
143 must_precede, must_follow and tobe_scheduled.
146 * opts.c (common_handle_option): Free new_option pointer.
147 * df-core.c (df_analyze): Free postorder pointer.
149 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
151 * Makefile.in: Fix the examples about the use of stamps
153 2006-02-15 Michael Matz <matz@suse.de>
157 * stor-layout.c (layout_decl): Zero-width bitfields aren't
158 influenced by maximum_field_alignment or DECL_PACKED.
159 (update_alignment_for_field): Ditto.
160 (place_field): Ditto.
161 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
164 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
166 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
167 (debug_flow_info): Pass it.
168 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
169 * bb-reorder.c (reorder_basic_blocks): Likewise.
170 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
171 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
172 * flow.c (life_analysis, recompute_reg_usage): Likewise.
173 * gcse.c (gcse_main, bypass_jumps): Likewise.
174 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
175 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
176 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
177 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
178 * rtl.h (dump_flow_info): Adjust prototype.
179 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
180 * var-tracking.c (variable_tracking_main): Likewise.
181 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
182 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
185 2006-02-15 Marcin Dalecki <martin@dalecki.de>
187 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
190 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
192 PR tree-optimization/26209
193 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
194 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
196 * tree-cfg.c (replace_uses_by): Do not alter cfg.
198 2006-02-14 Roger Sayle <roger@eyesopen.com>
201 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
202 (X,Y) and the corresponding symmetry related transformations.
203 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
204 (X,Y) and its symmetry related transformations.
206 2006-02-14 Roger Sayle <roger@eyesopen.com>
208 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
211 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
213 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
215 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
218 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
219 support COMDAT group.
220 * configure: Regenerate.
222 2006-02-14 Roger Sayle <roger@eyesopen.com>
227 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
229 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
231 Fix PR tree-optimization/26260
233 * doc/invoke.texi (max-fields-for-field-sensitive): Document
235 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
236 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
237 * tree-ssa-structalias.c (create_variable_info_for): Use
238 MAX_FIELDS_FOR_FIELD_SENSITIVE.
240 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
242 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
244 * tree-ssa-loop-niter.c (number_of_iterations_ne,
245 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
246 of the ending condition.
247 * tree-ssa-loop-manip.c: Include params.h.
248 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
249 tree_unroll_loop): New functions.
250 * tree-pass.h (pass_loop_prefetch): Declare.
251 * loop.c (rest_of_handle_loop_optimize): Test for
252 -fprefetch-loop-arrays-rtl.
253 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
254 * timevar.def (TV_TREE_PREFETCH): New timevar.
255 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
256 pass_loop_prefetch): New.
257 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
258 (cleanup_tree_cfg_loop): Call scev_reset.
259 * common.opt (fprefetch-loop-arrays-rtl): Add.
260 * tree-ssa-loop-prefetch.c: New file.
261 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
262 (new_temp_expr_table): Initialize expr_vars.
263 (free_temp_expr_table): Cleanup expr_vars.
264 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
265 expressions from being merged into one.
266 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
267 (struct tree_niter_desc): Add control, bound and cmp fields.
268 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
270 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
271 (tree-cfgcleanup.o): Add SCEV_H dependency.
272 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
273 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
275 2006-02-14 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/26258
278 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
279 in PHI argument processing.
281 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
283 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
284 new expression in the requested machine mode.
286 2006-02-13 Roger Sayle <roger@eyesopen.com>
288 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
289 directly, instead let do_compare_rtx_and_jump handle this for us.
290 * expr.c (expand_expr_real_1): Likewise.
291 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
292 before do_jump_by_parts_greater.
293 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
294 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
296 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
298 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
300 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
302 PR rtl-optimization/26235
303 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
304 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
307 2006-02-13 Jeff Law <law@redhat.com>
309 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
312 2006-02-13 Jakub Jelinek <jakub@redhat.com>
315 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
316 twice if decl is a builtin. When trying again, call get_callee_fndecl
317 first to verify it is still a builtin.
319 2006-02-13 Geoffrey Keating <geoffk@apple.com>
321 * dwarf2out.c (base_type_die): Don't add AT_name here.
322 (subrange_type_die): Don't add AT_name here.
323 (modified_type_die): Rearrange code flow. Do add AT_name here.
325 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
327 PR rtl-optimization/26247
328 PR rtl-optimization/26248
329 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
331 2006-02-13 Richard Sandiford <richard@codesourcery.com>
333 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
334 * config/fixtfdi.c: Likewise.
335 * config/fixunstfdi.c: Likewise.
336 * config/floatditf.c: Likewise.
338 2006-02-13 Roger Sayle <roger@eyesopen.com>
341 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
342 into (X,C2) if C1 is a subset of the bits of C2. Transform
343 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
345 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
347 2006-02-13 Josh Conner <jconner@apple.com>
350 * varasm.c (function_section): Check for section name before
351 calling select_section on targets that define
352 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
353 unlikely_text_section instead of hot_function_section if
354 first_function_block_is_cold.
356 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
359 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
361 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
363 PR rtl-optimization/26222
364 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
365 after tree->rtl expansion.
366 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
367 before passing it to emit_move_insn.
369 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
371 * doc/invoke.texi (-Write-strings): Document that it is enabled by
373 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
374 Clarify documentation.
375 * c-common.h (warn_write_strings): Remove.
376 * c-common.c (warn_write_strings): Likewise.
377 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
380 2006-02-12 Roger Sayle <roger@eyesopen.com>
383 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
384 (do_jump_parts_zero_rtx): New function renamed from
385 do_jump_parts_equality_rtx. Made static. Add a mode argument.
386 (do_jump_parts_equality_rtx): New function split out from
387 do_jump_parts_equality. Old implementation renamed as above.
388 Call do_jump_parts_zero_rtx if either operand is zero.
389 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
390 do all of the heavy lifting.
391 (do_compare_rtx_and_jump): Handle multi-word comparisons by
392 calling either do_jump_by_parts_greater_rtx or
393 do_jump_by_parts_equality_rtx.
394 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
395 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
396 moved to do_compare_rtx_and_jump, call it directly.
397 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
398 mode argument. Call do_compare_rtx_and_jump.
399 (emit_case_nodes): Update calls to do_jump_if_equal.
401 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
403 PR rtl-optimization/26225
404 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
406 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
408 PR rtl-optimization/26232
409 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
411 2006-02-11 Jason Merrill <jason@redhat.com>
414 * tree-inline.c (declare_return_variable): Just don't use the
415 modify target if it's a gimple complex reg and the return slot
418 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
420 * doc/contrib.texi: Update my entry.
422 2006-02-10 Geoffrey Keating <geoffk@apple.com>
424 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
426 2006-02-10 Diego Novillo <dnovillo@redhat.com>
428 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
431 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
433 * doc/invoke.texi (-floop-optimize2): Removed.
434 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
435 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
436 Test flag_branch_on_count_reg only if HAVE_doloop_end.
437 * common.opt (floop-optimize2): Removed.
438 (fmove-loop-invariants): Enabled by default.
440 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
442 * tree-if-conv.c (combine_blocks): Free the result of
445 2006-02-10 Jeff Law <law@redhat.com>
447 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
449 PR tree-optimization/26213
450 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
451 loop trying to follow SSA_NAME_VALUE chains.
453 2006-02-10 Richard Guenther <rguenther@suse.de>
455 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
456 deal with structures that end in implicitly variable sized arrays.
458 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
460 PR rtl-optimization/24762
461 * df-scan.c (df_bb_refs_record): Record correct registers defined on
464 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
466 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
467 (struct ivopts_data): Add regs_used field.
468 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
469 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
470 instead of loop_data->regs_used;
471 (free_loop_data): Do not free aux fields for loops.
472 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
473 and tree_ssa_iv_optimize_finalize.
475 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
477 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
479 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
482 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
483 computing the effective result type.
485 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
488 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
489 (tree_overlaps_hard_reg_set): Declare.
490 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
491 type and signature to match function type expected by walk_tree.
492 (tree_overlaps_hard_reg_set): New function.
493 (decl_conflicts_with_clobbers_p): Rename to:
494 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
495 Use tree_overlaps_hard_reg_set. Changed caller.
496 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
497 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
498 * cris.c (cris_md_asm_clobbers): Likewise.
500 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
502 * reload1.c (emit_input_reload_insns): Delete code that tries to
503 inherit using find_equiv_reg.
505 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
507 * c-common.h (flag_const_strings): Don't declare.
508 * c-common.c (flag_const_strings): Remove.
509 * c.opt (fconst_strings): Remove.
510 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
511 <OPT_Wwrite_strings>: Don't set flag_const_strings.
512 (c_common_init_options): Don't set flag_const_strings.
513 * doc/invoke.texi (-fno-const-strings): Remove documentation.
515 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
517 * arm.md (tlobits_cbranch): New pattern.
518 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
519 testing a single bit.
521 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
524 * tree-ssa-pre.c (create_component_ref_by_pieces):
525 Handle RETURN_DECL like VAR_DECL.
527 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
530 * fold-const.c (fold_indirect_ref_1): Fold
531 "*(foo *)&complexfoo" to "__real__ complexfoo"
532 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
534 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
536 * tree-flow-inline.h (var_can_have_subvars):
537 Volatile variables should not have subvariables.
539 2006-02-09 Diego Novillo <dnovillo@redhat.com>
542 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
543 multiplying unsigned values.
546 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
548 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
550 2006-02-08 Jason Merrill <jason@redhat.com>
553 * tree.def: Elaborate on difference from MODIFY_EXPR.
554 * doc/c-tree.texi (INIT_EXPR): Likewise.
555 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
556 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
557 (gimplify_target_expr): Likewise.
558 (gimplify_cond_expr): Remove target handling.
559 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
560 (gimplify_expr): Clobber it here.
561 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
562 Do return slot optimization if we have an INIT_EXPR.
565 * tree-inline.c (declare_return_variable): Also clear
566 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
569 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
572 * gimplify.c (gimplify_one_sizepos): Fix typo.
574 2006-02-08 Jeff Law <law@redhat.com>
576 PR tree-optimization/21417
577 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
578 across a backedge if the control statement at the end of the
579 block is data dependent on other statements in the same block.
580 (record_temporary_equivalences_from_stmts): Remove over-conservative
581 test for threading across backedges.
583 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
584 control statement, handle all three special cases in the same
585 manner as they all have the same desired solution. No longer
586 special case edge flag updating when the post dominator is
589 2006-02-08 Roger Sayle <roger@eyesopen.com>
591 * tree.def (CHAR_TYPE): Remove.
592 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
593 * dwarf2out.c (base_type_die, is_base_type): Likewise.
594 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
595 (gen_string_type_die): Delete unreachable function.
597 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
598 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
599 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
600 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
601 * builtins.c (type_to_class): Likewise.
602 * fold-const.c (fold_convert, build_range_check,
603 merge_ranges): Likewise.
604 * expr.c (count_type_elements): Likewise.
605 * c-pretty-print.c (pp_c_type_specifier): Likewise.
606 * stor-layout.c (layout_type): Likewise.
607 * ipa-type-escape.c (type_to_consider): Likewise.
608 * gimplify.c (omp_firstprivatize_type_sizes,
609 gimplify_type_sizes): Likewise.
610 * explow.c (promote_mode): Likewise.
611 * tree-sra.c (is_sra_scalar_type): Likewise.
612 * varasm.c (output_constant): Likewise.
613 * tree-inline.c (remap_type_1): Likewise.
614 * convert.c (convert_to_pointer, convert_to_real,
615 convert_to_integer, convert_to_complex): Likewise.
617 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
619 * df-scan.c (df_def_record_1): A set destination may
620 be a parallel regardless of mode.
622 2006-02-08 Roger Sayle <roger@eyesopen.com>
625 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
626 * config/mips/_tilib.c: Remove.
627 * config/fixtfdi.c: New libgcc source file.
628 * config/fixunstfdi.c: New source file.
629 * config/floatditf.c: New source file.
630 * config/floatunditf.c: New souce file.
631 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
632 files above instead of config/mips/_tilib.c.
633 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
635 2006-02-08 Jeff Law <law@redhat.com>
637 PR tree-optimization/26169
638 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
641 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
643 * df.h (DF_REG_SIZE): Return the length of the initialized
646 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
648 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
649 __muldf3): Return a correctly signed zero.
651 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
653 * passes.c (register_one_dump_file): Accept the current properties
654 instead of pass number. Adjust call to dump_register. Remove
656 (register_dump_files): Now a wrapper around...
657 (register_dump_files_1): ... this one. Do not modify the pass
659 (next_pass_1): Cosmetic fix.
660 (execute_todo): Keep second parameter only. Use curr_properties
661 instead of fetching it from the pass structure. Check and set
663 (execute_one_pass): Handle TODO_set_props. Use curr_properties
664 instead of fetching it from the pass structure. Fix calls to
665 execute_todo. Update curr_properties and initialize .vcg RTL dump
666 after running the pass. Reset last_verified.
667 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
669 (FIRST_AUTO_NUMBERED_DUMP): New.
670 (dump_register): Remove "num" parameter, assign it within the
672 (get_dump_file_name): Modify template for dumps.
673 * tree-dump.h (dump_register): Adjust prototype.
674 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
675 (PROP_trees): Add PROP_gimple_lomp.
676 (TODO_set_props): New.
677 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
678 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
679 * cfgexpand.c (pass_expand): Destroy PROP_trees.
681 2006-02-08 Jakub Jelinek <jakub@redhat.com>
683 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
684 (sparc64-*-linux*): Likewise.
685 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
686 * config/sparc/t-linux: New file.
687 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
688 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
689 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
690 -m32 -mlong-double-128.
692 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
693 * config/alpha/t-linux: New file.
694 * config/alpha/libgcc-alpha-ldbl.ver: New file.
696 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
697 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
698 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
699 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
700 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
701 (CPP_ARCH32_SPEC): Remove.
703 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
705 PR tree-optimization/26145
706 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
709 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
712 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
713 >= 240000 when generating code for SOM runtime.
714 (output_indirect_call): Don't use "b,l" instruction for indirect calls
715 to $$dyncall when generating code for SOM runtime..
717 2006-02-07 Dirk Mueller <dmueller@suse.com>
720 * doc/invoke.texi (-Wsequence-point): Update documentation
721 that -Wsequence-point is implemented for C++ as well.
723 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
725 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
726 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
727 (LIB_SPEC): Likewise.
728 * doc/invoke.texi (SPARC options): Document -pthread.
730 2006-02-07 Geoffrey Keating <geoffk@apple.com>
732 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
735 2006-02-07 Roger Sayle <roger@eyesopen.com>
737 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
738 Correct comment describing BOOLEAN_TYPE.
740 2006-02-07 Dirk Mueller <dmueller@suse.com>
742 * c.opt: C++ frontend supports -Wdiv-by-zero.
743 * c-opts.c (c_common_handle_option): Remove dead case.
745 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
747 * configure.ac (TLS assembler check): Do not enable TLS by
748 default on SPARC/Solaris before version 10.
749 * configure: Regenerate.
751 2006-02-07 David Edelsohn <edelsohn@gnu.org>
753 * doc/invoke.texi (xl-compat): Document conversion and support
756 2006-02-07 Jeff Law <law@redhat.com>
758 * tree-vrp.c (find_conditional_asserts): Update comments.
759 (simplify_stmt_for_jump_threading): New.
760 (identify_jump_threads, finalize_jump_threads): New.
761 (vrp_finalize): Call identify_jump_threads.
762 (execute_vrp): Call finalize_jump_threads.
763 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
764 (vrp_element, vrp_data, vrp_element_p): Remove.
765 (vrp_hash_elt, vrp_variables_stack): Remove.
766 (vrp_hash, vrp_eq, record_range): Remove.
767 (simplify_cond_and_lookup_avail_expr): Remove.
768 (extract_range_from_cond): Remove.
769 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
770 (simplify_stmt_for_jump_threading): New.
771 (dom_thread_across_edge): New wrapper.
772 (tree_ssa_dominator_optimize): No longer initialize or
773 finalize any of the VRP datastructures. Remove iteration
774 step and simplify as a result of removal of iteration step.
775 (pass_dominator): Perform a cfg cleanup after DOM.
776 (dom_opt_finalize_block): Use the new common routines
777 for threading jumps. Simplify stack management slightly.
778 No longer need to unwind VRP state.
779 (record_equivalences_from_incoming_edge): No longer record
781 (eliminate_redundant_computations): No longer call
782 simplify_cond_and_lookup_avail_expr.
783 * tree-flow.h (potentially_threadable_block): Prototype.
784 (thread_across_edge): Likewise.
785 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
786 (tree-ssa-threadedge.o): Add dependencies.
787 * tree-ssa-threadedge.c: New file.
788 * passes.c (init_optimization_passes): Merge PHIs before
789 calling VRP. Run VRP again late in the SSA optimization pipeline.
791 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
793 * df-core.c (df_set_blocks): Do not dereference function pointers.
794 (df_finish1): Likewise.
795 (df_hybrid_search_forward): Likewise.
796 (df_hybrid_search_backward): Likewise.
797 (df_iterative_dataflow): Likewise.
798 (df_analyze_problem): Likewise.
799 (df_compact_blocks): Likewise.
801 * df-scan.c (df_rescan_blocks): Likewise.
802 (df_record_entry_block_defs): Likewise.
804 * genconditions.c (write_conditions): Guard the definition of
805 'insn_conditions' with the check on GCC version.
806 (write_writer): Guard the traversal 'insn_conditions' with
807 the check on GCC version.
809 2006-02-07 Richard Guenther <rguenther@suse.de>
813 2006-01-30 Richard Guenther <rguenther@suse.de>
815 * gimplify.c (gimplify_target_expr): Handle easy cases
816 without creating a temporary.
818 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
820 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
821 use of float in probability computations. Use edge probabilities
822 in place of statically computed probabilities.
823 (min_spec_prob): New static variable.
824 (schedule_insns): Initialize it.
825 (GET_SRC_PROB): Removed.
826 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
828 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
831 * config/ia64/unwind-ia64.c: Revert last change.
832 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
833 (INCOMING_FRAME_SP_OFFSET): Define.
835 2006-02-06 Roger Sayle <roger@eyesopen.com>
837 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
839 2006-02-07 Ben Elliston <bje@au.ibm.com>
841 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
842 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
843 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
844 (ix86_return_in_memory): Handle TDmode.
845 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
846 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
848 2006-02-06 Richard Sandiford <richard@codesourcery.com>
850 * reorg.c (dbr_schedule): Use dump_file instead of file.
852 2006-02-06 Steve Ellcey <sje@cup.hp.com>
855 * config/ia64/predicates.md (extr_len_operand): New predicate.
856 * config/ia64/ia64.md (extv): Tighten constraints.
858 (*tbit_and_2): Ditto.
859 (*tbit_and_3): Ditto.
865 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
868 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
870 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
872 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
873 loop_optimizer_init and loop_optimizer_finalize
874 * tree-ssa-sink.c (execute_sink_code): Ditto.
875 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
876 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
877 tree_ssa_loop_done): Ditto.
878 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
879 * sched-ebb.c: Include output.h.
880 (schedule_ebbs): Do not use dump argument.
881 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
882 * loop.c (loop_dump_stream): Removed.
883 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
885 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
886 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
887 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
888 loop_iterations, strength_reduce, record_biv, record_giv,
889 final_giv_value, check_final_value, check_ext_dependent_givs,
890 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
891 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
892 dump_file instead of loop_dump_stream.
893 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
895 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
897 * flow.c (life_analysis, rest_of_handle_life): Ditto.
898 * haifa-sched.c: Include output.h
899 (schedule_insns, sched_init): Do not use dump argument.
900 * mode-switching.c (optimize_mode_switching): Ditto.
901 * modulo-sched.c (stats_file): Removed.
902 (print_node_sched_params): Do not call argument dump_file.
903 (sms_schedule_by_order, loop_canon_p, sms_schedule,
904 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
906 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
908 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
909 rtl_loop_init, rtl_loop_done): Ditto.
910 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
911 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
913 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
914 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
915 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
916 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
917 * emit-rtl.c (renumber_insns): Ditto.
918 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
919 expand_gimple_basic_block, tree_expand_cfg): Ditto.
920 * regclass.c (regclass): Ditto.
921 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
922 remove_ssa_form, rewrite_out_of_ssa): Ditto.
923 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
924 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
926 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
927 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
929 * gcse.c (gcse_file, debug_stderr): Removed.
930 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
931 rest_of_handle_gcse): Do not use dump argument.
932 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
933 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
934 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
935 compute_code_hoist_vbeinout, compute_code_hoist_data,
936 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
937 compute_store_table, build_store_vectors, insert_insn_start_bb,
938 insert_store, remove_reachable_equiv_notes, replace_store_insn,
939 store_motion): Use dump_file instead of gcse_file.
940 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
941 * profile.c (profile_dump_file): Removed.
942 (branch_prob): Use dump_file instead of profile_dump_file.
943 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
945 * tree-ssa-copy.c (dump_copy_of): Ditto.
946 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
947 dump file to life_analysis.
948 * bt-load.c (branch_target_load_optimize): Ditto.
949 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
951 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
952 regclass, dbr_schedule): Declaration changed.
953 * sched-int.h (sched_init): Declaration changed.
954 * tree-profile.c (tree_profile_dump_file): Removed.
955 (tree_profile_hooks): Removed profile_dump_file hook.
956 * rtl-profile (rtl_profile_dump_file): Removed.
957 (rtl_profile_hooks): emoved profile_dump_file hook.
958 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
960 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
961 * tree-cfg.c (build_tree_cfg): Ditto.
962 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
963 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
965 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
966 life_analysis and schedule_insns.
967 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
969 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
971 * config/mips/mips.c (mips_reorg): Ditto.
972 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
975 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
977 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
978 (s390_mangle_fundamental_type): New.
979 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
982 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
983 (alpha_mangle_fundamental_type): New.
984 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
987 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
989 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
991 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
992 (sparc_mangle_fundamental_type): New.
994 2006-02-06 Jakub Jelinek <jakub@redhat.com>
996 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
997 (s390x-*-linux*): Likewise.
998 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
999 * config/s390/t-linux: New file.
1001 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1003 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1004 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1006 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1008 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1009 (ANTIC_SAFE_LOADS): New macro.
1010 (find_or_generate_expression): Add prototype.
1011 (set_contains_value): Allow null set for sake of not always having
1012 to allocate ANTIC_SAFE_LOADS.
1013 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1014 Allow COMPONENT_REF too.
1015 (valid_in_set): Allow COMPONENT_REF.
1016 Check ANTIC_SAFE_LOADS too.
1017 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1018 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1020 (can_PRE_operation): Add COMPONENT_REF.
1021 (create_component_ref_by_pieces): New function.
1022 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1023 (insert_aux): Move AGGREGATE_TYPE_P check here.
1024 (compute_avail): Set bb local stmt uids.
1025 (pass_pre): Use TODO_update_ssa_only_virtuals.
1027 2006-02-06 Ben Elliston <bje@au.ibm.com>
1029 * configure.ac: Unconditionally disable decimal float by default.
1030 * configure: Regenerate.
1032 2006-02-06 Ben Elliston <bje@au.ibm.com>
1034 * read-rtl.c (read_name): Terminate reading on EOF.
1036 2006-02-06 Ben Elliston <bje@au.ibm.com>
1038 * dfp.c (decimal_real_arithmetic): Change second argument type
1039 from int to enum tree_code. Do not always return true, but now
1040 return result of any call to decimal_do helper functions.
1041 * dfp.h (decimal_real_arithmetic): Update prototype.
1043 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1045 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1047 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1050 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1053 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1055 * tree-vrp.c (cfg_loops): Removed.
1056 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1057 Use current_loops instead of cfg_loops. Pass flags to
1058 loop_optimizer_init.
1059 * cfgloopmanip.c (fix_loop_structure): Update only available
1061 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1062 loop_optimizer_init.
1063 * modulo-sched.c (build_loops_structure): Removed.
1064 (sms_schedule): Use loop_optimizer_init.
1065 * loop-init.c (loop_optimizer_init): Use flags to determine
1066 which properties of loops to prepare.
1067 (rtl_loop_init): Pass flags to loop_optimizer_init.
1068 * tree-ssa-sink.c (execute_sink_code): Ditto.
1069 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1070 * tree-ssa-pre.c (init_pre): Ditto.
1071 * cfgloop.h (LOOPS_NORMAL): New.
1072 (loop_optimizer_init): Declaration changed.
1074 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1076 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1077 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1079 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1081 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1083 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1084 * pa/t-pa64: Delete quadlib.c rule.
1085 * pa/x-ada: Revert last change.
1086 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1088 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1090 PR rtl-optimization/26087
1091 * rtlanal.c (canonicalize_condition): Do not cross basic block
1094 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1097 * config/ia64/ia64.c: Include debug.h.
1098 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1099 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1100 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1101 (process_epilogue, process_set, process_for_unwind_directive):
1102 Output unwind info only if requested. Add CFA info if requested.
1103 Add new arguments as needed. Adjust callers.
1104 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1106 (DWARF2_FRAME_INFO): Define to zero.
1107 * config/ia64/unwind-ia64.c: Remove code that compensated for
1108 the CFA offset error fixed above.
1109 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1110 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1111 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1112 -funwind-tables and -fexceptions to enable frame info.
1113 (dwarf2out_frame_init): Define initial CFA even if
1114 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1115 DWARF2_UNWIND_INFO is nonzero, not just defined.
1116 (dwarf2out_frame_finish): Output non-EH call frame info only
1117 if DWARF2_FRAME_INFO is nonzero.
1118 (convert_cfa_to_loc_list,
1119 compute_frame_pointer_to_cfa_displacement): Define even if
1120 unwind info is not supported.
1121 (gen_subprogram_die): Use the above unconditionally. Remove
1122 legacy alternate code.
1123 * toplev.c (compile_file): Compile in call to
1124 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1125 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1127 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1128 Jakub Jelinek <jakub@redhat.com>
1130 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1131 IBM extended float format long double as "g" on powerpc*-linux.
1133 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1136 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1137 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1139 2006-02-03 Jason Merrill <jason@redhat.com>
1142 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1145 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1146 on the return slot if it's an NRV.
1148 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1150 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1151 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1152 rewrite_use): Do not handle USE_OUTER.
1153 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1154 add_iv_outer_candidates, may_replace_final_value,
1155 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1156 (find_interesting_uses_op): Functionality of
1157 find_interesting_uses_outer_or_nonlin moved here.
1158 (find_interesting_uses_outside): Use find_interesting_uses_op.
1160 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1163 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1165 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1166 Ulrich Weigand <uweigand@de.ibm.com>
1169 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1170 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1171 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1172 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1174 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1175 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1176 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1177 Define secondary reloads for TFmode moves.
1178 (constant_modes): Add TFmode.
1179 (NR_C_MODES): Set to 8.
1180 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1182 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1183 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1184 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1185 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1186 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1187 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1188 (FPR mode macro): Add TFmode.
1189 (DSF mode macro): New.
1190 (<de>, <dee> mode attributes): Removed.
1191 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1192 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1193 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1194 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1195 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1196 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1197 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1198 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1199 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1200 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1201 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1202 "*negabs<mode>2", "sqrt<mode>2"):
1203 Changed <de> to <xde>. R constraint replaced by <Rf>.
1204 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1206 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1207 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1208 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1210 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1211 "extenddftf2", "extendsftf2"): New expanders.
1212 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1213 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1214 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1215 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1217 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1218 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1219 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1220 __floatditf): Add a GCC_4.1.0 symbol version tag.
1221 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1224 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1227 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1228 Use targetm.binds_local_p instead of TREE_PUBLIC.
1230 2006-02-02 Roger Sayle <roger@eyesopen.com>
1232 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1233 on INTEGER_TYPEs to indicate that it denotes a character type.
1234 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1235 signed_char_type_node, unsigned_char_type_node and char_type_node.
1236 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1237 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1238 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1240 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1241 Daniel Berlin <dberlin@dberlin.org>
1243 * tree-tailcall.c (arg_needs_copy_p): New function.
1244 (eliminate_tail_call): Use arg_needs_copy_p.
1245 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1246 (add_virtual_phis): New function.
1248 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1250 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1251 #ignore instead of #scratch for %g7 .register directive.
1253 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1255 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1258 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1260 * flow.c (calculate_global_regs_live): Assert that there aren't any
1263 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1265 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1267 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1268 bsi_after_labels iterator.
1269 * tree-if-conv.c (find_phi_replacement_condition,
1270 replace_phi_with_cond_modify_expr): Likewise.
1271 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1272 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1274 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1276 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1278 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1281 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1282 array after growing it.
1284 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1287 * fold-const.c (fold_checksum_tree): Change type of buf.
1289 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1291 * reload.c (push_secondary_reload): Initialize t_icode.
1293 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1295 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1296 -msoft-float -mlong-double-128 only issue a warning, but don't
1297 swich to DFmode long double.
1299 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1301 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1302 has a constant equivalent, iterate over equivalents for arg0,
1303 calling simplify_relational_operation and if there's a result
1304 cheaper than X, apply fold_rtx and return the result.
1306 2006-02-01 Jan Hubicka <jh@suse.cz>
1308 * opts.c (no_unit_at_a_time_default): New global variable.
1309 (decode_options): Use it.
1310 * opts.h (no_unit_at_a_time_default): Declare.
1312 2006-02-01 Paul Brook <paul@codesourcery.com>
1314 * function.c (assign_parm_setup_reg): Use function argument promotion
1316 * expr.c (expand_expr_real_1): Use function argument promotion rules
1319 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1321 * gcc.c (process_command): Change j to 'unsigned int'.
1323 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1326 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1327 Use the corrected index for the character
1328 out of the string constant.
1330 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1332 * mode-switching.c (optimize_mode_switching): Fix size
1333 allocated for bb_info[n_entities].
1335 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1337 * gcc.c (main): Correct type that is allocated for
1338 explicit_link_files.
1340 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1342 * config/s390/s390.c (init_alignment_context): Set
1343 ALIAS_SET_MEMORY_BARRIER on the MEM.
1344 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1346 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1349 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1351 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1354 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1356 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1357 * regrename.c: Ditto.
1358 * tree-ssa-loop-im.c: Ditto.
1359 * tree-dump.c: Ditto.
1360 * tree-complex.c: Ditto.
1361 * genrecog.c: Ditto.
1362 * tree-ssa-threadupdate.c: Ditto.
1364 * java/class.c: Ditto.
1365 * java/jcf-parse.c: Ditto.
1366 * java/resource.c: Ditto.
1367 * java/except.c: Ditto.
1368 * java/jvspec.c: Ditto.
1369 * java/jcf-write.c: Ditto.
1370 * java/jcf-path.c: Ditto.
1371 * java/gjavah.c: Ditto.
1372 * java/zextract.c: Ditto.
1373 * java/jcf-io.c: Ditto.
1374 * java/jcf.h: Ditto.
1375 * java/buffer.c: Ditto.
1376 * java/lang.c: Ditto.
1377 * java/parse-scan.y: Ditto.
1378 * java/lex.c: Ditto.
1379 * java/lex.h: Ditto.
1380 * cfgloopmanip.c: Ditto.
1381 * postreload-gcse.c: Ditto.
1382 * tree-ssa-loop-manip.c: Ditto.
1383 * postreload.c: Ditto.
1384 * tree-ssa-loop-ch.c: Ditto.
1388 * diagnostic.c: Ditto.
1390 * genoutput.c: Ditto.
1392 * cfghooks.c: Ditto.
1393 * cfgloopanal.c: Ditto.
1394 * objc/objc-act.c: Ditto.
1396 * genextract.c: Ditto.
1397 * genautomata.c: Ditto.
1398 * pretty-print.c: Ditto.
1400 * cgraphunit.c: Ditto.
1403 * haifa-sched.c: Ditto.
1404 * dominance.c: Ditto.
1406 * tree-ssa-loop-ivopts.c: Ditto.
1408 * mode-switching.c: Ditto.
1409 * modulo-sched.c: Ditto.
1411 * ipa-pure-const.c: Ditto.
1413 * fix-header.c: Ditto.
1415 * tree-stdarg.c: Ditto.
1416 * ipa-utils.c: Ditto.
1417 * loop-init.c: Ditto.
1418 * ipa-inline.c: Ditto.
1421 * alloc-pool.c: Ditto.
1422 * dwarf2out.c: Ditto.
1424 * genattrtab.c: Ditto.
1425 * tree-ssa-loop-ivcanon.c: Ditto.
1429 * fortran/gfortranspec.c: Ditto.
1431 * local-alloc.c: Ditto.
1432 * langhooks.c: Ditto.
1433 * function.c: Ditto.
1434 * tree-vectorizer.c: Ditto.
1436 * ipa-type-escape.c: Ditto.
1438 * tree-if-conv.c: Ditto.
1441 * tree-data-ref.c: Ditto.
1442 * loop-unroll.c: Ditto.
1443 * treelang/treetree.c: Ditto.
1446 * ggc-common.c: Ditto.
1448 * coverage.c: Ditto.
1450 * tree-cfgcleanup.c: Ditto.
1451 * tree-ssa-pre.c: Ditto.
1452 * cfgcleanup.c: Ditto.
1453 * loop-invariant.c: Ditto.
1455 * ipa-prop.c: Ditto.
1456 * print-tree.c: Ditto.
1457 * conflict.c: Ditto.
1458 * ggc-page.c: Ditto.
1459 * sched-deps.c: Ditto.
1460 * regclass.c: Ditto.
1461 * tree-object-size.c: Ditto.
1463 * bb-reorder.c: Ditto.
1464 * resource.c: Ditto.
1465 * var-tracking.c: Ditto.
1467 * df-problems.c: Ditto.
1468 * reg-stack.c: Ditto.
1471 * sched-rgn.c: Ditto.
1472 * tree-ssa-structalias.c: Ditto.
1473 * tree-ssa-reassoc.c: Ditto.
1474 * config/darwin-c.c: Ditto.
1475 * config/darwin.c: Ditto.
1476 * config/arm/arm.c: Ditto.
1478 * collect2.c: Ditto.
1481 2006-01-31 Nicolas Pitre <nico@cam.org>
1483 * arm.md (smaxsi3): Make aware of smax_m1.
1486 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1488 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1490 2006-01-31 Richard Guenther <rguenther@suse.de>
1492 * doc/invoke.texi (-msselibm): Document.
1493 * target.h (expand_library_builtin): New target hook.
1494 * builtins.c (expand_builtin): Use expand_library_builtin.
1495 (default_expand_library_builtin): New function.
1496 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1497 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1498 (link_gcc_math_spec): Declare.
1499 (static_specs): Add link_gcc_math_spec.
1500 * expr.h (default_expand_library_builtin): Declare.
1501 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1502 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1503 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1504 * config/i386/i386.opt (msselibm): New target option.
1505 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1506 (ix86_init_sse_abi_builtins): New function.
1507 (ix86_expand_library_builtin): Likewise.
1508 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1509 (override_options): Handle error conditions wrt -msselibm.
1510 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1511 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1512 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1515 2006-01-31 Richard Guenther <rguenther@suse.de>
1516 Paolo Bonzini <bonzini@gnu.org>
1518 * doc/install.texi (--disable-libgcc-math): Document.
1520 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1522 * expr.h (expand_normal): new inline function.
1523 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1525 * dwarf2out.c: use it.
1530 * config/sparc/sparc.c: use it.
1531 * config/i386/i386.c: use it.
1532 * config/rs6000/rs6000.c: use it.
1533 * config/arm/arm.c: use it.
1534 * config/mips/mips.c: use it.
1535 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1537 2006-01-30 Roger Sayle <roger@eyesopen.com>
1539 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1540 argv to the appropriate type.
1542 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1544 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1547 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1550 * config/s390/s390.c (struct machine_function): New flag
1551 decomposed_literal_pool_addresses_ok_p.
1552 (s390_reorg): Set it before final stage of literal pool transforms.
1553 (s390_decompose_address): Only accept displacements of the form
1554 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1556 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1558 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1559 the comparison routine return.
1561 2006-01-30 Michael Matz <matz@suse.de>
1563 * global.c (find_reg): Only evict for global regs.
1564 Take n_refs into account and dump more info.
1566 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1569 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1570 (pragma_trap, pragma_nosave_low_regs): Likewise.
1571 (current_function_anonymous_args): Likewise.
1572 (sh_deferred_function_attributes): New variable.
1573 (sh_deferred_function_attributes_tail): Likewise.
1574 (print_operand): For '@', look up trap_exit attribute.
1575 (calc_live_regs): Look up trapa_handler attribute. For trapa
1576 handlers, save/restore fpscr, but don't do any other
1577 interrupt-specific saves.
1578 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1579 Fix check for partially saved registers to check for SHmedia.
1580 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1581 (sh_output_function_epilogue): Don't clear any of the removed
1583 (sh_insert_attributes): Don't check pragma_interrupt.
1584 Insert deferred attributes. Check that interrupt attribute is
1585 present for other attributes that require its presence.
1586 (sh_attribute_table): Add new attributes trapa_handler and
1588 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1589 Don't check for pragma_interrupt. Don't store argument.
1590 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1591 (sh_deferred_function_attributes): Declare.
1592 (sh_deferred_function_attributes_tail): Likewise.
1593 * sh.md (sp_switch_1): Add operand. Change generator caller.
1594 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1595 (*return_i): Don't use when trap_exit attribute is in effect.
1596 (*return_trapa): New insn pattern.
1598 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1599 setting c_target_objs and cxx_target_objs.
1600 * t-sh: Add rule for sh-c.o.
1602 2006-01-30 Richard Guenther <rguenther@suse.de>
1605 * gimplify.c (gimplify_target_expr): Handle easy cases
1606 without creating a temporary.
1608 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1610 * vec.h (safe_grow): Remove duplicated line.
1612 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1615 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1616 (expand_omp): ... here.
1617 (expand_omp_parallel): Only remove barriers for combined
1618 parallel+workshare constructs.
1620 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1624 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1625 * tree.c (build_qualified_type): Chain the new type to the original
1626 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1627 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1628 (build_pointer_type_for_mode): Only return unqualified types.
1629 (build_reference_type_for_mode): Likewise.
1631 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1633 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1634 * Makefile.in (CXX_COMPAT_WARN): Define.
1635 * configure: Regenerate.
1637 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1640 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1643 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1645 * toplev.c: Fix thinko.
1647 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1648 Marcin Dalecki <martin@dalecki.de>
1650 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1651 (push_srcloc): Use XNEW.
1652 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1654 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1656 * df-core.c (df_set_blocks): Deleted all variable.
1658 2006-01-28 Ian Lance Taylor <ian@airs.com>
1660 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1661 cgraph_output_pending_asms.
1663 2006-01-28 Zack Weinberg <zackw@panix.com>
1665 * c.opt: Add -W(no-)overlength-strings.
1666 * doc/invoke.texi: Document it.
1667 * c-opts.c (c_common_handle_option): -pedantic implies
1668 -Woverlength-strings, if not explicitly disabled already.
1669 (c_common_post_options): -Woverlength-strings defaults to off, and
1670 is always off for C++.
1671 * c-common.c (fix_string_type): Issue warning about strings longer
1672 than is portable only if warn_overlength_strings. Rearrange code
1673 a little for clarity.
1674 * configure.in: Check for -Wno-overlength-strings as well before
1675 enabling -pedantic in stage 1.
1676 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1677 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1679 * genconditions.c (write_header, write_one_condition)
1680 (write_conditions, write_writer): Consolidate very long strings
1681 that were broken up to fit in C89 portable limit. Don't use
1682 printf when fputs will do.
1684 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1686 * combine.c (simplify_comparison <AND>): Check
1687 TRULY_NOOP_TRUNCATION before start using a subreg.
1689 * config/mips/mips.md (*branch_zero<mode>,
1690 *branch_zero<mode>_inverted, *branch_equality<mode>,
1691 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1692 Remove mode check from comparisons.
1694 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1696 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1698 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1700 * expmed.c (const_mult_add_overflow_p): Remove.
1701 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1703 * recog.c (validate_replace_rtx_subexp): Remove.
1704 * recog.h: Remove the prototype for
1705 validate_replace_rtx_subexp.
1707 * integrate.h: Remove the prototype for
1708 copy_decl_for_inlining.
1709 * rtl.h: Remove the prototype for mark_constant_function.
1710 * tree-vectorizer.h: Remove the prototype for
1711 vect_strip_conversion.
1713 * modulo-sched.c (create_partial_schedule,
1714 free_partial_schedule, reset_partial_schedule): Make them
1717 * hooks.c (hook_bool_rtx_int_false): Remove.
1718 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1720 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1722 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1723 and -mlong-double-128 are incompatible.
1724 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1725 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1726 (TARGET_LIBGCC2_CFLAGS): Define.
1727 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1728 (TARGET_LIBGCC2_CFLAGS): Same.
1729 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1731 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1734 * c-typeck.c (build_binary_op): Perform implicit casts of
1735 operands before shortening them.
1737 * cfgloopmanip.c (split_loop_bb): Remove.
1738 * cfgloop.h: Remove the prototype for split_loop_bb.
1740 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1741 * cfgloop.h: Remove the prototype for
1742 flow_loop_outside_edge_p.
1744 * emit-rtl.c (init_virtual_regs): Make it static.
1745 * function.h: Remove the prototype for init_virtual_regs.
1747 * recog.c (peephole2_optimize): Make it static.
1748 * recog.h: Remove the prototype for peephole2_optimize.
1750 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1752 * df-scan.c (df_record_entry_block_defs): Check if
1753 INCOMING_RETURN_ADDR_RTX is defined.
1755 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1756 Kenneth Zadeck <zadeck@naturalbridge.com>
1758 PR rtl-optimization/24762
1759 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1760 * targhooks.c (hook_void_bitmap): New hook prototype.
1761 * targhoohs.h (hook_void_bitmap): Ditto.
1762 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1763 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1764 * target.h (live_on_entry): New function pointer.
1765 * df-scan.c (df_all_hard_regs): Removed.
1766 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1767 (df_scan_free_internal): Added df->entry_block_defs.
1768 (df_scan_alloc): Ditto.
1769 (df_scan_dump): Ditto.
1770 (df_uses_record): Plumbed flag field properly thru calls.
1771 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1772 This part fixes PR24762.
1773 (df_bb_refs_record): Added code to make the frame and arg
1774 pointers live in EH blocks.
1775 (df_refs_record): Added call to df_record_entry_block_defs.
1776 (df_record_entry_block_defs): New function.
1777 * df-core.c: Added comments to describe new artifical defs.
1778 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1779 (entry_block_defs): New field in struct df.
1780 (df_all_hard_regs): Deleted.
1781 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1782 * df-problems.c (df_ru_bb_local_compute_process_def):
1783 Added code to handle artifical defs in the entry to a function.
1784 (df_ru_bb_local_compute): Ditto.
1785 (df_rd_bb_local_compute_process_def): Ditto.
1786 (df_rd_bb_local_compute): Ditto.
1787 (df_lr_bb_local_compute): Ditto.
1788 (df_ur_bb_local_compute): Ditto.
1789 (df_urec_bb_local_compute): Ditto.
1790 (df_chain_create_bb): Ditto.
1791 (df_ur_local_finalize): Removed entry.
1792 (df_urec_init): Ditto.
1793 (df_urec_local_finalize): Ditto.
1794 (df_ri_bb_compute): Added detection of last use of pseudos.
1795 * Makefile.in (df-scan.o): Updated dependencies.
1796 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1797 * config/mips/mips.c (mips_set_live_on_entry): Added.
1798 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1800 * dce.c (marked_insn_p): Added code to handle artifical defs.
1802 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1804 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1806 (_mm_cvtsi128_si64): Likewise.
1807 (_mm_cvtsd_si64): Likewise.
1808 (_mm_cvttsd_si64): Likewise.
1809 (_mm_cvtsi64_sd): Likewise.
1810 (_mm_cvtsi64_si128): Likewise.
1811 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1812 (_mm_cvtsi64_m64): Likewise.
1813 (_m_to_int64): Likewise.
1814 (_mm_cvtm64_si64): Likewise.
1815 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1816 (_mm_cvttss_si64): Likewise.
1817 (_mm_cvtsi64_ss): Likewise.
1818 (_mm_cvtss_f32): Likewise.
1820 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1822 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1823 for pragma redefine_extname.
1825 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1828 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1829 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1830 -mno-minimal-toc to previous content.
1831 (bispecs): Remove goal.
1832 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1833 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1834 compatibility aliases on powerpc-*-*gnu*.
1835 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1836 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1837 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1838 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1839 (ldblspecs): New goal.
1840 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1841 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1843 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1844 L_sf_to_tf or L_df_to_tf is defined.
1846 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1847 Alan Modra <amodra@bigpond.net.au>
1850 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1851 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1852 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1853 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1854 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1855 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1856 (rs6000_override_options): Initialize rs6000_ieeequad.
1857 Initialize TFmode format to ibm_extended_format if not
1859 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1861 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1862 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1863 (function_arg_advance): IBM long double passed in two FPRs, not
1865 (function_arg): IBM long double passed in FPRs.
1866 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1867 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1868 Only multireg GPR aligned.
1869 (rs6000_init_libfuncs): Enable IBM long double functions if not
1871 (rs6000_generate_compare): Use IBM long double compare if not
1873 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1874 (TARGET_IEEEQUAD): Define.
1875 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1876 not TARGET_IEEEQUAD.
1877 * config/rs6000/rs6000.md: Enable TFmode patterns if
1879 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1880 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1881 and -mlong-double-128 are incompatible.
1882 * doc/invoke.texi (-mabi): Collect options together. Add
1883 ibmlongdouble and ieeelongdouble.
1885 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1887 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1889 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1890 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1891 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1892 * rtl.h (rtunion_def): Remove rt_ptr.
1894 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1895 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1896 * config/i386/winnt.c (i386_pe_mark_dllexport)
1897 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1899 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1901 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1903 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1907 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1908 pthread_key_delete. From John David Anglin. gthrw-ify
1909 pthread_getunique_np only if it it's not a macro. Delete
1911 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1912 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1913 __gthread_objc_condition_signal, __gthread_key_delete): Add
1914 "__attribute__ ((__unused__))" to unused arguments.
1915 (__gthread_recursive_mutex_init_function): Add missing return.
1916 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1917 gthr-posix95.h: Use macro-based approach for name redirection
1918 on targets missing weakref.
1920 2006-01-26 Zack Weinberg <zackw@panix.com>
1922 * genconditions.c (write_header): In generated code, #ifdef out
1923 all includes and fake declarations, except includes of bconfig.h
1924 and system.h, unless GCC_VERSION >= 3001. Do not include
1925 gensupport.h in any case.
1926 (write_conditions): Generate a definition of struct c_test. Add
1927 a comment to the generated #endif.
1928 (write_one_condition): Escape backslashes in string too.
1929 (write_writer): Generated code must escape backslashes and quote
1930 marks (but not newlines) in the strings it writes.
1931 * Makefile.in (build/gencondmd.o): Update dependencies.
1933 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1936 * Makefile.in (insn-automata.o): Add header file dependencies.
1937 * genautomata.c: Add includes.
1939 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1942 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1944 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1946 * configure.ac: Expect target tools paths to be passed from the toplevel
1947 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1949 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1951 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1954 * c.opt (Wpointer-sign): Init to -1.
1955 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1956 OPT_pedantic, to 0 otherwise.
1957 * doc/invoke.texi: Update.
1959 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1961 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1962 constants provided by 80387 instructions in the destination mode.
1964 2006-01-26 Richard Guenther <rguenther@suse.de>
1965 Andrew Pinski <pinskia@physics.uc.edu>
1968 partial PR tree-opt/17064
1969 * tree-ssa-structalias.c (intra_create_variable_infos):
1970 Create heap variables for incoming parameters if
1971 flag_argument_noalias > 1.
1972 (find_what_p_points_to): Look through default defs of
1975 2006-01-26 Jeff Law <law@redhat.com>
1978 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1979 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1980 within the VR_RANGE, use the VR_RANGE as the result, not the
1982 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1983 bounds for the type.
1985 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1987 * tree-ssa-alias.c (maybe_create_global_var): Change
1988 subvar walking to an assertion that we don't have subvar'd variables.
1990 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1993 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1994 Use a new variable, inner. PARM_DECLs are always non-weak.
1996 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1998 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2001 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2003 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2005 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2007 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2008 (smax_insn, smin_insn, smax_0, smin_0): New.
2010 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2013 * config/cris/cris.c (cris_order_for_addsi3): New function.
2014 * config/cris/cris-protos.h: Prototype it.
2015 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2016 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2017 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2018 (split for "op.S1 [rx=rx+i],ry (swapped)")
2019 (split for "op(s|u).S1 [rx=rx+i],ry")
2020 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2021 Apply cris_order_for_addsi3 when generating addsi3 insns.
2023 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2025 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2026 (TREE_BLOCK): Add call to EXPR_CHECK.
2028 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2031 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2032 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2033 (dump_omp_clauses): ... here.
2034 (dump_generic_node): Handle OMP_CLAUSE.
2035 * tree.c (omp_clause_num_ops): New.
2036 (omp_clause_code_name): New.
2037 (tree_code_size): Handle OMP_CLAUSE.
2038 (tree_size): Likewise.
2039 (make_node): Document handling of OMP_CLAUSE.
2040 (tree_node_structure): Handle OMP_CLAUSE.
2041 (omp_clause_check_failed): New.
2042 (omp_clause_range_check_failed): New.
2043 (omp_clause_operand_check_failed): New.
2044 (build_omp_clause): New.
2045 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2046 * tree.h (enum omp_clause_code): Declare.
2047 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2048 (OMP_CLAUSE_RANGE_CHECK): Define.
2049 (OMP_CLAUSE_ELT_CHECK): Define.
2050 (omp_clause_check_failed): Declare.
2051 (omp_clause_operand_check_failed): Declare.
2052 (omp_clause_range_check_failed): Declare.
2053 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2054 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2055 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2056 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2057 (OMP_CLAUSE_IF_EXPR): Likewise.
2058 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2059 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2060 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2061 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2062 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2063 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2064 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2065 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2066 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2067 (OMP_CLAUSE_CODE): Define.
2068 (OMP_CLAUSE_SET_CODE): Define.
2069 (OMP_CLAUSE_CODE): Define.
2070 (OMP_CLAUSE_OPERAND): Define.
2071 (struct tree_omp_clause): Declare.
2072 (union tree_node): Add field 'omp_clause'.
2073 * treestruct.def (TS_OMP_CLAUSE): Define.
2074 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2075 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2076 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2077 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2078 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2079 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2080 (OMP_CLAUSE): Define.
2081 * print-tree.c (print_node): Handle OMP_CLAUSE.
2082 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2083 * c-typeck.c: Likewise.
2084 * gimplify.c: Likewise.
2085 * c-omp.c: Likewise.
2086 * tree-nested.c: Likewise.
2087 * tree-inline.c: Likewise.
2088 * c-parser.c: Likewise.
2089 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2092 2006-01-25 Roger Sayle <roger@eyesopen.com>
2094 PR rtl-optimization/25703
2095 * combine.c (try_combine): Handle zero_extract and strict_low_part
2096 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2098 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2100 * global.c: Fix comment typos.
2102 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2105 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2106 Use output_addr_const instead of assemble_name.
2108 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2110 * Makefile.in (sched-vis.o): Update dependencies.
2111 * haifa-sched.c (sched_finish): Clear current_sched_info.
2112 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2113 (dump_flow_info): Call it.
2114 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2116 * basic-block.h (dump_bb_info): Declare.
2117 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2118 option, and apply options only for dump files whose TDF_RTL,
2119 TDF_TREE, or TDF_IPA bits match.
2120 * rtl.h: Declare new functions exported from sched-vis.c.
2121 * sched-vis.c: Enable also if scheduling is not used.
2122 (print_value): Print the mode of registers if not inside scheduling.
2123 (print_insn): Make it work outside the scheduler. Beautify the output
2125 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2127 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2129 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2130 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2131 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2132 depending on the value of CONSTANT_POOL_ADDRESS_P.
2133 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2135 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2136 rather than SYMBOL_REF_DECL.
2137 (rtx_constant_pool): Remove const_rtx_sym_htab.
2138 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2139 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2140 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2141 Remove handling of const_rtx_sym_htab.
2142 (find_pool_constant): Delete.
2143 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2144 rather than find_pool_constant.
2145 (get_pool_constant_for_function): Delete.
2146 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2148 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2149 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2150 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2151 (SYMBOL_REF_CONSTANT): New macro.
2152 (get_pool_constant_for_function): Delete.
2153 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2154 rather than SYMBOL_REF_DECL.
2155 (i386_pe_mark_dllimport): Likewise.
2156 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2157 rather than SYMBOL_REF_DECL.
2158 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2159 (machopic_indirect_call_target): Likewise.
2161 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2163 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2165 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2167 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2169 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2171 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2173 2006-01-24 David Daney <ddaney@avtrex.com>
2176 * configure.ac (enable_tls): New enable option.
2177 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2178 * configure: Regenerate.
2179 * doc/install.texi (--enable-tls): Document new option.
2180 (--disable-tls): Ditto.
2182 2006-01-24 Richard Henderson <rth@redehat.com>
2184 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2185 * alias.c (true_dependence): Respect it.
2186 (canon_true_dependence, write_dependence_p): Likewise.
2187 * builtins.c (get_builtin_sync_mem): Set it.
2189 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2191 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2194 2006-01-24 DJ Delorie <dj@redhat.com>
2196 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2197 for storing constants in single-bit bitfields.
2199 2006-01-25 Ben Elliston <bje@au.ibm.com>
2201 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2203 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2206 * tree-ssa-pre.c (phi_translate): Return NULL
2207 for AGGREGATE_TYPE's.
2209 2006-01-24 Zack Weinberg <zackw@panix.com>
2211 * genautomata.c (process_state_for_insn_equiv_partition):
2212 Use xcalloc for insn_arcs_array.
2213 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2214 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2216 2006-01-24 Richard Henderson <rth@redhat.com>
2218 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2221 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2223 PR rtl-optimization/25890
2224 PR rtl-optimization/25905
2225 * combine.c (expand_compound_operation, expand_field_assignment):
2226 Fail if the bitfield's final position is out of bounds.
2228 2006-01-24 Ian Lance Taylor <ian@airs.com>
2231 * cgraphunit.c (cgraph_output_in_order): Don't clear
2232 cgraph_asm_nodes until after asm strings have been output.
2234 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2236 * fix-header.c (read_scan_file): Add new parameter imultilib when
2237 calling register_include_chains.
2239 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2241 * omp-low.c: Update documentation.
2243 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2244 Daniel Berlin <dberlin@dberlin.org>
2248 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2249 return from the function.
2251 2006-01-22 Zack Weinberg <zackw@panix.com>
2253 * rtl.def (match_code): Add second argument.
2254 * genpreds.c (write_extract_subexp): New function.
2255 (write_match_code): Add path argument. Use write_extract_subexp.
2256 (write_predicate_expr): Pass path to write_match_code.
2257 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2258 not perform a mode test.
2259 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2260 a subexpression does not constrain the top-level code set.
2261 * read-rtl.c (read_rtx_variadic): New function.
2262 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2263 * doc/md.texi: Document new notation.
2264 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2265 (cmpsi_operand): ... here, using new notation.
2267 2006-01-22 Zack Weinberg <zackw@panix.com>
2269 * varray.c: Remove GENERATOR_FILE #ifdefs.
2271 2006-01-22 Zack Weinberg <zackw@panix.com>
2273 * genautomata.c (output_reserved_units_table): Emit nothing if
2274 description->query_units_num is zero. Remove extra blank line.
2275 (output_cpu_unit_reservation_p): Short circuit
2276 if description->query_units_num is zero.
2278 2006-01-22 Zack Weinberg <zackw@panix.com>
2280 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2281 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2282 nor any of the random handful of variables that used to be necessary
2283 when this program was linked with rtlanal.o. Prune set of forward
2284 function declarations.
2285 (struct attr_desc): Remove static_p field.
2286 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2287 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2288 (attr_string): Do not read the character one past the length of
2290 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2291 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2292 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2293 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2294 (make_automaton_attrs): New.
2295 (main): Do not call into genautomata. Call local gen_bypass
2296 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2297 Remove special case for insn_alts.
2298 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2299 varray.h (leftover from previous change). Prune set of forward
2300 function declarations. Remove state_alts fields from all
2301 structures. Remove state_alts_table from struct automaton.
2302 Make everything except main static. Do not maintain num_dfa_decls.
2303 Do not maintain state_alts fields of various structures.
2304 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2305 (add_arc): Remove state_alts argument. All callers updated.
2306 (output_reserved_units_table): Emit #ifdef here...
2307 (output_tables): ...not here. Don't generate state_alts tables.
2308 (expand_automata): Don't generate attributes.
2309 (write_automata): Don't generate state_alts functions.
2310 (main): New function.
2311 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2312 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2313 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2314 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2315 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2316 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2317 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2318 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2320 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2321 * genattrtab.h: Delete file.
2322 * Makefile.in (OBJS-common): Add insn-automata.o.
2323 (insn-automata.o): New rule.
2324 (simple_generated_c): Add insn-automata.c.
2325 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2326 (genprogmd): Add automata.
2327 (build/genattrtab): Needs no extra objects nor libraries.
2328 (build/genautomata): Needs build/vec.o and -lm.
2330 2006-01-22 Zack Weinberg <zackw@panix.com>
2332 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2333 (output_dfa_max_issue_rate, locked_states_num): Delete.
2334 (struct automaton): Add locked_states field.
2335 (output_dead_lock_vect): Save number of locked states in
2336 automaton->locked_states. If it is zero, don't print anything.
2337 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2338 (output_internal_dead_lock_func): Only test the dead_lock_vect
2339 for automata that have locked states.
2340 (output_statistics): Always print the number of locked states for
2341 each automaton. Calculate total number of locked states here.
2342 (write_automata): Don't call output_dfa_max_issue_rate.
2343 * genattrtab.c: Define length_unit_log as a const variable.
2344 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2345 max_insn_queue_index const.
2346 * final.c (length_unit_log): Declare const.
2347 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2349 2006-01-22 Zack Weinberg <zackw@panix.com>
2351 * genautomata.c: Include vec.h, not varray.h.
2352 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2353 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2354 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2355 VEC_* macros operating on appropriately typed vectors, or to
2356 malloced arrays when the size is known in advance. Const-ify
2357 many char* variables and function arguments. No functional changes.
2358 * Makefile.in (build/varray.o): Delete rule.
2359 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2360 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2362 2006-01-22 Zack Weinberg <zackw@panix.com>
2364 * gensupport.c: Define get_insn_name and record_insn_name here.
2365 (read_md_rtx): Call record_insn_name as appropriate.
2366 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2367 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2368 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2370 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2371 (BUILD_VARRAY): Delete.
2372 (genprognormal): Rename genprogmd. Fold in all programs from
2373 genprognoprint; also attrtab.
2374 (build/genattrtab): Just mention genautomata.o and varray.o.
2375 Reorganize a bit, add comments to make the categories clearer.
2377 2006-01-22 Zack Weinberg <zackw@panix.com>
2379 * genconditions.c (condition_table, add_condition): Delete.
2380 (write_conditions): Don't emit n_insn_conditions nor
2381 insn_elision_unavailable. Issue the gcc version #ifdef here,
2382 inside the table, with no #else clause ...
2383 (write_header): ...not here.
2384 (write_writer): New function.
2385 (main): Don't initialize condition_table. Use add_c_test.
2387 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2388 files on the command line.
2389 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2390 Return -1 if there is no entry in the table, don't abort.
2391 (add_c_test, traverse_c_tests): New functions.
2392 * gensupport.h (insn_elision_unavailable, insn_conditions)
2393 (n_insn_conditions): Delete declarations.
2394 (add_c_test, traverse_c_tests): Declare.
2395 * read-rtl.c: Include gensupport.h.
2396 (read_conditions): New function.
2397 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2398 (read_rtx_1): If we get EOF when we were looking for an initial
2399 open paren, return 0. Call read_conditions when appropriate.
2400 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2401 dummy-conditions.o. Eliminate references to insn-conditions.o,
2402 or change them to build/gencondmd.o, as appropriate. Remove
2403 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2404 from $(simple_generated_c). For all files remaining in those
2405 two lists, add insn-conditions.md to the generator command line.
2406 Give insn-constants.h/s-constants their own rules. Add rules
2407 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2408 (build/read-rtl.o): Depend on gensupport.h.
2409 (genprognormal): Include preds.
2410 (genprogearly): Rename genprognoprint; only difference is now that
2411 they don't link with $(BUILD_PRINT).
2412 * dummy-conditions.c: Delete.
2414 2006-01-22 Zack Weinberg <zackw@panix.com>
2416 * genextract.c: Don't include insn-config.h. Do include vec.h.
2417 Declare vectors of int, char, and locstr.
2418 (locstr): New typedef.
2419 (struct extraction): Make all array fields into bare pointers.
2420 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2421 (insn_code_number): Delete.
2422 (accum_extract): New struct.
2423 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2424 (gen_insn): Take insn_code_number as an argument. Use an
2425 accum_extract structure instead of loading data directly into
2426 a struct extraction, and having to know how big it might get.
2427 (walk_rtx): Operate entirely on an accum_extract structure.
2428 (print_path): Avoid unnecessary use of printf.
2429 (print_header): New function, split out of main. Distinguish
2430 more carefully between an unrecognizable insn and an insn that
2431 has the code number of a define_expand.
2432 (main): Pass insn_code_number to gen_insn. Call print_header
2433 only after parsing. Avoid unnecessary use of printf.
2434 * Makefile.in (build/vec.o): New rule.
2435 (build/genextract): Depend on build/vec.o.
2436 (build/genextract.o): Don't depend on insn-config.h.
2438 2006-01-22 Zack Weinberg <zackw@panix.com>
2440 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2441 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2442 practical. Eliminate per-generator-program link rules.
2444 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2447 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2448 with a call expr to ...
2449 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2451 2006-01-23 Richard Guenther <rguenther@suse.de>
2453 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2454 before make_edge with conditional EDGE_TRUE_VALUE.
2456 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2457 Jan Hubicka <jh@suse.cz>
2458 Richard Guenther <rguenther@suse.de>
2460 PR rtl-optimization/25654
2461 * cfgexpand.c (aggregate_contains_union_type): New function.
2462 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2463 for structure variables that contain a union type.
2465 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2467 * gengtype.c (new_structure): Return the structure.
2468 (create_option): Add an extra "next" argument.
2469 (create_field): New function.
2470 (adjust_field_rtx_def): Use create_option and create_field.
2471 Remove a now-unnecessary call to find_structure.
2472 (adjust_field_tree_def): Likewise.
2473 (note_yacc_type): Remove an unnecessary call to find_structure.
2474 * gengtype.h (new_structure): Return the structure.
2475 (create_option): Add an extra argument.
2476 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2477 (option): Adjust calls to create_option.
2479 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2481 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2483 2006-01-22 Paul Brook <paul@codesourcery.com>
2484 Peter Barada <peter@the-baradas.com>
2486 * config/m68k/m68k.md: Add Coldfire FPU support.
2487 Define FP mode macro and associated attributes.
2488 Use it for float mode patterns.
2489 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2490 (LIBCALL_VALUE): Use m68k_libcall_value.
2491 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2492 (m68k_function_value): Ditto.
2493 (emit_move_sequence): Ditto.
2494 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2495 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2496 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2497 (MULTILIB_EXCEPTIONS): Ditto.
2498 * config/m68k/m68k.opt: Add mcfv4e.
2499 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2500 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2501 (m68k_output_function_prologue): Save ColdFire FPU registers.
2502 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2503 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2504 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2505 ColdFire FPU registers.
2506 (m68k_libcall_value, m68k_function_value): New functions.
2507 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2508 (LIBCALL_VALUE): Use m68k_libcall_value.
2509 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2510 (MASK_COLDFIRE): Add MASK_CFV4E.
2511 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2512 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2513 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2514 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2515 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2516 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2517 * doc/invoke.tex: Document -mcfv4e on m68k.
2519 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2521 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2524 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2527 * c-opts.c (c_common_handle_option): Don't include
2528 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2529 * doc/invoke.texi (C++ Dialect Options): Document that
2530 -Wnon-virtual-dtor is no longer included in -Wall.
2532 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2534 * gcov.c (print_version), gcov-dump.c (print_version),
2535 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2538 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2540 * df-scan.c (problem_SCAN): Added NULL reset function.
2541 (df_scan_reset_blocks): Added code to call reset block function
2542 (df_bb_refs_delete) Fixed comment.
2543 (df_insn_refs_delete): Made tolerant of deleting non existent info
2544 for dataflow problems that need to be reset.
2545 * df-core.c (df_set_blocks): Ditto.
2546 * df.h (struct df_problem): Added reset_fun.
2547 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2548 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2549 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2550 functions to clear out all references to def-use or use-def chains.
2552 2006-01-21 Ben Elliston <bje@au.ibm.com>
2554 * varasm.c (assemble_real): Initialise data array.
2556 2006-01-20 Paul Brook <paul@codesourcery.com>
2558 Merge from csl-arm-branch.
2559 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2560 * config/arm/arm.md (movdi): Force operands[1] to a register
2561 if we have a non-register source.
2562 (*arm_movdi, *movdf_soft_insn): Require that one of the
2563 operands be a register.
2564 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2565 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2567 2006-01-20 DJ Delorie <dj@redhat.com>
2569 * varasm.c (initialize_constant_valid_p): Allow pointers
2570 initialized from integer constants of lesser precision.
2571 (output_constant): Allow non-int-sized pointer modes to be
2572 initialized from integer constants.
2574 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2577 * cppdefault.h (struct default_include): Add multilib flag.
2578 * cppdefault.c (cpp_include_defaults): Set it.
2579 * c.opt (-imultilib): New option.
2580 * c-opts.c (imultilib): New.
2581 (c_common_handle_option): Handle -imultilib.
2582 (c_common_post_options): Likewise.
2583 * c-incpath.c (add_standard_paths, register_include_chains):
2585 * c-incpath.h (register_include_chains): Add extra parameter.
2586 * gcc.c (do_spec_1): Generate -imultilib option.
2587 (The Specs Language): Update %I description.
2588 (process_command): Update copyright notice.
2589 * doc/cppopts.texi (-imultilib): Document.
2590 * doc/invoke.texi (-imultilib): Include in option summary.
2591 (%I): Update specs documentation.
2593 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2595 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2597 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2599 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2602 2006-01-20 Richard Guenther <rguenther@suse.de>
2603 Steven Bosscher <stevenb.gcc@gmail.com>
2605 PR rtl-optimization/24626
2606 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2607 EDGE_TRUE_VALUE if in RTL mode.
2610 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2611 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2613 2006-01-20 Dirk Mueller <dmueller@suse.com>
2616 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2617 instead of a special NOP marker.
2618 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2619 NOP marker handling.
2620 * c-common.h (empty_body_warning): Add forward declaration.
2621 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2622 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2624 2006-01-20 Paul Brook <paul@codesourcery.com>
2626 * Makefile.in (lang_checks): Keep going if mkdir fails.
2628 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2630 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2631 be able to clean out basic block when not necessary.
2632 (df_scan_free): Fixed to properly delete information if df is
2633 unused before calling df_finish.
2634 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2635 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2637 (df_bb_refs_delete): New function.
2638 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2639 * df-core.c (df_set_blocks): Added code to properly clean out
2640 unused blocks if they are not part of the blocks to consider.
2641 Added additional null check.
2642 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2643 be able to clean out basic block when not necessary
2644 * df.h (df_free_bb_function): Ditto.
2645 (df_bb_refs_delete): New function.
2646 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2647 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2648 basic block parameter to be able to clean out basic block when not
2650 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2651 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2652 Fixed to properly delete information if df is unused before
2655 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2657 PR rtl-optimization/25799
2658 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2659 Corrected confluence operator to remove bits from op2 before oring
2660 with op1 rather than removing bits from op1.
2661 (df_ru_transfer_function): Corrected test on wrong bitmap which
2662 caused infinite loop. Both of these problems were introduced in
2663 the dataflow rewrite.
2665 2006-01-19 DJ Delorie <dj@redhat.com>
2667 * reload1.c (find_reload_regs): Note the details of reload
2668 failures in the dump file.
2669 (spill_failure): Likewise.
2671 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2673 * loop-iv.c: Include df.h and hashtab.h.
2674 (enum iv_grd_result): New enum.
2675 (DF_REF_IV, DF_REF_IV_SET): New macros.
2676 (struct biv_entry): New.
2677 (df, bivs): New global variables.
2678 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2679 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2681 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2682 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2683 analyzed_for_bivness_p, record_biv): New functions.
2684 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2685 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2686 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2688 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2690 (iv_number_of_iterations): Use new interface to iv analysis.
2691 * loop-unroll.c: Do not include varray.h.
2692 (analyze_iv_to_split_insn): Use new interface to iv
2694 * loop-unswitch.c (may_unswitch_on): Ditto.
2695 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2697 (df_bb_modify): Realloc tables to the new index.
2698 (df_find_use): New function.
2699 * df.h (df_find_use): Declare.
2700 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2702 * cfgloop.h (struct rtx_iv): Remove analysed field.
2703 (iv_get_reaching_def): Removed.
2704 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2705 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2706 (loop-iv.o): Add df.h and hashtab.h dependency.
2707 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2709 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2712 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2714 (__floatundisf, __floatundidf): Likewise.
2715 * libgcc2.h (IS_IBM_EXTENDED): Define.
2717 2006-01-19 DJ Delorie <dj@redhat.com>
2719 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2721 2006-01-19 Paul Brook <paul@codesourcery.com>
2723 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2724 as nothrow when unwinding tables are disabled.
2726 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2729 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2730 of bit-field" when in system header.
2732 2006-01-19 DJ Delorie <dj@redhat.com>
2734 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2735 the 16 bit shift limit of the m16c.
2737 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2740 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2741 * config/i386/i386.c (output_set_got): Output the label if we have one
2742 for the TARGET_DEEP_BRANCH_PREDICTION case.
2744 2006-01-19 Jan Hubicka <jh@suse.cz>
2745 H.J. Lu <hongjiu.lu@intel.com>
2746 Evandro Menezes <evandro.menezes@amd.com>
2748 * invoke.texi (generic): Document
2750 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2751 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2752 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2753 (x86_use_incdec, x86_pad_returns): New variables
2754 (TARGET_CPU_DEFAULT_generic): New constant
2755 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2756 (enum processor_type): Add generic32 and generic64.
2757 * i386.md (cpu attribute): Add generic32/generic64
2758 (movhi splitter): Behave sanely when both partial_reg_dependency and
2759 partial_reg_stall are set.
2760 (K8 splitters): Enable for generic as well.
2761 * predicates.md (incdec_operand): Use TARGET_INCDEC
2762 (aligned_operand): Avoid memory mismatch stalls.
2763 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2764 * ppro.md: Enable for generic32
2765 * i386.c (generic64_cost, generic32_cost): New.
2766 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2767 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2768 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2769 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2770 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2771 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2772 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2773 x86_accumulate_outgoing_args, x86_prologue_using_move,
2774 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2775 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2777 (x86_use_incdec, x86_pad_returns): New.
2778 (override_options): Add generic32 and generic64, translate "generic"
2779 to generic32/generic64 and "i686" to "generic32", refuse
2780 "generic32"/"generic64" as arch target.
2781 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2782 (ix86_reorg): Honor PAD_RETURNS.
2784 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2786 * tree-pretty-print.c (dump_generic_node): Handle
2787 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2788 * cgraph.c (cgraph_expand_queue): Rename from
2789 cgraph_analyze_queue. Update all users.
2790 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2791 cgraph_expand_queue.
2792 (cgraph_expand_all_functions): Likewise.
2793 (cgraph_finalize_pending_functions): Remove. Update callers.
2795 * tree.h (OMP_DIRECTIVE_P): Define.
2796 (OMP_PARALLEL_FN): Define.
2797 (OMP_PARALLEL_DATA_ARG): Define.
2798 (OMP_SECTIONS_SECTIONS): Define.
2799 * tree-pass.h (pass_expand_omp): Declare.
2800 * omp-low.c (struct omp_region): Declare.
2801 (struct omp_context): Remove fields 'parallel_type',
2802 'parallel_start_ix' and 'parallel_start_additional_args'.
2804 (struct omp_for_data): Rename from struct expand_omp_for_data.
2805 (omp_regions): New static variable.
2806 (root_omp_region): New static variable.
2807 (find_omp_clause): Make static.
2808 (is_in_combined_parallel_ctx): Remove.
2809 (is_combined_parallel): New.
2810 (extract_omp_for_data): Move earlier in the file.
2811 (workshare_safe_to_combine_p): New.
2812 (get_ws_args_for): New.
2813 (determine_parallel_type): Move earlier in the file.
2814 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2816 (omp_copy_decl): Likewise.
2817 (create_omp_child_function): Likewise.
2818 (lookup_omp_region): New.
2819 (dump_omp_region): New.
2820 (debug_omp_region): New.
2821 (debug_all_omp_regions): New.
2822 (new_omp_region): New.
2823 (scan_omp_parallel): If parallel_nesting_level > 1, the
2824 directive is nested within another parallel directive.
2825 Set OMP_PARALLEL_FN.
2826 (scan_omp_for): Do not try to handle combined parallel+for
2828 Remove FIXME comment.
2829 (scan_omp_nested): Remove.
2830 (scan_omp_1): Do not call scan_omp_nested when
2831 parallel_nesting_level is > 1.
2832 Do not change the DECL_CONTEXT of local variables found.
2833 (lookup_decl_in_outer_ctx): New.
2834 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2835 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2836 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2837 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2838 If CTX is nested, lookup VAR in the outer context when
2839 building copy assignment.
2840 (lower_send_clauses): Rename from expand_send_clauses.
2841 If CTX is nested, lookup VAR in the outer context when
2842 building copy assignments.
2843 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2844 If CTX is nested, lookup VAR in the outer context when
2845 building copy assignments.
2846 (expand_parallel_call): Rename from build_parallel_call.
2847 Handle combined parallel+workshare cases.
2848 Re-implement to emit code into the CFG.
2850 (expand_omp_parallel): Re-implement to emit code into the CFG.
2851 Call move_sese_region_to_fn to outline the sub-graph
2852 containing the parallel region.
2853 (expand_omp_for_1): Remove.
2854 (expand_omp_for_generic): Re-implement to emit code into the
2856 (expand_omp_for_static_nochunk): Likewise.
2857 (expand_omp_for_static_chunk): Likewise.
2858 (expand_omp_for): Likewise.
2859 (expand_omp_sections): Likewise.
2860 (remove_exit_barriers): New.
2861 (expand_omp_synch): New.
2863 (build_omp_regions_1): New.
2864 (build_omp_regions): New.
2865 (execute_expand_omp): New.
2866 (gate_expand_omp): New.
2867 (pass_expand_omp): Define.
2868 (lower_omp_sections): Rename from expand_omp_sections.
2869 Set OMP_SECTIONS_SECTIONS.
2870 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2871 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2872 (lower_omp_single): Rename from expand_omp_simple.
2873 (lower_omp_master): Rename from expand_omp_master.
2874 (lower_omp_ordered): Rename from expand_omp_ordered.
2875 (lower_omp_critical): Rename from expand_omp_critical.
2876 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2877 (lower_omp_for): Re-implement.
2878 (lower_omp_parallel): Re-implement.
2879 (lower_regimplify): Rename from expand_regimplify.
2880 (lower_omp_1): Rename from expand_omp_1.
2881 If there are syntax errors in the program, replace every
2882 OpenMP directive with NOP.
2883 Call lower_omp_* instead of expand_omp_*.
2884 (lower_omp): Rename from expand_omp.
2886 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2887 * tree-gimple.h (enum omp_parallel_type): Remove.
2888 (gimple_boolify): Declare extern.
2889 (find_omp_clause, determine_parallel_type): Remove.
2891 * gimple-low.c (lower_omp_directive): New.
2892 (lower_stmt): Call it.
2893 (record_vars_into): Move from ...
2894 (record_vars): ... here.
2895 Call record_vars_into with current_function_decl.
2897 * gimplify.c (struct gimplify_ctx): Remove fields
2898 combined_pre_p and combined_ctxp. Update users.
2899 (get_formal_tmp_var): Add documentation.
2900 (gimple_boolify): Make extern.
2901 (gimplify_expr_in_ctx): Remove. Update callers.
2902 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2903 will always be a BIND_EXPR.
2904 (gimplify_expr): Handle OMP_RETURN_EXPR.
2905 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2906 (OMP_PARALLEL): Add 3 operands.
2907 (OMP_SECTIONS): Add 1 operand.
2908 (OMP_RETURN_EXPR): Define.
2910 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2911 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2912 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2913 creating a circular free list.
2914 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2916 * tree-flow.h (move_sese_region_to_fn): Declare.
2917 (record_vars_into): Declare.
2918 * tree-cfg.c (make_omp_sections_edges): New.
2919 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2920 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2921 OMP_SECTIONS and OMP_SECTION.
2922 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2923 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2924 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2925 (gather_blocks_in_sese_region): New.
2926 (struct move_stmt_d): Declare.
2928 (move_block_to_fn): New.
2929 (move_sese_region_to_fn): New.
2931 * passes.c (init_optimization_passes): Schedule
2932 pass_expand_omp after pass_init_datastructures.
2934 * tree-ssa-operands.c (get_expr_operands): Handle
2935 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2936 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2938 2006-01-19 Jeff Law <law@redhat.com>
2940 * tree-vrp.c (extract_range_from_assert): Refine the result range
2941 if the variable referenced by the ASSERT_EXPR has a range and
2942 either the tentative result range or the previous range is a
2945 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2947 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2949 2006-01-19 Jan Hubicka <jh@suse.cz>
2951 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2953 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2955 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2956 (expand_compound_operation, expand_field_assignment): Fail if the
2957 bit lengths of an extract operation are out of range.
2958 (make_extraction): Compute wanted_inner_mode based on the position
2959 and length of the extraction. Make it extraction_mode for non-constant
2960 positions, and do not modify offset in that case. When generating a
2961 new MEM, use a mode that can hold the extraction while keeping correct
2962 alignment. Remove code that supported MEMs wrapped by USEs.
2963 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2965 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2967 * config/s390/s390.md ("Y", "y"): New mode attribute.
2968 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2969 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2970 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2971 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2972 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2973 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2974 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2975 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2976 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2977 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2978 "addsi3", "subsi3"): Insn patterns removed.
2979 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2980 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2981 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2982 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2983 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2984 "*sub<mode>3_cconly2"): New insn patterns.
2985 ("addsi3", "subsi3"): New expanders.
2987 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2989 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2990 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2991 existing STMT_VINFO_VECTYPE if available.
2992 (vect_mark_relevant): Add special handling for stmts that are
2993 marked as STMT_VINFO_IN_PATTERN_P.
2994 (vect_analyze_loop): Call vect_pattern_recog.
2995 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2996 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2998 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2999 (vect_recog_func_ptr): New function-pointer type.
3000 * tree-vect-patterns.c: New file.
3001 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3002 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3003 (vect_pattern_recog_1): New functions.
3004 (vect_pattern_recog_funcs): New array of function pointers.
3006 * tree-vectorizer.h (ternary_op): New enum value.
3007 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3008 declaration. Revised documentation. Removed redundant dump prints.
3009 Removed redundant argument. Added support for reduction patterns.
3010 (vectorizable_reduction): Added support for reduction patterns.
3011 (vect_transform_stmt): Added support for patterns.
3013 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3014 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3015 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3016 (expand_widen_pattern_expr): New function.
3017 (init_optabs): Initialize new optabs udot_prod_optab,
3019 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3020 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3021 (expand_widen_pattern_expr): New function declaration.
3022 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3024 * tree-inline.c (estimate_num_insns_1): Added cases for new
3025 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3026 * tree-pretty-print.c (dump_generic_node): Likewise.
3027 (op_prio): Likewise.
3028 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3029 * tree-ssa-operands.c (get_expr_operands): Added case for
3031 * tree-vect-patterns.c (widened_name_p): New function.
3032 (vect_recog_dot_prod_pattern): Added function implementation.
3033 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3034 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3035 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3036 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3038 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3039 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3040 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3041 (init_optabs): Initialize new optabs widen_ssum_optab,
3043 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3044 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3045 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3046 use instead of type of def.
3047 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3048 function implementation.
3049 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3050 widen_ssumv8hi): New.
3052 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3055 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3058 * c-decl.c (add_flexible_array_elts_to_size): New function.
3059 (finish_decl): Use it.
3061 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3063 * diagnostic.h: Include options.h.
3064 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3065 dependancies for diagnostic.h.
3066 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3068 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3070 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3071 (ssa_ro_call_cache_valid): Ditto.
3072 * tree-ssa-alias.c (sort_tags_by_id): New function.
3073 (init_transitive_clobber_worklist): Ditto.
3074 (add_to_worklist): Ditto.
3075 (mark_aliases_call_clobbered): Ditto.
3076 (compute_tag_properties): Ditto.
3077 (set_initial_properties): Ditto.
3078 (compute_call_clobbered): Ditto.
3079 (compute_may_aliases): Call compute_call_clobbered and grouping.
3080 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3081 (compute_flow_insensitive_aliasing): Grouping now happens in our
3083 (setup_pointers_and_addressables): Remove clobbering related code.
3084 (add_may_alias): Ditto.
3085 (replace_may_alias): Ditto.
3086 (get_nmt_for): Ditto.
3087 (create_global_var):
3088 (is_escape_site): Return an escape_type enumeration.
3089 * tree-flow-inline.h (is_call_clobbered): Global var does not
3090 imply call clobbered.
3091 (mark_call_clobbered): Take a reason for marking this. Remove
3092 marking of globalness, and cache invalidation.
3093 (clear_call_clobbered): Remove cache invalidation code.
3094 * tree-dfa.c (dump_variable): If details is on, dump the reason
3096 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3098 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3099 (struct var_ann_d): Ditto.
3100 (enum escape_type): New.
3101 (mark_call_clobbered): Adjust prototype.
3102 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3103 are never call clobbered.
3104 Record reasons for escaping.
3105 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3106 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3107 (ssa_ro_call_cache_valid): Ditto.
3108 (clobbered_v_may_defs): Ditto.
3109 (clobbered_vuses): Ditto.
3110 (ro_call_vuses): Ditto.
3111 (clobber_stats): New.
3112 (init_ssa_operands): Zero out clobber stats.
3113 (fini_ssa_operands): Print out clobber stats.
3114 (get_call_expr_operands): Pass callee fndecl to
3116 (add_call_clobber_ops): Remove use of cache.
3117 Add use of PURE_CONST information.
3118 (add_call_read_ops): Remove use of cache.
3119 Add use of static not_read information.
3121 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3123 Introduce TLS descriptors for i386 and x86_64.
3124 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3125 (TARGET_ANY_GNU_TLS): New macro.
3126 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3127 (struct machine_function): Add tls_descriptor_call_expanded_p.
3128 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3129 (ix86_current_function_calls_tls_descriptor): Likewise.
3130 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3131 (override_options): Introduce gnu2 tls dialect.
3132 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3134 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3136 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3137 (ix86_init_machine_status): Initialize new field.
3138 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3139 (ix86_tls_module_base): New.
3140 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3141 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3142 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3143 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3144 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3145 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3146 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3147 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3148 * config/i386/predicates.md (tls_modbase_operand): New.
3149 (tp_or_register_operand): New.
3151 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3153 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3154 (look_for_address_of): Ditto.
3155 (ipa_init): Walk the function decls.
3156 (static_execute): Don't set readonly on FUNCTION_DECL's.
3158 2006-01-18 Roger Sayle <roger@eyesopen.com>
3160 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3161 for shifts where the source and destination registers are different.
3163 2006-01-18 Paul Brook <paul@codesourcery.com>
3165 Merge from csl-arm-branch.
3166 2005-03-14 Julian Brown <julian@codesourcery.com>
3167 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3168 (aeabi_llsl): Likewise.
3169 (ashrdi3): Likewise.
3170 (aeabi_lasr): Likewise.
3171 (lshrdi3): Likewise.
3172 (aeabi_llsr): Likewise.
3173 2005-03-10 Julian Brown <julian@codesourcery.com>
3174 * config.gcc: Disable shared libgcc for SymbianOS.
3175 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3177 2006-01-18 DJ Delorie <dj@redhat.com>
3179 * c-pragma.c (handle_pragma_diagnostic): New.
3180 (init_pragma): Register it.
3181 * doc/extend.texi: Document it.
3183 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3184 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3185 (diagnostic_context): Add classify_diagnostic[].
3186 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3187 as errors if they're overridden to DK_WARNING.
3188 (diagnostic_initialize): Initialize classify_diagnostic[].
3189 (diagnostic_set_kind_override): New.
3190 (diagnostic_report_diagnostic): Check for kind changes.
3191 * opts.c (common_handle_option): Take lang_mask. Update callers.
3193 * common.opt (Werror=): New.
3194 * doc/invoke.texi: Document -Werror=*
3196 2006-01-18 Jeff Law <law@redhat.com>
3198 * tree-vrp.c (test_for_singularity): Correct test for new
3199 min limit. Use operand_equal_p rather than pointer equality
3200 for testing if new min/max values are equal.
3202 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3203 using range information until after propagation and folding.
3205 2006-01-18 Richard Henderson <rth@redhat.com>
3206 Aldy Hernandez <aldyh@redhat.com>
3207 Jakub Jelinek <jakub@redhat.com>
3208 Diego Novillo <dnovillo@redhat.com>
3210 * omp-low.c: New file.
3211 * c-omp.c: New file.
3213 2006-01-18 Richard Henderson <rth@redhat.com>
3214 Jakub Jelinek <jakub@redhat.com>
3215 Diego Novillo <dnovillo@redhat.com>
3217 * doc/invoke.texi: Document -fopenmp.
3218 * tree-dump.h (debug_function): Declare.
3219 * hooks.c (hook_bool_tree_bool_false): New function.
3220 (hook_tree_tree_null): Remove.
3221 (hook_tree_tree_tree_null): New.
3222 * hooks.h: Update to match.
3223 * tree-pretty-print.c (debug_tree_chain): New.
3224 (print_generic_expr): Handle TDF_CHAIN.
3225 (dump_generic_node): Handle BLOCK.
3226 Do not abort with incomplete SWITCH_EXPRs.
3227 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3228 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3229 print space after directive name.
3230 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3231 Handle OMP_MASTER and OMP_ORDERED.
3232 Handle printing of OMP_BODY just in one place, goto
3233 dump_omp_body in the rest of OMP_* nodes that have
3235 Don't handle clause nodes here. Update omp statements to
3236 use dump_omp_clauses.
3237 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3238 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3239 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3240 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3241 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3242 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3243 Adjust output for GOMP_PARALLEL.
3244 (dump_omp_clauses): New.
3245 (print_declaration): Dump DECL_VALUE_EXPR.
3246 (op_symbol_1): Split out of op_symbol.
3247 (dumping_stmts): Remove. Update all users.
3248 * cgraph.c (cgraph_analyze_queue): New.
3249 (cgraph_add_new_function): New.
3250 * cgraph.h (cgraph_analyze_queue): Declare.
3251 (cgraph_add_new_function): Declare.
3252 (cgraph_lower_function): Remove.
3253 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3254 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3255 and TYPE_P nodes in its default clause.
3256 (empty_body_p): New.
3257 (tree_range_check_failed): New.
3259 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3260 OMP_CLAUSE_REDUCTION_MERGE,
3261 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3262 OMP_CLAUSE_PRIVATE_DEBUG,
3263 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3264 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3265 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3266 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3267 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3268 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3269 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3270 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3271 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3272 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3273 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3274 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3275 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3276 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3277 (TREE_RANGE_CHECK): New.
3278 (empty_body_p): Declare.
3279 (enum omp_clause_default_kind): New.
3280 (build_string_literal): Declare.
3281 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3282 (build5_stat, build5): Declare.
3283 * tree-pass.h (TDF_CHAIN): Define.
3284 * tree-pass.h (PROP_gimple_lomp): Define.
3285 (pass_lower_omp): Declare.
3286 * diagnostic.h (debug_tree_chain): Declare.
3287 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3289 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3290 * builtins.c (build_string_literal): Make extern.
3291 * gcc.c (include_spec_function): New.
3292 (static_spec_functions): Add it.
3293 (main): Move load of libgomp.spec ...
3294 (LINK_COMMAND_SPEC): ... here.
3295 (link_gomp_spec): New.
3296 (static_specs): Include it.
3297 (LINK_COMMAND_SPEC): Add link_gomp.
3298 (GOMP_SELF_SPECS): New.
3299 (driver_self_specs): Include it.
3300 (switch_matches): Don't mark inline.
3301 (main): Load libgomp.spec.
3302 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3303 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3304 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3305 * tree-gimple.h (enum omp_parallel): Declare.
3306 (determine_parallel_type): Declare.
3307 (omp_firstprivatize_variable): Declare.
3308 (omp_reduction_init): Declare.
3309 (diagnose_omp_structured_block_errors): Declare.
3310 (struct walk_stmt_info): Add want_return_expr.
3311 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3312 (find_omp_clause): Declare.
3313 (insert_field_into_struct): Declare.
3314 (struct walk_stmt_info): Move from tree-nested.c
3315 (walk_stmts): Declare.
3316 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3318 * cgraphunit.c (cgraph_lower_function): Make static.
3319 (cgraph_finalize_pending_functions): New.
3320 (cgraph_finalize_function): Call it.
3321 (cgraph_finalize_compilation_unit): Likewise.
3322 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3323 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3324 (BT_FN_UINT_UINT): New.
3325 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3326 DEF_FUNCTION_TYPE_VAR_4): Document.
3327 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3328 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3329 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3330 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3331 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3332 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3333 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3334 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3335 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3336 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3337 into separate files.
3338 (DEF_GOMP_BUILTIN): New.
3339 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3340 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3341 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3342 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3343 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3344 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3345 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3346 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3347 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3348 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3349 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3350 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3351 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3352 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3353 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3354 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3355 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3356 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3357 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3358 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3359 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3360 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3361 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3362 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3363 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3364 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3365 * sync-builtins.def: New file, moved from builtins.def.
3366 * omp-builtins.def: New file, moved from builtins.def.
3367 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3368 * gimple-low.c (lower_function_body): Clear data.
3369 (lower_stmt): Do not handle COMPOUND_EXPR.
3370 Remove call to print_node_brief.
3371 * c-tree.h (c_finish_omp_clauses): New prototype.
3372 (C_DECL_THREADPRIVATE_P): Define.
3373 (lookup_name_no_remap, c_omp_remap_private): Remove
3374 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3375 (check_for_loop_decls): Update decl.
3376 (lookup_name_no_remap, c_omp_remap_private): Declare.
3377 (build_indirect_ref, build_modify_expr, pushdecl,
3378 pushdecl_top_level): Move to c-common.h.
3379 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3380 before the switch, but just in the 2 places that need it.
3381 * c-decl.c (diagnose_mismatched_decls): Do not check for
3382 mismatched thread-local attributes when OLDDECL is marked
3383 threadprivate and NEWDECL has no thread-local attributes.
3384 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3385 (c_gimple_diagnostics_recursively): Rename from
3386 c_warn_unused_result_recursively. Invoke
3387 diagnose_omp_structured_block_errors.
3388 (check_for_loop_decls): Return a singular decl found.
3389 * langhooks.c (lhd_omp_predetermined_sharing): Return
3390 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3391 (lhd_omp_firstprivatize_type_sizes): New.
3392 (lhd_omp_assignment): New.
3393 (lhd_omp_predetermined_sharing): New.
3394 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3395 (struct lang_hooks_for_types): Add
3396 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3397 omp_predetermined_sharing, omp_disregard_value_expr,
3398 omp_private_debug_clause, omp_clause_default_ctor,
3399 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3400 (c_finish_omp_clauses): New.
3401 (c_finish_bc_stmt): Diagnose break within omp for.
3402 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3403 (build_unary_op): Return error_mark after reporting
3405 (build_modify_expr): Likewise.
3406 * gimplify.c: Include optabs.h and pointer-set.h.
3407 (enum gimplify_omp_var_data): Declare.
3408 (struct gimplify_omp_ctx): Declare.
3409 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3411 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3412 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3413 (splay_tree_compare_decl_uid): New.
3414 (new_omp_context): New.
3415 (delete_omp_context): New.
3416 (gimple_add_tmp_var): Call omp_add_variable.
3417 (gimplify_bind_expr): Likewise.
3418 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3419 true, disregard DECL_VALUE_EXPR on the decl if any.
3420 (gimplify_expr_in_ctx): New.
3421 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3422 omp_add_variable, omp_notice_variable, omp_is_private
3423 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3424 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3425 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3426 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3427 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3428 gimplify_omp_atomic): New.
3429 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3430 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3431 OMP_CRITICAL and OMP_ATOMIC.
3432 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3433 * c-pragma.h (enum pragma_kind): Add
3434 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3435 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3436 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3437 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3438 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3439 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3440 PRAGMA_OMP_THREADPRIVATE.
3441 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3442 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3443 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3444 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3445 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3446 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3447 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3448 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3449 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3450 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3451 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3452 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3453 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3455 (struct nesting_info): Add field_map,
3456 suppress_expansion, debug_var_chain.
3457 (create_nesting_tree): Initialize them.
3458 (lookup_field_for_decl): Use field_map.
3459 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3460 (convert_local_omp_clauses): New.
3461 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3462 (walk_body): Split out of walk_function.
3463 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3464 (convert_nonlocal_reference): Handle omp statements.
3465 (convert_local_reference): Likewise.
3466 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3467 (unnest_nesting_tree): New.
3468 (lower_nested_functions): Call it.
3469 (insert_field_into_struct): Make extern.
3470 (struct walk_stmt_info): Move to tree-gimple.h.
3471 (walk_stmts): Make extern.
3472 * omp-builtins.def: New file.
3473 * tree-iterator.c (expr_only): Clarify comment.
3474 * c-common.h (pushdecl_top_level, pushdecl,
3475 build_modify_expr, build_indirect_ref,
3476 c_finish_omp_master, c_finish_omp_critical,
3477 c_finish_omp_ordered, c_finish_omp_barrier,
3478 c_finish_omp_atomic, c_finish_omp_flush,
3479 c_finish_omp_for, c_split_parallel_clauses,
3480 omp_clause_default_kind, c_omp_sharing_predetermined,
3481 c_omp_remap_decl): Declare.
3482 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3483 (OBJS-common): Add omp-low.o.
3484 (c-omp.o, omp-low.o): Add.
3485 (gimplify.o): Add dependency on $(OPTABS_H).
3486 (GTFILES): Add omp-low.c.
3487 (gt-stringpool.h): Add.
3488 * tree-cfg.c (set_bb_for_stmt): Do not update the
3489 block-to-labels map if we are currently expanding to RTL.
3490 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3492 Handle IDENTIFIER_NODE.
3493 (tree_verify_flow_info): Do not ICE when emitting error
3494 messages about invalid labels.
3495 (dump_function_to_file): Reset CFUN before emitting the body
3497 (debug_function): New.
3498 * passes.c (init_optimization_passes): Schedule
3500 * langhooks-def.h (lhd_omp_predetermined_sharing,
3501 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3503 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3504 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3505 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3506 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3507 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3508 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3509 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3510 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3511 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3512 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3513 (LANG_HOOK_DECLS): Use them.
3515 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3516 Richard Henderson <rth@redhat.com>
3517 Jakub Jelinek <jakub@redhat.com>
3518 Diego Novillo <dnovillo@redhat.com>
3520 * c-parser.c (pragma_omp_clause): Define.
3521 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3522 (c_parser_compound_statement): Likewise.
3523 (c_parser_statement): Likewise.
3524 (c_parser_pragma): Handle omp pragmas.
3525 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3526 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3527 (c_parser_omp_clause_name, check_no_duplicate_clause,
3528 c_parser_omp_variable_list,
3529 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3530 c_parser_omp_clause_copyprivate,
3531 c_parser_omp_clause_default,
3532 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3533 c_parser_omp_clause_lastprivate,
3534 c_parser_omp_clause_nowait,
3535 c_parser_omp_clause_num_threads,
3536 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3537 c_parser_omp_clause_reduction,
3538 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3539 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3540 c_parser_omp_atomic, c_parser_omp_barrier,
3541 c_parser_omp_critical, c_parser_omp_flush,
3542 c_parser_omp_for_loop, c_parser_omp_for,
3543 c_parser_omp_master, c_parser_omp_ordered,
3544 c_parser_omp_sections_scope, c_parser_omp_sections,
3545 c_parser_omp_parallel, c_parser_omp_single,
3546 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3547 * c-pragma.c (init_pragma): Do omp pragma registration here.
3548 * c.opt (fopenmp): New flag.
3550 2006-01-18 Eric Christopher <echristo@apple.com>
3552 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3553 * config/darwin.h (GOMP_SELF_SPECS): Define.
3555 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3557 * rtl.h: Remove the prototype for reg_alloc.
3559 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3562 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3563 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3564 sjlj and dwarf2 exception handling.
3565 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3566 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3567 * pa/pa.c (function_value): Treat complex and vector types as
3569 (function_arg): Likewise. Only pass scalar floats in the floating
3570 point argument registers.
3571 * pa/t-slibgcc-dwarf-ver: New file.
3572 * pa/t-slibgcc-sjlj-ver: New file.
3573 * pa/t-slibgcc-elf-ver: Delete file.
3575 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3577 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3578 unlikely_test_section_p test.
3580 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3582 * mode-switching.c (optimize_mode_switching): Make it static.
3583 * basic-block.h: Remove the prototype for
3584 optimize_mode_switching.
3586 * modulo-sched.c (sms_schedule): Make it static.
3587 * rtl.h: Remove the prototype for sms_schedule.
3589 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3590 * rtl.h: Remove the prototype for gcse_after_reload_main.
3592 * reg-stack.c (reg_to_stack): Make it static.
3593 * rtl.h: Remove the prototype for reg_to_stack.
3595 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3597 * rtl.h: Remove the prototypes for regrename_optimize and
3598 copyprop_hardreg_forward.
3600 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3602 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3603 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3604 Test against the appropriate null constant for the mode.
3605 If 'fixup_overlap' is true, swap the operands if they overlap.
3606 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3607 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3608 alpha_split_tmode_pair and adjust for above change.
3609 * config/alpha/alpha.md (movtf_internal): Adjust call to
3610 alpha_split_tfmode_pair and rely on it to swap the operands.
3611 (movti_internal): New insn and post-reload splitter.
3612 (movti): New expander.
3614 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3616 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3621 * rtlanal.c (global_reg_mentioned_p_1,
3622 global_reg_mentioned_p): Remove.
3623 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3625 * flow.c (initialize_uninitialized_subregs): Make it static.
3626 * rtl.h: Remove the prototype for
3627 initialize_uninitialized_subregs.
3629 * function.c (instantiate_virtual_regs): Make it static.
3630 * function.h: Remove the prototype for
3631 instantiate_virtual_regs.
3633 * regmove.c (regmove_optimize, combine_stack_adjustments):
3635 * rtl.h: Remove the prototypes for regmove_optimize and
3636 combine_stack_adjustments.
3638 2006-01-17 Roger Sayle <roger@eyesopen.com>
3640 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3641 (size_cost): Encode costs in bytes so that a reg-reg addition is
3642 equivalent to COSTS_N_INSNS(1).
3643 (override_options): Use the size_cost.branch_cost as the default
3644 ix86_branch_cost when optimizing for size.
3646 2006-01-18 Ben Elliston <bje@au.ibm.com>
3648 * Makefile.in (D32PBIT_FUNCS): New.
3649 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3650 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3651 D64PBIT_FUNCS and D128PBIT_FUNCS.
3652 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3653 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3655 (decnumber_dep): Define.
3656 * doc/libgcc.texi (Decimal float library routines): New node.
3657 * config/dfp-bit.h, config/dfp-bit.c: New files.
3659 2006-01-18 Ben Elliston <bje@au.ibm.com>
3661 * expr.c (emit_move_change_mode): Always adjust addresses, not
3662 just during reload. Copy replacements only during reload.
3663 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3664 emit_move_via_integer.
3666 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3668 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3669 instead of $(srcdir) and ${srcdir}.
3671 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3675 * arm.h (struct machine_function): Add pic_reg.
3676 * arm.c (arm_pic_register): Make unsigned.
3677 (arm_override_options): Only set arm_pic_register if
3678 TARGET_SINGLE_PIC_BASE.
3679 (use_return_insn): Only test for a pic register if it is fixed.
3680 (arm_compute_save_reg0_reg12_mask): Likewise.
3681 (thumb_compute_save_reg_mask): Likewise.
3682 (legitimate_pic_operand): Factor out some known invariants.
3683 (legitimize_pic_address): If we don't have a fixed pic register,
3684 then set up a pseudo in the function entry sequence. Handle the
3685 pic base being in a pseudo.
3686 (arm_load_pic_register): Handle the pic register being in a pseudo.
3687 (arm_expand_prologue): Only set up the pic register if it is fixed.
3688 (thumb_expand_prologue): Likewise.
3689 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3690 (pic_load_addr_based_insn): Likewise.
3691 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3694 2006-01-18 Ben Elliston <bje@au.ibm.com>
3696 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3697 decimal float modes for all floating point registers.
3699 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3700 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3702 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3705 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3706 even when the pointer is not NULL.
3708 2006-01-16 Ian Lance Taylor <ian@airs.com>
3710 * common.opt (ftoplevel-reorder): New option.
3711 * cgraph.c (cgraph_asm_nodes): New global variable.
3712 (cgraph_asm_last_node): New static variable.
3713 (cgraph_order): New global variable.
3714 (cgraph_create_node): Set new order field.
3715 (cgraph_varpool_node): Likewise.
3716 (decide_is_variable_needed): Return true if not
3717 flag_toplevel_reorder.
3718 (cgraph_add_asm_node): New function.
3719 * cgraph.h (struct cgraph_node): Add order field.
3720 (struct cgraph_varpool_node): Add order field.
3721 (struct cgraph_asm_node): Define.
3722 (cgraph_asm_nodes, cgraph_order): Declare.
3723 (cgraph_add_asm_node): Declare.
3724 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3726 (cgraph_varpool_assemble_pending_decls): Call it.
3727 (cgraph_output_pending_asms): New static function.
3728 (cgraph_finalize_compilation_unit): Call it.
3729 (struct cgraph_order_sort): Define.
3730 (cgraph_output_in_order): New static function.
3731 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3732 !flag_toplevel_reorder case.
3733 * c-parser.c: Include "cgraph.h".
3734 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3736 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3737 than -fno-unit-at-a-time.
3738 * doc/invoke.texi (Option Summary): Mention
3739 -fno-toplevel-reorder.
3740 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3741 -funit-at-a-time documentation.
3743 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3744 Kazu Hirata <kazu@codesourcery.com>
3746 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3748 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3750 * Makefile.in (FUNCTION_H): New. Use it instead of
3751 function.h throughout the file.
3752 * function.h: Include tree.h.
3754 2006-01-17 Ben Elliston <bje@au.ibm.com>
3756 * recog.c: Separate some functions with whitespace.
3758 2006-01-16 Richard Henderson <rth@redhat.com>
3760 Merge from gomp branch:
3761 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3762 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3763 and rename from struct inline_data. Rename callee* to dst*;
3764 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3765 transform_new_cfg, transform_return_to_modify, and
3766 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3768 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3769 (copy_decl_for_dup): Remove.
3770 * tree-inline.c (struct inline_data): Move to header.
3771 (insert_decl_map): Export.
3772 (remap_decl): Update for member name changes. Use copy_decl hook.
3773 Allow for replacement to be a non-decl. Remove dead code.
3774 (remap_type_1): Check for existing mapping.
3775 (remap_type): Export.
3776 (remap_decls): Update for member name changes.
3777 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3778 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3779 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3780 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3781 (tree_function_versioning, build_duplicate_type): Likewise.
3782 (copy_body_r): Likewise. Export.
3783 (copy_decl_for_dup): Split into ...
3784 (copy_decl_for_dup_finish, copy_decl_to_var,
3785 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3786 (replace_ref_tree, inlining_p): Remove.
3788 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3790 * ifcvt.c (if_convert): Make it static.
3791 * rtl.h: Remove the prototype for if_convert.
3793 * local-alloc.c (local_alloc): Make it static.
3794 * rtl.h: Remove the prototype for local_alloc.
3796 * loop.c (loop_optimize): Make it static.
3797 * cfgloop.h: Remove the prototype for loop_optimize.
3800 2006-01-16 DJ Delorie <dj@redhat.com>
3802 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3805 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3807 * pa.md: Disparage copies between general and floating-point registers
3808 in 32-bit move patterns.
3810 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3813 * Makefile.in (check-%): Depend on site.exp instead of
3814 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3819 * global.c (global_alloc): Make it static.
3820 * rtl.h: Remove the prototype for global_alloc.
3822 2006-01-16 Richard Guenther <rguenther@suse.de>
3824 * tree-ssa-alias.c (struct used_part): Add write_only field.
3825 (get_or_create_used_part_for): Initialize it to true.
3826 (create_overlap_variables_for): Don't create structure variables
3827 for structures that only are written to.
3828 (find_used_portions): Handle MODIFY_EXPR to track whether a
3829 structure is only written to.
3831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3833 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3835 * basic-block.h: Remove the prototype for
3836 partition_hot_cold_basic_blocks.
3838 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3840 * cppspec.c (lang_specific_spec_functions): Remove.
3841 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3842 * gcc.h (lang_specific_spec_functions): Remove.
3843 * gccspec.c (lang_specific_spec_functions): Remove.
3845 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3847 * combine.c (record_value_for_reg): Invalidate registers
3849 (record_dead_and_set_regs_1): Likewise, by passing them to
3850 record_value_for_reg.
3851 (record_dead_and_set_regs): Invalidate stores made by a
3852 call. We do not combine across a call, but we still
3853 relied on equivalences.
3855 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3857 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3858 vrp_int_const_binop returning non-constant nodes.
3860 2006-01-16 Paul Brook <paul@codesourcery.com>
3862 * config/m68k/m68k.c (output_move_const_into_data_reg):
3863 Output correct mnemonic for mvz and mvs.
3865 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3867 * rtl-factoring.c: Add sequence abstraction algorithm.
3868 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3869 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3871 (block_has_preserve_label): New function.
3872 * common.opt: Register new pass.
3873 * Makefile.in: Ditto.
3875 * timevar.def: Ditto.
3876 * tree-pass.h: Ditto.
3877 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3878 * rtl.h (make_jump_insn_raw): Add forward decl.
3879 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3881 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3882 Roger Sayle <roger@eyesopen.com>
3884 * fold-const.c (fold_minmax): New static function.
3885 (fold_binary) <MIN_EXPR>: Call it.
3886 <MAX_EXPR>: Likewise.
3887 * stor-layout.c (place_field): Use DECL_SIZE consistently
3888 in the computation of the new record size.
3890 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3892 * cse.c (cse_condition_code_reg): Make it static.
3893 * rtl.h: Remove the prototype for cse_condition_code_reg.
3895 * combine.c (combine_instructions): Make it static.
3896 * rtl.h: Remove the prototype for combine_instructions.
3898 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3901 * tree.c (get_file_function_name_long): Concatenate the first global
3902 object name with a string derived from the input filename of the object
3905 2006-01-16 Ben Elliston <bje@au.ibm.com>
3907 * config/i386/winnt-stubs.c: Update FSF address.
3908 * config/xtensa/ieee754-df.S: Ditto.
3909 * config/xtensa/ieee754-sf.S: Ditto.
3911 2006-01-14 Ian Lance Taylor <ian@airs.com>
3913 * ifcvt.c (noce_init_if_info): New static function, broken out of
3914 noce_process_if_block.
3915 (noce_process_if_block): Call noce_init_if_info.
3916 (check_cond_move_block): New static function.
3917 (cond_move_process_if_block): New static function.
3918 (process_if_block): Call cond_move_process_if_block.
3920 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3922 * cselib.c (hash_table): Rename to cselib_hash_table.
3923 (cselib_clear_table, discard_useless_values,
3924 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3925 cselib_init, cselib_finish): Adjust uses of hash_table.
3927 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3929 PR tree-optimization/25485
3930 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3931 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3932 is known to be false and true, respectively.
3934 2006-01-14 Richard Guenther <rguenther@suse.de>
3936 PR tree-optimization/22548
3937 PR tree-optimization/22555
3938 PR tree-optimization/22501
3939 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3940 * params.def (salias-max-array-elements): New parameter.
3941 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3942 * doc/invoke.texi (salias-max-array-elements): Document.
3943 * tree-flow-inline.h (var_can_have_subvars): We also handle
3945 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3947 * tree-ssa-structalias.c (params.h): Include.
3948 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3949 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3950 (get_constraint_for): For ADDR_EXPR operating on something
3951 containing an ARRAY_REF, add all subvars to the solution.
3952 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3953 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3954 for creating MUST_DEFs.
3955 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3957 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3959 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3961 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3962 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3963 number_of_iterations_le): New functions.
3964 (number_of_iterations_special): Removed.
3965 (number_of_iterations_exit): Do not use number_of_iterations_special.
3966 * tree.c (unsigned_type_for): Always return integer type.
3968 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3969 Richard Guenther <rguenther@suse.de>
3971 PR rtl-optimization/24257
3972 * gcse.c (find_moveable_store): Only consider a store movable
3973 when the SET_SRC of the insn can be assigned to a register.
3975 2006-01-14 Ian Lance Taylor <ian@airs.com>
3977 * tree.c (tree_not_class_check_failed): New function.
3978 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3979 (tree_not_class_check_failed): Declare.
3981 2006-01-13 Ian Lance Taylor <ian@airs.com>
3983 * reload1.c (do_output_reload): Add assertion rejecting a
3986 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3988 * combine.c (struct reg_stat): Add new fields truncation_label and
3990 (record_value_for_reg): Reset truncated_to_mode.
3991 (record_truncated_value): New function.
3992 (check_promoted_subreg): Call it. Rename to check_conversions.
3993 (combine_instructions): Rename check_promoted_subreg to
3995 (reg_truncated_to_mode): New function.
3996 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3997 (gen_lowpart_or_truncate): New function.
3998 (force_to_mode): Use it instead of gen_lowpart.
4000 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4002 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4003 VAR is a tag, not its type tag.
4005 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4007 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4008 alternatives to match style of other entries.
4009 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4011 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4013 PR tree-optimization/25771
4014 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4017 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4020 * tree-inline.c (declare_return_variable): If the return variable
4021 was marked as a non gimple complex, set the return slot variable
4022 to be a non gimple comple variable.
4024 2006-01-13 Richard Guenther <rguenther@suse.de>
4026 * builtins.c (expand_builtin_sincos): New function.
4027 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4029 (expand_builtin): Expand sincos using expand_builtin_sincos.
4031 2006-01-12 DJ Delorie <dj@redhat.com>
4033 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4034 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4035 so that constant shifts can be split.
4036 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4037 (m32c_valid_pointer_mode): Make static.
4038 (shift_gen_func_for): New.
4039 (m32c_prepare_shift): Use it. Split large const shifts into
4041 * config/m32c/predicates.md (shiftcount_operand): Allow more
4043 (longshiftcount_operand): New.
4044 * doc/md.texi (Machine Constraints): Document In6.
4046 2006-01-13 Ben Elliston <bje@au.ibm.com>
4048 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4049 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4052 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4054 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4055 to try to avoid clobbering pieces of structures when we know
4056 something about the whole structure.
4057 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4059 2006-01-13 Ben Elliston <bje@au.ibm.com>
4061 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4062 return in memory, as this is no limitation is no longer present.
4064 2006-01-12 DJ Delorie <dj@redhat.com>
4066 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4067 mova with fb, and for fb+0 -> An.
4069 * config/m32c/mov.md (peephole2): Fix enabling logic.
4071 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4072 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4073 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4074 FINI_ARRAY_SECTION_ASM_OP): Define.
4076 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4078 (m32c_legitimize_reload_address): New logic to reload FB to An.
4079 (m32c_output_reg_push): Add newline.
4080 (m32c_output_reg_pop): Likewise.
4082 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4084 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4086 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4088 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4090 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4092 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4095 2006-01-11 Ben Elliston <bje@au.ibm.com>
4097 * rtlanal.c (find_reg_note): Assert insn is not null.
4099 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4101 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4104 2006-01-11 Jeff Law <law@redhat.com>
4106 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4108 (mark_threaded_blocks, register_jump_thread): New functions.
4109 (thread_through_all_blocks): Remove unwanted argument. No
4110 longer rely on e->aux to communicate thread target info.
4111 Call mark_threaded_blocks. Release the threaded_blocks
4112 bitmap and threaded_edges vector when complete.
4113 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4114 (threaded_blocks): Remove.
4115 (tree_ssa_dominator_optimize): Remove initialization and
4116 finalization of threaded_blocks. Simplify call to
4117 thread_through_all_blocks.
4118 (thread_across_edge): Call register_jump_thread rather than
4119 storing thread information into e->aux.
4120 (free_all_edge_infos): Simplify now that e->aux is no longer
4121 used to communicate with thread_through_all_blocks.
4122 * tree-flow.h (thread_through_all_blocks): Update prototype.
4123 (register_jump_thread): Prototype.
4125 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4127 * df-core.c (df_compact_blocks, df_bb_replace): Use
4128 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4130 2006-01-11 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/25734
4133 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4134 stop propagation after successful propagation to the LHS.
4136 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4138 * basic-block.h (control_flow_graph): Change the type of
4139 x_basic_block_info to VEC(basic_block,gc) *.
4140 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4142 (SET_BASIC_BLOCK): New.
4143 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4144 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4145 * cfgbuild.c (find_basic_blocks): Likewise.
4146 * cfglayout.c (fixup_reorder_chain): Likewise.
4147 * cfgrtl.c (create_basic_block_structure,
4148 rtl_create_basic_block): Likewise.
4149 * ifcvt.c (find_if_case_1): Likewise.
4150 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4153 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4155 * Makefile.in: Removed rotted odf.c entry.
4157 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4160 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4161 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4162 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4163 output pattern modifier, not %e.
4164 * config/cris/cris.c (cris_op_str): Update comment about pattern
4166 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4167 before falling through into...
4168 <case 'E'>: Redefined from old 'e' case.
4170 2006-01-11 Jan Hubicka <jh@suse.cz>
4173 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4175 2006-01-11 Jan Hubicka <jh@suse.cz>
4177 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4178 * i386.c (x86_decompose_lea): Kill.
4179 (ix86_rtx_costs): Kill.
4181 2006-01-11 Jan Hubicka <jh@suse.cz>
4183 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4184 * cgraph.h (cgraph_node): Add inline_decl.
4185 (cgraph_insert_node_to_hashtable): Declare.
4186 (save_inline_function_body): Declare.
4187 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4189 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4190 (cgraph_function_versioning): Update call of tree_function_versioning.
4191 (save_inline_function_body): New function.
4192 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4193 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4194 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4195 (cgraph_default_inline_p): Likewise.
4196 (cgraph_decide_inlining_incrementally): Likewise.
4197 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4198 (copy_bb): Kill saving; do updating of clones.
4199 (copy_cfg_body): Kill saving.
4200 (initialize_inlined-parameters): Likewise.
4201 (expand_call_inline): Likewise.
4203 (tree_function_versioning): New parameter "update_clones".
4204 (inlining_p): Kill saving.
4205 * tree-inline.h (tree_function_versioning): Update prototype.
4206 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4209 2006-01-11 Ian Lance Taylor <ian@airs.com>
4211 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4212 Allow undoing set of machine mode.
4213 (do_SUBST): Use enums instead of is_int.
4214 (do_SUBST_MODE): New function.
4215 (SUBST_MODE): New macro.
4216 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4217 reg and trying to replace reg_regno_rtx with a new register.
4218 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4219 (simplify_set): Use SUBST_MODE.
4220 (distribute_notes): Remove code that tried to update reg notes
4221 for regno_reg_rtx changes.
4223 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4225 PR tree-optimization/23109
4226 PR tree-optimization/23948
4227 PR tree-optimization/24123
4229 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4230 * tree-cfg.c (single_noncomplex_succ): New.
4231 * tree-flow.h (single_noncomplex_succ): Declare it.
4232 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4233 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4234 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4235 insert_bb, register_division_in, insert_reciprocals,
4236 replace_reciprocal, free_bb): New.
4237 (execute_cse_reciprocals_1): Rewritten.
4238 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4239 Do not commit any edge insertion. Always compute dominators and
4240 create the allocation pool.
4241 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4242 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4243 * targhooks.c (default_min_divistions_for_recip_mul): New.
4244 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4245 * passes.c (init_optimization_passes): Run recip after tree loop
4247 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4249 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4250 Kenneth Zadeck <zadeck@naturalbridge.com>
4252 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4253 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4254 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4255 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4256 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4257 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4258 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4259 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4260 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4261 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4262 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4263 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4264 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4265 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4266 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4267 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4268 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4269 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4270 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4271 DF_SCAN_POST_ALLOC): New macros.
4272 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4273 df_free_bb_function, df_local_compute_function, df_init_function,
4274 df_dataflow_function, df_confluence_function_0,
4275 df_confluence_function_n, df_transfer_function,
4276 df_finalizer_function, df_free_function, df_dump_problem_function,
4277 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4278 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4279 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4280 df_urec_bb_info, ) New types.
4281 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4283 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4284 df_analyze_simple_change_some_blocks,
4285 df_analyze_simple_change_one_block, df_compact_blocks,
4286 df_bb_replace, df_bb_regno_last_use_find,
4287 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4288 df_insn_regno_def_p, df_find_def, df_find_use,
4289 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4290 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4291 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4292 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4293 debug_df_chain, df_get_dependent_problem, df_chain_create,
4294 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4295 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4296 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4297 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4298 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4299 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4300 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4301 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4302 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4303 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4304 df_reorganize_refs, df_set_state, df_hard_reg_init,
4305 df_read_modify_subreg_p) New public functions.
4306 * df-core.c: The core dataflow solver and glue routines for rtl
4308 (df_init, df_add_problem, df_set_blocks, df_finish,
4309 df_hybrid_search_forward, df_hybrid_search_backward,
4310 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4311 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4312 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4313 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4314 df_reg_defined, df_find_use, df_reg_used, df_dump,
4315 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4316 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4317 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4318 debug_df_useno, reset_df_after_reload): New functions.
4319 * df-scan.c: The scanning fuctions, once in df.c, completely
4320 rewritten so that they now fully model the functionality of
4321 register usage at the backend.
4322 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4323 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4324 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4325 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4326 df_get_artificial_defs, df_get_artificial_uses,
4327 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4328 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4329 df_refs_delete, df_reorganize_refs, df_set_state,
4330 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4331 df_def_record_1, df_defs_record, df_uses_record,
4332 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4333 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4334 df_record_exit_block_uses, df_hard_reg_init): New functions.
4336 * df-problems.c: Seven concrete dataflow problems that use the
4337 scanning in df-scan.c and are solved by the engine in df-core.c.
4338 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4339 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4340 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4341 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4342 df_ru_free_bb_info, df_ru_alloc,
4343 df_ru_bb_local_compute_process_def,
4344 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4345 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4346 df_ru_transfer_function, df_ru_free, df_ru_dump,
4347 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4348 df_rd_free_bb_info, df_rd_alloc,
4349 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4350 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4351 df_rd_transfer_function, df_rd_free, df_rd_dump,
4352 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4353 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4354 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4355 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4356 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4357 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4358 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4359 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4360 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4361 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4362 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4363 df_urec_mark_reg_use_for_earlyclobber,
4364 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4365 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4366 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4367 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4368 df_chain_create_bb_process_use, df_chain_create_bb,
4369 df_chain_finalize, df_chain_free, df_chains_dump,
4370 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4371 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4372 df_reg_lifetime): New functions.
4373 * df.c: Deleted file.
4374 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4375 consistent with new df api.
4376 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4377 rest_of_handle_sms): Ditto.
4378 * web.c (unionfind_union, union_defs, entry_register, web_main):
4380 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4381 invariant_expr_equal_p, find_defs, check_dependencies,
4382 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4383 free_inv_motion_data, move_loop_invariants): Ditto.
4384 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4385 Update dependencies.
4386 (odf.c): Added defective entry that was deleted later in day.
4387 * sched-deps.c (sched_analyze_1): Ditto.
4389 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4391 * tree-ssa-operands.c (get_expr_operands): Record addressable
4392 variables directly. Do not call add_stmt_operands for CONST_DECLs
4394 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4395 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4397 2006-01-11 Ben Elliston <bje@au.ibm.com>
4399 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4400 function returns true in the positive case.
4402 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4405 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4406 for SI, DI, SF and DF modes. Add alternatives to copy between
4407 general and floating point registers to the 32-bit patterns.
4408 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4409 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4410 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4411 generating 64-bit code.
4412 * config/pa/pa.c (output_move_double): Handle copies between general
4413 and floating registers.
4415 2006-01-10 Stuart Hastings <stuart@apple.com>
4417 * config/i386/i386.md (set_got): Update.
4418 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4419 (builtin_setjmp_receiver): Mach-O support.
4420 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4421 (GOT_SYMBOL_NAME): Define.
4422 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4423 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4424 * config/i386/i386.c (override_options): Revise for Darwin.
4425 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4426 support. (darwin_x86_file_end): New. (output_set_got): Add label
4427 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4428 * config/i386/i386-protos.h (output_set_got): Likewise.
4429 * config/darwin.c (machopic_legitimize_pic_address): Update
4432 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4434 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4435 when MODE isn't BLKmode.
4437 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4439 PR rtl-optimization/25367
4440 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4442 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4445 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4446 for a negative bound.
4448 2006-01-10 Richard Guenther <rguenther@suse.de>
4450 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4451 Never override with anything constraint.
4453 2006-01-10 Jan Beulich <jbeulich@novell.com>
4455 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4456 256 bits when optimize_size.
4458 2006-01-10 Jan Beulich <jbeulich@novell.com>
4460 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4462 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4463 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4466 2006-01-10 Ben Elliston <bje@au.ibm.com>
4468 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4470 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4471 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4472 (USE_FP_FOR_ARG): Reject decimal float modes.
4473 (function_arg_advance): Likewise.
4474 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4475 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4476 point types in AltiVec vectors.
4477 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4478 (rs6000_libcall_value): Likewise.
4480 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4482 * config/xtensa/ieee754-df.S: New file.
4483 * config/xtensa/ieee754-sf.S: New file.
4484 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4485 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4486 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4488 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4490 * config/sh/predicates.md (binary_float_operator,
4491 binary_logical_operator, commutative_float_operator,
4492 equality_comparison_operator, greater_comparison_operator,
4493 less_comparison_operator, logical_operator,
4494 noncommutative_float_operator, shift_operator,
4495 symbol_ref_operand, unary_float_operator): Remove redundant
4498 2006-01-09 Jeff Law <law@redhat.com>
4500 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4501 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4502 now unused arguments. Callers updated.
4503 (eliminate_redundant_computations): Remove now unused arguments,
4505 (local_fold): Remove, no longer used.
4506 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4508 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4509 (simplify_cond): New function.
4510 (forward_propagate_into_cond): Call simplify_cond.
4512 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4514 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4515 (*vec_extractv2di_1_sse): New.
4517 2006-01-09 Ben Elliston <bje@au.ibm.com>
4519 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4521 2006-01-08 Richard Guenther <rguenther@suse.de>
4523 * tree-ssa-structalias.c (get_constraint_for): Remove
4525 (get_constraint_for_component_ref): Likewise.
4526 (do_deref): Likewise.
4527 (get_constraint_for): Likewise.
4528 (do_structure_copy): Likewise.
4529 (handle_ptr_arith): Likewise.
4530 (find_func_aliases): Likewise. Remove unused need_anyoffset
4533 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4534 Kaz Kojima <kkojima@gcc.gnu.org>
4536 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4537 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4538 (EXTRA_CONSTRAINT_C16): Remove.
4539 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4540 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4541 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4542 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4543 constants of SHmedia. Handle nested constant expressions of
4545 (andcosts): Fix the costs for SHmedia constants.
4546 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4547 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4548 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4549 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4550 (movv4hi_i, movv2si_i): Likewise.
4551 (movsi_const): Adjust the second operand of ior so to match with
4553 (movdi_const, movdi_const_32bit): Likewise.
4554 (movdi_const_16bit+1): Don't sign-extend LOW.
4555 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4557 (*double_shori): Fix the split condition. Use GEN_INT instead
4558 of get_int_mode calls. Mask lower 16-bit of the argument of
4560 (sym2GOTPLT): Remove.
4561 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4563 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4564 instead of EXTRA_CONSTRAINT_C16.
4566 2006-01-07 Ian Lance Taylor <ian@airs.com>
4567 David Edelsohn <edelsohn@gnu.org>
4569 PR rtl-optimization/25662
4570 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4571 for constant operands instead of simplify_gen_binary.
4572 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4573 after trying simplify_binary_operation
4575 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4577 * tree.c (iterative_hash_expr): Hash decls based on UID.
4579 2006-01-06 Eric Christopher <echristo@apple.com>
4581 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4582 (TARGET_UNWIND_EMIT): Fix spelling.
4583 * target.h (gcc_target): Add except_table_label.
4584 * except.c (output_function_exception_table): Use.
4585 * varasm.c (default_emit_except_table_label): New.
4586 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4588 (asm_out): Add here.
4589 * output.h (default_emit_except_table_label): Prototype.
4590 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4591 * config/darwin.c (darwin_emit_except_table_label): Define.
4592 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4594 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4596 PR tree-optimization/18527
4597 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4598 number_of_iterations_special, number_of_iterations_exit):
4599 Move base and step of an iv to a single structure. Add
4600 no_overflow flag, and use it in # of iterations analysis.
4601 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4602 folded_casts argument.
4603 (simple_iv): Pass base and step in a structure. Set no_overflow
4605 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4606 Evaluate expensiveness of computing # of iterations instead of
4607 the final expression.
4608 * tree-scalar-evolution.h (affine_iv): New structure.
4609 (simple_iv): Declaration changed.
4610 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4611 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4612 find_givs_in_stmt): Changed due to simple_iv change.
4614 2006-01-06 Jeff Law <law@redhat.com>
4617 * tree-cfg.c (bsi_replace): Rename final argument from
4618 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4619 change (stmt -> orig_stmt).
4620 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4621 (bsi_remove): Add new argument. Remove EH information
4623 (verify_eh_throw_table_statements): New function.
4624 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4626 * tree-optimize.c (execute_free_cfg_annotations): Verify
4627 the EH throw statement table after removing annotations.
4628 * except.h (verify_eh_throw_table_statements): Prototype.
4629 * tree-flow.h (bsi_remove): Update prototype.
4630 * tree-vrp.c (remove_range_assertions): Add new argument to
4632 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4633 * tree-complex.c (expand_complex_div_wide): Likewise.
4634 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4635 * tree-tailcall.c (eliminate_tailcall): Likewise.
4636 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4637 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4638 * tree-nrv.c (tree_nrv): Likewise.
4639 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4640 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4641 (combine_blocks): Likewise.
4642 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4643 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4644 (cleanup_control_flow): Likewise.
4645 (remove_forwarder_block): Likewise.
4646 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4647 * tree-sra.c (sra_replace): Likewise.
4648 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4649 (forward_propagate_single_use_vars): Likewise.
4650 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4651 * tree-inline.c (expand_call_inline): Likewise.
4652 * tree-vect-transform.c (vect_transform_loop): Likewise.
4653 * tree-outof-ssa.c (rewrite_trees): Likewise.
4654 * tree-cfg.c (make_goto_expr_edges): Likewise.
4655 (cleanup_dead_labels): Likewise.
4656 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4657 (bsi_move_before, bsi_move_after): Likewise.
4658 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4659 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4661 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4664 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4666 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4667 on non gimple variables. Also add checks at the top for decls and
4669 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4671 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4672 and IMAGPART_EXPR for creating MUST_DEFs.
4673 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4674 and NAME_MEMORY_TAG separately from the DECLs.
4676 2006-01-06 Richard Guenther <rguenther@suse.de>
4678 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4679 annotation, if necessary.
4680 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4681 redundant calls to update_stmt.
4682 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4685 2006-01-05 Richard Henderson <rth@redhat.com>
4687 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4689 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4691 * c-typeck.c: Update copyright date.
4693 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4695 * c-typeck.c (build_c_cast): Always warn when casting
4696 from a pointer to an integer of different size, even if
4697 the node was constant.
4699 2006-01-05 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/22555
4702 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4703 if one structure field is an array.
4704 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4705 operands even if we found a subvar, but ignore VOPs in this
4707 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4709 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4711 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4714 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4716 2006-01-05 Richard Guenther <rguenther@suse.de>
4717 Diego Novillo <dnovillo@redhat.com>
4719 * tree-pass.h (TODO_remove_unused_locals): Define.
4720 * gimple-low.c (expand_var_p, remove_useless_vars,
4721 pass_remove_useless_vars): Remove. Update all users.
4722 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4723 (remove_unused_locals): New function.
4724 * tree-flow.h (remove_unused_locals): Declare.
4725 * passes.c (execute_todo): Call remove_unused_locals if
4726 TODO_remove_unused_locals is set.
4727 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4728 * tree-ssa-dce.c (pass_dce): Likewise.
4729 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4731 2006-01-05 Richard Guenther <rguenther@suse.de>
4733 * tree-flow.h (struct fieldoff): Decompose field to
4734 type, size and decl.
4735 * tree-ssa-alias.c (create_sft): Take type as parameter.
4736 (create_overlap_variables_for): Store type, size and decl
4737 in the fieldoff structure.
4738 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4740 (push_fields_onto_fieldstack): Likewise.
4741 (create_variable_info_for): Likewise. Use offset for the
4742 SFT name if the decl is not available.
4744 2006-01-04 Paul Brook <paul@codesourcery.com>
4746 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4748 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4750 * lambda-code.c (can_put_in_inner_loop): Relax
4752 (can_put_after_inner_loop): New function.
4753 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4754 (perfect_nestify): Change to make copies and modify uses.
4756 2006-01-04 Richard Henderson <rth@redhat.com>
4758 Merge from gomp branch:
4759 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4760 via integer constant.
4761 (pragma_lex): Remove.
4762 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4763 rather than parsing it.
4764 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4765 handle_pragma_extern_prefix): Add %< %> quotes.
4766 (registered_pragmas): New.
4767 (c_register_pragma_1): New.
4768 (c_register_pragma): Use it.
4769 (c_register_pragma_with_expansion): Likewise.
4770 (c_invoke_pragma_handler): New.
4771 (init_pragma): Use cpp_register_deferred_pragma directly for
4773 * c-pragma.h (enum pragma_kind): New.
4774 (pragma_handler): New.
4775 (c_invoke_pragma_handler): Declare.
4776 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4778 * c-common.h (c_common_pch_pragma): Update decl.
4779 * Makefile.in (c-parser.o): Update dependencies.
4780 (GTFILES): Add c-pragma.h.
4781 * c-parser.c (struct c_token): Add pragma_kind.
4782 (struct c_parser): Add in_pragma.
4783 (c_lex_one_token): Always initialize keyword and pragma_kind.
4784 Extract data for CPP_PRAGMA.
4785 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4786 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4787 Don't allow CPP_PRAGMA_EOL if in_pragma.
4788 (c_parser_consume_pragma): New.
4789 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4790 (c_parser_skip_to_end_of_parameter): Likewise.
4791 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4792 (c_parser_skip_to_pragma_eol): New.
4793 (c_parser_external_declaration): Handle CPP_PRAGMA.
4794 (c_parser_compound_statement_nostart): Likewise.
4795 (c_parser_statement_after_labels): Likewise.
4796 (c_parser_pragma): New.
4797 (pragma_lex): Likewise.
4798 (c_parser_pragma_pch_preprocess): New.
4799 (c_parser_new): Merge into ...
4800 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4802 2006-01-04 Jeff Law <law@redhat.com>
4805 * tree-cfg.c (bsi_replace): Remove the original statement
4806 from the EH throw statement table.
4808 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4810 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4811 make the prototype extern "C" and add throw ().
4814 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4815 and pos non-negative and pos + len <= 32.
4816 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4817 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4818 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4821 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4822 as well as sizes not multiple of component size.
4825 * function.c (instantiate_expr): New function.
4826 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4827 walk its DECL_VALUE_EXPR with instantiate_expr.
4829 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4830 DW_OP_deref{,_size} if address isn't going to be added.
4832 2006-01-04 Ben Elliston <bje@au.ibm.com>
4834 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4835 * config/fp-bit.c: Likewise.
4837 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4839 * dominance.c: Add comment about why we use DFS numbering
4842 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4843 Richard Henderson <rth@redhat.com>
4845 Merge from gomp-branch:
4846 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4847 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4849 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4851 PR rtl-optimization/25578
4852 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4853 pass a parameter to simplify_shift_const if changing ASHIFTRT
4856 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4858 * builtins.c (get_builtin_sync_mem): New function.
4859 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4860 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4861 Call get_builtin_sync_mem to generate mem rtx.
4863 2006-01-03 Richard Guenther <rguenther@suse.de>
4866 * stmt.c (add_case_node): Make sure to clear overflow flags
4869 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4871 Merge from gomp-branch.
4872 * config/sparc/sync.md: New file.
4873 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4874 UNSPECV_LDSTUB): New constants.
4875 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4876 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4877 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4880 2006-01-03 Roger Sayle <roger@eyesopen.com>
4882 * combine.c (reg_subword_p): New predicate to test whether the
4883 destination of a set refers to a subword/piece of a register.
4884 (try_combine): Generalize the code to merge the setting of a
4885 pseudo to a constant followed by a set of a subword of that
4886 register to a constant.
4888 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4890 * basic-block.h (control_flow_graph): Change the type of
4891 x_label_to_block_map to VEC(basic_block,gc) *.
4892 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4893 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4895 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4896 VEC(basic_block,heap) *.
4897 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4898 ssa_prop_fini): Adjust the uses of cfg_blocks.
4900 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4902 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4904 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4905 hashing trees instead of a pointer hash.
4906 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4907 compare for MEM_EXPR.
4909 PR rtl-optimization/25130
4910 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4911 when comparing MEMs for GCSE
4913 2006-01-03 Ben Elliston <bje@au.ibm.com>
4915 * targhooks.h (default_decimal_float_supported_p): Declare.
4916 * targhooks.c (default_decimal_float_supported_p): Define.
4917 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4918 `default_decimal_float_supported_p'.
4919 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4921 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4923 * combine.c (apply_distributive_law <SUBREG>): Check
4924 TRULY_NOOP_TRUNCATION.
4926 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4928 * dwarf2out.c (have_switched_text_section): Delete.
4929 (have_multiple_function_sections): New.
4930 (have_location_lists): Make 'bool'.
4931 (add_AT_loc_list): Use 'true' not '1'.
4932 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4933 (output_loc_list): Use have_multiple_function_sections.
4934 (output_ranges): Likewise.
4935 (dwarf2out_begin_function): Set have_multiple_function_sections if
4937 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4938 Check function_section rather than DECL_SECTION_NAME.
4939 (dwarf2out_finish): Use have_multiple_function_sections.
4940 Don't clear have_location_lists.
4942 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4943 Jan Hubicka <jh@suse.cz>
4945 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4946 case of conditional jump jumping to the next instruction.
4947 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4948 cases of conditional jump jumping to the next instruction.
4950 2006-01-02 Jan Hubicka <jh@suse.cz>
4952 * i386.c (*_cost): Add COSTS_N_INSNS.
4953 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4955 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4958 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4960 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4962 * config/arm/arm.c (all_fpus): Fix comment typo.
4963 * config/darwin.c: Likewise.
4964 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4965 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4966 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4968 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4970 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4971 (rs6000_split_compare_and_swapqhi): New.
4972 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4973 (sync_compare_and_swapqhi_internal): New.
4974 * config/rs6000/rs6000-protos.h: Declare.