| blob | c424d64ec2986381969ec5ceef28d8867db20637 |
1 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3 PR rtl-optimization/25636
4 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5 when deciding whether an insn is an initializing insn.
7 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10 (tree_code_size): Ditto.
11 * tree.h (struct tree_memory_tag): Remove parent_var.
12 (struct tree_struct_field_tag): New.
13 (SFT_OFFSET): New.
14 (SFT_SIZE): New.
15 (union tree_node): Add sft member.
16 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17 specially here.
18 (create_sft): Add size and offset argument, set SFT_OFFSET and
19 SFT_SIZE.
20 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
21 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
22 * tree-flow-inline.h (get_subvar_at): Update for
23 SFT_OFFSET/SFT_SIZE.
24 (var_can_have_subvars): Ditto.
25 (overlap_subvar): Ditto.
26 * print-tree.c (print_node): Print out interesting things for
27 SFT's.
28 * tree-flow.h (struct subvar): Remove offset and size members.
29 * tree-ssa-operands.c (get_expr_operands): Update for
30 get_indirect_ref_operands changes.
31 (get_indirect_ref_operands): Call add_virtual_operand instead of
32 add_stmt_operand. Only recurse on base var if requested.
33 (access_can_touch_variable): New function.
34 (add_stmt_operand): Split virtual operand handling into ...
35 (add_virtual_operand): Here. Add offset, size, and for_clobber
36 arguments. Prune alias sets.
37 (add_call_clobber_ops): Call add_virtual_operand.
39 2006-02-15 Jakub Jelinek <jakub@redhat.com>
41 PR middle-end/26300
42 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
44 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
45 than TREE_CODE as index into omp_clause_num_ops array.
47 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
49 PR rtl-optimization/26184
50 * modulo-sched.c (generate_reg_moves): Free bitmap vector
51 uses_of_defs.
52 * modulo-sched.c (sms_schedule): Free g_arr pointer.
53 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
54 must_precede, must_follow and tobe_scheduled.
56 PR other/26147
57 * opts.c (common_handle_option): Free new_option pointer.
58 * df-core.c (df_analyze): Free postorder pointer.
60 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
62 * Makefile.in: Fix the examples about the use of stamps
64 2006-02-15 Michael Matz <matz@suse.de>
66 PR middle-end/22275
68 * stor-layout.c (layout_decl): Zero-width bitfields aren't
69 influenced by maximum_field_alignment or DECL_PACKED.
70 (update_alignment_for_field): Ditto.
71 (place_field): Ditto.
72 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
73 this behaviour.
75 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
77 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
78 (debug_flow_info): Pass it.
79 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
80 * bb-reorder.c (reorder_basic_blocks): Likewise.
81 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
82 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
83 * flow.c (life_analysis, recompute_reg_usage): Likewise.
84 * gcse.c (gcse_main, bypass_jumps): Likewise.
85 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
86 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
87 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
88 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
89 * rtl.h (dump_flow_info): Adjust prototype.
90 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
91 * var-tracking.c (variable_tracking_main): Likewise.
92 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
93 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
94 options.
96 2006-02-15 Marcin Dalecki <martin@dalecki.de>
98 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
99 construction.
101 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
103 PR tree-optimization/26209
104 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
105 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
106 eh edges.
107 * tree-cfg.c (replace_uses_by): Do not alter cfg.
109 2006-02-14 Roger Sayle <roger@eyesopen.com>
111 PR middle-end/23670
112 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
113 (X,Y) and the corresponding symmetry related transformations.
114 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
115 (X,Y) and its symmetry related transformations.
117 2006-02-14 Roger Sayle <roger@eyesopen.com>
119 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
120 and GEU.
122 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
124 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
126 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
128 PR bootstrap/26053
129 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
130 support COMDAT group.
131 * configure: Regenerate.
133 2006-02-14 Roger Sayle <roger@eyesopen.com>
135 PR middle-end/26279
136 PR middle-end/26280
137 PR middle-end/26283
138 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
140 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
142 Fix PR tree-optimization/26260
144 * doc/invoke.texi (max-fields-for-field-sensitive): Document
145 param.
146 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
147 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
148 * tree-ssa-structalias.c (create_variable_info_for): Use
149 MAX_FIELDS_FOR_FIELD_SENSITIVE.
151 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
153 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
154 Document.
155 * tree-ssa-loop-niter.c (number_of_iterations_ne,
156 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
157 of the ending condition.
158 * tree-ssa-loop-manip.c: Include params.h.
159 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
160 tree_unroll_loop): New functions.
161 * tree-pass.h (pass_loop_prefetch): Declare.
162 * loop.c (rest_of_handle_loop_optimize): Test for
163 -fprefetch-loop-arrays-rtl.
164 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
165 * timevar.def (TV_TREE_PREFETCH): New timevar.
166 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
167 pass_loop_prefetch): New.
168 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
169 (cleanup_tree_cfg_loop): Call scev_reset.
170 * common.opt (fprefetch-loop-arrays-rtl): Add.
171 * tree-ssa-loop-prefetch.c: New file.
172 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
173 (new_temp_expr_table): Initialize expr_vars.
174 (free_temp_expr_table): Cleanup expr_vars.
175 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
176 expressions from being merged into one.
177 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
178 (struct tree_niter_desc): Add control, bound and cmp fields.
179 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
180 Declare.
181 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
182 (tree-cfgcleanup.o): Add SCEV_H dependency.
183 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
184 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
186 2006-02-14 Richard Guenther <rguenther@suse.de>
188 PR tree-optimization/26258
189 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
190 in PHI argument processing.
192 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
194 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
195 new expression in the requested machine mode.
197 2006-02-13 Roger Sayle <roger@eyesopen.com>
199 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
200 directly, instead let do_compare_rtx_and_jump handle this for us.
201 * expr.c (expand_expr_real_1): Likewise.
202 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
203 before do_jump_by_parts_greater.
204 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
205 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
207 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
209 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
211 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
213 PR rtl-optimization/26235
214 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
215 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
216 format.
218 2006-02-13 Jeff Law <law@redhat.com>
220 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
221 TRUTH_XOR_EPR.
223 2006-02-13 Jakub Jelinek <jakub@redhat.com>
225 PR middle-end/26092
226 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
227 twice if decl is a builtin. When trying again, call get_callee_fndecl
228 first to verify it is still a builtin.
230 2006-02-13 Geoffrey Keating <geoffk@apple.com>
232 * dwarf2out.c (base_type_die): Don't add AT_name here.
233 (subrange_type_die): Don't add AT_name here.
234 (modified_type_die): Rearrange code flow. Do add AT_name here.
236 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
238 PR rtl-optimization/26247
239 PR rtl-optimization/26248
240 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
242 2006-02-13 Richard Sandiford <richard@codesourcery.com>
244 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
245 * config/fixtfdi.c: Likewise.
246 * config/fixunstfdi.c: Likewise.
247 * config/floatditf.c: Likewise.
249 2006-02-13 Roger Sayle <roger@eyesopen.com>
251 PR middle-end/24427
252 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
253 into (X,C2) if C1 is a subset of the bits of C2. Transform
254 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
255 (X&(C1&~C2))|C2.
256 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
258 2006-02-13 Josh Conner <jconner@apple.com>
260 PR target/25376
261 * varasm.c (function_section): Check for section name before
262 calling select_section on targets that define
263 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
264 unlikely_text_section instead of hot_function_section if
265 first_function_block_is_cold.
267 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
269 PR middle-end/25335
270 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
272 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
274 PR rtl-optimization/26222
275 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
276 after tree->rtl expansion.
277 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
278 before passing it to emit_move_insn.
280 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
282 * doc/invoke.texi (-Write-strings): Document that it is enabled by
283 default.
284 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
285 Clarify documentation.
286 * c-common.h (warn_write_strings): Remove.
287 * c-common.c (warn_write_strings): Likewise.
288 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
289 default for C++.
291 2006-02-12 Roger Sayle <roger@eyesopen.com>
293 PR middle-end/25724
294 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
295 (do_jump_parts_zero_rtx): New function renamed from
296 do_jump_parts_equality_rtx. Made static. Add a mode argument.
297 (do_jump_parts_equality_rtx): New function split out from
298 do_jump_parts_equality. Old implementation renamed as above.
299 Call do_jump_parts_zero_rtx if either operand is zero.
300 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
301 do all of the heavy lifting.
302 (do_compare_rtx_and_jump): Handle multi-word comparisons by
303 calling either do_jump_by_parts_greater_rtx or
304 do_jump_by_parts_equality_rtx.
305 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
306 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
307 moved to do_compare_rtx_and_jump, call it directly.
308 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
309 mode argument. Call do_compare_rtx_and_jump.
310 (emit_case_nodes): Update calls to do_jump_if_equal.
312 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
314 PR rtl-optimization/26225
315 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
317 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
319 PR rtl-optimization/26232
320 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
322 2006-02-11 Jason Merrill <jason@redhat.com>
324 PR tree-opt/24365
325 * tree-inline.c (declare_return_variable): Just don't use the
326 modify target if it's a gimple complex reg and the return slot
327 isn't.
329 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * doc/contrib.texi: Update my entry.
333 2006-02-10 Geoffrey Keating <geoffk@apple.com>
335 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
337 2006-02-10 Diego Novillo <dnovillo@redhat.com>
339 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
340 expensive.
342 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
344 * doc/invoke.texi (-floop-optimize2): Removed.
345 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
346 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
347 Test flag_branch_on_count_reg only if HAVE_doloop_end.
348 * common.opt (floop-optimize2): Removed.
349 (fmove-loop-invariants): Enabled by default.
351 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
353 * tree-if-conv.c (combine_blocks): Free the result of
354 get_loop_exit_edges.
356 2006-02-10 Jeff Law <law@redhat.com>
358 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
360 PR tree-optimization/26213
361 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
362 loop trying to follow SSA_NAME_VALUE chains.
364 2006-02-10 Richard Guenther <rguenther@suse.de>
366 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
367 deal with structures that end in implicitly variable sized arrays.
369 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
371 PR rtl-optimization/24762
372 * df-scan.c (df_bb_refs_record): Record correct registers defined on
373 eh edges.
375 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
377 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
378 (struct ivopts_data): Add regs_used field.
379 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
380 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
381 instead of loop_data->regs_used;
382 (free_loop_data): Do not free aux fields for loops.
383 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
384 and tree_ssa_iv_optimize_finalize.
386 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
388 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
390 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
392 PR target/26141
393 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
394 computing the effective result type.
396 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
398 PR inline-asm/16194
399 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
400 (tree_overlaps_hard_reg_set): Declare.
401 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
402 type and signature to match function type expected by walk_tree.
403 (tree_overlaps_hard_reg_set): New function.
404 (decl_conflicts_with_clobbers_p): Rename to:
405 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
406 Use tree_overlaps_hard_reg_set. Changed caller.
407 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
408 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
409 * cris.c (cris_md_asm_clobbers): Likewise.
411 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
413 * reload1.c (emit_input_reload_insns): Delete code that tries to
414 inherit using find_equiv_reg.
416 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
418 * c-common.h (flag_const_strings): Don't declare.
419 * c-common.c (flag_const_strings): Remove.
420 * c.opt (fconst_strings): Remove.
421 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
422 <OPT_Wwrite_strings>: Don't set flag_const_strings.
423 (c_common_init_options): Don't set flag_const_strings.
424 * doc/invoke.texi (-fno-const-strings): Remove documentation.
426 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
428 * arm.md (tlobits_cbranch): New pattern.
429 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
430 testing a single bit.
432 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
434 PR tree-opt/26179
435 * tree-ssa-pre.c (create_component_ref_by_pieces):
436 Handle RETURN_DECL like VAR_DECL.
438 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
440 PR middle-end/26134
441 * fold-const.c (fold_indirect_ref_1): Fold
442 "*(foo *)&complexfoo" to "__real__ complexfoo"
443 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
445 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
447 * tree-flow-inline.h (var_can_have_subvars):
448 Volatile variables should not have subvariables.
450 2006-02-09 Diego Novillo <dnovillo@redhat.com>
452 PR 26180
453 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
454 multiplying unsigned values.
455 Tidy comments.
457 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
459 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
461 2006-02-08 Jason Merrill <jason@redhat.com>
463 PR c++/25979
464 * tree.def: Elaborate on difference from MODIFY_EXPR.
465 * doc/c-tree.texi (INIT_EXPR): Likewise.
466 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
467 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
468 (gimplify_target_expr): Likewise.
469 (gimplify_cond_expr): Remove target handling.
470 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
471 (gimplify_expr): Clobber it here.
472 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
473 Do return slot optimization if we have an INIT_EXPR.
475 PR tree-opt/24365
476 * tree-inline.c (declare_return_variable): Also clear
477 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
479 PR c++/16405
480 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
482 PR middle-end/22439
483 * gimplify.c (gimplify_one_sizepos): Fix typo.
485 2006-02-08 Jeff Law <law@redhat.com>
487 PR tree-optimization/21417
488 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
489 across a backedge if the control statement at the end of the
490 block is data dependent on other statements in the same block.
491 (record_temporary_equivalences_from_stmts): Remove over-conservative
492 test for threading across backedges.
494 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
495 control statement, handle all three special cases in the same
496 manner as they all have the same desired solution. No longer
497 special case edge flag updating when the post dominator is
498 the exit block.
500 2006-02-08 Roger Sayle <roger@eyesopen.com>
502 * tree.def (CHAR_TYPE): Remove.
503 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
504 * dwarf2out.c (base_type_die, is_base_type): Likewise.
505 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
506 (gen_string_type_die): Delete unreachable function.
508 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
509 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
510 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
511 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
512 * builtins.c (type_to_class): Likewise.
513 * fold-const.c (fold_convert, build_range_check,
514 merge_ranges): Likewise.
515 * expr.c (count_type_elements): Likewise.
516 * c-pretty-print.c (pp_c_type_specifier): Likewise.
517 * stor-layout.c (layout_type): Likewise.
518 * ipa-type-escape.c (type_to_consider): Likewise.
519 * gimplify.c (omp_firstprivatize_type_sizes,
520 gimplify_type_sizes): Likewise.
521 * explow.c (promote_mode): Likewise.
522 * tree-sra.c (is_sra_scalar_type): Likewise.
523 * varasm.c (output_constant): Likewise.
524 * tree-inline.c (remap_type_1): Likewise.
525 * convert.c (convert_to_pointer, convert_to_real,
526 convert_to_integer, convert_to_complex): Likewise.
528 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
530 * df-scan.c (df_def_record_1): A set destination may
531 be a parallel regardless of mode.
533 2006-02-08 Roger Sayle <roger@eyesopen.com>
535 PR target/22209
536 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
537 * config/mips/_tilib.c: Remove.
538 * config/fixtfdi.c: New libgcc source file.
539 * config/fixunstfdi.c: New source file.
540 * config/floatditf.c: New source file.
541 * config/floatunditf.c: New souce file.
542 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
543 files above instead of config/mips/_tilib.c.
544 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
546 2006-02-08 Jeff Law <law@redhat.com>
548 PR tree-optimization/26169
549 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
550 threading jumps.
552 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
554 * df.h (DF_REG_SIZE): Return the length of the initialized
555 part of the array.
557 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
559 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
560 __muldf3): Return a correctly signed zero.
562 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
564 * passes.c (register_one_dump_file): Accept the current properties
565 instead of pass number. Adjust call to dump_register. Remove
566 duplicated code.
567 (register_dump_files): Now a wrapper around...
568 (register_dump_files_1): ... this one. Do not modify the pass
569 structure.
570 (next_pass_1): Cosmetic fix.
571 (execute_todo): Keep second parameter only. Use curr_properties
572 instead of fetching it from the pass structure. Check and set
573 last_verified.
574 (execute_one_pass): Handle TODO_set_props. Use curr_properties
575 instead of fetching it from the pass structure. Fix calls to
576 execute_todo. Update curr_properties and initialize .vcg RTL dump
577 after running the pass. Reset last_verified.
578 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
579 at the beginning.
580 (FIRST_AUTO_NUMBERED_DUMP): New.
581 (dump_register): Remove "num" parameter, assign it within the
582 function.
583 (get_dump_file_name): Modify template for dumps.
584 * tree-dump.h (dump_register): Adjust prototype.
585 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
586 (PROP_trees): Add PROP_gimple_lomp.
587 (TODO_set_props): New.
588 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
589 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
590 * cfgexpand.c (pass_expand): Destroy PROP_trees.
592 2006-02-08 Jakub Jelinek <jakub@redhat.com>
594 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
595 (sparc64-*-linux*): Likewise.
596 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
597 * config/sparc/t-linux: New file.
598 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
599 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
600 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
601 -m32 -mlong-double-128.
603 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
604 * config/alpha/t-linux: New file.
605 * config/alpha/libgcc-alpha-ldbl.ver: New file.
607 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
608 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
609 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
610 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
611 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
612 (CPP_ARCH32_SPEC): Remove.
614 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
616 PR tree-optimization/26145
617 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
618 bbs pointer.
620 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
622 PR target/26109
623 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
624 >= 240000 when generating code for SOM runtime.
625 (output_indirect_call): Don't use "b,l" instruction for indirect calls
626 to $$dyncall when generating code for SOM runtime..
628 2006-02-07 Dirk Mueller <dmueller@suse.com>
630 PR c++/18150
631 * doc/invoke.texi (-Wsequence-point): Update documentation
632 that -Wsequence-point is implemented for C++ as well.
634 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
636 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
637 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
638 (LIB_SPEC): Likewise.
639 * doc/invoke.texi (SPARC options): Document -pthread.
641 2006-02-07 Geoffrey Keating <geoffk@apple.com>
643 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
644 PIC addresses.
646 2006-02-07 Roger Sayle <roger@eyesopen.com>
648 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
649 Correct comment describing BOOLEAN_TYPE.
651 2006-02-07 Dirk Mueller <dmueller@suse.com>
653 * c.opt: C++ frontend supports -Wdiv-by-zero.
654 * c-opts.c (c_common_handle_option): Remove dead case.
656 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
658 * configure.ac (TLS assembler check): Do not enable TLS by
659 default on SPARC/Solaris before version 10.
660 * configure: Regenerate.
662 2006-02-07 David Edelsohn <edelsohn@gnu.org>
664 * doc/invoke.texi (xl-compat): Document conversion and support
665 routine names.
667 2006-02-07 Jeff Law <law@redhat.com>
669 * tree-vrp.c (find_conditional_asserts): Update comments.
670 (simplify_stmt_for_jump_threading): New.
671 (identify_jump_threads, finalize_jump_threads): New.
672 (vrp_finalize): Call identify_jump_threads.
673 (execute_vrp): Call finalize_jump_threads.
674 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
675 (vrp_element, vrp_data, vrp_element_p): Remove.
676 (vrp_hash_elt, vrp_variables_stack): Remove.
677 (vrp_hash, vrp_eq, record_range): Remove.
678 (simplify_cond_and_lookup_avail_expr): Remove.
679 (extract_range_from_cond): Remove.
680 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
681 (simplify_stmt_for_jump_threading): New.
682 (dom_thread_across_edge): New wrapper.
683 (tree_ssa_dominator_optimize): No longer initialize or
684 finalize any of the VRP datastructures. Remove iteration
685 step and simplify as a result of removal of iteration step.
686 (pass_dominator): Perform a cfg cleanup after DOM.
687 (dom_opt_finalize_block): Use the new common routines
688 for threading jumps. Simplify stack management slightly.
689 No longer need to unwind VRP state.
690 (record_equivalences_from_incoming_edge): No longer record
691 VRP information.
692 (eliminate_redundant_computations): No longer call
693 simplify_cond_and_lookup_avail_expr.
694 * tree-flow.h (potentially_threadable_block): Prototype.
695 (thread_across_edge): Likewise.
696 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
697 (tree-ssa-threadedge.o): Add dependencies.
698 * tree-ssa-threadedge.c: New file.
699 * passes.c (init_optimization_passes): Merge PHIs before
700 calling VRP. Run VRP again late in the SSA optimization pipeline.
702 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
704 * df-core.c (df_set_blocks): Do not dereference function pointers.
705 (df_finish1): Likewise.
706 (df_hybrid_search_forward): Likewise.
707 (df_hybrid_search_backward): Likewise.
708 (df_iterative_dataflow): Likewise.
709 (df_analyze_problem): Likewise.
710 (df_compact_blocks): Likewise.
711 (df_dump): Likewise.
712 * df-scan.c (df_rescan_blocks): Likewise.
713 (df_record_entry_block_defs): Likewise.
715 * genconditions.c (write_conditions): Guard the definition of
716 'insn_conditions' with the check on GCC version.
717 (write_writer): Guard the traversal 'insn_conditions' with
718 the check on GCC version.
720 2006-02-07 Richard Guenther <rguenther@suse.de>
722 PR c++/26140
723 Revert
724 2006-01-30 Richard Guenther <rguenther@suse.de>
725 PR c++/23372
726 * gimplify.c (gimplify_target_expr): Handle easy cases
727 without creating a temporary.
729 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
731 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
732 use of float in probability computations. Use edge probabilities
733 in place of statically computed probabilities.
734 (min_spec_prob): New static variable.
735 (schedule_insns): Initialize it.
736 (GET_SRC_PROB): Removed.
737 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
739 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
741 PR debug/24444
742 * config/ia64/unwind-ia64.c: Revert last change.
743 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
744 (INCOMING_FRAME_SP_OFFSET): Define.
746 2006-02-06 Roger Sayle <roger@eyesopen.com>
748 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
750 2006-02-07 Ben Elliston <bje@au.ibm.com>
752 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
753 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
754 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
755 (ix86_return_in_memory): Handle TDmode.
756 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
757 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
759 2006-02-06 Richard Sandiford <richard@codesourcery.com>
761 * reorg.c (dbr_schedule): Use dump_file instead of file.
763 2006-02-06 Steve Ellcey <sje@cup.hp.com>
765 PR target/25917
766 * config/ia64/predicates.md (extr_len_operand): New predicate.
767 * config/ia64/ia64.md (extv): Tighten constraints.
768 (extzv): Ditto.
769 (*tbit_and_2): Ditto.
770 (*tbit_and_3): Ditto.
771 (*tbit_or_2): Ditto.
772 (*tbit_or_3): Ditto.
773 (*bit_zero): Ditto.
774 (*bit_one): Ditto.
776 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
778 PR target/23359
779 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
781 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
783 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
784 loop_optimizer_init and loop_optimizer_finalize
785 * tree-ssa-sink.c (execute_sink_code): Ditto.
786 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
787 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
788 tree_ssa_loop_done): Ditto.
789 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
790 * sched-ebb.c: Include output.h.
791 (schedule_ebbs): Do not use dump argument.
792 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
793 * loop.c (loop_dump_stream): Removed.
794 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
795 argument.
796 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
797 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
798 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
799 loop_iterations, strength_reduce, record_biv, record_giv,
800 final_giv_value, check_final_value, check_ext_dependent_givs,
801 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
802 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
803 dump_file instead of loop_dump_stream.
804 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
805 argument dump_file.
806 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
807 dump argument.
808 * flow.c (life_analysis, rest_of_handle_life): Ditto.
809 * haifa-sched.c: Include output.h
810 (schedule_insns, sched_init): Do not use dump argument.
811 * mode-switching.c (optimize_mode_switching): Ditto.
812 * modulo-sched.c (stats_file): Removed.
813 (print_node_sched_params): Do not call argument dump_file.
814 (sms_schedule_by_order, loop_canon_p, sms_schedule,
815 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
816 of stats_file.
817 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
818 use dump argument.
819 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
820 rtl_loop_init, rtl_loop_done): Ditto.
821 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
822 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
823 Ditto.
824 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
825 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
826 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
827 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
828 * emit-rtl.c (renumber_insns): Ditto.
829 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
830 expand_gimple_basic_block, tree_expand_cfg): Ditto.
831 * regclass.c (regclass): Ditto.
832 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
833 remove_ssa_form, rewrite_out_of_ssa): Ditto.
834 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
835 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
836 Ditto.
837 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
838 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
839 to regclass.
840 * gcse.c (gcse_file, debug_stderr): Removed.
841 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
842 rest_of_handle_gcse): Do not use dump argument.
843 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
844 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
845 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
846 compute_code_hoist_vbeinout, compute_code_hoist_data,
847 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
848 compute_store_table, build_store_vectors, insert_insn_start_bb,
849 insert_store, remove_reachable_equiv_notes, replace_store_insn,
850 store_motion): Use dump_file instead of gcse_file.
851 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
852 * profile.c (profile_dump_file): Removed.
853 (branch_prob): Use dump_file instead of profile_dump_file.
854 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
855 dump_file.
856 * tree-ssa-copy.c (dump_copy_of): Ditto.
857 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
858 dump file to life_analysis.
859 * bt-load.c (branch_target_load_optimize): Ditto.
860 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
861 renumber_insns.
862 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
863 regclass, dbr_schedule): Declaration changed.
864 * sched-int.h (sched_init): Declaration changed.
865 * tree-profile.c (tree_profile_dump_file): Removed.
866 (tree_profile_hooks): Removed profile_dump_file hook.
867 * rtl-profile (rtl_profile_dump_file): Removed.
868 (rtl_profile_hooks): emoved profile_dump_file hook.
869 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
870 changed.
871 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
872 * tree-cfg.c (build_tree_cfg): Ditto.
873 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
874 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
875 Declaration changed.
876 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
877 life_analysis and schedule_insns.
878 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
879 life_analysis.
880 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
881 dbr_schedule.
882 * config/mips/mips.c (mips_reorg): Ditto.
883 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
884 schedule_ebbs.
886 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
888 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
889 (s390_mangle_fundamental_type): New.
890 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
891 Define.
893 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
894 (alpha_mangle_fundamental_type): New.
895 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
896 Define.
898 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
899 Define.
900 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
901 Define.
902 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
903 (sparc_mangle_fundamental_type): New.
905 2006-02-06 Jakub Jelinek <jakub@redhat.com>
907 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
908 (s390x-*-linux*): Likewise.
909 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
910 * config/s390/t-linux: New file.
912 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
914 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
915 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
917 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
919 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
920 (ANTIC_SAFE_LOADS): New macro.
921 (find_or_generate_expression): Add prototype.
922 (set_contains_value): Allow null set for sake of not always having
923 to allocate ANTIC_SAFE_LOADS.
924 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
925 Allow COMPONENT_REF too.
926 (valid_in_set): Allow COMPONENT_REF.
927 Check ANTIC_SAFE_LOADS too.
928 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
929 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
930 rename.
931 (can_PRE_operation): Add COMPONENT_REF.
932 (create_component_ref_by_pieces): New function.
933 (create_expression_by_pieces): Use create_component_ref_by_pieces.
934 (insert_aux): Move AGGREGATE_TYPE_P check here.
935 (compute_avail): Set bb local stmt uids.
936 (pass_pre): Use TODO_update_ssa_only_virtuals.
938 2006-02-06 Ben Elliston <bje@au.ibm.com>
940 * configure.ac: Unconditionally disable decimal float by default.
941 * configure: Regenerate.
943 2006-02-06 Ben Elliston <bje@au.ibm.com>
945 * read-rtl.c (read_name): Terminate reading on EOF.
947 2006-02-06 Ben Elliston <bje@au.ibm.com>
949 * dfp.c (decimal_real_arithmetic): Change second argument type
950 from int to enum tree_code. Do not always return true, but now
951 return result of any call to decimal_do helper functions.
952 * dfp.h (decimal_real_arithmetic): Update prototype.
954 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
956 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
958 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
960 PR tree-opt/25251
961 * tree-cfg.c (cleanup_dead_labels): Also don't remove
962 forced labels.
964 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
966 * tree-vrp.c (cfg_loops): Removed.
967 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
968 Use current_loops instead of cfg_loops. Pass flags to
969 loop_optimizer_init.
970 * cfgloopmanip.c (fix_loop_structure): Update only available
971 information.
972 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
973 loop_optimizer_init.
974 * modulo-sched.c (build_loops_structure): Removed.
975 (sms_schedule): Use loop_optimizer_init.
976 * loop-init.c (loop_optimizer_init): Use flags to determine
977 which properties of loops to prepare.
978 (rtl_loop_init): Pass flags to loop_optimizer_init.
979 * tree-ssa-sink.c (execute_sink_code): Ditto.
980 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
981 * tree-ssa-pre.c (init_pre): Ditto.
982 * cfgloop.h (LOOPS_NORMAL): New.
983 (loop_optimizer_init): Declaration changed.
985 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
987 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
988 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
989 pa/t-pa.
990 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
991 pa/t-pa.
992 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
993 pa/x-ada.
994 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
995 * pa/t-pa64: Delete quadlib.c rule.
996 * pa/x-ada: Revert last change.
997 * pa/t-pa: Revert last change. Delete quadlib.c rule.
999 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1001 PR rtl-optimization/26087
1002 * rtlanal.c (canonicalize_condition): Do not cross basic block
1003 boundaries.
1005 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1007 PR debug/24444
1008 * config/ia64/ia64.c: Include debug.h.
1009 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1010 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1011 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1012 (process_epilogue, process_set, process_for_unwind_directive):
1013 Output unwind info only if requested. Add CFA info if requested.
1014 Add new arguments as needed. Adjust callers.
1015 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1016 incorrect default.
1017 (DWARF2_FRAME_INFO): Define to zero.
1018 * config/ia64/unwind-ia64.c: Remove code that compensated for
1019 the CFA offset error fixed above.
1020 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1021 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1022 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1023 -funwind-tables and -fexceptions to enable frame info.
1024 (dwarf2out_frame_init): Define initial CFA even if
1025 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1026 DWARF2_UNWIND_INFO is nonzero, not just defined.
1027 (dwarf2out_frame_finish): Output non-EH call frame info only
1028 if DWARF2_FRAME_INFO is nonzero.
1029 (convert_cfa_to_loc_list,
1030 compute_frame_pointer_to_cfa_displacement): Define even if
1031 unwind info is not supported.
1032 (gen_subprogram_die): Use the above unconditionally. Remove
1033 legacy alternate code.
1034 * toplev.c (compile_file): Compile in call to
1035 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1036 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1038 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1039 Jakub Jelinek <jakub@redhat.com>
1041 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1042 IBM extended float format long double as "g" on powerpc*-linux.
1044 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1046 PR target/25926
1047 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1048 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1050 2006-02-03 Jason Merrill <jason@redhat.com>
1052 PR c++/25979
1053 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1055 PR middle-end/25977
1056 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1057 on the return slot if it's an NRV.
1059 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1061 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1062 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1063 rewrite_use): Do not handle USE_OUTER.
1064 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1065 add_iv_outer_candidates, may_replace_final_value,
1066 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1067 (find_interesting_uses_op): Functionality of
1068 find_interesting_uses_outer_or_nonlin moved here.
1069 (find_interesting_uses_outside): Use find_interesting_uses_op.
1071 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1073 PR target/25960
1074 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1076 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1077 Ulrich Weigand <uweigand@de.ibm.com>
1079 PR target/25864
1080 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1081 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1082 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1083 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1084 and dxr fields.
1085 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1086 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1087 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1088 Define secondary reloads for TFmode moves.
1089 (constant_modes): Add TFmode.
1090 (NR_C_MODES): Set to 8.
1091 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1092 builtin define.
1093 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1094 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1095 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1096 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1097 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1098 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1099 (FPR mode macro): Add TFmode.
1100 (DSF mode macro): New.
1101 (<de>, <dee> mode attributes): Removed.
1102 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1103 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1104 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1105 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1106 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1107 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1108 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1109 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1110 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1111 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1112 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1113 "*negabs<mode>2", "sqrt<mode>2"):
1114 Changed <de> to <xde>. R constraint replaced by <Rf>.
1115 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1116 <Rf>.
1117 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1118 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1119 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1120 splitters.
1121 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1122 "extenddftf2", "extendsftf2"): New expanders.
1123 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1124 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1125 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1126 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1127 New options.
1128 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1129 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1130 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1131 __floatditf): Add a GCC_4.1.0 symbol version tag.
1132 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1133 the new options.
1135 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1137 PR target/25377
1138 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1139 Use targetm.binds_local_p instead of TREE_PUBLIC.
1141 2006-02-02 Roger Sayle <roger@eyesopen.com>
1143 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1144 on INTEGER_TYPEs to indicate that it denotes a character type.
1145 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1146 signed_char_type_node, unsigned_char_type_node and char_type_node.
1147 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1148 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1149 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1151 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1152 Daniel Berlin <dberlin@dberlin.org>
1154 * tree-tailcall.c (arg_needs_copy_p): New function.
1155 (eliminate_tail_call): Use arg_needs_copy_p.
1156 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1157 (add_virtual_phis): New function.
1159 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1161 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1162 #ignore instead of #scratch for %g7 .register directive.
1164 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1166 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1167 object files.
1169 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1171 * flow.c (calculate_global_regs_live): Assert that there aren't any
1172 EDGE_FAKE edges.
1174 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1176 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1177 what its name says.
1178 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1179 bsi_after_labels iterator.
1180 * tree-if-conv.c (find_phi_replacement_condition,
1181 replace_phi_with_cond_modify_expr): Likewise.
1182 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1183 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1185 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1187 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1189 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1191 PR 25990
1192 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1193 array after growing it.
1195 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1197 PR middle-end/24901
1198 * fold-const.c (fold_checksum_tree): Change type of buf.
1200 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1202 * reload.c (push_secondary_reload): Initialize t_icode.
1204 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1206 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1207 -msoft-float -mlong-double-128 only issue a warning, but don't
1208 swich to DFmode long double.
1210 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1212 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1213 has a constant equivalent, iterate over equivalents for arg0,
1214 calling simplify_relational_operation and if there's a result
1215 cheaper than X, apply fold_rtx and return the result.
1217 2006-02-01 Jan Hubicka <jh@suse.cz>
1219 * opts.c (no_unit_at_a_time_default): New global variable.
1220 (decode_options): Use it.
1221 * opts.h (no_unit_at_a_time_default): Declare.
1223 2006-02-01 Paul Brook <paul@codesourcery.com>
1225 * function.c (assign_parm_setup_reg): Use function argument promotion
1226 rules.
1227 * expr.c (expand_expr_real_1): Use function argument promotion rules
1228 for PARM_DECLs.
1230 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1232 * gcc.c (process_command): Change j to 'unsigned int'.
1234 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1236 PR middle-end/26001
1237 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1238 Use the corrected index for the character
1239 out of the string constant.
1241 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1243 * mode-switching.c (optimize_mode_switching): Fix size
1244 allocated for bb_info[n_entities].
1246 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1248 * gcc.c (main): Correct type that is allocated for
1249 explicit_link_files.
1251 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1253 * config/s390/s390.c (init_alignment_context): Set
1254 ALIAS_SET_MEMORY_BARRIER on the MEM.
1255 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1257 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1259 PR middle-end/25933
1260 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1261 dom_bbs pointer.
1262 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1263 call to tpa_init.
1265 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1267 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1268 * regrename.c: Ditto.
1269 * tree-ssa-loop-im.c: Ditto.
1270 * tree-dump.c: Ditto.
1271 * tree-complex.c: Ditto.
1272 * genrecog.c: Ditto.
1273 * tree-ssa-threadupdate.c: Ditto.
1274 * tracer.c: Ditto.
1275 * java/class.c: Ditto.
1276 * java/jcf-parse.c: Ditto.
1277 * java/resource.c: Ditto.
1278 * java/except.c: Ditto.
1279 * java/jvspec.c: Ditto.
1280 * java/jcf-write.c: Ditto.
1281 * java/jcf-path.c: Ditto.
1282 * java/gjavah.c: Ditto.
1283 * java/zextract.c: Ditto.
1284 * java/jcf-io.c: Ditto.
1285 * java/jcf.h: Ditto.
1286 * java/buffer.c: Ditto.
1287 * java/lang.c: Ditto.
1288 * java/parse-scan.y: Ditto.
1289 * java/lex.c: Ditto.
1290 * java/lex.h: Ditto.
1291 * cfgloopmanip.c: Ditto.
1292 * postreload-gcse.c: Ditto.
1293 * tree-ssa-loop-manip.c: Ditto.
1294 * postreload.c: Ditto.
1295 * tree-ssa-loop-ch.c: Ditto.
1296 * loop.c: Ditto.
1297 * ipa-cp.c: Ditto.
1298 * cppspec.c: Ditto.
1299 * diagnostic.c: Ditto.
1300 * final.c: Ditto.
1301 * genoutput.c: Ditto.
1302 * gcc.c: Ditto.
1303 * cfghooks.c: Ditto.
1304 * cfgloopanal.c: Ditto.
1305 * objc/objc-act.c: Ditto.
1306 * gcov.c: Ditto.
1307 * genextract.c: Ditto.
1308 * genautomata.c: Ditto.
1309 * pretty-print.c: Ditto.
1310 * genemit.c: Ditto.
1311 * cgraphunit.c: Ditto.
1312 * flow.c: Ditto.
1313 * df-scan.c: Ditto.
1314 * haifa-sched.c: Ditto.
1315 * dominance.c: Ditto.
1316 * dbxout.c: Ditto.
1317 * tree-ssa-loop-ivopts.c: Ditto.
1318 * df-core.c: Ditto.
1319 * mode-switching.c: Ditto.
1320 * modulo-sched.c: Ditto.
1321 * graph.c: Ditto.
1322 * ipa-pure-const.c: Ditto.
1323 * cse.c: Ditto.
1324 * fix-header.c: Ditto.
1325 * web.c: Ditto.
1326 * tree-stdarg.c: Ditto.
1327 * ipa-utils.c: Ditto.
1328 * loop-init.c: Ditto.
1329 * ipa-inline.c: Ditto.
1330 * cfganal.c: Ditto.
1331 * global.c: Ditto.
1332 * alloc-pool.c: Ditto.
1333 * dwarf2out.c: Ditto.
1334 * opts.c: Ditto.
1335 * genattrtab.c: Ditto.
1336 * tree-ssa-loop-ivcanon.c: Ditto.
1337 * predict.c: Ditto.
1338 * timevar.c: Ditto.
1339 * lcm.c: Ditto.
1340 * fortran/gfortranspec.c: Ditto.
1341 * regmove.c: Ditto.
1342 * local-alloc.c: Ditto.
1343 * langhooks.c: Ditto.
1344 * function.c: Ditto.
1345 * tree-vectorizer.c: Ditto.
1346 * gcse.c: Ditto.
1347 * ipa-type-escape.c: Ditto.
1348 * alias.c: Ditto.
1349 * tree-if-conv.c: Ditto.
1350 * profile.c: Ditto.
1351 * ipa.c: Ditto.
1352 * tree-data-ref.c: Ditto.
1353 * loop-unroll.c: Ditto.
1354 * treelang/treetree.c: Ditto.
1355 * calls.c: Ditto.
1356 * bt-load.c: Ditto.
1357 * ggc-common.c: Ditto.
1358 * except.c: Ditto.
1359 * coverage.c: Ditto.
1360 * cselib.c: Ditto.
1361 * tree-cfgcleanup.c: Ditto.
1362 * tree-ssa-pre.c: Ditto.
1363 * cfgcleanup.c: Ditto.
1364 * loop-invariant.c: Ditto.
1365 * loop-iv.c: Ditto.
1366 * ipa-prop.c: Ditto.
1367 * print-tree.c: Ditto.
1368 * conflict.c: Ditto.
1369 * ggc-page.c: Ditto.
1370 * sched-deps.c: Ditto.
1371 * regclass.c: Ditto.
1372 * tree-object-size.c: Ditto.
1373 * combine.c: Ditto.
1374 * bb-reorder.c: Ditto.
1375 * resource.c: Ditto.
1376 * var-tracking.c: Ditto.
1377 * cfgloop.c: Ditto.
1378 * df-problems.c: Ditto.
1379 * reg-stack.c: Ditto.
1380 * tlink.c: Ditto.
1381 * gccspec.c: Ditto.
1382 * sched-rgn.c: Ditto.
1383 * tree-ssa-structalias.c: Ditto.
1384 * tree-ssa-reassoc.c: Ditto.
1385 * config/darwin-c.c: Ditto.
1386 * config/darwin.c: Ditto.
1387 * config/arm/arm.c: Ditto.
1388 * cfgrtl.c: Ditto.
1389 * collect2.c: Ditto.
1390 * reload1.c: Ditto.
1392 2006-01-31 Nicolas Pitre <nico@cam.org>
1394 * arm.md (smaxsi3): Make aware of smax_m1.
1395 (smax_m1): New.
1397 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1399 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1401 2006-01-31 Richard Guenther <rguenther@suse.de>
1403 * doc/invoke.texi (-msselibm): Document.
1404 * target.h (expand_library_builtin): New target hook.
1405 * builtins.c (expand_builtin): Use expand_library_builtin.
1406 (default_expand_library_builtin): New function.
1407 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1408 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1409 (link_gcc_math_spec): Declare.
1410 (static_specs): Add link_gcc_math_spec.
1411 * expr.h (default_expand_library_builtin): Declare.
1412 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1413 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1414 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1415 * config/i386/i386.opt (msselibm): New target option.
1416 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1417 (ix86_init_sse_abi_builtins): New function.
1418 (ix86_expand_library_builtin): Likewise.
1419 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1420 (override_options): Handle error conditions wrt -msselibm.
1421 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1422 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1423 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1424 builtins.
1426 2006-01-31 Richard Guenther <rguenther@suse.de>
1427 Paolo Bonzini <bonzini@gnu.org>
1429 * doc/install.texi (--disable-libgcc-math): Document.
1431 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1433 * expr.h (expand_normal): new inline function.
1434 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1435 * dojump.c: use it.
1436 * dwarf2out.c: use it.
1437 * expr.c: use it.
1438 * calls.c: use it.
1439 * expmed.c: use it.
1440 * except.c: use it.
1441 * config/sparc/sparc.c: use it.
1442 * config/i386/i386.c: use it.
1443 * config/rs6000/rs6000.c: use it.
1444 * config/arm/arm.c: use it.
1445 * config/mips/mips.c: use it.
1446 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1448 2006-01-30 Roger Sayle <roger@eyesopen.com>
1450 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1451 argv to the appropriate type.
1453 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1455 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1456 unreachable code.
1458 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1460 PR target/26018
1461 * config/s390/s390.c (struct machine_function): New flag
1462 decomposed_literal_pool_addresses_ok_p.
1463 (s390_reorg): Set it before final stage of literal pool transforms.
1464 (s390_decompose_address): Only accept displacements of the form
1465 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1467 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1469 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1470 the comparison routine return.
1472 2006-01-30 Michael Matz <matz@suse.de>
1474 * global.c (find_reg): Only evict for global regs.
1475 Take n_refs into account and dump more info.
1477 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1479 PR target/14798:
1480 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1481 (pragma_trap, pragma_nosave_low_regs): Likewise.
1482 (current_function_anonymous_args): Likewise.
1483 (sh_deferred_function_attributes): New variable.
1484 (sh_deferred_function_attributes_tail): Likewise.
1485 (print_operand): For '@', look up trap_exit attribute.
1486 (calc_live_regs): Look up trapa_handler attribute. For trapa
1487 handlers, save/restore fpscr, but don't do any other
1488 interrupt-specific saves.
1489 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1490 Fix check for partially saved registers to check for SHmedia.
1491 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1492 (sh_output_function_epilogue): Don't clear any of the removed
1493 variables.
1494 (sh_insert_attributes): Don't check pragma_interrupt.
1495 Insert deferred attributes. Check that interrupt attribute is
1496 present for other attributes that require its presence.
1497 (sh_attribute_table): Add new attributes trapa_handler and
1498 nosave_low_regs.
1499 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1500 Don't check for pragma_interrupt. Don't store argument.
1501 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1502 (sh_deferred_function_attributes): Declare.
1503 (sh_deferred_function_attributes_tail): Likewise.
1504 * sh.md (sp_switch_1): Add operand. Change generator caller.
1505 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1506 (*return_i): Don't use when trap_exit attribute is in effect.
1507 (*return_trapa): New insn pattern.
1508 * sh-c.c: New file.
1509 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1510 setting c_target_objs and cxx_target_objs.
1511 * t-sh: Add rule for sh-c.o.
1513 2006-01-30 Richard Guenther <rguenther@suse.de>
1515 PR c++/23372
1516 * gimplify.c (gimplify_target_expr): Handle easy cases
1517 without creating a temporary.
1519 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1521 * vec.h (safe_grow): Remove duplicated line.
1523 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1525 PR 25874
1526 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1527 (expand_omp): ... here.
1528 (expand_omp_parallel): Only remove barriers for combined
1529 parallel+workshare constructs.
1531 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1533 Revert
1535 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1536 * tree.c (build_qualified_type): Chain the new type to the original
1537 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1538 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1539 (build_pointer_type_for_mode): Only return unqualified types.
1540 (build_reference_type_for_mode): Likewise.
1542 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1544 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1545 * Makefile.in (CXX_COMPAT_WARN): Define.
1546 * configure: Regenerate.
1548 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1550 PR tree-opt/25911
1551 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1552 to an if check.
1554 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1556 * toplev.c: Fix thinko.
1558 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1559 Marcin Dalecki <martin@dalecki.de>
1561 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1562 (push_srcloc): Use XNEW.
1563 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1565 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1567 * df-core.c (df_set_blocks): Deleted all variable.
1569 2006-01-28 Ian Lance Taylor <ian@airs.com>
1571 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1572 cgraph_output_pending_asms.
1574 2006-01-28 Zack Weinberg <zackw@panix.com>
1576 * c.opt: Add -W(no-)overlength-strings.
1577 * doc/invoke.texi: Document it.
1578 * c-opts.c (c_common_handle_option): -pedantic implies
1579 -Woverlength-strings, if not explicitly disabled already.
1580 (c_common_post_options): -Woverlength-strings defaults to off, and
1581 is always off for C++.
1582 * c-common.c (fix_string_type): Issue warning about strings longer
1583 than is portable only if warn_overlength_strings. Rearrange code
1584 a little for clarity.
1585 * configure.in: Check for -Wno-overlength-strings as well before
1586 enabling -pedantic in stage 1.
1587 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1588 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1590 * genconditions.c (write_header, write_one_condition)
1591 (write_conditions, write_writer): Consolidate very long strings
1592 that were broken up to fit in C89 portable limit. Don't use
1593 printf when fputs will do.
1595 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1597 * combine.c (simplify_comparison <AND>): Check
1598 TRULY_NOOP_TRUNCATION before start using a subreg.
1600 * config/mips/mips.md (*branch_zero<mode>,
1601 *branch_zero<mode>_inverted, *branch_equality<mode>,
1602 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1603 Remove mode check from comparisons.
1605 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1607 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1609 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1611 * expmed.c (const_mult_add_overflow_p): Remove.
1612 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1614 * recog.c (validate_replace_rtx_subexp): Remove.
1615 * recog.h: Remove the prototype for
1616 validate_replace_rtx_subexp.
1618 * integrate.h: Remove the prototype for
1619 copy_decl_for_inlining.
1620 * rtl.h: Remove the prototype for mark_constant_function.
1621 * tree-vectorizer.h: Remove the prototype for
1622 vect_strip_conversion.
1624 * modulo-sched.c (create_partial_schedule,
1625 free_partial_schedule, reset_partial_schedule): Make them
1626 static.
1628 * hooks.c (hook_bool_rtx_int_false): Remove.
1629 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1631 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1633 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1634 and -mlong-double-128 are incompatible.
1635 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1636 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1637 (TARGET_LIBGCC2_CFLAGS): Define.
1638 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1639 (TARGET_LIBGCC2_CFLAGS): Same.
1640 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1642 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1644 PR c/19606.
1645 * c-typeck.c (build_binary_op): Perform implicit casts of
1646 operands before shortening them.
1648 * cfgloopmanip.c (split_loop_bb): Remove.
1649 * cfgloop.h: Remove the prototype for split_loop_bb.
1651 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1652 * cfgloop.h: Remove the prototype for
1653 flow_loop_outside_edge_p.
1655 * emit-rtl.c (init_virtual_regs): Make it static.
1656 * function.h: Remove the prototype for init_virtual_regs.
1658 * recog.c (peephole2_optimize): Make it static.
1659 * recog.h: Remove the prototype for peephole2_optimize.
1661 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1663 * df-scan.c (df_record_entry_block_defs): Check if
1664 INCOMING_RETURN_ADDR_RTX is defined.
1666 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1667 Kenneth Zadeck <zadeck@naturalbridge.com>
1669 PR rtl-optimization/24762
1670 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1671 * targhooks.c (hook_void_bitmap): New hook prototype.
1672 * targhoohs.h (hook_void_bitmap): Ditto.
1673 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1674 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1675 * target.h (live_on_entry): New function pointer.
1676 * df-scan.c (df_all_hard_regs): Removed.
1677 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1678 (df_scan_free_internal): Added df->entry_block_defs.
1679 (df_scan_alloc): Ditto.
1680 (df_scan_dump): Ditto.
1681 (df_uses_record): Plumbed flag field properly thru calls.
1682 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1683 This part fixes PR24762.
1684 (df_bb_refs_record): Added code to make the frame and arg
1685 pointers live in EH blocks.
1686 (df_refs_record): Added call to df_record_entry_block_defs.
1687 (df_record_entry_block_defs): New function.
1688 * df-core.c: Added comments to describe new artifical defs.
1689 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1690 (entry_block_defs): New field in struct df.
1691 (df_all_hard_regs): Deleted.
1692 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1693 * df-problems.c (df_ru_bb_local_compute_process_def):
1694 Added code to handle artifical defs in the entry to a function.
1695 (df_ru_bb_local_compute): Ditto.
1696 (df_rd_bb_local_compute_process_def): Ditto.
1697 (df_rd_bb_local_compute): Ditto.
1698 (df_lr_bb_local_compute): Ditto.
1699 (df_ur_bb_local_compute): Ditto.
1700 (df_urec_bb_local_compute): Ditto.
1701 (df_chain_create_bb): Ditto.
1702 (df_ur_local_finalize): Removed entry.
1703 (df_urec_init): Ditto.
1704 (df_urec_local_finalize): Ditto.
1705 (df_ri_bb_compute): Added detection of last use of pseudos.
1706 * Makefile.in (df-scan.o): Updated dependencies.
1707 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1708 * config/mips/mips.c (mips_set_live_on_entry): Added.
1709 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1710 for target hook.
1711 * dce.c (marked_insn_p): Added code to handle artifical defs.
1713 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1715 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1716 intrinsic.
1717 (_mm_cvtsi128_si64): Likewise.
1718 (_mm_cvtsd_si64): Likewise.
1719 (_mm_cvttsd_si64): Likewise.
1720 (_mm_cvtsi64_sd): Likewise.
1721 (_mm_cvtsi64_si128): Likewise.
1722 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1723 (_mm_cvtsi64_m64): Likewise.
1724 (_m_to_int64): Likewise.
1725 (_mm_cvtm64_si64): Likewise.
1726 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1727 (_mm_cvttss_si64): Likewise.
1728 (_mm_cvtsi64_ss): Likewise.
1729 (_mm_cvtss_f32): Likewise.
1731 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1733 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1734 for pragma redefine_extname.
1736 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1738 PR target/25864
1739 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1740 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1741 -mno-minimal-toc to previous content.
1742 (bispecs): Remove goal.
1743 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1744 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1745 compatibility aliases on powerpc-*-*gnu*.
1746 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1747 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1748 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1749 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1750 (ldblspecs): New goal.
1751 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1752 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1753 _df_to_tf.
1754 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1755 L_sf_to_tf or L_df_to_tf is defined.
1757 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1758 Alan Modra <amodra@bigpond.net.au>
1760 PR target/25864
1761 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1762 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1763 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1764 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1765 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1766 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1767 (rs6000_override_options): Initialize rs6000_ieeequad.
1768 Initialize TFmode format to ibm_extended_format if not
1769 TARGET_IEEEQUAD.
1770 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1771 ieeelongdouble.
1772 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1773 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1774 (function_arg_advance): IBM long double passed in two FPRs, not
1775 split.
1776 (function_arg): IBM long double passed in FPRs.
1777 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1778 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1779 Only multireg GPR aligned.
1780 (rs6000_init_libfuncs): Enable IBM long double functions if not
1781 IEEEQUAD.
1782 (rs6000_generate_compare): Use IBM long double compare if not
1783 TARGET_IEEEQUAD.
1784 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1785 (TARGET_IEEEQUAD): Define.
1786 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1787 not TARGET_IEEEQUAD.
1788 * config/rs6000/rs6000.md: Enable TFmode patterns if
1789 !TARGET_IEEEQUAD.
1790 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1791 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1792 and -mlong-double-128 are incompatible.
1793 * doc/invoke.texi (-mabi): Collect options together. Add
1794 ibmlongdouble and ieeelongdouble.
1796 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1798 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1799 opaque type.
1800 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1801 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1802 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1803 * rtl.h (rtunion_def): Remove rt_ptr.
1804 (X0PTR): Delete.
1805 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1806 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1807 * config/i386/winnt.c (i386_pe_mark_dllexport)
1808 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1810 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1812 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1814 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1816 PR other/24829
1817 PR target/24831
1818 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1819 pthread_key_delete. From John David Anglin. gthrw-ify
1820 pthread_getunique_np only if it it's not a macro. Delete
1821 UNUSED macro.
1822 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1823 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1824 __gthread_objc_condition_signal, __gthread_key_delete): Add
1825 "__attribute__ ((__unused__))" to unused arguments.
1826 (__gthread_recursive_mutex_init_function): Add missing return.
1827 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1828 gthr-posix95.h: Use macro-based approach for name redirection
1829 on targets missing weakref.
1831 2006-01-26 Zack Weinberg <zackw@panix.com>
1833 * genconditions.c (write_header): In generated code, #ifdef out
1834 all includes and fake declarations, except includes of bconfig.h
1835 and system.h, unless GCC_VERSION >= 3001. Do not include
1836 gensupport.h in any case.
1837 (write_conditions): Generate a definition of struct c_test. Add
1838 a comment to the generated #endif.
1839 (write_one_condition): Escape backslashes in string too.
1840 (write_writer): Generated code must escape backslashes and quote
1841 marks (but not newlines) in the strings it writes.
1842 * Makefile.in (build/gencondmd.o): Update dependencies.
1844 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1846 PR target/25961
1847 * Makefile.in (insn-automata.o): Add header file dependencies.
1848 * genautomata.c: Add includes.
1850 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1852 PR target/25961
1853 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1855 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1857 * configure.ac: Expect target tools paths to be passed from the toplevel
1858 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1859 AS_SET_VAR_IF.
1860 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1862 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1864 PR c/25892
1865 * c.opt (Wpointer-sign): Init to -1.
1866 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1867 OPT_pedantic, to 0 otherwise.
1868 * doc/invoke.texi: Update.
1870 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1872 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1873 constants provided by 80387 instructions in the destination mode.
1875 2006-01-26 Richard Guenther <rguenther@suse.de>
1876 Andrew Pinski <pinskia@physics.uc.edu>
1878 PR tree-opt/21470
1879 partial PR tree-opt/17064
1880 * tree-ssa-structalias.c (intra_create_variable_infos):
1881 Create heap variables for incoming parameters if
1882 flag_argument_noalias > 1.
1883 (find_what_p_points_to): Look through default defs of
1884 parameter decls.
1886 2006-01-26 Jeff Law <law@redhat.com>
1888 PR ada/25900
1889 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1890 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1891 within the VR_RANGE, use the VR_RANGE as the result, not the
1892 VR_ANTI_RANGE.
1893 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1894 bounds for the type.
1896 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1898 * tree-ssa-alias.c (maybe_create_global_var): Change
1899 subvar walking to an assertion that we don't have subvar'd variables.
1901 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1903 PR C/25861
1904 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1905 Use a new variable, inner. PARM_DECLs are always non-weak.
1907 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1909 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1910 --disable-checking.
1912 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1914 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1916 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1918 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1919 (smax_insn, smin_insn, smax_0, smin_0): New.
1921 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1923 PR target/25947
1924 * config/cris/cris.c (cris_order_for_addsi3): New function.
1925 * config/cris/cris-protos.h: Prototype it.
1926 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1927 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1928 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1929 (split for "op.S1 [rx=rx+i],ry (swapped)")
1930 (split for "op(s|u).S1 [rx=rx+i],ry")
1931 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1932 Apply cris_order_for_addsi3 when generating addsi3 insns.
1934 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1936 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1937 (TREE_BLOCK): Add call to EXPR_CHECK.
1939 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1941 PR 25886
1942 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1943 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1944 (dump_omp_clauses): ... here.
1945 (dump_generic_node): Handle OMP_CLAUSE.
1946 * tree.c (omp_clause_num_ops): New.
1947 (omp_clause_code_name): New.
1948 (tree_code_size): Handle OMP_CLAUSE.
1949 (tree_size): Likewise.
1950 (make_node): Document handling of OMP_CLAUSE.
1951 (tree_node_structure): Handle OMP_CLAUSE.
1952 (omp_clause_check_failed): New.
1953 (omp_clause_range_check_failed): New.
1954 (omp_clause_operand_check_failed): New.
1955 (build_omp_clause): New.
1956 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1957 * tree.h (enum omp_clause_code): Declare.
1958 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1959 (OMP_CLAUSE_RANGE_CHECK): Define.
1960 (OMP_CLAUSE_ELT_CHECK): Define.
1961 (omp_clause_check_failed): Declare.
1962 (omp_clause_operand_check_failed): Declare.
1963 (omp_clause_range_check_failed): Declare.
1964 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1965 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1966 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1967 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1968 (OMP_CLAUSE_IF_EXPR): Likewise.
1969 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1970 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1971 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1972 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1973 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1974 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1975 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1976 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1977 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1978 (OMP_CLAUSE_CODE): Define.
1979 (OMP_CLAUSE_SET_CODE): Define.
1980 (OMP_CLAUSE_CODE): Define.
1981 (OMP_CLAUSE_OPERAND): Define.
1982 (struct tree_omp_clause): Declare.
1983 (union tree_node): Add field 'omp_clause'.
1984 * treestruct.def (TS_OMP_CLAUSE): Define.
1985 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1986 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1987 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1988 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1989 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1990 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1991 (OMP_CLAUSE): Define.
1992 * print-tree.c (print_node): Handle OMP_CLAUSE.
1993 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1994 * c-typeck.c: Likewise.
1995 * gimplify.c: Likewise.
1996 * c-omp.c: Likewise.
1997 * tree-nested.c: Likewise.
1998 * tree-inline.c: Likewise.
1999 * c-parser.c: Likewise.
2000 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2001 clauses.
2003 2006-01-25 Roger Sayle <roger@eyesopen.com>
2005 PR rtl-optimization/25703
2006 * combine.c (try_combine): Handle zero_extract and strict_low_part
2007 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2009 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2011 * global.c: Fix comment typos.
2013 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2015 PR target/25758
2016 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2017 Use output_addr_const instead of assemble_name.
2019 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2021 * Makefile.in (sched-vis.o): Update dependencies.
2022 * haifa-sched.c (sched_finish): Clear current_sched_info.
2023 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2024 (dump_flow_info): Call it.
2025 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2026 a slim RTL dump.
2027 * basic-block.h (dump_bb_info): Declare.
2028 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2029 option, and apply options only for dump files whose TDF_RTL,
2030 TDF_TREE, or TDF_IPA bits match.
2031 * rtl.h: Declare new functions exported from sched-vis.c.
2032 * sched-vis.c: Enable also if scheduling is not used.
2033 (print_value): Print the mode of registers if not inside scheduling.
2034 (print_insn): Make it work outside the scheduler. Beautify the output
2035 a bit.
2036 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2038 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2040 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2041 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2042 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2043 depending on the value of CONSTANT_POOL_ADDRESS_P.
2044 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2045 SYMBOL_REF_DECL.
2046 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2047 rather than SYMBOL_REF_DECL.
2048 (rtx_constant_pool): Remove const_rtx_sym_htab.
2049 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2050 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2051 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2052 Remove handling of const_rtx_sym_htab.
2053 (find_pool_constant): Delete.
2054 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2055 rather than find_pool_constant.
2056 (get_pool_constant_for_function): Delete.
2057 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2058 find_pool_constant.
2059 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2060 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2061 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2062 (SYMBOL_REF_CONSTANT): New macro.
2063 (get_pool_constant_for_function): Delete.
2064 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2065 rather than SYMBOL_REF_DECL.
2066 (i386_pe_mark_dllimport): Likewise.
2067 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2068 rather than SYMBOL_REF_DECL.
2069 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2070 (machopic_indirect_call_target): Likewise.
2072 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2074 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2076 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2078 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2080 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2082 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2084 2006-01-24 David Daney <ddaney@avtrex.com>
2086 PR java/25816
2087 * configure.ac (enable_tls): New enable option.
2088 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2089 * configure: Regenerate.
2090 * doc/install.texi (--enable-tls): Document new option.
2091 (--disable-tls): Ditto.
2093 2006-01-24 Richard Henderson <rth@redehat.com>
2095 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2096 * alias.c (true_dependence): Respect it.
2097 (canon_true_dependence, write_dependence_p): Likewise.
2098 * builtins.c (get_builtin_sync_mem): Set it.
2100 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2102 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2103 efficient way.
2105 2006-01-24 DJ Delorie <dj@redhat.com>
2107 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2108 for storing constants in single-bit bitfields.
2110 2006-01-25 Ben Elliston <bje@au.ibm.com>
2112 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2114 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2116 PR tree-opt/25860
2117 * tree-ssa-pre.c (phi_translate): Return NULL
2118 for AGGREGATE_TYPE's.
2120 2006-01-24 Zack Weinberg <zackw@panix.com>
2122 * genautomata.c (process_state_for_insn_equiv_partition):
2123 Use xcalloc for insn_arcs_array.
2124 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2125 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2127 2006-01-24 Richard Henderson <rth@redhat.com>
2129 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2130 update all callers.
2132 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2134 PR rtl-optimization/25890
2135 PR rtl-optimization/25905
2136 * combine.c (expand_compound_operation, expand_field_assignment):
2137 Fail if the bitfield's final position is out of bounds.
2139 2006-01-24 Ian Lance Taylor <ian@airs.com>
2141 PR middle-end/25930
2142 * cgraphunit.c (cgraph_output_in_order): Don't clear
2143 cgraph_asm_nodes until after asm strings have been output.
2145 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2147 * fix-header.c (read_scan_file): Add new parameter imultilib when
2148 calling register_include_chains.
2150 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2152 * omp-low.c: Update documentation.
2154 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2155 Daniel Berlin <dberlin@dberlin.org>
2157 PR tree-opt/25315
2158 PR tree-opt/25857
2159 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2160 return from the function.
2162 2006-01-22 Zack Weinberg <zackw@panix.com>
2164 * rtl.def (match_code): Add second argument.
2165 * genpreds.c (write_extract_subexp): New function.
2166 (write_match_code): Add path argument. Use write_extract_subexp.
2167 (write_predicate_expr): Pass path to write_match_code.
2168 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2169 not perform a mode test.
2170 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2171 a subexpression does not constrain the top-level code set.
2172 * read-rtl.c (read_rtx_variadic): New function.
2173 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2174 * doc/md.texi: Document new notation.
2175 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2176 (cmpsi_operand): ... here, using new notation.
2178 2006-01-22 Zack Weinberg <zackw@panix.com>
2180 * varray.c: Remove GENERATOR_FILE #ifdefs.
2182 2006-01-22 Zack Weinberg <zackw@panix.com>
2184 * genautomata.c (output_reserved_units_table): Emit nothing if
2185 description->query_units_num is zero. Remove extra blank line.
2186 (output_cpu_unit_reservation_p): Short circuit
2187 if description->query_units_num is zero.
2189 2006-01-22 Zack Weinberg <zackw@panix.com>
2191 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2192 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2193 nor any of the random handful of variables that used to be necessary
2194 when this program was linked with rtlanal.o. Prune set of forward
2195 function declarations.
2196 (struct attr_desc): Remove static_p field.
2197 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2198 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2199 (attr_string): Do not read the character one past the length of
2200 the string.
2201 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2202 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2203 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2204 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2205 (make_automaton_attrs): New.
2206 (main): Do not call into genautomata. Call local gen_bypass
2207 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2208 Remove special case for insn_alts.
2209 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2210 varray.h (leftover from previous change). Prune set of forward
2211 function declarations. Remove state_alts fields from all
2212 structures. Remove state_alts_table from struct automaton.
2213 Make everything except main static. Do not maintain num_dfa_decls.
2214 Do not maintain state_alts fields of various structures.
2215 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2216 (add_arc): Remove state_alts argument. All callers updated.
2217 (output_reserved_units_table): Emit #ifdef here...
2218 (output_tables): ...not here. Don't generate state_alts tables.
2219 (expand_automata): Don't generate attributes.
2220 (write_automata): Don't generate state_alts functions.
2221 (main): New function.
2222 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2223 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2224 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2225 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2226 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2227 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2228 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2229 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2230 Delete.
2231 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2232 * genattrtab.h: Delete file.
2233 * Makefile.in (OBJS-common): Add insn-automata.o.
2234 (insn-automata.o): New rule.
2235 (simple_generated_c): Add insn-automata.c.
2236 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2237 (genprogmd): Add automata.
2238 (build/genattrtab): Needs no extra objects nor libraries.
2239 (build/genautomata): Needs build/vec.o and -lm.
2241 2006-01-22 Zack Weinberg <zackw@panix.com>
2243 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2244 (output_dfa_max_issue_rate, locked_states_num): Delete.
2245 (struct automaton): Add locked_states field.
2246 (output_dead_lock_vect): Save number of locked states in
2247 automaton->locked_states. If it is zero, don't print anything.
2248 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2249 (output_internal_dead_lock_func): Only test the dead_lock_vect
2250 for automata that have locked states.
2251 (output_statistics): Always print the number of locked states for
2252 each automaton. Calculate total number of locked states here.
2253 (write_automata): Don't call output_dfa_max_issue_rate.
2254 * genattrtab.c: Define length_unit_log as a const variable.
2255 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2256 max_insn_queue_index const.
2257 * final.c (length_unit_log): Declare const.
2258 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2260 2006-01-22 Zack Weinberg <zackw@panix.com>
2262 * genautomata.c: Include vec.h, not varray.h.
2263 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2264 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2265 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2266 VEC_* macros operating on appropriately typed vectors, or to
2267 malloced arrays when the size is known in advance. Const-ify
2268 many char* variables and function arguments. No functional changes.
2269 * Makefile.in (build/varray.o): Delete rule.
2270 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2271 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2273 2006-01-22 Zack Weinberg <zackw@panix.com>
2275 * gensupport.c: Define get_insn_name and record_insn_name here.
2276 (read_md_rtx): Call record_insn_name as appropriate.
2277 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2278 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2279 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2280 record_insn_name.
2281 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2282 (BUILD_VARRAY): Delete.
2283 (genprognormal): Rename genprogmd. Fold in all programs from
2284 genprognoprint; also attrtab.
2285 (build/genattrtab): Just mention genautomata.o and varray.o.
2286 Reorganize a bit, add comments to make the categories clearer.
2288 2006-01-22 Zack Weinberg <zackw@panix.com>
2290 * genconditions.c (condition_table, add_condition): Delete.
2291 (write_conditions): Don't emit n_insn_conditions nor
2292 insn_elision_unavailable. Issue the gcc version #ifdef here,
2293 inside the table, with no #else clause ...
2294 (write_header): ...not here.
2295 (write_writer): New function.
2296 (main): Don't initialize condition_table. Use add_c_test.
2297 Call write_writer.
2298 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2299 files on the command line.
2300 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2301 Return -1 if there is no entry in the table, don't abort.
2302 (add_c_test, traverse_c_tests): New functions.
2303 * gensupport.h (insn_elision_unavailable, insn_conditions)
2304 (n_insn_conditions): Delete declarations.
2305 (add_c_test, traverse_c_tests): Declare.
2306 * read-rtl.c: Include gensupport.h.
2307 (read_conditions): New function.
2308 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2309 (read_rtx_1): If we get EOF when we were looking for an initial
2310 open paren, return 0. Call read_conditions when appropriate.
2311 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2312 dummy-conditions.o. Eliminate references to insn-conditions.o,
2313 or change them to build/gencondmd.o, as appropriate. Remove
2314 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2315 from $(simple_generated_c). For all files remaining in those
2316 two lists, add insn-conditions.md to the generator command line.
2317 Give insn-constants.h/s-constants their own rules. Add rules
2318 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2319 (build/read-rtl.o): Depend on gensupport.h.
2320 (genprognormal): Include preds.
2321 (genprogearly): Rename genprognoprint; only difference is now that
2322 they don't link with $(BUILD_PRINT).
2323 * dummy-conditions.c: Delete.
2325 2006-01-22 Zack Weinberg <zackw@panix.com>
2327 * genextract.c: Don't include insn-config.h. Do include vec.h.
2328 Declare vectors of int, char, and locstr.
2329 (locstr): New typedef.
2330 (struct extraction): Make all array fields into bare pointers.
2331 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2332 (insn_code_number): Delete.
2333 (accum_extract): New struct.
2334 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2335 (gen_insn): Take insn_code_number as an argument. Use an
2336 accum_extract structure instead of loading data directly into
2337 a struct extraction, and having to know how big it might get.
2338 (walk_rtx): Operate entirely on an accum_extract structure.
2339 (print_path): Avoid unnecessary use of printf.
2340 (print_header): New function, split out of main. Distinguish
2341 more carefully between an unrecognizable insn and an insn that
2342 has the code number of a define_expand.
2343 (main): Pass insn_code_number to gen_insn. Call print_header
2344 only after parsing. Avoid unnecessary use of printf.
2345 * Makefile.in (build/vec.o): New rule.
2346 (build/genextract): Depend on build/vec.o.
2347 (build/genextract.o): Don't depend on insn-config.h.
2349 2006-01-22 Zack Weinberg <zackw@panix.com>
2351 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2352 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2353 practical. Eliminate per-generator-program link rules.
2355 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2357 PR middle-end/24437
2358 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2359 with a call expr to ...
2360 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2362 2006-01-23 Richard Guenther <rguenther@suse.de>
2364 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2365 before make_edge with conditional EDGE_TRUE_VALUE.
2367 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2368 Jan Hubicka <jh@suse.cz>
2369 Richard Guenther <rguenther@suse.de>
2371 PR rtl-optimization/25654
2372 * cfgexpand.c (aggregate_contains_union_type): New function.
2373 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2374 for structure variables that contain a union type.
2376 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2378 * gengtype.c (new_structure): Return the structure.
2379 (create_option): Add an extra "next" argument.
2380 (create_field): New function.
2381 (adjust_field_rtx_def): Use create_option and create_field.
2382 Remove a now-unnecessary call to find_structure.
2383 (adjust_field_tree_def): Likewise.
2384 (note_yacc_type): Remove an unnecessary call to find_structure.
2385 * gengtype.h (new_structure): Return the structure.
2386 (create_option): Add an extra argument.
2387 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2388 (option): Adjust calls to create_option.
2390 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2392 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2394 2006-01-22 Paul Brook <paul@codesourcery.com>
2395 Peter Barada <peter@the-baradas.com>
2397 * config/m68k/m68k.md: Add Coldfire FPU support.
2398 Define FP mode macro and associated attributes.
2399 Use it for float mode patterns.
2400 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2401 (LIBCALL_VALUE): Use m68k_libcall_value.
2402 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2403 (m68k_function_value): Ditto.
2404 (emit_move_sequence): Ditto.
2405 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2406 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2407 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2408 (MULTILIB_EXCEPTIONS): Ditto.
2409 * config/m68k/m68k.opt: Add mcfv4e.
2410 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2411 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2412 (m68k_output_function_prologue): Save ColdFire FPU registers.
2413 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2414 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2415 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2416 ColdFire FPU registers.
2417 (m68k_libcall_value, m68k_function_value): New functions.
2418 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2419 (LIBCALL_VALUE): Use m68k_libcall_value.
2420 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2421 (MASK_COLDFIRE): Add MASK_CFV4E.
2422 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2423 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2424 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2425 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2426 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2427 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2428 * doc/invoke.tex: Document -mcfv4e on m68k.
2430 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2432 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2433 URL.
2435 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2437 PR c++/16190
2438 * c-opts.c (c_common_handle_option): Don't include
2439 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2440 * doc/invoke.texi (C++ Dialect Options): Document that
2441 -Wnon-virtual-dtor is no longer included in -Wall.
2443 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2445 * gcov.c (print_version), gcov-dump.c (print_version),
2446 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2447 dates.
2449 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2451 * df-scan.c (problem_SCAN): Added NULL reset function.
2452 (df_scan_reset_blocks): Added code to call reset block function
2453 (df_bb_refs_delete) Fixed comment.
2454 (df_insn_refs_delete): Made tolerant of deleting non existent info
2455 for dataflow problems that need to be reset.
2456 * df-core.c (df_set_blocks): Ditto.
2457 * df.h (struct df_problem): Added reset_fun.
2458 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2459 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2460 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2461 functions to clear out all references to def-use or use-def chains.
2463 2006-01-21 Ben Elliston <bje@au.ibm.com>
2465 * varasm.c (assemble_real): Initialise data array.
2467 2006-01-20 Paul Brook <paul@codesourcery.com>
2469 Merge from csl-arm-branch.
2470 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2471 * config/arm/arm.md (movdi): Force operands[1] to a register
2472 if we have a non-register source.
2473 (*arm_movdi, *movdf_soft_insn): Require that one of the
2474 operands be a register.
2475 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2476 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2478 2006-01-20 DJ Delorie <dj@redhat.com>
2480 * varasm.c (initialize_constant_valid_p): Allow pointers
2481 initialized from integer constants of lesser precision.
2482 (output_constant): Allow non-int-sized pointer modes to be
2483 initialized from integer constants.
2485 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2487 PR libstdc++/25524
2488 * cppdefault.h (struct default_include): Add multilib flag.
2489 * cppdefault.c (cpp_include_defaults): Set it.
2490 * c.opt (-imultilib): New option.
2491 * c-opts.c (imultilib): New.
2492 (c_common_handle_option): Handle -imultilib.
2493 (c_common_post_options): Likewise.
2494 * c-incpath.c (add_standard_paths, register_include_chains):
2495 Likewise.
2496 * c-incpath.h (register_include_chains): Add extra parameter.
2497 * gcc.c (do_spec_1): Generate -imultilib option.
2498 (The Specs Language): Update %I description.
2499 (process_command): Update copyright notice.
2500 * doc/cppopts.texi (-imultilib): Document.
2501 * doc/invoke.texi (-imultilib): Include in option summary.
2502 (%I): Update specs documentation.
2504 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2506 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2508 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2510 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2511 label numbers.
2513 2006-01-20 Richard Guenther <rguenther@suse.de>
2514 Steven Bosscher <stevenb.gcc@gmail.com>
2516 PR rtl-optimization/24626
2517 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2518 EDGE_TRUE_VALUE if in RTL mode.
2520 Revert
2521 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2522 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2524 2006-01-20 Dirk Mueller <dmueller@suse.com>
2526 PR c++/5520
2527 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2528 instead of a special NOP marker.
2529 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2530 NOP marker handling.
2531 * c-common.h (empty_body_warning): Add forward declaration.
2532 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2533 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2535 2006-01-20 Paul Brook <paul@codesourcery.com>
2537 * Makefile.in (lang_checks): Keep going if mkdir fails.
2539 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2541 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2542 be able to clean out basic block when not necessary.
2543 (df_scan_free): Fixed to properly delete information if df is
2544 unused before calling df_finish.
2545 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2546 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2547 or comment typos.
2548 (df_bb_refs_delete): New function.
2549 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2550 * df-core.c (df_set_blocks): Added code to properly clean out
2551 unused blocks if they are not part of the blocks to consider.
2552 Added additional null check.
2553 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2554 be able to clean out basic block when not necessary
2555 * df.h (df_free_bb_function): Ditto.
2556 (df_bb_refs_delete): New function.
2557 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2558 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2559 basic block parameter to be able to clean out basic block when not
2560 necessary.
2561 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2562 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2563 Fixed to properly delete information if df is unused before
2564 calling df_finish.
2566 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2568 PR rtl-optimization/25799
2569 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2570 Corrected confluence operator to remove bits from op2 before oring
2571 with op1 rather than removing bits from op1.
2572 (df_ru_transfer_function): Corrected test on wrong bitmap which
2573 caused infinite loop. Both of these problems were introduced in
2574 the dataflow rewrite.
2576 2006-01-19 DJ Delorie <dj@redhat.com>
2578 * reload1.c (find_reload_regs): Note the details of reload
2579 failures in the dump file.
2580 (spill_failure): Likewise.
2582 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2584 * loop-iv.c: Include df.h and hashtab.h.
2585 (enum iv_grd_result): New enum.
2586 (DF_REF_IV, DF_REF_IV_SET): New macros.
2587 (struct biv_entry): New.
2588 (df, bivs): New global variables.
2589 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2590 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2591 Removed.
2592 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2593 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2594 analyzed_for_bivness_p, record_biv): New functions.
2595 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2596 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2597 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2598 UD chains.
2599 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2600 analysed.
2601 (iv_number_of_iterations): Use new interface to iv analysis.
2602 * loop-unroll.c: Do not include varray.h.
2603 (analyze_iv_to_split_insn): Use new interface to iv
2604 analysis.
2605 * loop-unswitch.c (may_unswitch_on): Ditto.
2606 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2607 allocated.
2608 (df_bb_modify): Realloc tables to the new index.
2609 (df_find_use): New function.
2610 * df.h (df_find_use): Declare.
2611 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2612 outmode.
2613 * cfgloop.h (struct rtx_iv): Remove analysed field.
2614 (iv_get_reaching_def): Removed.
2615 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2616 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2617 (loop-iv.o): Add df.h and hashtab.h dependency.
2618 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2620 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2622 PR target/25668
2623 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2624 Double TFmode.
2625 (__floatundisf, __floatundidf): Likewise.
2626 * libgcc2.h (IS_IBM_EXTENDED): Define.
2628 2006-01-19 DJ Delorie <dj@redhat.com>
2630 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2632 2006-01-19 Paul Brook <paul@codesourcery.com>
2634 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2635 as nothrow when unwinding tables are disabled.
2637 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2639 PR testsuite/25171
2640 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2641 of bit-field" when in system header.
2643 2006-01-19 DJ Delorie <dj@redhat.com>
2645 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2646 the 16 bit shift limit of the m16c.
2648 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2650 PR target/22099
2651 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2652 * config/i386/i386.c (output_set_got): Output the label if we have one
2653 for the TARGET_DEEP_BRANCH_PREDICTION case.
2655 2006-01-19 Jan Hubicka <jh@suse.cz>
2656 H.J. Lu <hongjiu.lu@intel.com>
2657 Evandro Menezes <evandro.menezes@amd.com>
2659 * invoke.texi (generic): Document
2660 (i686) Update.
2661 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2662 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2663 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2664 (x86_use_incdec, x86_pad_returns): New variables
2665 (TARGET_CPU_DEFAULT_generic): New constant
2666 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2667 (enum processor_type): Add generic32 and generic64.
2668 * i386.md (cpu attribute): Add generic32/generic64
2669 (movhi splitter): Behave sanely when both partial_reg_dependency and
2670 partial_reg_stall are set.
2671 (K8 splitters): Enable for generic as well.
2672 * predicates.md (incdec_operand): Use TARGET_INCDEC
2673 (aligned_operand): Avoid memory mismatch stalls.
2674 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2675 * ppro.md: Enable for generic32
2676 * i386.c (generic64_cost, generic32_cost): New.
2677 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2678 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2679 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2680 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2681 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2682 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2683 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2684 x86_accumulate_outgoing_args, x86_prologue_using_move,
2685 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2686 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2687 Enable for generic.
2688 (x86_use_incdec, x86_pad_returns): New.
2689 (override_options): Add generic32 and generic64, translate "generic"
2690 to generic32/generic64 and "i686" to "generic32", refuse
2691 "generic32"/"generic64" as arch target.
2692 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2693 (ix86_reorg): Honor PAD_RETURNS.
2695 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2697 * tree-pretty-print.c (dump_generic_node): Handle
2698 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2699 * cgraph.c (cgraph_expand_queue): Rename from
2700 cgraph_analyze_queue. Update all users.
2701 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2702 cgraph_expand_queue.
2703 (cgraph_expand_all_functions): Likewise.
2704 (cgraph_finalize_pending_functions): Remove. Update callers.
2706 * tree.h (OMP_DIRECTIVE_P): Define.
2707 (OMP_PARALLEL_FN): Define.
2708 (OMP_PARALLEL_DATA_ARG): Define.
2709 (OMP_SECTIONS_SECTIONS): Define.
2710 * tree-pass.h (pass_expand_omp): Declare.
2711 * omp-low.c (struct omp_region): Declare.
2712 (struct omp_context): Remove fields 'parallel_type',
2713 'parallel_start_ix' and 'parallel_start_additional_args'.
2714 Update all users.
2715 (struct omp_for_data): Rename from struct expand_omp_for_data.
2716 (omp_regions): New static variable.
2717 (root_omp_region): New static variable.
2718 (find_omp_clause): Make static.
2719 (is_in_combined_parallel_ctx): Remove.
2720 (is_combined_parallel): New.
2721 (extract_omp_for_data): Move earlier in the file.
2722 (workshare_safe_to_combine_p): New.
2723 (get_ws_args_for): New.
2724 (determine_parallel_type): Move earlier in the file.
2725 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2726 child function.
2727 (omp_copy_decl): Likewise.
2728 (create_omp_child_function): Likewise.
2729 (lookup_omp_region): New.
2730 (dump_omp_region): New.
2731 (debug_omp_region): New.
2732 (debug_all_omp_regions): New.
2733 (new_omp_region): New.
2734 (scan_omp_parallel): If parallel_nesting_level > 1, the
2735 directive is nested within another parallel directive.
2736 Set OMP_PARALLEL_FN.
2737 (scan_omp_for): Do not try to handle combined parallel+for
2738 cases.
2739 Remove FIXME comment.
2740 (scan_omp_nested): Remove.
2741 (scan_omp_1): Do not call scan_omp_nested when
2742 parallel_nesting_level is > 1.
2743 Do not change the DECL_CONTEXT of local variables found.
2744 (lookup_decl_in_outer_ctx): New.
2745 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2746 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2747 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2748 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2749 If CTX is nested, lookup VAR in the outer context when
2750 building copy assignment.
2751 (lower_send_clauses): Rename from expand_send_clauses.
2752 If CTX is nested, lookup VAR in the outer context when
2753 building copy assignments.
2754 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2755 If CTX is nested, lookup VAR in the outer context when
2756 building copy assignments.
2757 (expand_parallel_call): Rename from build_parallel_call.
2758 Handle combined parallel+workshare cases.
2759 Re-implement to emit code into the CFG.
2760 (list2chain): New.
2761 (expand_omp_parallel): Re-implement to emit code into the CFG.
2762 Call move_sese_region_to_fn to outline the sub-graph
2763 containing the parallel region.
2764 (expand_omp_for_1): Remove.
2765 (expand_omp_for_generic): Re-implement to emit code into the
2766 CFG.
2767 (expand_omp_for_static_nochunk): Likewise.
2768 (expand_omp_for_static_chunk): Likewise.
2769 (expand_omp_for): Likewise.
2770 (expand_omp_sections): Likewise.
2771 (remove_exit_barriers): New.
2772 (expand_omp_synch): New.
2773 (expand_omp): New.
2774 (build_omp_regions_1): New.
2775 (build_omp_regions): New.
2776 (execute_expand_omp): New.
2777 (gate_expand_omp): New.
2778 (pass_expand_omp): Define.
2779 (lower_omp_sections): Rename from expand_omp_sections.
2780 Set OMP_SECTIONS_SECTIONS.
2781 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2782 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2783 (lower_omp_single): Rename from expand_omp_simple.
2784 (lower_omp_master): Rename from expand_omp_master.
2785 (lower_omp_ordered): Rename from expand_omp_ordered.
2786 (lower_omp_critical): Rename from expand_omp_critical.
2787 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2788 (lower_omp_for): Re-implement.
2789 (lower_omp_parallel): Re-implement.
2790 (lower_regimplify): Rename from expand_regimplify.
2791 (lower_omp_1): Rename from expand_omp_1.
2792 If there are syntax errors in the program, replace every
2793 OpenMP directive with NOP.
2794 Call lower_omp_* instead of expand_omp_*.
2795 (lower_omp): Rename from expand_omp.
2797 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2798 * tree-gimple.h (enum omp_parallel_type): Remove.
2799 (gimple_boolify): Declare extern.
2800 (find_omp_clause, determine_parallel_type): Remove.
2802 * gimple-low.c (lower_omp_directive): New.
2803 (lower_stmt): Call it.
2804 (record_vars_into): Move from ...
2805 (record_vars): ... here.
2806 Call record_vars_into with current_function_decl.
2808 * gimplify.c (struct gimplify_ctx): Remove fields
2809 combined_pre_p and combined_ctxp. Update users.
2810 (get_formal_tmp_var): Add documentation.
2811 (gimple_boolify): Make extern.
2812 (gimplify_expr_in_ctx): Remove. Update callers.
2813 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2814 will always be a BIND_EXPR.
2815 (gimplify_expr): Handle OMP_RETURN_EXPR.
2816 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2817 (OMP_PARALLEL): Add 3 operands.
2818 (OMP_SECTIONS): Add 1 operand.
2819 (OMP_RETURN_EXPR): Define.
2821 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2822 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2823 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2824 creating a circular free list.
2825 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2827 * tree-flow.h (move_sese_region_to_fn): Declare.
2828 (record_vars_into): Declare.
2829 * tree-cfg.c (make_omp_sections_edges): New.
2830 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2831 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2832 OMP_SECTIONS and OMP_SECTION.
2833 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2834 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2835 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2836 (gather_blocks_in_sese_region): New.
2837 (struct move_stmt_d): Declare.
2838 (move_stmt_r): New.
2839 (move_block_to_fn): New.
2840 (move_sese_region_to_fn): New.
2842 * passes.c (init_optimization_passes): Schedule
2843 pass_expand_omp after pass_init_datastructures.
2845 * tree-ssa-operands.c (get_expr_operands): Handle
2846 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2847 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2849 2006-01-19 Jeff Law <law@redhat.com>
2851 * tree-vrp.c (extract_range_from_assert): Refine the result range
2852 if the variable referenced by the ASSERT_EXPR has a range and
2853 either the tentative result range or the previous range is a
2854 VR_ANTI_RANGE.
2856 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2858 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2860 2006-01-19 Jan Hubicka <jh@suse.cz>
2862 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2864 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2866 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2867 (expand_compound_operation, expand_field_assignment): Fail if the
2868 bit lengths of an extract operation are out of range.
2869 (make_extraction): Compute wanted_inner_mode based on the position
2870 and length of the extraction. Make it extraction_mode for non-constant
2871 positions, and do not modify offset in that case. When generating a
2872 new MEM, use a mode that can hold the extraction while keeping correct
2873 alignment. Remove code that supported MEMs wrapped by USEs.
2874 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2876 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2878 * config/s390/s390.md ("Y", "y"): New mode attribute.
2879 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2880 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2881 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2882 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2883 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2884 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2885 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2886 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2887 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2888 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2889 "addsi3", "subsi3"): Insn patterns removed.
2890 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2891 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2892 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2893 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2894 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2895 "*sub<mode>3_cconly2"): New insn patterns.
2896 ("addsi3", "subsi3"): New expanders.
2898 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2900 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2901 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2902 existing STMT_VINFO_VECTYPE if available.
2903 (vect_mark_relevant): Add special handling for stmts that are
2904 marked as STMT_VINFO_IN_PATTERN_P.
2905 (vect_analyze_loop): Call vect_pattern_recog.
2906 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2907 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2908 stmt_info.
2909 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2910 (vect_recog_func_ptr): New function-pointer type.
2911 * tree-vect-patterns.c: New file.
2912 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2913 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2914 (vect_pattern_recog_1): New functions.
2915 (vect_pattern_recog_funcs): New array of function pointers.
2917 * tree-vectorizer.h (ternary_op): New enum value.
2918 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2919 declaration. Revised documentation. Removed redundant dump prints.
2920 Removed redundant argument. Added support for reduction patterns.
2921 (vectorizable_reduction): Added support for reduction patterns.
2922 (vect_transform_stmt): Added support for patterns.
2924 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2925 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2926 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2927 (expand_widen_pattern_expr): New function.
2928 (init_optabs): Initialize new optabs udot_prod_optab,
2929 sdot_prod_optab.
2930 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2931 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2932 (expand_widen_pattern_expr): New function declaration.
2933 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2934 tree-codes.
2935 * tree-inline.c (estimate_num_insns_1): Added cases for new
2936 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2937 * tree-pretty-print.c (dump_generic_node): Likewise.
2938 (op_prio): Likewise.
2939 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2940 * tree-ssa-operands.c (get_expr_operands): Added case for
2941 DOT_PROD_EXPR.
2942 * tree-vect-patterns.c (widened_name_p): New function.
2943 (vect_recog_dot_prod_pattern): Added function implementation.
2944 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2945 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2946 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2947 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2949 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2950 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2951 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2952 (init_optabs): Initialize new optabs widen_ssum_optab,
2953 widen_usum_optab.
2954 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2955 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2956 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2957 use instead of type of def.
2958 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2959 function implementation.
2960 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2961 widen_ssumv8hi): New.
2963 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2964 patterns.
2966 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2968 PR c/25805
2969 * c-decl.c (add_flexible_array_elts_to_size): New function.
2970 (finish_decl): Use it.
2972 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2974 * diagnostic.h: Include options.h.
2975 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2976 dependancies for diagnostic.h.
2977 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2979 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2981 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2982 (ssa_ro_call_cache_valid): Ditto.
2983 * tree-ssa-alias.c (sort_tags_by_id): New function.
2984 (init_transitive_clobber_worklist): Ditto.
2985 (add_to_worklist): Ditto.
2986 (mark_aliases_call_clobbered): Ditto.
2987 (compute_tag_properties): Ditto.
2988 (set_initial_properties): Ditto.
2989 (compute_call_clobbered): Ditto.
2990 (compute_may_aliases): Call compute_call_clobbered and grouping.
2991 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2992 (compute_flow_insensitive_aliasing): Grouping now happens in our
2993 caller.
2994 (setup_pointers_and_addressables): Remove clobbering related code.
2995 (add_may_alias): Ditto.
2996 (replace_may_alias): Ditto.
2997 (get_nmt_for): Ditto.
2998 (create_global_var):
2999 (is_escape_site): Return an escape_type enumeration.
3000 * tree-flow-inline.h (is_call_clobbered): Global var does not
3001 imply call clobbered.
3002 (mark_call_clobbered): Take a reason for marking this. Remove
3003 marking of globalness, and cache invalidation.
3004 (clear_call_clobbered): Remove cache invalidation code.
3005 * tree-dfa.c (dump_variable): If details is on, dump the reason
3006 for escaping.
3007 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3008 variable.
3009 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3010 (struct var_ann_d): Ditto.
3011 (enum escape_type): New.
3012 (mark_call_clobbered): Adjust prototype.
3013 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3014 are never call clobbered.
3015 Record reasons for escaping.
3016 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3017 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3018 (ssa_ro_call_cache_valid): Ditto.
3019 (clobbered_v_may_defs): Ditto.
3020 (clobbered_vuses): Ditto.
3021 (ro_call_vuses): Ditto.
3022 (clobber_stats): New.
3023 (init_ssa_operands): Zero out clobber stats.
3024 (fini_ssa_operands): Print out clobber stats.
3025 (get_call_expr_operands): Pass callee fndecl to
3026 add_call_read_ops).
3027 (add_call_clobber_ops): Remove use of cache.
3028 Add use of PURE_CONST information.
3029 (add_call_read_ops): Remove use of cache.
3030 Add use of static not_read information.
3032 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3034 Introduce TLS descriptors for i386 and x86_64.
3035 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3036 (TARGET_ANY_GNU_TLS): New macro.
3037 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3038 (struct machine_function): Add tls_descriptor_call_expanded_p.
3039 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3040 (ix86_current_function_calls_tls_descriptor): Likewise.
3041 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3042 (override_options): Introduce gnu2 tls dialect.
3043 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3044 not leaves.
3045 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3046 Likewise.
3047 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3048 (ix86_init_machine_status): Initialize new field.
3049 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3050 (ix86_tls_module_base): New.
3051 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3052 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3053 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3054 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3055 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3056 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3057 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3058 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3059 * config/i386/predicates.md (tls_modbase_operand): New.
3060 (tp_or_register_operand): New.
3062 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3064 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3065 (look_for_address_of): Ditto.
3066 (ipa_init): Walk the function decls.
3067 (static_execute): Don't set readonly on FUNCTION_DECL's.
3069 2006-01-18 Roger Sayle <roger@eyesopen.com>
3071 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3072 for shifts where the source and destination registers are different.
3074 2006-01-18 Paul Brook <paul@codesourcery.com>
3076 Merge from csl-arm-branch.
3077 2005-03-14 Julian Brown <julian@codesourcery.com>
3078 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3079 (aeabi_llsl): Likewise.
3080 (ashrdi3): Likewise.
3081 (aeabi_lasr): Likewise.
3082 (lshrdi3): Likewise.
3083 (aeabi_llsr): Likewise.
3084 2005-03-10 Julian Brown <julian@codesourcery.com>
3085 * config.gcc: Disable shared libgcc for SymbianOS.
3086 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3088 2006-01-18 DJ Delorie <dj@redhat.com>
3090 * c-pragma.c (handle_pragma_diagnostic): New.
3091 (init_pragma): Register it.
3092 * doc/extend.texi: Document it.
3094 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3095 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3096 (diagnostic_context): Add classify_diagnostic[].
3097 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3098 as errors if they're overridden to DK_WARNING.
3099 (diagnostic_initialize): Initialize classify_diagnostic[].
3100 (diagnostic_set_kind_override): New.
3101 (diagnostic_report_diagnostic): Check for kind changes.
3102 * opts.c (common_handle_option): Take lang_mask. Update callers.
3103 Handle OPT_Werror_.
3104 * common.opt (Werror=): New.
3105 * doc/invoke.texi: Document -Werror=*
3107 2006-01-18 Jeff Law <law@redhat.com>
3109 * tree-vrp.c (test_for_singularity): Correct test for new
3110 min limit. Use operand_equal_p rather than pointer equality
3111 for testing if new min/max values are equal.
3113 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3114 using range information until after propagation and folding.
3116 2006-01-18 Richard Henderson <rth@redhat.com>
3117 Aldy Hernandez <aldyh@redhat.com>
3118 Jakub Jelinek <jakub@redhat.com>
3119 Diego Novillo <dnovillo@redhat.com>
3121 * omp-low.c: New file.
3122 * c-omp.c: New file.
3124 2006-01-18 Richard Henderson <rth@redhat.com>
3125 Jakub Jelinek <jakub@redhat.com>
3126 Diego Novillo <dnovillo@redhat.com>
3128 * doc/invoke.texi: Document -fopenmp.
3129 * tree-dump.h (debug_function): Declare.
3130 * hooks.c (hook_bool_tree_bool_false): New function.
3131 (hook_tree_tree_null): Remove.
3132 (hook_tree_tree_tree_null): New.
3133 * hooks.h: Update to match.
3134 * tree-pretty-print.c (debug_tree_chain): New.
3135 (print_generic_expr): Handle TDF_CHAIN.
3136 (dump_generic_node): Handle BLOCK.
3137 Do not abort with incomplete SWITCH_EXPRs.
3138 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3139 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3140 print space after directive name.
3141 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3142 Handle OMP_MASTER and OMP_ORDERED.
3143 Handle printing of OMP_BODY just in one place, goto
3144 dump_omp_body in the rest of OMP_* nodes that have
3145 OMP_BODY.
3146 Don't handle clause nodes here. Update omp statements to
3147 use dump_omp_clauses.
3148 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3149 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3150 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3151 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3152 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3153 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3154 Adjust output for GOMP_PARALLEL.
3155 (dump_omp_clauses): New.
3156 (print_declaration): Dump DECL_VALUE_EXPR.
3157 (op_symbol_1): Split out of op_symbol.
3158 (dumping_stmts): Remove. Update all users.
3159 * cgraph.c (cgraph_analyze_queue): New.
3160 (cgraph_add_new_function): New.
3161 * cgraph.h (cgraph_analyze_queue): Declare.
3162 (cgraph_add_new_function): Declare.
3163 (cgraph_lower_function): Remove.
3164 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3165 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3166 and TYPE_P nodes in its default clause.
3167 (empty_body_p): New.
3168 (tree_range_check_failed): New.
3169 (build5_stat): New.
3170 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3171 OMP_CLAUSE_REDUCTION_MERGE,
3172 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3173 OMP_CLAUSE_PRIVATE_DEBUG,
3174 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3175 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3176 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3177 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3178 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3179 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3180 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3181 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3182 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3183 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3184 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3185 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3186 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3187 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3188 (TREE_RANGE_CHECK): New.
3189 (empty_body_p): Declare.
3190 (enum omp_clause_default_kind): New.
3191 (build_string_literal): Declare.
3192 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3193 (build5_stat, build5): Declare.
3194 * tree-pass.h (TDF_CHAIN): Define.
3195 * tree-pass.h (PROP_gimple_lomp): Define.
3196 (pass_lower_omp): Declare.
3197 * diagnostic.h (debug_tree_chain): Declare.
3198 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3199 mode_for_size.
3200 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3201 * builtins.c (build_string_literal): Make extern.
3202 * gcc.c (include_spec_function): New.
3203 (static_spec_functions): Add it.
3204 (main): Move load of libgomp.spec ...
3205 (LINK_COMMAND_SPEC): ... here.
3206 (link_gomp_spec): New.
3207 (static_specs): Include it.
3208 (LINK_COMMAND_SPEC): Add link_gomp.
3209 (GOMP_SELF_SPECS): New.
3210 (driver_self_specs): Include it.
3211 (switch_matches): Don't mark inline.
3212 (main): Load libgomp.spec.
3213 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3214 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3215 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3216 * tree-gimple.h (enum omp_parallel): Declare.
3217 (determine_parallel_type): Declare.
3218 (omp_firstprivatize_variable): Declare.
3219 (omp_reduction_init): Declare.
3220 (diagnose_omp_structured_block_errors): Declare.
3221 (struct walk_stmt_info): Add want_return_expr.
3222 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3223 (find_omp_clause): Declare.
3224 (insert_field_into_struct): Declare.
3225 (struct walk_stmt_info): Move from tree-nested.c
3226 (walk_stmts): Declare.
3227 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3228 to 200505.
3229 * cgraphunit.c (cgraph_lower_function): Make static.
3230 (cgraph_finalize_pending_functions): New.
3231 (cgraph_finalize_function): Call it.
3232 (cgraph_finalize_compilation_unit): Likewise.
3233 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3234 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3235 (BT_FN_UINT_UINT): New.
3236 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3237 DEF_FUNCTION_TYPE_VAR_4): Document.
3238 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3239 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3240 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3241 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3242 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3243 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3244 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3245 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3246 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3247 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3248 into separate files.
3249 (DEF_GOMP_BUILTIN): New.
3250 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3251 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3252 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3253 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3254 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3255 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3256 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3257 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3258 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3259 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3260 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3261 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3262 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3263 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3264 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3265 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3266 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3267 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3268 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3269 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3270 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3271 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3272 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3273 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3274 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3275 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3276 * sync-builtins.def: New file, moved from builtins.def.
3277 * omp-builtins.def: New file, moved from builtins.def.
3278 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3279 * gimple-low.c (lower_function_body): Clear data.
3280 (lower_stmt): Do not handle COMPOUND_EXPR.
3281 Remove call to print_node_brief.
3282 * c-tree.h (c_finish_omp_clauses): New prototype.
3283 (C_DECL_THREADPRIVATE_P): Define.
3284 (lookup_name_no_remap, c_omp_remap_private): Remove
3285 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3286 (check_for_loop_decls): Update decl.
3287 (lookup_name_no_remap, c_omp_remap_private): Declare.
3288 (build_indirect_ref, build_modify_expr, pushdecl,
3289 pushdecl_top_level): Move to c-common.h.
3290 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3291 before the switch, but just in the 2 places that need it.
3292 * c-decl.c (diagnose_mismatched_decls): Do not check for
3293 mismatched thread-local attributes when OLDDECL is marked
3294 threadprivate and NEWDECL has no thread-local attributes.
3295 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3296 (c_gimple_diagnostics_recursively): Rename from
3297 c_warn_unused_result_recursively. Invoke
3298 diagnose_omp_structured_block_errors.
3299 (check_for_loop_decls): Return a singular decl found.
3300 * langhooks.c (lhd_omp_predetermined_sharing): Return
3301 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3302 (lhd_omp_firstprivatize_type_sizes): New.
3303 (lhd_omp_assignment): New.
3304 (lhd_omp_predetermined_sharing): New.
3305 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3306 (struct lang_hooks_for_types): Add
3307 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3308 omp_predetermined_sharing, omp_disregard_value_expr,
3309 omp_private_debug_clause, omp_clause_default_ctor,
3310 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3311 (c_finish_omp_clauses): New.
3312 (c_finish_bc_stmt): Diagnose break within omp for.
3313 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3314 (build_unary_op): Return error_mark after reporting
3315 a readonly_error.
3316 (build_modify_expr): Likewise.
3317 * gimplify.c: Include optabs.h and pointer-set.h.
3318 (enum gimplify_omp_var_data): Declare.
3319 (struct gimplify_omp_ctx): Declare.
3320 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3321 and combined_ctxp.
3322 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3323 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3324 (splay_tree_compare_decl_uid): New.
3325 (new_omp_context): New.
3326 (delete_omp_context): New.
3327 (gimple_add_tmp_var): Call omp_add_variable.
3328 (gimplify_bind_expr): Likewise.
3329 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3330 true, disregard DECL_VALUE_EXPR on the decl if any.
3331 (gimplify_expr_in_ctx): New.
3332 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3333 omp_add_variable, omp_notice_variable, omp_is_private
3334 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3335 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3336 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3337 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3338 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3339 gimplify_omp_atomic): New.
3340 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3341 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3342 OMP_CRITICAL and OMP_ATOMIC.
3343 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3344 * c-pragma.h (enum pragma_kind): Add
3345 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3346 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3347 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3348 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3349 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3350 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3351 PRAGMA_OMP_THREADPRIVATE.
3352 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3353 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3354 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3355 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3356 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3357 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3358 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3359 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3360 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3361 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3362 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3363 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3364 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3365 OpenMP directives.
3366 (struct nesting_info): Add field_map,
3367 suppress_expansion, debug_var_chain.
3368 (create_nesting_tree): Initialize them.
3369 (lookup_field_for_decl): Use field_map.
3370 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3371 (convert_local_omp_clauses): New.
3372 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3373 (walk_body): Split out of walk_function.
3374 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3375 (convert_nonlocal_reference): Handle omp statements.
3376 (convert_local_reference): Likewise.
3377 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3378 (unnest_nesting_tree): New.
3379 (lower_nested_functions): Call it.
3380 (insert_field_into_struct): Make extern.
3381 (struct walk_stmt_info): Move to tree-gimple.h.
3382 (walk_stmts): Make extern.
3383 * omp-builtins.def: New file.
3384 * tree-iterator.c (expr_only): Clarify comment.
3385 * c-common.h (pushdecl_top_level, pushdecl,
3386 build_modify_expr, build_indirect_ref,
3387 c_finish_omp_master, c_finish_omp_critical,
3388 c_finish_omp_ordered, c_finish_omp_barrier,
3389 c_finish_omp_atomic, c_finish_omp_flush,
3390 c_finish_omp_for, c_split_parallel_clauses,
3391 omp_clause_default_kind, c_omp_sharing_predetermined,
3392 c_omp_remap_decl): Declare.
3393 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3394 (OBJS-common): Add omp-low.o.
3395 (c-omp.o, omp-low.o): Add.
3396 (gimplify.o): Add dependency on $(OPTABS_H).
3397 (GTFILES): Add omp-low.c.
3398 (gt-stringpool.h): Add.
3399 * tree-cfg.c (set_bb_for_stmt): Do not update the
3400 block-to-labels map if we are currently expanding to RTL.
3401 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3402 checks.
3403 Handle IDENTIFIER_NODE.
3404 (tree_verify_flow_info): Do not ICE when emitting error
3405 messages about invalid labels.
3406 (dump_function_to_file): Reset CFUN before emitting the body
3407 of the function.
3408 (debug_function): New.
3409 * passes.c (init_optimization_passes): Schedule
3410 pass_lower_omp.
3411 * langhooks-def.h (lhd_omp_predetermined_sharing,
3412 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3413 Declare.
3414 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3415 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3416 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3417 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3418 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3419 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3420 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3421 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3422 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3423 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3424 (LANG_HOOK_DECLS): Use them.
3426 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3427 Richard Henderson <rth@redhat.com>
3428 Jakub Jelinek <jakub@redhat.com>
3429 Diego Novillo <dnovillo@redhat.com>
3431 * c-parser.c (pragma_omp_clause): Define.
3432 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3433 (c_parser_compound_statement): Likewise.
3434 (c_parser_statement): Likewise.
3435 (c_parser_pragma): Handle omp pragmas.
3436 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3437 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3438 (c_parser_omp_clause_name, check_no_duplicate_clause,
3439 c_parser_omp_variable_list,
3440 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3441 c_parser_omp_clause_copyprivate,
3442 c_parser_omp_clause_default,
3443 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3444 c_parser_omp_clause_lastprivate,
3445 c_parser_omp_clause_nowait,
3446 c_parser_omp_clause_num_threads,
3447 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3448 c_parser_omp_clause_reduction,
3449 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3450 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3451 c_parser_omp_atomic, c_parser_omp_barrier,
3452 c_parser_omp_critical, c_parser_omp_flush,
3453 c_parser_omp_for_loop, c_parser_omp_for,
3454 c_parser_omp_master, c_parser_omp_ordered,
3455 c_parser_omp_sections_scope, c_parser_omp_sections,
3456 c_parser_omp_parallel, c_parser_omp_single,
3457 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3458 * c-pragma.c (init_pragma): Do omp pragma registration here.
3459 * c.opt (fopenmp): New flag.
3461 2006-01-18 Eric Christopher <echristo@apple.com>
3463 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3464 * config/darwin.h (GOMP_SELF_SPECS): Define.
3466 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3468 * rtl.h: Remove the prototype for reg_alloc.
3470 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3472 PR target/25731
3473 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3474 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3475 sjlj and dwarf2 exception handling.
3476 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3477 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3478 * pa/pa.c (function_value): Treat complex and vector types as
3479 aggregates.
3480 (function_arg): Likewise. Only pass scalar floats in the floating
3481 point argument registers.
3482 * pa/t-slibgcc-dwarf-ver: New file.
3483 * pa/t-slibgcc-sjlj-ver: New file.
3484 * pa/t-slibgcc-elf-ver: Delete file.
3486 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3488 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3489 unlikely_test_section_p test.
3491 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3493 * mode-switching.c (optimize_mode_switching): Make it static.
3494 * basic-block.h: Remove the prototype for
3495 optimize_mode_switching.
3497 * modulo-sched.c (sms_schedule): Make it static.
3498 * rtl.h: Remove the prototype for sms_schedule.
3500 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3501 * rtl.h: Remove the prototype for gcse_after_reload_main.
3503 * reg-stack.c (reg_to_stack): Make it static.
3504 * rtl.h: Remove the prototype for reg_to_stack.
3506 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3507 Make them static.
3508 * rtl.h: Remove the prototypes for regrename_optimize and
3509 copyprop_hardreg_forward.
3511 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3513 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3514 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3515 Test against the appropriate null constant for the mode.
3516 If 'fixup_overlap' is true, swap the operands if they overlap.
3517 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3518 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3519 alpha_split_tmode_pair and adjust for above change.
3520 * config/alpha/alpha.md (movtf_internal): Adjust call to
3521 alpha_split_tfmode_pair and rely on it to swap the operands.
3522 (movti_internal): New insn and post-reload splitter.
3523 (movti): New expander.
3525 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3527 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3528 operands.
3530 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3532 * rtlanal.c (global_reg_mentioned_p_1,
3533 global_reg_mentioned_p): Remove.
3534 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3536 * flow.c (initialize_uninitialized_subregs): Make it static.
3537 * rtl.h: Remove the prototype for
3538 initialize_uninitialized_subregs.
3540 * function.c (instantiate_virtual_regs): Make it static.
3541 * function.h: Remove the prototype for
3542 instantiate_virtual_regs.
3544 * regmove.c (regmove_optimize, combine_stack_adjustments):
3545 Make them static.
3546 * rtl.h: Remove the prototypes for regmove_optimize and
3547 combine_stack_adjustments.
3549 2006-01-17 Roger Sayle <roger@eyesopen.com>
3551 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3552 (size_cost): Encode costs in bytes so that a reg-reg addition is
3553 equivalent to COSTS_N_INSNS(1).
3554 (override_options): Use the size_cost.branch_cost as the default
3555 ix86_branch_cost when optimizing for size.
3557 2006-01-18 Ben Elliston <bje@au.ibm.com>
3559 * Makefile.in (D32PBIT_FUNCS): New.
3560 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3561 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3562 D64PBIT_FUNCS and D128PBIT_FUNCS.
3563 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3564 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3565 D128PBIT are set.
3566 (decnumber_dep): Define.
3567 * doc/libgcc.texi (Decimal float library routines): New node.
3568 * config/dfp-bit.h, config/dfp-bit.c: New files.
3570 2006-01-18 Ben Elliston <bje@au.ibm.com>
3572 * expr.c (emit_move_change_mode): Always adjust addresses, not
3573 just during reload. Copy replacements only during reload.
3574 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3575 emit_move_via_integer.
3577 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3579 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3580 instead of $(srcdir) and ${srcdir}.
3582 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3584 PR target/592
3585 PR middle-end/11135
3586 * arm.h (struct machine_function): Add pic_reg.
3587 * arm.c (arm_pic_register): Make unsigned.
3588 (arm_override_options): Only set arm_pic_register if
3589 TARGET_SINGLE_PIC_BASE.
3590 (use_return_insn): Only test for a pic register if it is fixed.
3591 (arm_compute_save_reg0_reg12_mask): Likewise.
3592 (thumb_compute_save_reg_mask): Likewise.
3593 (legitimate_pic_operand): Factor out some known invariants.
3594 (legitimize_pic_address): If we don't have a fixed pic register,
3595 then set up a pseudo in the function entry sequence. Handle the
3596 pic base being in a pseudo.
3597 (arm_load_pic_register): Handle the pic register being in a pseudo.
3598 (arm_expand_prologue): Only set up the pic register if it is fixed.
3599 (thumb_expand_prologue): Likewise.
3600 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3601 (pic_load_addr_based_insn): Likewise.
3602 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3603 fixed.
3605 2006-01-18 Ben Elliston <bje@au.ibm.com>
3607 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3608 decimal float modes for all floating point registers.
3610 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3611 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3613 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3615 PR c/25682
3616 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3617 even when the pointer is not NULL.
3619 2006-01-16 Ian Lance Taylor <ian@airs.com>
3621 * common.opt (ftoplevel-reorder): New option.
3622 * cgraph.c (cgraph_asm_nodes): New global variable.
3623 (cgraph_asm_last_node): New static variable.
3624 (cgraph_order): New global variable.
3625 (cgraph_create_node): Set new order field.
3626 (cgraph_varpool_node): Likewise.
3627 (decide_is_variable_needed): Return true if not
3628 flag_toplevel_reorder.
3629 (cgraph_add_asm_node): New function.
3630 * cgraph.h (struct cgraph_node): Add order field.
3631 (struct cgraph_varpool_node): Add order field.
3632 (struct cgraph_asm_node): Define.
3633 (cgraph_asm_nodes, cgraph_order): Declare.
3634 (cgraph_add_asm_node): Declare.
3635 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3636 function.
3637 (cgraph_varpool_assemble_pending_decls): Call it.
3638 (cgraph_output_pending_asms): New static function.
3639 (cgraph_finalize_compilation_unit): Call it.
3640 (struct cgraph_order_sort): Define.
3641 (cgraph_output_in_order): New static function.
3642 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3643 !flag_toplevel_reorder case.
3644 * c-parser.c: Include "cgraph.h".
3645 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3646 assemble_asm.
3647 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3648 than -fno-unit-at-a-time.
3649 * doc/invoke.texi (Option Summary): Mention
3650 -fno-toplevel-reorder.
3651 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3652 -funit-at-a-time documentation.
3654 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3655 Kazu Hirata <kazu@codesourcery.com>
3657 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3659 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3661 * Makefile.in (FUNCTION_H): New. Use it instead of
3662 function.h throughout the file.
3663 * function.h: Include tree.h.
3665 2006-01-17 Ben Elliston <bje@au.ibm.com>
3667 * recog.c: Separate some functions with whitespace.
3669 2006-01-16 Richard Henderson <rth@redhat.com>
3671 Merge from gomp branch:
3672 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3673 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3674 and rename from struct inline_data. Rename callee* to dst*;
3675 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3676 transform_new_cfg, transform_return_to_modify, and
3677 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3678 update_clones_p.
3679 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3680 (copy_decl_for_dup): Remove.
3681 * tree-inline.c (struct inline_data): Move to header.
3682 (insert_decl_map): Export.
3683 (remap_decl): Update for member name changes. Use copy_decl hook.
3684 Allow for replacement to be a non-decl. Remove dead code.
3685 (remap_type_1): Check for existing mapping.
3686 (remap_type): Export.
3687 (remap_decls): Update for member name changes.
3688 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3689 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3690 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3691 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3692 (tree_function_versioning, build_duplicate_type): Likewise.
3693 (copy_body_r): Likewise. Export.
3694 (copy_decl_for_dup): Split into ...
3695 (copy_decl_for_dup_finish, copy_decl_to_var,
3696 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3697 (replace_ref_tree, inlining_p): Remove.
3699 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3701 * ifcvt.c (if_convert): Make it static.
3702 * rtl.h: Remove the prototype for if_convert.
3704 * local-alloc.c (local_alloc): Make it static.
3705 * rtl.h: Remove the prototype for local_alloc.
3707 * loop.c (loop_optimize): Make it static.
3708 * cfgloop.h: Remove the prototype for loop_optimize.
3709 * rtl.h: Likewise.
3711 2006-01-16 DJ Delorie <dj@redhat.com>
3713 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3714 mems.
3716 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3718 * pa.md: Disparage copies between general and floating-point registers
3719 in 32-bit move patterns.
3721 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3723 PR testsuite/25741
3724 * Makefile.in (check-%): Depend on site.exp instead of
3725 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3726 directories.
3728 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3730 * global.c (global_alloc): Make it static.
3731 * rtl.h: Remove the prototype for global_alloc.
3733 2006-01-16 Richard Guenther <rguenther@suse.de>
3735 * tree-ssa-alias.c (struct used_part): Add write_only field.
3736 (get_or_create_used_part_for): Initialize it to true.
3737 (create_overlap_variables_for): Don't create structure variables
3738 for structures that only are written to.
3739 (find_used_portions): Handle MODIFY_EXPR to track whether a
3740 structure is only written to.
3742 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3744 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3745 static.
3746 * basic-block.h: Remove the prototype for
3747 partition_hot_cold_basic_blocks.
3749 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3751 * cppspec.c (lang_specific_spec_functions): Remove.
3752 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3753 * gcc.h (lang_specific_spec_functions): Remove.
3754 * gccspec.c (lang_specific_spec_functions): Remove.
3756 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3758 * combine.c (record_value_for_reg): Invalidate registers
3759 if INSN is null.
3760 (record_dead_and_set_regs_1): Likewise, by passing them to
3761 record_value_for_reg.
3762 (record_dead_and_set_regs): Invalidate stores made by a
3763 call. We do not combine across a call, but we still
3764 relied on equivalences.
3766 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3768 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3769 vrp_int_const_binop returning non-constant nodes.
3771 2006-01-16 Paul Brook <paul@codesourcery.com>
3773 * config/m68k/m68k.c (output_move_const_into_data_reg):
3774 Output correct mnemonic for mvz and mvs.
3776 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3778 * rtl-factoring.c: Add sequence abstraction algorithm.
3779 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3780 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3781 ABNORMAL edges.
3782 (block_has_preserve_label): New function.
3783 * common.opt: Register new pass.
3784 * Makefile.in: Ditto.
3785 * passes.c: Ditto.
3786 * timevar.def: Ditto.
3787 * tree-pass.h: Ditto.
3788 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3789 * rtl.h (make_jump_insn_raw): Add forward decl.
3790 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3792 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3793 Roger Sayle <roger@eyesopen.com>
3795 * fold-const.c (fold_minmax): New static function.
3796 (fold_binary) <MIN_EXPR>: Call it.
3797 <MAX_EXPR>: Likewise.
3798 * stor-layout.c (place_field): Use DECL_SIZE consistently
3799 in the computation of the new record size.
3801 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3803 * cse.c (cse_condition_code_reg): Make it static.
3804 * rtl.h: Remove the prototype for cse_condition_code_reg.
3806 * combine.c (combine_instructions): Make it static.
3807 * rtl.h: Remove the prototype for combine_instructions.
3809 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3811 PR target/25168
3812 * tree.c (get_file_function_name_long): Concatenate the first global
3813 object name with a string derived from the input filename of the object
3814 for type "F".
3816 2006-01-16 Ben Elliston <bje@au.ibm.com>
3818 * config/i386/winnt-stubs.c: Update FSF address.
3819 * config/xtensa/ieee754-df.S: Ditto.
3820 * config/xtensa/ieee754-sf.S: Ditto.
3822 2006-01-14 Ian Lance Taylor <ian@airs.com>
3824 * ifcvt.c (noce_init_if_info): New static function, broken out of
3825 noce_process_if_block.
3826 (noce_process_if_block): Call noce_init_if_info.
3827 (check_cond_move_block): New static function.
3828 (cond_move_process_if_block): New static function.
3829 (process_if_block): Call cond_move_process_if_block.
3831 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3833 * cselib.c (hash_table): Rename to cselib_hash_table.
3834 (cselib_clear_table, discard_useless_values,
3835 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3836 cselib_init, cselib_finish): Adjust uses of hash_table.
3838 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3840 PR tree-optimization/25485
3841 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3842 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3843 is known to be false and true, respectively.
3845 2006-01-14 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/22548
3848 PR tree-optimization/22555
3849 PR tree-optimization/22501
3850 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3851 * params.def (salias-max-array-elements): New parameter.
3852 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3853 * doc/invoke.texi (salias-max-array-elements): Document.
3854 * tree-flow-inline.h (var_can_have_subvars): We also handle
3855 arrays now.
3856 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3857 COMPONENT_REF.
3858 * tree-ssa-structalias.c (params.h): Include.
3859 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3860 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3861 (get_constraint_for): For ADDR_EXPR operating on something
3862 containing an ARRAY_REF, add all subvars to the solution.
3863 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3864 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3865 for creating MUST_DEFs.
3866 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3868 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3870 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3871 functions.
3872 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3873 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3874 number_of_iterations_le): New functions.
3875 (number_of_iterations_special): Removed.
3876 (number_of_iterations_exit): Do not use number_of_iterations_special.
3877 * tree.c (unsigned_type_for): Always return integer type.
3879 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3880 Richard Guenther <rguenther@suse.de>
3882 PR rtl-optimization/24257
3883 * gcse.c (find_moveable_store): Only consider a store movable
3884 when the SET_SRC of the insn can be assigned to a register.
3886 2006-01-14 Ian Lance Taylor <ian@airs.com>
3888 * tree.c (tree_not_class_check_failed): New function.
3889 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3890 (tree_not_class_check_failed): Declare.
3892 2006-01-13 Ian Lance Taylor <ian@airs.com>
3894 * reload1.c (do_output_reload): Add assertion rejecting a
3895 CALL_INSN.
3897 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3899 * combine.c (struct reg_stat): Add new fields truncation_label and
3900 truncated_to_mode.
3901 (record_value_for_reg): Reset truncated_to_mode.
3902 (record_truncated_value): New function.
3903 (check_promoted_subreg): Call it. Rename to check_conversions.
3904 (combine_instructions): Rename check_promoted_subreg to
3905 check_conversions.
3906 (reg_truncated_to_mode): New function.
3907 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3908 (gen_lowpart_or_truncate): New function.
3909 (force_to_mode): Use it instead of gen_lowpart.
3911 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3913 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3914 VAR is a tag, not its type tag.
3916 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3918 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3919 alternatives to match style of other entries.
3920 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3922 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3924 PR tree-optimization/25771
3925 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3926 SSA_NAMES.
3928 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3930 PR tree-opt/24365
3931 * tree-inline.c (declare_return_variable): If the return variable
3932 was marked as a non gimple complex, set the return slot variable
3933 to be a non gimple comple variable.
3935 2006-01-13 Richard Guenther <rguenther@suse.de>
3937 * builtins.c (expand_builtin_sincos): New function.
3938 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3939 do not set errno.
3940 (expand_builtin): Expand sincos using expand_builtin_sincos.
3942 2006-01-12 DJ Delorie <dj@redhat.com>
3944 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3945 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3946 so that constant shifts can be split.
3947 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3948 (m32c_valid_pointer_mode): Make static.
3949 (shift_gen_func_for): New.
3950 (m32c_prepare_shift): Use it. Split large const shifts into
3951 multiple shifts.
3952 * config/m32c/predicates.md (shiftcount_operand): Allow more
3953 general operands.
3954 (longshiftcount_operand): New.
3955 * doc/md.texi (Machine Constraints): Document In6.
3957 2006-01-13 Ben Elliston <bje@au.ibm.com>
3959 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3960 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3961 documentation.
3963 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3965 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3966 to try to avoid clobbering pieces of structures when we know
3967 something about the whole structure.
3968 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3970 2006-01-13 Ben Elliston <bje@au.ibm.com>
3972 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3973 return in memory, as this is no limitation is no longer present.
3975 2006-01-12 DJ Delorie <dj@redhat.com>
3977 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3978 mova with fb, and for fb+0 -> An.
3980 * config/m32c/mov.md (peephole2): Fix enabling logic.
3982 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3983 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3984 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3985 FINI_ARRAY_SECTION_ASM_OP): Define.
3987 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3988 variable.
3989 (m32c_legitimize_reload_address): New logic to reload FB to An.
3990 (m32c_output_reg_push): Add newline.
3991 (m32c_output_reg_pop): Likewise.
3993 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3995 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3997 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3999 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4001 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4003 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4004 match_code.
4006 2006-01-11 Ben Elliston <bje@au.ibm.com>
4008 * rtlanal.c (find_reg_note): Assert insn is not null.
4010 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4012 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4013 ifdef.
4015 2006-01-11 Jeff Law <law@redhat.com>
4017 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4018 hold edge pairs.
4019 (mark_threaded_blocks, register_jump_thread): New functions.
4020 (thread_through_all_blocks): Remove unwanted argument. No
4021 longer rely on e->aux to communicate thread target info.
4022 Call mark_threaded_blocks. Release the threaded_blocks
4023 bitmap and threaded_edges vector when complete.
4024 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4025 (threaded_blocks): Remove.
4026 (tree_ssa_dominator_optimize): Remove initialization and
4027 finalization of threaded_blocks. Simplify call to
4028 thread_through_all_blocks.
4029 (thread_across_edge): Call register_jump_thread rather than
4030 storing thread information into e->aux.
4031 (free_all_edge_infos): Simplify now that e->aux is no longer
4032 used to communicate with thread_through_all_blocks.
4033 * tree-flow.h (thread_through_all_blocks): Update prototype.
4034 (register_jump_thread): Prototype.
4036 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4038 * df-core.c (df_compact_blocks, df_bb_replace): Use
4039 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4041 2006-01-11 Richard Guenther <rguenther@suse.de>
4043 PR tree-optimization/25734
4044 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4045 stop propagation after successful propagation to the LHS.
4047 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4049 * basic-block.h (control_flow_graph): Change the type of
4050 x_basic_block_info to VEC(basic_block,gc) *.
4051 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4052 basic_block_info.
4053 (SET_BASIC_BLOCK): New.
4054 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4055 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4056 * cfgbuild.c (find_basic_blocks): Likewise.
4057 * cfglayout.c (fixup_reorder_chain): Likewise.
4058 * cfgrtl.c (create_basic_block_structure,
4059 rtl_create_basic_block): Likewise.
4060 * ifcvt.c (find_if_case_1): Likewise.
4061 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4062 Likewise.
4064 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4066 * Makefile.in: Removed rotted odf.c entry.
4068 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4070 PR target/25706
4071 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4072 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4073 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4074 output pattern modifier, not %e.
4075 * config/cris/cris.c (cris_op_str): Update comment about pattern
4076 modifier.
4077 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4078 before falling through into...
4079 <case 'E'>: Redefined from old 'e' case.
4081 2006-01-11 Jan Hubicka <jh@suse.cz>
4083 PR target/25042
4084 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4086 2006-01-11 Jan Hubicka <jh@suse.cz>
4088 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4089 * i386.c (x86_decompose_lea): Kill.
4090 (ix86_rtx_costs): Kill.
4092 2006-01-11 Jan Hubicka <jh@suse.cz>
4094 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4095 * cgraph.h (cgraph_node): Add inline_decl.
4096 (cgraph_insert_node_to_hashtable): Declare.
4097 (save_inline_function_body): Declare.
4098 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4099 clones.
4100 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4101 (cgraph_function_versioning): Update call of tree_function_versioning.
4102 (save_inline_function_body): New function.
4103 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4104 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4105 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4106 (cgraph_default_inline_p): Likewise.
4107 (cgraph_decide_inlining_incrementally): Likewise.
4108 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4109 (copy_bb): Kill saving; do updating of clones.
4110 (copy_cfg_body): Kill saving.
4111 (initialize_inlined-parameters): Likewise.
4112 (expand_call_inline): Likewise.
4113 (save_body): Kill.
4114 (tree_function_versioning): New parameter "update_clones".
4115 (inlining_p): Kill saving.
4116 * tree-inline.h (tree_function_versioning): Update prototype.
4117 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4118 saving.
4120 2006-01-11 Ian Lance Taylor <ian@airs.com>
4122 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4123 Allow undoing set of machine mode.
4124 (do_SUBST): Use enums instead of is_int.
4125 (do_SUBST_MODE): New function.
4126 (SUBST_MODE): New macro.
4127 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4128 reg and trying to replace reg_regno_rtx with a new register.
4129 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4130 (simplify_set): Use SUBST_MODE.
4131 (distribute_notes): Remove code that tried to update reg notes
4132 for regno_reg_rtx changes.
4134 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4136 PR tree-optimization/23109
4137 PR tree-optimization/23948
4138 PR tree-optimization/24123
4140 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4141 * tree-cfg.c (single_noncomplex_succ): New.
4142 * tree-flow.h (single_noncomplex_succ): Declare it.
4143 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4144 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4145 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4146 insert_bb, register_division_in, insert_reciprocals,
4147 replace_reciprocal, free_bb): New.
4148 (execute_cse_reciprocals_1): Rewritten.
4149 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4150 Do not commit any edge insertion. Always compute dominators and
4151 create the allocation pool.
4152 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4153 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4154 * targhooks.c (default_min_divistions_for_recip_mul): New.
4155 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4156 * passes.c (init_optimization_passes): Run recip after tree loop
4157 optimizations.
4158 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4160 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4161 Kenneth Zadeck <zadeck@naturalbridge.com>
4163 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4164 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4165 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4166 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4167 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4168 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4169 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4170 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4171 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4172 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4173 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4174 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4175 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4176 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4177 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4178 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4179 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4180 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4181 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4182 DF_SCAN_POST_ALLOC): New macros.
4183 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4184 df_free_bb_function, df_local_compute_function, df_init_function,
4185 df_dataflow_function, df_confluence_function_0,
4186 df_confluence_function_n, df_transfer_function,
4187 df_finalizer_function, df_free_function, df_dump_problem_function,
4188 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4189 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4190 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4191 df_urec_bb_info, ) New types.
4192 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4193 variables.
4194 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4195 df_analyze_simple_change_some_blocks,
4196 df_analyze_simple_change_one_block, df_compact_blocks,
4197 df_bb_replace, df_bb_regno_last_use_find,
4198 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4199 df_insn_regno_def_p, df_find_def, df_find_use,
4200 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4201 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4202 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4203 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4204 debug_df_chain, df_get_dependent_problem, df_chain_create,
4205 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4206 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4207 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4208 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4209 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4210 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4211 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4212 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4213 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4214 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4215 df_reorganize_refs, df_set_state, df_hard_reg_init,
4216 df_read_modify_subreg_p) New public functions.
4217 * df-core.c: The core dataflow solver and glue routines for rtl
4218 dataflow.
4219 (df_init, df_add_problem, df_set_blocks, df_finish,
4220 df_hybrid_search_forward, df_hybrid_search_backward,
4221 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4222 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4223 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4224 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4225 df_reg_defined, df_find_use, df_reg_used, df_dump,
4226 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4227 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4228 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4229 debug_df_useno, reset_df_after_reload): New functions.
4230 * df-scan.c: The scanning fuctions, once in df.c, completely
4231 rewritten so that they now fully model the functionality of
4232 register usage at the backend.
4233 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4234 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4235 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4236 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4237 df_get_artificial_defs, df_get_artificial_uses,
4238 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4239 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4240 df_refs_delete, df_reorganize_refs, df_set_state,
4241 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4242 df_def_record_1, df_defs_record, df_uses_record,
4243 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4244 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4245 df_record_exit_block_uses, df_hard_reg_init): New functions.
4247 * df-problems.c: Seven concrete dataflow problems that use the
4248 scanning in df-scan.c and are solved by the engine in df-core.c.
4249 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4250 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4251 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4252 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4253 df_ru_free_bb_info, df_ru_alloc,
4254 df_ru_bb_local_compute_process_def,
4255 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4256 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4257 df_ru_transfer_function, df_ru_free, df_ru_dump,
4258 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4259 df_rd_free_bb_info, df_rd_alloc,
4260 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4261 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4262 df_rd_transfer_function, df_rd_free, df_rd_dump,
4263 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4264 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4265 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4266 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4267 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4268 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4269 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4270 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4271 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4272 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4273 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4274 df_urec_mark_reg_use_for_earlyclobber,
4275 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4276 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4277 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4278 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4279 df_chain_create_bb_process_use, df_chain_create_bb,
4280 df_chain_finalize, df_chain_free, df_chains_dump,
4281 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4282 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4283 df_reg_lifetime): New functions.
4284 * df.c: Deleted file.
4285 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4286 consistent with new df api.
4287 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4288 rest_of_handle_sms): Ditto.
4289 * web.c (unionfind_union, union_defs, entry_register, web_main):
4290 Ditto.
4291 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4292 invariant_expr_equal_p, find_defs, check_dependencies,
4293 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4294 free_inv_motion_data, move_loop_invariants): Ditto.
4295 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4296 Update dependencies.
4297 (odf.c): Added defective entry that was deleted later in day.
4298 * sched-deps.c (sched_analyze_1): Ditto.
4300 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4302 * tree-ssa-operands.c (get_expr_operands): Record addressable
4303 variables directly. Do not call add_stmt_operands for CONST_DECLs
4304 and ARRAY_DECLs.
4305 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4306 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4308 2006-01-11 Ben Elliston <bje@au.ibm.com>
4310 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4311 function returns true in the positive case.
4313 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4315 PR target/20754
4316 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4317 for SI, DI, SF and DF modes. Add alternatives to copy between
4318 general and floating point registers to the 32-bit patterns.
4319 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4320 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4321 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4322 generating 64-bit code.
4323 * config/pa/pa.c (output_move_double): Handle copies between general
4324 and floating registers.
4326 2006-01-10 Stuart Hastings <stuart@apple.com>
4328 * config/i386/i386.md (set_got): Update.
4329 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4330 (builtin_setjmp_receiver): Mach-O support.
4331 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4332 (GOT_SYMBOL_NAME): Define.
4333 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4334 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4335 * config/i386/i386.c (override_options): Revise for Darwin.
4336 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4337 support. (darwin_x86_file_end): New. (output_set_got): Add label
4338 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4339 * config/i386/i386-protos.h (output_set_got): Likewise.
4340 * config/darwin.c (machopic_legitimize_pic_address): Update
4341 regs_ever_live[].
4343 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4345 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4346 when MODE isn't BLKmode.
4348 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4350 PR rtl-optimization/25367
4351 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4353 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4355 PR target/25718
4356 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4357 for a negative bound.
4359 2006-01-10 Richard Guenther <rguenther@suse.de>
4361 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4362 Never override with anything constraint.
4364 2006-01-10 Jan Beulich <jbeulich@novell.com>
4366 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4367 256 bits when optimize_size.
4369 2006-01-10 Jan Beulich <jbeulich@novell.com>
4371 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4372 MASK_ALIGN_DOUBLE.
4373 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4374 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4375 arguments.
4377 2006-01-10 Ben Elliston <bje@au.ibm.com>
4379 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4380 float modes.
4381 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4382 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4383 (USE_FP_FOR_ARG): Reject decimal float modes.
4384 (function_arg_advance): Likewise.
4385 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4386 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4387 point types in AltiVec vectors.
4388 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4389 (rs6000_libcall_value): Likewise.
4391 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4393 * config/xtensa/ieee754-df.S: New file.
4394 * config/xtensa/ieee754-sf.S: New file.
4395 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4396 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4397 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4399 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4401 * config/sh/predicates.md (binary_float_operator,
4402 binary_logical_operator, commutative_float_operator,
4403 equality_comparison_operator, greater_comparison_operator,
4404 less_comparison_operator, logical_operator,
4405 noncommutative_float_operator, shift_operator,
4406 symbol_ref_operand, unary_float_operator): Remove redundant
4407 conditionals.
4409 2006-01-09 Jeff Law <law@redhat.com>
4411 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4412 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4413 now unused arguments. Callers updated.
4414 (eliminate_redundant_computations): Remove now unused arguments,
4415 callers updated.
4416 (local_fold): Remove, no longer used.
4417 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4418 and moved to...
4419 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4420 (simplify_cond): New function.
4421 (forward_propagate_into_cond): Call simplify_cond.
4423 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4425 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4426 (*vec_extractv2di_1_sse): New.
4428 2006-01-09 Ben Elliston <bje@au.ibm.com>
4430 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4432 2006-01-08 Richard Guenther <rguenther@suse.de>
4434 * tree-ssa-structalias.c (get_constraint_for): Remove
4435 anyoffset argument.
4436 (get_constraint_for_component_ref): Likewise.
4437 (do_deref): Likewise.
4438 (get_constraint_for): Likewise.
4439 (do_structure_copy): Likewise.
4440 (handle_ptr_arith): Likewise.
4441 (find_func_aliases): Likewise. Remove unused need_anyoffset
4442 variable.
4444 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4445 Kaz Kojima <kkojima@gcc.gnu.org>
4447 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4448 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4449 (EXTRA_CONSTRAINT_C16): Remove.
4450 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4451 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4452 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4453 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4454 constants of SHmedia. Handle nested constant expressions of
4455 SHmedia correctly.
4456 (andcosts): Fix the costs for SHmedia constants.
4457 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4458 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4459 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4460 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4461 (movv4hi_i, movv2si_i): Likewise.
4462 (movsi_const): Adjust the second operand of ior so to match with
4463 the Csu constraint.
4464 (movdi_const, movdi_const_32bit): Likewise.
4465 (movdi_const_16bit+1): Don't sign-extend LOW.
4466 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4467 step.
4468 (*double_shori): Fix the split condition. Use GEN_INT instead
4469 of get_int_mode calls. Mask lower 16-bit of the argument of
4470 the last GEN_INT.
4471 (sym2GOTPLT): Remove.
4472 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4473 gen_rtx_UNSPEC.
4474 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4475 instead of EXTRA_CONSTRAINT_C16.
4477 2006-01-07 Ian Lance Taylor <ian@airs.com>
4478 David Edelsohn <edelsohn@gnu.org>
4480 PR rtl-optimization/25662
4481 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4482 for constant operands instead of simplify_gen_binary.
4483 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4484 after trying simplify_binary_operation
4486 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4488 * tree.c (iterative_hash_expr): Hash decls based on UID.
4490 2006-01-06 Eric Christopher <echristo@apple.com>
4492 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4493 (TARGET_UNWIND_EMIT): Fix spelling.
4494 * target.h (gcc_target): Add except_table_label.
4495 * except.c (output_function_exception_table): Use.
4496 * varasm.c (default_emit_except_table_label): New.
4497 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4498 define.
4499 (asm_out): Add here.
4500 * output.h (default_emit_except_table_label): Prototype.
4501 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4502 * config/darwin.c (darwin_emit_except_table_label): Define.
4503 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4505 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4507 PR tree-optimization/18527
4508 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4509 number_of_iterations_special, number_of_iterations_exit):
4510 Move base and step of an iv to a single structure. Add
4511 no_overflow flag, and use it in # of iterations analysis.
4512 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4513 folded_casts argument.
4514 (simple_iv): Pass base and step in a structure. Set no_overflow
4515 flag.
4516 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4517 Evaluate expensiveness of computing # of iterations instead of
4518 the final expression.
4519 * tree-scalar-evolution.h (affine_iv): New structure.
4520 (simple_iv): Declaration changed.
4521 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4522 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4523 find_givs_in_stmt): Changed due to simple_iv change.
4525 2006-01-06 Jeff Law <law@redhat.com>
4527 PR ada/24994
4528 * tree-cfg.c (bsi_replace): Rename final argument from
4529 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4530 change (stmt -> orig_stmt).
4531 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4532 (bsi_remove): Add new argument. Remove EH information
4533 if requested.
4534 (verify_eh_throw_table_statements): New function.
4535 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4536 updated.
4537 * tree-optimize.c (execute_free_cfg_annotations): Verify
4538 the EH throw statement table after removing annotations.
4539 * except.h (verify_eh_throw_table_statements): Prototype.
4540 * tree-flow.h (bsi_remove): Update prototype.
4541 * tree-vrp.c (remove_range_assertions): Add new argument to
4542 bsi_remove call.
4543 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4544 * tree-complex.c (expand_complex_div_wide): Likewise.
4545 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4546 * tree-tailcall.c (eliminate_tailcall): Likewise.
4547 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4548 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4549 * tree-nrv.c (tree_nrv): Likewise.
4550 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4551 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4552 (combine_blocks): Likewise.
4553 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4554 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4555 (cleanup_control_flow): Likewise.
4556 (remove_forwarder_block): Likewise.
4557 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4558 * tree-sra.c (sra_replace): Likewise.
4559 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4560 (forward_propagate_single_use_vars): Likewise.
4561 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4562 * tree-inline.c (expand_call_inline): Likewise.
4563 * tree-vect-transform.c (vect_transform_loop): Likewise.
4564 * tree-outof-ssa.c (rewrite_trees): Likewise.
4565 * tree-cfg.c (make_goto_expr_edges): Likewise.
4566 (cleanup_dead_labels): Likewise.
4567 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4568 (bsi_move_before, bsi_move_after): Likewise.
4569 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4570 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4572 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4574 PR tree-opt/25528
4575 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4576 and IMAGPART_EXPR.
4577 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4578 on non gimple variables. Also add checks at the top for decls and
4579 mtags.
4580 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4581 complex types.
4582 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4583 and IMAGPART_EXPR for creating MUST_DEFs.
4584 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4585 and NAME_MEMORY_TAG separately from the DECLs.
4587 2006-01-06 Richard Guenther <rguenther@suse.de>
4589 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4590 annotation, if necessary.
4591 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4592 redundant calls to update_stmt.
4593 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4594 Likewise.
4596 2006-01-05 Richard Henderson <rth@redhat.com>
4598 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4600 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4602 * c-typeck.c: Update copyright date.
4604 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4606 * c-typeck.c (build_c_cast): Always warn when casting
4607 from a pointer to an integer of different size, even if
4608 the node was constant.
4610 2006-01-05 Richard Guenther <rguenther@suse.de>
4612 PR tree-optimization/22555
4613 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4614 if one structure field is an array.
4615 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4616 operands even if we found a subvar, but ignore VOPs in this
4617 case.
4618 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4619 for renaming.
4620 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4622 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4624 PR middle-end/24998
4625 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4627 2006-01-05 Richard Guenther <rguenther@suse.de>
4628 Diego Novillo <dnovillo@redhat.com>
4630 * tree-pass.h (TODO_remove_unused_locals): Define.
4631 * gimple-low.c (expand_var_p, remove_useless_vars,
4632 pass_remove_useless_vars): Remove. Update all users.
4633 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4634 (remove_unused_locals): New function.
4635 * tree-flow.h (remove_unused_locals): Declare.
4636 * passes.c (execute_todo): Call remove_unused_locals if
4637 TODO_remove_unused_locals is set.
4638 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4639 * tree-ssa-dce.c (pass_dce): Likewise.
4640 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4642 2006-01-05 Richard Guenther <rguenther@suse.de>
4644 * tree-flow.h (struct fieldoff): Decompose field to
4645 type, size and decl.
4646 * tree-ssa-alias.c (create_sft): Take type as parameter.
4647 (create_overlap_variables_for): Store type, size and decl
4648 in the fieldoff structure.
4649 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4650 of struct fieldoff.
4651 (push_fields_onto_fieldstack): Likewise.
4652 (create_variable_info_for): Likewise. Use offset for the
4653 SFT name if the decl is not available.
4655 2006-01-04 Paul Brook <paul@codesourcery.com>
4657 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4659 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4661 * lambda-code.c (can_put_in_inner_loop): Relax
4662 restrictions.
4663 (can_put_after_inner_loop): New function.
4664 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4665 (perfect_nestify): Change to make copies and modify uses.
4667 2006-01-04 Richard Henderson <rth@redhat.com>
4669 Merge from gomp branch:
4670 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4671 via integer constant.
4672 (pragma_lex): Remove.
4673 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4674 rather than parsing it.
4675 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4676 handle_pragma_extern_prefix): Add %< %> quotes.
4677 (registered_pragmas): New.
4678 (c_register_pragma_1): New.
4679 (c_register_pragma): Use it.
4680 (c_register_pragma_with_expansion): Likewise.
4681 (c_invoke_pragma_handler): New.
4682 (init_pragma): Use cpp_register_deferred_pragma directly for
4683 pch_preprocess.
4684 * c-pragma.h (enum pragma_kind): New.
4685 (pragma_handler): New.
4686 (c_invoke_pragma_handler): Declare.
4687 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4688 CPP_PRAGMA_EOL.
4689 * c-common.h (c_common_pch_pragma): Update decl.
4690 * Makefile.in (c-parser.o): Update dependencies.
4691 (GTFILES): Add c-pragma.h.
4692 * c-parser.c (struct c_token): Add pragma_kind.
4693 (struct c_parser): Add in_pragma.
4694 (c_lex_one_token): Always initialize keyword and pragma_kind.
4695 Extract data for CPP_PRAGMA.
4696 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4697 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4698 Don't allow CPP_PRAGMA_EOL if in_pragma.
4699 (c_parser_consume_pragma): New.
4700 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4701 (c_parser_skip_to_end_of_parameter): Likewise.
4702 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4703 (c_parser_skip_to_pragma_eol): New.
4704 (c_parser_external_declaration): Handle CPP_PRAGMA.
4705 (c_parser_compound_statement_nostart): Likewise.
4706 (c_parser_statement_after_labels): Likewise.
4707 (c_parser_pragma): New.
4708 (pragma_lex): Likewise.
4709 (c_parser_pragma_pch_preprocess): New.
4710 (c_parser_new): Merge into ...
4711 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4713 2006-01-04 Jeff Law <law@redhat.com>
4715 PR ada/24994
4716 * tree-cfg.c (bsi_replace): Remove the original statement
4717 from the EH throw statement table.
4719 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4721 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4722 make the prototype extern "C" and add throw ().
4724 PR target/25554
4725 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4726 and pos non-negative and pos + len <= 32.
4727 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4728 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4729 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4731 PR c/25559
4732 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4733 as well as sizes not multiple of component size.
4735 PR debug/25562
4736 * function.c (instantiate_expr): New function.
4737 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4738 walk its DECL_VALUE_EXPR with instantiate_expr.
4740 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4741 DW_OP_deref{,_size} if address isn't going to be added.
4743 2006-01-04 Ben Elliston <bje@au.ibm.com>
4745 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4746 * config/fp-bit.c: Likewise.
4748 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4750 * dominance.c: Add comment about why we use DFS numbering
4751 of dominance tree.
4753 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4754 Richard Henderson <rth@redhat.com>
4756 Merge from gomp-branch:
4757 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4758 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4760 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4762 PR rtl-optimization/25578
4763 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4764 pass a parameter to simplify_shift_const if changing ASHIFTRT
4765 to LSHIFTRT.
4767 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4769 * builtins.c (get_builtin_sync_mem): New function.
4770 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4771 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4772 Call get_builtin_sync_mem to generate mem rtx.
4774 2006-01-03 Richard Guenther <rguenther@suse.de>
4776 PR c/25183
4777 * stmt.c (add_case_node): Make sure to clear overflow flags
4778 from ranges.
4780 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4782 Merge from gomp-branch.
4783 * config/sparc/sync.md: New file.
4784 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4785 UNSPECV_LDSTUB): New constants.
4786 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4787 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4788 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4789 prototype.
4791 2006-01-03 Roger Sayle <roger@eyesopen.com>
4793 * combine.c (reg_subword_p): New predicate to test whether the
4794 destination of a set refers to a subword/piece of a register.
4795 (try_combine): Generalize the code to merge the setting of a
4796 pseudo to a constant followed by a set of a subword of that
4797 register to a constant.
4799 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4801 * basic-block.h (control_flow_graph): Change the type of
4802 x_label_to_block_map to VEC(basic_block,gc) *.
4803 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4804 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4806 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4807 VEC(basic_block,heap) *.
4808 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4809 ssa_prop_fini): Adjust the uses of cfg_blocks.
4811 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4813 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4814 COMPONENT_REFs.
4815 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4816 hashing trees instead of a pointer hash.
4817 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4818 compare for MEM_EXPR.
4820 PR rtl-optimization/25130
4821 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4822 when comparing MEMs for GCSE
4824 2006-01-03 Ben Elliston <bje@au.ibm.com>
4826 * targhooks.h (default_decimal_float_supported_p): Declare.
4827 * targhooks.c (default_decimal_float_supported_p): Define.
4828 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4829 `default_decimal_float_supported_p'.
4830 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4832 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4834 * combine.c (apply_distributive_law <SUBREG>): Check
4835 TRULY_NOOP_TRUNCATION.
4837 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4839 * dwarf2out.c (have_switched_text_section): Delete.
4840 (have_multiple_function_sections): New.
4841 (have_location_lists): Make 'bool'.
4842 (add_AT_loc_list): Use 'true' not '1'.
4843 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4844 (output_loc_list): Use have_multiple_function_sections.
4845 (output_ranges): Likewise.
4846 (dwarf2out_begin_function): Set have_multiple_function_sections if
4847 necessary.
4848 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4849 Check function_section rather than DECL_SECTION_NAME.
4850 (dwarf2out_finish): Use have_multiple_function_sections.
4851 Don't clear have_location_lists.
4853 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4854 Jan Hubicka <jh@suse.cz>
4856 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4857 case of conditional jump jumping to the next instruction.
4858 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4859 cases of conditional jump jumping to the next instruction.
4861 2006-01-02 Jan Hubicka <jh@suse.cz>
4863 * i386.c (*_cost): Add COSTS_N_INSNS.
4864 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4866 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4868 PR target/25259
4869 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4871 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4873 * config/arm/arm.c (all_fpus): Fix comment typo.
4874 * config/darwin.c: Likewise.
4875 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4876 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4877 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4879 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4881 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4882 (rs6000_split_compare_and_swapqhi): New.
4883 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4884 (sync_compare_and_swapqhi_internal): New.
4885 * config/rs6000/rs6000-protos.h: Declare.