| blob | 5d8c43cebbfeebeb7122bb0ba28f0311897ce088 |
1 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3 PR rtl-optimization/26184
4 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5 uses_of_defs.
6 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8 must_precede, must_follow and tobe_scheduled.
10 PR other/26147
11 * opts.c (common_handle_option): Free new_option pointer.
12 * df-core.c (df_analyze): Free postorder pointer.
14 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16 * Makefile.in: Fix the examples about the use of stamps
18 2006-02-15 Michael Matz <matz@suse.de>
20 PR middle-end/22275
22 * stor-layout.c (layout_decl): Zero-width bitfields aren't
23 influenced by maximum_field_alignment or DECL_PACKED.
24 (update_alignment_for_field): Ditto.
25 (place_field): Ditto.
26 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
27 this behaviour.
29 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
31 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
32 (debug_flow_info): Pass it.
33 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
34 * bb-reorder.c (reorder_basic_blocks): Likewise.
35 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
36 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
37 * flow.c (life_analysis, recompute_reg_usage): Likewise.
38 * gcse.c (gcse_main, bypass_jumps): Likewise.
39 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
40 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
41 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
42 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
43 * rtl.h (dump_flow_info): Adjust prototype.
44 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
45 * var-tracking.c (variable_tracking_main): Likewise.
46 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
47 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
48 options.
50 2006-02-15 Marcin Dalecki <martin@dalecki.de>
52 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
53 construction.
55 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
57 PR tree-optimization/26209
58 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
59 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
60 eh edges.
61 * tree-cfg.c (replace_uses_by): Do not alter cfg.
63 2006-02-14 Roger Sayle <roger@eyesopen.com>
65 PR middle-end/23670
66 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
67 (X,Y) and the corresponding symmetry related transformations.
68 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
69 (X,Y) and its symmetry related transformations.
71 2006-02-14 Roger Sayle <roger@eyesopen.com>
73 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
74 and GEU.
76 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
78 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
80 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
82 PR bootstrap/26053
83 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
84 support COMDAT group.
85 * configure: Regenerate.
87 2006-02-14 Roger Sayle <roger@eyesopen.com>
89 PR middle-end/26279
90 PR middle-end/26280
91 PR middle-end/26283
92 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
94 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
96 Fix PR tree-optimization/26260
98 * doc/invoke.texi (max-fields-for-field-sensitive): Document
99 param.
100 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
101 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
102 * tree-ssa-structalias.c (create_variable_info_for): Use
103 MAX_FIELDS_FOR_FIELD_SENSITIVE.
105 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
107 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
108 Document.
109 * tree-ssa-loop-niter.c (number_of_iterations_ne,
110 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
111 of the ending condition.
112 * tree-ssa-loop-manip.c: Include params.h.
113 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
114 tree_unroll_loop): New functions.
115 * tree-pass.h (pass_loop_prefetch): Declare.
116 * loop.c (rest_of_handle_loop_optimize): Test for
117 -fprefetch-loop-arrays-rtl.
118 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
119 * timevar.def (TV_TREE_PREFETCH): New timevar.
120 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
121 pass_loop_prefetch): New.
122 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
123 (cleanup_tree_cfg_loop): Call scev_reset.
124 * common.opt (fprefetch-loop-arrays-rtl): Add.
125 * tree-ssa-loop-prefetch.c: New file.
126 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
127 (new_temp_expr_table): Initialize expr_vars.
128 (free_temp_expr_table): Cleanup expr_vars.
129 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
130 expressions from being merged into one.
131 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
132 (struct tree_niter_desc): Add control, bound and cmp fields.
133 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
134 Declare.
135 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
136 (tree-cfgcleanup.o): Add SCEV_H dependency.
137 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
138 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
140 2006-02-14 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/26258
143 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
144 in PHI argument processing.
146 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
148 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
149 new expression in the requested machine mode.
151 2006-02-13 Roger Sayle <roger@eyesopen.com>
153 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
154 directly, instead let do_compare_rtx_and_jump handle this for us.
155 * expr.c (expand_expr_real_1): Likewise.
156 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
157 before do_jump_by_parts_greater.
158 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
159 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
161 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
163 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
165 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
167 PR rtl-optimization/26235
168 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
169 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
170 format.
172 2006-02-13 Jeff Law <law@redhat.com>
174 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
175 TRUTH_XOR_EPR.
177 2006-02-13 Jakub Jelinek <jakub@redhat.com>
179 PR middle-end/26092
180 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
181 twice if decl is a builtin. When trying again, call get_callee_fndecl
182 first to verify it is still a builtin.
184 2006-02-13 Geoffrey Keating <geoffk@apple.com>
186 * dwarf2out.c (base_type_die): Don't add AT_name here.
187 (subrange_type_die): Don't add AT_name here.
188 (modified_type_die): Rearrange code flow. Do add AT_name here.
190 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
192 PR rtl-optimization/26247
193 PR rtl-optimization/26248
194 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
196 2006-02-13 Richard Sandiford <richard@codesourcery.com>
198 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
199 * config/fixtfdi.c: Likewise.
200 * config/fixunstfdi.c: Likewise.
201 * config/floatditf.c: Likewise.
203 2006-02-13 Roger Sayle <roger@eyesopen.com>
205 PR middle-end/24427
206 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
207 into (X,C2) if C1 is a subset of the bits of C2. Transform
208 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
209 (X&(C1&~C2))|C2.
210 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
212 2006-02-13 Josh Conner <jconner@apple.com>
214 PR target/25376
215 * varasm.c (function_section): Check for section name before
216 calling select_section on targets that define
217 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
218 unlikely_text_section instead of hot_function_section if
219 first_function_block_is_cold.
221 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
223 PR middle-end/25335
224 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
226 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
228 PR rtl-optimization/26222
229 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
230 after tree->rtl expansion.
231 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
232 before passing it to emit_move_insn.
234 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
236 * doc/invoke.texi (-Write-strings): Document that it is enabled by
237 default.
238 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
239 Clarify documentation.
240 * c-common.h (warn_write_strings): Remove.
241 * c-common.c (warn_write_strings): Likewise.
242 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
243 default for C++.
245 2006-02-12 Roger Sayle <roger@eyesopen.com>
247 PR middle-end/25724
248 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
249 (do_jump_parts_zero_rtx): New function renamed from
250 do_jump_parts_equality_rtx. Made static. Add a mode argument.
251 (do_jump_parts_equality_rtx): New function split out from
252 do_jump_parts_equality. Old implementation renamed as above.
253 Call do_jump_parts_zero_rtx if either operand is zero.
254 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
255 do all of the heavy lifting.
256 (do_compare_rtx_and_jump): Handle multi-word comparisons by
257 calling either do_jump_by_parts_greater_rtx or
258 do_jump_by_parts_equality_rtx.
259 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
260 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
261 moved to do_compare_rtx_and_jump, call it directly.
262 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
263 mode argument. Call do_compare_rtx_and_jump.
264 (emit_case_nodes): Update calls to do_jump_if_equal.
266 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
268 PR rtl-optimization/26225
269 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
271 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
273 PR rtl-optimization/26232
274 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
276 2006-02-11 Jason Merrill <jason@redhat.com>
278 PR tree-opt/24365
279 * tree-inline.c (declare_return_variable): Just don't use the
280 modify target if it's a gimple complex reg and the return slot
281 isn't.
283 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * doc/contrib.texi: Update my entry.
287 2006-02-10 Geoffrey Keating <geoffk@apple.com>
289 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
291 2006-02-10 Diego Novillo <dnovillo@redhat.com>
293 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
294 expensive.
296 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
298 * doc/invoke.texi (-floop-optimize2): Removed.
299 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
300 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
301 Test flag_branch_on_count_reg only if HAVE_doloop_end.
302 * common.opt (floop-optimize2): Removed.
303 (fmove-loop-invariants): Enabled by default.
305 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
307 * tree-if-conv.c (combine_blocks): Free the result of
308 get_loop_exit_edges.
310 2006-02-10 Jeff Law <law@redhat.com>
312 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
314 PR tree-optimization/26213
315 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
316 loop trying to follow SSA_NAME_VALUE chains.
318 2006-02-10 Richard Guenther <rguenther@suse.de>
320 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
321 deal with structures that end in implicitly variable sized arrays.
323 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
325 PR rtl-optimization/24762
326 * df-scan.c (df_bb_refs_record): Record correct registers defined on
327 eh edges.
329 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
331 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
332 (struct ivopts_data): Add regs_used field.
333 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
334 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
335 instead of loop_data->regs_used;
336 (free_loop_data): Do not free aux fields for loops.
337 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
338 and tree_ssa_iv_optimize_finalize.
340 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
342 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
344 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
346 PR target/26141
347 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
348 computing the effective result type.
350 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
352 PR inline-asm/16194
353 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
354 (tree_overlaps_hard_reg_set): Declare.
355 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
356 type and signature to match function type expected by walk_tree.
357 (tree_overlaps_hard_reg_set): New function.
358 (decl_conflicts_with_clobbers_p): Rename to:
359 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
360 Use tree_overlaps_hard_reg_set. Changed caller.
361 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
362 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
363 * cris.c (cris_md_asm_clobbers): Likewise.
365 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
367 * reload1.c (emit_input_reload_insns): Delete code that tries to
368 inherit using find_equiv_reg.
370 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
372 * c-common.h (flag_const_strings): Don't declare.
373 * c-common.c (flag_const_strings): Remove.
374 * c.opt (fconst_strings): Remove.
375 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
376 <OPT_Wwrite_strings>: Don't set flag_const_strings.
377 (c_common_init_options): Don't set flag_const_strings.
378 * doc/invoke.texi (-fno-const-strings): Remove documentation.
380 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
382 * arm.md (tlobits_cbranch): New pattern.
383 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
384 testing a single bit.
386 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
388 PR tree-opt/26179
389 * tree-ssa-pre.c (create_component_ref_by_pieces):
390 Handle RETURN_DECL like VAR_DECL.
392 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
394 PR middle-end/26134
395 * fold-const.c (fold_indirect_ref_1): Fold
396 "*(foo *)&complexfoo" to "__real__ complexfoo"
397 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
399 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
401 * tree-flow-inline.h (var_can_have_subvars):
402 Volatile variables should not have subvariables.
404 2006-02-09 Diego Novillo <dnovillo@redhat.com>
406 PR 26180
407 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
408 multiplying unsigned values.
409 Tidy comments.
411 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
413 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
415 2006-02-08 Jason Merrill <jason@redhat.com>
417 PR c++/25979
418 * tree.def: Elaborate on difference from MODIFY_EXPR.
419 * doc/c-tree.texi (INIT_EXPR): Likewise.
420 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
421 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
422 (gimplify_target_expr): Likewise.
423 (gimplify_cond_expr): Remove target handling.
424 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
425 (gimplify_expr): Clobber it here.
426 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
427 Do return slot optimization if we have an INIT_EXPR.
429 PR tree-opt/24365
430 * tree-inline.c (declare_return_variable): Also clear
431 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
433 PR c++/16405
434 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
436 PR middle-end/22439
437 * gimplify.c (gimplify_one_sizepos): Fix typo.
439 2006-02-08 Jeff Law <law@redhat.com>
441 PR tree-optimization/21417
442 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
443 across a backedge if the control statement at the end of the
444 block is data dependent on other statements in the same block.
445 (record_temporary_equivalences_from_stmts): Remove over-conservative
446 test for threading across backedges.
448 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
449 control statement, handle all three special cases in the same
450 manner as they all have the same desired solution. No longer
451 special case edge flag updating when the post dominator is
452 the exit block.
454 2006-02-08 Roger Sayle <roger@eyesopen.com>
456 * tree.def (CHAR_TYPE): Remove.
457 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
458 * dwarf2out.c (base_type_die, is_base_type): Likewise.
459 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
460 (gen_string_type_die): Delete unreachable function.
462 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
463 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
464 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
465 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
466 * builtins.c (type_to_class): Likewise.
467 * fold-const.c (fold_convert, build_range_check,
468 merge_ranges): Likewise.
469 * expr.c (count_type_elements): Likewise.
470 * c-pretty-print.c (pp_c_type_specifier): Likewise.
471 * stor-layout.c (layout_type): Likewise.
472 * ipa-type-escape.c (type_to_consider): Likewise.
473 * gimplify.c (omp_firstprivatize_type_sizes,
474 gimplify_type_sizes): Likewise.
475 * explow.c (promote_mode): Likewise.
476 * tree-sra.c (is_sra_scalar_type): Likewise.
477 * varasm.c (output_constant): Likewise.
478 * tree-inline.c (remap_type_1): Likewise.
479 * convert.c (convert_to_pointer, convert_to_real,
480 convert_to_integer, convert_to_complex): Likewise.
482 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
484 * df-scan.c (df_def_record_1): A set destination may
485 be a parallel regardless of mode.
487 2006-02-08 Roger Sayle <roger@eyesopen.com>
489 PR target/22209
490 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
491 * config/mips/_tilib.c: Remove.
492 * config/fixtfdi.c: New libgcc source file.
493 * config/fixunstfdi.c: New source file.
494 * config/floatditf.c: New source file.
495 * config/floatunditf.c: New souce file.
496 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
497 files above instead of config/mips/_tilib.c.
498 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
500 2006-02-08 Jeff Law <law@redhat.com>
502 PR tree-optimization/26169
503 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
504 threading jumps.
506 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
508 * df.h (DF_REG_SIZE): Return the length of the initialized
509 part of the array.
511 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
513 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
514 __muldf3): Return a correctly signed zero.
516 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
518 * passes.c (register_one_dump_file): Accept the current properties
519 instead of pass number. Adjust call to dump_register. Remove
520 duplicated code.
521 (register_dump_files): Now a wrapper around...
522 (register_dump_files_1): ... this one. Do not modify the pass
523 structure.
524 (next_pass_1): Cosmetic fix.
525 (execute_todo): Keep second parameter only. Use curr_properties
526 instead of fetching it from the pass structure. Check and set
527 last_verified.
528 (execute_one_pass): Handle TODO_set_props. Use curr_properties
529 instead of fetching it from the pass structure. Fix calls to
530 execute_todo. Update curr_properties and initialize .vcg RTL dump
531 after running the pass. Reset last_verified.
532 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
533 at the beginning.
534 (FIRST_AUTO_NUMBERED_DUMP): New.
535 (dump_register): Remove "num" parameter, assign it within the
536 function.
537 (get_dump_file_name): Modify template for dumps.
538 * tree-dump.h (dump_register): Adjust prototype.
539 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
540 (PROP_trees): Add PROP_gimple_lomp.
541 (TODO_set_props): New.
542 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
543 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
544 * cfgexpand.c (pass_expand): Destroy PROP_trees.
546 2006-02-08 Jakub Jelinek <jakub@redhat.com>
548 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
549 (sparc64-*-linux*): Likewise.
550 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
551 * config/sparc/t-linux: New file.
552 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
553 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
554 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
555 -m32 -mlong-double-128.
557 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
558 * config/alpha/t-linux: New file.
559 * config/alpha/libgcc-alpha-ldbl.ver: New file.
561 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
562 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
563 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
564 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
565 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
566 (CPP_ARCH32_SPEC): Remove.
568 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
570 PR tree-optimization/26145
571 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
572 bbs pointer.
574 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
576 PR target/26109
577 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
578 >= 240000 when generating code for SOM runtime.
579 (output_indirect_call): Don't use "b,l" instruction for indirect calls
580 to $$dyncall when generating code for SOM runtime..
582 2006-02-07 Dirk Mueller <dmueller@suse.com>
584 PR c++/18150
585 * doc/invoke.texi (-Wsequence-point): Update documentation
586 that -Wsequence-point is implemented for C++ as well.
588 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
590 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
591 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
592 (LIB_SPEC): Likewise.
593 * doc/invoke.texi (SPARC options): Document -pthread.
595 2006-02-07 Geoffrey Keating <geoffk@apple.com>
597 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
598 PIC addresses.
600 2006-02-07 Roger Sayle <roger@eyesopen.com>
602 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
603 Correct comment describing BOOLEAN_TYPE.
605 2006-02-07 Dirk Mueller <dmueller@suse.com>
607 * c.opt: C++ frontend supports -Wdiv-by-zero.
608 * c-opts.c (c_common_handle_option): Remove dead case.
610 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
612 * configure.ac (TLS assembler check): Do not enable TLS by
613 default on SPARC/Solaris before version 10.
614 * configure: Regenerate.
616 2006-02-07 David Edelsohn <edelsohn@gnu.org>
618 * doc/invoke.texi (xl-compat): Document conversion and support
619 routine names.
621 2006-02-07 Jeff Law <law@redhat.com>
623 * tree-vrp.c (find_conditional_asserts): Update comments.
624 (simplify_stmt_for_jump_threading): New.
625 (identify_jump_threads, finalize_jump_threads): New.
626 (vrp_finalize): Call identify_jump_threads.
627 (execute_vrp): Call finalize_jump_threads.
628 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
629 (vrp_element, vrp_data, vrp_element_p): Remove.
630 (vrp_hash_elt, vrp_variables_stack): Remove.
631 (vrp_hash, vrp_eq, record_range): Remove.
632 (simplify_cond_and_lookup_avail_expr): Remove.
633 (extract_range_from_cond): Remove.
634 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
635 (simplify_stmt_for_jump_threading): New.
636 (dom_thread_across_edge): New wrapper.
637 (tree_ssa_dominator_optimize): No longer initialize or
638 finalize any of the VRP datastructures. Remove iteration
639 step and simplify as a result of removal of iteration step.
640 (pass_dominator): Perform a cfg cleanup after DOM.
641 (dom_opt_finalize_block): Use the new common routines
642 for threading jumps. Simplify stack management slightly.
643 No longer need to unwind VRP state.
644 (record_equivalences_from_incoming_edge): No longer record
645 VRP information.
646 (eliminate_redundant_computations): No longer call
647 simplify_cond_and_lookup_avail_expr.
648 * tree-flow.h (potentially_threadable_block): Prototype.
649 (thread_across_edge): Likewise.
650 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
651 (tree-ssa-threadedge.o): Add dependencies.
652 * tree-ssa-threadedge.c: New file.
653 * passes.c (init_optimization_passes): Merge PHIs before
654 calling VRP. Run VRP again late in the SSA optimization pipeline.
656 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
658 * df-core.c (df_set_blocks): Do not dereference function pointers.
659 (df_finish1): Likewise.
660 (df_hybrid_search_forward): Likewise.
661 (df_hybrid_search_backward): Likewise.
662 (df_iterative_dataflow): Likewise.
663 (df_analyze_problem): Likewise.
664 (df_compact_blocks): Likewise.
665 (df_dump): Likewise.
666 * df-scan.c (df_rescan_blocks): Likewise.
667 (df_record_entry_block_defs): Likewise.
669 * genconditions.c (write_conditions): Guard the definition of
670 'insn_conditions' with the check on GCC version.
671 (write_writer): Guard the traversal 'insn_conditions' with
672 the check on GCC version.
674 2006-02-07 Richard Guenther <rguenther@suse.de>
676 PR c++/26140
677 Revert
678 2006-01-30 Richard Guenther <rguenther@suse.de>
679 PR c++/23372
680 * gimplify.c (gimplify_target_expr): Handle easy cases
681 without creating a temporary.
683 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
685 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
686 use of float in probability computations. Use edge probabilities
687 in place of statically computed probabilities.
688 (min_spec_prob): New static variable.
689 (schedule_insns): Initialize it.
690 (GET_SRC_PROB): Removed.
691 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
693 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
695 PR debug/24444
696 * config/ia64/unwind-ia64.c: Revert last change.
697 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
698 (INCOMING_FRAME_SP_OFFSET): Define.
700 2006-02-06 Roger Sayle <roger@eyesopen.com>
702 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
704 2006-02-07 Ben Elliston <bje@au.ibm.com>
706 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
707 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
708 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
709 (ix86_return_in_memory): Handle TDmode.
710 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
711 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
713 2006-02-06 Richard Sandiford <richard@codesourcery.com>
715 * reorg.c (dbr_schedule): Use dump_file instead of file.
717 2006-02-06 Steve Ellcey <sje@cup.hp.com>
719 PR target/25917
720 * config/ia64/predicates.md (extr_len_operand): New predicate.
721 * config/ia64/ia64.md (extv): Tighten constraints.
722 (extzv): Ditto.
723 (*tbit_and_2): Ditto.
724 (*tbit_and_3): Ditto.
725 (*tbit_or_2): Ditto.
726 (*tbit_or_3): Ditto.
727 (*bit_zero): Ditto.
728 (*bit_one): Ditto.
730 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
732 PR target/23359
733 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
735 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
737 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
738 loop_optimizer_init and loop_optimizer_finalize
739 * tree-ssa-sink.c (execute_sink_code): Ditto.
740 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
741 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
742 tree_ssa_loop_done): Ditto.
743 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
744 * sched-ebb.c: Include output.h.
745 (schedule_ebbs): Do not use dump argument.
746 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
747 * loop.c (loop_dump_stream): Removed.
748 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
749 argument.
750 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
751 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
752 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
753 loop_iterations, strength_reduce, record_biv, record_giv,
754 final_giv_value, check_final_value, check_ext_dependent_givs,
755 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
756 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
757 dump_file instead of loop_dump_stream.
758 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
759 argument dump_file.
760 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
761 dump argument.
762 * flow.c (life_analysis, rest_of_handle_life): Ditto.
763 * haifa-sched.c: Include output.h
764 (schedule_insns, sched_init): Do not use dump argument.
765 * mode-switching.c (optimize_mode_switching): Ditto.
766 * modulo-sched.c (stats_file): Removed.
767 (print_node_sched_params): Do not call argument dump_file.
768 (sms_schedule_by_order, loop_canon_p, sms_schedule,
769 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
770 of stats_file.
771 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
772 use dump argument.
773 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
774 rtl_loop_init, rtl_loop_done): Ditto.
775 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
776 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
777 Ditto.
778 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
779 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
780 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
781 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
782 * emit-rtl.c (renumber_insns): Ditto.
783 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
784 expand_gimple_basic_block, tree_expand_cfg): Ditto.
785 * regclass.c (regclass): Ditto.
786 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
787 remove_ssa_form, rewrite_out_of_ssa): Ditto.
788 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
789 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
790 Ditto.
791 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
792 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
793 to regclass.
794 * gcse.c (gcse_file, debug_stderr): Removed.
795 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
796 rest_of_handle_gcse): Do not use dump argument.
797 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
798 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
799 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
800 compute_code_hoist_vbeinout, compute_code_hoist_data,
801 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
802 compute_store_table, build_store_vectors, insert_insn_start_bb,
803 insert_store, remove_reachable_equiv_notes, replace_store_insn,
804 store_motion): Use dump_file instead of gcse_file.
805 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
806 * profile.c (profile_dump_file): Removed.
807 (branch_prob): Use dump_file instead of profile_dump_file.
808 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
809 dump_file.
810 * tree-ssa-copy.c (dump_copy_of): Ditto.
811 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
812 dump file to life_analysis.
813 * bt-load.c (branch_target_load_optimize): Ditto.
814 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
815 renumber_insns.
816 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
817 regclass, dbr_schedule): Declaration changed.
818 * sched-int.h (sched_init): Declaration changed.
819 * tree-profile.c (tree_profile_dump_file): Removed.
820 (tree_profile_hooks): Removed profile_dump_file hook.
821 * rtl-profile (rtl_profile_dump_file): Removed.
822 (rtl_profile_hooks): emoved profile_dump_file hook.
823 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
824 changed.
825 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
826 * tree-cfg.c (build_tree_cfg): Ditto.
827 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
828 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
829 Declaration changed.
830 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
831 life_analysis and schedule_insns.
832 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
833 life_analysis.
834 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
835 dbr_schedule.
836 * config/mips/mips.c (mips_reorg): Ditto.
837 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
838 schedule_ebbs.
840 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
842 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
843 (s390_mangle_fundamental_type): New.
844 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
845 Define.
847 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
848 (alpha_mangle_fundamental_type): New.
849 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
850 Define.
852 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
853 Define.
854 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
855 Define.
856 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
857 (sparc_mangle_fundamental_type): New.
859 2006-02-06 Jakub Jelinek <jakub@redhat.com>
861 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
862 (s390x-*-linux*): Likewise.
863 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
864 * config/s390/t-linux: New file.
866 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
868 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
869 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
871 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
873 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
874 (ANTIC_SAFE_LOADS): New macro.
875 (find_or_generate_expression): Add prototype.
876 (set_contains_value): Allow null set for sake of not always having
877 to allocate ANTIC_SAFE_LOADS.
878 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
879 Allow COMPONENT_REF too.
880 (valid_in_set): Allow COMPONENT_REF.
881 Check ANTIC_SAFE_LOADS too.
882 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
883 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
884 rename.
885 (can_PRE_operation): Add COMPONENT_REF.
886 (create_component_ref_by_pieces): New function.
887 (create_expression_by_pieces): Use create_component_ref_by_pieces.
888 (insert_aux): Move AGGREGATE_TYPE_P check here.
889 (compute_avail): Set bb local stmt uids.
890 (pass_pre): Use TODO_update_ssa_only_virtuals.
892 2006-02-06 Ben Elliston <bje@au.ibm.com>
894 * configure.ac: Unconditionally disable decimal float by default.
895 * configure: Regenerate.
897 2006-02-06 Ben Elliston <bje@au.ibm.com>
899 * read-rtl.c (read_name): Terminate reading on EOF.
901 2006-02-06 Ben Elliston <bje@au.ibm.com>
903 * dfp.c (decimal_real_arithmetic): Change second argument type
904 from int to enum tree_code. Do not always return true, but now
905 return result of any call to decimal_do helper functions.
906 * dfp.h (decimal_real_arithmetic): Update prototype.
908 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
910 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
912 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
914 PR tree-opt/25251
915 * tree-cfg.c (cleanup_dead_labels): Also don't remove
916 forced labels.
918 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
920 * tree-vrp.c (cfg_loops): Removed.
921 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
922 Use current_loops instead of cfg_loops. Pass flags to
923 loop_optimizer_init.
924 * cfgloopmanip.c (fix_loop_structure): Update only available
925 information.
926 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
927 loop_optimizer_init.
928 * modulo-sched.c (build_loops_structure): Removed.
929 (sms_schedule): Use loop_optimizer_init.
930 * loop-init.c (loop_optimizer_init): Use flags to determine
931 which properties of loops to prepare.
932 (rtl_loop_init): Pass flags to loop_optimizer_init.
933 * tree-ssa-sink.c (execute_sink_code): Ditto.
934 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
935 * tree-ssa-pre.c (init_pre): Ditto.
936 * cfgloop.h (LOOPS_NORMAL): New.
937 (loop_optimizer_init): Declaration changed.
939 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
941 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
942 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
943 pa/t-pa.
944 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
945 pa/t-pa.
946 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
947 pa/x-ada.
948 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
949 * pa/t-pa64: Delete quadlib.c rule.
950 * pa/x-ada: Revert last change.
951 * pa/t-pa: Revert last change. Delete quadlib.c rule.
953 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
955 PR rtl-optimization/26087
956 * rtlanal.c (canonicalize_condition): Do not cross basic block
957 boundaries.
959 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
961 PR debug/24444
962 * config/ia64/ia64.c: Include debug.h.
963 (MAX_ARTIFICIAL_LABEL_BYTES): New.
964 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
965 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
966 (process_epilogue, process_set, process_for_unwind_directive):
967 Output unwind info only if requested. Add CFA info if requested.
968 Add new arguments as needed. Adjust callers.
969 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
970 incorrect default.
971 (DWARF2_FRAME_INFO): Define to zero.
972 * config/ia64/unwind-ia64.c: Remove code that compensated for
973 the CFA offset error fixed above.
974 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
975 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
976 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
977 -funwind-tables and -fexceptions to enable frame info.
978 (dwarf2out_frame_init): Define initial CFA even if
979 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
980 DWARF2_UNWIND_INFO is nonzero, not just defined.
981 (dwarf2out_frame_finish): Output non-EH call frame info only
982 if DWARF2_FRAME_INFO is nonzero.
983 (convert_cfa_to_loc_list,
984 compute_frame_pointer_to_cfa_displacement): Define even if
985 unwind info is not supported.
986 (gen_subprogram_die): Use the above unconditionally. Remove
987 legacy alternate code.
988 * toplev.c (compile_file): Compile in call to
989 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
990 (lang_dependent_init): Ditto for dwarf2out_frame_init.
992 2006-02-04 David Edelsohn <edelsohn@gnu.org>
993 Jakub Jelinek <jakub@redhat.com>
995 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
996 IBM extended float format long double as "g" on powerpc*-linux.
998 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1000 PR target/25926
1001 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1002 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1004 2006-02-03 Jason Merrill <jason@redhat.com>
1006 PR c++/25979
1007 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1009 PR middle-end/25977
1010 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1011 on the return slot if it's an NRV.
1013 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1015 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1016 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1017 rewrite_use): Do not handle USE_OUTER.
1018 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1019 add_iv_outer_candidates, may_replace_final_value,
1020 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1021 (find_interesting_uses_op): Functionality of
1022 find_interesting_uses_outer_or_nonlin moved here.
1023 (find_interesting_uses_outside): Use find_interesting_uses_op.
1025 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1027 PR target/25960
1028 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1030 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1031 Ulrich Weigand <uweigand@de.ibm.com>
1033 PR target/25864
1034 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1035 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1036 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1037 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1038 and dxr fields.
1039 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1040 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1041 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1042 Define secondary reloads for TFmode moves.
1043 (constant_modes): Add TFmode.
1044 (NR_C_MODES): Set to 8.
1045 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1046 builtin define.
1047 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1048 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1049 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1050 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1051 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1052 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1053 (FPR mode macro): Add TFmode.
1054 (DSF mode macro): New.
1055 (<de>, <dee> mode attributes): Removed.
1056 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1057 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1058 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1059 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1060 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1061 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1062 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1063 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1064 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1065 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1066 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1067 "*negabs<mode>2", "sqrt<mode>2"):
1068 Changed <de> to <xde>. R constraint replaced by <Rf>.
1069 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1070 <Rf>.
1071 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1072 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1073 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1074 splitters.
1075 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1076 "extenddftf2", "extendsftf2"): New expanders.
1077 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1078 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1079 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1080 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1081 New options.
1082 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1083 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1084 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1085 __floatditf): Add a GCC_4.1.0 symbol version tag.
1086 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1087 the new options.
1089 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1091 PR target/25377
1092 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1093 Use targetm.binds_local_p instead of TREE_PUBLIC.
1095 2006-02-02 Roger Sayle <roger@eyesopen.com>
1097 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1098 on INTEGER_TYPEs to indicate that it denotes a character type.
1099 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1100 signed_char_type_node, unsigned_char_type_node and char_type_node.
1101 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1102 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1103 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1105 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1106 Daniel Berlin <dberlin@dberlin.org>
1108 * tree-tailcall.c (arg_needs_copy_p): New function.
1109 (eliminate_tail_call): Use arg_needs_copy_p.
1110 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1111 (add_virtual_phis): New function.
1113 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1115 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1116 #ignore instead of #scratch for %g7 .register directive.
1118 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1120 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1121 object files.
1123 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1125 * flow.c (calculate_global_regs_live): Assert that there aren't any
1126 EDGE_FAKE edges.
1128 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1130 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1131 what its name says.
1132 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1133 bsi_after_labels iterator.
1134 * tree-if-conv.c (find_phi_replacement_condition,
1135 replace_phi_with_cond_modify_expr): Likewise.
1136 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1137 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1139 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1141 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1143 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1145 PR 25990
1146 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1147 array after growing it.
1149 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1151 PR middle-end/24901
1152 * fold-const.c (fold_checksum_tree): Change type of buf.
1154 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1156 * reload.c (push_secondary_reload): Initialize t_icode.
1158 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1160 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1161 -msoft-float -mlong-double-128 only issue a warning, but don't
1162 swich to DFmode long double.
1164 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1166 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1167 has a constant equivalent, iterate over equivalents for arg0,
1168 calling simplify_relational_operation and if there's a result
1169 cheaper than X, apply fold_rtx and return the result.
1171 2006-02-01 Jan Hubicka <jh@suse.cz>
1173 * opts.c (no_unit_at_a_time_default): New global variable.
1174 (decode_options): Use it.
1175 * opts.h (no_unit_at_a_time_default): Declare.
1177 2006-02-01 Paul Brook <paul@codesourcery.com>
1179 * function.c (assign_parm_setup_reg): Use function argument promotion
1180 rules.
1181 * expr.c (expand_expr_real_1): Use function argument promotion rules
1182 for PARM_DECLs.
1184 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1186 * gcc.c (process_command): Change j to 'unsigned int'.
1188 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1190 PR middle-end/26001
1191 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1192 Use the corrected index for the character
1193 out of the string constant.
1195 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1197 * mode-switching.c (optimize_mode_switching): Fix size
1198 allocated for bb_info[n_entities].
1200 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1202 * gcc.c (main): Correct type that is allocated for
1203 explicit_link_files.
1205 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1207 * config/s390/s390.c (init_alignment_context): Set
1208 ALIAS_SET_MEMORY_BARRIER on the MEM.
1209 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1211 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1213 PR middle-end/25933
1214 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1215 dom_bbs pointer.
1216 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1217 call to tpa_init.
1219 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1221 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1222 * regrename.c: Ditto.
1223 * tree-ssa-loop-im.c: Ditto.
1224 * tree-dump.c: Ditto.
1225 * tree-complex.c: Ditto.
1226 * genrecog.c: Ditto.
1227 * tree-ssa-threadupdate.c: Ditto.
1228 * tracer.c: Ditto.
1229 * java/class.c: Ditto.
1230 * java/jcf-parse.c: Ditto.
1231 * java/resource.c: Ditto.
1232 * java/except.c: Ditto.
1233 * java/jvspec.c: Ditto.
1234 * java/jcf-write.c: Ditto.
1235 * java/jcf-path.c: Ditto.
1236 * java/gjavah.c: Ditto.
1237 * java/zextract.c: Ditto.
1238 * java/jcf-io.c: Ditto.
1239 * java/jcf.h: Ditto.
1240 * java/buffer.c: Ditto.
1241 * java/lang.c: Ditto.
1242 * java/parse-scan.y: Ditto.
1243 * java/lex.c: Ditto.
1244 * java/lex.h: Ditto.
1245 * cfgloopmanip.c: Ditto.
1246 * postreload-gcse.c: Ditto.
1247 * tree-ssa-loop-manip.c: Ditto.
1248 * postreload.c: Ditto.
1249 * tree-ssa-loop-ch.c: Ditto.
1250 * loop.c: Ditto.
1251 * ipa-cp.c: Ditto.
1252 * cppspec.c: Ditto.
1253 * diagnostic.c: Ditto.
1254 * final.c: Ditto.
1255 * genoutput.c: Ditto.
1256 * gcc.c: Ditto.
1257 * cfghooks.c: Ditto.
1258 * cfgloopanal.c: Ditto.
1259 * objc/objc-act.c: Ditto.
1260 * gcov.c: Ditto.
1261 * genextract.c: Ditto.
1262 * genautomata.c: Ditto.
1263 * pretty-print.c: Ditto.
1264 * genemit.c: Ditto.
1265 * cgraphunit.c: Ditto.
1266 * flow.c: Ditto.
1267 * df-scan.c: Ditto.
1268 * haifa-sched.c: Ditto.
1269 * dominance.c: Ditto.
1270 * dbxout.c: Ditto.
1271 * tree-ssa-loop-ivopts.c: Ditto.
1272 * df-core.c: Ditto.
1273 * mode-switching.c: Ditto.
1274 * modulo-sched.c: Ditto.
1275 * graph.c: Ditto.
1276 * ipa-pure-const.c: Ditto.
1277 * cse.c: Ditto.
1278 * fix-header.c: Ditto.
1279 * web.c: Ditto.
1280 * tree-stdarg.c: Ditto.
1281 * ipa-utils.c: Ditto.
1282 * loop-init.c: Ditto.
1283 * ipa-inline.c: Ditto.
1284 * cfganal.c: Ditto.
1285 * global.c: Ditto.
1286 * alloc-pool.c: Ditto.
1287 * dwarf2out.c: Ditto.
1288 * opts.c: Ditto.
1289 * genattrtab.c: Ditto.
1290 * tree-ssa-loop-ivcanon.c: Ditto.
1291 * predict.c: Ditto.
1292 * timevar.c: Ditto.
1293 * lcm.c: Ditto.
1294 * fortran/gfortranspec.c: Ditto.
1295 * regmove.c: Ditto.
1296 * local-alloc.c: Ditto.
1297 * langhooks.c: Ditto.
1298 * function.c: Ditto.
1299 * tree-vectorizer.c: Ditto.
1300 * gcse.c: Ditto.
1301 * ipa-type-escape.c: Ditto.
1302 * alias.c: Ditto.
1303 * tree-if-conv.c: Ditto.
1304 * profile.c: Ditto.
1305 * ipa.c: Ditto.
1306 * tree-data-ref.c: Ditto.
1307 * loop-unroll.c: Ditto.
1308 * treelang/treetree.c: Ditto.
1309 * calls.c: Ditto.
1310 * bt-load.c: Ditto.
1311 * ggc-common.c: Ditto.
1312 * except.c: Ditto.
1313 * coverage.c: Ditto.
1314 * cselib.c: Ditto.
1315 * tree-cfgcleanup.c: Ditto.
1316 * tree-ssa-pre.c: Ditto.
1317 * cfgcleanup.c: Ditto.
1318 * loop-invariant.c: Ditto.
1319 * loop-iv.c: Ditto.
1320 * ipa-prop.c: Ditto.
1321 * print-tree.c: Ditto.
1322 * conflict.c: Ditto.
1323 * ggc-page.c: Ditto.
1324 * sched-deps.c: Ditto.
1325 * regclass.c: Ditto.
1326 * tree-object-size.c: Ditto.
1327 * combine.c: Ditto.
1328 * bb-reorder.c: Ditto.
1329 * resource.c: Ditto.
1330 * var-tracking.c: Ditto.
1331 * cfgloop.c: Ditto.
1332 * df-problems.c: Ditto.
1333 * reg-stack.c: Ditto.
1334 * tlink.c: Ditto.
1335 * gccspec.c: Ditto.
1336 * sched-rgn.c: Ditto.
1337 * tree-ssa-structalias.c: Ditto.
1338 * tree-ssa-reassoc.c: Ditto.
1339 * config/darwin-c.c: Ditto.
1340 * config/darwin.c: Ditto.
1341 * config/arm/arm.c: Ditto.
1342 * cfgrtl.c: Ditto.
1343 * collect2.c: Ditto.
1344 * reload1.c: Ditto.
1346 2006-01-31 Nicolas Pitre <nico@cam.org>
1348 * arm.md (smaxsi3): Make aware of smax_m1.
1349 (smax_m1): New.
1351 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1353 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1355 2006-01-31 Richard Guenther <rguenther@suse.de>
1357 * doc/invoke.texi (-msselibm): Document.
1358 * target.h (expand_library_builtin): New target hook.
1359 * builtins.c (expand_builtin): Use expand_library_builtin.
1360 (default_expand_library_builtin): New function.
1361 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1362 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1363 (link_gcc_math_spec): Declare.
1364 (static_specs): Add link_gcc_math_spec.
1365 * expr.h (default_expand_library_builtin): Declare.
1366 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1367 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1368 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1369 * config/i386/i386.opt (msselibm): New target option.
1370 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1371 (ix86_init_sse_abi_builtins): New function.
1372 (ix86_expand_library_builtin): Likewise.
1373 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1374 (override_options): Handle error conditions wrt -msselibm.
1375 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1376 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1377 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1378 builtins.
1380 2006-01-31 Richard Guenther <rguenther@suse.de>
1381 Paolo Bonzini <bonzini@gnu.org>
1383 * doc/install.texi (--disable-libgcc-math): Document.
1385 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1387 * expr.h (expand_normal): new inline function.
1388 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1389 * dojump.c: use it.
1390 * dwarf2out.c: use it.
1391 * expr.c: use it.
1392 * calls.c: use it.
1393 * expmed.c: use it.
1394 * except.c: use it.
1395 * config/sparc/sparc.c: use it.
1396 * config/i386/i386.c: use it.
1397 * config/rs6000/rs6000.c: use it.
1398 * config/arm/arm.c: use it.
1399 * config/mips/mips.c: use it.
1400 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1402 2006-01-30 Roger Sayle <roger@eyesopen.com>
1404 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1405 argv to the appropriate type.
1407 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1409 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1410 unreachable code.
1412 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1414 PR target/26018
1415 * config/s390/s390.c (struct machine_function): New flag
1416 decomposed_literal_pool_addresses_ok_p.
1417 (s390_reorg): Set it before final stage of literal pool transforms.
1418 (s390_decompose_address): Only accept displacements of the form
1419 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1421 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1423 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1424 the comparison routine return.
1426 2006-01-30 Michael Matz <matz@suse.de>
1428 * global.c (find_reg): Only evict for global regs.
1429 Take n_refs into account and dump more info.
1431 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1433 PR target/14798:
1434 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1435 (pragma_trap, pragma_nosave_low_regs): Likewise.
1436 (current_function_anonymous_args): Likewise.
1437 (sh_deferred_function_attributes): New variable.
1438 (sh_deferred_function_attributes_tail): Likewise.
1439 (print_operand): For '@', look up trap_exit attribute.
1440 (calc_live_regs): Look up trapa_handler attribute. For trapa
1441 handlers, save/restore fpscr, but don't do any other
1442 interrupt-specific saves.
1443 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1444 Fix check for partially saved registers to check for SHmedia.
1445 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1446 (sh_output_function_epilogue): Don't clear any of the removed
1447 variables.
1448 (sh_insert_attributes): Don't check pragma_interrupt.
1449 Insert deferred attributes. Check that interrupt attribute is
1450 present for other attributes that require its presence.
1451 (sh_attribute_table): Add new attributes trapa_handler and
1452 nosave_low_regs.
1453 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1454 Don't check for pragma_interrupt. Don't store argument.
1455 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1456 (sh_deferred_function_attributes): Declare.
1457 (sh_deferred_function_attributes_tail): Likewise.
1458 * sh.md (sp_switch_1): Add operand. Change generator caller.
1459 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1460 (*return_i): Don't use when trap_exit attribute is in effect.
1461 (*return_trapa): New insn pattern.
1462 * sh-c.c: New file.
1463 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1464 setting c_target_objs and cxx_target_objs.
1465 * t-sh: Add rule for sh-c.o.
1467 2006-01-30 Richard Guenther <rguenther@suse.de>
1469 PR c++/23372
1470 * gimplify.c (gimplify_target_expr): Handle easy cases
1471 without creating a temporary.
1473 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1475 * vec.h (safe_grow): Remove duplicated line.
1477 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1479 PR 25874
1480 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1481 (expand_omp): ... here.
1482 (expand_omp_parallel): Only remove barriers for combined
1483 parallel+workshare constructs.
1485 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1487 Revert
1489 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1490 * tree.c (build_qualified_type): Chain the new type to the original
1491 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1492 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1493 (build_pointer_type_for_mode): Only return unqualified types.
1494 (build_reference_type_for_mode): Likewise.
1496 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1498 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1499 * Makefile.in (CXX_COMPAT_WARN): Define.
1500 * configure: Regenerate.
1502 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1504 PR tree-opt/25911
1505 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1506 to an if check.
1508 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1510 * toplev.c: Fix thinko.
1512 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1513 Marcin Dalecki <martin@dalecki.de>
1515 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1516 (push_srcloc): Use XNEW.
1517 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1519 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1521 * df-core.c (df_set_blocks): Deleted all variable.
1523 2006-01-28 Ian Lance Taylor <ian@airs.com>
1525 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1526 cgraph_output_pending_asms.
1528 2006-01-28 Zack Weinberg <zackw@panix.com>
1530 * c.opt: Add -W(no-)overlength-strings.
1531 * doc/invoke.texi: Document it.
1532 * c-opts.c (c_common_handle_option): -pedantic implies
1533 -Woverlength-strings, if not explicitly disabled already.
1534 (c_common_post_options): -Woverlength-strings defaults to off, and
1535 is always off for C++.
1536 * c-common.c (fix_string_type): Issue warning about strings longer
1537 than is portable only if warn_overlength_strings. Rearrange code
1538 a little for clarity.
1539 * configure.in: Check for -Wno-overlength-strings as well before
1540 enabling -pedantic in stage 1.
1541 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1542 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1544 * genconditions.c (write_header, write_one_condition)
1545 (write_conditions, write_writer): Consolidate very long strings
1546 that were broken up to fit in C89 portable limit. Don't use
1547 printf when fputs will do.
1549 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1551 * combine.c (simplify_comparison <AND>): Check
1552 TRULY_NOOP_TRUNCATION before start using a subreg.
1554 * config/mips/mips.md (*branch_zero<mode>,
1555 *branch_zero<mode>_inverted, *branch_equality<mode>,
1556 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1557 Remove mode check from comparisons.
1559 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1561 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1563 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1565 * expmed.c (const_mult_add_overflow_p): Remove.
1566 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1568 * recog.c (validate_replace_rtx_subexp): Remove.
1569 * recog.h: Remove the prototype for
1570 validate_replace_rtx_subexp.
1572 * integrate.h: Remove the prototype for
1573 copy_decl_for_inlining.
1574 * rtl.h: Remove the prototype for mark_constant_function.
1575 * tree-vectorizer.h: Remove the prototype for
1576 vect_strip_conversion.
1578 * modulo-sched.c (create_partial_schedule,
1579 free_partial_schedule, reset_partial_schedule): Make them
1580 static.
1582 * hooks.c (hook_bool_rtx_int_false): Remove.
1583 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1585 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1587 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1588 and -mlong-double-128 are incompatible.
1589 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1590 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1591 (TARGET_LIBGCC2_CFLAGS): Define.
1592 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1593 (TARGET_LIBGCC2_CFLAGS): Same.
1594 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1596 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1598 PR c/19606.
1599 * c-typeck.c (build_binary_op): Perform implicit casts of
1600 operands before shortening them.
1602 * cfgloopmanip.c (split_loop_bb): Remove.
1603 * cfgloop.h: Remove the prototype for split_loop_bb.
1605 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1606 * cfgloop.h: Remove the prototype for
1607 flow_loop_outside_edge_p.
1609 * emit-rtl.c (init_virtual_regs): Make it static.
1610 * function.h: Remove the prototype for init_virtual_regs.
1612 * recog.c (peephole2_optimize): Make it static.
1613 * recog.h: Remove the prototype for peephole2_optimize.
1615 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1617 * df-scan.c (df_record_entry_block_defs): Check if
1618 INCOMING_RETURN_ADDR_RTX is defined.
1620 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1621 Kenneth Zadeck <zadeck@naturalbridge.com>
1623 PR rtl-optimization/24762
1624 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1625 * targhooks.c (hook_void_bitmap): New hook prototype.
1626 * targhoohs.h (hook_void_bitmap): Ditto.
1627 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1628 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1629 * target.h (live_on_entry): New function pointer.
1630 * df-scan.c (df_all_hard_regs): Removed.
1631 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1632 (df_scan_free_internal): Added df->entry_block_defs.
1633 (df_scan_alloc): Ditto.
1634 (df_scan_dump): Ditto.
1635 (df_uses_record): Plumbed flag field properly thru calls.
1636 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1637 This part fixes PR24762.
1638 (df_bb_refs_record): Added code to make the frame and arg
1639 pointers live in EH blocks.
1640 (df_refs_record): Added call to df_record_entry_block_defs.
1641 (df_record_entry_block_defs): New function.
1642 * df-core.c: Added comments to describe new artifical defs.
1643 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1644 (entry_block_defs): New field in struct df.
1645 (df_all_hard_regs): Deleted.
1646 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1647 * df-problems.c (df_ru_bb_local_compute_process_def):
1648 Added code to handle artifical defs in the entry to a function.
1649 (df_ru_bb_local_compute): Ditto.
1650 (df_rd_bb_local_compute_process_def): Ditto.
1651 (df_rd_bb_local_compute): Ditto.
1652 (df_lr_bb_local_compute): Ditto.
1653 (df_ur_bb_local_compute): Ditto.
1654 (df_urec_bb_local_compute): Ditto.
1655 (df_chain_create_bb): Ditto.
1656 (df_ur_local_finalize): Removed entry.
1657 (df_urec_init): Ditto.
1658 (df_urec_local_finalize): Ditto.
1659 (df_ri_bb_compute): Added detection of last use of pseudos.
1660 * Makefile.in (df-scan.o): Updated dependencies.
1661 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1662 * config/mips/mips.c (mips_set_live_on_entry): Added.
1663 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1664 for target hook.
1665 * dce.c (marked_insn_p): Added code to handle artifical defs.
1667 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1669 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1670 intrinsic.
1671 (_mm_cvtsi128_si64): Likewise.
1672 (_mm_cvtsd_si64): Likewise.
1673 (_mm_cvttsd_si64): Likewise.
1674 (_mm_cvtsi64_sd): Likewise.
1675 (_mm_cvtsi64_si128): Likewise.
1676 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1677 (_mm_cvtsi64_m64): Likewise.
1678 (_m_to_int64): Likewise.
1679 (_mm_cvtm64_si64): Likewise.
1680 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1681 (_mm_cvttss_si64): Likewise.
1682 (_mm_cvtsi64_ss): Likewise.
1683 (_mm_cvtss_f32): Likewise.
1685 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1687 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1688 for pragma redefine_extname.
1690 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1692 PR target/25864
1693 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1694 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1695 -mno-minimal-toc to previous content.
1696 (bispecs): Remove goal.
1697 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1698 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1699 compatibility aliases on powerpc-*-*gnu*.
1700 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1701 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1702 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1703 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1704 (ldblspecs): New goal.
1705 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1706 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1707 _df_to_tf.
1708 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1709 L_sf_to_tf or L_df_to_tf is defined.
1711 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1712 Alan Modra <amodra@bigpond.net.au>
1714 PR target/25864
1715 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1716 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1717 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1718 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1719 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1720 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1721 (rs6000_override_options): Initialize rs6000_ieeequad.
1722 Initialize TFmode format to ibm_extended_format if not
1723 TARGET_IEEEQUAD.
1724 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1725 ieeelongdouble.
1726 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1727 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1728 (function_arg_advance): IBM long double passed in two FPRs, not
1729 split.
1730 (function_arg): IBM long double passed in FPRs.
1731 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1732 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1733 Only multireg GPR aligned.
1734 (rs6000_init_libfuncs): Enable IBM long double functions if not
1735 IEEEQUAD.
1736 (rs6000_generate_compare): Use IBM long double compare if not
1737 TARGET_IEEEQUAD.
1738 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1739 (TARGET_IEEEQUAD): Define.
1740 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1741 not TARGET_IEEEQUAD.
1742 * config/rs6000/rs6000.md: Enable TFmode patterns if
1743 !TARGET_IEEEQUAD.
1744 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1745 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1746 and -mlong-double-128 are incompatible.
1747 * doc/invoke.texi (-mabi): Collect options together. Add
1748 ibmlongdouble and ieeelongdouble.
1750 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1752 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1753 opaque type.
1754 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1755 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1756 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1757 * rtl.h (rtunion_def): Remove rt_ptr.
1758 (X0PTR): Delete.
1759 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1760 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1761 * config/i386/winnt.c (i386_pe_mark_dllexport)
1762 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1764 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1766 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1768 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1770 PR other/24829
1771 PR target/24831
1772 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1773 pthread_key_delete. From John David Anglin. gthrw-ify
1774 pthread_getunique_np only if it it's not a macro. Delete
1775 UNUSED macro.
1776 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1777 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1778 __gthread_objc_condition_signal, __gthread_key_delete): Add
1779 "__attribute__ ((__unused__))" to unused arguments.
1780 (__gthread_recursive_mutex_init_function): Add missing return.
1781 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1782 gthr-posix95.h: Use macro-based approach for name redirection
1783 on targets missing weakref.
1785 2006-01-26 Zack Weinberg <zackw@panix.com>
1787 * genconditions.c (write_header): In generated code, #ifdef out
1788 all includes and fake declarations, except includes of bconfig.h
1789 and system.h, unless GCC_VERSION >= 3001. Do not include
1790 gensupport.h in any case.
1791 (write_conditions): Generate a definition of struct c_test. Add
1792 a comment to the generated #endif.
1793 (write_one_condition): Escape backslashes in string too.
1794 (write_writer): Generated code must escape backslashes and quote
1795 marks (but not newlines) in the strings it writes.
1796 * Makefile.in (build/gencondmd.o): Update dependencies.
1798 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1800 PR target/25961
1801 * Makefile.in (insn-automata.o): Add header file dependencies.
1802 * genautomata.c: Add includes.
1804 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1806 PR target/25961
1807 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1809 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1811 * configure.ac: Expect target tools paths to be passed from the toplevel
1812 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1813 AS_SET_VAR_IF.
1814 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1816 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1818 PR c/25892
1819 * c.opt (Wpointer-sign): Init to -1.
1820 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1821 OPT_pedantic, to 0 otherwise.
1822 * doc/invoke.texi: Update.
1824 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1826 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1827 constants provided by 80387 instructions in the destination mode.
1829 2006-01-26 Richard Guenther <rguenther@suse.de>
1830 Andrew Pinski <pinskia@physics.uc.edu>
1832 PR tree-opt/21470
1833 partial PR tree-opt/17064
1834 * tree-ssa-structalias.c (intra_create_variable_infos):
1835 Create heap variables for incoming parameters if
1836 flag_argument_noalias > 1.
1837 (find_what_p_points_to): Look through default defs of
1838 parameter decls.
1840 2006-01-26 Jeff Law <law@redhat.com>
1842 PR ada/25900
1843 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1844 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1845 within the VR_RANGE, use the VR_RANGE as the result, not the
1846 VR_ANTI_RANGE.
1847 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1848 bounds for the type.
1850 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1852 * tree-ssa-alias.c (maybe_create_global_var): Change
1853 subvar walking to an assertion that we don't have subvar'd variables.
1855 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1857 PR C/25861
1858 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1859 Use a new variable, inner. PARM_DECLs are always non-weak.
1861 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1863 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1864 --disable-checking.
1866 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1868 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1870 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1872 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1873 (smax_insn, smin_insn, smax_0, smin_0): New.
1875 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1877 PR target/25947
1878 * config/cris/cris.c (cris_order_for_addsi3): New function.
1879 * config/cris/cris-protos.h: Prototype it.
1880 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1881 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1882 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1883 (split for "op.S1 [rx=rx+i],ry (swapped)")
1884 (split for "op(s|u).S1 [rx=rx+i],ry")
1885 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1886 Apply cris_order_for_addsi3 when generating addsi3 insns.
1888 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1890 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1891 (TREE_BLOCK): Add call to EXPR_CHECK.
1893 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1895 PR 25886
1896 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1897 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1898 (dump_omp_clauses): ... here.
1899 (dump_generic_node): Handle OMP_CLAUSE.
1900 * tree.c (omp_clause_num_ops): New.
1901 (omp_clause_code_name): New.
1902 (tree_code_size): Handle OMP_CLAUSE.
1903 (tree_size): Likewise.
1904 (make_node): Document handling of OMP_CLAUSE.
1905 (tree_node_structure): Handle OMP_CLAUSE.
1906 (omp_clause_check_failed): New.
1907 (omp_clause_range_check_failed): New.
1908 (omp_clause_operand_check_failed): New.
1909 (build_omp_clause): New.
1910 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1911 * tree.h (enum omp_clause_code): Declare.
1912 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1913 (OMP_CLAUSE_RANGE_CHECK): Define.
1914 (OMP_CLAUSE_ELT_CHECK): Define.
1915 (omp_clause_check_failed): Declare.
1916 (omp_clause_operand_check_failed): Declare.
1917 (omp_clause_range_check_failed): Declare.
1918 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1919 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1920 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1921 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1922 (OMP_CLAUSE_IF_EXPR): Likewise.
1923 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1924 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1925 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1926 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1927 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1928 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1929 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1930 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1931 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1932 (OMP_CLAUSE_CODE): Define.
1933 (OMP_CLAUSE_SET_CODE): Define.
1934 (OMP_CLAUSE_CODE): Define.
1935 (OMP_CLAUSE_OPERAND): Define.
1936 (struct tree_omp_clause): Declare.
1937 (union tree_node): Add field 'omp_clause'.
1938 * treestruct.def (TS_OMP_CLAUSE): Define.
1939 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1940 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1941 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1942 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1943 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1944 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1945 (OMP_CLAUSE): Define.
1946 * print-tree.c (print_node): Handle OMP_CLAUSE.
1947 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1948 * c-typeck.c: Likewise.
1949 * gimplify.c: Likewise.
1950 * c-omp.c: Likewise.
1951 * tree-nested.c: Likewise.
1952 * tree-inline.c: Likewise.
1953 * c-parser.c: Likewise.
1954 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1955 clauses.
1957 2006-01-25 Roger Sayle <roger@eyesopen.com>
1959 PR rtl-optimization/25703
1960 * combine.c (try_combine): Handle zero_extract and strict_low_part
1961 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1963 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1965 * global.c: Fix comment typos.
1967 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1969 PR target/25758
1970 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1971 Use output_addr_const instead of assemble_name.
1973 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1975 * Makefile.in (sched-vis.o): Update dependencies.
1976 * haifa-sched.c (sched_finish): Clear current_sched_info.
1977 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1978 (dump_flow_info): Call it.
1979 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1980 a slim RTL dump.
1981 * basic-block.h (dump_bb_info): Declare.
1982 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1983 option, and apply options only for dump files whose TDF_RTL,
1984 TDF_TREE, or TDF_IPA bits match.
1985 * rtl.h: Declare new functions exported from sched-vis.c.
1986 * sched-vis.c: Enable also if scheduling is not used.
1987 (print_value): Print the mode of registers if not inside scheduling.
1988 (print_insn): Make it work outside the scheduler. Beautify the output
1989 a bit.
1990 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1992 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1994 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1995 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1996 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1997 depending on the value of CONSTANT_POOL_ADDRESS_P.
1998 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1999 SYMBOL_REF_DECL.
2000 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2001 rather than SYMBOL_REF_DECL.
2002 (rtx_constant_pool): Remove const_rtx_sym_htab.
2003 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2004 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2005 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2006 Remove handling of const_rtx_sym_htab.
2007 (find_pool_constant): Delete.
2008 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2009 rather than find_pool_constant.
2010 (get_pool_constant_for_function): Delete.
2011 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2012 find_pool_constant.
2013 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2014 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2015 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2016 (SYMBOL_REF_CONSTANT): New macro.
2017 (get_pool_constant_for_function): Delete.
2018 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2019 rather than SYMBOL_REF_DECL.
2020 (i386_pe_mark_dllimport): Likewise.
2021 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2022 rather than SYMBOL_REF_DECL.
2023 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2024 (machopic_indirect_call_target): Likewise.
2026 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2028 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2030 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2032 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2034 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2036 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2038 2006-01-24 David Daney <ddaney@avtrex.com>
2040 PR java/25816
2041 * configure.ac (enable_tls): New enable option.
2042 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2043 * configure: Regenerate.
2044 * doc/install.texi (--enable-tls): Document new option.
2045 (--disable-tls): Ditto.
2047 2006-01-24 Richard Henderson <rth@redehat.com>
2049 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2050 * alias.c (true_dependence): Respect it.
2051 (canon_true_dependence, write_dependence_p): Likewise.
2052 * builtins.c (get_builtin_sync_mem): Set it.
2054 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2056 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2057 efficient way.
2059 2006-01-24 DJ Delorie <dj@redhat.com>
2061 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2062 for storing constants in single-bit bitfields.
2064 2006-01-25 Ben Elliston <bje@au.ibm.com>
2066 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2068 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2070 PR tree-opt/25860
2071 * tree-ssa-pre.c (phi_translate): Return NULL
2072 for AGGREGATE_TYPE's.
2074 2006-01-24 Zack Weinberg <zackw@panix.com>
2076 * genautomata.c (process_state_for_insn_equiv_partition):
2077 Use xcalloc for insn_arcs_array.
2078 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2079 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2081 2006-01-24 Richard Henderson <rth@redhat.com>
2083 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2084 update all callers.
2086 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2088 PR rtl-optimization/25890
2089 PR rtl-optimization/25905
2090 * combine.c (expand_compound_operation, expand_field_assignment):
2091 Fail if the bitfield's final position is out of bounds.
2093 2006-01-24 Ian Lance Taylor <ian@airs.com>
2095 PR middle-end/25930
2096 * cgraphunit.c (cgraph_output_in_order): Don't clear
2097 cgraph_asm_nodes until after asm strings have been output.
2099 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2101 * fix-header.c (read_scan_file): Add new parameter imultilib when
2102 calling register_include_chains.
2104 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2106 * omp-low.c: Update documentation.
2108 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2109 Daniel Berlin <dberlin@dberlin.org>
2111 PR tree-opt/25315
2112 PR tree-opt/25857
2113 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2114 return from the function.
2116 2006-01-22 Zack Weinberg <zackw@panix.com>
2118 * rtl.def (match_code): Add second argument.
2119 * genpreds.c (write_extract_subexp): New function.
2120 (write_match_code): Add path argument. Use write_extract_subexp.
2121 (write_predicate_expr): Pass path to write_match_code.
2122 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2123 not perform a mode test.
2124 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2125 a subexpression does not constrain the top-level code set.
2126 * read-rtl.c (read_rtx_variadic): New function.
2127 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2128 * doc/md.texi: Document new notation.
2129 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2130 (cmpsi_operand): ... here, using new notation.
2132 2006-01-22 Zack Weinberg <zackw@panix.com>
2134 * varray.c: Remove GENERATOR_FILE #ifdefs.
2136 2006-01-22 Zack Weinberg <zackw@panix.com>
2138 * genautomata.c (output_reserved_units_table): Emit nothing if
2139 description->query_units_num is zero. Remove extra blank line.
2140 (output_cpu_unit_reservation_p): Short circuit
2141 if description->query_units_num is zero.
2143 2006-01-22 Zack Weinberg <zackw@panix.com>
2145 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2146 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2147 nor any of the random handful of variables that used to be necessary
2148 when this program was linked with rtlanal.o. Prune set of forward
2149 function declarations.
2150 (struct attr_desc): Remove static_p field.
2151 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2152 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2153 (attr_string): Do not read the character one past the length of
2154 the string.
2155 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2156 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2157 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2158 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2159 (make_automaton_attrs): New.
2160 (main): Do not call into genautomata. Call local gen_bypass
2161 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2162 Remove special case for insn_alts.
2163 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2164 varray.h (leftover from previous change). Prune set of forward
2165 function declarations. Remove state_alts fields from all
2166 structures. Remove state_alts_table from struct automaton.
2167 Make everything except main static. Do not maintain num_dfa_decls.
2168 Do not maintain state_alts fields of various structures.
2169 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2170 (add_arc): Remove state_alts argument. All callers updated.
2171 (output_reserved_units_table): Emit #ifdef here...
2172 (output_tables): ...not here. Don't generate state_alts tables.
2173 (expand_automata): Don't generate attributes.
2174 (write_automata): Don't generate state_alts functions.
2175 (main): New function.
2176 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2177 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2178 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2179 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2180 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2181 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2182 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2183 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2184 Delete.
2185 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2186 * genattrtab.h: Delete file.
2187 * Makefile.in (OBJS-common): Add insn-automata.o.
2188 (insn-automata.o): New rule.
2189 (simple_generated_c): Add insn-automata.c.
2190 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2191 (genprogmd): Add automata.
2192 (build/genattrtab): Needs no extra objects nor libraries.
2193 (build/genautomata): Needs build/vec.o and -lm.
2195 2006-01-22 Zack Weinberg <zackw@panix.com>
2197 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2198 (output_dfa_max_issue_rate, locked_states_num): Delete.
2199 (struct automaton): Add locked_states field.
2200 (output_dead_lock_vect): Save number of locked states in
2201 automaton->locked_states. If it is zero, don't print anything.
2202 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2203 (output_internal_dead_lock_func): Only test the dead_lock_vect
2204 for automata that have locked states.
2205 (output_statistics): Always print the number of locked states for
2206 each automaton. Calculate total number of locked states here.
2207 (write_automata): Don't call output_dfa_max_issue_rate.
2208 * genattrtab.c: Define length_unit_log as a const variable.
2209 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2210 max_insn_queue_index const.
2211 * final.c (length_unit_log): Declare const.
2212 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2214 2006-01-22 Zack Weinberg <zackw@panix.com>
2216 * genautomata.c: Include vec.h, not varray.h.
2217 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2218 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2219 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2220 VEC_* macros operating on appropriately typed vectors, or to
2221 malloced arrays when the size is known in advance. Const-ify
2222 many char* variables and function arguments. No functional changes.
2223 * Makefile.in (build/varray.o): Delete rule.
2224 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2225 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2227 2006-01-22 Zack Weinberg <zackw@panix.com>
2229 * gensupport.c: Define get_insn_name and record_insn_name here.
2230 (read_md_rtx): Call record_insn_name as appropriate.
2231 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2232 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2233 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2234 record_insn_name.
2235 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2236 (BUILD_VARRAY): Delete.
2237 (genprognormal): Rename genprogmd. Fold in all programs from
2238 genprognoprint; also attrtab.
2239 (build/genattrtab): Just mention genautomata.o and varray.o.
2240 Reorganize a bit, add comments to make the categories clearer.
2242 2006-01-22 Zack Weinberg <zackw@panix.com>
2244 * genconditions.c (condition_table, add_condition): Delete.
2245 (write_conditions): Don't emit n_insn_conditions nor
2246 insn_elision_unavailable. Issue the gcc version #ifdef here,
2247 inside the table, with no #else clause ...
2248 (write_header): ...not here.
2249 (write_writer): New function.
2250 (main): Don't initialize condition_table. Use add_c_test.
2251 Call write_writer.
2252 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2253 files on the command line.
2254 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2255 Return -1 if there is no entry in the table, don't abort.
2256 (add_c_test, traverse_c_tests): New functions.
2257 * gensupport.h (insn_elision_unavailable, insn_conditions)
2258 (n_insn_conditions): Delete declarations.
2259 (add_c_test, traverse_c_tests): Declare.
2260 * read-rtl.c: Include gensupport.h.
2261 (read_conditions): New function.
2262 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2263 (read_rtx_1): If we get EOF when we were looking for an initial
2264 open paren, return 0. Call read_conditions when appropriate.
2265 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2266 dummy-conditions.o. Eliminate references to insn-conditions.o,
2267 or change them to build/gencondmd.o, as appropriate. Remove
2268 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2269 from $(simple_generated_c). For all files remaining in those
2270 two lists, add insn-conditions.md to the generator command line.
2271 Give insn-constants.h/s-constants their own rules. Add rules
2272 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2273 (build/read-rtl.o): Depend on gensupport.h.
2274 (genprognormal): Include preds.
2275 (genprogearly): Rename genprognoprint; only difference is now that
2276 they don't link with $(BUILD_PRINT).
2277 * dummy-conditions.c: Delete.
2279 2006-01-22 Zack Weinberg <zackw@panix.com>
2281 * genextract.c: Don't include insn-config.h. Do include vec.h.
2282 Declare vectors of int, char, and locstr.
2283 (locstr): New typedef.
2284 (struct extraction): Make all array fields into bare pointers.
2285 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2286 (insn_code_number): Delete.
2287 (accum_extract): New struct.
2288 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2289 (gen_insn): Take insn_code_number as an argument. Use an
2290 accum_extract structure instead of loading data directly into
2291 a struct extraction, and having to know how big it might get.
2292 (walk_rtx): Operate entirely on an accum_extract structure.
2293 (print_path): Avoid unnecessary use of printf.
2294 (print_header): New function, split out of main. Distinguish
2295 more carefully between an unrecognizable insn and an insn that
2296 has the code number of a define_expand.
2297 (main): Pass insn_code_number to gen_insn. Call print_header
2298 only after parsing. Avoid unnecessary use of printf.
2299 * Makefile.in (build/vec.o): New rule.
2300 (build/genextract): Depend on build/vec.o.
2301 (build/genextract.o): Don't depend on insn-config.h.
2303 2006-01-22 Zack Weinberg <zackw@panix.com>
2305 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2306 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2307 practical. Eliminate per-generator-program link rules.
2309 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2311 PR middle-end/24437
2312 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2313 with a call expr to ...
2314 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2316 2006-01-23 Richard Guenther <rguenther@suse.de>
2318 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2319 before make_edge with conditional EDGE_TRUE_VALUE.
2321 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2322 Jan Hubicka <jh@suse.cz>
2323 Richard Guenther <rguenther@suse.de>
2325 PR rtl-optimization/25654
2326 * cfgexpand.c (aggregate_contains_union_type): New function.
2327 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2328 for structure variables that contain a union type.
2330 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2332 * gengtype.c (new_structure): Return the structure.
2333 (create_option): Add an extra "next" argument.
2334 (create_field): New function.
2335 (adjust_field_rtx_def): Use create_option and create_field.
2336 Remove a now-unnecessary call to find_structure.
2337 (adjust_field_tree_def): Likewise.
2338 (note_yacc_type): Remove an unnecessary call to find_structure.
2339 * gengtype.h (new_structure): Return the structure.
2340 (create_option): Add an extra argument.
2341 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2342 (option): Adjust calls to create_option.
2344 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2346 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2348 2006-01-22 Paul Brook <paul@codesourcery.com>
2349 Peter Barada <peter@the-baradas.com>
2351 * config/m68k/m68k.md: Add Coldfire FPU support.
2352 Define FP mode macro and associated attributes.
2353 Use it for float mode patterns.
2354 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2355 (LIBCALL_VALUE): Use m68k_libcall_value.
2356 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2357 (m68k_function_value): Ditto.
2358 (emit_move_sequence): Ditto.
2359 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2360 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2361 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2362 (MULTILIB_EXCEPTIONS): Ditto.
2363 * config/m68k/m68k.opt: Add mcfv4e.
2364 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2365 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2366 (m68k_output_function_prologue): Save ColdFire FPU registers.
2367 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2368 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2369 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2370 ColdFire FPU registers.
2371 (m68k_libcall_value, m68k_function_value): New functions.
2372 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2373 (LIBCALL_VALUE): Use m68k_libcall_value.
2374 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2375 (MASK_COLDFIRE): Add MASK_CFV4E.
2376 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2377 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2378 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2379 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2380 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2381 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2382 * doc/invoke.tex: Document -mcfv4e on m68k.
2384 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2386 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2387 URL.
2389 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2391 PR c++/16190
2392 * c-opts.c (c_common_handle_option): Don't include
2393 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2394 * doc/invoke.texi (C++ Dialect Options): Document that
2395 -Wnon-virtual-dtor is no longer included in -Wall.
2397 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2399 * gcov.c (print_version), gcov-dump.c (print_version),
2400 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2401 dates.
2403 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2405 * df-scan.c (problem_SCAN): Added NULL reset function.
2406 (df_scan_reset_blocks): Added code to call reset block function
2407 (df_bb_refs_delete) Fixed comment.
2408 (df_insn_refs_delete): Made tolerant of deleting non existent info
2409 for dataflow problems that need to be reset.
2410 * df-core.c (df_set_blocks): Ditto.
2411 * df.h (struct df_problem): Added reset_fun.
2412 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2413 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2414 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2415 functions to clear out all references to def-use or use-def chains.
2417 2006-01-21 Ben Elliston <bje@au.ibm.com>
2419 * varasm.c (assemble_real): Initialise data array.
2421 2006-01-20 Paul Brook <paul@codesourcery.com>
2423 Merge from csl-arm-branch.
2424 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2425 * config/arm/arm.md (movdi): Force operands[1] to a register
2426 if we have a non-register source.
2427 (*arm_movdi, *movdf_soft_insn): Require that one of the
2428 operands be a register.
2429 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2430 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2432 2006-01-20 DJ Delorie <dj@redhat.com>
2434 * varasm.c (initialize_constant_valid_p): Allow pointers
2435 initialized from integer constants of lesser precision.
2436 (output_constant): Allow non-int-sized pointer modes to be
2437 initialized from integer constants.
2439 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2441 PR libstdc++/25524
2442 * cppdefault.h (struct default_include): Add multilib flag.
2443 * cppdefault.c (cpp_include_defaults): Set it.
2444 * c.opt (-imultilib): New option.
2445 * c-opts.c (imultilib): New.
2446 (c_common_handle_option): Handle -imultilib.
2447 (c_common_post_options): Likewise.
2448 * c-incpath.c (add_standard_paths, register_include_chains):
2449 Likewise.
2450 * c-incpath.h (register_include_chains): Add extra parameter.
2451 * gcc.c (do_spec_1): Generate -imultilib option.
2452 (The Specs Language): Update %I description.
2453 (process_command): Update copyright notice.
2454 * doc/cppopts.texi (-imultilib): Document.
2455 * doc/invoke.texi (-imultilib): Include in option summary.
2456 (%I): Update specs documentation.
2458 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2460 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2462 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2464 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2465 label numbers.
2467 2006-01-20 Richard Guenther <rguenther@suse.de>
2468 Steven Bosscher <stevenb.gcc@gmail.com>
2470 PR rtl-optimization/24626
2471 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2472 EDGE_TRUE_VALUE if in RTL mode.
2474 Revert
2475 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2476 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2478 2006-01-20 Dirk Mueller <dmueller@suse.com>
2480 PR c++/5520
2481 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2482 instead of a special NOP marker.
2483 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2484 NOP marker handling.
2485 * c-common.h (empty_body_warning): Add forward declaration.
2486 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2487 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2489 2006-01-20 Paul Brook <paul@codesourcery.com>
2491 * Makefile.in (lang_checks): Keep going if mkdir fails.
2493 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2495 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2496 be able to clean out basic block when not necessary.
2497 (df_scan_free): Fixed to properly delete information if df is
2498 unused before calling df_finish.
2499 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2500 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2501 or comment typos.
2502 (df_bb_refs_delete): New function.
2503 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2504 * df-core.c (df_set_blocks): Added code to properly clean out
2505 unused blocks if they are not part of the blocks to consider.
2506 Added additional null check.
2507 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2508 be able to clean out basic block when not necessary
2509 * df.h (df_free_bb_function): Ditto.
2510 (df_bb_refs_delete): New function.
2511 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2512 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2513 basic block parameter to be able to clean out basic block when not
2514 necessary.
2515 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2516 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2517 Fixed to properly delete information if df is unused before
2518 calling df_finish.
2520 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2522 PR rtl-optimization/25799
2523 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2524 Corrected confluence operator to remove bits from op2 before oring
2525 with op1 rather than removing bits from op1.
2526 (df_ru_transfer_function): Corrected test on wrong bitmap which
2527 caused infinite loop. Both of these problems were introduced in
2528 the dataflow rewrite.
2530 2006-01-19 DJ Delorie <dj@redhat.com>
2532 * reload1.c (find_reload_regs): Note the details of reload
2533 failures in the dump file.
2534 (spill_failure): Likewise.
2536 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2538 * loop-iv.c: Include df.h and hashtab.h.
2539 (enum iv_grd_result): New enum.
2540 (DF_REF_IV, DF_REF_IV_SET): New macros.
2541 (struct biv_entry): New.
2542 (df, bivs): New global variables.
2543 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2544 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2545 Removed.
2546 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2547 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2548 analyzed_for_bivness_p, record_biv): New functions.
2549 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2550 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2551 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2552 UD chains.
2553 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2554 analysed.
2555 (iv_number_of_iterations): Use new interface to iv analysis.
2556 * loop-unroll.c: Do not include varray.h.
2557 (analyze_iv_to_split_insn): Use new interface to iv
2558 analysis.
2559 * loop-unswitch.c (may_unswitch_on): Ditto.
2560 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2561 allocated.
2562 (df_bb_modify): Realloc tables to the new index.
2563 (df_find_use): New function.
2564 * df.h (df_find_use): Declare.
2565 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2566 outmode.
2567 * cfgloop.h (struct rtx_iv): Remove analysed field.
2568 (iv_get_reaching_def): Removed.
2569 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2570 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2571 (loop-iv.o): Add df.h and hashtab.h dependency.
2572 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2574 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2576 PR target/25668
2577 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2578 Double TFmode.
2579 (__floatundisf, __floatundidf): Likewise.
2580 * libgcc2.h (IS_IBM_EXTENDED): Define.
2582 2006-01-19 DJ Delorie <dj@redhat.com>
2584 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2586 2006-01-19 Paul Brook <paul@codesourcery.com>
2588 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2589 as nothrow when unwinding tables are disabled.
2591 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2593 PR testsuite/25171
2594 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2595 of bit-field" when in system header.
2597 2006-01-19 DJ Delorie <dj@redhat.com>
2599 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2600 the 16 bit shift limit of the m16c.
2602 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2604 PR target/22099
2605 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2606 * config/i386/i386.c (output_set_got): Output the label if we have one
2607 for the TARGET_DEEP_BRANCH_PREDICTION case.
2609 2006-01-19 Jan Hubicka <jh@suse.cz>
2610 H.J. Lu <hongjiu.lu@intel.com>
2611 Evandro Menezes <evandro.menezes@amd.com>
2613 * invoke.texi (generic): Document
2614 (i686) Update.
2615 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2616 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2617 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2618 (x86_use_incdec, x86_pad_returns): New variables
2619 (TARGET_CPU_DEFAULT_generic): New constant
2620 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2621 (enum processor_type): Add generic32 and generic64.
2622 * i386.md (cpu attribute): Add generic32/generic64
2623 (movhi splitter): Behave sanely when both partial_reg_dependency and
2624 partial_reg_stall are set.
2625 (K8 splitters): Enable for generic as well.
2626 * predicates.md (incdec_operand): Use TARGET_INCDEC
2627 (aligned_operand): Avoid memory mismatch stalls.
2628 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2629 * ppro.md: Enable for generic32
2630 * i386.c (generic64_cost, generic32_cost): New.
2631 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2632 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2633 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2634 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2635 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2636 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2637 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2638 x86_accumulate_outgoing_args, x86_prologue_using_move,
2639 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2640 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2641 Enable for generic.
2642 (x86_use_incdec, x86_pad_returns): New.
2643 (override_options): Add generic32 and generic64, translate "generic"
2644 to generic32/generic64 and "i686" to "generic32", refuse
2645 "generic32"/"generic64" as arch target.
2646 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2647 (ix86_reorg): Honor PAD_RETURNS.
2649 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2651 * tree-pretty-print.c (dump_generic_node): Handle
2652 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2653 * cgraph.c (cgraph_expand_queue): Rename from
2654 cgraph_analyze_queue. Update all users.
2655 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2656 cgraph_expand_queue.
2657 (cgraph_expand_all_functions): Likewise.
2658 (cgraph_finalize_pending_functions): Remove. Update callers.
2660 * tree.h (OMP_DIRECTIVE_P): Define.
2661 (OMP_PARALLEL_FN): Define.
2662 (OMP_PARALLEL_DATA_ARG): Define.
2663 (OMP_SECTIONS_SECTIONS): Define.
2664 * tree-pass.h (pass_expand_omp): Declare.
2665 * omp-low.c (struct omp_region): Declare.
2666 (struct omp_context): Remove fields 'parallel_type',
2667 'parallel_start_ix' and 'parallel_start_additional_args'.
2668 Update all users.
2669 (struct omp_for_data): Rename from struct expand_omp_for_data.
2670 (omp_regions): New static variable.
2671 (root_omp_region): New static variable.
2672 (find_omp_clause): Make static.
2673 (is_in_combined_parallel_ctx): Remove.
2674 (is_combined_parallel): New.
2675 (extract_omp_for_data): Move earlier in the file.
2676 (workshare_safe_to_combine_p): New.
2677 (get_ws_args_for): New.
2678 (determine_parallel_type): Move earlier in the file.
2679 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2680 child function.
2681 (omp_copy_decl): Likewise.
2682 (create_omp_child_function): Likewise.
2683 (lookup_omp_region): New.
2684 (dump_omp_region): New.
2685 (debug_omp_region): New.
2686 (debug_all_omp_regions): New.
2687 (new_omp_region): New.
2688 (scan_omp_parallel): If parallel_nesting_level > 1, the
2689 directive is nested within another parallel directive.
2690 Set OMP_PARALLEL_FN.
2691 (scan_omp_for): Do not try to handle combined parallel+for
2692 cases.
2693 Remove FIXME comment.
2694 (scan_omp_nested): Remove.
2695 (scan_omp_1): Do not call scan_omp_nested when
2696 parallel_nesting_level is > 1.
2697 Do not change the DECL_CONTEXT of local variables found.
2698 (lookup_decl_in_outer_ctx): New.
2699 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2700 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2701 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2702 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2703 If CTX is nested, lookup VAR in the outer context when
2704 building copy assignment.
2705 (lower_send_clauses): Rename from expand_send_clauses.
2706 If CTX is nested, lookup VAR in the outer context when
2707 building copy assignments.
2708 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2709 If CTX is nested, lookup VAR in the outer context when
2710 building copy assignments.
2711 (expand_parallel_call): Rename from build_parallel_call.
2712 Handle combined parallel+workshare cases.
2713 Re-implement to emit code into the CFG.
2714 (list2chain): New.
2715 (expand_omp_parallel): Re-implement to emit code into the CFG.
2716 Call move_sese_region_to_fn to outline the sub-graph
2717 containing the parallel region.
2718 (expand_omp_for_1): Remove.
2719 (expand_omp_for_generic): Re-implement to emit code into the
2720 CFG.
2721 (expand_omp_for_static_nochunk): Likewise.
2722 (expand_omp_for_static_chunk): Likewise.
2723 (expand_omp_for): Likewise.
2724 (expand_omp_sections): Likewise.
2725 (remove_exit_barriers): New.
2726 (expand_omp_synch): New.
2727 (expand_omp): New.
2728 (build_omp_regions_1): New.
2729 (build_omp_regions): New.
2730 (execute_expand_omp): New.
2731 (gate_expand_omp): New.
2732 (pass_expand_omp): Define.
2733 (lower_omp_sections): Rename from expand_omp_sections.
2734 Set OMP_SECTIONS_SECTIONS.
2735 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2736 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2737 (lower_omp_single): Rename from expand_omp_simple.
2738 (lower_omp_master): Rename from expand_omp_master.
2739 (lower_omp_ordered): Rename from expand_omp_ordered.
2740 (lower_omp_critical): Rename from expand_omp_critical.
2741 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2742 (lower_omp_for): Re-implement.
2743 (lower_omp_parallel): Re-implement.
2744 (lower_regimplify): Rename from expand_regimplify.
2745 (lower_omp_1): Rename from expand_omp_1.
2746 If there are syntax errors in the program, replace every
2747 OpenMP directive with NOP.
2748 Call lower_omp_* instead of expand_omp_*.
2749 (lower_omp): Rename from expand_omp.
2751 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2752 * tree-gimple.h (enum omp_parallel_type): Remove.
2753 (gimple_boolify): Declare extern.
2754 (find_omp_clause, determine_parallel_type): Remove.
2756 * gimple-low.c (lower_omp_directive): New.
2757 (lower_stmt): Call it.
2758 (record_vars_into): Move from ...
2759 (record_vars): ... here.
2760 Call record_vars_into with current_function_decl.
2762 * gimplify.c (struct gimplify_ctx): Remove fields
2763 combined_pre_p and combined_ctxp. Update users.
2764 (get_formal_tmp_var): Add documentation.
2765 (gimple_boolify): Make extern.
2766 (gimplify_expr_in_ctx): Remove. Update callers.
2767 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2768 will always be a BIND_EXPR.
2769 (gimplify_expr): Handle OMP_RETURN_EXPR.
2770 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2771 (OMP_PARALLEL): Add 3 operands.
2772 (OMP_SECTIONS): Add 1 operand.
2773 (OMP_RETURN_EXPR): Define.
2775 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2776 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2777 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2778 creating a circular free list.
2779 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2781 * tree-flow.h (move_sese_region_to_fn): Declare.
2782 (record_vars_into): Declare.
2783 * tree-cfg.c (make_omp_sections_edges): New.
2784 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2785 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2786 OMP_SECTIONS and OMP_SECTION.
2787 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2788 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2789 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2790 (gather_blocks_in_sese_region): New.
2791 (struct move_stmt_d): Declare.
2792 (move_stmt_r): New.
2793 (move_block_to_fn): New.
2794 (move_sese_region_to_fn): New.
2796 * passes.c (init_optimization_passes): Schedule
2797 pass_expand_omp after pass_init_datastructures.
2799 * tree-ssa-operands.c (get_expr_operands): Handle
2800 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2801 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2803 2006-01-19 Jeff Law <law@redhat.com>
2805 * tree-vrp.c (extract_range_from_assert): Refine the result range
2806 if the variable referenced by the ASSERT_EXPR has a range and
2807 either the tentative result range or the previous range is a
2808 VR_ANTI_RANGE.
2810 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2812 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2814 2006-01-19 Jan Hubicka <jh@suse.cz>
2816 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2818 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2820 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2821 (expand_compound_operation, expand_field_assignment): Fail if the
2822 bit lengths of an extract operation are out of range.
2823 (make_extraction): Compute wanted_inner_mode based on the position
2824 and length of the extraction. Make it extraction_mode for non-constant
2825 positions, and do not modify offset in that case. When generating a
2826 new MEM, use a mode that can hold the extraction while keeping correct
2827 alignment. Remove code that supported MEMs wrapped by USEs.
2828 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2830 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2832 * config/s390/s390.md ("Y", "y"): New mode attribute.
2833 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2834 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2835 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2836 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2837 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2838 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2839 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2840 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2841 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2842 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2843 "addsi3", "subsi3"): Insn patterns removed.
2844 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2845 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2846 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2847 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2848 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2849 "*sub<mode>3_cconly2"): New insn patterns.
2850 ("addsi3", "subsi3"): New expanders.
2852 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2854 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2855 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2856 existing STMT_VINFO_VECTYPE if available.
2857 (vect_mark_relevant): Add special handling for stmts that are
2858 marked as STMT_VINFO_IN_PATTERN_P.
2859 (vect_analyze_loop): Call vect_pattern_recog.
2860 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2861 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2862 stmt_info.
2863 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2864 (vect_recog_func_ptr): New function-pointer type.
2865 * tree-vect-patterns.c: New file.
2866 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2867 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2868 (vect_pattern_recog_1): New functions.
2869 (vect_pattern_recog_funcs): New array of function pointers.
2871 * tree-vectorizer.h (ternary_op): New enum value.
2872 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2873 declaration. Revised documentation. Removed redundant dump prints.
2874 Removed redundant argument. Added support for reduction patterns.
2875 (vectorizable_reduction): Added support for reduction patterns.
2876 (vect_transform_stmt): Added support for patterns.
2878 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2879 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2880 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2881 (expand_widen_pattern_expr): New function.
2882 (init_optabs): Initialize new optabs udot_prod_optab,
2883 sdot_prod_optab.
2884 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2885 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2886 (expand_widen_pattern_expr): New function declaration.
2887 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2888 tree-codes.
2889 * tree-inline.c (estimate_num_insns_1): Added cases for new
2890 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2891 * tree-pretty-print.c (dump_generic_node): Likewise.
2892 (op_prio): Likewise.
2893 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2894 * tree-ssa-operands.c (get_expr_operands): Added case for
2895 DOT_PROD_EXPR.
2896 * tree-vect-patterns.c (widened_name_p): New function.
2897 (vect_recog_dot_prod_pattern): Added function implementation.
2898 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2899 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2900 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2901 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2903 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2904 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2905 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2906 (init_optabs): Initialize new optabs widen_ssum_optab,
2907 widen_usum_optab.
2908 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2909 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2910 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2911 use instead of type of def.
2912 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2913 function implementation.
2914 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2915 widen_ssumv8hi): New.
2917 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2918 patterns.
2920 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2922 PR c/25805
2923 * c-decl.c (add_flexible_array_elts_to_size): New function.
2924 (finish_decl): Use it.
2926 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2928 * diagnostic.h: Include options.h.
2929 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2930 dependancies for diagnostic.h.
2931 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2933 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2935 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2936 (ssa_ro_call_cache_valid): Ditto.
2937 * tree-ssa-alias.c (sort_tags_by_id): New function.
2938 (init_transitive_clobber_worklist): Ditto.
2939 (add_to_worklist): Ditto.
2940 (mark_aliases_call_clobbered): Ditto.
2941 (compute_tag_properties): Ditto.
2942 (set_initial_properties): Ditto.
2943 (compute_call_clobbered): Ditto.
2944 (compute_may_aliases): Call compute_call_clobbered and grouping.
2945 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2946 (compute_flow_insensitive_aliasing): Grouping now happens in our
2947 caller.
2948 (setup_pointers_and_addressables): Remove clobbering related code.
2949 (add_may_alias): Ditto.
2950 (replace_may_alias): Ditto.
2951 (get_nmt_for): Ditto.
2952 (create_global_var):
2953 (is_escape_site): Return an escape_type enumeration.
2954 * tree-flow-inline.h (is_call_clobbered): Global var does not
2955 imply call clobbered.
2956 (mark_call_clobbered): Take a reason for marking this. Remove
2957 marking of globalness, and cache invalidation.
2958 (clear_call_clobbered): Remove cache invalidation code.
2959 * tree-dfa.c (dump_variable): If details is on, dump the reason
2960 for escaping.
2961 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2962 variable.
2963 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2964 (struct var_ann_d): Ditto.
2965 (enum escape_type): New.
2966 (mark_call_clobbered): Adjust prototype.
2967 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2968 are never call clobbered.
2969 Record reasons for escaping.
2970 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2971 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2972 (ssa_ro_call_cache_valid): Ditto.
2973 (clobbered_v_may_defs): Ditto.
2974 (clobbered_vuses): Ditto.
2975 (ro_call_vuses): Ditto.
2976 (clobber_stats): New.
2977 (init_ssa_operands): Zero out clobber stats.
2978 (fini_ssa_operands): Print out clobber stats.
2979 (get_call_expr_operands): Pass callee fndecl to
2980 add_call_read_ops).
2981 (add_call_clobber_ops): Remove use of cache.
2982 Add use of PURE_CONST information.
2983 (add_call_read_ops): Remove use of cache.
2984 Add use of static not_read information.
2986 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2988 Introduce TLS descriptors for i386 and x86_64.
2989 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2990 (TARGET_ANY_GNU_TLS): New macro.
2991 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2992 (struct machine_function): Add tls_descriptor_call_expanded_p.
2993 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2994 (ix86_current_function_calls_tls_descriptor): Likewise.
2995 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2996 (override_options): Introduce gnu2 tls dialect.
2997 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2998 not leaves.
2999 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3000 Likewise.
3001 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3002 (ix86_init_machine_status): Initialize new field.
3003 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3004 (ix86_tls_module_base): New.
3005 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3006 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3007 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3008 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3009 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3010 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3011 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3012 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3013 * config/i386/predicates.md (tls_modbase_operand): New.
3014 (tp_or_register_operand): New.
3016 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3018 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3019 (look_for_address_of): Ditto.
3020 (ipa_init): Walk the function decls.
3021 (static_execute): Don't set readonly on FUNCTION_DECL's.
3023 2006-01-18 Roger Sayle <roger@eyesopen.com>
3025 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3026 for shifts where the source and destination registers are different.
3028 2006-01-18 Paul Brook <paul@codesourcery.com>
3030 Merge from csl-arm-branch.
3031 2005-03-14 Julian Brown <julian@codesourcery.com>
3032 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3033 (aeabi_llsl): Likewise.
3034 (ashrdi3): Likewise.
3035 (aeabi_lasr): Likewise.
3036 (lshrdi3): Likewise.
3037 (aeabi_llsr): Likewise.
3038 2005-03-10 Julian Brown <julian@codesourcery.com>
3039 * config.gcc: Disable shared libgcc for SymbianOS.
3040 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3042 2006-01-18 DJ Delorie <dj@redhat.com>
3044 * c-pragma.c (handle_pragma_diagnostic): New.
3045 (init_pragma): Register it.
3046 * doc/extend.texi: Document it.
3048 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3049 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3050 (diagnostic_context): Add classify_diagnostic[].
3051 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3052 as errors if they're overridden to DK_WARNING.
3053 (diagnostic_initialize): Initialize classify_diagnostic[].
3054 (diagnostic_set_kind_override): New.
3055 (diagnostic_report_diagnostic): Check for kind changes.
3056 * opts.c (common_handle_option): Take lang_mask. Update callers.
3057 Handle OPT_Werror_.
3058 * common.opt (Werror=): New.
3059 * doc/invoke.texi: Document -Werror=*
3061 2006-01-18 Jeff Law <law@redhat.com>
3063 * tree-vrp.c (test_for_singularity): Correct test for new
3064 min limit. Use operand_equal_p rather than pointer equality
3065 for testing if new min/max values are equal.
3067 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3068 using range information until after propagation and folding.
3070 2006-01-18 Richard Henderson <rth@redhat.com>
3071 Aldy Hernandez <aldyh@redhat.com>
3072 Jakub Jelinek <jakub@redhat.com>
3073 Diego Novillo <dnovillo@redhat.com>
3075 * omp-low.c: New file.
3076 * c-omp.c: New file.
3078 2006-01-18 Richard Henderson <rth@redhat.com>
3079 Jakub Jelinek <jakub@redhat.com>
3080 Diego Novillo <dnovillo@redhat.com>
3082 * doc/invoke.texi: Document -fopenmp.
3083 * tree-dump.h (debug_function): Declare.
3084 * hooks.c (hook_bool_tree_bool_false): New function.
3085 (hook_tree_tree_null): Remove.
3086 (hook_tree_tree_tree_null): New.
3087 * hooks.h: Update to match.
3088 * tree-pretty-print.c (debug_tree_chain): New.
3089 (print_generic_expr): Handle TDF_CHAIN.
3090 (dump_generic_node): Handle BLOCK.
3091 Do not abort with incomplete SWITCH_EXPRs.
3092 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3093 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3094 print space after directive name.
3095 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3096 Handle OMP_MASTER and OMP_ORDERED.
3097 Handle printing of OMP_BODY just in one place, goto
3098 dump_omp_body in the rest of OMP_* nodes that have
3099 OMP_BODY.
3100 Don't handle clause nodes here. Update omp statements to
3101 use dump_omp_clauses.
3102 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3103 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3104 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3105 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3106 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3107 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3108 Adjust output for GOMP_PARALLEL.
3109 (dump_omp_clauses): New.
3110 (print_declaration): Dump DECL_VALUE_EXPR.
3111 (op_symbol_1): Split out of op_symbol.
3112 (dumping_stmts): Remove. Update all users.
3113 * cgraph.c (cgraph_analyze_queue): New.
3114 (cgraph_add_new_function): New.
3115 * cgraph.h (cgraph_analyze_queue): Declare.
3116 (cgraph_add_new_function): Declare.
3117 (cgraph_lower_function): Remove.
3118 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3119 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3120 and TYPE_P nodes in its default clause.
3121 (empty_body_p): New.
3122 (tree_range_check_failed): New.
3123 (build5_stat): New.
3124 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3125 OMP_CLAUSE_REDUCTION_MERGE,
3126 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3127 OMP_CLAUSE_PRIVATE_DEBUG,
3128 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3129 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3130 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3131 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3132 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3133 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3134 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3135 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3136 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3137 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3138 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3139 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3140 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3141 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3142 (TREE_RANGE_CHECK): New.
3143 (empty_body_p): Declare.
3144 (enum omp_clause_default_kind): New.
3145 (build_string_literal): Declare.
3146 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3147 (build5_stat, build5): Declare.
3148 * tree-pass.h (TDF_CHAIN): Define.
3149 * tree-pass.h (PROP_gimple_lomp): Define.
3150 (pass_lower_omp): Declare.
3151 * diagnostic.h (debug_tree_chain): Declare.
3152 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3153 mode_for_size.
3154 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3155 * builtins.c (build_string_literal): Make extern.
3156 * gcc.c (include_spec_function): New.
3157 (static_spec_functions): Add it.
3158 (main): Move load of libgomp.spec ...
3159 (LINK_COMMAND_SPEC): ... here.
3160 (link_gomp_spec): New.
3161 (static_specs): Include it.
3162 (LINK_COMMAND_SPEC): Add link_gomp.
3163 (GOMP_SELF_SPECS): New.
3164 (driver_self_specs): Include it.
3165 (switch_matches): Don't mark inline.
3166 (main): Load libgomp.spec.
3167 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3168 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3169 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3170 * tree-gimple.h (enum omp_parallel): Declare.
3171 (determine_parallel_type): Declare.
3172 (omp_firstprivatize_variable): Declare.
3173 (omp_reduction_init): Declare.
3174 (diagnose_omp_structured_block_errors): Declare.
3175 (struct walk_stmt_info): Add want_return_expr.
3176 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3177 (find_omp_clause): Declare.
3178 (insert_field_into_struct): Declare.
3179 (struct walk_stmt_info): Move from tree-nested.c
3180 (walk_stmts): Declare.
3181 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3182 to 200505.
3183 * cgraphunit.c (cgraph_lower_function): Make static.
3184 (cgraph_finalize_pending_functions): New.
3185 (cgraph_finalize_function): Call it.
3186 (cgraph_finalize_compilation_unit): Likewise.
3187 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3188 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3189 (BT_FN_UINT_UINT): New.
3190 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3191 DEF_FUNCTION_TYPE_VAR_4): Document.
3192 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3193 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3194 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3195 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3196 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3197 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3198 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3199 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3200 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3201 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3202 into separate files.
3203 (DEF_GOMP_BUILTIN): New.
3204 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3205 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3206 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3207 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3208 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3209 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3210 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3211 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3212 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3213 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3214 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3215 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3216 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3217 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3218 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3219 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3220 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3221 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3222 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3223 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3224 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3225 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3226 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3227 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3228 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3229 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3230 * sync-builtins.def: New file, moved from builtins.def.
3231 * omp-builtins.def: New file, moved from builtins.def.
3232 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3233 * gimple-low.c (lower_function_body): Clear data.
3234 (lower_stmt): Do not handle COMPOUND_EXPR.
3235 Remove call to print_node_brief.
3236 * c-tree.h (c_finish_omp_clauses): New prototype.
3237 (C_DECL_THREADPRIVATE_P): Define.
3238 (lookup_name_no_remap, c_omp_remap_private): Remove
3239 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3240 (check_for_loop_decls): Update decl.
3241 (lookup_name_no_remap, c_omp_remap_private): Declare.
3242 (build_indirect_ref, build_modify_expr, pushdecl,
3243 pushdecl_top_level): Move to c-common.h.
3244 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3245 before the switch, but just in the 2 places that need it.
3246 * c-decl.c (diagnose_mismatched_decls): Do not check for
3247 mismatched thread-local attributes when OLDDECL is marked
3248 threadprivate and NEWDECL has no thread-local attributes.
3249 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3250 (c_gimple_diagnostics_recursively): Rename from
3251 c_warn_unused_result_recursively. Invoke
3252 diagnose_omp_structured_block_errors.
3253 (check_for_loop_decls): Return a singular decl found.
3254 * langhooks.c (lhd_omp_predetermined_sharing): Return
3255 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3256 (lhd_omp_firstprivatize_type_sizes): New.
3257 (lhd_omp_assignment): New.
3258 (lhd_omp_predetermined_sharing): New.
3259 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3260 (struct lang_hooks_for_types): Add
3261 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3262 omp_predetermined_sharing, omp_disregard_value_expr,
3263 omp_private_debug_clause, omp_clause_default_ctor,
3264 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3265 (c_finish_omp_clauses): New.
3266 (c_finish_bc_stmt): Diagnose break within omp for.
3267 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3268 (build_unary_op): Return error_mark after reporting
3269 a readonly_error.
3270 (build_modify_expr): Likewise.
3271 * gimplify.c: Include optabs.h and pointer-set.h.
3272 (enum gimplify_omp_var_data): Declare.
3273 (struct gimplify_omp_ctx): Declare.
3274 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3275 and combined_ctxp.
3276 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3277 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3278 (splay_tree_compare_decl_uid): New.
3279 (new_omp_context): New.
3280 (delete_omp_context): New.
3281 (gimple_add_tmp_var): Call omp_add_variable.
3282 (gimplify_bind_expr): Likewise.
3283 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3284 true, disregard DECL_VALUE_EXPR on the decl if any.
3285 (gimplify_expr_in_ctx): New.
3286 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3287 omp_add_variable, omp_notice_variable, omp_is_private
3288 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3289 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3290 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3291 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3292 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3293 gimplify_omp_atomic): New.
3294 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3295 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3296 OMP_CRITICAL and OMP_ATOMIC.
3297 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3298 * c-pragma.h (enum pragma_kind): Add
3299 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3300 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3301 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3302 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3303 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3304 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3305 PRAGMA_OMP_THREADPRIVATE.
3306 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3307 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3308 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3309 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3310 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3311 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3312 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3313 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3314 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3315 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3316 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3317 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3318 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3319 OpenMP directives.
3320 (struct nesting_info): Add field_map,
3321 suppress_expansion, debug_var_chain.
3322 (create_nesting_tree): Initialize them.
3323 (lookup_field_for_decl): Use field_map.
3324 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3325 (convert_local_omp_clauses): New.
3326 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3327 (walk_body): Split out of walk_function.
3328 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3329 (convert_nonlocal_reference): Handle omp statements.
3330 (convert_local_reference): Likewise.
3331 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3332 (unnest_nesting_tree): New.
3333 (lower_nested_functions): Call it.
3334 (insert_field_into_struct): Make extern.
3335 (struct walk_stmt_info): Move to tree-gimple.h.
3336 (walk_stmts): Make extern.
3337 * omp-builtins.def: New file.
3338 * tree-iterator.c (expr_only): Clarify comment.
3339 * c-common.h (pushdecl_top_level, pushdecl,
3340 build_modify_expr, build_indirect_ref,
3341 c_finish_omp_master, c_finish_omp_critical,
3342 c_finish_omp_ordered, c_finish_omp_barrier,
3343 c_finish_omp_atomic, c_finish_omp_flush,
3344 c_finish_omp_for, c_split_parallel_clauses,
3345 omp_clause_default_kind, c_omp_sharing_predetermined,
3346 c_omp_remap_decl): Declare.
3347 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3348 (OBJS-common): Add omp-low.o.
3349 (c-omp.o, omp-low.o): Add.
3350 (gimplify.o): Add dependency on $(OPTABS_H).
3351 (GTFILES): Add omp-low.c.
3352 (gt-stringpool.h): Add.
3353 * tree-cfg.c (set_bb_for_stmt): Do not update the
3354 block-to-labels map if we are currently expanding to RTL.
3355 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3356 checks.
3357 Handle IDENTIFIER_NODE.
3358 (tree_verify_flow_info): Do not ICE when emitting error
3359 messages about invalid labels.
3360 (dump_function_to_file): Reset CFUN before emitting the body
3361 of the function.
3362 (debug_function): New.
3363 * passes.c (init_optimization_passes): Schedule
3364 pass_lower_omp.
3365 * langhooks-def.h (lhd_omp_predetermined_sharing,
3366 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3367 Declare.
3368 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3369 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3370 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3371 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3372 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3373 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3374 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3375 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3376 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3377 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3378 (LANG_HOOK_DECLS): Use them.
3380 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3381 Richard Henderson <rth@redhat.com>
3382 Jakub Jelinek <jakub@redhat.com>
3383 Diego Novillo <dnovillo@redhat.com>
3385 * c-parser.c (pragma_omp_clause): Define.
3386 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3387 (c_parser_compound_statement): Likewise.
3388 (c_parser_statement): Likewise.
3389 (c_parser_pragma): Handle omp pragmas.
3390 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3391 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3392 (c_parser_omp_clause_name, check_no_duplicate_clause,
3393 c_parser_omp_variable_list,
3394 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3395 c_parser_omp_clause_copyprivate,
3396 c_parser_omp_clause_default,
3397 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3398 c_parser_omp_clause_lastprivate,
3399 c_parser_omp_clause_nowait,
3400 c_parser_omp_clause_num_threads,
3401 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3402 c_parser_omp_clause_reduction,
3403 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3404 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3405 c_parser_omp_atomic, c_parser_omp_barrier,
3406 c_parser_omp_critical, c_parser_omp_flush,
3407 c_parser_omp_for_loop, c_parser_omp_for,
3408 c_parser_omp_master, c_parser_omp_ordered,
3409 c_parser_omp_sections_scope, c_parser_omp_sections,
3410 c_parser_omp_parallel, c_parser_omp_single,
3411 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3412 * c-pragma.c (init_pragma): Do omp pragma registration here.
3413 * c.opt (fopenmp): New flag.
3415 2006-01-18 Eric Christopher <echristo@apple.com>
3417 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3418 * config/darwin.h (GOMP_SELF_SPECS): Define.
3420 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3422 * rtl.h: Remove the prototype for reg_alloc.
3424 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3426 PR target/25731
3427 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3428 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3429 sjlj and dwarf2 exception handling.
3430 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3431 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3432 * pa/pa.c (function_value): Treat complex and vector types as
3433 aggregates.
3434 (function_arg): Likewise. Only pass scalar floats in the floating
3435 point argument registers.
3436 * pa/t-slibgcc-dwarf-ver: New file.
3437 * pa/t-slibgcc-sjlj-ver: New file.
3438 * pa/t-slibgcc-elf-ver: Delete file.
3440 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3442 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3443 unlikely_test_section_p test.
3445 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3447 * mode-switching.c (optimize_mode_switching): Make it static.
3448 * basic-block.h: Remove the prototype for
3449 optimize_mode_switching.
3451 * modulo-sched.c (sms_schedule): Make it static.
3452 * rtl.h: Remove the prototype for sms_schedule.
3454 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3455 * rtl.h: Remove the prototype for gcse_after_reload_main.
3457 * reg-stack.c (reg_to_stack): Make it static.
3458 * rtl.h: Remove the prototype for reg_to_stack.
3460 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3461 Make them static.
3462 * rtl.h: Remove the prototypes for regrename_optimize and
3463 copyprop_hardreg_forward.
3465 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3467 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3468 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3469 Test against the appropriate null constant for the mode.
3470 If 'fixup_overlap' is true, swap the operands if they overlap.
3471 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3472 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3473 alpha_split_tmode_pair and adjust for above change.
3474 * config/alpha/alpha.md (movtf_internal): Adjust call to
3475 alpha_split_tfmode_pair and rely on it to swap the operands.
3476 (movti_internal): New insn and post-reload splitter.
3477 (movti): New expander.
3479 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3481 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3482 operands.
3484 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3486 * rtlanal.c (global_reg_mentioned_p_1,
3487 global_reg_mentioned_p): Remove.
3488 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3490 * flow.c (initialize_uninitialized_subregs): Make it static.
3491 * rtl.h: Remove the prototype for
3492 initialize_uninitialized_subregs.
3494 * function.c (instantiate_virtual_regs): Make it static.
3495 * function.h: Remove the prototype for
3496 instantiate_virtual_regs.
3498 * regmove.c (regmove_optimize, combine_stack_adjustments):
3499 Make them static.
3500 * rtl.h: Remove the prototypes for regmove_optimize and
3501 combine_stack_adjustments.
3503 2006-01-17 Roger Sayle <roger@eyesopen.com>
3505 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3506 (size_cost): Encode costs in bytes so that a reg-reg addition is
3507 equivalent to COSTS_N_INSNS(1).
3508 (override_options): Use the size_cost.branch_cost as the default
3509 ix86_branch_cost when optimizing for size.
3511 2006-01-18 Ben Elliston <bje@au.ibm.com>
3513 * Makefile.in (D32PBIT_FUNCS): New.
3514 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3515 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3516 D64PBIT_FUNCS and D128PBIT_FUNCS.
3517 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3518 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3519 D128PBIT are set.
3520 (decnumber_dep): Define.
3521 * doc/libgcc.texi (Decimal float library routines): New node.
3522 * config/dfp-bit.h, config/dfp-bit.c: New files.
3524 2006-01-18 Ben Elliston <bje@au.ibm.com>
3526 * expr.c (emit_move_change_mode): Always adjust addresses, not
3527 just during reload. Copy replacements only during reload.
3528 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3529 emit_move_via_integer.
3531 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3533 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3534 instead of $(srcdir) and ${srcdir}.
3536 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3538 PR target/592
3539 PR middle-end/11135
3540 * arm.h (struct machine_function): Add pic_reg.
3541 * arm.c (arm_pic_register): Make unsigned.
3542 (arm_override_options): Only set arm_pic_register if
3543 TARGET_SINGLE_PIC_BASE.
3544 (use_return_insn): Only test for a pic register if it is fixed.
3545 (arm_compute_save_reg0_reg12_mask): Likewise.
3546 (thumb_compute_save_reg_mask): Likewise.
3547 (legitimate_pic_operand): Factor out some known invariants.
3548 (legitimize_pic_address): If we don't have a fixed pic register,
3549 then set up a pseudo in the function entry sequence. Handle the
3550 pic base being in a pseudo.
3551 (arm_load_pic_register): Handle the pic register being in a pseudo.
3552 (arm_expand_prologue): Only set up the pic register if it is fixed.
3553 (thumb_expand_prologue): Likewise.
3554 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3555 (pic_load_addr_based_insn): Likewise.
3556 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3557 fixed.
3559 2006-01-18 Ben Elliston <bje@au.ibm.com>
3561 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3562 decimal float modes for all floating point registers.
3564 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3565 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3567 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3569 PR c/25682
3570 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3571 even when the pointer is not NULL.
3573 2006-01-16 Ian Lance Taylor <ian@airs.com>
3575 * common.opt (ftoplevel-reorder): New option.
3576 * cgraph.c (cgraph_asm_nodes): New global variable.
3577 (cgraph_asm_last_node): New static variable.
3578 (cgraph_order): New global variable.
3579 (cgraph_create_node): Set new order field.
3580 (cgraph_varpool_node): Likewise.
3581 (decide_is_variable_needed): Return true if not
3582 flag_toplevel_reorder.
3583 (cgraph_add_asm_node): New function.
3584 * cgraph.h (struct cgraph_node): Add order field.
3585 (struct cgraph_varpool_node): Add order field.
3586 (struct cgraph_asm_node): Define.
3587 (cgraph_asm_nodes, cgraph_order): Declare.
3588 (cgraph_add_asm_node): Declare.
3589 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3590 function.
3591 (cgraph_varpool_assemble_pending_decls): Call it.
3592 (cgraph_output_pending_asms): New static function.
3593 (cgraph_finalize_compilation_unit): Call it.
3594 (struct cgraph_order_sort): Define.
3595 (cgraph_output_in_order): New static function.
3596 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3597 !flag_toplevel_reorder case.
3598 * c-parser.c: Include "cgraph.h".
3599 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3600 assemble_asm.
3601 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3602 than -fno-unit-at-a-time.
3603 * doc/invoke.texi (Option Summary): Mention
3604 -fno-toplevel-reorder.
3605 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3606 -funit-at-a-time documentation.
3608 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3609 Kazu Hirata <kazu@codesourcery.com>
3611 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3613 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3615 * Makefile.in (FUNCTION_H): New. Use it instead of
3616 function.h throughout the file.
3617 * function.h: Include tree.h.
3619 2006-01-17 Ben Elliston <bje@au.ibm.com>
3621 * recog.c: Separate some functions with whitespace.
3623 2006-01-16 Richard Henderson <rth@redhat.com>
3625 Merge from gomp branch:
3626 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3627 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3628 and rename from struct inline_data. Rename callee* to dst*;
3629 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3630 transform_new_cfg, transform_return_to_modify, and
3631 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3632 update_clones_p.
3633 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3634 (copy_decl_for_dup): Remove.
3635 * tree-inline.c (struct inline_data): Move to header.
3636 (insert_decl_map): Export.
3637 (remap_decl): Update for member name changes. Use copy_decl hook.
3638 Allow for replacement to be a non-decl. Remove dead code.
3639 (remap_type_1): Check for existing mapping.
3640 (remap_type): Export.
3641 (remap_decls): Update for member name changes.
3642 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3643 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3644 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3645 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3646 (tree_function_versioning, build_duplicate_type): Likewise.
3647 (copy_body_r): Likewise. Export.
3648 (copy_decl_for_dup): Split into ...
3649 (copy_decl_for_dup_finish, copy_decl_to_var,
3650 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3651 (replace_ref_tree, inlining_p): Remove.
3653 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3655 * ifcvt.c (if_convert): Make it static.
3656 * rtl.h: Remove the prototype for if_convert.
3658 * local-alloc.c (local_alloc): Make it static.
3659 * rtl.h: Remove the prototype for local_alloc.
3661 * loop.c (loop_optimize): Make it static.
3662 * cfgloop.h: Remove the prototype for loop_optimize.
3663 * rtl.h: Likewise.
3665 2006-01-16 DJ Delorie <dj@redhat.com>
3667 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3668 mems.
3670 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3672 * pa.md: Disparage copies between general and floating-point registers
3673 in 32-bit move patterns.
3675 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3677 PR testsuite/25741
3678 * Makefile.in (check-%): Depend on site.exp instead of
3679 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3680 directories.
3682 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3684 * global.c (global_alloc): Make it static.
3685 * rtl.h: Remove the prototype for global_alloc.
3687 2006-01-16 Richard Guenther <rguenther@suse.de>
3689 * tree-ssa-alias.c (struct used_part): Add write_only field.
3690 (get_or_create_used_part_for): Initialize it to true.
3691 (create_overlap_variables_for): Don't create structure variables
3692 for structures that only are written to.
3693 (find_used_portions): Handle MODIFY_EXPR to track whether a
3694 structure is only written to.
3696 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3698 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3699 static.
3700 * basic-block.h: Remove the prototype for
3701 partition_hot_cold_basic_blocks.
3703 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3705 * cppspec.c (lang_specific_spec_functions): Remove.
3706 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3707 * gcc.h (lang_specific_spec_functions): Remove.
3708 * gccspec.c (lang_specific_spec_functions): Remove.
3710 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3712 * combine.c (record_value_for_reg): Invalidate registers
3713 if INSN is null.
3714 (record_dead_and_set_regs_1): Likewise, by passing them to
3715 record_value_for_reg.
3716 (record_dead_and_set_regs): Invalidate stores made by a
3717 call. We do not combine across a call, but we still
3718 relied on equivalences.
3720 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3722 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3723 vrp_int_const_binop returning non-constant nodes.
3725 2006-01-16 Paul Brook <paul@codesourcery.com>
3727 * config/m68k/m68k.c (output_move_const_into_data_reg):
3728 Output correct mnemonic for mvz and mvs.
3730 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3732 * rtl-factoring.c: Add sequence abstraction algorithm.
3733 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3734 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3735 ABNORMAL edges.
3736 (block_has_preserve_label): New function.
3737 * common.opt: Register new pass.
3738 * Makefile.in: Ditto.
3739 * passes.c: Ditto.
3740 * timevar.def: Ditto.
3741 * tree-pass.h: Ditto.
3742 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3743 * rtl.h (make_jump_insn_raw): Add forward decl.
3744 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3746 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3747 Roger Sayle <roger@eyesopen.com>
3749 * fold-const.c (fold_minmax): New static function.
3750 (fold_binary) <MIN_EXPR>: Call it.
3751 <MAX_EXPR>: Likewise.
3752 * stor-layout.c (place_field): Use DECL_SIZE consistently
3753 in the computation of the new record size.
3755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3757 * cse.c (cse_condition_code_reg): Make it static.
3758 * rtl.h: Remove the prototype for cse_condition_code_reg.
3760 * combine.c (combine_instructions): Make it static.
3761 * rtl.h: Remove the prototype for combine_instructions.
3763 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3765 PR target/25168
3766 * tree.c (get_file_function_name_long): Concatenate the first global
3767 object name with a string derived from the input filename of the object
3768 for type "F".
3770 2006-01-16 Ben Elliston <bje@au.ibm.com>
3772 * config/i386/winnt-stubs.c: Update FSF address.
3773 * config/xtensa/ieee754-df.S: Ditto.
3774 * config/xtensa/ieee754-sf.S: Ditto.
3776 2006-01-14 Ian Lance Taylor <ian@airs.com>
3778 * ifcvt.c (noce_init_if_info): New static function, broken out of
3779 noce_process_if_block.
3780 (noce_process_if_block): Call noce_init_if_info.
3781 (check_cond_move_block): New static function.
3782 (cond_move_process_if_block): New static function.
3783 (process_if_block): Call cond_move_process_if_block.
3785 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3787 * cselib.c (hash_table): Rename to cselib_hash_table.
3788 (cselib_clear_table, discard_useless_values,
3789 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3790 cselib_init, cselib_finish): Adjust uses of hash_table.
3792 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3794 PR tree-optimization/25485
3795 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3796 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3797 is known to be false and true, respectively.
3799 2006-01-14 Richard Guenther <rguenther@suse.de>
3801 PR tree-optimization/22548
3802 PR tree-optimization/22555
3803 PR tree-optimization/22501
3804 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3805 * params.def (salias-max-array-elements): New parameter.
3806 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3807 * doc/invoke.texi (salias-max-array-elements): Document.
3808 * tree-flow-inline.h (var_can_have_subvars): We also handle
3809 arrays now.
3810 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3811 COMPONENT_REF.
3812 * tree-ssa-structalias.c (params.h): Include.
3813 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3814 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3815 (get_constraint_for): For ADDR_EXPR operating on something
3816 containing an ARRAY_REF, add all subvars to the solution.
3817 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3818 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3819 for creating MUST_DEFs.
3820 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3822 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3824 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3825 functions.
3826 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3827 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3828 number_of_iterations_le): New functions.
3829 (number_of_iterations_special): Removed.
3830 (number_of_iterations_exit): Do not use number_of_iterations_special.
3831 * tree.c (unsigned_type_for): Always return integer type.
3833 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3834 Richard Guenther <rguenther@suse.de>
3836 PR rtl-optimization/24257
3837 * gcse.c (find_moveable_store): Only consider a store movable
3838 when the SET_SRC of the insn can be assigned to a register.
3840 2006-01-14 Ian Lance Taylor <ian@airs.com>
3842 * tree.c (tree_not_class_check_failed): New function.
3843 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3844 (tree_not_class_check_failed): Declare.
3846 2006-01-13 Ian Lance Taylor <ian@airs.com>
3848 * reload1.c (do_output_reload): Add assertion rejecting a
3849 CALL_INSN.
3851 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3853 * combine.c (struct reg_stat): Add new fields truncation_label and
3854 truncated_to_mode.
3855 (record_value_for_reg): Reset truncated_to_mode.
3856 (record_truncated_value): New function.
3857 (check_promoted_subreg): Call it. Rename to check_conversions.
3858 (combine_instructions): Rename check_promoted_subreg to
3859 check_conversions.
3860 (reg_truncated_to_mode): New function.
3861 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3862 (gen_lowpart_or_truncate): New function.
3863 (force_to_mode): Use it instead of gen_lowpart.
3865 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3867 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3868 VAR is a tag, not its type tag.
3870 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3872 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3873 alternatives to match style of other entries.
3874 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3876 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3878 PR tree-optimization/25771
3879 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3880 SSA_NAMES.
3882 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3884 PR tree-opt/24365
3885 * tree-inline.c (declare_return_variable): If the return variable
3886 was marked as a non gimple complex, set the return slot variable
3887 to be a non gimple comple variable.
3889 2006-01-13 Richard Guenther <rguenther@suse.de>
3891 * builtins.c (expand_builtin_sincos): New function.
3892 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3893 do not set errno.
3894 (expand_builtin): Expand sincos using expand_builtin_sincos.
3896 2006-01-12 DJ Delorie <dj@redhat.com>
3898 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3899 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3900 so that constant shifts can be split.
3901 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3902 (m32c_valid_pointer_mode): Make static.
3903 (shift_gen_func_for): New.
3904 (m32c_prepare_shift): Use it. Split large const shifts into
3905 multiple shifts.
3906 * config/m32c/predicates.md (shiftcount_operand): Allow more
3907 general operands.
3908 (longshiftcount_operand): New.
3909 * doc/md.texi (Machine Constraints): Document In6.
3911 2006-01-13 Ben Elliston <bje@au.ibm.com>
3913 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3914 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3915 documentation.
3917 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3919 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3920 to try to avoid clobbering pieces of structures when we know
3921 something about the whole structure.
3922 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3924 2006-01-13 Ben Elliston <bje@au.ibm.com>
3926 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3927 return in memory, as this is no limitation is no longer present.
3929 2006-01-12 DJ Delorie <dj@redhat.com>
3931 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3932 mova with fb, and for fb+0 -> An.
3934 * config/m32c/mov.md (peephole2): Fix enabling logic.
3936 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3937 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3938 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3939 FINI_ARRAY_SECTION_ASM_OP): Define.
3941 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3942 variable.
3943 (m32c_legitimize_reload_address): New logic to reload FB to An.
3944 (m32c_output_reg_push): Add newline.
3945 (m32c_output_reg_pop): Likewise.
3947 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3949 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3951 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3953 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3955 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3957 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3958 match_code.
3960 2006-01-11 Ben Elliston <bje@au.ibm.com>
3962 * rtlanal.c (find_reg_note): Assert insn is not null.
3964 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3966 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3967 ifdef.
3969 2006-01-11 Jeff Law <law@redhat.com>
3971 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3972 hold edge pairs.
3973 (mark_threaded_blocks, register_jump_thread): New functions.
3974 (thread_through_all_blocks): Remove unwanted argument. No
3975 longer rely on e->aux to communicate thread target info.
3976 Call mark_threaded_blocks. Release the threaded_blocks
3977 bitmap and threaded_edges vector when complete.
3978 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3979 (threaded_blocks): Remove.
3980 (tree_ssa_dominator_optimize): Remove initialization and
3981 finalization of threaded_blocks. Simplify call to
3982 thread_through_all_blocks.
3983 (thread_across_edge): Call register_jump_thread rather than
3984 storing thread information into e->aux.
3985 (free_all_edge_infos): Simplify now that e->aux is no longer
3986 used to communicate with thread_through_all_blocks.
3987 * tree-flow.h (thread_through_all_blocks): Update prototype.
3988 (register_jump_thread): Prototype.
3990 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3992 * df-core.c (df_compact_blocks, df_bb_replace): Use
3993 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3995 2006-01-11 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/25734
3998 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3999 stop propagation after successful propagation to the LHS.
4001 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4003 * basic-block.h (control_flow_graph): Change the type of
4004 x_basic_block_info to VEC(basic_block,gc) *.
4005 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4006 basic_block_info.
4007 (SET_BASIC_BLOCK): New.
4008 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4009 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4010 * cfgbuild.c (find_basic_blocks): Likewise.
4011 * cfglayout.c (fixup_reorder_chain): Likewise.
4012 * cfgrtl.c (create_basic_block_structure,
4013 rtl_create_basic_block): Likewise.
4014 * ifcvt.c (find_if_case_1): Likewise.
4015 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4016 Likewise.
4018 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4020 * Makefile.in: Removed rotted odf.c entry.
4022 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4024 PR target/25706
4025 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4026 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4027 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4028 output pattern modifier, not %e.
4029 * config/cris/cris.c (cris_op_str): Update comment about pattern
4030 modifier.
4031 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4032 before falling through into...
4033 <case 'E'>: Redefined from old 'e' case.
4035 2006-01-11 Jan Hubicka <jh@suse.cz>
4037 PR target/25042
4038 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4040 2006-01-11 Jan Hubicka <jh@suse.cz>
4042 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4043 * i386.c (x86_decompose_lea): Kill.
4044 (ix86_rtx_costs): Kill.
4046 2006-01-11 Jan Hubicka <jh@suse.cz>
4048 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4049 * cgraph.h (cgraph_node): Add inline_decl.
4050 (cgraph_insert_node_to_hashtable): Declare.
4051 (save_inline_function_body): Declare.
4052 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4053 clones.
4054 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4055 (cgraph_function_versioning): Update call of tree_function_versioning.
4056 (save_inline_function_body): New function.
4057 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4058 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4059 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4060 (cgraph_default_inline_p): Likewise.
4061 (cgraph_decide_inlining_incrementally): Likewise.
4062 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4063 (copy_bb): Kill saving; do updating of clones.
4064 (copy_cfg_body): Kill saving.
4065 (initialize_inlined-parameters): Likewise.
4066 (expand_call_inline): Likewise.
4067 (save_body): Kill.
4068 (tree_function_versioning): New parameter "update_clones".
4069 (inlining_p): Kill saving.
4070 * tree-inline.h (tree_function_versioning): Update prototype.
4071 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4072 saving.
4074 2006-01-11 Ian Lance Taylor <ian@airs.com>
4076 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4077 Allow undoing set of machine mode.
4078 (do_SUBST): Use enums instead of is_int.
4079 (do_SUBST_MODE): New function.
4080 (SUBST_MODE): New macro.
4081 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4082 reg and trying to replace reg_regno_rtx with a new register.
4083 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4084 (simplify_set): Use SUBST_MODE.
4085 (distribute_notes): Remove code that tried to update reg notes
4086 for regno_reg_rtx changes.
4088 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4090 PR tree-optimization/23109
4091 PR tree-optimization/23948
4092 PR tree-optimization/24123
4094 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4095 * tree-cfg.c (single_noncomplex_succ): New.
4096 * tree-flow.h (single_noncomplex_succ): Declare it.
4097 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4098 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4099 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4100 insert_bb, register_division_in, insert_reciprocals,
4101 replace_reciprocal, free_bb): New.
4102 (execute_cse_reciprocals_1): Rewritten.
4103 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4104 Do not commit any edge insertion. Always compute dominators and
4105 create the allocation pool.
4106 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4107 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4108 * targhooks.c (default_min_divistions_for_recip_mul): New.
4109 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4110 * passes.c (init_optimization_passes): Run recip after tree loop
4111 optimizations.
4112 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4114 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4115 Kenneth Zadeck <zadeck@naturalbridge.com>
4117 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4118 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4119 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4120 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4121 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4122 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4123 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4124 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4125 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4126 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4127 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4128 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4129 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4130 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4131 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4132 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4133 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4134 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4135 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4136 DF_SCAN_POST_ALLOC): New macros.
4137 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4138 df_free_bb_function, df_local_compute_function, df_init_function,
4139 df_dataflow_function, df_confluence_function_0,
4140 df_confluence_function_n, df_transfer_function,
4141 df_finalizer_function, df_free_function, df_dump_problem_function,
4142 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4143 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4144 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4145 df_urec_bb_info, ) New types.
4146 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4147 variables.
4148 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4149 df_analyze_simple_change_some_blocks,
4150 df_analyze_simple_change_one_block, df_compact_blocks,
4151 df_bb_replace, df_bb_regno_last_use_find,
4152 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4153 df_insn_regno_def_p, df_find_def, df_find_use,
4154 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4155 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4156 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4157 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4158 debug_df_chain, df_get_dependent_problem, df_chain_create,
4159 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4160 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4161 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4162 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4163 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4164 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4165 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4166 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4167 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4168 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4169 df_reorganize_refs, df_set_state, df_hard_reg_init,
4170 df_read_modify_subreg_p) New public functions.
4171 * df-core.c: The core dataflow solver and glue routines for rtl
4172 dataflow.
4173 (df_init, df_add_problem, df_set_blocks, df_finish,
4174 df_hybrid_search_forward, df_hybrid_search_backward,
4175 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4176 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4177 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4178 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4179 df_reg_defined, df_find_use, df_reg_used, df_dump,
4180 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4181 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4182 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4183 debug_df_useno, reset_df_after_reload): New functions.
4184 * df-scan.c: The scanning fuctions, once in df.c, completely
4185 rewritten so that they now fully model the functionality of
4186 register usage at the backend.
4187 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4188 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4189 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4190 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4191 df_get_artificial_defs, df_get_artificial_uses,
4192 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4193 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4194 df_refs_delete, df_reorganize_refs, df_set_state,
4195 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4196 df_def_record_1, df_defs_record, df_uses_record,
4197 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4198 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4199 df_record_exit_block_uses, df_hard_reg_init): New functions.
4201 * df-problems.c: Seven concrete dataflow problems that use the
4202 scanning in df-scan.c and are solved by the engine in df-core.c.
4203 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4204 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4205 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4206 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4207 df_ru_free_bb_info, df_ru_alloc,
4208 df_ru_bb_local_compute_process_def,
4209 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4210 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4211 df_ru_transfer_function, df_ru_free, df_ru_dump,
4212 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4213 df_rd_free_bb_info, df_rd_alloc,
4214 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4215 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4216 df_rd_transfer_function, df_rd_free, df_rd_dump,
4217 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4218 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4219 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4220 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4221 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4222 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4223 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4224 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4225 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4226 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4227 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4228 df_urec_mark_reg_use_for_earlyclobber,
4229 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4230 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4231 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4232 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4233 df_chain_create_bb_process_use, df_chain_create_bb,
4234 df_chain_finalize, df_chain_free, df_chains_dump,
4235 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4236 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4237 df_reg_lifetime): New functions.
4238 * df.c: Deleted file.
4239 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4240 consistent with new df api.
4241 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4242 rest_of_handle_sms): Ditto.
4243 * web.c (unionfind_union, union_defs, entry_register, web_main):
4244 Ditto.
4245 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4246 invariant_expr_equal_p, find_defs, check_dependencies,
4247 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4248 free_inv_motion_data, move_loop_invariants): Ditto.
4249 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4250 Update dependencies.
4251 (odf.c): Added defective entry that was deleted later in day.
4252 * sched-deps.c (sched_analyze_1): Ditto.
4254 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4256 * tree-ssa-operands.c (get_expr_operands): Record addressable
4257 variables directly. Do not call add_stmt_operands for CONST_DECLs
4258 and ARRAY_DECLs.
4259 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4260 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4262 2006-01-11 Ben Elliston <bje@au.ibm.com>
4264 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4265 function returns true in the positive case.
4267 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4269 PR target/20754
4270 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4271 for SI, DI, SF and DF modes. Add alternatives to copy between
4272 general and floating point registers to the 32-bit patterns.
4273 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4274 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4275 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4276 generating 64-bit code.
4277 * config/pa/pa.c (output_move_double): Handle copies between general
4278 and floating registers.
4280 2006-01-10 Stuart Hastings <stuart@apple.com>
4282 * config/i386/i386.md (set_got): Update.
4283 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4284 (builtin_setjmp_receiver): Mach-O support.
4285 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4286 (GOT_SYMBOL_NAME): Define.
4287 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4288 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4289 * config/i386/i386.c (override_options): Revise for Darwin.
4290 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4291 support. (darwin_x86_file_end): New. (output_set_got): Add label
4292 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4293 * config/i386/i386-protos.h (output_set_got): Likewise.
4294 * config/darwin.c (machopic_legitimize_pic_address): Update
4295 regs_ever_live[].
4297 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4299 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4300 when MODE isn't BLKmode.
4302 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4304 PR rtl-optimization/25367
4305 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4307 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4309 PR target/25718
4310 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4311 for a negative bound.
4313 2006-01-10 Richard Guenther <rguenther@suse.de>
4315 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4316 Never override with anything constraint.
4318 2006-01-10 Jan Beulich <jbeulich@novell.com>
4320 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4321 256 bits when optimize_size.
4323 2006-01-10 Jan Beulich <jbeulich@novell.com>
4325 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4326 MASK_ALIGN_DOUBLE.
4327 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4328 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4329 arguments.
4331 2006-01-10 Ben Elliston <bje@au.ibm.com>
4333 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4334 float modes.
4335 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4336 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4337 (USE_FP_FOR_ARG): Reject decimal float modes.
4338 (function_arg_advance): Likewise.
4339 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4340 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4341 point types in AltiVec vectors.
4342 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4343 (rs6000_libcall_value): Likewise.
4345 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4347 * config/xtensa/ieee754-df.S: New file.
4348 * config/xtensa/ieee754-sf.S: New file.
4349 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4350 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4351 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4353 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4355 * config/sh/predicates.md (binary_float_operator,
4356 binary_logical_operator, commutative_float_operator,
4357 equality_comparison_operator, greater_comparison_operator,
4358 less_comparison_operator, logical_operator,
4359 noncommutative_float_operator, shift_operator,
4360 symbol_ref_operand, unary_float_operator): Remove redundant
4361 conditionals.
4363 2006-01-09 Jeff Law <law@redhat.com>
4365 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4366 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4367 now unused arguments. Callers updated.
4368 (eliminate_redundant_computations): Remove now unused arguments,
4369 callers updated.
4370 (local_fold): Remove, no longer used.
4371 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4372 and moved to...
4373 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4374 (simplify_cond): New function.
4375 (forward_propagate_into_cond): Call simplify_cond.
4377 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4379 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4380 (*vec_extractv2di_1_sse): New.
4382 2006-01-09 Ben Elliston <bje@au.ibm.com>
4384 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4386 2006-01-08 Richard Guenther <rguenther@suse.de>
4388 * tree-ssa-structalias.c (get_constraint_for): Remove
4389 anyoffset argument.
4390 (get_constraint_for_component_ref): Likewise.
4391 (do_deref): Likewise.
4392 (get_constraint_for): Likewise.
4393 (do_structure_copy): Likewise.
4394 (handle_ptr_arith): Likewise.
4395 (find_func_aliases): Likewise. Remove unused need_anyoffset
4396 variable.
4398 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4399 Kaz Kojima <kkojima@gcc.gnu.org>
4401 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4402 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4403 (EXTRA_CONSTRAINT_C16): Remove.
4404 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4405 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4406 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4407 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4408 constants of SHmedia. Handle nested constant expressions of
4409 SHmedia correctly.
4410 (andcosts): Fix the costs for SHmedia constants.
4411 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4412 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4413 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4414 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4415 (movv4hi_i, movv2si_i): Likewise.
4416 (movsi_const): Adjust the second operand of ior so to match with
4417 the Csu constraint.
4418 (movdi_const, movdi_const_32bit): Likewise.
4419 (movdi_const_16bit+1): Don't sign-extend LOW.
4420 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4421 step.
4422 (*double_shori): Fix the split condition. Use GEN_INT instead
4423 of get_int_mode calls. Mask lower 16-bit of the argument of
4424 the last GEN_INT.
4425 (sym2GOTPLT): Remove.
4426 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4427 gen_rtx_UNSPEC.
4428 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4429 instead of EXTRA_CONSTRAINT_C16.
4431 2006-01-07 Ian Lance Taylor <ian@airs.com>
4432 David Edelsohn <edelsohn@gnu.org>
4434 PR rtl-optimization/25662
4435 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4436 for constant operands instead of simplify_gen_binary.
4437 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4438 after trying simplify_binary_operation
4440 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4442 * tree.c (iterative_hash_expr): Hash decls based on UID.
4444 2006-01-06 Eric Christopher <echristo@apple.com>
4446 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4447 (TARGET_UNWIND_EMIT): Fix spelling.
4448 * target.h (gcc_target): Add except_table_label.
4449 * except.c (output_function_exception_table): Use.
4450 * varasm.c (default_emit_except_table_label): New.
4451 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4452 define.
4453 (asm_out): Add here.
4454 * output.h (default_emit_except_table_label): Prototype.
4455 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4456 * config/darwin.c (darwin_emit_except_table_label): Define.
4457 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4459 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4461 PR tree-optimization/18527
4462 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4463 number_of_iterations_special, number_of_iterations_exit):
4464 Move base and step of an iv to a single structure. Add
4465 no_overflow flag, and use it in # of iterations analysis.
4466 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4467 folded_casts argument.
4468 (simple_iv): Pass base and step in a structure. Set no_overflow
4469 flag.
4470 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4471 Evaluate expensiveness of computing # of iterations instead of
4472 the final expression.
4473 * tree-scalar-evolution.h (affine_iv): New structure.
4474 (simple_iv): Declaration changed.
4475 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4476 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4477 find_givs_in_stmt): Changed due to simple_iv change.
4479 2006-01-06 Jeff Law <law@redhat.com>
4481 PR ada/24994
4482 * tree-cfg.c (bsi_replace): Rename final argument from
4483 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4484 change (stmt -> orig_stmt).
4485 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4486 (bsi_remove): Add new argument. Remove EH information
4487 if requested.
4488 (verify_eh_throw_table_statements): New function.
4489 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4490 updated.
4491 * tree-optimize.c (execute_free_cfg_annotations): Verify
4492 the EH throw statement table after removing annotations.
4493 * except.h (verify_eh_throw_table_statements): Prototype.
4494 * tree-flow.h (bsi_remove): Update prototype.
4495 * tree-vrp.c (remove_range_assertions): Add new argument to
4496 bsi_remove call.
4497 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4498 * tree-complex.c (expand_complex_div_wide): Likewise.
4499 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4500 * tree-tailcall.c (eliminate_tailcall): Likewise.
4501 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4502 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4503 * tree-nrv.c (tree_nrv): Likewise.
4504 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4505 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4506 (combine_blocks): Likewise.
4507 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4508 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4509 (cleanup_control_flow): Likewise.
4510 (remove_forwarder_block): Likewise.
4511 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4512 * tree-sra.c (sra_replace): Likewise.
4513 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4514 (forward_propagate_single_use_vars): Likewise.
4515 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4516 * tree-inline.c (expand_call_inline): Likewise.
4517 * tree-vect-transform.c (vect_transform_loop): Likewise.
4518 * tree-outof-ssa.c (rewrite_trees): Likewise.
4519 * tree-cfg.c (make_goto_expr_edges): Likewise.
4520 (cleanup_dead_labels): Likewise.
4521 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4522 (bsi_move_before, bsi_move_after): Likewise.
4523 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4524 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4526 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4528 PR tree-opt/25528
4529 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4530 and IMAGPART_EXPR.
4531 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4532 on non gimple variables. Also add checks at the top for decls and
4533 mtags.
4534 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4535 complex types.
4536 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4537 and IMAGPART_EXPR for creating MUST_DEFs.
4538 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4539 and NAME_MEMORY_TAG separately from the DECLs.
4541 2006-01-06 Richard Guenther <rguenther@suse.de>
4543 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4544 annotation, if necessary.
4545 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4546 redundant calls to update_stmt.
4547 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4548 Likewise.
4550 2006-01-05 Richard Henderson <rth@redhat.com>
4552 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4554 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4556 * c-typeck.c: Update copyright date.
4558 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4560 * c-typeck.c (build_c_cast): Always warn when casting
4561 from a pointer to an integer of different size, even if
4562 the node was constant.
4564 2006-01-05 Richard Guenther <rguenther@suse.de>
4566 PR tree-optimization/22555
4567 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4568 if one structure field is an array.
4569 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4570 operands even if we found a subvar, but ignore VOPs in this
4571 case.
4572 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4573 for renaming.
4574 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4576 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4578 PR middle-end/24998
4579 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4581 2006-01-05 Richard Guenther <rguenther@suse.de>
4582 Diego Novillo <dnovillo@redhat.com>
4584 * tree-pass.h (TODO_remove_unused_locals): Define.
4585 * gimple-low.c (expand_var_p, remove_useless_vars,
4586 pass_remove_useless_vars): Remove. Update all users.
4587 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4588 (remove_unused_locals): New function.
4589 * tree-flow.h (remove_unused_locals): Declare.
4590 * passes.c (execute_todo): Call remove_unused_locals if
4591 TODO_remove_unused_locals is set.
4592 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4593 * tree-ssa-dce.c (pass_dce): Likewise.
4594 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4596 2006-01-05 Richard Guenther <rguenther@suse.de>
4598 * tree-flow.h (struct fieldoff): Decompose field to
4599 type, size and decl.
4600 * tree-ssa-alias.c (create_sft): Take type as parameter.
4601 (create_overlap_variables_for): Store type, size and decl
4602 in the fieldoff structure.
4603 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4604 of struct fieldoff.
4605 (push_fields_onto_fieldstack): Likewise.
4606 (create_variable_info_for): Likewise. Use offset for the
4607 SFT name if the decl is not available.
4609 2006-01-04 Paul Brook <paul@codesourcery.com>
4611 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4613 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4615 * lambda-code.c (can_put_in_inner_loop): Relax
4616 restrictions.
4617 (can_put_after_inner_loop): New function.
4618 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4619 (perfect_nestify): Change to make copies and modify uses.
4621 2006-01-04 Richard Henderson <rth@redhat.com>
4623 Merge from gomp branch:
4624 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4625 via integer constant.
4626 (pragma_lex): Remove.
4627 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4628 rather than parsing it.
4629 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4630 handle_pragma_extern_prefix): Add %< %> quotes.
4631 (registered_pragmas): New.
4632 (c_register_pragma_1): New.
4633 (c_register_pragma): Use it.
4634 (c_register_pragma_with_expansion): Likewise.
4635 (c_invoke_pragma_handler): New.
4636 (init_pragma): Use cpp_register_deferred_pragma directly for
4637 pch_preprocess.
4638 * c-pragma.h (enum pragma_kind): New.
4639 (pragma_handler): New.
4640 (c_invoke_pragma_handler): Declare.
4641 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4642 CPP_PRAGMA_EOL.
4643 * c-common.h (c_common_pch_pragma): Update decl.
4644 * Makefile.in (c-parser.o): Update dependencies.
4645 (GTFILES): Add c-pragma.h.
4646 * c-parser.c (struct c_token): Add pragma_kind.
4647 (struct c_parser): Add in_pragma.
4648 (c_lex_one_token): Always initialize keyword and pragma_kind.
4649 Extract data for CPP_PRAGMA.
4650 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4651 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4652 Don't allow CPP_PRAGMA_EOL if in_pragma.
4653 (c_parser_consume_pragma): New.
4654 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4655 (c_parser_skip_to_end_of_parameter): Likewise.
4656 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4657 (c_parser_skip_to_pragma_eol): New.
4658 (c_parser_external_declaration): Handle CPP_PRAGMA.
4659 (c_parser_compound_statement_nostart): Likewise.
4660 (c_parser_statement_after_labels): Likewise.
4661 (c_parser_pragma): New.
4662 (pragma_lex): Likewise.
4663 (c_parser_pragma_pch_preprocess): New.
4664 (c_parser_new): Merge into ...
4665 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4667 2006-01-04 Jeff Law <law@redhat.com>
4669 PR ada/24994
4670 * tree-cfg.c (bsi_replace): Remove the original statement
4671 from the EH throw statement table.
4673 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4675 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4676 make the prototype extern "C" and add throw ().
4678 PR target/25554
4679 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4680 and pos non-negative and pos + len <= 32.
4681 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4682 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4683 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4685 PR c/25559
4686 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4687 as well as sizes not multiple of component size.
4689 PR debug/25562
4690 * function.c (instantiate_expr): New function.
4691 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4692 walk its DECL_VALUE_EXPR with instantiate_expr.
4694 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4695 DW_OP_deref{,_size} if address isn't going to be added.
4697 2006-01-04 Ben Elliston <bje@au.ibm.com>
4699 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4700 * config/fp-bit.c: Likewise.
4702 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4704 * dominance.c: Add comment about why we use DFS numbering
4705 of dominance tree.
4707 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4708 Richard Henderson <rth@redhat.com>
4710 Merge from gomp-branch:
4711 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4712 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4714 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4716 PR rtl-optimization/25578
4717 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4718 pass a parameter to simplify_shift_const if changing ASHIFTRT
4719 to LSHIFTRT.
4721 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4723 * builtins.c (get_builtin_sync_mem): New function.
4724 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4725 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4726 Call get_builtin_sync_mem to generate mem rtx.
4728 2006-01-03 Richard Guenther <rguenther@suse.de>
4730 PR c/25183
4731 * stmt.c (add_case_node): Make sure to clear overflow flags
4732 from ranges.
4734 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4736 Merge from gomp-branch.
4737 * config/sparc/sync.md: New file.
4738 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4739 UNSPECV_LDSTUB): New constants.
4740 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4741 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4742 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4743 prototype.
4745 2006-01-03 Roger Sayle <roger@eyesopen.com>
4747 * combine.c (reg_subword_p): New predicate to test whether the
4748 destination of a set refers to a subword/piece of a register.
4749 (try_combine): Generalize the code to merge the setting of a
4750 pseudo to a constant followed by a set of a subword of that
4751 register to a constant.
4753 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4755 * basic-block.h (control_flow_graph): Change the type of
4756 x_label_to_block_map to VEC(basic_block,gc) *.
4757 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4758 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4760 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4761 VEC(basic_block,heap) *.
4762 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4763 ssa_prop_fini): Adjust the uses of cfg_blocks.
4765 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4767 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4768 COMPONENT_REFs.
4769 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4770 hashing trees instead of a pointer hash.
4771 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4772 compare for MEM_EXPR.
4774 PR rtl-optimization/25130
4775 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4776 when comparing MEMs for GCSE
4778 2006-01-03 Ben Elliston <bje@au.ibm.com>
4780 * targhooks.h (default_decimal_float_supported_p): Declare.
4781 * targhooks.c (default_decimal_float_supported_p): Define.
4782 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4783 `default_decimal_float_supported_p'.
4784 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4786 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4788 * combine.c (apply_distributive_law <SUBREG>): Check
4789 TRULY_NOOP_TRUNCATION.
4791 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4793 * dwarf2out.c (have_switched_text_section): Delete.
4794 (have_multiple_function_sections): New.
4795 (have_location_lists): Make 'bool'.
4796 (add_AT_loc_list): Use 'true' not '1'.
4797 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4798 (output_loc_list): Use have_multiple_function_sections.
4799 (output_ranges): Likewise.
4800 (dwarf2out_begin_function): Set have_multiple_function_sections if
4801 necessary.
4802 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4803 Check function_section rather than DECL_SECTION_NAME.
4804 (dwarf2out_finish): Use have_multiple_function_sections.
4805 Don't clear have_location_lists.
4807 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4808 Jan Hubicka <jh@suse.cz>
4810 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4811 case of conditional jump jumping to the next instruction.
4812 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4813 cases of conditional jump jumping to the next instruction.
4815 2006-01-02 Jan Hubicka <jh@suse.cz>
4817 * i386.c (*_cost): Add COSTS_N_INSNS.
4818 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4820 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4822 PR target/25259
4823 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4825 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4827 * config/arm/arm.c (all_fpus): Fix comment typo.
4828 * config/darwin.c: Likewise.
4829 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4830 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4831 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4833 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4835 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4836 (rs6000_split_compare_and_swapqhi): New.
4837 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4838 (sync_compare_and_swapqhi_internal): New.
4839 * config/rs6000/rs6000-protos.h: Declare.